mirror of
https://github.com/PaperMC/Paper.git
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b62dfa0bf9
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: 39ce5d3a SPIGOT-4399: ItemMeta.equals broken with AttributeModifiers CraftBukkit Changes:1cf8b5dcSPIGOT-4400: Populators running on existing chunks116cb9a1SPIGOT-4399: Add attribute modifier equality test5ee1c18aSPIGOT-4398: Set ASM7_EXPERIMENTAL flag
97 lines
5.9 KiB
Diff
97 lines
5.9 KiB
Diff
From 50a7ddacc14cd3f3cfbdd0b9639f5575b510c846 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 408ef423e9..79600cd73e 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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@@ -1,6 +1,7 @@
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package net.minecraft.server;
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import com.google.common.collect.Lists;
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+
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import java.util.Iterator;
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import java.util.List;
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import javax.annotation.Nullable;
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@@ -94,6 +95,28 @@ public abstract class MobSpawnerAbstract {
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double d3 = j >= 1 ? nbttaglist.k(0) : (double) blockposition.getX() + (world.random.nextDouble() - world.random.nextDouble()) * (double) this.spawnRange + 0.5D;
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double d4 = j >= 2 ? nbttaglist.k(1) : (double) (blockposition.getY() + world.random.nextInt(3) - 1);
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double d5 = j >= 3 ? nbttaglist.k(2) : (double) blockposition.getZ() + (world.random.nextDouble() - world.random.nextDouble()) * (double) this.spawnRange + 0.5D;
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+ // Paper start
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+ if (this.getMobName() == null) {
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+ return;
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+ }
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+ String key = this.getMobName().getKey();
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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 = ChunkRegionLoader.a(nbttagcompound, world, d3, d4, d5, false);
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if (entity == null) {
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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 cc0a884cd3..3f6bcbbd76 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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@@ -160,10 +160,30 @@ public final class SpawnerCreature {
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if (worldserver.a(enumcreaturetype, biomebase_biomemeta, (BlockPosition) blockposition_mutableblockposition)) {
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EntityPositionTypes.Surface entitypositiontypes_surface = EntityPositionTypes.a(biomebase_biomemeta.b);
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-
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if (entitypositiontypes_surface != null && a(entitypositiontypes_surface, worldserver, blockposition_mutableblockposition, biomebase_biomemeta.b)) {
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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<? extends EntityInsentient> cls = biomebase_biomemeta.b;
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+ org.bukkit.entity.EntityType type = EntityTypes.clsToTypeMap.get(cls);
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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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+ continue label128; // right above the iterator for c (Chunk Pos Set)
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+ }
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+ j1 += l2;
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+ ++j4;
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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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+
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try {
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entityinsentient = (EntityInsentient) biomebase_biomemeta.b.a((World) worldserver);
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} catch (Exception exception) {
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--
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2.19.0
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