Add 1.20 support

Signed-off-by: yoyosource <yoyosource@nidido.de>

BauSystem_19/src/de/steamwar/bausystem/utils/NMSWrapper19.java

@@ -55,7 +55,6 @@ public class NMSWrapper19 implements NMSWrapper {
     @SuppressWarnings("deprecation")
     public void setInternalGameMode(Player player, GameMode gameMode) {
         playerGameMode.set(((CraftPlayer) player).getHandle().d, EnumGamemode.a(gameMode.getValue()));
-
     }
 
     @Override

BauSystem_20/build.gradle

@@ -0,0 +1,62 @@
+/*
+ * 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/>.
+ */
+
+plugins {
+    id 'base'
+    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 {
+    compileOnly 'org.projectlombok:lombok:1.18.22'
+    testCompileOnly 'org.projectlombok:lombok:1.18.22'
+    annotationProcessor 'org.projectlombok:lombok:1.18.22'
+    testAnnotationProcessor 'org.projectlombok:lombok:1.18.22'
+
+    implementation project(":BauSystem_Main")
+
+    compileOnly 'org.spigotmc:spigot-api:1.20-R0.1-SNAPSHOT'
+    compileOnly 'it.unimi.dsi:fastutil:8.5.6'
+    compileOnly 'com.mojang:datafixerupper:4.0.26'
+    compileOnly 'io.netty:netty-all:4.1.68.Final'
+    compileOnly 'com.mojang:authlib:1.5.25'
+    compileOnly 'com.mojang:brigadier:1.0.18'
+
+    compileOnly swdep('Spigot-1.20')
+    compileOnly swdep('SpigotCore')
+}

