111 lines
6.3 KiB
Diff
111 lines
6.3 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/com/destroystokyo/paper/PaperWorldConfig.java b/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java
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index 6675166be886365f2ef12dfdb4b58a96883e0d7a..8de319b60de9b5c0cfcaef6b3d4f17c73ab8e4e6 100644
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--- a/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java
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+++ b/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java
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@@ -8,6 +8,8 @@ import it.unimi.dsi.fastutil.objects.Reference2IntMap;
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import it.unimi.dsi.fastutil.objects.Reference2IntOpenHashMap;
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import net.minecraft.world.entity.MobCategory;
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import com.destroystokyo.paper.antixray.ChunkPacketBlockControllerAntiXray.EngineMode;
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+import java.util.HashMap;
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+import java.util.Map;
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import org.bukkit.Bukkit;
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import org.bukkit.configuration.file.YamlConfiguration;
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import org.spigotmc.SpigotWorldConfig;
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@@ -171,6 +173,38 @@ public class PaperWorldConfig {
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}
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}
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+ public Map<net.minecraft.world.entity.EntityType<?>, Integer> entityPerChunkSaveLimits = new HashMap<>();
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+ private void entityPerChunkSaveLimits() {
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+ getInt("entity-per-chunk-save-limit.experience_orb", -1);
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+ getInt("entity-per-chunk-save-limit.snowball", -1);
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+ getInt("entity-per-chunk-save-limit.ender_pearl", -1);
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+ getInt("entity-per-chunk-save-limit.arrow", -1);
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+ getInt("entity-per-chunk-save-limit.fireball", -1);
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+ getInt("entity-per-chunk-save-limit.small_fireball", -1);
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+
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+ addEntityPerChunkSaveLimitsFromSection(config.getConfigurationSection("world-settings.default.entity-per-chunk-save-limit"), entityPerChunkSaveLimits);
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+ addEntityPerChunkSaveLimitsFromSection(config.getConfigurationSection("world-settings." + worldName + ".entity-per-chunk-save-limit"), entityPerChunkSaveLimits);
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+ }
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+
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+ private static void addEntityPerChunkSaveLimitsFromSection(final org.bukkit.configuration.ConfigurationSection section, final Map<net.minecraft.world.entity.EntityType<?>, Integer> limitMap) {
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+ if (section == null) {
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+ return;
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+ }
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+ for (final String key : section.getKeys(false)) {
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+ final int value = section.getInt(key);
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+ final net.minecraft.world.entity.EntityType<?> type = net.minecraft.world.entity.EntityType.byString(key).orElse(null);
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+ if (type == null) {
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+ logError("Invalid entity-per-chunk-save-limit config, '" + key+ "' is not a valid entity type. Correct this in paper.yml.");
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+ continue;
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+ }
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+ if (value >= 0) {
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+ limitMap.put(type, value);
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+ } else {
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+ limitMap.remove(type);
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+ }
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+ }
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+ }
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+
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public short keepLoadedRange;
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private void keepLoadedRange() {
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keepLoadedRange = (short) (getInt("keep-spawn-loaded-range", Math.min(spigotConfig.viewDistance, 10)) * 16);
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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 5e25d055665bab4d06a9b641892d4149da01218a..79abd84696ef099f6b12ddeaa6e398f18c53316a 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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@@ -564,9 +564,20 @@ public class EntityType<T extends Entity> implements EntityTypeTest<Entity, T> {
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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
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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
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+ final EntityType<?> entityType = entity.getType();
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+ final int saveLimit = world.paperConfig.entityPerChunkSaveLimits.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
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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 edc81a67678bdcb7acb3ae4c8bfa8230792ad7a2..7d00e21ea5f93936b5fea9a9100e1dd6db9526cf 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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@@ -90,7 +90,18 @@ public class EntityStorage implements EntityPersistentStorage<Entity> {
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} else {
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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
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dataList.getEntities().forEach((entity) -> {
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+ // Paper start
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+ final EntityType<?> entityType = entity.getType();
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+ final int saveLimit = this.level.paperConfig.entityPerChunkSaveLimits.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
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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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