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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/world/level/biome/BiomeSettingsMobs.java b/src/main/java/net/minecraft/world/level/biome/BiomeSettingsMobs.java
index 5adaf5fdaaec25220878213df2c0839ccf025d63..233ae33b5cbf1aafc7d2632149ccb84c0b243162 100644
--- a/src/main/java/net/minecraft/world/level/biome/BiomeSettingsMobs.java
+++ b/src/main/java/net/minecraft/world/level/biome/BiomeSettingsMobs.java
@@ -30,18 +30,27 @@ public class BiomeSettingsMobs {
}, (enumcreaturetype) -> {
return ImmutableList.of();
})), ImmutableMap.of(), false);
+ // Paper start- decompile error workaround
+ private static class bProxy extends BiomeSettingsMobs.b {
+ private bProxy(double d0, double d1) {
+ super(d0, d1);
+ }
+ }
+ private static class cProxy extends BiomeSettingsMobs.c {
+ public cProxy(EntityTypes<?> entitytypes, int i, int j, int k) {
+ super(entitytypes, i, j, k);
+ }
+ };
+ // Paper end
public static final MapCodec<BiomeSettingsMobs> c = RecordCodecBuilder.mapCodec((instance) -> {
- RecordCodecBuilder recordcodecbuilder = Codec.FLOAT.optionalFieldOf("creature_spawn_probability", 0.1F).forGetter((biomesettingsmobs) -> {
+ RecordCodecBuilder<BiomeSettingsMobs, Float> recordcodecbuilder = Codec.FLOAT.optionalFieldOf("creature_spawn_probability", 0.1F).forGetter((biomesettingsmobs) -> { // Paper - add type to builder
return biomesettingsmobs.d;
});
- Codec codec = EnumCreatureType.g;
- Codec codec1 = BiomeSettingsMobs.c.b.listOf();
- Logger logger = BiomeSettingsMobs.LOGGER;
+ // Paper - remove unused vars
- logger.getClass();
- return instance.group(recordcodecbuilder, Codec.simpleMap(codec, codec1.promotePartial(SystemUtils.a("Spawn data: ", logger::error)), INamable.a(EnumCreatureType.values())).fieldOf("spawners").forGetter((biomesettingsmobs) -> {
+ return instance.group(recordcodecbuilder, Codec.simpleMap(EnumCreatureType.g, cProxy.b.listOf().promotePartial(SystemUtils.a("Spawn data: ", BiomeSettingsMobs.LOGGER::error)), INamable.a(EnumCreatureType.values())).fieldOf("spawners").forGetter((biomesettingsmobs) -> { // Paper - inline codec, cProxy, LOGGER
return biomesettingsmobs.e;
- }), Codec.simpleMap(IRegistry.ENTITY_TYPE, BiomeSettingsMobs.b.a, IRegistry.ENTITY_TYPE).fieldOf("spawn_costs").forGetter((biomesettingsmobs) -> {
+ }), Codec.simpleMap(IRegistry.ENTITY_TYPE, bProxy.a, IRegistry.ENTITY_TYPE).fieldOf("spawn_costs").forGetter((biomesettingsmobs) -> { // Paper - decompile error - bProxy
return biomesettingsmobs.f;
}), Codec.BOOL.fieldOf("player_spawn_friendly").orElse(false).forGetter(BiomeSettingsMobs::b)).apply(instance, BiomeSettingsMobs::new);
});
@@ -76,11 +85,43 @@ public class BiomeSettingsMobs {
public static class a {
- private final Map<EnumCreatureType, List<BiomeSettingsMobs.c>> a = (Map) Stream.of(EnumCreatureType.values()).collect(ImmutableMap.toImmutableMap((enumcreaturetype) -> {
+ // 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<BiomeSettingsMobs.c> {
+ java.util.Set<BiomeSettingsMobs.c> biomes = new java.util.HashSet<>();
+
+ @Override
+ public boolean contains(Object o) {
+ return biomes.contains(o);
+ }
+
+ @Override
+ public boolean add(BiomeSettingsMobs.c BiomeSettingsMobs) {
+ biomes.add(BiomeSettingsMobs);
+ return super.add(BiomeSettingsMobs);
+ }
+
+ @Override
+ public BiomeSettingsMobs.c remove(int index) {
+ BiomeSettingsMobs.c removed = super.remove(index);
+ if (removed != null) {
+ biomes.remove(removed);
+ }
+ return removed;
+ }
+
+ @Override
+ public void clear() {
+ biomes.clear();
+ super.clear();
+ }
+ }
+ // use toImmutableEnumMap collector
+ private final Map<EnumCreatureType, List<BiomeSettingsMobs.c>> a = (Map) Stream.of(EnumCreatureType.values()).collect(Maps.toImmutableEnumMap((enumcreaturetype) -> {
return enumcreaturetype;
}, (enumcreaturetype) -> {
- return Lists.newArrayList();
+ return new MobList(); // Use MobList instead of ArrayList
}));
+ // Paper end
private final Map<EntityTypes<?>, BiomeSettingsMobs.b> b = Maps.newLinkedHashMap();
private float c = 0.1F;
private boolean d;
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