BauSystem_20/src/de/steamwar/bausystem/utils/NMSWrapper20.java

@@ -0,0 +1,178 @@
+/*
+ * 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.bausystem.utils;
+
+import com.comphenix.tinyprotocol.Reflection;
+import com.comphenix.tinyprotocol.TinyProtocol;
+import de.steamwar.bausystem.features.util.NoClipCommand;
+import net.minecraft.SystemUtils;
+import net.minecraft.nbt.NBTBase;
+import net.minecraft.nbt.NBTTagCompound;
+import net.minecraft.nbt.NBTTagList;
+import net.minecraft.network.protocol.Packet;
+import net.minecraft.network.protocol.game.*;
+import net.minecraft.network.syncher.DataWatcher;
+import net.minecraft.server.level.PlayerInteractManager;
+import net.minecraft.world.level.EnumGamemode;
+import net.minecraft.world.phys.Vec3D;
+import org.bukkit.Bukkit;
+import org.bukkit.GameMode;
+import org.bukkit.Material;
+import org.bukkit.World;
+import org.bukkit.craftbukkit.v1_20_R1.entity.CraftEntity;
+import org.bukkit.craftbukkit.v1_20_R1.entity.CraftPlayer;
+import org.bukkit.craftbukkit.v1_20_R1.inventory.CraftItemStack;
+import org.bukkit.entity.Player;
+import org.bukkit.entity.TNTPrimed;
+import org.bukkit.inventory.ItemStack;
+
+import java.util.ArrayList;
+import java.util.List;
+import java.util.function.LongSupplier;
+
+public class NMSWrapper20 implements NMSWrapper {
+
+    private static final Reflection.FieldAccessor<EnumGamemode> playerGameMode = Reflection.getField(PlayerInteractManager.class, EnumGamemode.class, 0);
+
+    @Override
+    @SuppressWarnings("deprecation")
+    public void setInternalGameMode(Player player, GameMode gameMode) {
+        playerGameMode.set(((CraftPlayer) player).getHandle().d, EnumGamemode.a(gameMode.getValue()));
+    }
+
+    @Override
+    public void setSlotToItemStack(Player player, Object o) {
+        PacketPlayInSetCreativeSlot packetPlayInSetCreativeSlot = (PacketPlayInSetCreativeSlot) o;
+        int index = packetPlayInSetCreativeSlot.a();
+        if (index >= 36 && index <= 44) {
+            index -= 36;
+        } else if (index > 44) {
+            index -= 5;
+        } else if (index <= 8) {
+            index = index - 8 + 36;
+        }
+        player.getInventory().setItem(index, CraftItemStack.asBukkitCopy(packetPlayInSetCreativeSlot.c()));
+        if (index < 9) player.getInventory().setHeldItemSlot(index);
+        player.updateInventory();
+    }
+
+    @Override
+    public void init(LongSupplier longSupplier) {
+        SystemUtils.a = () -> System.nanoTime() + longSupplier.getAsLong();
+    }
+
+    private static final List<Packet<?>> packets = new ArrayList<>();
+    private static final Vec3D noMotion = new Vec3D(0, 0, 0);
+
+    @Override
+    public void createTickCache(World world) {
+        packets.clear();
+        world.getEntities().stream().filter(entity -> !(entity instanceof Player)).forEach(entity -> {
+            packets.add(new PacketPlayOutEntityVelocity(entity.getEntityId(), noMotion));
+            packets.add(new PacketPlayOutEntityTeleport(((CraftEntity) entity).getHandle()));
+
+            if (entity instanceof TNTPrimed) {
+                net.minecraft.world.entity.Entity serverEntity = ((CraftEntity) entity).getHandle();
+                List<DataWatcher.b<?>> list = serverEntity.aj().c();
+                if(list != null)
+                    packets.add(new PacketPlayOutEntityMetadata(serverEntity.af(), list));
+            }
+        });
+    }
+
+    @Override
+    public void sendTickPackets() {
+        Bukkit.getOnlinePlayers().forEach(player -> {
+            for (Packet<?> p : packets) {
+                TinyProtocol.instance.sendPacket(player, p);
+            }
+        });
+    }
+
+    private static final Reflection.FieldAccessor<PacketPlayOutGameStateChange.a> gameStateChangeReason = Reflection.getField(NoClipCommand.gameStateChange, PacketPlayOutGameStateChange.a.class, 12);
+
+    @Override
+    public void setGameStateChangeReason(Object packet) {
+        gameStateChangeReason.set(packet, PacketPlayOutGameStateChange.d);
+    }
+
+    @Override
+    public void setPlayerBuildAbilities(Player player) {
+        ((CraftPlayer) player).getHandle().fO().d = true;
+        ((CraftPlayer) player).getHandle().fO().e = true;
+    }
+
+    @Override
+    public Material pathMaterial() {
+        return Material.DIRT_PATH;
+    }
+
+    private static final int threshold = 2048;
+
+    @Override
+    public boolean checkItemStack(ItemStack item) {
+        net.minecraft.world.item.ItemStack nmsItem = CraftItemStack.asNMSCopy(item);
+        NBTTagCompound tag = nmsItem.v();
+        if (tag != null && tag.e("BlockEntityTag")) {
+            NBTTagCompound blockTag = tag.p("BlockEntityTag");
+            if (blockTag.e("Items")) {
+                return drillDown(blockTag.c("Items", 10), 0, 0) > threshold;
+            }
+        }
+
+        return false;
+    }
+
+    private int drillDown(NBTTagList items, int layer, int start) {
+        if (layer > 2) return start + threshold;
+        int invalid = start;
+        for (NBTBase nbtBase : items) {
+            if (!(nbtBase instanceof NBTTagCompound))
+                continue;
+            NBTTagCompound slot = (NBTTagCompound) nbtBase;
+            if (slot.e("tag")) {
+                invalid += slot.f("Count");
+                NBTTagCompound iTag = slot.p("tag");
+                if (iTag.e("BlockEntityTag")) {
+                    NBTTagCompound blockTag = iTag.p("BlockEntityTag");
+                    if (blockTag.e("Items")) {
+                        invalid = drillDown(blockTag.c("Items", 10), layer + 1, invalid);
+                    }
+                }
+            }
+            if (invalid > threshold)
+                break;
+        }
+        return invalid;
+    }
+
+    private final Class<?> explosionPacket = Reflection.getClass("{nms.network.protocol.game}.PacketPlayOutExplosion");
+    private final Reflection.FieldAccessor<Double> a = Reflection.getField(explosionPacket, double.class, 0);
+    private final Reflection.FieldAccessor<Double> b = Reflection.getField(explosionPacket, double.class, 1);
+    private final Reflection.FieldAccessor<Double> c = Reflection.getField(explosionPacket, double.class, 2);
+    private final Reflection.FieldAccessor<Float> d = Reflection.getField(explosionPacket, float.class, 0);
+    private final Reflection.FieldAccessor<List> e = Reflection.getField(explosionPacket, List.class, 0);
+
+    @Override
+    public Object resetExplosionKnockback(Object packet) {
+        PacketPlayOutExplosion packetPlayOutExplosion = (PacketPlayOutExplosion) packet;
+        return new PacketPlayOutExplosion(a.get(packetPlayOutExplosion), b.get(packetPlayOutExplosion), c.get(packetPlayOutExplosion), d.get(packetPlayOutExplosion), e.get(packetPlayOutExplosion), null);
+    }
+}

