Fix <1.12 schematic checking

Signed-off-by: Lixfel <agga-games@gmx.de>

FightSystem_10/src/de/steamwar/fightsystem/utils/CraftbukkitWrapper10.java

@@ -39,7 +39,7 @@ public class CraftbukkitWrapper10 implements CraftbukkitWrapper {
         System.arraycopy(backupChunk.getSections(), 0, chunk.getSections(), 0, chunk.getSections().length);
         System.arraycopy(backupChunk.heightMap, 0, chunk.heightMap, 0, chunk.heightMap.length);
         w.tileEntityListTick.removeAll(chunk.tileEntities.values());
-        if (!FightWorld.isPaper()) {
+        if (!FightWorld.isPAPER()) {
             w.tileEntityList.removeAll(chunk.tileEntities.values());
         }
         chunk.tileEntities.clear();

FightSystem_12/src/de/steamwar/fightsystem/utils/CraftbukkitWrapper12.java

@@ -39,7 +39,7 @@ public class CraftbukkitWrapper12 implements CraftbukkitWrapper {
         System.arraycopy(backupChunk.getSections(), 0, chunk.getSections(), 0, chunk.getSections().length);
         System.arraycopy(backupChunk.heightMap, 0, chunk.heightMap, 0, chunk.heightMap.length);
         w.tileEntityListTick.removeAll(chunk.tileEntities.values());
-        if (!FightWorld.isPaper()) {
+        if (!FightWorld.isPAPER()) {
             w.tileEntityList.removeAll(chunk.tileEntities.values());
         }
         chunk.tileEntities.clear();

FightSystem_14/build.gradle

@@ -46,6 +46,8 @@ dependencies {
     implementation project(":FightSystem_9")
     implementation project(":FightSystem_8")
 
+    compileOnly 'it.unimi.dsi:fastutil:8.5.6'
+
     compileOnly swdep("Spigot-1.14")
     compileOnly swdep("WorldEdit-1.15")
     compileOnly swdep("SpigotCore")

FightSystem_14/src/de/steamwar/fightsystem/utils/BlockIdWrapper14.java

@@ -21,17 +21,31 @@ package de.steamwar.fightsystem.utils;
 
 import com.comphenix.tinyprotocol.Reflection;
 import de.steamwar.core.Core;
+import de.steamwar.fightsystem.Config;
+import it.unimi.dsi.fastutil.ints.Int2ObjectMap;
+import org.bukkit.Material;
 import org.bukkit.World;
 import org.bukkit.block.Block;
+import org.bukkit.entity.Player;
+
+import java.util.Map;
 
 public class BlockIdWrapper14 implements BlockIdWrapper {
 
-    private static final Class<?> worldServer = Reflection.getClass("{nms.server.level}.WorldServer");
     private static final Class<?> chunkProviderServer = Reflection.getClass("{nms.server.level}.ChunkProviderServer");
+    private static final Reflection.MethodInvoker getChunkProvider = Reflection.getTypedMethod(worldServer, null, chunkProviderServer);
+    private static final Class<?> playerChunkMap = Reflection.getClass("{nms.server.level}.PlayerChunkMap");
+    private static final Reflection.FieldAccessor<?> getPlayerChunkMap = Reflection.getField(chunkProviderServer, playerChunkMap,  0);
+    private static final Reflection.FieldAccessor<? extends Map> entityTrackers = Core.getVersion() > 15 ? Reflection.getField(playerChunkMap, Int2ObjectMap.class,  0) : Reflection.getField(playerChunkMap, org.bukkit.craftbukkit.libs.it.unimi.dsi.fastutil.ints.Int2ObjectMap.class, 0);
     private static final Class<?> block = Reflection.getClass("{nms.world.level.block}.Block");
     private static final Class<?> iBlockData = Reflection.getClass("{nms.world.level.block.state}.IBlockData");
     private static final Class<?> blockPosition = Reflection.getClass("{nms.core}.BlockPosition");
 
+    private final Map trackers;
+    public BlockIdWrapper14() {
+        trackers = entityTrackers.get(getPlayerChunkMap.get(getChunkProvider.invoke(getWorldHandle.invoke(Config.world))));
+    }
+
     private static final Reflection.MethodInvoker getCombinedId = Reflection.getTypedMethod(block, null, int.class, iBlockData);
     private static final Reflection.MethodInvoker getNMS = Reflection.getTypedMethod(Reflection.getClass("{obc}.block.CraftBlock"), "getNMS", iBlockData);
     @Override
@@ -40,11 +54,9 @@ public class BlockIdWrapper14 implements BlockIdWrapper {
     }
 
     private static final Reflection.MethodInvoker getByCombinedId = Reflection.getTypedMethod(block, null, iBlockData, int.class);
-    private static final Reflection.MethodInvoker getWorldHandle = Reflection.getTypedMethod(Reflection.getClass("{obc}.CraftWorld"), "getHandle", worldServer);
     private static final Reflection.ConstructorInvoker newBlockPosition = Reflection.getConstructor(blockPosition, int.class, int.class, int.class);
     private static final Reflection.MethodInvoker getTypeAndData = Reflection.getMethod(worldServer, null, blockPosition, iBlockData, int.class);
     private static final Reflection.MethodInvoker removeTileEntity = Reflection.getMethod(worldServer, Core.getVersion() > 15 ? "m" : "removeTileEntity", blockPosition);
-    private static final Reflection.MethodInvoker getChunkProvider = Reflection.getTypedMethod(worldServer, null, chunkProviderServer);
     private static final Reflection.MethodInvoker flagDirty = Reflection.getMethod(chunkProviderServer, null, blockPosition);
     @Override
     public void setBlock(World world, int x, int y, int z, int blockState) {
@@ -56,4 +68,28 @@ public class BlockIdWrapper14 implements BlockIdWrapper {
         getTypeAndData.invoke(nworld, pos, blockData, 1042);
         flagDirty.invoke(getChunkProvider.invoke(nworld), pos);
     }
+
+    private static final Class<?> entityTracker = Reflection.getClass("{nms.server.level}.PlayerChunkMap$EntityTracker");
+    private static final Reflection.MethodInvoker updatePlayer = Reflection.getMethod(entityTracker, Core.getVersion() > 15 ? "b" : "updatePlayer", entityPlayer);
+    @Override
+    public void trackEntity(Player player, int entity) {
+        Object tracker = trackers.get(entity);
+        if(tracker != null)
+            updatePlayer.invoke(tracker, getPlayer.invoke(player));
+    }
+
+    private static final Reflection.MethodInvoker clearPlayer = Reflection.getMethod(entityTracker, Core.getVersion() > 15 ? "a" : "clear", entityPlayer);
+    @Override
+    public void untrackEntity(Player player, int entity) {
+        Object tracker = trackers.get(entity);
+        if(tracker != null)
+            clearPlayer.invoke(tracker, getPlayer.invoke(player));
+    }
+
+    private static final Reflection.MethodInvoker getMaterialByBlock = Reflection.getTypedMethod(Reflection.getClass("{obc}.util.CraftMagicNumbers"), "getMaterial", Material.class, block);
+    private static final Reflection.MethodInvoker getBlockByBlockData = Reflection.getTypedMethod(iBlockData, null, block);
+    @Override
+    public Material idToMaterial(int blockState) {
+        return (Material)getMaterialByBlock.invoke(null, getBlockByBlockData.invoke(getByCombinedId.invoke(null, blockState)));
+    }
 }

FightSystem_14/src/de/steamwar/fightsystem/utils/CraftbukkitWrapper14.java

@@ -38,7 +38,7 @@ public class CraftbukkitWrapper14 implements CraftbukkitWrapper {
 
         System.arraycopy(backupChunk.getSections(), 0, chunk.getSections(), 0, chunk.getSections().length);
         w.tileEntityListTick.removeAll(chunk.tileEntities.values());
-        if (!FightWorld.isPaper()) {
+        if (!FightWorld.isPAPER()) {
             w.tileEntityList.removeAll(chunk.tileEntities.values());
         }
         chunk.tileEntities.clear();

FightSystem_14/src/de/steamwar/fightsystem/utils/FlatteningWrapper14.java

@@ -55,7 +55,8 @@ public class FlatteningWrapper14 implements FlatteningWrapper {
 
     @Override
     public boolean removeWater(Block block) {
-        if(block.getType() == Material.WATER){
+        Material type = block.getType();
+        if(type == Material.WATER || type == Material.LAVA){
             block.setType(Material.AIR);
             return true;
         }
@@ -107,4 +108,9 @@ public class FlatteningWrapper14 implements FlatteningWrapper {
     public boolean isCrouching(Player player) {
         return player.getPose() == Pose.SWIMMING;
     }
+
+    @Override
+    public void sendBlockChange(Player player, Block block, Material type) {
+        player.sendBlockChange(block.getLocation(), type.createBlockData());
+    }
 }

FightSystem_15/src/de/steamwar/fightsystem/utils/CraftbukkitWrapper15.java

@@ -38,7 +38,7 @@ public class CraftbukkitWrapper15 implements CraftbukkitWrapper {
 
         System.arraycopy(backupChunk.getSections(), 0, chunk.getSections(), 0, chunk.getSections().length);
         w.tileEntityListTick.removeAll(chunk.tileEntities.values());
-        if (!FightWorld.isPaper()) {
+        if (!FightWorld.isPAPER()) {
             w.tileEntityList.removeAll(chunk.tileEntities.values());
         }
         chunk.tileEntities.clear();

FightSystem_18/build.gradle

@@ -48,6 +48,7 @@ dependencies {
     compileOnly 'com.mojang:datafixerupper:4.0.26'
     compileOnly 'io.netty:netty-all:4.1.68.Final'
     compileOnly 'com.mojang:authlib:1.5.25'
+    compileOnly 'it.unimi.dsi:fastutil:8.5.6'
 
     compileOnly swdep("Spigot-1.18")
     compileOnly swdep("WorldEdit-1.15")

FightSystem_18/src/de/steamwar/fightsystem/utils/HullHiderWrapper18.java

@@ -0,0 +1,82 @@
+/*
+ *   This file is a part of the SteamWar software.
+ *
+ *   Copyright (C) 2024  SteamWar.de-Serverteam
+ *
+ *   This program is free software: you can redistribute it and/or modify
+ *   it under the terms of the GNU Affero General Public License as published by
+ *   the Free Software Foundation, either version 3 of the License, or
+ *   (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ *   GNU Affero General Public License for more details.
+ *
+ *   You should have received a copy of the GNU Affero General Public License
+ *   along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package de.steamwar.fightsystem.utils;
+
+import com.comphenix.tinyprotocol.Reflection;
+import de.steamwar.fightsystem.Config;
+import it.unimi.dsi.fastutil.shorts.Short2ObjectArrayMap;
+import net.minecraft.core.BlockPosition;
+import net.minecraft.core.SectionPosition;
+import net.minecraft.network.protocol.game.PacketPlayOutBlockChange;
+import net.minecraft.network.protocol.game.PacketPlayOutMultiBlockChange;
+import net.minecraft.world.level.block.state.IBlockData;
+import org.bukkit.block.data.BlockData;
+
+import java.util.ArrayList;
+import java.util.List;
+
+
+public class HullHiderWrapper18 implements HullHiderWrapper {
+
+    private static final Reflection.MethodInvoker getState = Reflection.getTypedMethod(Reflection.getClass("{obc}.block.data.CraftBlockData"), "getState", IBlockData.class);
+    @Override
+    public Object generateBlockChangePacket(List<Hull.IntVector> changes) {
+        List<Object> blockdata = new ArrayList<>(changes.size());
+
+        changes.removeIf(change -> {
+            BlockData data = Config.world.getBlockData(change.getX(), change.getY(), change.getZ());
+            boolean unchanged = data.getMaterial() == Config.ObfuscateWith || Config.HiddenBlocks.contains(data.getMaterial());
+            if(!unchanged)
+                blockdata.add(getState.invoke(data));
+            return unchanged;
+        });
+
+        if(changes.isEmpty())
+            return null;
+
+        return generateBlockChangePacket(changes, blockdata.toArray());
+    }
+
+    private Object generateBlockChangePacket(List<Hull.IntVector> changes, Object[] blockdata) {
+        if(changes.size() > 1) {
+            Hull.IntVector section = changes.get(0);
+            section = new Hull.IntVector(section.getX() >> 4, section.getY() >> 4, section.getZ() >> 4);
+            int xOffset = 16*section.getX();
+            int yOffset = 16*section.getY();
+            int zOffset = 16*section.getZ();
+
+            short[] pos = new short[changes.size()];
+            for(int i = 0; i < changes.size(); i++) {
+                Hull.IntVector change = changes.get(i);
+
+                pos[i] = (short) (((change.getX()-xOffset) << 8) + ((change.getZ()-zOffset) << 4) + (change.getY()-yOffset));
+            }
+
+            return constructMultiBlockChange(section, pos, blockdata);
+        } else {
+            Hull.IntVector pos = changes.get(0);
+            return new PacketPlayOutBlockChange(new BlockPosition(pos.getX(), pos.getY(), pos.getZ()), (IBlockData) blockdata[0]);
+        }
+    }
+
+    protected Object constructMultiBlockChange(Hull.IntVector section, short[] pos, Object[] blockdata) {
+        return new PacketPlayOutMultiBlockChange(SectionPosition.a(section.getX(), section.getY(), section.getZ()), new Short2ObjectArrayMap<>(pos, blockdata, blockdata.length), false);
+    }
+}

FightSystem_20/build.gradle

@@ -0,0 +1,52 @@
+/*
+ * This file is a part of the SteamWar software.
+ *
+ * Copyright (C) 2021  SteamWar.de-Serverteam
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+plugins {
+    id 'java'
+}
+
+group 'steamwar'
+version '1.0'
+
+compileJava.options.encoding = 'UTF-8'
+
+sourceCompatibility = 1.8
+targetCompatibility = 1.8
+
+sourceSets {
+    main {
+        java {
+            srcDirs = ['src/']
+        }
+        resources {
+            srcDirs = ['src/']
+            exclude '**/*.java', '**/*.kt'
+        }
+    }
+}
+
+dependencies {
+    implementation project(":FightSystem_Core")
+    implementation project(":FightSystem_18")
+
+    compileOnly 'org.spigotmc:spigot-api:1.20-R0.1-SNAPSHOT'
+    compileOnly 'it.unimi.dsi:fastutil:8.5.6'
+
+    compileOnly swdep("Spigot-1.20")
+}

FightSystem_20/src/de/steamwar/fightsystem/utils/CraftbukkitWrapper20.java

@@ -1,7 +1,7 @@
 /*
     This file is a part of the SteamWar software.
 
-    Copyright (C) 2020  SteamWar.de-Serverteam
+    Copyright (C) 2021  SteamWar.de-Serverteam
 
     This program is free software: you can redistribute it and/or modify
     it under the terms of the GNU Affero General Public License as published by
@@ -15,13 +15,16 @@
 
     You should have received a copy of the GNU Affero General Public License
     along with this program.  If not, see <https://www.gnu.org/licenses/>.
-*/
+ */
 
-package de.steamwar.fightsystem.winconditions;
+package de.steamwar.fightsystem.utils;
 
-public class WinconditionBlacklistPercent extends PercentWincondition {
+import org.bukkit.entity.Entity;
 
-    public WinconditionBlacklistPercent(){
-        super("RelativePercent", Winconditions.RELATIVE_PERCENT);
+public class CraftbukkitWrapper20 extends CraftbukkitWrapper18 {
+
+    @Override
+    public float headRotation(Entity e) {
+        return getEntity(e).cm();
     }
 }

FightSystem_20/src/de/steamwar/fightsystem/utils/HullHiderWrapper20.java

@@ -0,0 +1,32 @@
+/*
+ *   This file is a part of the SteamWar software.
+ *
+ *   Copyright (C) 2024  SteamWar.de-Serverteam
+ *
+ *   This program is free software: you can redistribute it and/or modify
+ *   it under the terms of the GNU Affero General Public License as published by
+ *   the Free Software Foundation, either version 3 of the License, or
+ *   (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ *   GNU Affero General Public License for more details.
+ *
+ *   You should have received a copy of the GNU Affero General Public License
+ *   along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package de.steamwar.fightsystem.utils;
+
+import it.unimi.dsi.fastutil.shorts.Short2ObjectArrayMap;
+import net.minecraft.core.SectionPosition;
+import net.minecraft.network.protocol.game.PacketPlayOutMultiBlockChange;
+
+public class HullHiderWrapper20 extends HullHiderWrapper18 {
+
+    @Override
+    protected Object constructMultiBlockChange(Hull.IntVector section, short[] pos, Object[] blockdata) {
+        return new PacketPlayOutMultiBlockChange(SectionPosition.a(section.getX(), section.getY(), section.getZ()), new Short2ObjectArrayMap<>(pos, blockdata, blockdata.length));
+    }
+}

FightSystem_8/src/de/steamwar/fightsystem/utils/BlockIdWrapper8.java

@@ -19,10 +19,25 @@
 
 package de.steamwar.fightsystem.utils;
 
+import com.comphenix.tinyprotocol.Reflection;
+import de.steamwar.fightsystem.Config;
+import org.bukkit.Material;
 import org.bukkit.World;
 import org.bukkit.block.Block;
+import org.bukkit.entity.Player;
 
 public class BlockIdWrapper8 implements BlockIdWrapper {
+
+    private static final Class<?> entityTracker = Reflection.getClass("{nms}.EntityTracker");
+    private static final Reflection.FieldAccessor<?> getEntityTracker = Reflection.getField(worldServer, entityTracker,  0);
+    private static final Class<?> intHashMap = Reflection.getClass("{nms}.IntHashMap");
+    private static final Reflection.FieldAccessor<?> getTrackedEntities = Reflection.getField(entityTracker, intHashMap,  0);
+
+    private final Object trackers;
+    public BlockIdWrapper8() {
+        trackers = getTrackedEntities.get(getEntityTracker.get(getWorldHandle.invoke(Config.world)));
+    }
+
     @Override
     @SuppressWarnings("deprecation")
     public int blockToId(Block block) {
@@ -37,4 +52,31 @@ public class BlockIdWrapper8 implements BlockIdWrapper {
 
         world.getBlockAt(x, y, z).setTypeIdAndData(blockState >> 4, (byte)(blockState & 0b1111), false);
     }
+
+    private static final Class<?> entityTrackerEntry = Reflection.getClass("{nms}.EntityTrackerEntry");
+    private static final Reflection.MethodInvoker get = Reflection.getTypedMethod(intHashMap, "get", Object.class, int.class);
+    private static final Reflection.MethodInvoker updatePlayer = Reflection.getMethod(entityTrackerEntry, "updatePlayer", entityPlayer);
+    @Override
+    public void trackEntity(Player player, int entity) {
+        Object tracker = get.invoke(trackers, entity);
+        if(tracker != null)
+            updatePlayer.invoke(tracker, getPlayer.invoke(player));
+    }
+
+    private static final Reflection.MethodInvoker clearPlayer = Reflection.getMethod(entityTrackerEntry, "a", entityPlayer);
+    @Override
+    public void untrackEntity(Player player, int entity) {
+        Object tracker = get.invoke(trackers, entity);
+        if(tracker != null)
+            clearPlayer.invoke(tracker, getPlayer.invoke(player));
+    }
+
+    @Override
+    @SuppressWarnings("deprecation")
+    public Material idToMaterial(int blockState) {
+        if((blockState >> 4) > 256) // Illegal blockstate / corrupted replay
+            blockState = 0;
+
+        return Material.getMaterial(blockState >> 4);
+    }
 }

FightSystem_8/src/de/steamwar/fightsystem/utils/FlatteningWrapper8.java

@@ -37,7 +37,7 @@ public class FlatteningWrapper8 implements FlatteningWrapper {
     @Override
     public boolean isWater(Block block) {
         Material type = block.getType();
-        return type == Material.WATER || type == Material.STATIONARY_WATER;
+        return type == Material.WATER || type == Material.STATIONARY_WATER || type == Material.LAVA || type == Material.STATIONARY_LAVA;
     }
 
     @Override
@@ -83,4 +83,10 @@ public class FlatteningWrapper8 implements FlatteningWrapper {
     public boolean isCrouching(Player player) {
         return false;
     }
+
+    @Override
+    @SuppressWarnings("deprecation")
+    public void sendBlockChange(Player player, Block block, Material type) {
+        player.sendBlockChange(block.getLocation(), type, (byte)0);
+    }
 }

FightSystem_8/src/de/steamwar/fightsystem/utils/HullHiderWrapper8.java

@@ -0,0 +1,55 @@
+/*
+ *   This file is a part of the SteamWar software.
+ *
+ *   Copyright (C) 2024  SteamWar.de-Serverteam
+ *
+ *   This program is free software: you can redistribute it and/or modify
+ *   it under the terms of the GNU Affero General Public License as published by
+ *   the Free Software Foundation, either version 3 of the License, or
+ *   (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ *   GNU Affero General Public License for more details.
+ *
+ *   You should have received a copy of the GNU Affero General Public License
+ *   along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package de.steamwar.fightsystem.utils;
+
+import com.comphenix.tinyprotocol.Reflection;
+import de.steamwar.fightsystem.Config;
+import org.bukkit.Material;
+
+import java.util.List;
+
+public class HullHiderWrapper8 implements HullHiderWrapper {
+
+    private static final Reflection.ConstructorInvoker newMultiBlockChange = Reflection.getConstructor("{nms}.PacketPlayOutMultiBlockChange", int.class, short[].class, Reflection.getClass("{nms}.Chunk"));
+    private static final Reflection.MethodInvoker getHandle = Reflection.getMethod("{obc}.CraftChunk", "getHandle");
+    @Override
+    public Object generateBlockChangePacket(List<Hull.IntVector> changes) {
+        changes.removeIf(change -> {
+            Material material = Config.world.getBlockAt(change.getX(), change.getY(), change.getZ()).getType();
+            return material == Config.ObfuscateWith || Config.HiddenBlocks.contains(material);
+        });
+
+        if(changes.isEmpty())
+            return null;
+
+        Hull.IntVector chunk = changes.get(0);
+        chunk = new Hull.IntVector(chunk.getX() >> 4, chunk.getY() >> 4, chunk.getZ() >> 4);
+        int xOffset = 16*chunk.getX();
+        int zOffset = 16*chunk.getZ();
+        short[] pos = new short[changes.size()];
+
+        for(int i = 0; i < changes.size(); i++) {
+            Hull.IntVector change = changes.get(i);
+            pos[i] = (short) (((change.getX()-xOffset) << 12) + ((change.getZ()-zOffset) << 8) + change.getY());
+        }
+
+        return newMultiBlockChange.invoke(pos.length, pos, getHandle.invoke(Config.world.getChunkAt(chunk.getX(), chunk.getZ())));
+    }
+}

FightSystem_9/src/de/steamwar/fightsystem/utils/CraftbukkitWrapper9.java

@@ -39,7 +39,7 @@ public class CraftbukkitWrapper9 implements CraftbukkitWrapper {
         System.arraycopy(backupChunk.getSections(), 0, chunk.getSections(), 0, chunk.getSections().length);
         System.arraycopy(backupChunk.heightMap, 0, chunk.heightMap, 0, chunk.heightMap.length);
         w.tileEntityListTick.removeAll(chunk.tileEntities.values());
-        if (!FightWorld.isPaper()) {
+        if (!FightWorld.isPAPER()) {
             w.tileEntityList.removeAll(chunk.tileEntities.values());
         }
         chunk.tileEntities.clear();

FightSystem_Core/build.gradle

@@ -47,6 +47,9 @@ dependencies {
     compileOnly 'io.netty:netty-all:4.1.68.Final'
     compileOnly 'com.mojang:authlib:1.5.25'
 
+    compileOnly 'org.projectlombok:lombok:1.18.30'
+    annotationProcessor 'org.projectlombok:lombok:1.18.30'
+
     compileOnly swdep("WorldEdit-1.15")
     compileOnly swdep("SpigotCore")
 }

FightSystem_Core/src/config.yml

@@ -37,6 +37,11 @@ Arena:
   Schem2Border:
     x: 24 # defaults to 24 if missing
     z: 24 # defaults to 24 if missing
+  # The offset the teams spawn relative to the center of their area
+  SpawnOffset:
+    x: 0 # defaults to 0 if missing
+    y: 0 # defaults to Schematic.Size.y if missing
+    z: 0 # defaults to 0 if missing
   # The size of the team areas are expanded around the schematics
   BorderFromSchematic: 12 # defaults to 12 if missing
   # If ground walkable, teams can walk below the lower arena border during setup
@@ -56,10 +61,14 @@ Schematic:
     z: 0
   # The schematic type that can be chosen in this arena
   Type: Normal # defaults to Normal if missing
+  # The schematic types that are also allowed to be chosen in this arena
+  SubTypes: [] # defaults to empty List
   # Shortcut of the schematic type
   Shortcut: "" # defaults to "" if missing
   # Spigot (1.8) material for GUIs
   Material: STONE_BUTTON # defaults to STONE_BUTTON if missing
+  # Manual check of schematic necessary
+  ManualCheck: true # defaults to true if missing
   # If the schematics should be rotated during pasting
   Rotate: true # defaults to true if missing
   # If the schematics should be pasted aligned to the borders instead of centered
@@ -105,8 +114,6 @@ WinConditions: # defaults to none if missing
   # - CAPTAIN_DEAD
 
   # - PERCENT_SYSTEM
-  # - WHITELIST_PERCENT
-  # - RELATIVE_PERCENT
   # - POINTS
   # - POINTS_AIRSHIP
 
@@ -116,12 +123,18 @@ WinConditions: # defaults to none if missing
 
   # - HELLS_BELLS
   # - METEOR
+  # - PERSISTENT_DAMAGE
+  # - TNT_DISTRIBUTION
 
 WinConditionParams:
   # The time of any of the timeout win conditions in seconds
   TimeoutTime: 1200 # defaults to 1200 if missing
   # The percentage when any of the percent win conditions limits or triggers a win
   PercentWin: 7.0 # defaults to 7.0 if missing
+  # Does the percentage still change after the start of the enter phase
+  PercentEntern: true # defaults to true if missing
+  # Is Blocks a whitelist (true) or blacklist (false)
+  BlocksWhitelist: false # defaults to false if missing
   # Special Blocks (Valid spigot material values) used by the percent win conditions
   Blocks: [] # defaults to none if missing
 
@@ -165,8 +178,3 @@ Techhider:
 #   x: 0 # defaults to 0 if missing
 #   y: 0 # defaults to 0 if missing
 #   z: 0 # defaults to Schematic.Size.z + 50 if missing
-# # The offset the teams spawn relative to the center of their area
-# SpawnOffset:
-#   x: 0 # defaults to 0 if missing
-#   y: 0 # defaults to Schematic.Size.y if missing
-#   z: 0 # defaults to 0 if missing

FightSystem_Core/src/de/steamwar/fightsystem/ArenaMode.java

@@ -45,7 +45,8 @@ public enum ArenaMode {
     public static final Set<ArenaMode> AntiEvent = Collections.unmodifiableSet(EnumSet.complementOf(EnumSet.of(EVENT)));
     public static final Set<ArenaMode> AntiTestCheckPrepare = Collections.unmodifiableSet(EnumSet.complementOf(EnumSet.of(TEST, CHECK, PREPARE)));
     public static final Set<ArenaMode> AntiPrepare = Collections.unmodifiableSet(EnumSet.complementOf(EnumSet.of(PREPARE)));
-    public static final Set<ArenaMode> VariableTeams = Collections.unmodifiableSet(EnumSet.complementOf(EnumSet.of(EVENT, REPLAY)));
+    public static final Set<ArenaMode> VariableTeams = Collections.unmodifiableSet(EnumSet.complementOf(EnumSet.of(EVENT, REPLAY, CHECK)));
+    public static final Set<ArenaMode> ManualTeams = Collections.unmodifiableSet(EnumSet.complementOf(EnumSet.of(EVENT, REPLAY)));
     public static final Set<ArenaMode> RankedEvent = Collections.unmodifiableSet(EnumSet.of(EVENT, REPLAY));
     public static final Set<ArenaMode> Restartable = Collections.unmodifiableSet(EnumSet.of(NORMAL, TEST));
     public static final Set<ArenaMode> NotRestartable = Collections.unmodifiableSet(EnumSet.of(EVENT, REPLAY));

FightSystem_Core/src/de/steamwar/fightsystem/Config.java

@@ -21,10 +21,7 @@ package de.steamwar.fightsystem;
 
 import de.steamwar.fightsystem.utils.Region;
 import de.steamwar.fightsystem.winconditions.Winconditions;
-import de.steamwar.sql.Event;
-import de.steamwar.sql.EventFight;
-import de.steamwar.sql.SteamwarUser;
-import de.steamwar.sql.Team;
+import de.steamwar.sql.*;
 import org.bukkit.Bukkit;
 import org.bukkit.Location;
 import org.bukkit.Material;
@@ -83,6 +80,7 @@ public class Config {
     public static final boolean OnlyPublicSchematics;
     public static final boolean IgnorePublicOnly;
     public static final de.steamwar.sql.SchematicType SchematicType;
+    public static final List<de.steamwar.sql.SchematicType> SubTypes;
     public static final boolean RedRotate;
     public static final boolean BlueRotate;
     public static final boolean PasteAligned;
@@ -106,6 +104,8 @@ public class Config {
     //win condition parameters
     public static final int TimeoutTime;
     public static final double PercentWin;
+    public static final boolean PercentEntern;
+    public static final boolean PercentBlocksWhitelist;
     public static final Set<Material> PercentBlocks;
 
     //default kits
@@ -117,13 +117,13 @@ public class Config {
 
     //tech hider parameter
     public static final boolean TechhiderActive;
-    public static final Set<String> HiddenBlocks;
+    public static final Set<Material> HiddenBlocks;
     public static final Set<String> HiddenBlockEntities;
-    public static final String ObfuscateWith;
+    public static final Material ObfuscateWith;
 
     //event parameter
-    private static final int EventKampfID;
     public static final EventFight EventKampf;
+    private static final Set<Integer> Referees;
     public static final int EventTeamBlueID;
     public static final int EventTeamRedID;
     public static final boolean BothTeamsPublic;
@@ -138,10 +138,14 @@ public class Config {
 
     //replay system parameter
     public static final String spectateIP = "127.0.0.1";
-    public static final int spectatePort = 2222;
+    public static final int SpectatePort;
     public static final int ReplayID;
 
     static{
+        CheckSchemID = Integer.parseInt(System.getProperty("checkSchemID", "0"));
+        PrepareSchemID = Integer.parseInt(System.getProperty("prepareSchemID", "0"));
+        ReplayID = Integer.parseInt(System.getProperty("replay", "0"));
+
         String configFile = System.getProperty("config", "config.yml");
         if(!new File(FightSystem.getPlugin().getDataFolder(), configFile).exists()) {
             FightSystem.getPlugin().saveDefaultConfig();
@@ -181,6 +185,7 @@ public class Config {
         int schemsizeZ = config.getInt("Schematic.Size.z");
         RanksEnabled = !config.getStringList("Ranks").isEmpty();
         SchematicType = de.steamwar.sql.SchematicType.fromDB(Objects.requireNonNull(config.getString("Schematic.Type", "normal")));
+        SubTypes = config.getStringList("Schematic.SubTypes").stream().map(de.steamwar.sql.SchematicType::fromDB).collect(Collectors.toList());
         IgnorePublicOnly = config.getBoolean("Schematic.IgnorePublicOnly", false);
         boolean rotate = config.getBoolean("Schematic.Rotate", true);
         PasteAligned = config.getBoolean("Schematic.PasteAligned", false);
@@ -195,6 +200,8 @@ public class Config {
 
         TimeoutTime = config.getInt("WinConditionParams.TimeoutTime", 1200);
         PercentWin = config.getDouble("WinConditionParams.PercentWin", 7.0);
+        PercentEntern = config.getBoolean("WinConditionParams.PercentEntern", true);
+        PercentBlocksWhitelist = config.getBoolean("WinConditionParams.BlocksWhitelist", false);
         PercentBlocks = Collections.unmodifiableSet(config.getStringList("WinConditionParams.Blocks").stream().map(Material::valueOf).collect(Collectors.toSet()));
 
         EnterStages = Collections.unmodifiableList(config.getIntegerList("EnterStages"));
@@ -207,8 +214,8 @@ public class Config {
         ForbiddenItems = Collections.unmodifiableSet(config.getStringList("Kits.ForbiddenItems").stream().map(Material::valueOf).collect(Collectors.toSet()));
 
         TechhiderActive = config.getBoolean("Techhider.Active", false);
-        ObfuscateWith = config.getString("Techhider.ObfuscateWith", "end_stone").toUpperCase();
-        HiddenBlocks = Collections.unmodifiableSet(new HashSet<>(config.getStringList("Techhider.HiddenBlocks")));
+        ObfuscateWith = Material.getMaterial(config.getString("Techhider.ObfuscateWith", "end_stone").toUpperCase());
+        HiddenBlocks = config.getStringList("Techhider.HiddenBlocks").stream().map(String::toUpperCase).map(Material::getMaterial).collect(Collectors.toSet());
         HiddenBlockEntities = Collections.unmodifiableSet(new HashSet<>(config.getStringList("Techhider.HiddenBlockEntities")));
 
         if(schemsizeX < 0){
@@ -227,9 +234,9 @@ public class Config {
         BlueToRedX = worldconfig.getInt("BlueToRed.x", 0);
         BlueToRedY = worldconfig.getInt("BlueToRed.y", 0);
         BlueToRedZ = worldconfig.getInt("BlueToRed.z", schemsizeZ + 50);
-        double teamBlueSpawnOffsetX = worldconfig.getDouble("SpawnOffset.x", 0);
-        double teamBlueSpawnOffsetY = worldconfig.getDouble("SpawnOffset.y", schemsizeY);
-        double teamBlueSpawnOffsetZ = worldconfig.getDouble("SpawnOffset.z", 0);
+        double teamBlueSpawnOffsetX = config.getDouble("Arena.SpawnOffset.x", 0);
+        double teamBlueSpawnOffsetY = config.getDouble("Arena.SpawnOffset.y", schemsizeY);
+        double teamBlueSpawnOffsetZ = config.getDouble("Arena.SpawnOffset.z", 0);
 
         int teamRedCornerX = BlueToRedX + blueCornerX;
         int teamRedCornerY = BlueToRedY + blueCornerY;
@@ -303,25 +310,25 @@ public class Config {
         RedRotate = teamRedRotate;
         BlueRotate = teamBlueRotate;
 
-        RedPasteRegion = new Region(teamRedCornerX, teamRedCornerY, teamRedCornerZ, schemsizeX, schemsizeY, schemsizeZ);
-        BluePasteRegion = new Region(blueCornerX, blueCornerY, blueCornerZ, schemsizeX, schemsizeY, schemsizeZ);
+        RedPasteRegion = Region.fromSize(teamRedCornerX, teamRedCornerY, teamRedCornerZ, schemsizeX, schemsizeY, schemsizeZ);
+        BluePasteRegion = Region.fromSize(blueCornerX, blueCornerY, blueCornerZ, schemsizeX, schemsizeY, schemsizeZ);
 
-        RedExtendRegion = new Region(teamRedCornerX, teamRedCornerY, teamRedCornerZ, schemsizeX, schemsizeY, schemsizeZ, PreperationArea, PreperationArea, PreperationArea);
-        BlueExtendRegion = new Region(blueCornerX, blueCornerY, blueCornerZ, schemsizeX, schemsizeY, schemsizeZ, PreperationArea, PreperationArea, PreperationArea);
-        ArenaRegion = new Region(arenaMinX, blueCornerY, arenaMinZ, arenaMaxX - arenaMinX, schemsizeY, arenaMaxZ - arenaMinZ, 0, PreperationArea, 0);
-        PlayerRegion = new Region(arenaMinX, underBorder, arenaMinZ, arenaMaxX - arenaMinX, world.getMaxHeight() - underBorder, arenaMaxZ - arenaMinZ);
+        RedExtendRegion = Region.withExtension(teamRedCornerX, teamRedCornerY, teamRedCornerZ, schemsizeX, schemsizeY, schemsizeZ, PreperationArea, PreperationArea, PreperationArea);
+        BlueExtendRegion = Region.withExtension(blueCornerX, blueCornerY, blueCornerZ, schemsizeX, schemsizeY, schemsizeZ, PreperationArea, PreperationArea, PreperationArea);
+        ArenaRegion = Region.withExtension(arenaMinX, blueCornerY, arenaMinZ, arenaMaxX - arenaMinX, schemsizeY, arenaMaxZ - arenaMinZ, 0, PreperationArea, 0);
+        PlayerRegion = new Region(arenaMinX, underBorder, arenaMinZ, arenaMaxX, world.getMaxHeight(), arenaMaxZ);
 
