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8fd4e70db7
This is done by returning the center location of the chunk at the height of the input location when the target chunk isn't loaded already which is exact enough for most use cases and will get more precise once the player is close enough for the chunk being loaded anyways. As this might lead to less precise locations a config option to enable the sync loading of the chunks is provided.
91 lines
4.9 KiB
Diff
91 lines
4.9 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: jmp <jasonpenilla2@me.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 497f32e4e1c82c0403669b612d07098c625288ce..d052d53771d868e6fa25d8854fc675a808722c65 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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@@ -9,6 +9,7 @@ import java.util.stream.Collectors;
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import com.destroystokyo.paper.antixray.ChunkPacketBlockControllerAntiXray.EngineMode;
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import net.minecraft.world.EnumDifficulty;
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+import net.minecraft.world.entity.EntityTypes;
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import net.minecraft.world.entity.monster.EntityVindicator;
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import net.minecraft.world.entity.monster.EntityZombie;
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import org.bukkit.Bukkit;
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@@ -763,4 +764,18 @@ public class PaperWorldConfig {
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EnumDifficulty.class
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);
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}
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+
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+ public Map<EntityTypes<?>, 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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+ EntityTypes.getEntityNameList().forEach(name -> {
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+ final EntityTypes<?> type = EntityTypes.getByName(name.getKey()).orElseThrow(() -> new IllegalStateException("Unknown Entity Type: " + name.toString()));
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+ final String path = ".entity-per-chunk-save-limit." + name.getKey();
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+ final int value = config.getInt("world-settings." + worldName + path, config.getInt("world-settings.default" + path, -1)); // get without setting defaults
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+ if (value != -1) entityPerChunkSaveLimits.put(type, value);
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+ });
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+ }
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}
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diff --git a/src/main/java/net/minecraft/world/level/chunk/storage/ChunkRegionLoader.java b/src/main/java/net/minecraft/world/level/chunk/storage/ChunkRegionLoader.java
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index 2e5221bc1b9e260e33f2cef2653dc59d05e2680d..4eaf497d048324a85ce49fc1c6e9559991c20df7 100644
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--- a/src/main/java/net/minecraft/world/level/chunk/storage/ChunkRegionLoader.java
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+++ b/src/main/java/net/minecraft/world/level/chunk/storage/ChunkRegionLoader.java
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@@ -539,11 +539,22 @@ public class ChunkRegionLoader {
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chunk.d(false);
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+ // Paper start
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+ final Map<EntityTypes<?>, Integer> savedEntityCounts = Maps.newHashMap();
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for (int j = 0; j < chunk.getEntitySlices().length; ++j) {
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Iterator iterator1 = chunk.getEntitySlices()[j].iterator();
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while (iterator1.hasNext()) {
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Entity entity = (Entity) iterator1.next();
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+ final EntityTypes<?> entityType = entity.getEntityType();
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+ final int saveLimit = worldserver.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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+ continue;
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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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NBTTagCompound nbttagcompound4 = new NBTTagCompound();
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// Paper start
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if (asyncsavedata == null && !entity.dead && (int) Math.floor(entity.locX()) >> 4 != chunk.getPos().x || (int) Math.floor(entity.locZ()) >> 4 != chunk.getPos().z) {
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@@ -674,10 +685,21 @@ public class ChunkRegionLoader {
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NBTTagList nbttaglist = nbttagcompound.getList("Entities", 10);
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World world = chunk.getWorld();
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+ // Paper start
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+ final Map<EntityTypes<?>, Integer> loadedEntityCounts = Maps.newHashMap();
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for (int i = 0; i < nbttaglist.size(); ++i) {
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NBTTagCompound nbttagcompound1 = nbttaglist.getCompound(i);
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EntityTypes.a(nbttagcompound1, world, (entity) -> {
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+ final EntityTypes<?> entityType = entity.getEntityType();
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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 (loadedEntityCounts.getOrDefault(entityType, 0) >= saveLimit) {
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+ return null;
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+ }
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+ loadedEntityCounts.merge(entityType, 1, Integer::sum);
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+ }
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+ // Paper end
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chunk.a(entity);
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return entity;
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});
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