77 lines
2.9 KiB
Diff
77 lines
2.9 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Aikar <aikar@aikar.co>
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Date: Wed, 12 Sep 2018 21:47:01 -0400
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Subject: [PATCH] Optimize Biome Mob Lookups for Mob Spawning
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Uses an EnumMap as well as a Set paired List for O(1) contains calls.
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diff --git a/src/main/java/net/minecraft/server/BiomeBase.java b/src/main/java/net/minecraft/server/BiomeBase.java
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index ae0ac8d383ca11a683465d8c83a8b8a66e567079..30aeb45d63394b7d91c2dd7b92cfc9cefa3c088c 100644
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--- a/src/main/java/net/minecraft/server/BiomeBase.java
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+++ b/src/main/java/net/minecraft/server/BiomeBase.java
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@@ -119,7 +119,7 @@ public class BiomeBase {
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this.r.put(worldgenstage_decoration, Lists.newArrayList());
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}
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- this.v = Maps.newHashMap();
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+ this.v = Maps.newEnumMap(EnumCreatureType.class); // Paper
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EnumCreatureType[] aenumcreaturetype = EnumCreatureType.values();
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i = aenumcreaturetype.length;
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@@ -127,7 +127,7 @@ public class BiomeBase {
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for (j = 0; j < i; ++j) {
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EnumCreatureType enumcreaturetype = aenumcreaturetype[j];
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- this.v.put(enumcreaturetype, Lists.newArrayList());
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+ this.v.put(enumcreaturetype, new MobList()); // Paper
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}
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} else {
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@@ -150,7 +150,7 @@ public class BiomeBase {
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this.u = (Map) list.stream().collect(Collectors.toMap((structurefeature) -> {
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return structurefeature.b;
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}, Function.identity()));
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- this.v = map2;
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+ this.v = Maps.newEnumMap(EnumCreatureType.class); this.v.putAll(map2); // Paper
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this.x = list1;
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this.l = (String) optional.orElse(null); // Paper - decompile fix
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Stream stream = map1.values().stream().flatMap(Collection::stream).filter((worldgenfeatureconfigured) -> {
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@@ -433,6 +433,38 @@ public class BiomeBase {
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return this.l;
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}
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+ // 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
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+ public static class MobList extends java.util.ArrayList<BiomeMeta> {
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+ java.util.Set<BiomeMeta> biomes = new java.util.HashSet<>();
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+
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+ @Override
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+ public boolean contains(Object o) {
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+ return biomes.contains(o);
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+ }
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+
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+ @Override
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+ public boolean add(BiomeMeta biomeMeta) {
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+ biomes.add(biomeMeta);
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+ return super.add(biomeMeta);
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+ }
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+
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+ @Override
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+ public BiomeMeta remove(int index) {
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+ BiomeMeta removed = super.remove(index);
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+ if (removed != null) {
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+ biomes.remove(removed);
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+ }
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+ return removed;
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+ }
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+
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+ @Override
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+ public void clear() {
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+ biomes.clear();
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+ super.clear();
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+ }
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+ }
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+ // Paper end
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+
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public static class d {
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public static final Codec<BiomeBase.d> a = RecordCodecBuilder.create((instance) -> {
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