-        EventKampfID = Integer.parseInt(System.getProperty("fightID", "0"));
-        if(EventKampfID >= 1){
-            EventFight eventFight = EventFight.get(EventKampfID);
-            if(eventFight == null){
+        int eventKampfID = Integer.parseInt(System.getProperty("fightID", "0"));
+        if(eventKampfID >= 1){
+            EventKampf = EventFight.get(eventKampfID);
+            if(EventKampf == null){
                 Bukkit.getLogger().log(Level.SEVERE, "Failed to load EventFight");
                 Bukkit.shutdown();
             }
 
-            assert eventFight != null;
-            Team team1 = Team.get(eventFight.getTeamBlue());
-            Team team2 = Team.get(eventFight.getTeamRed());
+            assert EventKampf != null;
+            Team team1 = Team.get(EventKampf.getTeamBlue());
+            Team team2 = Team.get(EventKampf.getTeamRed());
 
             if(team1 == null || team2 == null){
                 Bukkit.getLogger().log(Level.SEVERE, "Failed to load Team");
@@ -337,9 +344,11 @@ public class Config {
             EventTeamBlueID = team1.getTeamId();
             EventTeamRedID = team2.getTeamId();
             BothTeamsPublic = EventTeamRedID == 0 && EventTeamBlueID == 0;
-            EventKampf = eventFight;
+            SpectatePort = EventKampf.getSpectatePort();
+            LiveReplay = SpectatePort != 0;
+            Referees = Referee.get(Config.EventKampf.getEventID());
 
-            Event event = Event.get(eventFight.getEventID());
+            Event event = Event.get(EventKampf.getEventID());
             if(BothTeamsPublic) {
                 OnlyPublicSchematics = true;
                 MaximumTeamMembers = Integer.MAX_VALUE;
@@ -347,7 +356,6 @@ public class Config {
                 OnlyPublicSchematics = event.publicSchemsOnly();
                 MaximumTeamMembers = event.getMaximumTeamMembers();
             }
-            LiveReplay = event.spectateSystem();
         }else{
             //No event
             TeamRedColor = config.getString("Red.Prefix", "§c");
@@ -359,8 +367,10 @@ public class Config {
             EventTeamRedID = 0;
             EventKampf = null;
             BothTeamsPublic = true;
+            Referees = Collections.emptySet();
             MaximumTeamMembers = Integer.MAX_VALUE;
             LiveReplay = false;
+            SpectatePort = -ReplayID;
         }
 
         String blueLeader = System.getProperty("blueLeader", null);
@@ -374,17 +384,13 @@ public class Config {
         else
             RedLeader = null;
 
-        CheckSchemID = Integer.parseInt(System.getProperty("checkSchemID", "0"));
-        PrepareSchemID = Integer.parseInt(System.getProperty("prepareSchemID", "0"));
-        ReplayID = Integer.parseInt(System.getProperty("replay", "0"));
-
         if(CheckSchemID != 0){
             mode = ArenaMode.CHECK;
         }else if(PrepareSchemID != 0){
             mode = ArenaMode.PREPARE;
-        }else if(EventKampfID >= 1){
+        }else if(eventKampfID >= 1){
             mode = ArenaMode.EVENT;
-        }else if(EventKampfID == -1){
+        }else if(eventKampfID == -1){
             mode = ArenaMode.TEST;
         }else if(ReplayID != 0){
             mode = ArenaMode.REPLAY;
@@ -397,15 +403,13 @@ public class Config {
         return ArenaMode.Test.contains(mode);
     }
     public static boolean replayserver(){
-        return ReplayID == -1;
+        return ReplayID < 0;
     }
     public static boolean blueNegZ(){
         return BlueToRedZ > 0;
     }
 
     public static boolean isReferee(Player player) {
-        if(EventKampf == null)
-            return false;
-        return SteamwarUser.get(player.getUniqueId()).getId() == EventKampf.getKampfleiter();
+        return Referees.contains(SteamwarUser.get(player.getUniqueId()).getId());
     }
 }

FightSystem_Core/src/de/steamwar/fightsystem/FightSystem.java

@@ -25,30 +25,39 @@ import de.steamwar.fightsystem.commands.*;
 import de.steamwar.fightsystem.countdown.*;
 import de.steamwar.fightsystem.event.HellsBells;
 import de.steamwar.fightsystem.event.Meteor;
+import de.steamwar.fightsystem.event.PersistentDamage;
+import de.steamwar.fightsystem.event.TNTDistributor;
 import de.steamwar.fightsystem.fight.Fight;
 import de.steamwar.fightsystem.fight.FightTeam;
 import de.steamwar.fightsystem.fight.FightWorld;
 import de.steamwar.fightsystem.fight.HotbarKit;
 import de.steamwar.fightsystem.listener.Shutdown;
 import de.steamwar.fightsystem.listener.*;
-import de.steamwar.fightsystem.record.*;
+import de.steamwar.fightsystem.record.FileRecorder;
+import de.steamwar.fightsystem.record.FileSource;
+import de.steamwar.fightsystem.record.GlobalRecorder;
+import de.steamwar.fightsystem.record.LiveRecorder;
 import de.steamwar.fightsystem.states.FightState;
 import de.steamwar.fightsystem.states.OneShotStateDependent;
+import de.steamwar.fightsystem.states.StateDependentListener;
 import de.steamwar.fightsystem.utils.*;
 import de.steamwar.fightsystem.winconditions.*;
 import de.steamwar.message.Message;
 import de.steamwar.sql.SchematicNode;
+import lombok.Getter;
 import org.bukkit.Bukkit;
 import org.bukkit.plugin.java.JavaPlugin;
 
 public class FightSystem extends JavaPlugin {
 
+    @Getter
     private static FightSystem plugin;
 
     private Message message;
     private FightTeam lastWinner;
     private String lastWinreason;
     private TechHiderWrapper techHider;
+    private HullHider hullHider;
 
     @Override
     public void onLoad() {
@@ -75,7 +84,6 @@ public class FightSystem extends JavaPlugin {
         });
         new Chat();
         new ArenaBorder();
-        new TeamArea();
         new IngameDeath();
         new InFightDamage();
         new InFightInventory();
@@ -92,16 +100,18 @@ public class FightSystem extends JavaPlugin {
         new RunningWorldInteraction();
         new PersonalKitCreator();
         new ArrowStopper();
-        new ArrowPickup();
+        new StateDependentListener(ArenaMode.All, FightState.All, BountifulWrapper.impl.newDenyArrowPickupListener());
         new BlockFadeListener();
         new LeaveableArena();
         new ClickAnalyzer();
         new BlockPlaceCollision();
         new HotbarKit.HotbarKitListener();
+        new JoinRequestListener();
         new OneShotStateDependent(ArenaMode.All, FightState.PreSchemSetup, () -> Fight.playSound(SWSound.BLOCK_NOTE_PLING.getSound(), 100.0f, 2.0f));
 
         new EnterHandler();
         techHider = new TechHiderWrapper();
+        hullHider = new HullHider();
         new FightWorld();
         new FightUI();
         new FightStatistics();
@@ -111,9 +121,7 @@ public class FightSystem extends JavaPlugin {
         new WinconditionCaptainDead();
         new WinconditionBlocks(Winconditions.WATER_TECH_KO, "WaterTechKO", "BAR_WATER", FlatteningWrapper.impl::isWater);
         new WinconditionBlocks(Winconditions.PUMPKIN_TECH_KO, "PumpkinTechKO", "BAR_CANNONS", block -> block.getType() == WinconditionBlocks.PUMPKIN_LANTERN);
-        new WinconditionPercentSystem();
-        new WinconditionBlacklistPercent();
-        new WinconditionWhitelistPercent();
+        new WinconditionPercent(Winconditions.PERCENT_SYSTEM, "Percent");
         new WinconditionPoints();
         new WinconditionPointsAirShip();
         new WinconditionTimeout();
@@ -124,6 +132,8 @@ public class FightSystem extends JavaPlugin {
 
         new HellsBells();
         new Meteor();
+        new PersistentDamage();
+        new TNTDistributor();
         new WinconditionAmongUs();
 
         new NoPlayersOnlineCountdown();
@@ -136,18 +146,18 @@ public class FightSystem extends JavaPlugin {
         new LeaveCommand();
         new KitCommand();
         new RemoveCommand();
-        new AcceptCommand();
+        new RequestsCommand();
+        new InfoCommand();
         new WGCommand();
         new TBCommand();
-        new DeclineCommand();
         new GamemodeCommand();
-        new InviteCommand();
         new ReadyCommand();
         new AkCommand();
         new LeaderCommand();
         new LockschemCommand();
         new StateCommand();
         new SkipCommand();
+        new TPSWarpCommand();
         new UnrankCommand();
         new WinCommand();
 
@@ -159,7 +169,15 @@ public class FightSystem extends JavaPlugin {
         if(Config.mode == ArenaMode.EVENT) {
             FightState.setFightState(FightState.PRE_SCHEM_SETUP);
         }else if(Config.mode == ArenaMode.CHECK){
-            Fight.getBlueTeam().setSchem(SchematicNode.getSchematicNode(Config.CheckSchemID));
+            SchematicNode checkSchematicNode = SchematicNode.getSchematicNode(Config.CheckSchemID);
+            Fight.getBlueTeam().setSchem(checkSchematicNode);
+
+            if (checkSchematicNode.getName().endsWith("-prepared")) {
+                SchematicNode unpreparedSchematicNode = SchematicNode.getSchematicNode(checkSchematicNode.getOwner(), checkSchematicNode.getName().substring(0, checkSchematicNode.getName().length() - 9), checkSchematicNode.getParent());
+                if (unpreparedSchematicNode != null) {
+                    Fight.getRedTeam().setSchem(unpreparedSchematicNode);
+                }
+            }
         }else if(Config.mode == ArenaMode.PREPARE) {
             Fight.getUnrotated().setSchem(SchematicNode.getSchematicNode(Config.PrepareSchemID));
         }
@@ -179,15 +197,6 @@ public class FightSystem extends JavaPlugin {
         FightState.setFightState(FightState.SPECTATE);
     }
 
-    public static FightSystem getPlugin() {
-        return plugin;
-    }
-
-    public static void broadcast(String msg, Object... params) {
-        getMessage().broadcast(msg, params);
-        GlobalRecorder.getInstance().system(msg, params);
-    }
-
     public static Message getMessage() {
         return plugin.message;
     }
@@ -204,6 +213,10 @@ public class FightSystem extends JavaPlugin {
         return plugin.techHider;
     }
 
+    public static HullHider getHullHider() {
+        return plugin.hullHider;
+    }
+
     public static void shutdown() {
         //Staggered kick to prevent lobby overloading
         if(Bukkit.getOnlinePlayers().isEmpty()){

FightSystem_Core/src/de/steamwar/fightsystem/FightSystem.properties

@@ -25,13 +25,6 @@ FIGHT_ALREADY_STARTED=§cThe fight already started
 NOT_LEADER=§cYou aren't a leader
 PLAYER_UNAVAILABLE=§cThe player is not in an arena
 
-NO_INVITATION=§cYou weren't invited by any team
-INVITATION_DECLINED=§cInvitation declined
-INVITATION_DECLINED_TEAM=§e{0} §chas declined the invitation
-PLAYER_IN_TEAM=§e{0} §cis already in a team
-ALREADY_INVITED=§e{0} §cwas invited
-INVITATION_SENT=§e{0} §7invited
-
 NOT_IN_TEAM=§e{0} §cis not in your team
 
 KIT_UNAVAILABLE=§cThis kit does not exist
@@ -41,8 +34,6 @@ GAMEMODE_NOT_ALLOWED=§cChanging gamemode is not permitted
 GAMEMODE_UNKNOWN=§cUnknown gamemode {0}
 GAMEMODE_HELP=§8/§7gm §8[§egamemode§8]
 
-INVITE_HELP=§8/§einvite §8[§eplayer§8]
-
 LEADER_FULL=§cAll teams already have a leader
 ALREADY_IN_TEAM=§cYou are already in a team
 
@@ -56,14 +47,15 @@ REMOVE_HELP=§8/§eremove §8[§eplayer§8]
 NOT_FIGHTLEADER=§cYou are not the fight leader
 WIN_HELP=§8/§7win §8[§eteam §8or §etie§8]
 
+INFO_RANKED=§7Ranked§8: §e{0}
+INFO_LEADER=§7Leader {0}§8: {1}
+INFO_SCHEMATIC=§7Schematic {0}§8: §e{1} §7from {2}, Rank: {3}
+
+TPSWARP_HELP=§8/§7tpswarp §8[§eticks per second§8]
+TPSWARP_SET=§7TPS set to §e{0}
+
 
 # GUI
-INVITATION_TITLE=Invitation from {0}
-INVITATION_ACCEPT=§aAccept
-INVITATION_DECLINE=§cDecline
-INVITATION_CHAT_ACCEPT=§8/§aaccept§8, §7to §aaccept§7 the invitation
-INVITATION_CHAT_DECLINE=§8/§cdecline§8, §7to §cdecline§7 the invitation
-
 STATE_TITLE=Fight state
 STATE_PRE_LEADER_SETUP=§7Team leader waiting phase
 STATE_PRE_SCHEM_SETUP=§7Schematic selection phase
@@ -73,8 +65,6 @@ STATE_RUNNING=§eFighting phase
 STATE_SPECTATE_WIN=§7Victory {0}
 STATE_SPECTATE_TIE=§7Draw
 
-INVITE_TITLE=Invite player
-
 REMOVE_TITLE=Kick player
 
 KIT_SELECTION_TITLE=Kit selection
@@ -88,6 +78,7 @@ KITSEARCH_TITLE=Search for kit
 SCHEM_NO_ENEMY=§cNo schematic selection without an opponent
 SCHEM_TITLE={0} selection
 SCHEM_PUBLIC=§ePublic {0}
+SCHEM_UNCHECKED=§eUnchecked {0}
 SCHEM_PRIVATE=§ePrivate {0}
 SCHEM_NO_PRIVATE=§7No private {0} present
 SCHEM_PRIVATE_FORBIDDEN=§7No private {0} allowed
@@ -112,6 +103,7 @@ SPECTATE_COUNTDOWN=until the arena is reset
 # Fight
 SCHEMATIC_UNLOADABLE=§cUnable to load schematic
 SCHEMATIC_CHOSEN=§7{0} §e{1} §7chosen
+SCHEMATIC_UNCHECKED=§7Team {0} §7has chosen an §eunchecked §7schematic§8!
 TEAM_READY=§aTeam ready
 TEAM_NOT_READY=§c§mTeam ready
 SKIP_READY=§aSkipping to next event
@@ -119,7 +111,6 @@ SKIP_NOT_READY=§c§mSkipping to next event
 TEAM_CHAT={0}{1}§8» {0}{2}
 CHOOSE_KIT=§eChoose kit
 RESPAWN=§eRespawn
-INVITE_PLAYERS=§eInvite player
 REMOVE_PLAYERS=§cKick player
 CHOOSE_SCHEMATIC=§eChoose {0}
 SCHEMATIC_REQUIRED=§cChoose a schematic first
@@ -244,3 +235,22 @@ WIN_CREWMATE_DEAD={0} §7killed all team mates
 
 AMONG_US_IMPOSTER_MESSAGE = §4You are the Imposter§8! §7Kill all your team mates to win the game!
 AMONG_US_IMPOSTER_AMONG_MESSAGE = §4There is an Imposter among us§8! §7Kill him to win the game!
+
+
+# Invites
+JOIN_REQUEST=§7Request join
+JOIN_REQUEST_TITLE=Request join
+JOIN_REQUEST_ALREADY=§cYou have already sent a join request
+JOIN_REQUEST_TEAM=§7Join {0}
+JOIN_REQUEST_CONFIRMATION=§7Join request submitted
+JOIN_REQUEST_NOTIFICATION=§e{0} §7requests joining team {1}§8. §7Accept or decline using §8/§erequests
+
+REQUESTS=§7Open join requests
+REQUESTS_TITLE=Open join requests
+REQUEST_DECLINED=§cJoin of {0} declined
+REQUEST_YOUR_DECLINED=§cYour join request was declined
+REQUESTS_LEFT_CLICK=§eLeft click §7to §eaccept§8!
+REQUESTS_RIGHT_CLICK=§eRight click §7to §edecline§8!
+
+NO_JOIN_REQUEST=§cThe player did not request joining
+NO_CONFIRMATION=§cNo confirmation necessary

FightSystem_Core/src/de/steamwar/fightsystem/FightSystem_de.properties

@@ -23,13 +23,6 @@ FIGHT_ALREADY_STARTED=§cDer Kampf hat bereits begonnen
 NOT_LEADER=§cDu bist kein Leader
 PLAYER_UNAVAILABLE=§cDer Spieler ist nicht in der Arena
 
-NO_INVITATION=§cDu wurdest von keinem Team eingeladen
-INVITATION_DECLINED=§cEinladung abgelehnt
-INVITATION_DECLINED_TEAM=§e{0} §chat die Einladung abgelehnt
-PLAYER_IN_TEAM=§e{0} §cist bereits in einem Team
-ALREADY_INVITED=§e{0} §cwurde bereits eingeladen
-INVITATION_SENT=§e{0} §7eingeladen
-
 NOT_IN_TEAM=§e{0} §cist nicht in deinem Team
 
 KIT_UNAVAILABLE=§cDieses Kit gibt es nicht
@@ -39,8 +32,6 @@ GAMEMODE_NOT_ALLOWED=§cSpielmodusänderung verboten
 GAMEMODE_UNKNOWN=§cUnbekannter Spielmodus {0}
 GAMEMODE_HELP=§8/§7gm §8[§eSpielmodus§8]
 
-INVITE_HELP=§8/§einvite §8[§eSpieler§8]
-
 LEADER_FULL=§cAlle Teams haben bereits einen Leader
 ALREADY_IN_TEAM=§cDu bist bereits in einem Team
 
@@ -54,14 +45,11 @@ REMOVE_HELP=§8/§eremove §8[§eSpieler§8]
 NOT_FIGHTLEADER=§cDu bist nicht Kampfleiter
 WIN_HELP=§8/§7win §8[§eTeam §8oder §etie§8]
 
+TPSWARP_HELP=§8/§7tpswarp §8[§eTicks pro Sekunde§8]
+TPSWARP_SET=§7TPS auf §e{0} §7gesetzt
+
 
 # GUI
-INVITATION_TITLE=Einladung von {0}
-INVITATION_ACCEPT=§aAnnehmen
-INVITATION_DECLINE=§cAblehnen
-INVITATION_CHAT_ACCEPT=§8/§aaccept§8, §7um die Einladung §aanzunehmen
-INVITATION_CHAT_DECLINE=§8/§cdecline§8, §7um die Einladung §cabzulehnen
-
 STATE_TITLE=Kampfstatus
 STATE_PRE_LEADER_SETUP=§7Teamleaderwartephase
 STATE_PRE_SCHEM_SETUP=§7Schemauswahlphase
@@ -71,8 +59,6 @@ STATE_RUNNING=§eKampfphase
 STATE_SPECTATE_WIN=§7Sieg {0}
 STATE_SPECTATE_TIE=§7Unentschieden
 
-INVITE_TITLE=Spieler einladen
-
 REMOVE_TITLE=Spieler rauswerfen
 
 KIT_SELECTION_TITLE=Kitauswahl
@@ -86,6 +72,7 @@ KITSEARCH_TITLE=Nach Kit suchen
 SCHEM_NO_ENEMY=§cKeine Schematicwahl ohne Gegner
 SCHEM_TITLE={0}-Auswahl
 SCHEM_PUBLIC=§eÖffentliches {0}
+SCHEM_UNCHECKED=§eUngeprüftes {0}
 SCHEM_PRIVATE=§ePrivates {0}
 SCHEM_NO_PRIVATE=§7Kein privates {0} vorhanden
 SCHEM_PRIVATE_FORBIDDEN=§7Kein privates {0} erlaubt
@@ -110,13 +97,13 @@ SPECTATE_COUNTDOWN=bis die Arena zurückgesetzt wird
 # Fight
 SCHEMATIC_UNLOADABLE=§cSchematic konnte nicht geladen werden
 SCHEMATIC_CHOSEN=§7{0} §e{1} §7gewählt
+SCHEMATIC_UNCHECKED=§7Team {0} §7hat eine §eungeprüfte §7Schematic gewählt§8!
 TEAM_READY=§aTeam bereit
 TEAM_NOT_READY=§c§mTeam bereit
 SKIP_READY=§aBeschleunigung zum nächsten Event
 SKIP_NOT_READY=§c§mBeschleunigung zum nächsten Event
 CHOOSE_KIT=§eKit wählen
 RESPAWN=§eRespawn
-INVITE_PLAYERS=§eSpieler einladen
 REMOVE_PLAYERS=§cSpieler rauswerfen
 CHOOSE_SCHEMATIC=§e{0} wählen
 SCHEMATIC_REQUIRED=§cZuerst muss eine Schematic gewählt sein
@@ -229,3 +216,21 @@ WIN_CREWMATE_DEAD={0} §7 hat alle Kameraden getötet
 
 AMONG_US_IMPOSTER_MESSAGE = §4Du bist ein Imposter§8! §7Du musst alle Kameraden töten, um zu gewinnen.
 AMONG_US_IMPOSTER_AMONG_MESSAGE = §4Es ist ein Imposter unter uns§8! §7Tötet ihn, um das Spiel zu gewinnen!
+
+# Invites
+JOIN_REQUEST=§7Teambeitritt anfragen
+JOIN_REQUEST_TITLE=Teambeitritt anfragen
+JOIN_REQUEST_ALREADY=§cDu hast bereits ein Team um Beitritt angefragt
+JOIN_REQUEST_TEAM={0} §7beitreten
+JOIN_REQUEST_CONFIRMATION=§7Teambeitritt angefragt
+JOIN_REQUEST_NOTIFICATION=§e{0} §7möchte Team {1} §7beitreten§8. §7Akzeptiere oder lehne ab mit §8/§erequests
+
+REQUESTS=§7Offene Beitrittsanfragen
+REQUESTS_TITLE=Offene Beitrittsanfragen
+REQUEST_DECLINED=§cBeitritt von {0} abgelehnt
+REQUEST_YOUR_DECLINED=§cDeine Betrittsanfrage wurde abgelehnt
+REQUESTS_LEFT_CLICK=§eLinksklick §7um §eanzunehmen§8!
+REQUESTS_RIGHT_CLICK=§eRechtsklick §7um §eabzulehnen§8!
+
+NO_JOIN_REQUEST=§cDer Spieler hat noch keinen Beitritt angefragt
+NO_CONFIRMATION=§cKeine Zustimmung nötig

FightSystem_Core/src/de/steamwar/fightsystem/ai/AI.java

@@ -0,0 +1,294 @@
+/*
+ *   This file is a part of the SteamWar software.
+ *
+ *   Copyright (C) 2023  SteamWar.de-Serverteam
+ *
+ *   This program is free software: you can redistribute it and/or modify
+ *   it under the terms of the GNU Affero General Public License as published by
+ *   the Free Software Foundation, either version 3 of the License, or
+ *   (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ *   GNU Affero General Public License for more details.
+ *
+ *   You should have received a copy of the GNU Affero General Public License
+ *   along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package de.steamwar.fightsystem.ai;
+
+import de.steamwar.fightsystem.ArenaMode;
+import de.steamwar.fightsystem.Config;
+import de.steamwar.fightsystem.FightSystem;
+import de.steamwar.fightsystem.fight.Fight;
+import de.steamwar.fightsystem.fight.FightTeam;
+import de.steamwar.fightsystem.listener.Chat;
+import de.steamwar.fightsystem.states.FightState;
+import de.steamwar.fightsystem.states.OneShotStateDependent;
+import de.steamwar.fightsystem.utils.Region;
+import de.steamwar.sql.SchematicNode;
+import de.steamwar.sql.SteamwarUser;
+import org.bukkit.Bukkit;
+import org.bukkit.Location;
+import org.bukkit.Material;
+import org.bukkit.Note;
+import org.bukkit.block.Block;
+import org.bukkit.block.Lectern;
+import org.bukkit.block.data.BlockData;
+import org.bukkit.block.data.Openable;
+import org.bukkit.block.data.Powerable;
+import org.bukkit.block.data.type.Comparator;
+import org.bukkit.block.data.type.NoteBlock;
+import org.bukkit.block.data.type.Repeater;
+import org.bukkit.entity.EntityType;
+import org.bukkit.entity.LivingEntity;
+import org.bukkit.entity.Player;
+import org.bukkit.entity.Villager;
+import org.bukkit.event.player.PlayerTeleportEvent;
+import org.bukkit.scheduler.BukkitTask;
+import org.bukkit.util.Vector;
+
+import java.util.*;
+import java.util.logging.Level;
+
+public abstract class AI {
+
+    private static final Map<UUID, AI> ais = new HashMap<>();
+
+    static {
+        new OneShotStateDependent(ArenaMode.All, FightState.Spectate, () -> {
+            ais.values().forEach(AI::stop);
+            ais.clear();
+        });
+    }
+
+    public static AI getAI(UUID uuid) {
+        return ais.get(uuid);
+    }
+
+    private final FightTeam team;
+    private final LivingEntity entity;
+    private final BukkitTask task;
+    private final Queue<Action> queue = new ArrayDeque<>();
+
+    protected AI(FightTeam team, SteamwarUser user) {
+        this.team = team;
+
+        entity = (LivingEntity) Config.world.spawnEntity(Config.SpecSpawn, EntityType.VILLAGER);
+        entity.setCustomName(user.getUserName());
+        ((Villager)entity).setAware(false);
+
+        task = Bukkit.getScheduler().runTaskTimer(FightSystem.getPlugin(), this::run, 1, 1);
+        ais.put(entity.getUniqueId(), this);
+        team.addMember(entity, user);
+    }
+
+    public abstract SchematicNode chooseSchematic();
+
+    public boolean acceptJoinRequest(Player player, FightTeam team) {
+        return true;
+    }
+
+    protected abstract void plan();
+
+    public void stop() {
+        if(!entity.isDead())
+            entity.remove();
+
+        if(!task.isCancelled())
+            task.cancel();
+    }
+
+    public LivingEntity getEntity() {
+        return entity;
+    }
+
+    protected void setReady() {
+        if(FightState.getFightState() != FightState.POST_SCHEM_SETUP)
+            return;
+
+        if(team.getLeader().getEntity() != entity)
+            return;
+
+        team.setReady(true);
+    }
+
+    protected void chat(String message) {
+        FightSystem.getPlugin().getLogger().log(Level.INFO, () -> entity.getName() + "» " + message);
+        Chat.broadcastChat("PARTICIPANT_CHAT", team.getColoredName(), entity.getName(), message);
+    }
+
+    protected Vector getPosition() {
+        Location location = entity.getLocation();
+        Region extend = team.getExtendRegion();
+        if(Fight.getUnrotated() == team)
+            return new Vector(
+                    location.getX() - extend.getMinX(),
+                    location.getY() - team.getSchemRegion().getMinY(),
+                    location.getZ() - extend.getMinZ()
+            );
+        else
+            return new Vector(
+                    extend.getMaxX() - location.getX(),
+                    location.getY() - team.getSchemRegion().getMinY(),
+                    extend.getMaxZ() - location.getZ()
+            );
+    }
+
+    protected Material getBlock(Vector pos) {
+        queue.add(new Action(1));
+        return translate(pos, true).getBlock().getType();
+    }
+
+    protected boolean isPowered(Vector pos) {
+        queue.add(new Action(1));
+        return translate(pos, true).getBlock().isBlockPowered();
+    }
+
+    protected void setTNT(Vector pos) {
+        queue.add(new Action(1) {
+            @Override
+            public void run() {
+                if(FightState.getFightState() != FightState.RUNNING)
+                    return;
+
+                Location location = translate(pos, true);
+                if(interactionDistanceViolation(location))
+                    return;
+
+                Block block = location.getBlock();
+                if(block.getType() == Material.AIR)
+                    block.setType(Material.TNT);
+            }
+        });
+    }
+
+    protected void interact(Vector pos) {
+        queue.add(new Action(1) {
+            @Override
+            public void run() {
+                Location location = translate(pos, true);
+                if(interactionDistanceViolation(location))
+                    return;
+
+                interact(location.getBlock());
+            }
+        });
+    }
+
+    protected void interact(Vector pos, int n) {
+        queue.add(new Action(1) {
+           @Override
+           public void run() {
+               Location location = translate(pos, true);
+               if (interactionDistanceViolation(location))
+                   return;
+               Block block = location.getBlock();
+               BlockData data =  block.getBlockData();
+               if (data instanceof Repeater) {
+                   Repeater repeater = (Repeater) data;
+                   repeater.setDelay(n);
+               } else if (data instanceof Lectern) {
+                   Lectern lectern = (Lectern) data;
+                   lectern.setPage(n);
+               }
+               block.setBlockData(data);
+           }
+        });
+    }
+
+    protected void move(Vector pos) {
+        queue.add(new Action(2) {
+            @Override
+            public void run() {
+                Location location = entity.getLocation();
+                Location target = translate(pos, false);
+                if(Math.abs(location.getX() - target.getX()) > 1 || Math.abs(location.getY() - target.getY()) > 1.2 || Math.abs(location.getZ() - target.getZ()) > 1) {
+                    FightSystem.getPlugin().getLogger().log(Level.INFO, () -> entity.getName() + ": Overdistance movement " + location.toVector() + " " + target.toVector());
+                    return;
+                }
+
+                if(!team.getFightPlayer(entity).canEntern() && !team.getExtendRegion().inRegion(target))
+                    return;
+
+                entity.teleport(target, PlayerTeleportEvent.TeleportCause.COMMAND);
+            }
+        });
+    }
+
+    private boolean interactionDistanceViolation(Location location) {
+        return location.distance(entity.getEyeLocation()) > 5;
+    }
+
+    private void interact(Block block) {
+        BlockData data = block.getBlockData(); //TODO only 1.14+ compatible at the moment
+        if (data instanceof NoteBlock) {
+            NoteBlock noteBlock = (NoteBlock) data;
+            Note note = noteBlock.getNote();
+            noteBlock.setNote(note.isSharped() ? note.flattened() : note.sharped());
+        } else if (data instanceof Openable) {
+            Openable openable = (Openable) data;
+            openable.setOpen(!openable.isOpen());
+        } else if (data instanceof Comparator) {
+            Comparator comparator = (Comparator) data;
+            comparator.setMode(Comparator.Mode.values()[1 - comparator.getMode().ordinal()]);
+        } else if (data instanceof Powerable) {
+            Material type = block.getType();
+            Powerable powerable = (Powerable) data;
+            boolean isPowered = powerable.isPowered();
+
+            if(type.name().endsWith("BUTTON")) {
+                if(isPowered)
+                    return;
+
+                Bukkit.getScheduler().runTaskLater(FightSystem.getPlugin(), () -> {
+                    if(!block.getType().name().endsWith("BUTTON"))
+                        return;
+
+                    powerable.setPowered(false);
+                    block.setBlockData(powerable);
+                }, type.name().endsWith("STONE_BUTTON") ? 20 : 30);
+            }
+
+            powerable.setPowered(!isPowered);
+        }
+        block.setBlockData(data);
+    }
+
+    private void run() {
+        if(queue.isEmpty())
+            plan();
+
+        if(!queue.isEmpty() && --queue.peek().delay == 0)
+            queue.poll().run();
+    }
+
+    private Location translate(Vector pos, boolean blockPos) {
+        Region extend = team.getExtendRegion();
+        if(Fight.getUnrotated() == team)
+            return new Location(
+                    Config.world,
+                    pos.getX() + extend.getMinX(),
+                    pos.getY() + team.getSchemRegion().getMinY(),
+                    pos.getZ() + extend.getMinZ()
+            );
+        else
+            return new Location(
+                    Config.world,
+                    extend.getMaxX() - pos.getX() - (blockPos ? 1 : 0),
+                    pos.getY() + team.getSchemRegion().getMinY(),
+                    extend.getMaxZ() - pos.getZ() - (blockPos ? 1 : 0)
+            );
+    }
+
+    private static class Action {
+        private int delay;
+        public Action(int delay) {
+            this.delay = delay;
+        }
+
+        public void run() {}
+    }
+}

FightSystem_Core/src/de/steamwar/fightsystem/ai/LixfelAI.java

@@ -0,0 +1,60 @@
+/*
+ *   This file is a part of the SteamWar software.
+ *
+ *   Copyright (C) 2023  SteamWar.de-Serverteam
+ *
+ *   This program is free software: you can redistribute it and/or modify
+ *   it under the terms of the GNU Affero General Public License as published by
+ *   the Free Software Foundation, either version 3 of the License, or
+ *   (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ *   GNU Affero General Public License for more details.
+ *
+ *   You should have received a copy of the GNU Affero General Public License
+ *   along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package de.steamwar.fightsystem.ai;
+
+import de.steamwar.fightsystem.Config;
+import de.steamwar.fightsystem.fight.FightTeam;
+import de.steamwar.sql.SchematicNode;
+import de.steamwar.sql.SteamwarUser;
+import org.bukkit.util.Vector;
+
+import java.util.List;
+import java.util.Random;
+
+public class LixfelAI extends AI {
+
+    private final Random random = new Random();
+    private LixfelPathplanner pathplanner;
+
+    public LixfelAI(FightTeam team, String user) {
+        super(team, SteamwarUser.get(user));
+    }
+
+
+    @Override
+    public SchematicNode chooseSchematic() {
+        List<SchematicNode> publics = SchematicNode.getAllSchematicsOfType(0, Config.SchematicType.toDB());
+        SchematicNode schem = publics.get(new Random().nextInt(publics.size()));
+        pathplanner = new LixfelPathplanner(schem);
+        return schem;
+    }
+
+    @Override
+    protected void plan() {
+        setReady();
+        Vector destination = pathplanner.getWalkable().get(random.nextInt(pathplanner.getWalkable().size()));
+        List<Vector> path = pathplanner.plan(getPosition(), destination);
+        if(!path.isEmpty())
+            chat("Path size: " + path.size());
+        for(Vector p : path) {
+            move(p);
+        }
+    }
+}

