Paper/Spigot-Server-Patches/0296-Optimize-Biome-Mob-Lookups-for-Mob-Spawning.patch
Aikar 36f34f01c0
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:
da9ef3c5 #496: Add methods to get/set ItemStacks in EquipmentSlots
3abebc9f #492: Let Tameable extend Animals rather than Entity
941111a0 #495: Expose ItemStack and hand used in PlayerShearEntityEvent
4fe19cae #494: InventoryView - Add missing Brewing FUEL_TIME

CraftBukkit Changes:
933e9094 #664: Add methods to get/set ItemStacks in EquipmentSlots
18722312 #662: Expose ItemStack and hand used in PlayerShearEntityEvent
2020-05-06 06:05:22 -04:00

69 lines
2.8 KiB
Diff

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 253890e53702f9ba1c6628cc860a4ca10756626a..0102a170dc333fb4af01efa0aaa66df85271f1e0 100644
--- a/src/main/java/net/minecraft/server/BiomeBase.java
+++ b/src/main/java/net/minecraft/server/BiomeBase.java
@@ -40,7 +40,7 @@ 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) {
@@ -92,7 +92,7 @@ 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 {
@@ -327,6 +327,38 @@ 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