PaperMC/Spigot-Server-Patches/Optimize-Biome-Mob-Lookups-for-Mob-Spawning.patch
Aikar b06cb423cb Updated Upstream (Bukkit/CraftBukkit)
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:
77fd87e4 SPIGOT-2304: Implement LootGenerateEvent
a1a705ee SPIGOT-5566: Doused campfires & fires should call EntityChangeBlockEvent
41712edd SPIGOT-5707: PersistentDataHolder not Persistent on API dropped Item
2020-05-01 18:03:47 -04:00

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From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Aikar <aikar@aikar.co>
Date: Wed, 12 Sep 2018 21:47:01 -0400
Subject: [PATCH] Optimize Biome Mob Lookups for Mob Spawning
Uses an EnumMap as well as a Set paired List for O(1) contains calls.
diff --git a/src/main/java/net/minecraft/server/BiomeBase.java b/src/main/java/net/minecraft/server/BiomeBase.java
index 253890e537..0102a170dc 100644
--- a/src/main/java/net/minecraft/server/BiomeBase.java
+++ b/src/main/java/net/minecraft/server/BiomeBase.java
@@ -0,0 +0,0 @@ public abstract class BiomeBase {
protected final Map<WorldGenStage.Decoration, List<WorldGenFeatureConfigured<?, ?>>> r = Maps.newHashMap();
protected final List<WorldGenFeatureConfigured<?, ?>> s = Lists.newArrayList();
protected final Map<StructureGenerator<?>, WorldGenFeatureConfiguration> t = Maps.newHashMap();
- private final Map<EnumCreatureType, List<BiomeBase.BiomeMeta>> v = Maps.newHashMap();
+ private final java.util.EnumMap<EnumCreatureType, List<BiomeBase.BiomeMeta>> v = Maps.newEnumMap(EnumCreatureType.class); // Paper
private final ThreadLocal<Long2FloatLinkedOpenHashMap> w = ThreadLocal.withInitial(() -> {
return (Long2FloatLinkedOpenHashMap) SystemUtils.a(() -> {
Long2FloatLinkedOpenHashMap long2floatlinkedopenhashmap = new Long2FloatLinkedOpenHashMap(1024, 0.25F) {
@@ -0,0 +0,0 @@ public abstract class BiomeBase {
for (j = 0; j < i; ++j) {
EnumCreatureType enumcreaturetype = aenumcreaturetype[j];
- this.v.put(enumcreaturetype, Lists.newArrayList());
+ this.v.put(enumcreaturetype, new MobList()); // Paper
}
} else {
@@ -0,0 +0,0 @@ public abstract class BiomeBase {
return this.m;
}
+ // Paper start - keep track of data in a pair set to give O(1) contains calls - we have to hook removals incase plugins mess with it
+ public static class MobList extends java.util.ArrayList<BiomeMeta> {
+ java.util.Set<BiomeMeta> biomes = new java.util.HashSet<>();
+
+ @Override
+ public boolean contains(Object o) {
+ return biomes.contains(o);
+ }
+
+ @Override
+ public boolean add(BiomeMeta biomeMeta) {
+ biomes.add(biomeMeta);
+ return super.add(biomeMeta);
+ }
+
+ @Override
+ public BiomeMeta remove(int index) {
+ BiomeMeta removed = super.remove(index);
+ if (removed != null) {
+ biomes.remove(removed);
+ }
+ return removed;
+ }
+
+ @Override
+ public void clear() {
+ biomes.clear();
+ super.clear();
+ }
+ }
+ // Paper end
+
public static class a {
@Nullable
--