Untested entity 1.18+ hullhiding

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

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

@@ -120,7 +120,7 @@ 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;
 
@@ -214,7 +214,7 @@ public class Config {
 
         TechhiderActive = config.getBoolean("Techhider.Active", false);
         ObfuscateWith = config.getString("Techhider.ObfuscateWith", "end_stone").toUpperCase();
-        HiddenBlocks = Collections.unmodifiableSet(new HashSet<>(config.getStringList("Techhider.HiddenBlocks")));
+        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){

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

@@ -275,6 +275,7 @@ public class FightTeam {
             BountifulWrapper.impl.setAttackSpeed(player);
             player.setFoodLevel(20);
             player.getInventory().clear();
+            FightSystem.getHullHider().removePlayer(this, player);
 
             if(FightState.Spectate.contains(FightState.getFightState())) {
                 Fight.setPlayerGamemode(player, GameMode.SPECTATOR);
@@ -318,6 +319,7 @@ public class FightTeam {
             player.getInventory().clear();
 
             if(player.isOnline()){
+                FightSystem.getHullHider().addPlayer(this, player);
                 FightSystem.getTechHider().reloadChunks(player, chunksToReload, true);
 
                 if(ArenaMode.VariableTeams.contains(Config.mode))

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/record/PacketProcessor.java

@@ -88,7 +88,7 @@ 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 Set<Integer> hiddenBlockIds = Config.HiddenBlocks.stream().flatMap(m -> BlockIds.impl.materialToAllIds(m).stream()).collect(Collectors.toSet());
     private final int obfuscateWith = BlockIds.impl.materialToId(Material.getMaterial(Config.ObfuscateWith.toUpperCase()));
     private final FreezeWorld freezer = new FreezeWorld();
     private final REntityServer entityServer = new REntityServer();

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

@@ -0,0 +1,325 @@
+/*
+ *   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 de.steamwar.fightsystem.Config;
+import de.steamwar.fightsystem.FightSystem;
+import de.steamwar.fightsystem.fight.FightTeam;
+import de.steamwar.techhider.BlockIds;
+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<Player> players = new HashSet<>();
+    private final Set<Entity> entities = 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);
+        }
+    }
+
+    @SuppressWarnings("deprecation")
+    public void addPlayer(Player player, boolean activeHiding) {
+        if(players.add(player) && activeHiding) {
+            for(Entity entity : entities)
+                player.hideEntity(FightSystem.getPlugin(), entity); //TODO 1.15-
+        }
+    }
+
+    @SuppressWarnings("deprecation")
+    public void removePlayer(Player player, boolean activeRemoval) {
+        if(players.remove(player) && activeRemoval) {
+            for(Entity entity : entities)
+                player.showEntity(FightSystem.getPlugin(), entity); //TODO 1.15-
+        }
+    }
+
+    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)
+                    player.hideEntity(FightSystem.getPlugin(), entity); //TODO 1.15-
+            }
+        } else {
+            if(entities.remove(entity)) {
+                for(Player player : players)
+                    player.showEntity(FightSystem.getPlugin(), entity); //TODO 1.15-
+            }
+        }
+    }
+
+    public void removeEntity(Entity entity) {
+        entities.remove(entity);
+    }
+
+    public void initialize() {
+        visibility.clear();
+        occluding.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());
+
+        region.forEach(this::printDebug);
+    }
+
+    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());
+                }
+            }
+        }
+
+        for (IntVector block : uncovered)
+            printDebug(block.x, block.y, block.z);
+
+        //TODO uncover entities
+    }
+
+    private final int air = BlockIds.impl.materialToId(Material.AIR);
+    private final int stone = BlockIds.impl.materialToId(Material.STONE);
+    private final int red = BlockIds.impl.materialToId(Material.RED_CONCRETE);
+
+    private void printDebug(int x, int y, int z) {
+        int id = new IntVector(x, y, z).toId(region);
+
+        BlockIdWrapper.impl.setBlock(Config.world, x, y + Config.BlueExtendRegion.getSizeY(), z, visibility.get(id) ? (occluding.get(id) ? red : air) : stone);
+    }
+
+    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)));
+    }
+
+
+    private static class IntVector {
+        private final int x;
+        private final int y;
+        private final int z;
+
+        public IntVector(int x, int y, int z) {
+            this.x = x;
+            this.y = y;
+            this.z = 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

