Paper/Spigot-Server-Patches/0367-Optimize-Biome-Mob-Lookups-for-Mob-Spawning.patch
Aikar b62dfa0bf9
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:
39ce5d3a SPIGOT-4399: ItemMeta.equals broken with AttributeModifiers

CraftBukkit Changes:
1cf8b5dc SPIGOT-4400: Populators running on existing chunks
116cb9a1 SPIGOT-4399: Add attribute modifier equality test
5ee1c18a SPIGOT-4398: Set ASM7_EXPERIMENTAL flag
2018-09-28 19:31:59 -04:00

81 lines
3.4 KiB
Diff

From 39ac4e554ae280c1dd3a3cfb6be744c15ec0b266 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 66c038784c..b6990a6d7a 100644
--- a/src/main/java/net/minecraft/server/BiomeBase.java
+++ b/src/main/java/net/minecraft/server/BiomeBase.java
@@ -118,7 +118,7 @@ public abstract class BiomeBase {
protected final Map<WorldGenStage.Decoration, List<WorldGenFeatureComposite<?, ?>>> aW = Maps.newHashMap();
protected final List<WorldGenFeatureCompositeFlower<?>> aX = Lists.newArrayList();
protected final Map<StructureGenerator<?>, WorldGenFeatureConfiguration> aY = Maps.newHashMap();
- private final Map<EnumCreatureType, List<BiomeBase.BiomeMeta>> aZ = Maps.newHashMap();
+ private final java.util.EnumMap<EnumCreatureType, List<BiomeBase.BiomeMeta>> aZ = Maps.newEnumMap(EnumCreatureType.class); // Paper
@Nullable
public static BiomeBase a(BiomeBase biomebase) {
@@ -155,7 +155,7 @@ public abstract class BiomeBase {
}
for(EnumCreatureType enumcreaturetype : EnumCreatureType.values()) {
- this.aZ.put(enumcreaturetype, Lists.newArrayList());
+ this.aZ.put(enumcreaturetype, new MobList()); // Paper
}
} else {
@@ -297,7 +297,7 @@ public abstract class BiomeBase {
public void a(WorldGenStage.Decoration worldgenstage$decoration, ChunkGenerator<? extends GeneratorSettings> chunkgenerator, GeneratorAccess generatoraccess, long ix, SeededRandom seededrandom, BlockPosition blockposition) {
int jx = 0;
- for(WorldGenFeatureComposite worldgenfeaturecomposite : (List)this.aW.get(worldgenstage$decoration)) {
+ for(WorldGenFeatureComposite worldgenfeaturecomposite : this.aW.get(worldgenstage$decoration)) { // Paper - decompile fix
seededrandom.b(ix, jx, worldgenstage$decoration.ordinal());
worldgenfeaturecomposite.a(generatoraccess, chunkgenerator, seededrandom, blockposition, WorldGenFeatureConfiguration.e);
++jx;
@@ -459,6 +459,38 @@ public abstract class BiomeBase {
}
+ // 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 BiomeMeta extends WeightedRandom.WeightedRandomChoice {
public EntityTypes<? extends EntityInsentient> b;
public int c;
--
2.19.0