BauSystem_20/src/de/steamwar/bausystem/utils/PlayerMovementWrapper20.java

@@ -0,0 +1,80 @@
+/*
+ * 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.bausystem.utils;
+
+import net.minecraft.network.protocol.game.PacketPlayInFlying;
+import net.minecraft.server.level.EntityPlayer;
+import org.bukkit.Location;
+import org.bukkit.craftbukkit.v1_20_R1.entity.CraftPlayer;
+import org.bukkit.entity.Player;
+
+import java.util.HashMap;
+import java.util.Map;
+import java.util.UUID;
+
+public class PlayerMovementWrapper20 implements PlayerMovementWrapper {
+
+    private static class Position {
+        private double x;
+        private double y;
+        private double z;
+        private float yaw;
+        private float pitch;
+    }
+
+    private Map<UUID, Position> playerLocationMap = new HashMap<>();
+
+    @Override
+    public void setPosition(Player player, Object object) {
+        Position position = playerLocationMap.computeIfAbsent(player.getUniqueId(), uuid -> {
+            Position pos = new Position();
+            Location location = player.getLocation();
+            pos.x = location.getX();
+            pos.y = location.getY();
+            pos.z = location.getZ();
+            pos.yaw = location.getYaw();
+            pos.pitch = location.getPitch();
+            return pos;
+        });
+        PacketPlayInFlying packetPlayInFlying = ((PacketPlayInFlying) object);
+        EntityPlayer entityPlayer = ((CraftPlayer) player).getHandle();
+        if (packetPlayInFlying.h) {
+            entityPlayer.b(packetPlayInFlying.a, packetPlayInFlying.b, packetPlayInFlying.c, packetPlayInFlying.d, packetPlayInFlying.e);
+            position.x = packetPlayInFlying.a;
+            position.y = packetPlayInFlying.b;
+            position.z = packetPlayInFlying.c;
+            position.yaw = packetPlayInFlying.d;
+            position.pitch = packetPlayInFlying.e;
+        } else {
+            entityPlayer.e(packetPlayInFlying.a, packetPlayInFlying.b, packetPlayInFlying.c);
+            position.x = packetPlayInFlying.a;
+            position.y = packetPlayInFlying.b;
+            position.z = packetPlayInFlying.c;
+        }
+    }
+
+    @Override
+    public void disable(Player player) {
+        Position position = playerLocationMap.remove(player.getUniqueId());
+        if (position != null) {
+            player.teleport(new Location(player.getWorld(), position.x, position.y, position.z, position.yaw, position.pitch));
+        }
+    }
+}