FightSystem_Core/src/de/steamwar/fightsystem/ai/LixfelPathplanner.java

@@ -0,0 +1,141 @@
+/*
+ *   This file is a part of the SteamWar software.
+ *
+ *   Copyright (C) 2023  SteamWar.de-Serverteam
+ *
+ *   This program is free software: you can redistribute it and/or modify
+ *   it under the terms of the GNU Affero General Public License as published by
+ *   the Free Software Foundation, either version 3 of the License, or
+ *   (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ *   GNU Affero General Public License for more details.
+ *
+ *   You should have received a copy of the GNU Affero General Public License
+ *   along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package de.steamwar.fightsystem.ai;
+
+import com.sk89q.worldedit.extent.clipboard.Clipboard;
+import com.sk89q.worldedit.math.BlockVector3;
+import com.sk89q.worldedit.regions.Region;
+import com.sk89q.worldedit.world.block.BlockType;
+import de.steamwar.fightsystem.Config;
+import de.steamwar.sql.SchematicData;
+import de.steamwar.sql.SchematicNode;
+import org.bukkit.util.Vector;
+
+import java.io.IOException;
+import java.util.*;
+
+public class LixfelPathplanner {
+
+    private static BlockType getBlockType(Clipboard clipboard, BlockVector3 vector) {
+        return clipboard.getBlock(vector).getBlockType();
+    }
+
+    private static boolean nonsolid(Clipboard clipboard, BlockVector3 vector) {
+        return !getBlockType(clipboard, vector).getMaterial().isSolid();
+    }
+
+    private static Vector toBukkit(BlockVector3 vector) {
+        return new Vector(vector.getX() + 0.5, vector.getY(), vector.getZ() + 0.5);
+    }
+
+    private final List<Vector> walkable = new ArrayList<>();
+    private final Map<Vector, Vector[]> neighbours = new HashMap<>();
+
+    public LixfelPathplanner(SchematicNode schem) {
+        try {
+            fillWalkable(new SchematicData(schem).load());
+        } catch (IOException e) {
+            throw new IllegalStateException(e);
+        }
+    }
+
+    public List<Vector> getWalkable() {
+        return walkable;
+    }
+
+    private void fillWalkable(Clipboard clipboard) {
+        BlockVector3 min = clipboard.getRegion().getMinimumPoint().subtract(Config.PreperationArea, 0, Config.PreperationArea); //TODO assumes nonextended Schematic with maximal size
+        Region region = clipboard.getRegion();
+        clipboard.getRegion().forEach(vector -> {
+            BlockVector3 below = vector.subtract(0, 1, 0);
+            if(!region.contains(below))
+                return;
+
+            BlockType belowMaterial = getBlockType(clipboard, below);
+            BlockVector3 above = vector.add(0, 1, 0);
+            if(nonsolid(clipboard, vector)) {
+                if(
+                        (belowMaterial.getMaterial().isSolid() || belowMaterial.getId().equals("minecraft:ladder")) &&
+                                (!region.contains(above) || nonsolid(clipboard, above))
+                )
+                    walkable.add(toBukkit(vector.subtract(min)));
+            } else {
+                if(!region.contains(above))
+                    walkable.add(toBukkit(above.subtract(min)));
+            }
+        });
+
+        for(Vector vector : walkable) {
+            neighbours.put(vector, walkable.stream().filter(neighbour -> neighbouring(neighbour, vector)).filter(neighbour -> neighbour != vector).toArray(Vector[]::new));
+        }
+    }
+
+    public List<Vector> planToAnywhere(Vector start, Vector destination) {
+        Vector intermediate = walkable.stream().filter(vector -> neighbouring(vector, destination)).findAny().orElse(null);
+
+        if(intermediate == null)
+            return Collections.emptyList();
+
+        List<Vector> plan = plan(start, intermediate);
+        plan.add(destination);
+
+        return plan;
+    }
+
+    public List<Vector> plan(Vector start, Vector destination) {
+        if(neighbouring(start, destination))
+            return Collections.singletonList(destination);
+
+        Map<Vector, Vector> approach = new HashMap<>();
+        Set<Vector> checking = Collections.singleton(destination);
+
+        while(!checking.isEmpty()) {
+            Set<Vector> toCheck = new HashSet<>();
+            for(Vector current : checking) {
+                Vector firstStep = Arrays.stream(neighbours.get(current))
+                        .filter(vector -> !approach.containsKey(vector))
+                        .filter(next -> {
+                            approach.put(next, current);
+                            toCheck.add(next);
+                            return neighbouring(next, start);
+                        })
+                        .findAny().orElse(null);
+
+                if(firstStep != null) {
+                    List<Vector> path = new ArrayList<>();
+                    path.add(firstStep);
+
+                    while(path.get(path.size()-1) != destination) {
+                        path.add(approach.get(path.get(path.size()-1)));
+                    }
+
+                    return path;
+                }
+            }
+            checking = toCheck;
+        }
+
+        return Collections.emptyList();
+    }
+
+    private boolean neighbouring(Vector a, Vector b) {
+        return Math.abs(a.getX() - b.getX()) <= 1 && Math.abs(a.getY() - b.getY()) <= 1 && Math.abs(a.getZ() - b.getZ()) <= 1;
+    }
+}

FightSystem_Core/src/de/steamwar/fightsystem/commands/AcceptCommand.java

@@ -1,46 +0,0 @@
-/* 
-    This file is a part of the SteamWar software.
-    
-    Copyright (C) 2020  SteamWar.de-Serverteam
-
-    This program is free software: you can redistribute it and/or modify
-    it under the terms of the GNU Affero General Public License as published by
-    the Free Software Foundation, either version 3 of the License, or
-    (at your option) any later version.
-
-    This program is distributed in the hope that it will be useful,
-    but WITHOUT ANY WARRANTY; without even the implied warranty of
-    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-    GNU Affero General Public License for more details.
-
-    You should have received a copy of the GNU Affero General Public License
-    along with this program.  If not, see <https://www.gnu.org/licenses/>.
-*/
-
-package de.steamwar.fightsystem.commands;
-
-import de.steamwar.fightsystem.ArenaMode;
-import de.steamwar.fightsystem.states.FightState;
-import de.steamwar.fightsystem.states.StateDependentCommand;
-import org.bukkit.command.Command;
-import org.bukkit.command.CommandExecutor;
-import org.bukkit.command.CommandSender;
-import org.bukkit.entity.Player;
-
-public class AcceptCommand implements CommandExecutor {
-
-    public AcceptCommand() {
-        new StateDependentCommand(ArenaMode.VariableTeams, FightState.Setup, "accept", this);
-    }
-
-    @Override
-    public boolean onCommand(CommandSender sender, Command command, String label, String[] args) {
-        if(!(sender instanceof Player)) {
-            return false;
-        }
-        Player player = (Player) sender;
-
-        Commands.acceptInvitation(player);
-        return false;
-    }
-}

FightSystem_Core/src/de/steamwar/fightsystem/commands/AkCommand.java

@@ -26,7 +26,7 @@ import de.steamwar.fightsystem.fight.Kit;
 import de.steamwar.fightsystem.states.FightState;
 import de.steamwar.fightsystem.states.StateDependentCommand;
 import de.steamwar.sql.SteamwarUser;
-import de.steamwar.sql.UserGroup;
+import de.steamwar.sql.UserPerm;
 import org.bukkit.command.Command;
 import org.bukkit.command.CommandExecutor;
 import org.bukkit.command.CommandSender;
@@ -47,7 +47,7 @@ public class AkCommand implements CommandExecutor {
         if(!player.isOp())
             return false;
 
-        if(SteamwarUser.get(player.getUniqueId()).getUserGroup() != UserGroup.Developer && Core.getInstance() != FightSystem.getPlugin()){
+        if(!SteamwarUser.get(player.getUniqueId()).hasPerm(UserPerm.ADMINISTRATION) && Core.getInstance() != FightSystem.getPlugin()){
             return false;
         }
 

FightSystem_Core/src/de/steamwar/fightsystem/commands/CommandInjector.java

@@ -1,42 +0,0 @@
-/* 
-    This file is a part of the SteamWar software.
-    
-    Copyright (C) 2020  SteamWar.de-Serverteam
-
-    This program is free software: you can redistribute it and/or modify
-    it under the terms of the GNU Affero General Public License as published by
-    the Free Software Foundation, either version 3 of the License, or
-    (at your option) any later version.
-
-    This program is distributed in the hope that it will be useful,
-    but WITHOUT ANY WARRANTY; without even the implied warranty of
-    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-    GNU Affero General Public License for more details.
-
-    You should have received a copy of the GNU Affero General Public License
-    along with this program.  If not, see <https://www.gnu.org/licenses/>.
-*/
-
-package de.steamwar.fightsystem.commands;
-
-import org.bukkit.Bukkit;
-import org.bukkit.command.Command;
-import org.bukkit.command.SimpleCommandMap;
-
-import java.lang.reflect.Field;
-
-public class CommandInjector {
-
-    private CommandInjector(){}
-
-    private static final String PACKAGE_NAME = Bukkit.getServer().getClass().getPackage().getName();
-    private static final String VERSION = PACKAGE_NAME.substring(PACKAGE_NAME.lastIndexOf('.') + 1);
-
-    public static void injectCommand(Command cmd) throws Exception {
-        Class serverClass = Class.forName("org.bukkit.craftbukkit." + VERSION + ".CraftServer");
-        Field f1 = serverClass.getDeclaredField("commandMap");
-        f1.setAccessible(true);
-        SimpleCommandMap commandMap = (SimpleCommandMap) f1.get(Bukkit.getServer());
-        commandMap.register("BauSystem", cmd);
-    }
-}

FightSystem_Core/src/de/steamwar/fightsystem/commands/Commands.java

@@ -19,6 +19,7 @@
 
 package de.steamwar.fightsystem.commands;
 
+import com.comphenix.tinyprotocol.Reflection;
 import de.steamwar.fightsystem.Config;
 import de.steamwar.fightsystem.FightSystem;
 import de.steamwar.fightsystem.fight.Fight;
@@ -28,12 +29,20 @@ import de.steamwar.fightsystem.fight.Kit;
 import de.steamwar.fightsystem.states.FightState;
 import de.steamwar.sql.PersonalKit;
 import de.steamwar.sql.SteamwarUser;
+import lombok.experimental.UtilityClass;
 import net.md_5.bungee.api.ChatMessageType;
 import org.bukkit.Bukkit;
+import org.bukkit.command.Command;
+import org.bukkit.command.SimpleCommandMap;
 import org.bukkit.entity.Player;
 
+@UtilityClass
 public class Commands {
-    private Commands(){}
+
+    private static final Reflection.FieldAccessor<SimpleCommandMap> commandMap = Reflection.getField("{obc}.CraftServer", "commandMap", SimpleCommandMap.class);
+    public static void injectCommand(Command cmd) {
+        commandMap.get(Bukkit.getServer()).register("FightSystem", cmd);
+    }
 
     private static void errNoTeam(Player p){
         FightSystem.getMessage().sendPrefixless("NO_TEAM", p, ChatMessageType.ACTION_BAR);
@@ -47,14 +56,6 @@ public class Commands {
         return false;
     }
 
-    private static FightTeam checkGetInvitedTeam(Player p){
-        FightTeam fightTeam = Fight.getInvitedTeam(p);
-        if(fightTeam == null){
-            FightSystem.getMessage().sendPrefixless("NO_INVITATION", p, ChatMessageType.ACTION_BAR);
-        }
-        return fightTeam;
-    }
-
     private static FightPlayer checkGetPlayer(Player p){
         FightPlayer fightPlayer = Fight.getFightPlayer(p);
         if(fightPlayer == null){
@@ -104,30 +105,6 @@ public class Commands {
         fightTeam.skip();
     }
 
-    static void acceptInvitation(Player p){
-        if(checkSetup(p))
-            return;
-
-        FightTeam team = checkGetInvitedTeam(p);
-        if(team == null)
-            return;
-
-        team.addMember(p);
-    }
-
-    static void declineInvitation(Player p){
-        if(checkSetup(p))
-            return;
-
-        FightTeam team = checkGetInvitedTeam(p);
-        if(team == null)
-            return;
-
-        FightSystem.getMessage().sendPrefixless("INVITATION_DECLINED", p, ChatMessageType.ACTION_BAR);
-        team.broadcast("INVITATION_DECLINED_TEAM", p.getName());
-        team.getInvited().remove(p);
-    }
-
     static void leaveTeam(Player p){
         if(checkSetup(p))
             return;
@@ -139,37 +116,6 @@ public class Commands {
         fightTeam.removePlayer(p);
     }
 
-    static void invite(Player p, String invited){
-        if(checkSetup(p))
-            return;
-
-        FightTeam fightTeam = checkGetTeam(p);
-        if(fightTeam == null)
-            return;
-
-        FightPlayer fightPlayer = checkGetLeader(p);
-        if(fightPlayer == null)
-            return;
-
-        Player target = checkGetPlayer(p, invited);
-        if(target == null)
-            return;
-
-        if(Fight.getPlayerTeam(target) != null) {
-            FightSystem.getMessage().sendPrefixless("PLAYER_IN_TEAM", p, ChatMessageType.ACTION_BAR, target.getName());
-            return;
-        }
-
-        if(Fight.getOpposite(fightTeam).getInvited().contains(target) || fightTeam.getInvited().contains(target)) {
-            FightSystem.getMessage().sendPrefixless("ALREADY_INVITED", p, ChatMessageType.ACTION_BAR, target.getName());
-            return;
-        }
-
-        FightSystem.getMessage().sendPrefixless("INVITATION_SENT", p, ChatMessageType.ACTION_BAR, target.getName());
-        fightTeam.getInvited().add(target);
-        GUI.invitation(p, target);
-    }
-
     static void kick(Player p, String kicked){
         if(checkSetup(p))
             return;

FightSystem_Core/src/de/steamwar/fightsystem/commands/DeclineCommand.java

@@ -1,46 +0,0 @@
-/* 
-    This file is a part of the SteamWar software.
-    
-    Copyright (C) 2020  SteamWar.de-Serverteam
-
-    This program is free software: you can redistribute it and/or modify
-    it under the terms of the GNU Affero General Public License as published by
-    the Free Software Foundation, either version 3 of the License, or
-    (at your option) any later version.
-
-    This program is distributed in the hope that it will be useful,
-    but WITHOUT ANY WARRANTY; without even the implied warranty of
-    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-    GNU Affero General Public License for more details.
-
-    You should have received a copy of the GNU Affero General Public License
-    along with this program.  If not, see <https://www.gnu.org/licenses/>.
-*/
-
-package de.steamwar.fightsystem.commands;
-
-import de.steamwar.fightsystem.ArenaMode;
-import de.steamwar.fightsystem.states.FightState;
-import de.steamwar.fightsystem.states.StateDependentCommand;
-import org.bukkit.command.Command;
-import org.bukkit.command.CommandExecutor;
-import org.bukkit.command.CommandSender;
-import org.bukkit.entity.Player;
-
-public class DeclineCommand implements CommandExecutor {
-
-    public DeclineCommand() {
-        new StateDependentCommand(ArenaMode.VariableTeams, FightState.Setup, "decline", this);
-    }
-
-    @Override
-    public boolean onCommand(CommandSender sender, Command command, String label, String[] args) {
-        if(!(sender instanceof Player)) {
-            return false;
-        }
-        Player player = (Player) sender;
-
-        Commands.declineInvitation(player);
-        return false;
-    }
-}

FightSystem_Core/src/de/steamwar/fightsystem/commands/GUI.java

@@ -19,18 +19,18 @@
 
 package de.steamwar.fightsystem.commands;
 
+import de.steamwar.fightsystem.ArenaMode;
 import de.steamwar.fightsystem.Config;
 import de.steamwar.fightsystem.FightSystem;
-import de.steamwar.fightsystem.fight.Fight;
-import de.steamwar.fightsystem.fight.FightPlayer;
-import de.steamwar.fightsystem.fight.FightTeam;
-import de.steamwar.fightsystem.fight.Kit;
+import de.steamwar.fightsystem.fight.*;
 import de.steamwar.fightsystem.listener.PersonalKitCreator;
 import de.steamwar.fightsystem.states.FightState;
+import de.steamwar.fightsystem.utils.ColorConverter;
 import de.steamwar.inventory.*;
 import de.steamwar.message.Message;
 import de.steamwar.sql.PersonalKit;
 import de.steamwar.sql.SchematicNode;
+import de.steamwar.sql.SchematicType;
 import de.steamwar.sql.SteamwarUser;
 import net.md_5.bungee.api.ChatMessageType;
 import org.bukkit.Bukkit;
@@ -47,23 +47,28 @@ public class GUI {
 
     private static final Message msg = FightSystem.getMessage();
 
-    static void invitation(Player p, Player target){
-        SWInventory inv = new SWInventory(target, 9, msg.parse("INVITATION_TITLE", target, p.getName()));
-        inv.setItem(0, SWItem.getDye(10), (byte)10, msg.parse("INVITATION_ACCEPT", target), (ClickType click) ->{
-            Commands.acceptInvitation(target);
-            target.closeInventory();
+    @SuppressWarnings("deprecation")
+    private static void addTeamRequest(Player p, SWInventory inv, int pos, FightTeam team) {
+        byte colorCode = ColorConverter.chat2dye(team.getColor()).getDyeData();
+        String name = team.getLeader() != null ? team.getLeader().getEntity().getName() : team.getName();
+        inv.setItem(pos, SWItem.getDye(colorCode), colorCode, msg.parse("JOIN_REQUEST_TEAM", p, team.getColor() + name), click -> {
+            p.closeInventory();
+            new JoinRequest(p, team);
         });
-        inv.setItem(8, SWItem.getDye(1), (byte)1, msg.parse("INVITATION_DECLINE", target), (ClickType click) ->{
-            Commands.declineInvitation(target);
-            target.closeInventory();
-        });
-        inv.addCloseCallback((ClickType click) ->{
-            if(Fight.getInvitedTeam(target) != null){
-                msg.sendPrefixless("INVITATION_CHAT_ACCEPT", target);
-                msg.sendPrefixless("INVITATION_CHAT_DECLINE", target);
-            }
-        });
-        inv.setCallback(-999, (ClickType click) -> target.closeInventory());
+    }
+
+    public static void joinRequest(Player p) {
+        if(JoinRequest.get(p) != null) {
+            msg.sendPrefixless("JOIN_REQUEST_ALREADY", p, ChatMessageType.ACTION_BAR);
+            return;
+        }
+
+        SWInventory inv = new SWInventory(p, 9, msg.parse("JOIN_REQUEST_TITLE", p));
+        FightTeam team = Fight.getPlayerTeam(p);
+        if(team != Fight.getRedTeam())
+            addTeamRequest(p, inv, team == null ? 0 : 4, Fight.getBlueTeam());
+        if(team != Fight.getBlueTeam())
+            addTeamRequest(p, inv, team == null ? 8 : 4, Fight.getRedTeam());
         inv.open();
     }
 
@@ -84,12 +89,11 @@ public class GUI {
         inv.open();
     }
 
-    public static void chooseInvitation(Player p){
-        List<SWListInv.SWListEntry<UUID>> players = SWListInv.createPlayerList(p.getUniqueId());
-        players.removeIf(swItemUUIDPair -> Fight.getFightPlayer(Bukkit.getPlayer(swItemUUIDPair.getObject())) != null);
-        SWListInv<UUID> inv = new SWListInv<>(p, msg.parse("INVITE_TITLE", p), players, (ClickType click, UUID player) -> {
-            Commands.invite(p, SteamwarUser.get(player).getUserName());
+    public static void chooseJoinRequests(Player p){
+        List<SWListInv.SWListEntry<Player>> players = JoinRequest.openRequests(p, Fight.getPlayerTeam(p));
+        SWListInv<Player> inv = new SWListInv<>(p, msg.parse("REQUESTS_TITLE", p), players, (ClickType click, Player player) -> {
             p.closeInventory();
+            RequestsCommand.onJoinRequest(p, player, click.isLeftClick() ? JoinRequest::accept : JoinRequest::decline);
         });
         inv.setCallback(-999, (ClickType click) -> p.closeInventory());
         inv.open();
@@ -166,27 +170,47 @@ public class GUI {
             return;
         }
 
-        SWInventory inv = new SWInventory(p, 9, msg.parse("SCHEM_TITLE", p, Config.GameName));
-        inv.setItem(8, Material.REDSTONE, msg.parse("SCHEM_PUBLIC", p, Config.GameName), (ClickType click) -> {
-            p.closeInventory();
-            schemDialog(p, true);
-        });
-        if(Fight.getMaxRank() == 0){
-            inv.setItem(0, SWItem.getDye(8), (byte)8, msg.parse("SCHEM_PRIVATE_FORBIDDEN", p, Config.GameName), (ClickType click)->{});
-        }else if(SchematicNode.getAllAccessibleSchematicsOfType(SteamwarUser.get(p.getUniqueId()).getId(), Config.SchematicType.toDB()).isEmpty() && !Config.test()){
-            inv.setItem(0, SWItem.getDye(8), (byte)8, msg.parse("SCHEM_NO_PRIVATE", p, Config.GameName), (ClickType click)->{});
-        }else{
-            inv.setItem(0, SWItem.getMaterial("CAULDRON_ITEM"), msg.parse("SCHEM_PRIVATE", p, Config.GameName), (ClickType click) -> {
-                p.closeInventory();
-                schemDialog(p, false);
-            });
+        int invSize = (Config.SubTypes.size() + 1) * 9;
+        SWInventory inv = new SWInventory(p, invSize, msg.parse("SCHEM_TITLE", p, Config.GameName));
+        setupSchemTypeRow(p, inv, Config.SchematicType, 0);
+        for (int i = 0; i < Config.SubTypes.size(); i++) {
+            setupSchemTypeRow(p, inv, Config.SubTypes.get(i), i + 1);
         }
         inv.setCallback(-999, (ClickType click) -> p.closeInventory());
         inv.open();
     }
 
-    private static void schemDialog(Player p, boolean publicSchems){
-        SchematicSelector selector = new SchematicSelector(p, Config.test()?SchematicSelector.selectSchematic():SchematicSelector.selectSchematicTypeWithRank(Config.SchematicType, Fight.getMaxRank()), node -> {
+    private static void setupSchemTypeRow(Player p, SWInventory inv, SchematicType type, int row) {
+        inv.setItem(row * 9 + 8, Material.REDSTONE, msg.parse("SCHEM_PUBLIC", p, type.name()), (ClickType click) -> {
+            p.closeInventory();
+            schemDialog(p, type, true, false);
+        });
+
+        if (Fight.publicOnly()) {
+            inv.setItem(row * 9, SWItem.getDye(8), (byte)8, msg.parse("SCHEM_PRIVATE_FORBIDDEN", p, type.name()), (ClickType click)->{});
+            return;
+        }
+
+        if (type.checkType() != null && type.checkType() != type && ArenaMode.AntiEvent.contains(Config.mode) && !SchematicNode.getAllAccessibleSchematicsOfType(SteamwarUser.get(p.getUniqueId()).getId(), type.checkType().toDB()).isEmpty()) {
+            inv.setItem(row * 9 + 4, Material.ANVIL, msg.parse("SCHEM_UNCHECKED", p, type.name()), (ClickType click) -> {
+                p.closeInventory();
+                schemDialog(p, type, false, true);
+            });
+        }
+
+        if (SchematicNode.getAllAccessibleSchematicsOfType(SteamwarUser.get(p.getUniqueId()).getId(), type.toDB()).isEmpty() && !Config.test()) {
+            inv.setItem(row * 9, SWItem.getDye(8), (byte)8, msg.parse("SCHEM_NO_PRIVATE", p, type.name()), (ClickType click)->{});
+            return;
+        }
+
+        inv.setItem(row * 9, SWItem.getMaterial("CAULDRON_ITEM"), msg.parse("SCHEM_PRIVATE", p, type.name()), (ClickType click) -> {
+            p.closeInventory();
+            schemDialog(p, type, false, false);
+        });
+    }
+
+    private static void schemDialog(Player p, SchematicType type, boolean publicSchems, boolean unchecked){
+        SchematicSelector selector = new SchematicSelector(p, Config.test() ? SchematicSelector.selectSchematic() : SchematicSelector.selectSchematicType(unchecked ? type.checkType() : type), node -> {
             FightTeam fightTeam = Fight.getPlayerTeam(p);
             if(fightTeam == null)
                 return;

FightSystem_Core/src/de/steamwar/fightsystem/commands/GamemodeCommand.java

@@ -47,10 +47,10 @@ public class GamemodeCommand extends BukkitCommand {
 
         try {
             CommandRemover.removeAll("gamemode");
-            CommandInjector.injectCommand(this);
         } catch (Exception e) {
             FightSystem.getPlugin().getLogger().log(Level.SEVERE, "Failed to replace commands", e);
         }
+        Commands.injectCommand(this);
     }
 
     @Override

FightSystem_Core/src/de/steamwar/fightsystem/commands/InfoCommand.java

@@ -0,0 +1,64 @@
+/*
+ *   This file is a part of the SteamWar software.
+ *
+ *   Copyright (C) 2023  SteamWar.de-Serverteam
+ *
+ *   This program is free software: you can redistribute it and/or modify
+ *   it under the terms of the GNU Affero General Public License as published by
+ *   the Free Software Foundation, either version 3 of the License, or
+ *   (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ *   GNU Affero General Public License for more details.
+ *
+ *   You should have received a copy of the GNU Affero General Public License
+ *   along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package de.steamwar.fightsystem.commands;
+
+import de.steamwar.fightsystem.ArenaMode;
+import de.steamwar.fightsystem.FightSystem;
+import de.steamwar.fightsystem.fight.Fight;
+import de.steamwar.fightsystem.fight.FightTeam;
+import de.steamwar.fightsystem.states.FightState;
+import de.steamwar.fightsystem.states.StateDependentCommand;
+import de.steamwar.fightsystem.utils.FightStatistics;
+import de.steamwar.sql.SchematicNode;
+import de.steamwar.sql.SteamwarUser;
+import de.steamwar.sql.UserPerm;
+import org.bukkit.command.Command;
+import org.bukkit.command.CommandExecutor;
+import org.bukkit.command.CommandSender;
+import org.bukkit.entity.Player;
+
+public class InfoCommand implements CommandExecutor {
+
+    public InfoCommand() {
+        new StateDependentCommand(ArenaMode.All, FightState.All, "fightinfo", this);
+    }
+
+    @Override
+    public boolean onCommand(CommandSender sender, Command command, String label, String[] args) {
+        if(!(sender instanceof Player))
+            return false;
+
+        Player player = (Player) sender;
+        if(!SteamwarUser.get(player.getUniqueId()).hasPerm(UserPerm.CHECK))
+            return false;
+
+        FightSystem.getMessage().send("INFO_RANKED", player, !FightStatistics.isUnranked());
+        for(FightTeam team : Fight.teams()) {
+            if(!team.isLeaderless())
+                FightSystem.getMessage().send("INFO_LEADER", player, team.getColoredName(), team.getLeader().getEntity().getName());
+
+            if(team.getSchematic() != 0) {
+                SchematicNode schematic = SchematicNode.getSchematicNode(team.getSchematic());
+                FightSystem.getMessage().send("INFO_SCHEMATIC", player, team.getColoredName(), schematic.getName(), SteamwarUser.get(schematic.getOwner()).getUserName(), schematic.getRank());
+            }
+        }
+        return false;
+    }
+}

FightSystem_Core/src/de/steamwar/fightsystem/commands/LeaderCommand.java

@@ -34,7 +34,7 @@ import org.bukkit.entity.Player;
 public class LeaderCommand implements CommandExecutor {
 
     public LeaderCommand() {
-        new StateDependentCommand(ArenaMode.VariableTeams, FightState.Setup, "leader", this);
+        new StateDependentCommand(ArenaMode.ManualTeams, FightState.Setup, "leader", this);
     }
 
     @Override

FightSystem_Core/src/de/steamwar/fightsystem/commands/LockschemCommand.java

@@ -25,10 +25,7 @@ import de.steamwar.fightsystem.fight.Fight;
 import de.steamwar.fightsystem.fight.FightTeam;
 import de.steamwar.fightsystem.states.FightState;
 import de.steamwar.fightsystem.states.StateDependentCommand;
-import de.steamwar.sql.SchematicNode;
-import de.steamwar.sql.SchematicType;
-import de.steamwar.sql.SteamwarUser;
-import de.steamwar.sql.UserGroup;
+import de.steamwar.sql.*;
 import net.md_5.bungee.api.ChatMessageType;
 import org.bukkit.command.Command;
 import org.bukkit.command.CommandExecutor;
@@ -38,7 +35,7 @@ import org.bukkit.entity.Player;
 public class LockschemCommand implements CommandExecutor {
 
     public LockschemCommand() {
-        new StateDependentCommand(ArenaMode.AntiReplay, FightState.All, "lockschem", this);
+        new StateDependentCommand(ArenaMode.All, FightState.Schem, "lockschem", this);
     }
 
     @Override
@@ -47,13 +44,9 @@ public class LockschemCommand implements CommandExecutor {
             return false;
         Player player = (Player) sender;
 
-        SteamwarUser steamwarUser = SteamwarUser.get(player.getUniqueId());
-        UserGroup userGroup = steamwarUser.getUserGroup();
-
-        if(!userGroup.isCheckSchematics())
+        if(!SteamwarUser.get(player.getUniqueId()).hasPerm(UserPerm.CHECK))
             return false;
 
-
         if(args.length != 1) {
             FightSystem.getMessage().sendPrefixless("LOCKSCHEM_HELP", player);
             return false;

FightSystem_Core/src/de/steamwar/fightsystem/commands/RequestsCommand.java

@@ -21,6 +21,10 @@ package de.steamwar.fightsystem.commands;
 
 import de.steamwar.fightsystem.ArenaMode;
 import de.steamwar.fightsystem.FightSystem;
+import de.steamwar.fightsystem.fight.Fight;
+import de.steamwar.fightsystem.fight.FightPlayer;
+import de.steamwar.fightsystem.fight.FightTeam;
+import de.steamwar.fightsystem.fight.JoinRequest;
 import de.steamwar.fightsystem.states.FightState;
 import de.steamwar.fightsystem.states.StateDependentCommand;
 import org.bukkit.command.Command;
@@ -28,25 +32,46 @@ import org.bukkit.command.CommandExecutor;
 import org.bukkit.command.CommandSender;
 import org.bukkit.entity.Player;
 
-public class InviteCommand implements CommandExecutor {
+import java.util.function.BiConsumer;
 
-    public InviteCommand() {
-        new StateDependentCommand(ArenaMode.VariableTeams, FightState.Setup, "invite", this);
+public class RequestsCommand implements CommandExecutor {
+
+    public RequestsCommand() {
+        new StateDependentCommand(ArenaMode.VariableTeams, FightState.AntiSpectate, "request", this);
+        new StateDependentCommand(ArenaMode.VariableTeams, FightState.AntiSpectate, "requests", this);
     }
 
     @Override
     public boolean onCommand(CommandSender sender, Command command, String label, String[] args) {
-        if(!(sender instanceof Player)) {
+        if(!(sender instanceof Player))
             return false;
-        }
         Player player = (Player) sender;
-
-        if(args.length != 1){
-            FightSystem.getMessage().sendPrefixless("INVITE_HELP", player);
+        FightPlayer fp = Fight.getFightPlayer(player);
+        if(fp == null || !(fp.isLeader() || fp.isLiving())) {
+            GUI.joinRequest(player);
             return false;
         }
 
-        Commands.invite(player, args[0]);
+        if(Commands.checkGetLeader(player) == null)
+            return false;
+
+        GUI.chooseJoinRequests(player);
         return false;
     }
+
+    public static void onJoinRequest(Player player, Player target, BiConsumer<JoinRequest, FightTeam> handleJoinRequest) {
+        JoinRequest request = JoinRequest.get(target);
+        if(request == null) {
+            FightSystem.getMessage().send("NO_JOIN_REQUEST", player);
+            return;
+        }
+
+        FightTeam team = Fight.getPlayerTeam(player);
+        if(!request.required(team)) {
+            FightSystem.getMessage().send("NO_CONFIRMATION", player);
+            return;
+        }
+
+        handleJoinRequest.accept(request, team);
+    }
 }

FightSystem_Core/src/de/steamwar/fightsystem/commands/TPSWarpCommand.java

@@ -0,0 +1,52 @@
+/*
+ *   This file is a part of the SteamWar software.
+ *
+ *   Copyright (C) 2023  SteamWar.de-Serverteam
+ *
+ *   This program is free software: you can redistribute it and/or modify
+ *   it under the terms of the GNU Affero General Public License as published by
+ *   the Free Software Foundation, either version 3 of the License, or
+ *   (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ *   GNU Affero General Public License for more details.
+ *
+ *   You should have received a copy of the GNU Affero General Public License
+ *   along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package de.steamwar.fightsystem.commands;
+
+import de.steamwar.core.TPSWarpUtils;
+import de.steamwar.fightsystem.ArenaMode;
+import de.steamwar.fightsystem.FightSystem;
+import de.steamwar.fightsystem.states.FightState;
+import de.steamwar.fightsystem.states.StateDependentCommand;
+import org.bukkit.command.Command;
+import org.bukkit.command.CommandExecutor;
+import org.bukkit.command.CommandSender;
+
+public class TPSWarpCommand implements CommandExecutor {
+
+    public TPSWarpCommand() {
+        new StateDependentCommand(ArenaMode.Prepare, FightState.PostSchemSetup, "tpswarp", this);
+        new StateDependentCommand(ArenaMode.Prepare, FightState.PostSchemSetup, "tpslimit", this);
+    }
+
+    @Override
+    public boolean onCommand(CommandSender sender, Command command, String label, String[] args) {
+        double tps;
+        try {
+            tps = Double.parseDouble(args[0]);
+        } catch (NumberFormatException | ArrayIndexOutOfBoundsException e) {
+            FightSystem.getMessage().send("TPSWARP_HELP", sender);
+            return false;
+        }
+
+        TPSWarpUtils.warp(tps);
+        FightSystem.getMessage().broadcastActionbar("TPSWARP_SET", tps);
+        return false;
+    }
+}

FightSystem_Core/src/de/steamwar/fightsystem/countdown/Countdown.java

@@ -83,8 +83,6 @@ public abstract class Countdown {
         }
 
         for(Countdown countdown : new ArrayList<>(currentCountdowns)) {
-            if(countdown.time - smallestTime <= 1)
-                countdown.prepareFinish();
             countdown.time -= smallestTime;
             countdown.show();
         }
@@ -104,8 +102,6 @@ public abstract class Countdown {
         Bukkit.getOnlinePlayers().forEach(p -> sendCountdownMessage(p, message, time / divisor, appendix));
     }
 
-    protected void prepareFinish() {}
-
     public int getTimeLeft(){
         return time;
     }
@@ -124,7 +120,6 @@ public abstract class Countdown {
                 broadcast("COUNTDOWN_SECONDS", 1);
                 break;
             case 1:
-                prepareFinish();
                 broadcast("COUNTDOWN_SECOND", 1);
                 break;
             case 0:

FightSystem_Core/src/de/steamwar/fightsystem/countdown/EnternCountdown.java

@@ -21,39 +21,57 @@ package de.steamwar.fightsystem.countdown;
 
 import de.steamwar.fightsystem.Config;
 import de.steamwar.fightsystem.FightSystem;
+import de.steamwar.fightsystem.events.BoardingEvent;
+import de.steamwar.fightsystem.fight.Fight;
 import de.steamwar.fightsystem.fight.FightPlayer;
 import de.steamwar.fightsystem.utils.Message;
+import de.steamwar.fightsystem.utils.Region;
 import de.steamwar.fightsystem.utils.SWSound;
 import de.steamwar.techhider.ProtocolUtils;
 import net.md_5.bungee.api.ChatMessageType;
+import org.bukkit.Bukkit;
 
 import java.util.List;
 
 public class EnternCountdown extends Countdown {
 
+    private static int calcTime(FightPlayer fp, Countdown countdown) {
+        int time = Config.EnterStages.get(fp.getKit().getEnterStage());
+
+        if(countdown != null) {
+            time -= Config.TimeoutTime - countdown.getTimeLeft();
+
+            if(time < 0)
+                time = 0;
+        }
+
+        return time;
+    }
+
     private final FightPlayer fightPlayer;
     private List<ProtocolUtils.ChunkPos> chunkPos;
 
-    public EnternCountdown(FightPlayer fp) {
-        super(Config.EnterStages.get(fp.getKit().getEnterStage()), new Message("ENTERN_COUNTDOWN"), SWSound.BLOCK_NOTE_PLING, false);
+    public EnternCountdown(FightPlayer fp, Countdown countdown) {
+        super(calcTime(fp, countdown), new Message("ENTERN_COUNTDOWN"), SWSound.BLOCK_NOTE_PLING, false);
         fightPlayer = fp;
         enable();
     }
 
     @Override
     public void countdownFinished() {
-        FightSystem.getMessage().sendPrefixless("ENTERN_ALLOWED", fightPlayer.getPlayer(), ChatMessageType.ACTION_BAR);
-        FightSystem.getTechHider().reloadChunks(fightPlayer.getPlayer(), chunkPos, false);
-    }
-
-    @Override
-    protected void prepareFinish() {
-        chunkPos = FightSystem.getTechHider().prepareChunkReload(fightPlayer.getPlayer(), false);
+        Bukkit.getPluginManager().callEvent(new BoardingEvent(fightPlayer));
+        FightSystem.getMessage().sendPrefixless("ENTERN_ALLOWED", fightPlayer.getEntity(), ChatMessageType.ACTION_BAR);
+        fightPlayer.ifPlayer(player -> {
+            FightSystem.getHullHider().updatePlayer(player);
+            FightSystem.getTechHider().reloadChunks(player, Fight.getOpposite(fightPlayer.getTeam()).getExtendRegion(), Region.EMPTY);
+        });
     }
 
     @Override
     protected void broadcast(String message, int divisor) {
-        fightPlayer.getPlayer().playSound(fightPlayer.getPlayer().getLocation(), sound, 100.0f, 1.0f);
-        sendCountdownMessage(fightPlayer.getPlayer(), message, time / divisor, appendix);
+        fightPlayer.ifPlayer(player -> {
+            player.playSound(player.getLocation(), sound, 100.0f, 1.0f);
+            sendCountdownMessage(player, message, time / divisor, appendix);
+        });
     }
 }

