mirror of https://github.com/PaperMC/Paper.git
59 lines
3.7 KiB
Diff
59 lines
3.7 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Jason Penilla <11360596+jpenilla@users.noreply.github.com>
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Date: Wed, 18 Nov 2020 20:52:25 -0800
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Subject: [PATCH] Entity load/save limit per chunk
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Adds a config option to limit the number of entities saved and loaded
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to a chunk. The default values of -1 disable the limit. Although
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defaults are only included for certain entites, this allows setting
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limits for any entity type.
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diff --git a/src/main/java/net/minecraft/world/entity/EntityType.java b/src/main/java/net/minecraft/world/entity/EntityType.java
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index 56b51096ca4147363a843accf6ef2510f05e8f1a..a46bf73c608641bf1f00fd55242de71a0f2ee06e 100644
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--- a/src/main/java/net/minecraft/world/entity/EntityType.java
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+++ b/src/main/java/net/minecraft/world/entity/EntityType.java
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@@ -649,9 +649,20 @@ public class EntityType<T extends Entity> implements FeatureElement, EntityTypeT
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final Spliterator<? extends Tag> spliterator = entityNbtList.spliterator();
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return StreamSupport.stream(new Spliterator<Entity>() {
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+ final java.util.Map<EntityType<?>, Integer> loadedEntityCounts = new java.util.HashMap<>(); // Paper - Entity load/save limit per chunk
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public boolean tryAdvance(Consumer<? super Entity> consumer) {
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return spliterator.tryAdvance((nbtbase) -> {
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EntityType.loadEntityRecursive((CompoundTag) nbtbase, world, (entity) -> {
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+ // Paper start - Entity load/save limit per chunk
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+ final EntityType<?> entityType = entity.getType();
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+ final int saveLimit = world.paperConfig().chunks.entityPerChunkSaveLimit.getOrDefault(entityType, -1);
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+ if (saveLimit > -1) {
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+ if (this.loadedEntityCounts.getOrDefault(entityType, 0) >= saveLimit) {
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+ return null;
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+ }
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+ this.loadedEntityCounts.merge(entityType, 1, Integer::sum);
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+ }
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+ // Paper end - Entity load/save limit per chunk
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consumer.accept(entity);
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return entity;
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});
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diff --git a/src/main/java/net/minecraft/world/level/chunk/storage/EntityStorage.java b/src/main/java/net/minecraft/world/level/chunk/storage/EntityStorage.java
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index 9fdf8f857a5f9b231c6d0633eaba498244214f74..bee39dee1b96023c907407877aedf3aafaf5e1b8 100644
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--- a/src/main/java/net/minecraft/world/level/chunk/storage/EntityStorage.java
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+++ b/src/main/java/net/minecraft/world/level/chunk/storage/EntityStorage.java
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@@ -105,7 +105,18 @@ public class EntityStorage implements EntityPersistentStorage<Entity> {
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}
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ListTag listTag = new ListTag();
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+ final java.util.Map<net.minecraft.world.entity.EntityType<?>, Integer> savedEntityCounts = new java.util.HashMap<>(); // Paper - Entity load/save limit per chunk
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entities.forEach((entity) -> { // diff here: use entities parameter
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+ // Paper start - Entity load/save limit per chunk
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+ final EntityType<?> entityType = entity.getType();
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+ final int saveLimit = level.paperConfig().chunks.entityPerChunkSaveLimit.getOrDefault(entityType, -1);
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+ if (saveLimit > -1) {
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+ if (savedEntityCounts.getOrDefault(entityType, 0) >= saveLimit) {
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+ return;
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+ }
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+ savedEntityCounts.merge(entityType, 1, Integer::sum);
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+ }
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+ // Paper end - Entity load/save limit per chunk
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CompoundTag compoundTag = new CompoundTag();
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if (entity.save(compoundTag)) {
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listTag.add(compoundTag);
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