mirror of
https://github.com/PaperMC/Paper.git
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4e958e229f
Co-authored-by: Jake Potrebic <jake.m.potrebic@gmail.com> Co-authored-by: zml <zml@stellardrift.ca> Co-authored-by: Mariell Hoversholm <proximyst@proximyst.com>
169 lines
10 KiB
Diff
169 lines
10 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Aikar <aikar@aikar.co>
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Date: Sun, 14 Jan 2018 17:01:31 -0500
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Subject: [PATCH] PreCreatureSpawnEvent
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Adds an event to fire before an Entity is created, so that plugins that need to cancel
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CreatureSpawnEvent can do so from this event instead.
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Cancelling CreatureSpawnEvent rapidly causes a lot of garbage collection and CPU waste
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as it's done after the Entity object has been fully created.
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Mob Limiting plugins and blanket "ban this type of monster" plugins should use this event
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instead and save a lot of server resources.
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See: https://github.com/PaperMC/Paper/issues/917
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diff --git a/src/main/java/net/minecraft/server/EntityTypes.java b/src/main/java/net/minecraft/server/EntityTypes.java
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index b1fe488e41a2c9f77df091e1d14ed5c87a4358c8..14f47d100c3f44a8263c9b907e9ca74944676687 100644
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--- a/src/main/java/net/minecraft/server/EntityTypes.java
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+++ b/src/main/java/net/minecraft/server/EntityTypes.java
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@@ -187,6 +187,20 @@ public class EntityTypes<T extends Entity> {
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@Nullable
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public T spawnCreature(WorldServer worldserver, @Nullable NBTTagCompound nbttagcompound, @Nullable IChatBaseComponent ichatbasecomponent, @Nullable EntityHuman entityhuman, BlockPosition blockposition, EnumMobSpawn enummobspawn, boolean flag, boolean flag1, org.bukkit.event.entity.CreatureSpawnEvent.SpawnReason spawnReason) {
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+ // Paper start - Call PreCreatureSpawnEvent
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+ org.bukkit.entity.EntityType type = org.bukkit.entity.EntityType.fromName(EntityTypes.getName(this).getKey());
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+ if (type != null) {
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+ com.destroystokyo.paper.event.entity.PreCreatureSpawnEvent event;
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+ event = new com.destroystokyo.paper.event.entity.PreCreatureSpawnEvent(
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+ MCUtil.toLocation(worldserver, blockposition),
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+ type,
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+ spawnReason
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+ );
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+ if (!event.callEvent()) {
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+ return null;
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+ }
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+ }
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+ // Paper end
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T t0 = this.createCreature(worldserver, nbttagcompound, ichatbasecomponent, entityhuman, blockposition, enummobspawn, flag, flag1);
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if (t0 != null) {
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diff --git a/src/main/java/net/minecraft/server/EntityVillager.java b/src/main/java/net/minecraft/server/EntityVillager.java
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index 732323ee1de01929c73bc5f98444c0f68f908a67..b6ad33b3bfc1a71d3e4495c803cba12ee3c2a971 100644
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--- a/src/main/java/net/minecraft/server/EntityVillager.java
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+++ b/src/main/java/net/minecraft/server/EntityVillager.java
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@@ -868,6 +868,21 @@ public class EntityVillager extends EntityVillagerAbstract implements Reputation
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BlockPosition blockposition1 = this.a(blockposition, d0, d1);
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if (blockposition1 != null) {
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+ // Paper start - Call PreCreatureSpawnEvent
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+ com.destroystokyo.paper.event.entity.PreCreatureSpawnEvent event;
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+ event = new com.destroystokyo.paper.event.entity.PreCreatureSpawnEvent(
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+ MCUtil.toLocation(world, blockposition1),
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+ org.bukkit.entity.EntityType.IRON_GOLEM,
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+ org.bukkit.event.entity.CreatureSpawnEvent.SpawnReason.VILLAGE_DEFENSE
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+ );
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+ if (!event.callEvent()) {
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+ if (event.shouldAbortSpawn()) {
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+ SensorGolemLastSeen.b(this); // Set Golem Last Seen to stop it from spawning another one
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+ return null;
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+ }
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+ break;
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+ }
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+ // Paper end
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EntityIronGolem entityirongolem = (EntityIronGolem) EntityTypes.IRON_GOLEM.createCreature(worldserver, (NBTTagCompound) null, (IChatBaseComponent) null, (EntityHuman) null, blockposition1, EnumMobSpawn.MOB_SUMMONED, false, false);
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if (entityirongolem != null) {
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diff --git a/src/main/java/net/minecraft/server/MobSpawnerAbstract.java b/src/main/java/net/minecraft/server/MobSpawnerAbstract.java
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index 34ab03fce7ab5c7702234590ffc9ca7fec72a86a..2827026ba4bdd857f231028393726d6c95610072 100644
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--- a/src/main/java/net/minecraft/server/MobSpawnerAbstract.java
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+++ b/src/main/java/net/minecraft/server/MobSpawnerAbstract.java
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@@ -108,6 +108,27 @@ public abstract class MobSpawnerAbstract {
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WorldServer worldserver = (WorldServer) world;
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if (EntityPositionTypes.a((EntityTypes) optional.get(), worldserver, EnumMobSpawn.SPAWNER, new BlockPosition(d3, d4, d5), world.getRandom())) {
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+ // Paper start
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+ EntityTypes<?> entityType = optional.get();
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+ String key = EntityTypes.getName(entityType).getKey();
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+
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+ org.bukkit.entity.EntityType type = org.bukkit.entity.EntityType.fromName(key);
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+ if (type != null) {
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+ com.destroystokyo.paper.event.entity.PreCreatureSpawnEvent event;