FightSystem_Core/src/de/steamwar/fightsystem/event/PersistentDamage.java

@@ -0,0 +1,49 @@
+/*
+ *   This file is a part of the SteamWar software.
+ *
+ *   Copyright (C) 2023  SteamWar.de-Serverteam
+ *
+ *   This program is free software: you can redistribute it and/or modify
+ *   it under the terms of the GNU Affero General Public License as published by
+ *   the Free Software Foundation, either version 3 of the License, or
+ *   (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ *   GNU Affero General Public License for more details.
+ *
+ *   You should have received a copy of the GNU Affero General Public License
+ *   along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package de.steamwar.fightsystem.event;
+
+import com.sk89q.worldedit.WorldEditException;
+import de.steamwar.fightsystem.ArenaMode;
+import de.steamwar.fightsystem.Config;
+import de.steamwar.fightsystem.FightSystem;
+import de.steamwar.fightsystem.fight.Fight;
+import de.steamwar.fightsystem.states.FightState;
+import de.steamwar.fightsystem.states.OneShotStateDependent;
+import de.steamwar.fightsystem.utils.WorldeditWrapper;
+import de.steamwar.fightsystem.winconditions.Winconditions;
+import de.steamwar.sql.SchematicNode;
+
+import java.util.logging.Level;
+
+public class PersistentDamage {
+
+    public PersistentDamage() {
+        if(!ArenaMode.SeriousFight.contains(Config.mode))
+            return;
+
+        new OneShotStateDependent(Winconditions.PERSISTENT_DAMAGE, FightState.Spectate, () -> Fight.teams().forEach(team -> {
+            try{
+                WorldeditWrapper.impl.saveSchem(SchematicNode.getSchematicNode(team.getSchematic()), team.getExtendRegion(), team.getSchemRegion().getMinY());
+            }catch(WorldEditException e){
+                FightSystem.getPlugin().getLogger().log(Level.SEVERE, "Could not persist schematic state", e);
+            }
+        }));
+    }
+}

FightSystem_Core/src/de/steamwar/fightsystem/event/TNTDistributor.java

@@ -0,0 +1,39 @@
+/*
+ *   This file is a part of the SteamWar software.
+ *
+ *   Copyright (C) 2023  SteamWar.de-Serverteam
+ *
+ *   This program is free software: you can redistribute it and/or modify
+ *   it under the terms of the GNU Affero General Public License as published by
+ *   the Free Software Foundation, either version 3 of the License, or
+ *   (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ *   GNU Affero General Public License for more details.
+ *
+ *   You should have received a copy of the GNU Affero General Public License
+ *   along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package de.steamwar.fightsystem.event;
+
+import de.steamwar.fightsystem.fight.Fight;
+import de.steamwar.fightsystem.states.FightState;
+import de.steamwar.fightsystem.states.StateDependentTask;
+import de.steamwar.fightsystem.winconditions.Winconditions;
+import org.bukkit.Material;
+import org.bukkit.inventory.ItemStack;
+
+public class TNTDistributor {
+
+    public TNTDistributor() {
+        new StateDependentTask(Winconditions.TNT_DISTRIBUTION, FightState.Running, () -> Fight.teams().forEach(team -> team.getPlayers().forEach(fp -> {
+            if(!fp.isLiving())
+                return;
+
+            fp.ifPlayer(player -> player.getInventory().addItem(new ItemStack(Material.TNT, 20)));
+        })), 300, 300);
+    }
+}

FightSystem_Core/src/de/steamwar/fightsystem/events/BoardingEvent.java

@@ -0,0 +1,40 @@
+/*
+ *   This file is a part of the SteamWar software.
+ *
+ *   Copyright (C) 2024  SteamWar.de-Serverteam
+ *
+ *   This program is free software: you can redistribute it and/or modify
+ *   it under the terms of the GNU Affero General Public License as published by
+ *   the Free Software Foundation, either version 3 of the License, or
+ *   (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ *   GNU Affero General Public License for more details.
+ *
+ *   You should have received a copy of the GNU Affero General Public License
+ *   along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package de.steamwar.fightsystem.events;
+
+import de.steamwar.fightsystem.fight.FightPlayer;
+import lombok.AllArgsConstructor;
+import lombok.Getter;
+import org.bukkit.event.Event;
+import org.bukkit.event.HandlerList;
+
+@Getter
+@AllArgsConstructor
+public class BoardingEvent extends Event {
+    @Getter
+    private static final HandlerList handlerList = new HandlerList();
+
+    private final FightPlayer fightPlayer;
+
+    @Override
+    public HandlerList getHandlers() {
+        return handlerList;
+    }
+}

FightSystem_Core/src/de/steamwar/fightsystem/events/TeamDeathEvent.java

@@ -0,0 +1,40 @@
+/*
+ *   This file is a part of the SteamWar software.
+ *
+ *   Copyright (C) 2024  SteamWar.de-Serverteam
+ *
+ *   This program is free software: you can redistribute it and/or modify
+ *   it under the terms of the GNU Affero General Public License as published by
+ *   the Free Software Foundation, either version 3 of the License, or
+ *   (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ *   GNU Affero General Public License for more details.
+ *
+ *   You should have received a copy of the GNU Affero General Public License
+ *   along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package de.steamwar.fightsystem.events;
+
+import de.steamwar.fightsystem.fight.FightPlayer;
+import lombok.AllArgsConstructor;
+import lombok.Getter;
+import org.bukkit.event.Event;
+import org.bukkit.event.HandlerList;
+
+@Getter
+@AllArgsConstructor
+public class TeamDeathEvent extends Event {
+    @Getter
+    private static final HandlerList handlerList = new HandlerList();
+
+    private final FightPlayer fightPlayer;
+
+    @Override
+    public HandlerList getHandlers() {
+        return handlerList;
+    }
+}

FightSystem_Core/src/de/steamwar/fightsystem/events/TeamLeaveEvent.java

@@ -0,0 +1,40 @@
+/*
+ *   This file is a part of the SteamWar software.
+ *
+ *   Copyright (C) 2024  SteamWar.de-Serverteam
+ *
+ *   This program is free software: you can redistribute it and/or modify
+ *   it under the terms of the GNU Affero General Public License as published by
+ *   the Free Software Foundation, either version 3 of the License, or
+ *   (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ *   GNU Affero General Public License for more details.
+ *
+ *   You should have received a copy of the GNU Affero General Public License
+ *   along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package de.steamwar.fightsystem.events;
+
+import de.steamwar.fightsystem.fight.FightPlayer;
+import lombok.AllArgsConstructor;
+import lombok.Getter;
+import org.bukkit.event.Event;
+import org.bukkit.event.HandlerList;
+
+@Getter
+@AllArgsConstructor
+public class TeamLeaveEvent extends Event {
+    @Getter
+    private static final HandlerList handlerList = new HandlerList();
+
+    private final FightPlayer fightPlayer;
+
+    @Override
+    public HandlerList getHandlers() {
+        return handlerList;
+    }
+}

FightSystem_Core/src/de/steamwar/fightsystem/events/TeamSpawnEvent.java

@@ -0,0 +1,40 @@
+/*
+ *   This file is a part of the SteamWar software.
+ *
+ *   Copyright (C) 2024  SteamWar.de-Serverteam
+ *
+ *   This program is free software: you can redistribute it and/or modify
+ *   it under the terms of the GNU Affero General Public License as published by
+ *   the Free Software Foundation, either version 3 of the License, or
+ *   (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ *   GNU Affero General Public License for more details.
+ *
+ *   You should have received a copy of the GNU Affero General Public License
+ *   along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package de.steamwar.fightsystem.events;
+
+import de.steamwar.fightsystem.fight.FightPlayer;
+import lombok.AllArgsConstructor;
+import lombok.Getter;
+import org.bukkit.event.Event;
+import org.bukkit.event.HandlerList;
+
+@Getter
+@AllArgsConstructor
+public class TeamSpawnEvent extends Event {
+    @Getter
+    private static final HandlerList handlerList = new HandlerList();
+
+    private final FightPlayer fightPlayer;
+
+    @Override
+    public HandlerList getHandlers() {
+        return handlerList;
+    }
+}

FightSystem_Core/src/de/steamwar/fightsystem/fight/Fight.java

@@ -21,14 +21,17 @@ package de.steamwar.fightsystem.fight;
 
 import com.comphenix.tinyprotocol.TinyProtocol;
 import com.mojang.authlib.GameProfile;
+import de.steamwar.core.Core;
 import de.steamwar.core.ProtocolWrapper;
 import de.steamwar.fightsystem.ArenaMode;
 import de.steamwar.fightsystem.Config;
 import de.steamwar.fightsystem.FightSystem;
 import de.steamwar.fightsystem.record.GlobalRecorder;
+import lombok.Getter;
 import org.bukkit.Bukkit;
 import org.bukkit.GameMode;
 import org.bukkit.Sound;
+import org.bukkit.entity.LivingEntity;
 import org.bukkit.entity.Player;
 
 import java.util.Collection;
@@ -37,7 +40,9 @@ import java.util.HashSet;
 public class Fight {
     private Fight(){}
 
+    @Getter
     private static final FightTeam redTeam = new FightTeam(Config.TeamRedName, Config.TeamRedColor, Config.TeamRedSpawn, Config.RedPasteRegion, Config.RedExtendRegion, Config.RedRotate, false, Config.RedLeader);
+    @Getter
     private static final FightTeam blueTeam = new FightTeam(Config.TeamBlueName, Config.TeamBlueColor, Config.TeamBlueSpawn, Config.BluePasteRegion, Config.BlueExtendRegion, Config.BlueRotate, true, Config.BlueLeader);
     private static final Collection<FightTeam> teams = new HashSet<>();
     static {
@@ -45,7 +50,7 @@ public class Fight {
         teams.add(blueTeam);
     }
 
-    public static FightTeam getPlayerTeam(Player player) {
+    public static FightTeam getPlayerTeam(LivingEntity player) {
         if(redTeam.isPlayerInTeam(player))
             return redTeam;
         if(blueTeam.isPlayerInTeam(player))
@@ -62,15 +67,7 @@ public class Fight {
         throw new IllegalArgumentException();
     }
 
-    public static FightTeam getInvitedTeam(Player player){
-        if(redTeam.getInvited().contains(player))
-            return redTeam;
-        else if(blueTeam.getInvited().contains(player))
-            return blueTeam;
-        return null;
-    }
-
-    public static FightPlayer getFightPlayer(Player player) {
+    public static FightPlayer getFightPlayer(LivingEntity player) {
         if(redTeam.isPlayerInTeam(player))
             return redTeam.getFightPlayer(player);
         if(blueTeam.isPlayerInTeam(player))
@@ -78,30 +75,25 @@ public class Fight {
         return null;
     }
 
-    public static boolean fighting(Player player) {
+    public static boolean fighting(LivingEntity player) {
         return getPlayerTeam(player) != null;
     }
 
-    public static FightTeam getRedTeam() {
-        return redTeam;
-    }
-
-    public static FightTeam getBlueTeam() {
-        return blueTeam;
-    }
-
     public static Collection<FightTeam> teams() {
         return teams;
     }
 
     public static FightTeam getUnrotated() {
-        return Config.BlueRotate ? Fight.getRedTeam() : Fight.getBlueTeam();
+        return Config.blueNegZ() ? Fight.getBlueTeam() : Fight.getRedTeam();
     }
 
     public static void playSound(Sound sound, float volume, float pitch) {
         GlobalRecorder.getInstance().soundAtPlayer(sound.name(), volume, pitch);
         //volume: max. 100, pitch: max. 2
-        Bukkit.getServer().getOnlinePlayers().forEach(player -> player.playSound(player.getLocation(), sound, volume, pitch));
+        if(Core.getVersion() >= 18)
+            Bukkit.getServer().getOnlinePlayers().forEach(player -> player.playSound(player, sound, volume, pitch));
+        else
+            Bukkit.getServer().getOnlinePlayers().forEach(player -> player.playSound(player.getLocation(), sound, volume, pitch));
     }
 
     public static FightTeam getTeamByName(String name) {
@@ -131,7 +123,7 @@ public class Fight {
                 if(!player.isOnline())
                     return;
                 pseudoSpectator(player, true);
-            }, 2);
+            }, 1);
         }else if(gameMode == GameMode.SURVIVAL) {
             for(Player currentPlayer : Bukkit.getServer().getOnlinePlayers()) {
                 if(currentPlayer.getUniqueId() != player.getUniqueId() && currentPlayer.getGameMode() == GameMode.SPECTATOR) {
@@ -146,21 +138,16 @@ public class Fight {
         TinyProtocol.instance.sendPacket(player, ProtocolWrapper.impl.playerInfoPacketConstructor(ProtocolWrapper.PlayerInfoAction.GAMEMODE, new GameProfile(player.getUniqueId(), player.getName()), enable ? GameMode.CREATIVE : GameMode.SPECTATOR));
     }
 
-    public static int getMaxRank(){
-        /* MaxRank of 0 is Pubonly*/
-        if(Config.OnlyPublicSchematics){
-            return 0;
+    public static boolean publicOnly() {
+        if (Config.OnlyPublicSchematics) {
+            return true;
         }
-
-        if(Config.IgnorePublicOnly || ArenaMode.RankedEvent.contains(Config.mode)){
-            return 1000;
+        if (Config.IgnorePublicOnly || ArenaMode.RankedEvent.contains(Config.mode)) {
+            return false;
         }
-
-
-        if(redTeam.getLeader() == null || blueTeam.getLeader() == null){
-            return 1000;
+        if (redTeam.getLeader() == null || blueTeam.getLeader() == null) {
+            return false;
         }
-
-        return Math.min(redTeam.getSchemRank(), blueTeam.getSchemRank());
+        return redTeam.isPublicsOnly() || blueTeam.isPublicsOnly();
     }
 }

FightSystem_Core/src/de/steamwar/fightsystem/fight/FightPlayer.java

@@ -20,27 +20,42 @@
 package de.steamwar.fightsystem.fight;
 
 import de.steamwar.fightsystem.Config;
+import de.steamwar.fightsystem.ai.AI;
+import de.steamwar.fightsystem.countdown.Countdown;
 import de.steamwar.fightsystem.countdown.EnternCountdown;
+import de.steamwar.fightsystem.events.TeamDeathEvent;
 import de.steamwar.sql.PersonalKit;
 import de.steamwar.sql.SteamwarUser;
+import lombok.Getter;
+import lombok.Setter;
+import org.bukkit.Bukkit;
+import org.bukkit.entity.LivingEntity;
 import org.bukkit.entity.Player;
 
+import java.util.function.Consumer;
+
 public class FightPlayer {
 
-    private final Player player;
+    private final int id;
+    private LivingEntity entity;
+    @Getter
     private final FightTeam team;
     private boolean isOut;
+    @Setter
+    @Getter
     private Kit kit;
+    @Getter
     private int kills;
     private EnternCountdown enternCountdown = null;
 
-    FightPlayer(Player player, FightTeam team) {
-        this.player = player;
+    FightPlayer(LivingEntity entity, SteamwarUser user, FightTeam team) {
+        this.id = user.getId();
+        this.entity = entity;
         this.team = team;
         this.isOut = false;
         kit = Kit.getKitByName(Config.MemberDefault);
         if(Config.PersonalKits){
-            PersonalKit personalKit = PersonalKit.getKitInUse(SteamwarUser.get(player.getUniqueId()).getId(), Config.SchematicType.toDB());
+            PersonalKit personalKit = PersonalKit.getKitInUse(user.getId(), Config.SchematicType.toDB());
             if(personalKit != null){
                 kit = new Kit(personalKit);
             }
@@ -48,13 +63,20 @@ public class FightPlayer {
         kills = 0;
     }
 
-    public void setOut() {
-        isOut = true;
-        stopEnternCountdown();
+    public void revive() {
+        isOut = false;
     }
 
-    public void setEnternCountdown(EnternCountdown countdown){
-        enternCountdown = countdown;
+    public void setOut() {
+        isOut = true;
+        Bukkit.getPluginManager().callEvent(new TeamDeathEvent(this));
+        stopEnternCountdown();
+        ifAI(AI::stop);
+    }
+
+    public void startEnternCountdown(Countdown countdown) {
+        if(Config.EnterStages.size() > kit.getEnterStage() && kit.getEnterStage() >= 0)
+            enternCountdown = new EnternCountdown(this, countdown);
     }
 
     public void stopEnternCountdown(){
@@ -64,8 +86,28 @@ public class FightPlayer {
         enternCountdown = null;
     }
 
-    public Player getPlayer() {
-        return this.player;
+    public LivingEntity getEntity() {
+        LivingEntity bukkit = Bukkit.getPlayer(entity.getUniqueId());
+        if(bukkit != null)
+            entity = bukkit;
+        return entity;
+    }
+
+    public SteamwarUser getUser() {
+        return SteamwarUser.get(id);
+    }
+
+    public void ifAI(Consumer<AI> function) {
+        if(entity instanceof Player)
+            return;
+        AI ai = AI.getAI(entity.getUniqueId());
+        if(ai != null)
+            function.accept(ai);
+    }
+
+    public void ifPlayer(Consumer<Player> function) {
+        if(entity instanceof Player)
+            function.accept((Player) entity);
     }
 
     public boolean isLiving() {
@@ -74,23 +116,7 @@ public class FightPlayer {
 
     public boolean isLeader() {
         FightPlayer leader = team.getLeader();
-        return leader != null && leader.getPlayer() == player;
-    }
-
-    public Kit getKit() {
-        return kit;
-    }
-
-    public void setKit(Kit kit) {
-        this.kit = kit;
-    }
-
-    public FightTeam getTeam(){
-        return team;
-    }
-
-    public int getKills(){
-        return kills;
+        return leader != null && leader.getEntity() == entity;
     }
 
     public void addKill(){

FightSystem_Core/src/de/steamwar/fightsystem/fight/FightSchematic.java

@@ -33,6 +33,7 @@ import de.steamwar.fightsystem.utils.Region;
 import de.steamwar.fightsystem.utils.WorldeditWrapper;
 import de.steamwar.sql.SchematicData;
 import de.steamwar.sql.SchematicNode;
+import de.steamwar.sql.SchematicType;
 import org.bukkit.Bukkit;
 import org.bukkit.DyeColor;
 import org.bukkit.Location;
@@ -100,8 +101,17 @@ public class FightSchematic extends StateDependent {
 
         if(clipboard == null){
             List<SchematicNode> publics = SchematicNode.getAllSchematicsOfType(0, Config.SchematicType.toDB());
-            if(publics.isEmpty())
-                return;
+            if(publics.isEmpty()) {
+                for (SchematicType type : Config.SubTypes) {
+                    publics = SchematicNode.getAllSchematicsOfType(0, type.toDB());
+                    if (!publics.isEmpty()) {
+                        break;
+                    }
+                }
+                if (publics.isEmpty()) {
+                    return;
+                }
+            }
 
             setSchematic(publics.get(new Random().nextInt(publics.size())));
         }
@@ -138,6 +148,9 @@ public class FightSchematic extends StateDependent {
                 ).add(new Vector(rotate ? 1 : 0, 0, rotate ? 1 : 0)),
                 new AffineTransform().rotateY(rotate ? 180 : 0)
         );
+        FightSystem.getHullHider().initialize(team);
+        if(ArenaMode.Check.contains(Config.mode) && !team.isBlue())
+            replaceSync(Material.TNT, Material.OBSIDIAN);
 
         Bukkit.getScheduler().runTaskLater(FightSystem.getPlugin(), freezer::disable, 3);
         Bukkit.getScheduler().runTaskLater(FightSystem.getPlugin(), team::teleportToSpawn, 40);
@@ -145,7 +158,7 @@ public class FightSchematic extends StateDependent {
 
     @Override
     public void disable() {
-        if(!Config.ReplaceObsidianBedrock)
+        if(!Config.ReplaceObsidianBedrock || Config.mode == ArenaMode.PREPARE)
             return;
 
         FreezeWorld freezer = null;
@@ -187,7 +200,7 @@ public class FightSchematic extends StateDependent {
         }
 
         length -= 1;
-        AffineTransform aT = new AffineTransform().rotateY(rotate ? 180 : 0);
+        AffineTransform aT = new AffineTransform().rotateY(((team == Fight.getRedTeam()) == (Config.BlueToRedZ > 0)) ? 180 : 0);
         Location base = new Location(Config.world, region.centerX(), team.getExtendRegion().getMaxY(), region.centerZ());
         for(int i = 0; i < characters.length; i++){
             WorldeditWrapper.impl.pasteClipboard(characters[i], base, new Vector(offsets[i] - length/2, 0, -region.getSizeZ()/2), aT);

FightSystem_Core/src/de/steamwar/fightsystem/fight/FightTeam.java

@@ -25,34 +25,38 @@ import de.steamwar.fightsystem.Config;
 import de.steamwar.fightsystem.FightSystem;
 import de.steamwar.fightsystem.commands.GUI;
 import de.steamwar.fightsystem.countdown.Countdown;
+import de.steamwar.fightsystem.events.TeamLeaveEvent;
+import de.steamwar.fightsystem.events.TeamSpawnEvent;
 import de.steamwar.fightsystem.listener.FightScoreboard;
 import de.steamwar.fightsystem.listener.Permanent;
 import de.steamwar.fightsystem.listener.PersonalKitCreator;
-import de.steamwar.fightsystem.record.GlobalRecorder;
+import de.steamwar.fightsystem.listener.TeamArea;
 import de.steamwar.fightsystem.states.FightState;
 import de.steamwar.fightsystem.states.OneShotStateDependent;
 import de.steamwar.fightsystem.states.StateDependent;
 import de.steamwar.fightsystem.utils.*;
+import de.steamwar.fightsystem.winconditions.Wincondition;
 import de.steamwar.fightsystem.winconditions.Winconditions;
 import de.steamwar.inventory.SWItem;
 import de.steamwar.sql.SchematicNode;
 import de.steamwar.sql.SteamwarUser;
-import de.steamwar.techhider.ProtocolUtils;
+import lombok.Getter;
 import net.md_5.bungee.api.ChatMessageType;
 import org.bukkit.*;
-import org.bukkit.enchantments.Enchantment;
+import org.bukkit.entity.LivingEntity;
 import org.bukkit.entity.Player;
 import org.bukkit.scoreboard.NameTagVisibility;
 import org.bukkit.scoreboard.Team;
 
 import java.util.*;
+import java.util.function.Consumer;
 
 
 public class FightTeam {
 
     private static void setKitButton(HotbarKit kit, boolean leader) {
         if (Kit.getAvailableKits(leader).size() > 1 || Config.PersonalKits)
-            kit.setItem(1, "CHOOSE_KIT", new ItemBuilder(Material.LEATHER_CHESTPLATE).removeAllAttributes().addEnchantment(Enchantment.DURABILITY, 1).build(), player -> GUI.kitSelection(player, ""));
+            kit.setItem(1, "CHOOSE_KIT", new ItemBuilder(Material.LEATHER_CHESTPLATE).enchant().build(), player -> GUI.kitSelection(player, ""));
         else
             kit.setItem(1, null, null, null);
     }
@@ -60,51 +64,61 @@ public class FightTeam {
     private static final HotbarKit memberKit = new HotbarKit();
     static {
         setKitButton(memberKit, false);
-        memberKit.setItem(7, "RESPAWN", new ItemBuilder(Material.BEACON).removeAllAttributes().build(), player -> player.teleport(Objects.requireNonNull(Fight.getPlayerTeam(player)).getSpawn()));
+        memberKit.setItem(7, "RESPAWN", new ItemBuilder(Material.BEACON).build(), player -> player.teleport(Objects.requireNonNull(Fight.getPlayerTeam(player)).getSpawn()));
     }
     private static final HotbarKit notReadyKit = new HotbarKit(memberKit);
     static {
         setKitButton(notReadyKit, true);
 
         if(!ArenaMode.RankedEvent.contains(Config.mode)){
-            notReadyKit.setItem(2, "INVITE_PLAYERS", new ItemBuilder(Material.PAPER).removeAllAttributes().build(), GUI::chooseInvitation);
-            notReadyKit.setItem(3, "REMOVE_PLAYERS", new ItemBuilder(SWItem.getMaterial("FIREWORK_CHARGE")).removeAllAttributes().build(), GUI::chooseRemove);
+            notReadyKit.setItem(2, "REQUESTS", new ItemBuilder(Material.PAPER).build(), GUI::chooseJoinRequests);
+            notReadyKit.setItem(3, "REMOVE_PLAYERS", new ItemBuilder(SWItem.getMaterial("FIREWORK_CHARGE")).build(), GUI::chooseRemove);
         }
 
         if(Config.test())
-            notReadyKit.setItem(5, "CHOOSE_SCHEMATIC", new ItemBuilder(SWItem.getMaterial("CAULDRON_ITEM")).removeAllAttributes().addEnchantment(Enchantment.DURABILITY, 1).build(), GUI::preSchemDialog);
+            notReadyKit.setItem(5, "CHOOSE_SCHEMATIC", new ItemBuilder(SWItem.getMaterial("CAULDRON_ITEM")).enchant().build(), GUI::preSchemDialog);
 
-        notReadyKit.setItem(4, "TEAM_NOT_READY", new ItemBuilder(SWItem.getDye(10), (short) 10).removeAllAttributes().addEnchantment(Enchantment.DURABILITY, 1).build(), player -> Objects.requireNonNull(Fight.getPlayerTeam(player)).setReady(true));
+        notReadyKit.setItem(4, "TEAM_NOT_READY", new ItemBuilder(SWItem.getDye(10), (short) 10).enchant().build(), player -> Objects.requireNonNull(Fight.getPlayerTeam(player)).setReady(true));
     }
     private static final HotbarKit chooseSchemKit = new HotbarKit(notReadyKit);
     static {
-        chooseSchemKit.setItem(4, "CHOOSE_SCHEMATIC", new ItemBuilder(SWItem.getMaterial("CAULDRON_ITEM")).removeAllAttributes().addEnchantment(Enchantment.DURABILITY, 1).build(), GUI::preSchemDialog);
+        chooseSchemKit.setItem(4, "CHOOSE_SCHEMATIC", new ItemBuilder(SWItem.getMaterial("CAULDRON_ITEM")).enchant().build(), GUI::preSchemDialog);
     }
     private static final HotbarKit readyKit = new HotbarKit(memberKit);
     static {
         readyKit.setItem(1, null, null, null);
-        readyKit.setItem(4, "TEAM_READY", new ItemBuilder(SWItem.getDye(8), (short) 8).removeAllAttributes().addEnchantment(Enchantment.DURABILITY,1 ).build(), player -> Objects.requireNonNull(Fight.getPlayerTeam(player)).setReady(false));
+        readyKit.setItem(4, "TEAM_READY", new ItemBuilder(SWItem.getDye(8), (short) 8).enchant().build(), player -> Objects.requireNonNull(Fight.getPlayerTeam(player)).setReady(false));
     }
 
+    @Getter
     private UUID designatedLeader;
+    @Getter
     private FightPlayer leader;
-    private int schemRank;
+    @Getter
+    private boolean publicsOnly;
 
-    private final Map<Player, FightPlayer> players = new HashMap<>();
-    private final Set<Player> invited = new HashSet<>();
+    private final Map<UUID, FightPlayer> players = new HashMap<>();
 
+    @Getter
     private String name;
+    @Getter
     private String prefix;
+    @Getter
     private ChatColor color;
     private final FightSchematic schematic;
     private final Team team;
+    @Getter
     private final boolean blue;
 
+    @Getter
     private boolean ready;
     private boolean skip;
 
+    @Getter
     private final Location spawn;
+    @Getter
     private final Region schemRegion;
+    @Getter
     private final Region extendRegion;
 
     @SuppressWarnings("deprecation")
@@ -112,7 +126,7 @@ public class FightTeam {
         this.spawn = spawn;
         this.schemRegion = schemRegion;
         this.extendRegion = extendRegion;
-        this.schemRank = 0;
+        this.publicsOnly = false;
         this.ready = false;
         this.skip = false;
         this.blue = blue;
@@ -121,6 +135,7 @@ public class FightTeam {
         this.schematic = new FightSchematic(this, rotate);
         new KitLoader();
         new SpectateHandler();
+        new TeamArea(this);
 
         team = FightScoreboard.getBukkitTeam(name);
         WorldOfColorWrapper.impl.setTeamColor(team, color);
@@ -134,7 +149,7 @@ public class FightTeam {
         new OneShotStateDependent(Config.replayserver(), FightState.PreLeaderSetup, () -> Bukkit.getScheduler().runTask(FightSystem.getPlugin(), this::reset));
         new OneShotStateDependent(ArenaMode.All, FightState.PostSchemSetup, () -> {
             if(leader != null)
-                notReadyKit.loadToPlayer(leader.getPlayer());
+                leader.ifPlayer(notReadyKit::loadToPlayer);
         });
     }
 
@@ -144,32 +159,16 @@ public class FightTeam {
         this.color = ChatColor.getByChar(ChatColor.getLastColors(prefix).replace("§", ""));
     }
 
-    public UUID getDesignatedLeader(){
-        return designatedLeader;
-    }
-
-    public Region getSchemRegion() {
-        return schemRegion;
-    }
-
-    public Region getExtendRegion() {
-        return extendRegion;
-    }
-
     public boolean canbeLeader(Player p){
         return isLeaderless() && (designatedLeader == null || designatedLeader.equals(p.getUniqueId()));
     }
 
-    public int getSchemRank() {
-        return schemRank;
-    }
-
     public void teleportToSpawn(){
-        players.forEach((player, fp) -> player.teleport(spawn));
+        players.forEach((player, fp) -> fp.getEntity().teleport(spawn));
     }
 
-    public FightPlayer getFightPlayer(Player player) {
-        return players.get(player);
+    public FightPlayer getFightPlayer(LivingEntity player) {
+        return players.get(player.getUniqueId());
     }
 
     public boolean allPlayersOut() {
@@ -180,17 +179,17 @@ public class FightTeam {
         return true;
     }
 
-    public boolean isPlayerInTeam(Player player) {
-        return players.containsKey(player);
+    public boolean isPlayerInTeam(LivingEntity player) {
+        return players.containsKey(player.getUniqueId());
     }
 
-    public boolean canPlayerEntern(Player player) {
+    public boolean canPlayerEntern(LivingEntity player) {
         return getFightPlayer(player).canEntern();
     }
 
-    public boolean isPlayerLeader(Player player) {
+    public boolean isPlayerLeader(LivingEntity player) {
         if(leader != null)
-            return leader.getPlayer().equals(player);
+            return leader.getEntity().equals(player);
         else
             return false;
     }
@@ -199,24 +198,27 @@ public class FightTeam {
         skip = false;
         ready = false;
         schematic.reset();
-        invited.clear();
 
-        Set<Player> playerSet = new HashSet<>(players.keySet());
-        for(Player player : playerSet){
-            if(!Bukkit.getOnlinePlayers().contains(player))
-                removePlayer(player);
-        }
+        Set<UUID> playerSet = new HashSet<>(players.keySet());
+        playerSet.removeIf(uuid -> {
+            Player player = Bukkit.getPlayer(uuid);
+            if(player == null) {
+                removePlayer(players.get(uuid).getEntity());
+                return true;
+            }
+
+            return false;
+        });
         FightPlayer leaderBackup = leader;
-        playerSet.removeIf(player -> !Bukkit.getOnlinePlayers().contains(player));
         players.clear();
         leader = null;
 
         if(leaderBackup != null){
-            playerSet.remove(leaderBackup.getPlayer());
-            addMember(leaderBackup.getPlayer(), true);
+            playerSet.remove(leaderBackup.getEntity().getUniqueId());
+            addMember(leaderBackup.getEntity(), leaderBackup.getUser(), true);
         }
 
-        playerSet.forEach(p -> addMember(p, true));
+        playerSet.forEach(uuid -> addMember(Bukkit.getPlayer(uuid), SteamwarUser.get(uuid), true));
 
         if(ArenaMode.VariableTeams.contains(Config.mode) && isLeaderless()){
             List<Player> onlinePlayers = new ArrayList<>(Bukkit.getOnlinePlayers());
@@ -231,81 +233,104 @@ public class FightTeam {
     }
 
     public void broadcast(String message, Object... params) {
-        players.forEach((player, fp) -> FightSystem.getMessage().sendPrefixless(message, player, ChatMessageType.ACTION_BAR, params));
+        broadcast(player -> FightSystem.getMessage().sendPrefixless(message, player, ChatMessageType.ACTION_BAR, params));
     }
 
     public void broadcastSystem(String message, Object... params) {
-        players.forEach((player, fp) -> FightSystem.getMessage().send(message, player, params));
+        broadcast(player -> FightSystem.getMessage().send(message, player, params));
     }
 
     public void broadcastChat(Player sender, String message) {
-        players.forEach((player, fp) -> FightSystem.getMessage().sendPrefixless("TEAM_CHAT", player, ChatMessageType.CHAT, prefix, sender.getName(), message));
+        broadcast(player -> FightSystem.getMessage().sendPrefixless("TEAM_CHAT", player, ChatMessageType.CHAT, prefix, sender.getName(), message));
+    }
+
+    private void broadcast(Consumer<Player> f) {
+        players.forEach((uuid, fightPlayer) -> {
+            Player player = Bukkit.getPlayer(uuid);
+            if(player != null)
+                f.accept(player);
+        });
     }
 
     public void addMember(Player player) {
-        addMember(player, false);
+        addMember(player, SteamwarUser.get(player.getUniqueId()), false);
     }
 
-    public void addMember(Player player, boolean silent) {
-        final List<ProtocolUtils.ChunkPos> chunksToReload = FightSystem.getTechHider().prepareChunkReload(player, false);
-        FightPlayer fightPlayer = new FightPlayer(player, this);
-        players.put(player, fightPlayer);
-        invited.remove(player);
-        Permanent.getSpectatorTeam().removeEntry(player.getName());
-        team.addEntry(player.getName());
+    public void addMember(LivingEntity entity, SteamwarUser user) {
+        addMember(entity, user, false);
+    }
 
-        Fight.setPlayerGamemode(player, GameMode.SURVIVAL);
-        player.setHealth(20);
-        player.setFoodLevel(20);
-        player.getInventory().clear();
-        BountifulWrapper.impl.setAttackSpeed(player);
-        player.teleport(spawn);
-        memberKit.loadToPlayer(player);
-        GlobalRecorder.getInstance().playerJoins(player);
-        FightSystem.getTechHider().reloadChunks(player, chunksToReload, false);
+    public void addMember(LivingEntity entity, SteamwarUser user, boolean silent) {
+        FightPlayer fightPlayer = getFightPlayer(entity) != null ? getFightPlayer(entity) : new FightPlayer(entity, user, this);
+        fightPlayer.revive();
+        players.put(entity.getUniqueId(), fightPlayer);
+        Bukkit.getPluginManager().callEvent(new TeamSpawnEvent(fightPlayer));
+
+        Permanent.getSpectatorTeam().removeEntry(entity.getName());
+        team.addEntry(entity.getName());
+
+        entity.setHealth(20);
+        entity.teleport(spawn);
+
+        fightPlayer.ifPlayer(player -> {
+            BountifulWrapper.impl.setAttackSpeed(player);
+            player.setFoodLevel(20);
+            player.getInventory().clear();
+            FightSystem.getHullHider().updatePlayer(player);
+
+            if(FightState.Spectate.contains(FightState.getFightState())) {
+                Fight.setPlayerGamemode(player, GameMode.SPECTATOR);
+            } else {
+                Fight.setPlayerGamemode(player, GameMode.SURVIVAL);
+                (FightState.ingame() ? fightPlayer.getKit() : memberKit).loadToPlayer(player);
+            }
+        });
+
+        if(FightState.Running.contains(FightState.getFightState()))
+            fightPlayer.startEnternCountdown(Wincondition.getTimeOverCountdown());
+
+        fightPlayer.ifPlayer(player -> FightSystem.getTechHider().reloadChunks(player, Config.ArenaRegion, fightPlayer.canEntern() ? Region.EMPTY : Fight.getOpposite(this).getExtendRegion()));
 
         if(isLeaderless())
             setLeader(fightPlayer, silent);
         else if(!silent)
-            FightUI.addSubtitle("UI_PLAYER_JOINS", prefix, player.getName());
+            FightUI.addSubtitle("UI_PLAYER_JOINS", prefix, entity.getName());
     }
 
