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57dd397155
Upstream has released updates that appears to apply and compile correctly. This update has not been tested by PaperMC and as with ANY update, please do your own testing Bukkit Changes: b999860d SPIGOT-2304: Add LootGenerateEvent CraftBukkit Changes:77fd87e4SPIGOT-2304: Implement LootGenerateEventa1a705eeSPIGOT-5566: Doused campfires & fires should call EntityChangeBlockEvent41712eddSPIGOT-5707: PersistentDataHolder not Persistent on API dropped Item
91 lines
5.7 KiB
Diff
91 lines
5.7 KiB
Diff
From a8b0861ae0590786277259cda44596ddb3112d6a 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/MobSpawnerAbstract.java b/src/main/java/net/minecraft/server/MobSpawnerAbstract.java
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index c38295a09d..43c491f71b 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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@@ -105,6 +105,27 @@ public abstract class MobSpawnerAbstract {
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double d5 = j >= 3 ? nbttaglist.h(2) : (double) blockposition.getZ() + (world.random.nextDouble() - world.random.nextDouble()) * (double) this.spawnRange + 0.5D;
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if (world.a(((EntityTypes) optional.get()).a(d3, d4, d5)) && EntityPositionTypes.a((EntityTypes) optional.get(), world.getMinecraftWorld(), 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/SpawnerCreature.java b/src/main/java/net/minecraft/server/SpawnerCreature.java
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index 02157d051f..224443e03c 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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@@ -38,7 +38,7 @@ public final class SpawnerCreature {
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BiomeBase.BiomeMeta biomebase_biomemeta = null;
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GroupDataEntity groupdataentity = null;
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int l1 = MathHelper.f(Math.random() * 4.0D);
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- int i2 = 0;
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+ int i2 = 0; // Paper - force diff on name change
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int j2 = 0;
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while (true) {
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@@ -77,6 +77,25 @@ public final class SpawnerCreature {
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if (a(entitypositiontypes_surface, (IWorldReader) worldserver, (BlockPosition) blockposition_mutableblockposition, entitytypes) && EntityPositionTypes.a(entitytypes, worldserver, EnumMobSpawn.NATURAL, blockposition_mutableblockposition, worldserver.random) && worldserver.a(entitytypes.a((double) f, (double) k, (double) f1))) {
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EntityInsentient entityinsentient;
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+ // Paper start
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+ com.destroystokyo.paper.event.entity.PreCreatureSpawnEvent event;
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+ EntityTypes<?> cls = biomebase_biomemeta.b;
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+ org.bukkit.entity.EntityType type = org.bukkit.entity.EntityType.fromName(EntityTypes.getName(cls).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;
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+ }
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+ ++i2;
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+ continue;
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+ }
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+ }
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+ // Paper end
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+
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try {
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Entity entity = entitytypes.a((World) worldserver);
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--
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2.26.2
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