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+ event = new com.destroystokyo.paper.event.entity.PreCreatureSpawnEvent(
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+ MCUtil.toLocation(world, d3, d4, d5),
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+ type,
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+ org.bukkit.event.entity.CreatureSpawnEvent.SpawnReason.SPAWNER
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+ );
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+ if (!event.callEvent()) {
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+ flag = true;
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+ if (event.shouldAbortSpawn()) {
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+ break;
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+ }
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+ continue;
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+ }
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+ }
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+ // Paper end
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Entity entity = EntityTypes.a(nbttagcompound, world, (entity1) -> {
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entity1.setPositionRotation(d3, d4, d5, entity1.yaw, entity1.pitch);
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return entity1;
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diff --git a/src/main/java/net/minecraft/server/SensorGolemLastSeen.java b/src/main/java/net/minecraft/server/SensorGolemLastSeen.java
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index 008932fafece5a62541b94444d56ab717c4d103f..f8727f7b3f146ae023c64ace4919d150c31a1ac3 100644
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--- a/src/main/java/net/minecraft/server/SensorGolemLastSeen.java
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+++ b/src/main/java/net/minecraft/server/SensorGolemLastSeen.java
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@@ -29,7 +29,7 @@ public class SensorGolemLastSeen extends Sensor<EntityLiving> {
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Optional<List<EntityLiving>> optional = entityliving.getBehaviorController().getMemory(MemoryModuleType.MOBS);
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if (optional.isPresent()) {
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- boolean flag = ((List) optional.get()).stream().anyMatch((entityliving1) -> {
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+ boolean flag = optional.get().stream().anyMatch((entityliving1) -> { // Paper - decompile fixes
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return entityliving1.getEntityType().equals(EntityTypes.IRON_GOLEM);
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});
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@@ -40,6 +40,7 @@ public class SensorGolemLastSeen extends Sensor<EntityLiving> {
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}
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}
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+ public static void setDetectedRecently(EntityLiving entityLiving) { b(entityLiving); } // Paper - OBFHELPER
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public static void b(EntityLiving entityliving) {
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entityliving.getBehaviorController().a(MemoryModuleType.GOLEM_DETECTED_RECENTLY, true, 600L);
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}
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diff --git a/src/main/java/net/minecraft/server/SpawnerCreature.java b/src/main/java/net/minecraft/server/SpawnerCreature.java
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index 137ee1b453b80e96c1a8fa3271f6350f9294cafb..0ecdfd45073235b7b01e84f4490f17088c4ee675 100644
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--- a/src/main/java/net/minecraft/server/SpawnerCreature.java
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+++ b/src/main/java/net/minecraft/server/SpawnerCreature.java
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@@ -184,9 +184,16 @@ public final class SpawnerCreature {
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j1 = biomesettingsmobs_c.d + worldserver.random.nextInt(1 + biomesettingsmobs_c.e - biomesettingsmobs_c.d);
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}
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- if (a(worldserver, enumcreaturetype, structuremanager, chunkgenerator, biomesettingsmobs_c, blockposition_mutableblockposition, d2) && spawnercreature_c.test(biomesettingsmobs_c.c, blockposition_mutableblockposition, ichunkaccess)) {
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+ // Paper start
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+ Boolean doSpawning = a(worldserver, enumcreaturetype, structuremanager, chunkgenerator, biomesettingsmobs_c, blockposition_mutableblockposition, d2);
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+ if (doSpawning == null) {
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+ return;
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+ }
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+ if (doSpawning && spawnercreature_c.test(biomesettingsmobs_c.c, blockposition_mutableblockposition, ichunkaccess)) {
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+ // Paper end
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EntityInsentient entityinsentient = a(worldserver, biomesettingsmobs_c.c);
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+
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if (entityinsentient == null) {
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return;
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}
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@@ -239,8 +246,24 @@ public final class SpawnerCreature {
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}
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}
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- private static boolean a(WorldServer worldserver, EnumCreatureType enumcreaturetype, StructureManager structuremanager, ChunkGenerator chunkgenerator, BiomeSettingsMobs.c biomesettingsmobs_c, BlockPosition.MutableBlockPosition blockposition_mutableblockposition, double d0) {
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+ private static Boolean a(WorldServer worldserver, EnumCreatureType enumcreaturetype, StructureManager structuremanager, ChunkGenerator chunkgenerator, BiomeSettingsMobs.c biomesettingsmobs_c, BlockPosition.MutableBlockPosition blockposition_mutableblockposition, double d0) { // Paper
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EntityTypes<?> entitytypes = biomesettingsmobs_c.c;
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+ // Paper start
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+ com.destroystokyo.paper.event.entity.PreCreatureSpawnEvent event;
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+ org.bukkit.entity.EntityType type = org.bukkit.entity.EntityType.fromName(EntityTypes.getName(entitytypes).getKey());
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+ if (type != null) {
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+ event = new com.destroystokyo.paper.event.entity.PreCreatureSpawnEvent(
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+ MCUtil.toLocation(worldserver, blockposition_mutableblockposition),
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+ type, SpawnReason.NATURAL
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+ );
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+ if (!event.callEvent()) {
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+ if (event.shouldAbortSpawn()) {
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+ return null;
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+ }
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+ return false;
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+ }
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+ }
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+ // Paper end
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if (entitytypes.e() == EnumCreatureType.MISC) {
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return false;
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