-    public void removePlayer(Player player) {
-        FightPlayer fightPlayer = getFightPlayer(player);
+    public void removePlayer(LivingEntity entity) {
+        FightPlayer fightPlayer = getFightPlayer(entity);
+        Bukkit.getPluginManager().callEvent(new TeamLeaveEvent(fightPlayer));
 
-        PersonalKitCreator.closeIfInKitCreator(player);
-        List<ProtocolUtils.ChunkPos> chunksToReload = FightSystem.getTechHider().prepareChunkReload(player, true);
-        players.remove(player);
-        team.removeEntry(player.getName());
-        Permanent.getSpectatorTeam().addEntry(player.getName());
+        fightPlayer.ifPlayer(PersonalKitCreator::closeIfInKitCreator);
+        players.remove(entity.getUniqueId());
+        team.removeEntry(entity.getName());
+        Permanent.getSpectatorTeam().addEntry(entity.getName());
 
-        FightUI.addSubtitle("UI_PLAYER_LEAVES", prefix, player.getName());
+        FightUI.addSubtitle("UI_PLAYER_LEAVES", prefix, entity.getName());
 
         if(fightPlayer.equals(leader))
             removeLeader();
 
-        GlobalRecorder.getInstance().entityDespawns(player);
-        Fight.setPlayerGamemode(player, GameMode.SPECTATOR);
-        player.teleport(Config.SpecSpawn);
-        player.getInventory().clear();
+        entity.teleport(Config.SpecSpawn);
 
-        if(player.isOnline()){
-            FightSystem.getTechHider().reloadChunks(player, chunksToReload, true);
-        }
+        fightPlayer.ifPlayer(player -> {
+            Fight.setPlayerGamemode(player, GameMode.SPECTATOR);
+            player.getInventory().clear();
+
+            if(player.isOnline()){
+                FightSystem.getHullHider().updatePlayer(player);
+                FightSystem.getTechHider().reloadChunks(player, Config.ArenaRegion, Fight.getOpposite(this).getExtendRegion());
+
+                if(ArenaMode.VariableTeams.contains(Config.mode))
+                    HotbarKit.SPECTATOR_KIT.loadToPlayer(player);
+            }
+        });
     }
 
     public boolean isLeaderless() {
         return leader == null;
     }
 
-    public boolean isBlue(){
-        return blue;
-    }
-
-    public FightPlayer getLeader() {
-        return leader;
-    }
-
     private void removeLeader() {
         this.leader = null;
         if(!players.isEmpty()) {
@@ -316,7 +341,7 @@ public class FightTeam {
     }
 
     private void setLeader(FightPlayer leader, boolean silent) {
-        PersonalKitCreator.closeIfInKitCreator(leader.getPlayer());
+        leader.ifPlayer(PersonalKitCreator::closeIfInKitCreator);
 
         this.leader = leader;
         designatedLeader = null;
@@ -324,41 +349,41 @@ public class FightTeam {
             setReady(false);
 
         if(!silent)
-            FightUI.addSubtitle("UI_LEADER_JOINS", prefix, leader.getPlayer().getName());
+            FightUI.addSubtitle("UI_LEADER_JOINS", prefix, leader.getEntity().getName());
 
-        Optional<Integer> maxRank = SchematicNode.getAllAccessibleSchematicsOfType(SteamwarUser.get(leader.getPlayer().getUniqueId()).getId(), Config.SchematicType.toDB()).stream().map(SchematicNode::getRank).max(Integer::compare);
-        if(Config.RanksEnabled)
-            schemRank = maxRank.orElse(1);
-        else
-            schemRank = maxRank.isPresent() ? 1 : 0;
+        publicsOnly = SchematicNode.getAllAccessibleSchematicsOfType(leader.getUser().getId(), Config.SchematicType.toDB()).isEmpty();
 
         if(!Config.PersonalKits)
             leader.setKit(Kit.getKitByName(Config.LeaderDefault));
 
-        Player player = leader.getPlayer();
-        if(FightState.getFightState() != FightState.POST_SCHEM_SETUP)
-            chooseSchemKit.loadToPlayer(player);
-        else
-            notReadyKit.loadToPlayer(player);
+        leader.ifPlayer(player -> {
+            if(FightState.getFightState() != FightState.POST_SCHEM_SETUP)
+                chooseSchemKit.loadToPlayer(player);
+            else
+                notReadyKit.loadToPlayer(player);
+        });
 
         if(FightState.getFightState() == FightState.PRE_LEADER_SETUP && !Fight.getOpposite(this).isLeaderless()){
             FightState.setFightState(FightState.PRE_SCHEM_SETUP);
         }
+
+        leader.ifAI(ai -> pasteSchem(ai.chooseSchematic()));
     }
 
     public Collection<FightPlayer> getPlayers() {
         return players.values();
     }
 
-    public boolean isReady() {
-        return ready;
-    }
-
     public void pasteSchem() {
         testPasteAction();
     }
 
     public void pasteSchem(SchematicNode schematic){
+        if(schematic.getSchemtype().check()) {
+            FightStatistics.unrank();
+            FightSystem.getMessage().broadcast("SCHEMATIC_UNCHECKED", getColoredName());
+        }
+
         setSchem(schematic);
         testPasteAction();
     }
@@ -386,7 +411,7 @@ public class FightTeam {
     }
 
     public void setReady(boolean ready) {
-        Player l = leader.getPlayer();
+        LivingEntity l = leader.getEntity();
 
         if(!schematic.hasSchematic()){
             FightSystem.getMessage().sendPrefixless("SCHEMATIC_REQUIRED", l, ChatMessageType.ACTION_BAR);
@@ -396,12 +421,12 @@ public class FightTeam {
         this.ready = ready;
         if(ready) {
             broadcast("TEAM_READY");
-            readyKit.loadToPlayer(l);
+            leader.ifPlayer(readyKit::loadToPlayer);
             if(Fight.getOpposite(this).isReady() || ArenaMode.SoloLeader.contains(Config.mode))
                 FightState.setFightState(FightState.PRE_RUNNING);
         } else {
             broadcast("TEAM_NOT_READY");
-            notReadyKit.loadToPlayer(l);
+            leader.ifPlayer(notReadyKit::loadToPlayer);
         }
     }
 
@@ -419,32 +444,16 @@ public class FightTeam {
         }
     }
 
-    public Set<Player> getInvited() {
-        return invited;
-    }
-
-    public String getName() {
-        return name;
-    }
-
     public String getColoredName() {
         return prefix + name;
     }
 
-    public String getPrefix() {
-        return prefix;
-    }
-
     public int getSchematic() {
         return schematic.getId();
     }
 
-    public Location getSpawn() {
-        return spawn;
-    }
-
     public double getCurrentHearts() {
-        return players.values().stream().filter(FightPlayer::isLiving).mapToDouble(fp -> fp.getPlayer().getHealth()).sum();
+        return players.values().stream().filter(FightPlayer::isLiving).mapToDouble(fp -> fp.getEntity().getHealth()).sum();
     }
 
     public double getHeartRatio(){
@@ -460,10 +469,6 @@ public class FightTeam {
         return (int) players.values().stream().filter(FightPlayer::isLiving).count();
     }
 
-    public ChatColor getColor() {
-        return color;
-    }
-
     @Override
     public String toString() {
         return name;
@@ -478,17 +483,18 @@ public class FightTeam {
         @Override
         public void enable() {
             for(FightPlayer fightPlayer : players.values()) {
-                Player player = fightPlayer.getPlayer();
-                PersonalKitCreator.closeIfInKitCreator(player);
+                fightPlayer.ifPlayer(player -> {
+                    PersonalKitCreator.closeIfInKitCreator(player);
 
-                player.closeInventory();
-                fightPlayer.getKit().loadToPlayer(player);
+                    player.closeInventory();
+                    fightPlayer.getKit().loadToPlayer(player);
+                });
             }
         }
 
         @Override
         public void disable() {
-            players.values().forEach(fightPlayer -> fightPlayer.getPlayer().getInventory().clear());
+            players.values().forEach(fightPlayer -> fightPlayer.ifPlayer(p -> p.getInventory().clear()));
         }
     }
 
@@ -501,14 +507,14 @@ public class FightTeam {
         @Override
         public void enable() {
             players.values().forEach(fightPlayer -> {
-                Fight.setPlayerGamemode(fightPlayer.getPlayer(), GameMode.SPECTATOR);
-                fightPlayer.getPlayer().teleport(FightTeam.this.spawn);
+                fightPlayer.ifPlayer(player -> Fight.setPlayerGamemode(player, GameMode.SPECTATOR));
+                fightPlayer.getEntity().teleport(FightTeam.this.spawn);
             });
         }
 
         @Override
         public void disable() {
-            players.values().forEach(fightPlayer -> Fight.setPlayerGamemode(fightPlayer.getPlayer(), GameMode.SURVIVAL));
+            players.values().forEach(fightPlayer -> fightPlayer.ifPlayer(player -> Fight.setPlayerGamemode(player, GameMode.SURVIVAL)));
         }
     }
 }

FightSystem_Core/src/de/steamwar/fightsystem/fight/FightWorld.java

@@ -21,11 +21,13 @@ package de.steamwar.fightsystem.fight;
 
 import de.steamwar.fightsystem.ArenaMode;
 import de.steamwar.fightsystem.Config;
+import de.steamwar.fightsystem.FightSystem;
 import de.steamwar.fightsystem.listener.Recording;
 import de.steamwar.fightsystem.states.FightState;
 import de.steamwar.fightsystem.states.StateDependent;
 import de.steamwar.fightsystem.utils.CraftbukkitWrapper;
 import de.steamwar.fightsystem.utils.FlatteningWrapper;
+import lombok.Getter;
 import org.bukkit.Bukkit;
 import org.bukkit.World;
 import org.bukkit.WorldCreator;
@@ -39,11 +41,8 @@ import java.util.Objects;
 
 public class FightWorld extends StateDependent {
 
-    private static final boolean paper = Bukkit.getVersion().contains("git-Paper");
-
-    public static boolean isPaper(){
-        return paper;
-    }
+    @Getter
+    private static final boolean PAPER = Bukkit.getVersion().contains("git-Paper");
 
     public FightWorld() {
         super(ArenaMode.Restartable.contains(Config.mode) || Config.replayserver(), FightState.Schem);
@@ -57,7 +56,7 @@ public class FightWorld extends StateDependent {
 
     @Override
     public void disable() {
-        resetWorld();
+        Bukkit.getScheduler().runTask(FightSystem.getPlugin(), FightWorld::resetWorld); //Delay to prevent raceconditions with techhider and hullhider
     }
 
     public static void forceLoad(){

FightSystem_Core/src/de/steamwar/fightsystem/fight/HotbarKit.java

@@ -23,10 +23,13 @@ import de.steamwar.core.Core;
 import de.steamwar.fightsystem.ArenaMode;
 import de.steamwar.fightsystem.Config;
 import de.steamwar.fightsystem.FightSystem;
+import de.steamwar.fightsystem.commands.GUI;
 import de.steamwar.fightsystem.listener.PersonalKitCreator;
 import de.steamwar.fightsystem.states.FightState;
 import de.steamwar.fightsystem.states.StateDependentListener;
 import de.steamwar.fightsystem.states.StateDependentTask;
+import de.steamwar.fightsystem.utils.ItemBuilder;
+import org.bukkit.Material;
 import org.bukkit.entity.Player;
 import org.bukkit.event.EventHandler;
 import org.bukkit.event.Listener;
@@ -45,6 +48,12 @@ import java.util.function.Consumer;
 
 public class HotbarKit extends Kit {
 
+    public static final HotbarKit SPECTATOR_KIT = new HotbarKit();
+    static {
+        for(int i = 0; i < 9; i++)
+            SPECTATOR_KIT.setItem(i, "JOIN_REQUEST", new ItemBuilder(Material.PAPER).build(), GUI::joinRequest);
+    }
+
     private static final int HOTBAR_SIZE = 9;
 
     private final String[] nameTags;
@@ -87,8 +96,8 @@ public class HotbarKit extends Kit {
         private static final Set<Player> clicked = new HashSet<>();
 
         public HotbarKitListener() {
-            new StateDependentListener(ArenaMode.AntiReplay, FightState.Setup, this);
-            new StateDependentTask(ArenaMode.AntiReplay, FightState.Setup, clicked::clear, 10, 10);
+            new StateDependentListener(ArenaMode.AntiReplay, FightState.All, this);
+            new StateDependentTask(ArenaMode.AntiReplay, FightState.All, clicked::clear, 10, 10);
         }
 
         @EventHandler

FightSystem_Core/src/de/steamwar/fightsystem/fight/JoinRequest.java

@@ -0,0 +1,110 @@
+/*
+    This file is a part of the SteamWar software.
+
+    Copyright (C) 2022  SteamWar.de-Serverteam
+
+    This program is free software: you can redistribute it and/or modify
+    it under the terms of the GNU Affero General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+    GNU Affero General Public License for more details.
+
+    You should have received a copy of the GNU Affero General Public License
+    along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package de.steamwar.fightsystem.fight;
+
+import de.steamwar.fightsystem.FightSystem;
+import de.steamwar.fightsystem.states.FightState;
+import de.steamwar.inventory.SWItem;
+import de.steamwar.inventory.SWListInv;
+import net.md_5.bungee.api.ChatMessageType;
+import net.md_5.bungee.api.chat.ClickEvent;
+import org.bukkit.entity.Player;
+
+import java.util.*;
+import java.util.stream.Collectors;
+
+public class JoinRequest {
+
+    private static final Map<Player, JoinRequest> activeRequests = new HashMap<>();
+
+    public static List<SWListInv.SWListEntry<Player>> openRequests(Player p, FightTeam team) {
+        return activeRequests.values().stream().filter(
+                request -> request.waitOnApproval.contains(team)
+        ).map(request -> {
+            SWItem item = SWItem.getPlayerSkull(request.player);
+            item.setLore(Arrays.asList(
+                    FightSystem.getMessage().parse("REQUESTS_LEFT_CLICK", p),
+                    FightSystem.getMessage().parse("REQUESTS_RIGHT_CLICK", p)
+            ));
+            return new SWListInv.SWListEntry<>(item, request.player);
+        }).collect(Collectors.toList());
+    }
+
+    public static void clearRequests() {
+        activeRequests.clear();
+    }
+
+    public static JoinRequest get(Player player) {
+        return activeRequests.get(player);
+    }
+
+    private final Player player;
+    private final FightTeam team;
+    private final Set<FightTeam> waitOnApproval;
+
+    public JoinRequest(Player player, FightTeam team) {
+        this.player = player;
+        this.team = team;
+        this.waitOnApproval = new HashSet<>(FightState.ingame() ? Fight.teams() : Collections.singleton(team));
+        Set<FightTeam> alreadyAccepted = new HashSet<>();
+
+        activeRequests.put(player, this);
+        for(FightTeam t : waitOnApproval) {
+            FightPlayer leader = t.getLeader();
+            if(leader == null)
+                continue;
+
+            if(leader.getEntity() == null)
+                continue;
+
+            leader.ifPlayer(leaderPlayer -> FightSystem.getMessage().sendPrefixless("JOIN_REQUEST_NOTIFICATION", leaderPlayer, "REQUESTS", new ClickEvent(ClickEvent.Action.RUN_COMMAND, "/requests"), player.getName(), team.getColoredName()));
+            leader.ifAI(ai -> {
+                if(ai.acceptJoinRequest(player, team))
+                    alreadyAccepted.add(t);
+            });
+        }
+
+        FightSystem.getMessage().sendPrefixless("JOIN_REQUEST_CONFIRMATION", player, ChatMessageType.ACTION_BAR);
+        alreadyAccepted.forEach(this::accept);
+    }
+
+    public boolean required(FightTeam decider) {
+        return waitOnApproval.contains(decider);
+    }
+
+    public void accept(FightTeam acceptor) {
+        waitOnApproval.remove(acceptor);
+
+        if(waitOnApproval.isEmpty()) {
+            team.addMember(player);
+            activeRequests.remove(player);
+        }
+    }
+
+    public void decline(FightTeam declinor) {
+        FightSystem.getMessage().sendPrefixless("REQUEST_YOUR_DECLINED", player, ChatMessageType.ACTION_BAR);
+        waitOnApproval.forEach(t -> t.broadcast("REQUEST_DECLINED", player.getName()));
+        silentDecline();
+    }
+
+    public void silentDecline() {
+        activeRequests.remove(player);
+    }
+}

FightSystem_Core/src/de/steamwar/fightsystem/fight/Kit.java

@@ -30,6 +30,7 @@ import de.steamwar.inventory.SWInventory;
 import de.steamwar.inventory.SWItem;
 import de.steamwar.sql.PersonalKit;
 import de.steamwar.sql.SteamwarUser;
+import lombok.Getter;
 import org.bukkit.Bukkit;
 import org.bukkit.Material;
 import org.bukkit.configuration.ConfigurationSection;
@@ -69,11 +70,19 @@ public class Kit {
         }
     }
 
+    @Getter
     private final String name;
+    @Getter
     private final ItemStack[] inventory;
+    @Getter
     private final ItemStack[] armor;
+    @Getter
     private final Collection<PotionEffect> effects;
+    /* In which stage is entern allowed? */
+    @Getter
     private final int enterStage;
+    /* Is this kit allowed to set/handle tnt? */
+    @Getter
     private final boolean tnt;
     private final boolean leaderAllowed;
     private final boolean memberAllowed;
@@ -140,10 +149,6 @@ public class Kit {
         return kits;
     }
 
-    public String getName() {
-        return name;
-    }
-
     public boolean canUseKit(boolean leader){
         if (leader) {
             return leaderAllowed;
@@ -156,10 +161,6 @@ public class Kit {
         return !memberAllowed;
     }
 
-    public ItemStack[] getInventory() {
-        return inventory;
-    }
-
     public boolean contains(ItemStack stack) {
         for(ItemStack i : inventory) {
             if(similar(i, stack))
@@ -172,24 +173,6 @@ public class Kit {
         return false;
     }
 
-    public ItemStack[] getArmor() {
-        return armor;
-    }
-
-    public Collection<PotionEffect> getEffects() {
-        return effects;
-    }
-
-    /* Is this kit allowed to set/handle tnt? */
-    public boolean isTnt(){
-        return tnt;
-    }
-
-    /* In which stage is entern allowed? */
-    public int getEnterStage() {
-        return enterStage;
-    }
-
     public void toPersonalKit(PersonalKit kit) {
         kit.setContainer(inventory, armor);
     }

FightSystem_Core/src/de/steamwar/fightsystem/listener/ArenaBorder.java

@@ -21,58 +21,88 @@ package de.steamwar.fightsystem.listener;
 
 import de.steamwar.fightsystem.ArenaMode;
 import de.steamwar.fightsystem.Config;
-import de.steamwar.fightsystem.FightSystem;
+import de.steamwar.fightsystem.events.TeamDeathEvent;
+import de.steamwar.fightsystem.events.TeamLeaveEvent;
+import de.steamwar.fightsystem.events.TeamSpawnEvent;
 import de.steamwar.fightsystem.fight.Fight;
-import de.steamwar.fightsystem.fight.FightTeam;
+import de.steamwar.fightsystem.fight.FightPlayer;
 import de.steamwar.fightsystem.states.FightState;
 import de.steamwar.fightsystem.states.StateDependentListener;
 import de.steamwar.fightsystem.states.StateDependentTask;
-import net.md_5.bungee.api.ChatMessageType;
-import org.bukkit.Bukkit;
-import org.bukkit.GameMode;
-import org.bukkit.Location;
+import org.bukkit.entity.LivingEntity;
 import org.bukkit.entity.Player;
 import org.bukkit.event.EventHandler;
 import org.bukkit.event.Listener;
+import org.bukkit.event.player.PlayerJoinEvent;
 import org.bukkit.event.player.PlayerMoveEvent;
+import org.bukkit.event.player.PlayerQuitEvent;
 
 public class ArenaBorder implements Listener {
 
+    private final Border spectatorBorder = new Border(Config.PlayerRegion, true, 5, "NO_ARENA_LEAVING", "ArenaBorder.spectatorBorder");
+    private final Border playerBorder = new Border(Config.PlayerRegion.to2d(), true, 5, "NO_ARENA_LEAVING", "ArenaBorder.playerBorder");
+
     public ArenaBorder() {
         new StateDependentListener(ArenaMode.All, FightState.All, this);
         new StateDependentTask(ArenaMode.All, FightState.Running, this::damage, 2, 2);
+        new StateDependentListener(!Config.GroundWalkable, FightState.AntiRunning, new Listener() {
+            @EventHandler
+            public void onMove(PlayerMoveEvent e) {
+                Player player = e.getPlayer();
+                if(e.getTo().getY() <= Config.PlayerRegion.getMinY() && playerBorder.contains(player))
+                    player.teleport(Fight.getPlayerTeam(player).getSpawn());
+            }
+        });
     }
 
     @EventHandler
-    public void arenaBorder(PlayerMoveEvent event){
-        Player player = event.getPlayer();
-        FightTeam team = Fight.getPlayerTeam(player);
+    public void onPlayerJoin(PlayerJoinEvent e) {
+        addToSpectator(e.getPlayer());
+    }
 
-        if(Config.ArenaLeaveable && team == null)
-            return;
+    @EventHandler
+    public void onTeamJoin(TeamSpawnEvent e) {
+        e.getFightPlayer().ifPlayer(player -> {
+            spectatorBorder.removePlayer(player);
+            playerBorder.addPlayer(player);
+        });
+    }
 
-        Location to = event.getTo();
-        assert to != null;
+    @EventHandler
+    public void onTeamDeath(TeamDeathEvent e) {
+        e.getFightPlayer().ifPlayer(player -> {
+            playerBorder.removePlayer(player);
+            addToSpectator(player);
+        });
+    }
 
-        if(Config.PlayerRegion.inRegion(to))
-            return;
+    @EventHandler
+    public void onTeamLeave(TeamLeaveEvent e) {
+        e.getFightPlayer().ifPlayer(player -> {
+            playerBorder.removePlayer(player);
+            addToSpectator(player);
+        });
+    }
 
-        if(to.getY() <= Config.PlayerRegion.getMinY() && player.getGameMode() != GameMode.SPECTATOR && team != null) {
-            if(!Config.GroundWalkable && !FightState.infight())
-                player.teleport(team.getSpawn());
-
-            return;
-        }
-
-        player.teleport(event.getFrom());
-        FightSystem.getMessage().sendPrefixless("NO_ARENA_LEAVING", player, ChatMessageType.ACTION_BAR);
+    @EventHandler
+    public void onPlayerQuit(PlayerQuitEvent e) {
+        spectatorBorder.removePlayer(e.getPlayer());
     }
 
     private void damage() {
-        for(Player player : Bukkit.getServer().getOnlinePlayers()) {
-            FightTeam team = Fight.getPlayerTeam(player);
-            if(team != null && player.getLocation().getY() <= Config.PlayerRegion.getMinY())
-                player.damage(1);
-        }
+        Fight.teams().forEach(team -> {
+            for(FightPlayer fp : team.getPlayers()) {
+                LivingEntity entity = fp.getEntity();
+                if(fp.isLiving() && entity.getLocation().getY() <= Config.PlayerRegion.getMinY())
+                    entity.damage(1);
+            }
+        });
+    }
+
+    private void addToSpectator(Player player) {
+        if(Config.ArenaLeaveable || !player.isOnline() || playerBorder.contains(player))
+            return;
+
+        spectatorBorder.addPlayer(player);
     }
 }

FightSystem_Core/src/de/steamwar/fightsystem/listener/ArrowPickup.java

@@ -1,32 +0,0 @@
-/* 
-    This file is a part of the SteamWar software.
-    
-    Copyright (C) 2020  SteamWar.de-Serverteam
-
-    This program is free software: you can redistribute it and/or modify
-    it under the terms of the GNU Affero General Public License as published by
-    the Free Software Foundation, either version 3 of the License, or
-    (at your option) any later version.
-
-    This program is distributed in the hope that it will be useful,
-    but WITHOUT ANY WARRANTY; without even the implied warranty of
-    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-    GNU Affero General Public License for more details.
-
-    You should have received a copy of the GNU Affero General Public License
-    along with this program.  If not, see <https://www.gnu.org/licenses/>.
-*/
-
-package de.steamwar.fightsystem.listener;
-
-import de.steamwar.fightsystem.ArenaMode;
-import de.steamwar.fightsystem.states.FightState;
-import de.steamwar.fightsystem.states.StateDependentListener;
-import de.steamwar.fightsystem.utils.BountifulWrapper;
-
-public class ArrowPickup {
-
-    public ArrowPickup() {
-        new StateDependentListener(ArenaMode.All, FightState.All, BountifulWrapper.impl.newDenyArrowPickupListener());
-    }
-}

FightSystem_Core/src/de/steamwar/fightsystem/listener/ArrowStopper.java

@@ -85,7 +85,7 @@ public class ArrowStopper {
     }
 
     private boolean checkBlock(Block block) {
-        return Config.HiddenBlocks.contains(block.getType().name().toLowerCase());
+        return Config.HiddenBlocks.contains(block.getType());
     }
 
     private boolean invalidEntity(Projectile entity) {

FightSystem_Core/src/de/steamwar/fightsystem/listener/Border.java

@@ -0,0 +1,148 @@
+/*
+ *   This file is a part of the SteamWar software.
+ *
+ *   Copyright (C) 2024  SteamWar.de-Serverteam
+ *
+ *   This program is free software: you can redistribute it and/or modify
+ *   it under the terms of the GNU Affero General Public License as published by
+ *   the Free Software Foundation, either version 3 of the License, or
+ *   (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ *   GNU Affero General Public License for more details.
+ *
+ *   You should have received a copy of the GNU Affero General Public License
+ *   along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package de.steamwar.fightsystem.listener;
+
+import de.steamwar.fightsystem.ArenaMode;
+import de.steamwar.fightsystem.Config;
+import de.steamwar.fightsystem.FightSystem;
+import de.steamwar.fightsystem.states.FightState;
+import de.steamwar.fightsystem.states.StateDependentTask;
+import de.steamwar.fightsystem.utils.FlatteningWrapper;
+import de.steamwar.fightsystem.utils.Region;
+import net.md_5.bungee.api.ChatMessageType;
+import org.bukkit.Bukkit;
+import org.bukkit.Location;
+import org.bukkit.Material;
+import org.bukkit.block.Block;
+import org.bukkit.entity.Player;
+
+import java.util.*;
+import java.util.logging.Level;
+
+public class Border {
+
+    private final Map<UUID, Set<Block>> ghostBarriers = new HashMap<>();
+    private final Map<UUID, Location> lastLocation = new HashMap<>();
+    private final boolean contain;
+    private final String resetMessage;
+    private final String name;
+    private final Region region;
+    private final int ghostRange;
+    private final int ghostSize;
+
+    public Border(Region region, boolean contain, int ghostRange, String resetMessage, String name) {
+        this.contain = contain;
+        this.resetMessage = resetMessage;
+        this.name = name;
+        this.region = region;
+        this.ghostRange = ghostRange;
+        this.ghostSize = 2*ghostRange + 1;
+
+        new StateDependentTask(ArenaMode.All, FightState.All, this::run, 1, 1);
+    }
+
+    public void addPlayer(Player player) {
+        if(ghostBarriers.containsKey(player.getUniqueId()))
+            return;
+
+        ghostBarriers.put(player.getUniqueId(), new HashSet<>());
+        lastLocation.put(player.getUniqueId(), player.getLocation());
+        FightSystem.getPlugin().getLogger().log(Level.INFO, () -> player.getName() + " was added to border " + name);
+    }
+
+    public boolean contains(Player player) {
+        return ghostBarriers.containsKey(player.getUniqueId());
+    }
+
+    public void removePlayer(Player player) {
+        FightSystem.getPlugin().getLogger().log(Level.INFO, () -> player.getName() + " was removed from border " + name);
+        lastLocation.remove(player.getUniqueId());
+        Set<Block> blocks = ghostBarriers.remove(player.getUniqueId());
+        if(blocks == null || !player.isOnline())
+            return;
+
+        for(Block block : blocks)
+            sendChange(player, block, Material.AIR);
+    }
+
+    private void run() {
+        List<UUID> offline = new ArrayList<>();
+        for(Map.Entry<UUID, Set<Block>> entry : ghostBarriers.entrySet()) {
+            UUID uuid = entry.getKey();
+            Player player = Bukkit.getPlayer(uuid);
+            if(player == null) {
+                offline.add(uuid);
+                continue;
+            }
+
+            Location location = player.getLocation();
+            if(region.playerInRegion(location) != contain) {
+                player.teleport(lastLocation.get(uuid));
+                FightSystem.getMessage().sendPrefixless(resetMessage, player, ChatMessageType.ACTION_BAR);
+                return;
+            }
+
+            Set<Block> ghostBlocks = entry.getValue();
+            Region ghostRegion = Region.fromSize(location.getBlockX() - ghostRange, location.getBlockY() - ghostRange, location.getBlockZ() - ghostRange, ghostSize, ghostSize, ghostSize);
+            ghostBlocks.removeIf(block -> {
+                if(!ghostRegion.inRegion(block)) {
+                    sendChange(player, block, Material.AIR);
+                    return true;
+                }
+                return false;
+            });
+
+            if(contain) {
+                borderIteration(player, ghostBlocks, Region.fromSize(region.getMinX()-1, region.getMinY(), region.getMinZ(), 1, region.getSizeY(), region.getSizeZ()).intersection(ghostRegion));
+                borderIteration(player, ghostBlocks, Region.fromSize(region.getMinX(), region.getMinY()-1, region.getMinZ(), region.getSizeX(), 1, region.getSizeZ()).intersection(ghostRegion));
+                borderIteration(player, ghostBlocks, Region.fromSize(region.getMinX(), region.getMinY(), region.getMinZ()-1, region.getSizeX(), region.getSizeY(), 1).intersection(ghostRegion));
+                borderIteration(player, ghostBlocks, Region.fromSize(region.getMaxX(), region.getMinY(), region.getMinZ(), 1, region.getSizeY(), region.getSizeZ()).intersection(ghostRegion));
+                borderIteration(player, ghostBlocks, Region.fromSize(region.getMinX(), region.getMaxY(), region.getMinZ(), region.getSizeX(), 1, region.getSizeZ()).intersection(ghostRegion));
+                borderIteration(player, ghostBlocks, Region.fromSize(region.getMinX(), region.getMinY(), region.getMaxZ(), region.getSizeX(), region.getSizeY(), 1).intersection(ghostRegion));
+            } else {
+                borderIteration(player, ghostBlocks, Region.fromSize(region.getMinX(), region.getMinY(), region.getMinZ(), 1, region.getSizeY(), region.getSizeZ()).intersection(ghostRegion));
+                borderIteration(player, ghostBlocks, Region.fromSize(region.getMinX(), region.getMinY(), region.getMinZ(), region.getSizeX(), 1, region.getSizeZ()).intersection(ghostRegion));
+                borderIteration(player, ghostBlocks, Region.fromSize(region.getMinX(), region.getMinY(), region.getMinZ(), region.getSizeX(), region.getSizeY(), 1).intersection(ghostRegion));
+                borderIteration(player, ghostBlocks, Region.fromSize(region.getMaxX()-1, region.getMinY(), region.getMinZ(), 1, region.getSizeY(), region.getSizeZ()).intersection(ghostRegion));
+                borderIteration(player, ghostBlocks, Region.fromSize(region.getMinX(), region.getMaxY()-1, region.getMinZ(), region.getSizeX(), 1, region.getSizeZ()).intersection(ghostRegion));
+                borderIteration(player, ghostBlocks, Region.fromSize(region.getMinX(), region.getMinY(), region.getMaxZ()-1, region.getSizeX(), region.getSizeY(), 1).intersection(ghostRegion));
+            }
+
+            lastLocation.put(entry.getKey(), location);
+        }
+
+        offline.forEach(uuid -> FightSystem.getPlugin().getLogger().log(Level.INFO, () -> uuid + " was removed from border " + name));
+        offline.forEach(ghostBarriers::remove);
+        offline.forEach(lastLocation::remove);
+    }
+
+    private void borderIteration(Player player, Set<Block> ghostBlocks, Region border) {
+        border.forEach((x, y, z) -> {
+            Block block = Config.world.getBlockAt(x, y, z);
+            if(ghostBlocks.add(block))
+                sendChange(player, block, Material.BARRIER);
+        });
+    }
+
+    private void sendChange(Player player, Block block, Material type) {
+        if(block.getType() == Material.AIR)
+            FlatteningWrapper.impl.sendBlockChange(player, block, type);
+    }
+}

FightSystem_Core/src/de/steamwar/fightsystem/listener/Chat.java

@@ -63,7 +63,7 @@ public class Chat implements Listener {
         event.setCancelled(true);
     }
 
-    private void broadcastChat(String message, Object... params) {
+    public static void broadcastChat(String message, Object... params) {
         GlobalRecorder.getInstance().chat(message, params);
         FightSystem.getMessage().chat(message, params);
     }

FightSystem_Core/src/de/steamwar/fightsystem/listener/Check.java

@@ -26,7 +26,7 @@ import de.steamwar.fightsystem.states.FightState;
 import de.steamwar.fightsystem.states.StateDependentListener;
 import de.steamwar.sql.SchematicNode;
 import de.steamwar.sql.SteamwarUser;
-import de.steamwar.sql.UserGroup;
+import de.steamwar.sql.UserPerm;
 import org.bukkit.Bukkit;
 import org.bukkit.entity.Player;
 import org.bukkit.event.EventHandler;
@@ -47,7 +47,7 @@ public class Check implements Listener {
         Player player = e.getPlayer();
         SteamwarUser user = SteamwarUser.get(player.getUniqueId());
 
-        if(allowedToCheck(user))
+        if(user.hasPerm(UserPerm.CHECK))
             return;
 
         SchematicNode schem = SchematicNode.getSchematicNode(Config.CheckSchemID);
@@ -68,11 +68,4 @@ public class Check implements Listener {
         FightSystem.getMessage().send("CHECK_COMMAND_LOCKED", player);
         Bukkit.getLogger().log(Level.SEVERE, player.getName() + " tried to use a copy command!");
     }
-
-    private boolean allowedToCheck(SteamwarUser user) {
-        return user.getUserGroup() == UserGroup.Supporter ||
-                user.getUserGroup() == UserGroup.Developer ||
-                user.getUserGroup() == UserGroup.Moderator ||
-                user.getUserGroup() == UserGroup.Admin;
-    }
 }

FightSystem_Core/src/de/steamwar/fightsystem/listener/DenyInventoryMovement.java

@@ -27,6 +27,7 @@ import org.bukkit.event.EventHandler;
 import org.bukkit.event.Listener;
 import org.bukkit.event.inventory.InventoryClickEvent;
 import org.bukkit.event.inventory.InventoryDragEvent;
+import org.bukkit.event.player.PlayerPickupItemEvent;
 
 public class DenyInventoryMovement implements Listener {
 
@@ -48,4 +49,9 @@ public class DenyInventoryMovement implements Listener {
         if(!PersonalKitCreator.inKitCreator(event.getWhoClicked()))
             event.setCancelled(true);
     }
+
+    @EventHandler
+    public void onItemPickup(PlayerPickupItemEvent event) {
+        event.setCancelled(true);
+    }
 }

FightSystem_Core/src/de/steamwar/fightsystem/listener/InFightDamage.java

@@ -19,7 +19,6 @@
 
 package de.steamwar.fightsystem.listener;
 
-import de.steamwar.fightsystem.ArenaMode;
 import de.steamwar.fightsystem.Config;
 import de.steamwar.fightsystem.FightSystem;
 import de.steamwar.fightsystem.fight.Fight;
@@ -28,7 +27,7 @@ import de.steamwar.fightsystem.states.StateDependentListener;
 import de.steamwar.fightsystem.winconditions.Winconditions;
 import net.md_5.bungee.api.ChatMessageType;
 import org.bukkit.entity.Arrow;
-import org.bukkit.entity.Player;
+import org.bukkit.entity.LivingEntity;
 import org.bukkit.event.EventHandler;
 import org.bukkit.event.Listener;
 import org.bukkit.event.entity.EntityDamageByEntityEvent;
@@ -43,25 +42,25 @@ public class InFightDamage implements Listener {
 