@@ -19,23 +19,27 @@
 
 package de.steamwar.fightsystem.utils;
 
-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.Recording;
 import de.steamwar.fightsystem.states.FightState;
+import de.steamwar.fightsystem.states.StateDependent;
 import de.steamwar.fightsystem.states.StateDependentListener;
-import de.steamwar.techhider.BlockIds;
-import org.bukkit.Material;
-import org.bukkit.block.Block;
+import de.steamwar.fightsystem.states.StateDependentTask;
+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.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.*;
-import java.util.function.BiConsumer;
-import java.util.logging.Level;
+import java.util.HashMap;
+import java.util.Map;
+import java.util.Objects;
 
 public class HullHider implements Listener {
 
@@ -51,7 +55,18 @@ public class HullHider implements Listener {
             Fight.teams().forEach(team -> hulls.put(team, new Hull(team)));
 
         new StateDependentListener(TechHiderWrapper.ENABLED, FightState.Schem, this);
-        //TODO player enters/leaves team
+        new StateDependent(TechHiderWrapper.ENABLED, FightState.Schem) {
+            @Override
+            public void enable() {
+                Bukkit.getOnlinePlayers().forEach(player -> addPlayer(player, true));
+            }
+
+            @Override
+            public void disable() {
+                Bukkit.getOnlinePlayers().forEach(player -> removePlayer(player, true));
+            }
+        };
+        new StateDependentTask(TechHiderWrapper.ENABLED, FightState.Schem, this::onTick, 0, 1);
     }
 
     public void initialize(FightTeam team) {
@@ -61,226 +76,69 @@ public class HullHider implements Listener {
         hulls.get(team).initialize();
     }
 
+
+    public void addPlayer(FightTeam team, Player player) {
+        if(!TechHiderWrapper.ENABLED)
+            return;
+
+        hulls.get(team).addPlayer(player, true);
+    }
+
+    public void removePlayer(FightTeam team, Player player) {
+        if(!TechHiderWrapper.ENABLED)
+            return;
+
+        hulls.get(team).removePlayer(player, true);
+    }
+
+    @EventHandler(priority = EventPriority.HIGH)
+    public void onJoin(PlayerJoinEvent e) {
+        addPlayer(e.getPlayer(), false);
+    }
+
+    @EventHandler
+    public void onLeave(PlayerQuitEvent e) {
+        removePlayer(e.getPlayer(), false);
+    }
+
+    private void addPlayer(Player player, boolean activeHiding) {
+        FightTeam team = Fight.getPlayerTeam(player);
+        for(Map.Entry<FightTeam, Hull> hull : hulls.entrySet()) {
+            if(hull.getKey() == team)
+                continue;
+
+            hull.getValue().addPlayer(player, activeHiding);
+        }
+    }
+
+    private void removePlayer(Player player, boolean activeRemoval) {
+        hulls.values().forEach(hull -> hull.removePlayer(player, activeRemoval));
+    }
+
+
     @EventHandler(priority = EventPriority.MONITOR, ignoreCancelled = true)
     public void onBlockPhysic(BlockPhysicsEvent e) {
         if(FlatteningWrapper.impl.doRecord(e)) {
-            hulls.values().forEach(hull -> hull.updateBlockVisibility(e.getBlock(), e.getChangedType()));
+            for (Hull hull : hulls.values())
+                hull.updateBlockVisibility(e.getBlock(), e.getChangedType());
         }
     }
 
