92 Zeilen
5.6 KiB
Diff
92 Zeilen
5.6 KiB
Diff
From d12fdc3e162f3ed34415d5aab640a2c0dde75f70 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 59bd9ccd70..6f5d8b0315 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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@@ -104,6 +104,28 @@ 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.c(((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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+
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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 9c065c9997..30da877d53 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) world, (BlockPosition) blockposition_mutableblockposition, entitytypes) && EntityPositionTypes.a(entitytypes, world, EnumMobSpawn.NATURAL, blockposition_mutableblockposition, world.random) && world.c(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(world, 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);
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--
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2.22.0
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