     @EventHandler
     public void handleEntityDamageByEntity(EntityDamageByEntityEvent event) {
-        if(!(event.getEntity() instanceof Player))
+        if(!(event.getEntity() instanceof LivingEntity))
             //Target is not a player
             return;
 
-        Player player = ((Player) event.getEntity());
+        LivingEntity player = ((LivingEntity) event.getEntity());
         if(!Fight.fighting(player))
             return;
 
-        Player damager;
+        LivingEntity damager;
 
-        if(event.getDamager() instanceof Player) {
-            damager = ((Player) event.getDamager()).getPlayer();
+        if(event.getDamager() instanceof LivingEntity) {
+            damager = (LivingEntity) event.getDamager();
         }else if(event.getDamager() instanceof Arrow) {
             Arrow damagerArrow = (Arrow) event.getDamager();
-            if(!(damagerArrow.getShooter() instanceof Player))
+            if(!(damagerArrow.getShooter() instanceof LivingEntity))
                 //Shooter is not a player
                 return;
 
-            damager = (Player) damagerArrow.getShooter();
+            damager = (LivingEntity) damagerArrow.getShooter();
         }else{
             //Damager is not a player
             return;

FightSystem_Core/src/de/steamwar/fightsystem/listener/IngameDeath.java

@@ -26,11 +26,12 @@ import de.steamwar.fightsystem.states.FightState;
 import de.steamwar.fightsystem.states.StateDependentListener;
 import de.steamwar.fightsystem.utils.FightUI;
 import de.steamwar.fightsystem.utils.SWSound;
-import org.bukkit.entity.Player;
+import org.bukkit.entity.Entity;
+import org.bukkit.entity.LivingEntity;
 import org.bukkit.event.EventHandler;
 import org.bukkit.event.EventPriority;
 import org.bukkit.event.Listener;
-import org.bukkit.event.entity.PlayerDeathEvent;
+import org.bukkit.event.entity.EntityDeathEvent;
 import org.bukkit.event.player.PlayerQuitEvent;
 
 import java.util.function.Consumer;
@@ -42,20 +43,20 @@ public class IngameDeath implements Listener {
     }
 
     @EventHandler
-    public void broadcastDeath(PlayerDeathEvent event) {
+    public void broadcastDeath(EntityDeathEvent event) {
         onPlayerEnd(event.getEntity(), fightPlayer -> {
-            FightUI.addSubtitle("UI_PLAYER_DEATH", fightPlayer.getTeam().getPrefix(), fightPlayer.getPlayer().getName());
+            FightUI.addSubtitle("UI_PLAYER_DEATH", fightPlayer.getTeam().getPrefix(), fightPlayer.getEntity().getName());
             Fight.playSound(SWSound.ENTITY_WITHER_DEATH.getSound(), 100.0F, 1.0F);
         });
     }
 
     @EventHandler
     public void broadcastQuit(PlayerQuitEvent event) {
-        onPlayerEnd(event.getPlayer(), fightPlayer -> FightUI.addSubtitle("UI_PLAYER_LEAVE", fightPlayer.getTeam().getPrefix(), fightPlayer.getPlayer().getName()));
+        onPlayerEnd(event.getPlayer(), fightPlayer -> FightUI.addSubtitle("UI_PLAYER_LEAVE", fightPlayer.getTeam().getPrefix(), fightPlayer.getEntity().getName()));
     }
 
     @EventHandler(priority = EventPriority.MONITOR)
-    public void handlePlayerDeath(PlayerDeathEvent event) {
+    public void handlePlayerDeath(EntityDeathEvent event) {
         onPlayerEnd(event.getEntity(), FightPlayer::setOut);
     }
 
@@ -64,8 +65,11 @@ public class IngameDeath implements Listener {
         onPlayerEnd(event.getPlayer(), FightPlayer::setOut);
     }
 
-    private void onPlayerEnd(Player player, Consumer<FightPlayer> withLivingPlayer) {
-        FightPlayer fightPlayer = Fight.getFightPlayer(player);
+    private void onPlayerEnd(Entity player, Consumer<FightPlayer> withLivingPlayer) {
+        if(!(player instanceof LivingEntity))
+            return;
+
+        FightPlayer fightPlayer = Fight.getFightPlayer((LivingEntity) player);
         if(fightPlayer == null || !fightPlayer.isLiving())
             return;
 

FightSystem_Core/src/de/steamwar/fightsystem/listener/JoinRequestListener.java

@@ -0,0 +1,74 @@
+/*
+    This file is a part of the SteamWar software.
+
+    Copyright (C) 2022  SteamWar.de-Serverteam
+
+    This program is free software: you can redistribute it and/or modify
+    it under the terms of the GNU Affero General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+    GNU Affero General Public License for more details.
+
+    You should have received a copy of the GNU Affero General Public License
+    along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package de.steamwar.fightsystem.listener;
+
+import de.steamwar.fightsystem.ArenaMode;
+import de.steamwar.fightsystem.Config;
+import de.steamwar.fightsystem.FightSystem;
+import de.steamwar.fightsystem.fight.Fight;
+import de.steamwar.fightsystem.fight.FightPlayer;
+import de.steamwar.fightsystem.fight.HotbarKit;
+import de.steamwar.fightsystem.fight.JoinRequest;
+import de.steamwar.fightsystem.states.FightState;
+import de.steamwar.fightsystem.states.OneShotStateDependent;
+import de.steamwar.fightsystem.states.StateDependentListener;
+import org.bukkit.Bukkit;
+import org.bukkit.entity.Player;
+import org.bukkit.event.EventHandler;
+import org.bukkit.event.EventPriority;
+import org.bukkit.event.Listener;
+import org.bukkit.event.player.PlayerJoinEvent;
+import org.bukkit.event.player.PlayerQuitEvent;
+import org.bukkit.event.player.PlayerRespawnEvent;
+
+public class JoinRequestListener implements Listener {
+
+    public JoinRequestListener() {
+        new OneShotStateDependent(ArenaMode.VariableTeams, FightState.PreLeaderSetup, () -> Bukkit.getScheduler().runTask(FightSystem.getPlugin(), JoinRequest::clearRequests));
+        new OneShotStateDependent(ArenaMode.VariableTeams, FightState.PreRunning, () -> Bukkit.getScheduler().runTask(FightSystem.getPlugin(), JoinRequest::clearRequests));
+
+        new StateDependentListener(ArenaMode.VariableTeams, FightState.All, this);
+    }
+
+    @EventHandler(priority = EventPriority.HIGH)
+    public void onJoin(PlayerJoinEvent event) {
+        Player player = event.getPlayer();
+        FightPlayer fp = Fight.getFightPlayer(player);
+
+        if (!Config.ArenaLeaveable && (fp == null || !fp.isLiving())) {
+            HotbarKit.SPECTATOR_KIT.loadToPlayer(player);
+        }
+    }
+
+    @EventHandler
+    public void handlePlayerRespawn(PlayerRespawnEvent event) {
+        Player player = event.getPlayer();
+        if(Fight.fighting(player)) {
+        HotbarKit.SPECTATOR_KIT.loadToPlayer(player);
+        }
+    }
+
+    @EventHandler
+    public void onLeave(PlayerQuitEvent event) {
+        JoinRequest request = JoinRequest.get(event.getPlayer());
+        if(request != null)
+            request.silentDecline();
+    }
+}

FightSystem_Core/src/de/steamwar/fightsystem/listener/Permanent.java

@@ -40,6 +40,8 @@ import org.bukkit.event.Listener;
 import org.bukkit.event.block.BlockBreakEvent;
 import org.bukkit.event.block.BlockDispenseEvent;
 import org.bukkit.event.block.BlockFromToEvent;
+import org.bukkit.event.block.BlockPlaceEvent;
+import org.bukkit.event.entity.EntityExplodeEvent;
 import org.bukkit.event.entity.FoodLevelChangeEvent;
 import org.bukkit.event.entity.PlayerDeathEvent;
 import org.bukkit.event.entity.SpawnerSpawnEvent;
@@ -93,11 +95,15 @@ public class Permanent implements Listener {
         event.setJoinMessage(null);
 
         Player player = event.getPlayer();
+        FightPlayer fp = Fight.getFightPlayer(player);
 
-        if (!Config.ArenaLeaveable && !Fight.fighting(player)) {
+        if (!Config.ArenaLeaveable && fp == null) {
             Fight.setPlayerGamemode(player, GameMode.SPECTATOR);
             spectatorTeam.addEntry(player.getName());
             player.teleport(Config.SpecSpawn);
+        } else if(fp != null && !fp.isLiving()) {
+            Fight.setPlayerGamemode(player, GameMode.SPECTATOR);
+            player.teleport(fp.getTeam().getSpawn());
         }
     }
 
@@ -148,14 +154,6 @@ public class Permanent implements Listener {
             e.setCancelled(true);
     }
 
-    @SuppressWarnings("deprecation")
-    @EventHandler(priority = EventPriority.MONITOR, ignoreCancelled = true)
-    public void onBlockBreak(BlockBreakEvent e) {
-        Block block = e.getBlock();
-        for(ItemStack stack : block.getDrops(e.getPlayer().getItemInHand()))
-            Config.world.dropItemNaturally(block.getLocation(), stack);
-    }
-
     @EventHandler
     public void onDropPickup(PlayerPickupItemEvent e) {
         if(!(Config.ArenaRegion.inRegion(e.getItem().getLocation())))
@@ -178,6 +176,18 @@ public class Permanent implements Listener {
         }
     }
 
+    @EventHandler(priority = EventPriority.MONITOR, ignoreCancelled = true)
+    public void onExplosion(EntityExplodeEvent e) {
+        e.blockList().removeIf(block -> {
+            if(block.getType() == Material.TNT) {
+                return false;
+            } else {
+                block.setType(Material.AIR);
+                return true;
+            }
+        });
+    }
+
     @EventHandler
     public void onWorldLoad(WorldLoadEvent e) {
         if(!Config.ArenaLeaveable)
@@ -209,4 +219,25 @@ public class Permanent implements Listener {
         if(e.getItem().getType() == Material.TNT || FlatteningWrapper.impl.isFacingWater(block))
             e.setCancelled(true);
     }
+
+    @EventHandler
+    public void blockPlace(BlockPlaceEvent event) {
+        Player player = event.getPlayer();
+        Block block = event.getBlock();
+        if(Fight.teams().stream().anyMatch(team -> team.getExtendRegion().inRegion(block)))
+            return;
+
+        event.setCancelled(true);
+        FightSystem.getMessage().sendPrefixless("NO_BLOCK_PLACE", player, ChatMessageType.ACTION_BAR);
+    }
+
+    @EventHandler
+    public void blockBreak(BlockBreakEvent event) {
+        Block block = event.getBlock();
+        if(Config.BlueExtendRegion.getMinY() <= block.getY())
+            return;
+
+        event.setCancelled(true);
+        FightSystem.getMessage().sendPrefixless("NO_BLOCK_BREAK", event.getPlayer(), ChatMessageType.ACTION_BAR);
+    }
 }

FightSystem_Core/src/de/steamwar/fightsystem/listener/Recording.java

@@ -23,6 +23,9 @@ import com.comphenix.tinyprotocol.Reflection;
 import com.comphenix.tinyprotocol.TinyProtocol;
 import de.steamwar.fightsystem.ArenaMode;
 import de.steamwar.fightsystem.FightSystem;
+import de.steamwar.fightsystem.events.TeamDeathEvent;
+import de.steamwar.fightsystem.events.TeamLeaveEvent;
+import de.steamwar.fightsystem.events.TeamSpawnEvent;
 import de.steamwar.fightsystem.fight.Fight;
 import de.steamwar.fightsystem.fight.FightPlayer;
 import de.steamwar.fightsystem.fight.FightTeam;
@@ -31,7 +34,10 @@ import de.steamwar.fightsystem.states.FightState;
 import de.steamwar.fightsystem.states.StateDependent;
 import de.steamwar.fightsystem.states.StateDependentListener;
 import de.steamwar.fightsystem.states.StateDependentTask;
-import de.steamwar.fightsystem.utils.*;
+import de.steamwar.fightsystem.utils.BountifulWrapper;
+import de.steamwar.fightsystem.utils.CraftbukkitWrapper;
+import de.steamwar.fightsystem.utils.FlatteningWrapper;
+import de.steamwar.fightsystem.utils.SWSound;
 import org.bukkit.Bukkit;
 import org.bukkit.Location;
 import org.bukkit.Material;
@@ -139,6 +145,11 @@ public class Recording implements Listener {
         return packet;
     }
 
+    @EventHandler
+    public void onPlayerSpawn(TeamSpawnEvent e) {
+        GlobalRecorder.getInstance().playerJoins(e.getFightPlayer().getEntity(), e.getFightPlayer().getUser());
+    }
+
     @EventHandler(priority = EventPriority.HIGH)
     public void onPlayerMove(PlayerMoveEvent e){
         if(isNotSent(e.getPlayer()))
@@ -148,19 +159,13 @@ public class Recording implements Listener {
     }
 
     @EventHandler
-    public void onPlayerDeath(PlayerDeathEvent e) {
-        if(isNotSent(e.getEntity()))
-            return;
-
-        GlobalRecorder.getInstance().entityDespawns(e.getEntity());
+    public void onPlayerDeath(TeamDeathEvent e) {
+        GlobalRecorder.getInstance().entityDespawns(e.getFightPlayer().getEntity());
     }
 
     @EventHandler
-    public void onPlayerQuit(PlayerQuitEvent e){
-        if(isNotSent(e.getPlayer()))
-            return;
-
-        GlobalRecorder.getInstance().entityDespawns(e.getPlayer());
+    public void onPlayerLeave(TeamLeaveEvent e) {
+        GlobalRecorder.getInstance().entityDespawns(e.getFightPlayer().getEntity());
     }
 
     @EventHandler(priority = EventPriority.HIGH, ignoreCancelled = true)
@@ -281,19 +286,20 @@ public class Recording implements Listener {
             if(!fp.isLiving())
                 continue;
 
-            Player player = fp.getPlayer();
-            BountifulWrapper.impl.recordHandItems(player);
-            GlobalRecorder.getInstance().item(player, disarmNull(player.getInventory().getHelmet()), "HEAD");
-            GlobalRecorder.getInstance().item(player, disarmNull(player.getInventory().getChestplate()), "CHEST");
-            GlobalRecorder.getInstance().item(player, disarmNull(player.getInventory().getLeggings()), "LEGS");
-            GlobalRecorder.getInstance().item(player, disarmNull(player.getInventory().getBoots()), "FEET");
+            fp.ifPlayer(player -> {
+                BountifulWrapper.impl.recordHandItems(player);
+                GlobalRecorder.getInstance().item(player, disarmNull(player.getInventory().getHelmet()), "HEAD");
+                GlobalRecorder.getInstance().item(player, disarmNull(player.getInventory().getChestplate()), "CHEST");
+                GlobalRecorder.getInstance().item(player, disarmNull(player.getInventory().getLeggings()), "LEGS");
+                GlobalRecorder.getInstance().item(player, disarmNull(player.getInventory().getBoots()), "FEET");
+            });
         }
     }
 
     private void despawnTeam(FightTeam team){
         for(FightPlayer player : team.getPlayers()){
             if(player.isLiving())
-                GlobalRecorder.getInstance().entityDespawns(player.getPlayer());
+                GlobalRecorder.getInstance().entityDespawns(player.getEntity());
         }
     }
 

FightSystem_Core/src/de/steamwar/fightsystem/listener/TeamArea.java

@@ -22,109 +22,122 @@ package de.steamwar.fightsystem.listener;
 import de.steamwar.fightsystem.ArenaMode;
 import de.steamwar.fightsystem.Config;
 import de.steamwar.fightsystem.FightSystem;
+import de.steamwar.fightsystem.events.BoardingEvent;
+import de.steamwar.fightsystem.events.TeamDeathEvent;
+import de.steamwar.fightsystem.events.TeamLeaveEvent;
+import de.steamwar.fightsystem.events.TeamSpawnEvent;
 import de.steamwar.fightsystem.fight.Fight;
+import de.steamwar.fightsystem.fight.FightPlayer;
 import de.steamwar.fightsystem.fight.FightTeam;
 import de.steamwar.fightsystem.states.FightState;
+import de.steamwar.fightsystem.states.OneShotStateDependent;
 import de.steamwar.fightsystem.states.StateDependentListener;
-import de.steamwar.fightsystem.utils.Region;
-import net.md_5.bungee.api.ChatMessageType;
+import de.steamwar.fightsystem.states.StateDependentTask;
 import org.bukkit.Bukkit;
-import org.bukkit.GameMode;
-import org.bukkit.block.Block;
 import org.bukkit.entity.Player;
 import org.bukkit.event.EventHandler;
 import org.bukkit.event.Listener;
-import org.bukkit.event.block.BlockBreakEvent;
-import org.bukkit.event.block.BlockPlaceEvent;
-import org.bukkit.event.player.PlayerMoveEvent;
+import org.bukkit.event.player.PlayerJoinEvent;
 import org.bukkit.event.player.PlayerQuitEvent;
 
 import java.util.HashSet;
 import java.util.Set;
-import java.util.logging.Level;
 
 public class TeamArea implements Listener {
 
-    private static final Set<Player> realSpectator = new HashSet<>();
+    private final FightTeam team;
+    private final Border spectatorBorder;
+    private final Border bordingBorder;
+    private final Set<Player> realSpectator = new HashSet<>();
+
+    public TeamArea(FightTeam team) {
+        this.team = team;
+        this.spectatorBorder = new Border(team.getExtendRegion(), false, 5, "NO_TEAMAREA", team.getName() + ".spectatorBorder");
+        this.bordingBorder = new Border(team.getExtendRegion().to2d(), true, 1, "NO_ENTERN", team.getName() + ".boardingBorder");
 
-    public TeamArea() {
         new StateDependentListener(ArenaMode.AntiTest, FightState.All, this);
+        new StateDependentTask(ArenaMode.AntiTest, FightState.TeamFix, this::realSpectatorCheck, 1, 1);
+        new OneShotStateDependent(ArenaMode.AntiTest, FightState.Spectate, () -> Fight.teams().forEach(t -> t.getPlayers().forEach(this::teamSpectator)));
     }
 
     @EventHandler
-    public void teamAreas(PlayerMoveEvent event) {
-        Player player = event.getPlayer();
-        if(Config.isReferee(player))
-            return;
+    public void playerJoin(PlayerJoinEvent e) {
+        Player player = e.getPlayer();
+        if(Fight.getPlayerTeam(player) != team && !Config.isReferee(player))
+            spectatorBorder.addPlayer(player);
+    }
 
-        FightTeam team = Fight.getPlayerTeam(player);
-        Fight.teams().forEach(t -> checkInTeamRegion(event, t, player, team));
+    @EventHandler
+    public void teamJoin(TeamSpawnEvent e) {
+        FightPlayer fightPlayer = e.getFightPlayer();
+        if(fightPlayer.getTeam() == team) {
+            fightPlayer.ifPlayer(player -> {
+                spectatorBorder.removePlayer(player);
+                bordingBorder.addPlayer(player);
+            });
+        }
+    }
+
+    @EventHandler
+    public void teamLeave(TeamLeaveEvent e) {
+        FightPlayer fightPlayer = e.getFightPlayer();
+        fightPlayer.ifPlayer(spectatorBorder::addPlayer);
+        if(fightPlayer.getTeam() == team)
+            fightPlayer.ifPlayer(bordingBorder::removePlayer);
+    }
+
+    @EventHandler
+    public void boarding(BoardingEvent e) {
+        FightPlayer fightPlayer = e.getFightPlayer();
+        if(fightPlayer.getTeam() == team) {
+            fightPlayer.ifPlayer(bordingBorder::removePlayer);
+        } else {
+            fightPlayer.ifPlayer(spectatorBorder::removePlayer);
+        }
+    }
+
+    @EventHandler
+    public void teamDeath(TeamDeathEvent e) {
+        teamSpectator(e.getFightPlayer());
+    }
+
+    private void teamSpectator(FightPlayer fightPlayer) {
+        if(fightPlayer.getTeam() == team) {
+            fightPlayer.ifPlayer(bordingBorder::removePlayer);
+        } else {
+            fightPlayer.ifPlayer(spectatorBorder::addPlayer);
+        }
     }
 
     @EventHandler
     public void playerQuit(PlayerQuitEvent e) {
-        realSpectator.remove(e.getPlayer());
+        Player player = e.getPlayer();
+        spectatorBorder.removePlayer(player);
+        bordingBorder.removePlayer(player);
+        realSpectator.remove(player);
     }
 
-    @EventHandler
-    public void blockPlace(BlockPlaceEvent event) {
-        Player player = event.getPlayer();
-        Block block = event.getBlock();
-        if(Config.BlueExtendRegion.inRegion(block) || Config.RedExtendRegion.inRegion(block))
-            return;
+    private void realSpectatorCheck() {
+        for(FightPlayer fightPlayer : team.getPlayers()) {
+            if(fightPlayer.isLiving())
+                continue;
 
-        event.setCancelled(true);
-        FightSystem.getMessage().sendPrefixless("NO_BLOCK_PLACE", player, ChatMessageType.ACTION_BAR);
-    }
+            fightPlayer.ifPlayer(player -> {
+                boolean inRegion = team.getExtendRegion().playerInRegion(player.getLocation());
+                if(inRegion && !realSpectator.contains(player)) {
+                    realSpectator.add(player);
 
-    @EventHandler
-    public void blockBreak(BlockBreakEvent event) {
-        Block block = event.getBlock();
-        if(Config.BlueExtendRegion.getMinY() <= block.getY())
-            return;
-
-        event.setCancelled(true);
-        FightSystem.getMessage().sendPrefixless("NO_BLOCK_BREAK", event.getPlayer(), ChatMessageType.ACTION_BAR);
-    }
-
-    private void checkInTeamRegion(PlayerMoveEvent event, FightTeam team, Player player, FightTeam playerTeam) {
-        boolean spectator = player.getGameMode() == GameMode.SPECTATOR;
-        if(!spectator && playerTeam != null && playerTeam.canPlayerEntern(player))
-            return;  // Player can entern
-
-        Region region = team.getExtendRegion();
-        boolean inRegion = region.in2dRegion(event.getTo());
-        if(team == playerTeam) {
-            if(spectator) {
-                realSpectator(inRegion, player);
-            } else if (!playerTeam.canPlayerEntern(player) && !inRegion) {
-                reset(event, "NO_ENTERN");  // Leaving prior to entern
-            }
-            return;  // Always allowed in own region
+                    //Later to prevent race condition with Fight.setSpecatator() during respawn
+                    Bukkit.getScheduler().runTaskLater(FightSystem.getPlugin(), () -> {
+                        if(!player.isOnline())
+                            return;
+                        Fight.pseudoSpectator(player, false);
+                    }, 2);
+                }else if(!inRegion && realSpectator.contains(player)) {
+                    Fight.pseudoSpectator(player, true);
+                    realSpectator.remove(player);
+                }
+            });
         }
-
-        if(region.playerInRegion(event.getTo())) {
-            reset(event, "NO_TEAMAREA");  // Not allowed in region
-            if(team.getSchemRegion().playerInRegion(event.getTo()) && Config.PreperationArea >= 5){ // Preventing false positives due to small extension
-                player.kickPlayer(null);
-                Bukkit.getLogger().log(Level.INFO, player.getName() + " has entered a team area");
-            }
-        }
-    }
-
-    private void realSpectator(boolean inRegion, Player player) {
-        if(inRegion && !realSpectator.contains(player)) {
-            Fight.pseudoSpectator(player, false);
-            realSpectator.add(player);
-        }else if(!inRegion && realSpectator.contains(player)) {
-            Fight.pseudoSpectator(player, true);
-            realSpectator.remove(player);
-        }
-    }
-
-    private void reset(PlayerMoveEvent event, String message){
-        Player player = event.getPlayer();
-        player.teleport(event.getFrom());
-        FightSystem.getMessage().sendPrefixless(message, player, ChatMessageType.ACTION_BAR);
     }
 }

FightSystem_Core/src/de/steamwar/fightsystem/listener/TestJoin.java

@@ -27,6 +27,7 @@ import de.steamwar.fightsystem.fight.FightTeam;
 import de.steamwar.fightsystem.states.FightState;
 import de.steamwar.fightsystem.states.StateDependentListener;
 import de.steamwar.sql.SteamwarUser;
+import de.steamwar.sql.UserPerm;
 import org.bukkit.entity.Player;
 import org.bukkit.event.EventHandler;
 import org.bukkit.event.Listener;
@@ -43,7 +44,7 @@ public class TestJoin implements Listener {
         Player player = event.getPlayer();
         FightTeam fightTeam = Fight.getPlayerTeam(player);
 
-        if(Config.ReplayID != 0 && !SteamwarUser.get(player.getUniqueId()).getUserGroup().isAdminGroup()) {
+        if(Config.ReplayID != 0 && !SteamwarUser.get(player.getUniqueId()).hasPerm(UserPerm.MODERATION)) {
             FightSystem.getMessage().send("CHECK_JOIN_DENIED", player);
             player.kickPlayer("");
             return;

FightSystem_Core/src/de/steamwar/fightsystem/listener/WaterRemover.java

@@ -71,19 +71,27 @@ public class WaterRemover implements Listener {
         event.setYield(0); //No drops (additionally to world config)
 
         FightTeam spawn = tnt.remove(event.getEntity().getEntityId());
-        if(spawn != null && event.blockList().isEmpty() && Fight.getOpposite(spawn).getExtendRegion().inRegion(event.getLocation())) {
-            checkBlock(event.getLocation().getBlock());
+        if(spawn != null && !spawn.getExtendRegion().inRegion(event.getLocation())) {
+            Block b = event.getLocation().getBlock();
+            for(int y = -1; y <= 1; y++) {
+                for(int z = -1; z <= 1; z++) {
+                    for(int x = -1; x <= 1; x++) {
+                        checkBlock(b.getRelative(x, y, z));
+                    }
+                }
+            }
         }
 
-        for(Block b : event.blockList()){
-            //b cannot be water or air due to current explosion
+        event.blockList().forEach(this::checkNeighbours);
+    }
 
-            checkBlock(b.getRelative(BlockFace.UP));
-            checkBlock(b.getRelative(BlockFace.EAST));
-            checkBlock(b.getRelative(BlockFace.WEST));
-            checkBlock(b.getRelative(BlockFace.NORTH));
-            checkBlock(b.getRelative(BlockFace.SOUTH));
-        }
+    private void checkNeighbours(Block b) {
+        checkBlock(b.getRelative(BlockFace.UP));
+        checkBlock(b.getRelative(BlockFace.EAST));
+        checkBlock(b.getRelative(BlockFace.WEST));
+        checkBlock(b.getRelative(BlockFace.NORTH));
+        checkBlock(b.getRelative(BlockFace.SOUTH));
+        checkBlock(b.getRelative(BlockFace.DOWN));
     }
 
     private void checkBlock(Block b) {
@@ -98,10 +106,6 @@ public class WaterRemover implements Listener {
         if(b.getY() < MIN_Y)
             return;
 
-        checkBlock(b.getRelative(BlockFace.UP));
-        checkBlock(b.getRelative(BlockFace.EAST));
-        checkBlock(b.getRelative(BlockFace.WEST));
-        checkBlock(b.getRelative(BlockFace.NORTH));
-        checkBlock(b.getRelative(BlockFace.SOUTH));
+        checkNeighbours(b);
     }
 }

FightSystem_Core/src/de/steamwar/fightsystem/record/FileRecorder.java

@@ -22,19 +22,17 @@ package de.steamwar.fightsystem.record;
 import de.steamwar.fightsystem.Config;
 import de.steamwar.fightsystem.states.FightState;
 import de.steamwar.fightsystem.states.StateDependent;
+import lombok.Getter;
 
 import java.io.*;
 import java.util.zip.GZIPOutputStream;
 
 public class FileRecorder extends StateDependent implements Recorder {
 
+    @Getter
     private static final File file = new File(Config.world.getWorldFolder(), "recording.recording");
     private DataOutputStream outputStream;
 
-    public static File getFile() {
-        return file;
-    }
-
     public FileRecorder(){
         super(Config.ReplayID == 0, FightState.Recording);
         register();

FightSystem_Core/src/de/steamwar/fightsystem/record/LiveRecorder.java

@@ -41,7 +41,7 @@ public class LiveRecorder extends StateDependent implements Recorder {
     @Override
     public void enable() {
         try {
-            socket = new Socket(Config.spectateIP, Config.spectatePort);
+            socket = new Socket(Config.spectateIP, Config.SpectatePort);
             socket.setSoTimeout(1); // Wait a maximum of 1ms on a blocking operation (flush)
             socket.setSoLinger(true, 1); // Wait a maximum of 1ms on disable
             socket.setTcpNoDelay(true); // Don't wait on ack

FightSystem_Core/src/de/steamwar/fightsystem/record/LiveServer.java

@@ -33,7 +33,7 @@ public class LiveServer {
     private final ServerSocket socket;
 
     public LiveServer() throws IOException {
-        socket = new ServerSocket(Config.spectatePort);
+        socket = new ServerSocket(Config.SpectatePort);
         Bukkit.getScheduler().runTaskAsynchronously(FightSystem.getPlugin(), this::acceptConnections);
     }
 

FightSystem_Core/src/de/steamwar/fightsystem/record/PacketProcessor.java

@@ -88,8 +88,8 @@ public class PacketProcessor implements Listener {
     private final PacketSource source;
     private final BukkitTask task;
     private final LinkedList<Runnable> syncList = new LinkedList<>();
-    private final Set<Integer> hiddenBlockIds = Config.HiddenBlocks.stream().map(String::toUpperCase).map(Material::getMaterial).flatMap(m -> BlockIds.impl.materialToAllIds(m).stream()).collect(Collectors.toSet());
-    private final int obfuscateWith = BlockIds.impl.materialToId(Material.getMaterial(Config.ObfuscateWith.toUpperCase()));
+    private final Set<Integer> hiddenBlockIds = Config.HiddenBlocks.stream().flatMap(m -> BlockIds.impl.materialToAllIds(m).stream()).collect(Collectors.toSet());
+    private final int obfuscateWith = BlockIds.impl.materialToId(Config.ObfuscateWith);
     private final FreezeWorld freezer = new FreezeWorld();
     private final REntityServer entityServer = new REntityServer();
     private final Map<Integer, REntity> entities = new HashMap<>();
@@ -165,6 +165,11 @@ public class PacketProcessor implements Listener {
             entityServer.addPlayer(player);
     }
 
+    private void addREntity(int entityId, REntity entity) {
+        entities.put(entityId, entity);
+        FightSystem.getHullHider().updateREntity(entity);
+    }
+
     @EventHandler(priority = EventPriority.MONITOR, ignoreCancelled = true)
     public void onPlayerJoin(PlayerJoinEvent e) {
         entityServer.addPlayer(e.getPlayer());
@@ -235,7 +240,7 @@ public class PacketProcessor implements Listener {
 
         execSync(() -> {
             SteamwarUser user = SteamwarUser.get(userId);
-            entities.put(entityId, new RPlayer(entityServer, user.getUUID(), user.getUserName(), Config.SpecSpawn));
+            addREntity(entityId, new RPlayer(entityServer, user.getUUID(), user.getUserName(), Config.SpecSpawn));
             team.addEntry(user.getUserName());
         });
     }
@@ -257,8 +262,10 @@ public class PacketProcessor implements Listener {
 
         execSync(() -> {
             REntity entity = entities.get(entityId);
-            if(entity != null)
+            if(entity != null) {
                 entity.move(locX, locY, locZ, pitch, yaw, headYaw);
+                FightSystem.getHullHider().updateREntity(entity);
+            }
         });
     }
 
@@ -267,8 +274,10 @@ public class PacketProcessor implements Listener {
 
         execSync(() -> {
             REntity entity = entities.remove(entityId);
-            if(entity != null)
+            if(entity != null) {
+                FightSystem.getHullHider().despawnREntity(entity);
                 entity.die();
+            }
         });
     }
 
@@ -289,7 +298,7 @@ public class PacketProcessor implements Listener {
     private void tntSpawn() throws IOException {
         int entityId = source.readInt();
 
-        execSync(() -> entities.put(entityId, new REntity(entityServer, EntityType.PRIMED_TNT, Config.SpecSpawn)));
+        execSync(() -> addREntity(entityId, new REntity(entityServer, EntityType.PRIMED_TNT, Config.SpecSpawn)));
     }
 
     private void entityVelocity() throws IOException {
@@ -344,13 +353,13 @@ public class PacketProcessor implements Listener {
     private void arrowSpawn() throws IOException {
         int entityId = source.readInt();
 
-        execSync(() -> entities.put(entityId, new REntity(entityServer, EntityType.ARROW, Config.SpecSpawn)));
+        execSync(() -> addREntity(entityId, new REntity(entityServer, EntityType.ARROW, Config.SpecSpawn)));
     }
 
     private void fireballSpawn() throws IOException {
         int entityId = source.readInt();
 
-        execSync(() -> entities.put(entityId, new REntity(entityServer, EntityType.FIREBALL, Config.SpecSpawn)));
+        execSync(() -> addREntity(entityId, new REntity(entityServer, EntityType.FIREBALL, Config.SpecSpawn)));
     }
 
     private void send(ChatMessageType type) throws IOException {
@@ -437,7 +446,10 @@ public class PacketProcessor implements Listener {
         if(!Config.ArenaRegion.in2dRegion(x, z))
             return; //Outside of the arena
 
-        execSync(() -> BlockIdWrapper.impl.setBlock(Config.world, x, y, z, TechHiderWrapper.ENABLED && hiddenBlockIds.contains(blockState) ? obfuscateWith : blockState));
+        execSync(() -> {
+            BlockIdWrapper.impl.setBlock(Config.world, x, y, z, TechHiderWrapper.ENABLED && hiddenBlockIds.contains(blockState) ? obfuscateWith : blockState);
+            FightSystem.getHullHider().blockUpdate(Config.world.getBlockAt(x, y, z), BlockIdWrapper.impl.idToMaterial(blockState));
+        });
     }
 
     private void particle() throws IOException {
@@ -578,6 +590,7 @@ public class PacketProcessor implements Listener {
     private void endReplay() {
         HandlerList.unregisterAll(this);
         entityServer.close();
+        entities.values().forEach(FightSystem.getHullHider()::despawnREntity);
         entities.clear();
 
         freezer.disable();

FightSystem_Core/src/de/steamwar/fightsystem/record/Recorder.java

@@ -36,6 +36,7 @@ import org.bukkit.Bukkit;
 import org.bukkit.Location;
 import org.bukkit.block.Block;
 import org.bukkit.entity.Entity;
+import org.bukkit.entity.LivingEntity;
 import org.bukkit.entity.Player;
 import org.bukkit.inventory.ItemStack;
 import org.bukkit.util.Vector;
@@ -68,7 +69,7 @@ public interface Recorder {
         if(FightState.AntiSpectate.contains(FightState.getFightState())){
             for(FightPlayer player : team.getPlayers()){
                 if(player.isLiving()){
-                    playerJoins(player.getPlayer());
+                    playerJoins(player.getEntity(), player.getUser());
                 }
             }
         }
@@ -148,9 +149,7 @@ public interface Recorder {
      * 0x08: Message following
      * */
 
-    default void playerJoins(Player p){
-        SteamwarUser user = SteamwarUser.get(p.getUniqueId());
-
+    default void playerJoins(LivingEntity p, SteamwarUser user){
         write(0x00, p.getEntityId(), user.getId());
         entityMoves(p);
     }

FightSystem_Core/src/de/steamwar/fightsystem/states/FightState.java

@@ -19,6 +19,8 @@
 
 package de.steamwar.fightsystem.states;
 
+import lombok.Getter;
+
 import java.util.*;
 
 public enum FightState {
@@ -48,12 +50,9 @@ public enum FightState {
     public static final Set<FightState> AntiSpectate = Collections.unmodifiableSet(EnumSet.complementOf(EnumSet.of(SPECTATE)));
 
     private static final Map<IStateDependent, Boolean> stateDependentFeatures = new HashMap<>();
+    @Getter
     private static FightState fightState = PRE_LEADER_SETUP;
 
-    public static FightState getFightState() {
-        return fightState;
-    }
-
     public static void registerStateDependent(IStateDependent stateDependent){
         if(stateDependent.enabled().isEmpty())
             return;

