diff options
Diffstat (limited to 'patches/server/0624-Entity-load-save-limit-per-chunk.patch')
-rw-r--r-- | patches/server/0624-Entity-load-save-limit-per-chunk.patch | 110 |
1 files changed, 110 insertions, 0 deletions
diff --git a/patches/server/0624-Entity-load-save-limit-per-chunk.patch b/patches/server/0624-Entity-load-save-limit-per-chunk.patch new file mode 100644 index 0000000000..1e6dba8513 --- /dev/null +++ b/patches/server/0624-Entity-load-save-limit-per-chunk.patch @@ -0,0 +1,110 @@ +From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001 +From: Jason Penilla <[email protected]> +Date: Wed, 18 Nov 2020 20:52:25 -0800 +Subject: [PATCH] Entity load/save limit per chunk + +Adds a config option to limit the number of entities saved and loaded +to a chunk. The default values of -1 disable the limit. Although +defaults are only included for certain entites, this allows setting +limits for any entity type. + +diff --git a/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java b/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java +index f372caad76d5f59f37d073bb245fca3a037c2bef..1fc750c1f33d8f25a65cf286fd88fd21ab46c0ef 100644 +--- a/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java ++++ b/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java +@@ -8,6 +8,8 @@ import it.unimi.dsi.fastutil.objects.Reference2IntMap; + import it.unimi.dsi.fastutil.objects.Reference2IntOpenHashMap; + import net.minecraft.world.entity.MobCategory; + import com.destroystokyo.paper.antixray.ChunkPacketBlockControllerAntiXray.EngineMode; ++import java.util.HashMap; ++import java.util.Map; + import org.bukkit.Bukkit; + import org.bukkit.configuration.file.YamlConfiguration; + import org.spigotmc.SpigotWorldConfig; +@@ -140,6 +142,38 @@ public class PaperWorldConfig { + ); + } + ++ public Map<net.minecraft.world.entity.EntityType<?>, Integer> entityPerChunkSaveLimits = new HashMap<>(); ++ private void entityPerChunkSaveLimits() { ++ getInt("entity-per-chunk-save-limit.experience_orb", -1); ++ getInt("entity-per-chunk-save-limit.snowball", -1); ++ getInt("entity-per-chunk-save-limit.ender_pearl", -1); ++ getInt("entity-per-chunk-save-limit.arrow", -1); ++ getInt("entity-per-chunk-save-limit.fireball", -1); ++ getInt("entity-per-chunk-save-limit.small_fireball", -1); ++ ++ addEntityPerChunkSaveLimitsFromSection(config.getConfigurationSection("world-settings.default.entity-per-chunk-save-limit"), entityPerChunkSaveLimits); ++ addEntityPerChunkSaveLimitsFromSection(config.getConfigurationSection("world-settings." + worldName + ".entity-per-chunk-save-limit"), entityPerChunkSaveLimits); ++ } ++ ++ private static void addEntityPerChunkSaveLimitsFromSection(final org.bukkit.configuration.ConfigurationSection section, final Map<net.minecraft.world.entity.EntityType<?>, Integer> limitMap) { ++ if (section == null) { ++ return; ++ } ++ for (final String key : section.getKeys(false)) { ++ final int value = section.getInt(key); ++ final net.minecraft.world.entity.EntityType<?> type = net.minecraft.world.entity.EntityType.byString(key).orElse(null); ++ if (type == null) { ++ logError("Invalid entity-per-chunk-save-limit config, '" + key+ "' is not a valid entity type. Correct this in paper.yml."); ++ continue; ++ } ++ if (value >= 0) { ++ limitMap.put(type, value); ++ } else { ++ limitMap.remove(type); ++ } ++ } ++ } ++ + public short keepLoadedRange; + private void keepLoadedRange() { + keepLoadedRange = (short) (getInt("keep-spawn-loaded-range", Math.min(spigotConfig.viewDistance, 10)) * 16); +diff --git a/src/main/java/net/minecraft/world/entity/EntityType.java b/src/main/java/net/minecraft/world/entity/EntityType.java +index d17bde781ff574799054d9696e4d4480fe04a52c..419a7e9614af2328ed401fc954196056243a984c 100644 +--- a/src/main/java/net/minecraft/world/entity/EntityType.java ++++ b/src/main/java/net/minecraft/world/entity/EntityType.java +@@ -560,9 +560,20 @@ public class EntityType<T extends Entity> implements EntityTypeTest<Entity, T> { + final Spliterator<? extends net.minecraft.nbt.Tag> spliterator = entityNbtList.spliterator(); + + return StreamSupport.stream(new Spliterator<Entity>() { ++ final java.util.Map<EntityType<?>, Integer> loadedEntityCounts = new java.util.HashMap<>(); // Paper + public boolean tryAdvance(Consumer<? super Entity> consumer) { + return spliterator.tryAdvance((nbtbase) -> { + EntityType.loadEntityRecursive((CompoundTag) nbtbase, world, (entity) -> { ++ // Paper start ++ final EntityType<?> entityType = entity.getType(); ++ final int saveLimit = world.paperConfig.entityPerChunkSaveLimits.getOrDefault(entityType, -1); ++ if (saveLimit > -1) { ++ if (this.loadedEntityCounts.getOrDefault(entityType, 0) >= saveLimit) { ++ return null; ++ } ++ this.loadedEntityCounts.merge(entityType, 1, Integer::sum); ++ } ++ // Paper end + consumer.accept(entity); + return entity; + }); +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 +index ac1e1a56698bda3a02d76c843562d4f66ad9ffa3..bc46fdff45b174d9c266d1b6b546061a39b4997d 100644 +--- a/src/main/java/net/minecraft/world/level/chunk/storage/EntityStorage.java ++++ b/src/main/java/net/minecraft/world/level/chunk/storage/EntityStorage.java +@@ -90,7 +90,18 @@ public class EntityStorage implements EntityPersistentStorage<Entity> { + + } else { + ListTag listTag = new ListTag(); ++ final java.util.Map<net.minecraft.world.entity.EntityType<?>, Integer> savedEntityCounts = new java.util.HashMap<>(); // Paper + dataList.getEntities().forEach((entity) -> { ++ // Paper start ++ final EntityType<?> entityType = entity.getType(); ++ final int saveLimit = this.level.paperConfig.entityPerChunkSaveLimits.getOrDefault(entityType, -1); ++ if (saveLimit > -1) { ++ if (savedEntityCounts.getOrDefault(entityType, 0) >= saveLimit) { ++ return; ++ } ++ savedEntityCounts.merge(entityType, 1, Integer::sum); ++ } ++ // Paper end + CompoundTag compoundTag = new CompoundTag(); + if (entity.save(compoundTag)) { + listTag.add(compoundTag); |