-    private static class Hull {
-        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<>();
-
-
-        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 void initialize() {
-            visibility.clear();
-            occluding.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(Config.world.getBlockAt(x, y, z).getType().isOccluding()) //TODO more accurate check
-                    occluding.set(block.toId(region));
-            });
-            forEachBorder((root, direction) -> {
-                for(Map.Entry<IntVector, BitSet> quadrant : blockVisibility.get(direction).entrySet()) {
-                    checkBlock(root, direction, quadrant.getKey(), quadrant.getValue());
-                }
-            });
-            FightSystem.getPlugin().getLogger().log(Level.INFO, () -> "[HullHider] initialisation finished: " + (System.currentTimeMillis() - start) + " ms, visible blocks: " + visibility.stream().count());
-
-            region.forEach(this::printDebug);
-        }
-
-        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) || changedType.isOccluding()) //TODO more accurate check
-                return;
-
-            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(root, direction.getKey(), quadrant.getKey(), quadrant.getValue());
-                    }
-                }
-            }
-
-            printDebug(root.x, root.y, root.z);
-        }
-
-        private final int air = BlockIds.impl.materialToId(Material.AIR);
-        private final int stone = BlockIds.impl.materialToId(Material.STONE);
-        private final int red = BlockIds.impl.materialToId(Material.RED_CONCRETE);
-        private void printDebug(int x, int y, int z) {
-            int id = new IntVector(x, y, z).toId(region);
-
-            BlockIdWrapper.impl.setBlock(Config.world, x, y + Config.BlueExtendRegion.getSizeY(), z, visibility.get(id) ? (occluding.get(id) ? red : air) : stone);
-        }
-
-        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(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);
-            visibility.set(id);
-            if(occluding.get(id))
-                return;
-
-            IntVector neighbour = block.add(direction);
-            checkBlock(neighbour, direction, quadrant, quadVisibility);
-            boolean neigbourTransparent = boundedNonOccluding(neighbour);
-            boolean diagonalReachable = false;
-            if(direction.x == 0 && (neigbourTransparent || boundedNonOccluding(block.add(quadrant.x, 0, 0)))) {
-                checkBlock(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(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(neighbour.add(0, 0, quadrant.z), direction, quadrant, quadVisibility);
-                diagonalReachable = diagonalReachable || boundedNonOccluding(neighbour.add(0, 0, quadrant.z));
-            }
-
-            if(diagonalReachable)
-                checkBlock(neighbour.add(quadrant), direction, quadrant, quadVisibility);
-        }
-
-        private boolean boundedNonOccluding(IntVector block) {
-            return !(block.notInRegion(region) || occluding.get(block.toId(region)));
-        }
+    @EventHandler(priority = EventPriority.MONITOR, ignoreCancelled = true)
+    public void onSpawn(EntitySpawnEvent e) {
+        hulls.values().forEach(hull -> hull.checkEntity(e.getEntity()));
     }
 
-    private static class IntVector {
-        private final int x;
-        private final int y;
-        private final int z;
+    private void onTick() {
+        Recording.iterateOverEntities(Objects::nonNull, entity -> {
+            for (Hull hull : hulls.values())
+                hull.checkEntity(entity);
+        });
+    }
 
-        public IntVector(int x, int y, int z) {
-            this.x = x;
-            this.y = y;
-            this.z = z;
-        }
-
-        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;
-        }
+    @EventHandler(priority = EventPriority.MONITOR, ignoreCancelled = true)
+    public void onDeath(EntityDeathEvent e) {
+        hulls.values().forEach(hull -> hull.removeEntity(e.getEntity()));
     }
 }

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

@@ -36,7 +36,6 @@ import org.bukkit.entity.Player;
 import java.util.ArrayList;
 import java.util.Collections;
 import java.util.List;
-import java.util.stream.Collectors;
 
 public class TechHiderWrapper extends StateDependent {
 
@@ -45,7 +44,7 @@ public class TechHiderWrapper extends StateDependent {
 
     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::bypass, Material.getMaterial(Config.ObfuscateWith), Config.HiddenBlocks, Config.HiddenBlockEntities);
         register();
     }