FightSystem_Core/src/de/steamwar/fightsystem/utils/BlockIdWrapper.java

@@ -19,14 +19,28 @@
 
 package de.steamwar.fightsystem.utils;
 
+import com.comphenix.tinyprotocol.Reflection;
 import de.steamwar.core.VersionDependent;
 import de.steamwar.fightsystem.FightSystem;
+import org.bukkit.Material;
 import org.bukkit.World;
 import org.bukkit.block.Block;
+import org.bukkit.entity.Player;
 
 public interface BlockIdWrapper {
+    Class<?> worldServer = Reflection.getClass("{nms.server.level}.WorldServer");
+    Reflection.MethodInvoker getWorldHandle = Reflection.getTypedMethod(Reflection.getClass("{obc}.CraftWorld"), "getHandle", worldServer);
+
+    Class<?> craftPlayer = Reflection.getClass("{obc}.entity.CraftPlayer");
+    Class<?> entityPlayer = Reflection.getClass("{nms.server.level}.EntityPlayer");
+    Reflection.MethodInvoker getPlayer = Reflection.getTypedMethod(craftPlayer, "getHandle", entityPlayer);
+
     BlockIdWrapper impl = VersionDependent.getVersionImpl(FightSystem.getPlugin());
 
+    Material idToMaterial(int blockState);
     int blockToId(Block block);
     void setBlock(World world, int x, int y, int z, int blockState);
+
+    void trackEntity(Player player, int entity);
+    void untrackEntity(Player player, int entity);
 }

FightSystem_Core/src/de/steamwar/fightsystem/utils/BungeeFightInfo.java

@@ -52,12 +52,12 @@ public class BungeeFightInfo {
                 Fight.getRedTeam().getColoredName(),
                 FightState.getFightState().name(),
                 StateDependentCountdown.getMainCountdown() != null ? StateDependentCountdown.getMainCountdown().getTimeLeft() : 0,
-                Fight.getBlueTeam().getLeader() != null ? SteamwarUser.get(Fight.getBlueTeam().getLeader().getPlayer().getUniqueId()).getId() : 0,
-                Fight.getRedTeam().getLeader() != null ? SteamwarUser.get(Fight.getRedTeam().getLeader().getPlayer().getUniqueId()).getId() : 0,
+                Fight.getBlueTeam().getLeader() != null ? Fight.getBlueTeam().getLeader().getUser().getId() : 0,
+                Fight.getRedTeam().getLeader() != null ? Fight.getRedTeam().getLeader().getUser().getId() : 0,
                 Fight.getBlueTeam().getSchematic(),
                 Fight.getRedTeam().getSchematic(),
-                Fight.getBlueTeam().getPlayers().stream().map(p -> SteamwarUser.get(p.getPlayer().getUniqueId()).getId()).collect(Collectors.toList()),
-                Fight.getRedTeam().getPlayers().stream().map(p -> SteamwarUser.get(p.getPlayer().getUniqueId()).getId()).collect(Collectors.toList()),
+                Fight.getBlueTeam().getPlayers().stream().map(p -> p.getUser().getId()).collect(Collectors.toList()),
+                Fight.getRedTeam().getPlayers().stream().map(p -> p.getUser().getId()).collect(Collectors.toList()),
                 Bukkit.getOnlinePlayers().stream().filter(p -> Fight.getPlayerTeam(p) == null).map(p -> SteamwarUser.get(p.getUniqueId()).getId()).collect(Collectors.toList())
         ));
     }

FightSystem_Core/src/de/steamwar/fightsystem/utils/EnterHandler.java

@@ -19,8 +19,6 @@
 
 package de.steamwar.fightsystem.utils;
 
-import de.steamwar.fightsystem.Config;
-import de.steamwar.fightsystem.countdown.EnternCountdown;
 import de.steamwar.fightsystem.fight.Fight;
 import de.steamwar.fightsystem.fight.FightPlayer;
 import de.steamwar.fightsystem.fight.FightTeam;
@@ -53,8 +51,7 @@ public class EnterHandler implements IStateDependent {
 
     private void registerTeam(FightTeam team){
         for(FightPlayer fp : team.getPlayers()){
-            if(Config.EnterStages.size() > fp.getKit().getEnterStage() && fp.getKit().getEnterStage() >= 0)
-                fp.setEnternCountdown(new EnternCountdown(fp));
+            fp.startEnternCountdown(null);
         }
     }
 

FightSystem_Core/src/de/steamwar/fightsystem/utils/FightStatistics.java

@@ -35,6 +35,7 @@ import de.steamwar.network.packets.common.FightEndsPacket;
 import de.steamwar.sql.Replay;
 import de.steamwar.sql.SchematicNode;
 import de.steamwar.sql.SteamwarUser;
+import lombok.Getter;
 import org.bukkit.Bukkit;
 
 import java.sql.Timestamp;
@@ -46,6 +47,7 @@ import static de.steamwar.sql.Fight.create;
 
 public class FightStatistics {
 
+    @Getter
     private static boolean unranked = false;
 
     public static void unrank() {
@@ -94,12 +96,12 @@ public class FightStatistics {
         Integer redSchem;
         try {
             blueSchem = SchematicNode.getSchematicNode(Fight.getBlueTeam().getSchematic()).getId();
-        } catch (SecurityException e) {
+        } catch (NullPointerException e) {
             blueSchem = null;
         }
         try {
             redSchem = SchematicNode.getSchematicNode(Fight.getRedTeam().getSchematic()).getId();
-        } catch (SecurityException e) {
+        } catch (NullPointerException e) {
             redSchem = null;
         }
 
@@ -132,7 +134,7 @@ public class FightStatistics {
         }
 
         if (!Bukkit.getOnlinePlayers().isEmpty() && !unranked) {
-            NetworkSender.send(new FightEndsPacket((byte) win, blueSchem == null ? 0 : blueSchem, redSchem == null ? 0 : redSchem, Fight.getBlueTeam().getPlayers().stream().map(FightPlayer::getPlayer).map(p -> SteamwarUser.get(p.getUniqueId())).map(SteamwarUser::getId).collect(Collectors.toList()), Fight.getRedTeam().getPlayers().stream().map(FightPlayer::getPlayer).map(p -> SteamwarUser.get(p.getUniqueId())).map(SteamwarUser::getId).collect(Collectors.toList()), gameMode, (int)(endTime.getEpochSecond() - starttime.toInstant().getEpochSecond())));
+            NetworkSender.send(new FightEndsPacket((byte) win, blueSchem == null ? 0 : blueSchem, redSchem == null ? 0 : redSchem, Fight.getBlueTeam().getPlayers().stream().map(FightPlayer::getUser).map(SteamwarUser::getId).collect(Collectors.toList()), Fight.getRedTeam().getPlayers().stream().map(FightPlayer::getUser).map(SteamwarUser::getId).collect(Collectors.toList()), gameMode, (int)(endTime.getEpochSecond() - starttime.toInstant().getEpochSecond())));
         }
 
         unranked = false;
@@ -140,14 +142,13 @@ public class FightStatistics {
 
     private int getLeader(FightTeam team) {
         if (team.getLeader() != null)
-            return SteamwarUser.get(team.getLeader().getPlayer().getUniqueId()).getId();
+            return team.getLeader().getUser().getId();
         else if (team.getDesignatedLeader() != null)
             return SteamwarUser.get(team.getDesignatedLeader()).getId();
         return 0;
     }
 
     private void savePlayerStats(FightPlayer fp, int fightId) {
-        SteamwarUser user = SteamwarUser.get(fp.getPlayer().getUniqueId());
-        de.steamwar.sql.FightPlayer.create(fightId, user.getId(), fp.getTeam().isBlue(), fp.getKit().getName(), fp.getKills(), !fp.isLiving());
+        de.steamwar.sql.FightPlayer.create(fightId, fp.getUser().getId(), fp.getTeam().isBlue(), fp.getKit().getName(), fp.getKills(), !fp.isLiving());
     }
 }

FightSystem_Core/src/de/steamwar/fightsystem/utils/FightUI.java

@@ -31,6 +31,7 @@ import de.steamwar.fightsystem.states.OneShotStateDependent;
 import de.steamwar.fightsystem.states.StateDependentCountdown;
 import de.steamwar.fightsystem.states.StateDependentTask;
 import de.steamwar.fightsystem.winconditions.Wincondition;
+import lombok.Getter;
 import org.bukkit.Bukkit;
 import org.bukkit.entity.Player;
 
@@ -43,10 +44,8 @@ import java.util.stream.Collectors;
 
 public class FightUI {
 
+    @Getter
     private static FightUI instance;
-    public static FightUI getInstance() {
-        return instance;
-    }
 
     public FightUI() {
         new StateDependentTask(ArenaMode.AntiReplay, FightState.All, this::update, 20, 20);

FightSystem_Core/src/de/steamwar/fightsystem/utils/FlatteningWrapper.java

@@ -22,6 +22,7 @@ package de.steamwar.fightsystem.utils;
 import de.steamwar.core.VersionDependent;
 import de.steamwar.fightsystem.FightSystem;
 import org.bukkit.DyeColor;
+import org.bukkit.Material;
 import org.bukkit.World;
 import org.bukkit.block.Block;
 import org.bukkit.entity.Player;
@@ -49,4 +50,5 @@ public interface FlatteningWrapper {
     boolean isFacingWater(Block dispenser);
 
     boolean isCrouching(Player player);
+    void sendBlockChange(Player player, Block block, Material type);
 }

FightSystem_Core/src/de/steamwar/fightsystem/utils/Hull.java

@@ -0,0 +1,379 @@
+/*
+ *   This file is a part of the SteamWar software.
+ *
+ *   Copyright (C) 2023  SteamWar.de-Serverteam
+ *
+ *   This program is free software: you can redistribute it and/or modify
+ *   it under the terms of the GNU Affero General Public License as published by
+ *   the Free Software Foundation, either version 3 of the License, or
+ *   (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ *   GNU Affero General Public License for more details.
+ *
+ *   You should have received a copy of the GNU Affero General Public License
+ *   along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package de.steamwar.fightsystem.utils;
+
+import com.comphenix.tinyprotocol.TinyProtocol;
+import de.steamwar.entity.REntity;
+import de.steamwar.fightsystem.Config;
+import de.steamwar.fightsystem.FightSystem;
+import de.steamwar.fightsystem.fight.FightTeam;
+import lombok.AllArgsConstructor;
+import lombok.Getter;
+import org.bukkit.Location;
+import org.bukkit.Material;
+import org.bukkit.block.Block;
+import org.bukkit.entity.Entity;
+import org.bukkit.entity.Player;
+
+import java.util.*;
+import java.util.function.BiConsumer;
+import java.util.logging.Level;
+
+public class Hull {
+
+    private static boolean isOccluding(Material material) {
+        return material.isOccluding() || Config.HiddenBlocks.contains(material);
+    }
+
+    private final Region region;
+    private final boolean groundVisible;
+
+    private final BitSet occluding;
+    private final BitSet visibility;
+    private final Map<IntVector, Map<IntVector, BitSet>> blockVisibility = new HashMap<>();
+    private final Set<IntVector> uncoveredSurface = new HashSet<>();
+
+    private final HashSet<Player> players = new HashSet<>();
+    private final Set<Entity> entities = new HashSet<>();
+    private final Set<REntity> rentities = new HashSet<>();
+
+    public Hull(FightTeam team) {
+        this.region = team.getSchemRegion();
+        this.groundVisible = region.getMinY() != Config.PlayerRegion.getMinY();
+        this.occluding = new BitSet(region.volume());
+        this.visibility = new BitSet(region.volume());
+
+        IntVector[] directions;
+        if (groundVisible) {
+            directions = new IntVector[]{
+                    new IntVector(1, 0, 0),
+                    new IntVector(-1, 0, 0),
+                    new IntVector(0, 1, 0),
+                    new IntVector(0, -1, 0),
+                    new IntVector(0, 0, 1),
+                    new IntVector(0, 0, -1)
+            };
+        } else {
+            directions = new IntVector[]{
+                    new IntVector(1, 0, 0),
+                    new IntVector(-1, 0, 0),
+                    new IntVector(0, -1, 0),
+                    new IntVector(0, 0, 1),
+                    new IntVector(0, 0, -1)
+            };
+        }
+
+        // Generate quadrants for each direction
+        for (IntVector direction : directions) {
+            Map<IntVector, BitSet> map = new HashMap<>();
+            for (int z = (direction.z == 0 ? -1 : 0); z <= 1; z += 2) {
+                for (int y = (direction.y == 0 ? -1 : 0); y <= 1; y += 2) {
+                    for (int x = (direction.x == 0 ? -1 : 0); x <= 1; x += 2) {
+                        map.put(new IntVector(x, y, z), new BitSet(region.volume()));
+                    }
+                }
+            }
+            blockVisibility.put(direction, map);
+        }
+    }
+
+    public boolean blockPrecise(Player player, int chunkX, int chunkY, int chunkZ) {
+        return players.contains(player) && !region.chunkSectionOutside(chunkX, chunkY, chunkZ);
+    }
+
+    public boolean isBlockHidden(Player player, int x, int y, int z) {
+        return region.inRegion(x, y, z) && players.contains(player) && !visibility.get(((y - region.getMinY()) * region.getSizeZ() + (z - region.getMinZ())) * region.getSizeX() + (x - region.getMinX()));
+    }
+
+    public boolean isLocationHidden(Player player, Location location) {
+        return players.contains(player) && region.inRegion(location) && !visibility.get(new IntVector(location).toId(region));
+    }
+
+    public void addPlayer(Player player) {
+        if(players.add(player)) {
+            for(Entity entity : entities)
+                BlockIdWrapper.impl.untrackEntity(player, entity.getEntityId());
+        }
+    }
+
+    public void removePlayer(Player player, boolean activeRemoval) {
+        if(players.remove(player) && activeRemoval) {
+            for(Entity entity : entities)
+                BlockIdWrapper.impl.trackEntity(player, entity.getEntityId());
+            // techhider triggers block change sending
+        }
+    }
+
+    public void checkEntity(Entity entity) {
+        Location location = entity.getLocation();
+        if(region.inRegion(location) && !visibility.get(new IntVector(location).toId(region))) { //TODO more precise
+            if(entities.add(entity)) {
+                for(Player player : players)
+                    BlockIdWrapper.impl.untrackEntity(player, entity.getEntityId());
+            }
+        } else {
+            if(entities.remove(entity)) {
+                for(Player player : players)
+                    BlockIdWrapper.impl.trackEntity(player, entity.getEntityId());
+            }
+        }
+    }
+
+    public void removeEntity(Entity entity) {
+        entities.remove(entity);
+    }
+
+    public void checkREntity(REntity entity) {
+        Location location = new Location(Config.world, entity.getX(), entity.getY(), entity.getZ());
+        if(region.inRegion(location) && !visibility.get(new IntVector(location).toId(region))) { //TODO more precise
+            if(rentities.add(entity))
+                entity.hide(true);
+        } else {
+            if(rentities.remove(entity))
+                entity.hide(false);
+        }
+    }
+
+    public void removeREntity(REntity entity) {
+        rentities.remove(entity);
+    }
+
+    public void initialize() {
+        visibility.clear();
+        occluding.clear();
+        uncoveredSurface.clear();
+        for (Map<IntVector, BitSet> direction : blockVisibility.values()) {
+            for (BitSet set : direction.values())
+                set.clear();
+        }
+
+        long start = System.currentTimeMillis();
+        region.forEach((x, y, z) -> {
+            IntVector block = new IntVector(x, y, z);
+            if (isOccluding(Config.world.getBlockAt(x, y, z).getType()))
+                occluding.set(block.toId(region));
+        });
+        forEachBorder((root, direction) -> {
+            for (Map.Entry<IntVector, BitSet> quadrant : blockVisibility.get(direction).entrySet()) {
+                checkBlock(new NullList<>(), root, direction, quadrant.getKey(), quadrant.getValue());
+            }
+        });
+        FightSystem.getPlugin().getLogger().log(Level.INFO, () -> "[HullHider] initialisation finished: " + (System.currentTimeMillis() - start) + " ms, visible blocks: " + visibility.cardinality());
+    }
+
+    public void updateBlockVisibility(Block b, Material changedType) {
+        IntVector root = new IntVector(b.getX(), b.getY(), b.getZ());
+        if (root.notInRegion(region))
+            return;
+
+        int id = root.toId(region);
+        if (!occluding.get(id) || isOccluding(changedType))
+            return;
+
+        List<IntVector> uncovered = new ArrayList<>();
+        occluding.clear(id);
+        for (Map.Entry<IntVector, Map<IntVector, BitSet>> direction : blockVisibility.entrySet()) {
+            for (Map.Entry<IntVector, BitSet> quadrant : direction.getValue().entrySet()) {
+                if (quadrant.getValue().get(id)) {
+                    quadrant.getValue().clear(id);
+                    checkBlock(uncovered, root, direction.getKey(), quadrant.getKey(), quadrant.getValue());
+                }
+            }
+        }
+
+        if(uncovered.isEmpty())
+            return;
+
+        Set<IntVector> uncoveredSet = new HashSet<>(uncovered);
+        Iterator<Entity> it = entities.iterator();
+        while(it.hasNext()) {
+            Entity entity = it.next();
+            if(uncoveredSet.contains(new IntVector(entity.getLocation()))) { //TODO more precise
+                it.remove();
+                for(Player player : players)
+                    BlockIdWrapper.impl.trackEntity(player, entity.getEntityId());
+            }
+        }
+
+        Iterator<REntity> rit = rentities.iterator();
+        while(rit.hasNext()) {
+            REntity entity = rit.next();
+            if(uncoveredSet.contains(new IntVector(new Location(Config.world, entity.getX(), entity.getY(), entity.getZ())))) { //TODO more precise
+                rit.remove();
+                entity.hide(false);
+            }
+        }
+
+        uncoveredSurface.addAll(uncoveredSet);
+        uncoveredSurface.remove(root);
+    }
+
+    public void sendUncoveredBlocks() {
+        Map<IntVector, List<IntVector>> sectionWise = new HashMap<>();
+
+        for(IntVector uncovered : uncoveredSurface) {
+            sectionWise.computeIfAbsent(new IntVector(uncovered.x >> 4, uncovered.y >> 4, uncovered.z >> 4), section -> new ArrayList<>()).add(uncovered);
+        }
+        uncoveredSurface.clear();
+
+        for (Map.Entry<IntVector, List<IntVector>> entry : sectionWise.entrySet()) {
+            Object packet = HullHiderWrapper.impl.generateBlockChangePacket(entry.getValue());
+            if(packet == null)
+                continue;
+
+            players.forEach(player -> TinyProtocol.instance.sendPacket(player, packet));
+        }
+    }
+
+    private void forEachBorder(BiConsumer<IntVector, IntVector> f) {
+        for (int x = region.getMinX(); x < region.getMaxX(); x++) {
+            for (int z = region.getMinZ(); z < region.getMaxZ(); z++) {
+                if (groundVisible)
+                    f.accept(new IntVector(x, region.getMinY(), z), new IntVector(0, 1, 0));
+                f.accept(new IntVector(x, region.getMaxY() - 1, z), new IntVector(0, -1, 0));
+            }
+        }
+
+        for (int x = region.getMinX(); x < region.getMaxX(); x++) {
+            for (int y = region.getMinY(); y < region.getMaxY(); y++) {
+                f.accept(new IntVector(x, y, region.getMinZ()), new IntVector(0, 0, 1));
+                f.accept(new IntVector(x, y, region.getMaxZ() - 1), new IntVector(0, 0, -1));
+            }
+        }
+
+        for (int z = region.getMinZ(); z < region.getMaxZ(); z++) {
+            for (int y = region.getMinY(); y < region.getMaxY(); y++) {
+                f.accept(new IntVector(region.getMinX(), y, z), new IntVector(1, 0, 0));
+                f.accept(new IntVector(region.getMaxX() - 1, y, z), new IntVector(-1, 0, 0));
+            }
+        }
+    }
+
+    private void checkBlock(List<IntVector> uncovered, IntVector block, IntVector direction, IntVector quadrant, BitSet quadVisibility) {
+        if (block.notInRegion(region))
+            return;
+
+        int id = block.toId(region);
+        if (quadVisibility.get(id))
+            return;
+
+        quadVisibility.set(id);
+        if (!visibility.get(id)) {
+            visibility.set(id);
+            uncovered.add(block);
+        }
+
+        if (occluding.get(id))
+            return;
+
+        IntVector neighbour = block.add(direction);
+        checkBlock(uncovered, neighbour, direction, quadrant, quadVisibility);
+        boolean neigbourTransparent = boundedNonOccluding(neighbour);
+        boolean diagonalReachable = false;
+        if (direction.x == 0 && (neigbourTransparent || boundedNonOccluding(block.add(quadrant.x, 0, 0)))) {
+            checkBlock(uncovered, neighbour.add(quadrant.x, 0, 0), direction, quadrant, quadVisibility);
+            diagonalReachable = boundedNonOccluding(neighbour.add(quadrant.x, 0, 0));
+        }
+
+        if (direction.y == 0 && (neigbourTransparent || boundedNonOccluding(block.add(0, quadrant.y, 0)))) {
+            checkBlock(uncovered, neighbour.add(0, quadrant.y, 0), direction, quadrant, quadVisibility);
+            diagonalReachable = diagonalReachable || boundedNonOccluding(neighbour.add(0, quadrant.y, 0));
+        }
+
+        if (direction.z == 0 && (neigbourTransparent || boundedNonOccluding(block.add(0, 0, quadrant.z)))) {
+            checkBlock(uncovered, neighbour.add(0, 0, quadrant.z), direction, quadrant, quadVisibility);
+            diagonalReachable = diagonalReachable || boundedNonOccluding(neighbour.add(0, 0, quadrant.z));
+        }
+
+        if (diagonalReachable)
+            checkBlock(uncovered, neighbour.add(quadrant), direction, quadrant, quadVisibility);
+    }
+
+    private boolean boundedNonOccluding(IntVector block) {
+        return !(block.notInRegion(region) || occluding.get(block.toId(region)));
+    }
+
+
+    @Getter
+    @AllArgsConstructor
+    public static class IntVector {
+        private final int x;
+        private final int y;
+        private final int z;
+
+        public IntVector(Location location) {
+            this.x = location.getBlockX();
+            this.y = location.getBlockY();
+            this.z = location.getBlockZ();
+        }
+
+        public boolean notInRegion(Region region) {
+            return !region.inRegion(x, y, z);
+        }
+
+        public int toId(Region region) {
+            return ((y - region.getMinY()) * region.getSizeZ() + (z - region.getMinZ())) * region.getSizeX() + (x - region.getMinX());
+        }
+
+        public IntVector add(int x, int y, int z) {
+            return new IntVector(this.x + x, this.y + y, this.z + z);
+        }
+
+        public IntVector add(IntVector v) {
+            return add(v.x, v.y, v.z);
+        }
+
+        @Override
+        public int hashCode() {
+            return y << 24 ^ x << 12 ^ z;
+        }
+
+        @Override
+        public boolean equals(Object o) {
+            if(o == null || this.getClass() != o.getClass())
+                return false;
+
+            IntVector v = (IntVector) o;
+            return x == v.x && y == v.y && z == v.z;
+        }
+
+        @Override
+        public String toString() {
+            return x + "," + y + "," + z;
+        }
+    }
+
+    private static class NullList<E> extends AbstractList<E> {
+        @Override
+        public void add(int index, E element) {
+            // Straight to /dev/null!
+        }
+
+        @Override
+        public E get(int index) {
+            return null;
+        }
+
+        @Override
+        public int size() {
+            return 0;
+        }
+    }
+}

FightSystem_Core/src/de/steamwar/fightsystem/utils/HullHider.java

@@ -0,0 +1,241 @@
+/*
+    This file is a part of the SteamWar software.
+
+    Copyright (C) 2022  SteamWar.de-Serverteam
+
+    This program is free software: you can redistribute it and/or modify
+    it under the terms of the GNU Affero General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+    GNU Affero General Public License for more details.
+
+    You should have received a copy of the GNU Affero General Public License
+    along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package de.steamwar.fightsystem.utils;
+
+import com.comphenix.tinyprotocol.Reflection;
+import com.comphenix.tinyprotocol.TinyProtocol;
+import de.steamwar.core.Core;
+import de.steamwar.entity.REntity;
+import de.steamwar.fightsystem.Config;
+import de.steamwar.fightsystem.fight.Fight;
+import de.steamwar.fightsystem.fight.FightPlayer;
+import de.steamwar.fightsystem.fight.FightTeam;
+import de.steamwar.fightsystem.listener.Recording;
+import de.steamwar.fightsystem.states.FightState;
+import de.steamwar.fightsystem.states.StateDependent;
+import de.steamwar.fightsystem.states.StateDependentListener;
+import de.steamwar.fightsystem.states.StateDependentTask;
+import de.steamwar.techhider.TechHider;
+import org.bukkit.Bukkit;
+import org.bukkit.Location;
+import org.bukkit.Material;
+import org.bukkit.block.Block;
+import org.bukkit.entity.Player;
+import org.bukkit.event.EventHandler;
+import org.bukkit.event.EventPriority;
+import org.bukkit.event.Listener;
+import org.bukkit.event.block.BlockPhysicsEvent;
+import org.bukkit.event.entity.EntityDeathEvent;
+import org.bukkit.event.entity.EntitySpawnEvent;
+import org.bukkit.event.player.PlayerJoinEvent;
+import org.bukkit.event.player.PlayerQuitEvent;
+
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+import java.util.Objects;
+import java.util.function.BiFunction;
+import java.util.function.Function;
+
+public class HullHider implements Listener {
+
+    private final Map<FightTeam, Hull> hullMap = new HashMap<>();
+    private final Hull[] hulls;
+    private final Map<Class<?>, BiFunction<Player, Object, Object>> packetHiders = new HashMap<>();
+
+    public HullHider() {
+        if(!TechHiderWrapper.ENABLED) {
+            hulls = new Hull[0];
+            return;
+        }
+
+        Fight.teams().forEach(team -> hullMap.put(team, new Hull(team)));
+        hulls = hullMap.values().toArray(new Hull[0]);
+
+        packetHiders.put(packetPlayOutWorldEvent, this::worldEventHider);
+        packetHiders.put(packetPlayOutExplosion, this::explosionHider);
+        posHiderGenerator("{nms.network.protocol.game}.PacketPlayOutWorldParticles", Core.getVersion() >= 18 ? double.class : float.class, 1.0);
+        posHiderGenerator("{nms.network.protocol.game}.PacketPlayOutNamedSoundEffect", int.class, 8.0);
+        if(Core.getVersion() >= 9 && Core.getVersion() < 18)
+            posHiderGenerator("{nms.network.protocol.game}.PacketPlayOutCustomSoundEffect", int.class, 8.0);
+
+        new StateDependentListener(TechHiderWrapper.ENABLED, FightState.Schem, this);
+        new StateDependent(TechHiderWrapper.ENABLED, FightState.Schem) {
+            @Override
+            public void enable() {
+                packetHiders.forEach(TinyProtocol.instance::addFilter);
+                Bukkit.getOnlinePlayers().forEach(HullHider.this::updatePlayer);
+            }
+
+            @Override
+            public void disable() {
+                Bukkit.getOnlinePlayers().forEach(player -> removePlayer(player, true));
+                packetHiders.forEach(TinyProtocol.instance::removeFilter);
+            }
+        }.register();
+        new StateDependentTask(TechHiderWrapper.ENABLED, FightState.Schem, this::onTick, 0, 1);
+    }
+
+    public void initialize(FightTeam team) {
+        if(!TechHiderWrapper.ENABLED)
+            return;
+
+        hullMap.get(team).initialize();
+    }
+
+
+    @EventHandler(priority = EventPriority.HIGH)
+    public void onJoin(PlayerJoinEvent e) {
+        updatePlayer(e.getPlayer());
+    }
+
+    @EventHandler
+    public void onLeave(PlayerQuitEvent e) {
+        removePlayer(e.getPlayer(), false);
+    }
+
+    public void updatePlayer(Player player) {
+        if(!TechHiderWrapper.ENABLED)
+            return;
+
+        FightTeam team = Fight.getPlayerTeam(player);
+        FightPlayer fp = Fight.getFightPlayer(player);
+        for(Map.Entry<FightTeam, Hull> hull : hullMap.entrySet()) {
+            if(Config.isReferee(player) || hull.getKey() == team || (fp != null && fp.canEntern())) {
+                hull.getValue().removePlayer(player, true);
+            } else {
+                hull.getValue().addPlayer(player);
+            }
+        }
+    }
+
+    private void removePlayer(Player player, boolean activeRemoval) {
+        for (Hull hull : hulls)
+            hull.removePlayer(player, activeRemoval);
+    }
+
+
+    @EventHandler(priority = EventPriority.MONITOR, ignoreCancelled = true)
+    public void onBlockPhysic(BlockPhysicsEvent e) {
+        if(FlatteningWrapper.impl.doRecord(e))
+            blockUpdate(e.getBlock(), e.getChangedType());
+    }
+
+    public void blockUpdate(Block block, Material changedType) {
+        for (Hull hull : hulls)
+            hull.updateBlockVisibility(block, changedType);
+    }
+
+    public boolean isBlockHidden(Player player, int x, int y, int z) {
+        if(!TechHiderWrapper.ENABLED)
+            return false;
+
+        for (Hull hull : hulls)
+            if(hull.isBlockHidden(player, x, y, z))
+                return true;
+
+        return false;
+    }
+
+    public boolean blockPrecise(Player player, int chunkX, int chunkY, int chunkZ) {
+        if(!TechHiderWrapper.ENABLED)
+            return false;
+
+        for (Hull hull : hulls)
+            if(hull.blockPrecise(player, chunkX, chunkY, chunkZ))
+                return true;
+
+        return false;
+    }
+
+    @EventHandler(priority = EventPriority.MONITOR, ignoreCancelled = true)
+    public void onSpawn(EntitySpawnEvent e) {
+        for (Hull hull : hulls)
+            hull.checkEntity(e.getEntity());
+    }
+
+    private void onTick() {
+        Recording.iterateOverEntities(Objects::nonNull, entity -> {
+            for (Hull hull : hulls)
+                hull.checkEntity(entity);
+        });
+
+        for (Hull hull : hulls)
+            hull.sendUncoveredBlocks();
+    }
+
+    @EventHandler(priority = EventPriority.MONITOR, ignoreCancelled = true)
+    public void onDeath(EntityDeathEvent e) {
+        for(Hull hull : hulls)
+            hull.removeEntity(e.getEntity());
+    }
+
+    public void updateREntity(REntity e) {
+        for(Hull hull : hulls)
+            hull.checkREntity(e);
+    }
+
+    public void despawnREntity(REntity e) {
+        for(Hull hull : hulls)
+            hull.removeREntity(e);
+    }
+
+
+    private static final Class<?> packetPlayOutWorldEvent = Reflection.getClass("{nms.network.protocol.game}.PacketPlayOutWorldEvent");
+    private static final Reflection.FieldAccessor<?> worldEventPosition = Reflection.getField(packetPlayOutWorldEvent, TechHider.blockPosition, 0);
+    public static final Reflection.FieldAccessor<Integer> blockPositionY = Reflection.getField("{nms.core}.BaseBlockPosition", int.class, 1);
+    private Object worldEventHider(Player player, Object packet) {
+        Object baseBlock = worldEventPosition.get(packet);
+        return packetHider(player, packet, new Location(Config.world, TechHider.blockPositionX.get(baseBlock), blockPositionY.get(baseBlock), TechHider.blockPositionZ.get(baseBlock)));
+    }
+
+    private static final Class<?> packetPlayOutExplosion = Reflection.getClass("{nms.network.protocol.game}.PacketPlayOutExplosion");
+    private static final Reflection.FieldAccessor<List> explosionBlocks = Reflection.getField(packetPlayOutExplosion, List.class, 0);
+    private static final Function<Object, Location> explosionLocation = posPacketToLocation(packetPlayOutExplosion, double.class, 1.0);
+    private Object explosionHider(Player player, Object packet) {
+        if(explosionBlocks.get(packet).isEmpty())
+            return packetHider(player, packet, explosionLocation.apply(packet));
+
+        return packet;
+    }
+
+    private void posHiderGenerator(String typeName, Class<? extends Number> posType, double factor) {
+        Class<?> type = Reflection.getClass(typeName);
+        Function<Object, Location> location = posPacketToLocation(type, posType, factor);
+        packetHiders.put(type, (player, packet) -> packetHider(player, packet, location.apply(packet)));
+    }
+
+    private static Function<Object, Location> posPacketToLocation(Class<?> type, Class<? extends Number> posType, double factor) {
+        Reflection.FieldAccessor<? extends Number> x = Reflection.getField(type, posType, 0);
+        Reflection.FieldAccessor<? extends Number> y = Reflection.getField(type, posType, 1);
+        Reflection.FieldAccessor<? extends Number> z = Reflection.getField(type, posType, 2);
+
+        return packet -> new Location(Config.world, x.get(packet).doubleValue()/factor, y.get(packet).doubleValue()/factor, z.get(packet).doubleValue()/factor);
+    }
+
+    private Object packetHider(Player player, Object packet, Location location) {
+        for(Hull hull : hulls) {
+            if(hull.isLocationHidden(player, location))
+                return null;
+        }
+
+        return packet;
+    }
+}

FightSystem_Core/src/de/steamwar/fightsystem/utils/HullHiderWrapper.java

@@ -0,0 +1,31 @@
+/*
+ *   This file is a part of the SteamWar software.
+ *
+ *   Copyright (C) 2024  SteamWar.de-Serverteam
+ *
+ *   This program is free software: you can redistribute it and/or modify
+ *   it under the terms of the GNU Affero General Public License as published by
+ *   the Free Software Foundation, either version 3 of the License, or
+ *   (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ *   GNU Affero General Public License for more details.
+ *
+ *   You should have received a copy of the GNU Affero General Public License
+ *   along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package de.steamwar.fightsystem.utils;
+
+import de.steamwar.core.VersionDependent;
+import de.steamwar.fightsystem.FightSystem;
+
+import java.util.List;
+
+public interface HullHiderWrapper {
+    HullHiderWrapper impl = VersionDependent.getVersionImpl(FightSystem.getPlugin());
+
+    Object generateBlockChangePacket(List<Hull.IntVector> changes);
+}

FightSystem_Core/src/de/steamwar/fightsystem/utils/ItemBuilder.java

@@ -25,51 +25,26 @@ import org.bukkit.inventory.ItemFlag;
 import org.bukkit.inventory.ItemStack;
 import org.bukkit.inventory.meta.ItemMeta;
 
-import java.util.List;
-
 public class ItemBuilder {
 
 	private final ItemStack item;
 	private final ItemMeta meta;
 
-	public ItemBuilder(Material matrial) {
-		item = new ItemStack(matrial);
-		meta = item.getItemMeta();
-	}
-
-	public ItemBuilder(Material matrial, int amount) {
-		item = new ItemStack(matrial, amount);
+	public ItemBuilder(Material material) {
+		item = new ItemStack(material);
 		meta = item.getItemMeta();
+		meta.addItemFlags(ItemFlag.values());
 	}
 
 	@SuppressWarnings("deprecation")
-	public ItemBuilder(Material matrial, short subid) {
-		item = new ItemStack(matrial, 1, subid);
+	public ItemBuilder(Material material, short subid) {
+		item = new ItemStack(material, 1, subid);
 		meta = item.getItemMeta();
+		meta.addItemFlags(ItemFlag.values());
 	}
 
-	public ItemBuilder removeAllAttributes() {
-		meta.addItemFlags(ItemFlag.HIDE_ATTRIBUTES);
-		meta.addItemFlags(ItemFlag.HIDE_DESTROYS);
-		meta.addItemFlags(ItemFlag.HIDE_UNBREAKABLE);
-		meta.addItemFlags(ItemFlag.HIDE_ENCHANTS);
-		meta.addItemFlags(ItemFlag.HIDE_PLACED_ON);
-		meta.addItemFlags(ItemFlag.HIDE_POTION_EFFECTS);
-		return this;
-	}
-	
-	public ItemBuilder setDisplayName(String name) {
-		meta.setDisplayName(name);
-		return this;
-	}
-	
-	public ItemBuilder addLore(List<String> lore) {
-		meta.setLore(lore);
-		return this;
-	}
-	
-	public ItemBuilder addEnchantment(Enchantment enchantment, int level) {
-		meta.addEnchant(enchantment, level, true);
+	public ItemBuilder enchant() {
+		meta.addEnchant(Enchantment.DURABILITY, 1, true);
 		return this;
 	}
 	
