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Mirror von https://github.com/PaperMC/Paper.git synchronisiert 2024-12-15 11:00:06 +01:00
Paper/Spigot-Server-Patches/0261-PreCreatureSpawnEvent.patch
Aikar 094bb03a37
Optimize Hoppers
- Lots of itemstack cloning removed. Only clone if the item is actually moved
- Return true when a plugin cancels inventory move item event instead of false, as false causes pulls to cycle through all items.
  However, pushes do not exhibit the same behavior, so this is not something plugins could of been relying on.
- Add option (Default on) to cooldown hoppers when they fail to move an item due to full inventory
- Skip subsequent InventoryMoveItemEvents if a plugin does not use the item after first event fire for an iteration
2018-02-12 23:26:02 -05:00

92 Zeilen
5.5 KiB
Diff

From 7d00eaca27f88fe73d52cb565085953013d89410 Mon Sep 17 00:00:00 2001
From: Aikar <aikar@aikar.co>
Date: Sun, 14 Jan 2018 17:01:31 -0500
Subject: [PATCH] PreCreatureSpawnEvent
Adds an event to fire before an Entity is created, so that plugins that need to cancel
CreatureSpawnEvent can do so from this event instead.
Cancelling CreatureSpawnEvent rapidly causes a lot of garbage collection and CPU waste
as it's done after the Entity object has been fully created.
Mob Limiting plugins and blanket "ban this type of monster" plugins should use this event
instead and save a lot of server resources.
See: https://github.com/PaperMC/Paper/issues/917
diff --git a/src/main/java/net/minecraft/server/MobSpawnerAbstract.java b/src/main/java/net/minecraft/server/MobSpawnerAbstract.java
index 87fe4775f..9d580ea01 100644
--- a/src/main/java/net/minecraft/server/MobSpawnerAbstract.java
+++ b/src/main/java/net/minecraft/server/MobSpawnerAbstract.java
@@ -1,6 +1,7 @@
package net.minecraft.server;
import com.google.common.collect.Lists;
+
import java.util.Iterator;
import java.util.List;
import javax.annotation.Nullable;
@@ -87,6 +88,29 @@ public abstract class MobSpawnerAbstract {
double d3 = j >= 1 ? nbttaglist.f(0) : (double) blockposition.getX() + (world.random.nextDouble() - world.random.nextDouble()) * (double) this.spawnRange + 0.5D;
double d4 = j >= 2 ? nbttaglist.f(1) : (double) (blockposition.getY() + world.random.nextInt(3) - 1);
double d5 = j >= 3 ? nbttaglist.f(2) : (double) blockposition.getZ() + (world.random.nextDouble() - world.random.nextDouble()) * (double) this.spawnRange + 0.5D;
+ // Paper start
+ if (this.getMobName() == null) {
+ return;
+ }
+ String key = this.getMobName().getKey();
+ org.bukkit.entity.EntityType type = org.bukkit.entity.EntityType.fromName(key);
+ if (type != null) {
+ com.destroystokyo.paper.event.entity.PreCreatureSpawnEvent event;
+ event = new com.destroystokyo.paper.event.entity.PreCreatureSpawnEvent(
+ MCUtil.toLocation(world, d3, d4, d5),
+ type,
+ org.bukkit.event.entity.CreatureSpawnEvent.SpawnReason.SPAWNER
+ );
+ if (!event.callEvent()) {
+ if (event.shouldAbortSpawn()) {
+ break;
+ }
+ continue;
+ }
+ } else {
+ MinecraftServer.LOGGER.warn("Warning, could not find EntityType for " + key + " - Please report this to Paper at https://github.com/PaperMC/Paper/issues");
+ }
+ // Paper end
Entity entity = ChunkRegionLoader.a(nbttagcompound, world, d3, d4, d5, false);
if (entity == null) {
diff --git a/src/main/java/net/minecraft/server/SpawnerCreature.java b/src/main/java/net/minecraft/server/SpawnerCreature.java
index 2cd063829..e217d3340 100644
--- a/src/main/java/net/minecraft/server/SpawnerCreature.java
+++ b/src/main/java/net/minecraft/server/SpawnerCreature.java
@@ -184,6 +184,25 @@ public final class SpawnerCreature {
}
if (worldserver.a(enumcreaturetype, biomebase_biomemeta, (BlockPosition) blockposition_mutableblockposition) && a(EntityPositionTypes.a(biomebase_biomemeta.b), worldserver, blockposition_mutableblockposition)) {
+ // Paper start
+ com.destroystokyo.paper.event.entity.PreCreatureSpawnEvent event;
+ Class<? extends EntityInsentient> cls = biomebase_biomemeta.b;
+ org.bukkit.entity.EntityType type = EntityTypes.clsToTypeMap.get(cls);
+ if (type != null) {
+ event = new com.destroystokyo.paper.event.entity.PreCreatureSpawnEvent(
+ MCUtil.toLocation(worldserver, blockposition_mutableblockposition),
+ type, SpawnReason.NATURAL
+ );
+ if (!event.callEvent()) {
+ if (event.shouldAbortSpawn()) {
+ continue label120;
+ }
+ j1 += l2;
+ ++j4;
+ continue;
+ }
+ }
+ // Paper end
EntityInsentient entityinsentient;
try {
--
2.16.1