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We cannot put blocking network I/O onto the worldgen threads, this will crash the server if it stalls
58 lines
2.6 KiB
Diff
58 lines
2.6 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/world/level/biome/MobSpawnSettings.java b/src/main/java/net/minecraft/world/level/biome/MobSpawnSettings.java
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index 08e3a3c250056227c518a15d5df38b346abae45a..7c92decbf0f4a10cc31f821a249749009d8b1485 100644
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--- a/src/main/java/net/minecraft/world/level/biome/MobSpawnSettings.java
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+++ b/src/main/java/net/minecraft/world/level/biome/MobSpawnSettings.java
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@@ -59,11 +59,43 @@ public class MobSpawnSettings {
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}
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public static class Builder {
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- private final Map<MobCategory, List<MobSpawnSettings.SpawnerData>> spawners = Stream.of(MobCategory.values()).collect(ImmutableMap.toImmutableMap((mobCategory) -> {
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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<MobSpawnSettings.SpawnerData> {
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+ java.util.Set<MobSpawnSettings.SpawnerData> 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(MobSpawnSettings.SpawnerData BiomeSettingsMobs) {
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+ biomes.add(BiomeSettingsMobs);
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+ return super.add(BiomeSettingsMobs);
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+ }
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+
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+ @Override
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+ public MobSpawnSettings.SpawnerData remove(int index) {
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+ MobSpawnSettings.SpawnerData 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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+ // use toImmutableEnumMap collector
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+ private final Map<MobCategory, List<MobSpawnSettings.SpawnerData>> spawners = (Map) Stream.of(MobCategory.values()).collect(Maps.toImmutableEnumMap((mobCategory) -> {
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return mobCategory;
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}, (mobCategory) -> {
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- return Lists.newArrayList();
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+ return new MobList(); // Use MobList instead of ArrayList
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}));
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+ // Paper end
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private final Map<EntityType<?>, MobSpawnSettings.MobSpawnCost> mobSpawnCosts = Maps.newLinkedHashMap();
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private float creatureGenerationProbability = 0.1F;
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