@@ -77,5 +52,4 @@ public class ItemBuilder {
 		item.setItemMeta(meta);
 		return item;
 	}
-	
 }

FightSystem_Core/src/de/steamwar/fightsystem/utils/Message.java

@@ -19,7 +19,11 @@
 
 package de.steamwar.fightsystem.utils;
 
+import lombok.Getter;
+
+@Getter
 public class Message {
+
     private final String msg;
     private final Object[] params;
 
@@ -27,12 +31,4 @@ public class Message {
         this.msg = msg;
         this.params = params;
     }
-
-    public String getMsg() {
-        return msg;
-    }
-
-    public Object[] getParams() {
-        return params;
-    }
 }

FightSystem_Core/src/de/steamwar/fightsystem/utils/Region.java

@@ -19,13 +19,29 @@
 
 package de.steamwar.fightsystem.utils;
 
+import de.steamwar.techhider.ProtocolUtils;
+import lombok.AllArgsConstructor;
+import lombok.Getter;
 import org.bukkit.Location;
 import org.bukkit.block.Block;
 
 import java.util.function.ObjIntConsumer;
 
+@Getter
+@AllArgsConstructor
 public class Region {
 
+    public static final Region EMPTY = Region.fromSize(-10000, -10000, -10000, 0, 0, 0);
+
+    public static Region withExtension(int minX, int minY, int minZ, int sizeX, int sizeY, int sizeZ, int extendX, int extendY, int extendZ) {
+        return Region.fromSize(minX - extendX, minY - extendY, minZ - extendZ,
+                sizeX + extendX * 2, sizeY + extendY * 2, sizeZ + extendZ * 2);
+    }
+
+    public static Region fromSize(int minX, int minY, int minZ, int sizeX, int sizeY, int sizeZ) {
+        return new Region(minX, minY, minZ, minX+sizeX, minY+sizeY, minZ+sizeZ);
+    }
+
     private final int minX;
     private final int minY;
     private final int minZ;
@@ -33,70 +49,32 @@ public class Region {
     private final int maxY;
     private final int maxZ;
 
-    public Region(int minX, int minY, int minZ, int sizeX, int sizeY, int sizeZ, int extendX, int extendY, int extendZ) {
-        this(minX - extendX, minY - extendY, minZ - extendZ,
-             sizeX + extendX * 2, sizeY + extendY * 2, sizeZ + extendZ * 2);
-    }
-
-    public Region(int minX, int minY, int minZ, int sizeX, int sizeY, int sizeZ) {
-        this.minX = minX;
-        this.minY = minY;
-        this.minZ = minZ;
-        this.maxX = minX + sizeX;
-        this.maxY = minY + sizeY;
-        this.maxZ = minZ + sizeZ;
-    }
-
-    public int getMinX() {
-        return minX;
-    }
-
-    public int getMinY() {
-        return minY;
-    }
-
-    public int getMinZ() {
-        return minZ;
-    }
-
-    public int getMaxX() {
-        return maxX;
-    }
-
-    public int getMaxY() {
-        return maxY;
-    }
-
-    public int getMaxZ() {
-        return maxZ;
-    }
-
     public int getSizeX() {
         return maxX - minX;
     }
 
+    public int getSizeY() {
+        return maxY - minY;
+    }
+
     public int getSizeZ() {
         return maxZ - minZ;
     }
 
-    public double posToChunk(int pos){
-        return pos / 16.0;
-    }
-
     private int getMinChunkX(){
-        return (int) Math.floor(posToChunk(minX));
+        return ProtocolUtils.posToChunk(minX);
     }
 
     private int getMaxChunkX(){
-        return (int) Math.ceil(posToChunk(maxX));
+        return ProtocolUtils.posToChunk(maxX);
     }
 
     private int getMinChunkZ(){
-        return (int) Math.floor(posToChunk(minZ));
+        return ProtocolUtils.posToChunk(minZ);
     }
 
     private int getMaxChunkZ(){
-        return (int) Math.ceil(posToChunk(maxZ));
+        return ProtocolUtils.posToChunk(maxZ);
     }
 
     public boolean chunkOutside(int cX, int cZ) {
@@ -104,6 +82,12 @@ public class Region {
                getMinChunkZ() > cZ || cZ > getMaxChunkZ();
     }
 
+    public boolean chunkSectionOutside(int cX, int cY, int cZ) {
+        return getMinChunkX() > cX || cX > getMaxChunkX() ||
+                ProtocolUtils.posToChunk(minY) > cY || cY > ProtocolUtils.posToChunk(maxY) ||
+                getMinChunkZ() > cZ || cZ > getMaxChunkZ();
+    }
+
     public void forEachChunk(ObjIntConsumer<Integer> executor) {
         for(int x = getMinChunkX(); x <= getMaxChunkX(); x++)
             for(int z = getMinChunkZ(); z <= getMaxChunkZ(); z++)
@@ -113,7 +97,7 @@ public class Region {
     public void forEach(TriConsumer<Integer, Integer, Integer> executor) {
         for(int x = minX; x < maxX; x++) {
             for(int y = minY; y < maxY; y++) {
-                for (int z = minZ; z <= maxZ; z++) {
+                for (int z = minZ; z < maxZ; z++) {
                     executor.accept(x, y, z);
                 }
             }
@@ -141,7 +125,7 @@ public class Region {
     }
 
     public boolean playerInRegion(Location location){
-        return in2dRegion(location) && minY <= location.getY() && location.getY() + 1.8 < maxY;
+        return in2dRegion(location) && minY <= location.getY() && location.getY() < maxY;
     }
 
     public boolean in2dRegion(Block block){
@@ -149,13 +133,29 @@ public class Region {
     }
 
     public boolean in2dRegion(int x, int z) {
-        return minX <= x && x < maxX && minZ <= z && z <= maxZ;
+        return minX <= x && x < maxX && minZ <= z && z < maxZ;
     }
 
     public boolean inRegion(Block block){
         return in2dRegion(block) && minY <= block.getY() && block.getY() < maxY;
     }
 
+    public boolean inRegion(int x, int y, int z) {
+        return in2dRegion(x, z) && minY <= y && y < maxY;
+    }
+
+    public Region intersection(Region other) {
+        int x = Math.max(minX, other.minX);
+        int y = Math.max(minY, other.minY);
+        int z = Math.max(minZ, other.minZ);
+
+        return new Region(x, y, z, Math.min(maxX, other.maxX), Math.min(maxY, other.maxY), Math.min(maxZ, other.maxZ));
+    }
+
+    public Region to2d() {
+        return new Region(minX, Integer.MIN_VALUE/2, minZ, maxX, Integer.MAX_VALUE/2, maxZ);
+    }
+
     public interface TriConsumer<T, V, U>{
         void accept(T x, V y, U z);
     }

FightSystem_Core/src/de/steamwar/fightsystem/utils/TechHiderWrapper.java

@@ -22,29 +22,34 @@ package de.steamwar.fightsystem.utils;
 import de.steamwar.core.CraftbukkitWrapper;
 import de.steamwar.fightsystem.Config;
 import de.steamwar.fightsystem.FightSystem;
+import de.steamwar.fightsystem.events.BoardingEvent;
+import de.steamwar.fightsystem.events.TeamLeaveEvent;
+import de.steamwar.fightsystem.events.TeamSpawnEvent;
 import de.steamwar.fightsystem.fight.Fight;
 import de.steamwar.fightsystem.fight.FightTeam;
 import de.steamwar.fightsystem.states.FightState;
 import de.steamwar.fightsystem.states.StateDependent;
-import de.steamwar.techhider.ProtocolUtils;
+import de.steamwar.fightsystem.states.StateDependentListener;
 import de.steamwar.techhider.TechHider;
-import org.bukkit.Bukkit;
-import org.bukkit.Material;
 import org.bukkit.entity.Player;
+import org.bukkit.event.EventHandler;
+import org.bukkit.event.Listener;
+import org.bukkit.event.player.PlayerQuitEvent;
 
-import java.util.ArrayList;
-import java.util.Collections;
-import java.util.List;
-import java.util.stream.Collectors;
+import java.util.concurrent.ConcurrentHashMap;
 
-public class TechHiderWrapper extends StateDependent {
+public class TechHiderWrapper extends StateDependent implements TechHider.LocationEvaluator, Listener {
 
     public static final boolean ENABLED = !Config.OnlyPublicSchematics && !Config.test() && Config.TechhiderActive;
+
+    private final ConcurrentHashMap<Player, Region> hiddenRegion = new ConcurrentHashMap<>();
     private final TechHider techHider;
 
     public TechHiderWrapper() {
         super(ENABLED, FightState.Schem);
-        techHider = new TechHider(this::bypass, Material.getMaterial(Config.ObfuscateWith), Config.HiddenBlocks.stream().map(String::toUpperCase).map(Material::getMaterial).collect(Collectors.toSet()), Config.HiddenBlockEntities);
+        techHider = new TechHider(this, Config.ObfuscateWith, Config.HiddenBlocks, Config.HiddenBlockEntities);
+
+        new StateDependentListener(ENABLED, FightState.Schem, this);
         register();
     }
 
@@ -56,43 +61,82 @@ public class TechHiderWrapper extends StateDependent {
     @Override
     public void disable() {
         techHider.disable();
+        hiddenRegion.clear();
     }
 
-    public List<ProtocolUtils.ChunkPos> prepareChunkReload(Player p, boolean hide) {
-        if(!ENABLED)
-            return Collections.emptyList();
+    @EventHandler
+    public void teamJoin(TeamSpawnEvent e) {
+        e.getFightPlayer().ifPlayer(player -> hiddenRegion.put(player, getHiddenRegion(player)));
+    }
 
-        List<ProtocolUtils.ChunkPos> chunksToReload = new ArrayList<>();
-        Config.ArenaRegion.forEachChunk((x, z) -> {
-            if(bypass(p, x, z) == hide)
-                chunksToReload.add(new ProtocolUtils.ChunkPos(x, z));
+    @EventHandler
+    public void boarding(BoardingEvent e) {
+        e.getFightPlayer().ifPlayer(player -> hiddenRegion.put(player, getHiddenRegion(player)));
+    }
+
+    @EventHandler
+    public void teamLeave(TeamLeaveEvent e) {
+        e.getFightPlayer().ifPlayer(player -> {
+            if(player.isOnline())
+                hiddenRegion.put(player, getHiddenRegion(player));
         });
-        return chunksToReload;
     }
 
-    public void reloadChunks(Player p, List<ProtocolUtils.ChunkPos> chunksToReload, boolean hide) {
-        if(!ENABLED || !FightState.Schem.contains(FightState.getFightState()))
+    @EventHandler
+    public void playerQuit(PlayerQuitEvent e) {
+        Player player = e.getPlayer();
+        hiddenRegion.remove(player);
+    }
+
+    public void reloadChunks(Player player, Region region, Region exclusion) {
+        if(!ENABLED || !FightState.Schem.contains(FightState.getFightState()) || !player.isOnline())
             return;
 
-        Bukkit.getScheduler().runTaskLater(FightSystem.getPlugin(), () -> {
-            for(ProtocolUtils.ChunkPos chunk : chunksToReload){
-                if(bypass(p, chunk.x(), chunk.z()) != hide)
-                    CraftbukkitWrapper.impl.sendChunk(p, chunk.x(), chunk.z());
-            }
-        }, 40);
+        region.forEachChunk((chunkX, chunkZ) -> {
+            if(exclusion.chunkOutside(chunkX, chunkZ))
+                CraftbukkitWrapper.impl.sendChunk(player, chunkX, chunkZ);
+        });
     }
 
-    private boolean bypass(Player p, int chunkX, int chunkZ){
-        if(Config.isReferee(p))
-            return true;
+    @Override
+    public boolean skipChunk(Player player, int chunkX, int chunkZ) {
+        return getHiddenRegion(player).chunkOutside(chunkX, chunkZ);
+    }
 
-        FightTeam ft = Fight.getPlayerTeam(p);
-        if(ft == null){
-            return Config.ArenaRegion.chunkOutside(chunkX, chunkZ);
-        }else if(ft.isBlue()){
-            return ft.canPlayerEntern(p) || Config.RedExtendRegion.chunkOutside(chunkX, chunkZ);
-        }else{
-            return ft.canPlayerEntern(p) || Config.BlueExtendRegion.chunkOutside(chunkX, chunkZ);
+    @Override
+    public boolean skipChunkSection(Player player, int chunkX, int chunkY, int chunkZ) {
+        return getHiddenRegion(player).chunkSectionOutside(chunkX, chunkY, chunkZ);
+    }
+
+    @Override
+    public TechHider.State check(Player player, int x, int y, int z) {
+        if(hiddenRegion.computeIfAbsent(player, this::getHiddenRegion).inRegion(x, y, z)) {
+            if(FightSystem.getHullHider().isBlockHidden(player, x, y, z)) {
+                return TechHider.State.HIDE;
+            } else {
+                return TechHider.State.CHECK;
+            }
+        } else {
+            return TechHider.State.SKIP;
         }
     }
+
+    @Override
+    public boolean blockPrecise(Player player, int chunkX, int chunkY, int chunkZ) {
+        return FightSystem.getHullHider().blockPrecise(player, chunkX, chunkY, chunkZ);
+    }
+
+    private Region getHiddenRegion(Player player) {
+        if(Config.isReferee(player))
+            return Region.EMPTY;
+
+        FightTeam team = Fight.getPlayerTeam(player);
+        if(team == null)
+            return Config.ArenaRegion;
+
+        if(team.canPlayerEntern(player))
+            return Region.EMPTY;
+
+        return Fight.getOpposite(team).getExtendRegion();
+    }
 }

FightSystem_Core/src/de/steamwar/fightsystem/winconditions/Wincondition.java

@@ -24,7 +24,9 @@ import de.steamwar.fightsystem.countdown.Countdown;
 import de.steamwar.fightsystem.fight.Fight;
 import de.steamwar.fightsystem.fight.FightTeam;
 import de.steamwar.fightsystem.states.StateDependentCountdown;
-import org.bukkit.entity.Player;
+import lombok.Getter;
+import org.bukkit.entity.Entity;
+import org.bukkit.entity.LivingEntity;
 
 import java.util.ArrayList;
 import java.util.List;
@@ -33,8 +35,10 @@ import java.util.stream.Collectors;
 
 public abstract class Wincondition {
 
-    protected static PercentWincondition percentWincondition = null;
+    @Getter
+    protected static WinconditionPercent percentWincondition = null;
     protected static StateDependentCountdown timeOverCountdown = null;
+    @Getter
     protected static final List<PrintableWincondition> printableWinconditions = new ArrayList<>();
 
     private final String windescription;
@@ -53,16 +57,11 @@ public abstract class Wincondition {
         FightSystem.setSpectateState(team, windescription, subtitle, params);
     }
 
-    protected FightTeam isTarget(Player player){
-        return Fight.getPlayerTeam(player);
-    }
+    protected FightTeam isTarget(Entity player){
+        if(!(player instanceof LivingEntity))
+            return null;
 
-    public static List<PrintableWincondition> getPrintableWinconditions(){
-        return printableWinconditions;
-    }
-
-    public static PercentWincondition getPercentWincondition() {
-        return percentWincondition;
+        return Fight.getPlayerTeam((LivingEntity) player);
     }
 
     protected void comparisonWin(ToDoubleFunction<FightTeam> evaluate, String winMessage, String tieMessage) {

FightSystem_Core/src/de/steamwar/fightsystem/winconditions/WinconditionAllDead.java

@@ -19,16 +19,13 @@
 
 package de.steamwar.fightsystem.winconditions;
 
+import de.steamwar.fightsystem.events.TeamDeathEvent;
 import de.steamwar.fightsystem.fight.Fight;
-import de.steamwar.fightsystem.fight.FightPlayer;
 import de.steamwar.fightsystem.fight.FightTeam;
 import de.steamwar.fightsystem.states.FightState;
 import de.steamwar.fightsystem.states.StateDependentListener;
-import org.bukkit.entity.Player;
 import org.bukkit.event.EventHandler;
 import org.bukkit.event.Listener;
-import org.bukkit.event.entity.PlayerDeathEvent;
-import org.bukkit.event.player.PlayerQuitEvent;
 
 public class WinconditionAllDead extends Wincondition implements Listener {
 
@@ -38,25 +35,12 @@ public class WinconditionAllDead extends Wincondition implements Listener {
     }
 
     @EventHandler
-    public void handlePlayerDeath(PlayerDeathEvent event) {
-        handleDeath(event.getEntity().getPlayer());
-    }
+    public void handlePlayerDeath(TeamDeathEvent event) {
+        FightTeam team = event.getFightPlayer().getTeam();
 
-    @EventHandler
-    public void handlePlayerQuit(PlayerQuitEvent event) {
-        handleDeath(event.getPlayer());
-    }
-
-    private void handleDeath(Player player){
-        FightTeam team = isTarget(player);
-        if(team == null)
+        if(team.getAlivePlayers() > 0)
             return;
 
-        for(FightPlayer fp : team.getPlayers()) {
-            if(fp.isLiving() && fp.getPlayer() != player)
-                return;
-        }
-
         win(Fight.getOpposite(team), "WIN_ALL_DEAD", team.getPrefix());
     }
 }

FightSystem_Core/src/de/steamwar/fightsystem/winconditions/WinconditionAmongUs.java

@@ -54,9 +54,9 @@ public class WinconditionAmongUs extends Wincondition implements Listener {
         FightPlayer imposter = fightPlayerList.get(random.nextInt(fightPlayerList.size()));
         for (FightPlayer fightPlayer : fightPlayerList) {
             if (fightPlayer == imposter) {
-                FightSystem.getMessage().send("AMONG_US_IMPOSTER_MESSAGE", fightPlayer.getPlayer());
+                FightSystem.getMessage().send("AMONG_US_IMPOSTER_MESSAGE", fightPlayer.getEntity());
             } else {
-                FightSystem.getMessage().send("AMONG_US_IMPOSTER_AMONG_MESSAGE", fightPlayer.getPlayer());
+                FightSystem.getMessage().send("AMONG_US_IMPOSTER_AMONG_MESSAGE", fightPlayer.getEntity());
             }
         }
         return imposter;

FightSystem_Core/src/de/steamwar/fightsystem/winconditions/WinconditionCaptainDead.java

@@ -19,15 +19,14 @@
 
 package de.steamwar.fightsystem.winconditions;
 
+import de.steamwar.fightsystem.events.TeamDeathEvent;
 import de.steamwar.fightsystem.fight.Fight;
+import de.steamwar.fightsystem.fight.FightPlayer;
 import de.steamwar.fightsystem.fight.FightTeam;
 import de.steamwar.fightsystem.states.FightState;
 import de.steamwar.fightsystem.states.StateDependentListener;
-import org.bukkit.entity.Player;
 import org.bukkit.event.EventHandler;
 import org.bukkit.event.Listener;
-import org.bukkit.event.entity.PlayerDeathEvent;
-import org.bukkit.event.player.PlayerQuitEvent;
 
 public class WinconditionCaptainDead extends Wincondition implements Listener {
 
@@ -37,22 +36,12 @@ public class WinconditionCaptainDead extends Wincondition implements Listener {
     }
 
     @EventHandler
-    public void handlePlayerDeath(PlayerDeathEvent event) {
-        handleDeath(event.getEntity().getPlayer());
-    }
-
-    @EventHandler
-    public void handlePlayerQuit(PlayerQuitEvent event) {
-        handleDeath(event.getPlayer());
-    }
-
-    private void handleDeath(Player player){
-        FightTeam team = isTarget(player);
-        if(team == null)
+    public void handlePlayerDeath(TeamDeathEvent event) {
+        FightPlayer leader = event.getFightPlayer();
+        if(!leader.isLeader())
             return;
 
-        if(team.isPlayerLeader(player)) {
-            win(Fight.getOpposite(team), "WIN_LEADER_DEAD", team.getPrefix() + team.getLeader().getPlayer().getName());
-        }
+        FightTeam team = leader.getTeam();
+        win(Fight.getOpposite(team), "WIN_LEADER_DEAD", team.getPrefix() + leader.getEntity().getName());
     }
 }

FightSystem_Core/src/de/steamwar/fightsystem/winconditions/WinconditionPercent.java

@@ -26,7 +26,6 @@ import de.steamwar.fightsystem.states.FightState;
 import de.steamwar.fightsystem.states.OneShotStateDependent;
 import de.steamwar.fightsystem.states.StateDependentListener;
 import de.steamwar.fightsystem.utils.Message;
-import org.bukkit.Material;
 import org.bukkit.entity.EntityType;
 import org.bukkit.event.EventHandler;
 import org.bukkit.event.Listener;
@@ -34,27 +33,12 @@ import org.bukkit.event.entity.EntityExplodeEvent;
 
 import java.util.HashMap;
 import java.util.Map;
-import java.util.concurrent.atomic.AtomicInteger;
-import java.util.function.BooleanSupplier;
 import java.util.function.Consumer;
-import java.util.function.Predicate;
-import java.util.function.ToIntFunction;
 
-public class PercentWincondition extends Wincondition implements PrintableWincondition {
+public class WinconditionPercent extends Wincondition implements PrintableWincondition {
 
     private final Map<FightTeam, TeamPercent> teamMap = new HashMap<>();
 
-    protected BooleanSupplier explosionFilter = () -> !Config.EnterStages.isEmpty() && Config.EnterStages.get(0) >= Wincondition.getTimeOverCountdown().getTimeLeft();
-    protected Predicate<Material> testBlock = type -> !Config.PercentBlocks.contains(type);
-    protected ToIntFunction<FightTeam> totalBlockCalc = team -> {
-        AtomicInteger blocks = new AtomicInteger();
-        team.getSchemRegion().forEach((x, y, z) -> {
-            if (testBlock.test(Config.world.getBlockAt(x, y, z).getType())) {
-                blocks.getAndIncrement();
-            }
-        });
-        return blocks.get();
-    };
     protected Consumer<FightTeam> checkWin = team -> {
         if (getPercent(team) >= Config.PercentWin) {
             win(Fight.getOpposite(team), "WIN_PERCENT", team.getColoredName());
@@ -62,7 +46,7 @@ public class PercentWincondition extends Wincondition implements PrintableWincon
     };
     protected Consumer<FightTeam> postEnable = team -> {};
 
-    public PercentWincondition(String windescription, Winconditions wincondition) {
+    public WinconditionPercent(Winconditions wincondition, String windescription) {
         super(windescription);
 
         if (Config.ActiveWinconditions.contains(wincondition)) {
@@ -74,7 +58,7 @@ public class PercentWincondition extends Wincondition implements PrintableWincon
     }
 
     public Message getDisplay(FightTeam team) {
-        return new Message("BAR_PERCENT", team.getPrefix() + (Math.round(100.0 * getPercent(team)) / 100.0));
+        return new Message("BAR_PERCENT", team.getPrefix() + (Math.round(10000.0 * (1.0 - getPercent(team) / Config.PercentWin)) / 100.0));
     }
 
     public double getPercent(FightTeam team) {
@@ -105,12 +89,16 @@ public class PercentWincondition extends Wincondition implements PrintableWincon
 
         @EventHandler
         public void onEntityExplode(EntityExplodeEvent event) {
-            if (event.getEntityType() == EntityType.FIREBALL || explosionFilter.getAsBoolean() || !team.getExtendRegion().inRegion(event.getEntity().getLocation())) {
+            if (
+                    event.getEntityType() == EntityType.FIREBALL ||
+                    !team.getExtendRegion().inRegion(event.getEntity().getLocation()) ||
+                    (!Config.PercentEntern && !Config.EnterStages.isEmpty() && Config.EnterStages.get(0) >= Wincondition.getTimeOverCountdown().getTimeLeft())
+            ) {
                 return;
             }
 
             event.blockList().forEach(block -> {
-                if (testBlock.test(block.getType())) {
+                if (Config.PercentBlocks.contains(block.getType()) == Config.PercentBlocksWhitelist) {
                     currentBlocks--;
                 }
             });
@@ -119,7 +107,11 @@ public class PercentWincondition extends Wincondition implements PrintableWincon
         }
 
         private void enable() {
-            totalBlocks = totalBlockCalc.applyAsInt(team);
+            totalBlocks = 0;
+            team.getSchemRegion().forEach((x, y, z) -> {
+                if (Config.PercentBlocks.contains(Config.world.getBlockAt(x, y, z).getType()) == Config.PercentBlocksWhitelist)
+                    totalBlocks++;
+            });
             currentBlocks = totalBlocks;
             postEnable.accept(team);
         }

FightSystem_Core/src/de/steamwar/fightsystem/winconditions/WinconditionPercentSystem.java

@@ -1,30 +0,0 @@
-/* 
-    This file is a part of the SteamWar software.
-    
-    Copyright (C) 2020  SteamWar.de-Serverteam
-
-    This program is free software: you can redistribute it and/or modify
-    it under the terms of the GNU Affero General Public License as published by
-    the Free Software Foundation, either version 3 of the License, or
-    (at your option) any later version.
-
-    This program is distributed in the hope that it will be useful,
-    but WITHOUT ANY WARRANTY; without even the implied warranty of
-    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-    GNU Affero General Public License for more details.
-
-    You should have received a copy of the GNU Affero General Public License
-    along with this program.  If not, see <https://www.gnu.org/licenses/>.
-*/
-
-package de.steamwar.fightsystem.winconditions;
-
-public class WinconditionPercentSystem extends PercentWincondition {
-
-    public WinconditionPercentSystem() {
-        super("Percent", Winconditions.PERCENT_SYSTEM);
-
-        totalBlockCalc = team -> team.getSchemRegion().volume();
-        explosionFilter = () -> false;
-    }
-}

FightSystem_Core/src/de/steamwar/fightsystem/winconditions/WinconditionPoints.java

@@ -36,12 +36,12 @@ import org.bukkit.event.player.PlayerQuitEvent;
 import java.util.HashMap;
 import java.util.Map;
 
-public class WinconditionPoints extends PercentWincondition implements Listener {
+public class WinconditionPoints extends WinconditionPercent implements Listener {
 
     private final Map<FightTeam, TeamPoints> teamMap = new HashMap<>();
 
     public WinconditionPoints(){
-        super("Points", Winconditions.POINTS);
+        super(Winconditions.POINTS, "Points");
 
         checkWin = team -> {};
         postEnable = this::pointInit;

FightSystem_Core/src/de/steamwar/fightsystem/winconditions/WinconditionPointsAirShip.java

@@ -35,7 +35,7 @@ import java.util.HashMap;
 import java.util.Map;
 import java.util.concurrent.atomic.AtomicBoolean;
 
-public class WinconditionPointsAirShip extends PercentWincondition implements Listener {
+public class WinconditionPointsAirShip extends WinconditionPercent implements Listener {
 
     private double[] as = new double[] {
             0.5,
@@ -56,7 +56,7 @@ public class WinconditionPointsAirShip extends PercentWincondition implements Li
     private final Map<FightTeam, TeamPoints> teamMap = new HashMap<>();
 
     public WinconditionPointsAirShip(){
-        super("Points", Winconditions.POINTS_AIRSHIP);
+        super(Winconditions.POINTS_AIRSHIP, "Points");
 
         checkWin = team -> {
             if (teamMap.get(team).getPoints() > TeamPoints.WIN_POINTS) {

FightSystem_Core/src/de/steamwar/fightsystem/winconditions/WinconditionWhitelistPercent.java

@@ -1,31 +0,0 @@
-/*
-    This file is a part of the SteamWar software.
-
-    Copyright (C) 2021  SteamWar.de-Serverteam
-
-    This program is free software: you can redistribute it and/or modify
-    it under the terms of the GNU Affero General Public License as published by
-    the Free Software Foundation, either version 3 of the License, or
-    (at your option) any later version.
-
-    This program is distributed in the hope that it will be useful,
-    but WITHOUT ANY WARRANTY; without even the implied warranty of
-    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-    GNU Affero General Public License for more details.
-
-    You should have received a copy of the GNU Affero General Public License
-    along with this program.  If not, see <https://www.gnu.org/licenses/>.
- */
-
-package de.steamwar.fightsystem.winconditions;
-
-import de.steamwar.fightsystem.Config;
-
-public class WinconditionWhitelistPercent extends PercentWincondition {
-
-    public WinconditionWhitelistPercent() {
-        super("WhitelistPercent", Winconditions.WHITELIST_PERCENT);
-
-        testBlock = Config.PercentBlocks::contains;
-    }
-}

FightSystem_Core/src/de/steamwar/fightsystem/winconditions/Winconditions.java

@@ -28,8 +28,6 @@ public enum Winconditions {
     CAPTAIN_DEAD,
 
     PERCENT_SYSTEM,
-    WHITELIST_PERCENT,
-    RELATIVE_PERCENT,
     POINTS,
     POINTS_AIRSHIP,
 
@@ -39,5 +37,7 @@ public enum Winconditions {
 
     HELLS_BELLS,
     METEOR,
-    AMONG_US
+    AMONG_US,
+    PERSISTENT_DAMAGE,
+    TNT_DISTRIBUTION
 }

FightSystem_Core/src/plugin.yml

@@ -12,10 +12,10 @@ api-version: "1.13"
 
 commands:
   ak:
-  accept:
-  decline:
+  request:
+  requests:
+  fightinfo:
   leave:
-  invite:
   ready:
   kit:
   remove:
@@ -26,4 +26,6 @@ commands:
   win:
   resetwg:
   resettb:
+  tpslimit:
+  tpswarp:
   unrank:

build.gradle

@@ -17,10 +17,6 @@
  * along with this program.  If not, see <https://www.gnu.org/licenses/>.
  */
 
-
-
-import org.apache.tools.ant.taskdefs.condition.Os
-
 plugins {
     // Adding the base plugin fixes the following gradle warnings in IntelliJ:
     //
@@ -33,43 +29,12 @@ plugins {
     id 'application'
 
     id 'com.github.johnrengelman.shadow' version '5.0.0'
-}
-
-ext.swdep = { s ->
-    if (file("${rootDir}/lib/${s}.jar").exists()) {
-        return files("${rootDir}/lib/${s}.jar")
-    } else {
-        if (s.contains("-")) {
-            return "de.steamwar:${s.toLowerCase().replace('-', ':')}"
-        } else {
-            return "de.steamwar:${s.toLowerCase()}:RELEASE"
-        }
-    }
+    id 'de.steamwar.gradle' version 'RELEASE'
 }
 
 group 'de.steamwar'
 version ''
 
-Properties steamwarProperties = new Properties()
-if (file("steamwar.properties").exists()) {
-    steamwarProperties.load(file("steamwar.properties").newDataInputStream())
-}
-
-ext {
-    buildName = 'FightSystem'
-    artifactName = 'fightsystem'
-
-    uberJarName = "${buildName}-all.jar"
-    jarName = "${artifactName}.jar"
-    libs = "${buildDir}/libs"
-
-    if (Os.isFamily(Os.FAMILY_WINDOWS)) {
-        operatingSystem = "windows"
-    } else {
-        operatingSystem = "unix"
-    }
-}
-
 compileJava.options.encoding = 'UTF-8'
 compileJava.options.compilerArgs << '-parameter'
 
@@ -81,11 +46,6 @@ mainClassName = ''
 allprojects {
     repositories {
         mavenCentral()
-        jcenter()
-
-        maven {
-            url = uri("https://repo.codemc.io/repository/maven-snapshots/")
-        }
 
         maven {
             url = uri('https://hub.spigotmc.org/nexus/content/repositories/snapshots/')
@@ -94,14 +54,6 @@ allprojects {
         maven {
             url = uri('https://libraries.minecraft.net')
         }
-
-        maven {
-            url = uri('https://steamwar.de/maven')
-            credentials {
-                username = steamwarProperties.getProperty("maven.username")
-                password = steamwarProperties.getProperty("maven.password")
-            }
-        }
     }
 }
 
@@ -115,151 +67,3 @@ dependencies {
         }
     }
 }
-
-task buildProject {
-    description 'Build this project'
-    group "Steamwar"
-
-    dependsOn build, tasks.getByPath(':FightSystem_Standalone:shadowJar')
-}
-
-task finalizeProject {
-    description 'Finalize this project'
-    group "Steamwar"
-
-    doLast {
-        if ("${buildDir}" == null) {
-            return
-        }
-        delete fileTree("${libs}").matching {
-            exclude("${uberJarName}")
-        }
-        file(libs + "/" + uberJarName).renameTo(file(libs + "/" + jarName))
-    }
-}
-build.finalizedBy(finalizeProject)
-
-if (steamwarProperties.containsKey("hostname")) {
-    String hostname = steamwarProperties.get("hostname")
-    String uploadPath = steamwarProperties.getOrDefault("uploadPath", "~")
-
-    String server = steamwarProperties.getOrDefault("server", "Dev1.15")
-    String serverStartFlags = steamwarProperties.getOrDefault("serverStartFlags", "")
-
-    task uploadProject {
-        description 'Upload this project'
-        group "Steamwar"
-
-        doLast {
-            await(shell("scp ${libs}/${jarName} ${hostname}:${uploadPath}/${server}/plugins"))
-            if (steamwarProperties.getOrDefault("directStart", "false") == "false" && !answer("Start ${server} server?")) {
-                return
-            }
-            serverStart(server, serverStartFlags, hostname)
-        }
-    }
-    uploadProject.dependsOn(buildProject)
-
-    task startDevServer {
-        description 'Start the DevServer'
-        group "Steamwar"
-
-        doLast {
-            serverStart(server, serverStartFlags, hostname)
-        }
-    }
-}
-
-private def await(Process proc) {
-    def out = new StringBuilder()
-    def err = new StringBuilder()
-    proc.waitForProcessOutput(out, err)
-    return [out, err, proc.exitValue()]
-}
-
-private def shell(String command) {
-    if (operatingSystem == "unix") {
-        return ['bash', '-c', command].execute()
-    } else {
-        return ["cmd", "/c", command].execute()
-    }
-}
-
-private def serverStart(String serverName, String serverFlags, String hostname) {
-    def proc = shell("ssh -t ${hostname} \"./mc ${serverFlags} ${serverName}\"")
-
-    Set<String> strings = new HashSet<>()
-    File file = new File("${projectDir}/ignoredlog");
-    if (file.exists()) {
-        new BufferedReader(new InputStreamReader(new FileInputStream(file))).readLines().forEach({ s ->
-            strings.add(s)
-        })
-    }
-
-    Thread outputThread = new Thread({
-        Reader reader = proc.getInputStream().newReader();
-        Writer writer = System.out.newWriter();
-        try {
-            while (proc.alive) {
-                String s = reader.readLine()
-                if (s == null) {
-                    return
-                }
-                if (strings.stream().anyMatch({check -> s.contains(check)})) {
-                    continue
-                }
-                writer.write(s + "\n")
-                writer.flush()
-            }
-        } catch (IOException e) {
-            // Ignored
-        }
-    })
-    outputThread.setName("${serverName} - OutputThread")
-    outputThread.start()
-
-    Writer writer
-    Thread inputThread = new Thread({
-        Reader reader = System.in.newReader()
-        writer = proc.getOutputStream().newWriter()
-        try {
-            while (proc.alive) {
-                String s = reader.readLine()
-                writer.write(s + "\n")
-                writer.flush()
-            }
-        } catch (IOException e) {
-            // Ignored
-        }
-    })
-    inputThread.setName("${serverName} - InputThread")
-    inputThread.start()
-
-    gradle.buildFinished { buildResult ->
-        if (!proc.alive) {
-            return
-        }
-        writer = proc.getOutputStream().newWriter()
-        writer.write("stop\n")
-        writer.flush()
-        awaitClose(proc, outputThread, inputThread)
-    }
-    awaitClose(proc, outputThread, inputThread)
-};
-
-private static def awaitClose(Process proc, Thread outputThread, Thread inputThread) {
-    while (proc.alive) {
-        Thread.sleep(10)
-    }
-    proc.closeStreams()
-    outputThread.interrupt()
-    inputThread.interrupt()
-}
-
-private def answer(String question) {
-    while (System.in.available() > 0) System.in.read()
-    println(question)
-    boolean valid = "Yy".contains(((char) System.in.read()).toString())
-    while (System.in.available() > 0) System.in.read()
-    return valid
-}