Paper/CraftBukkit-Patches/0038-Save-entity-counts-for-randomly-spawned-creatures-to.patch

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Diff

From 95080f9e04c482ed4933127e6fc168bacda5705b Mon Sep 17 00:00:00 2001
From: Ammar Askar <ammar@ammaraskar.com>
Date: Sat, 20 Apr 2013 12:26:20 +0500
Subject: [PATCH] Save entity counts for randomly spawned creatures to avoid
repeatedly traversing over the entity slices
diff --git a/src/main/java/net/minecraft/server/Chunk.java b/src/main/java/net/minecraft/server/Chunk.java
index 7416edc..958b5af 100644
--- a/src/main/java/net/minecraft/server/Chunk.java
+++ b/src/main/java/net/minecraft/server/Chunk.java
@@ -9,6 +9,7 @@ import java.util.Map;
import java.util.Random;
import org.bukkit.Bukkit; // CraftBukkit
+import gnu.trove.map.hash.TObjectIntHashMap; // Spigot
public class Chunk {
@@ -33,6 +34,7 @@ public class Chunk {
public int p;
private int u;
boolean q;
+ protected TObjectIntHashMap<Class> entityCount = new TObjectIntHashMap<Class>(); // Spigot
public Chunk(World world, int i, int j) {
this.sections = new ChunkSection[16];
@@ -560,6 +562,13 @@ public class Chunk {
entity.ak = k;
entity.al = this.z;
this.entitySlices[k].add(entity);
+ // Spigot start - increment creature type count
+ for (EnumCreatureType creatureType : EnumCreatureType.values()) {
+ if (creatureType.a().isAssignableFrom(entity.getClass())) {
+ this.entityCount.adjustOrPutValue(creatureType.a(), 1, 1);
+ }
+ }
+ // Spigot end
}
public void b(Entity entity) {
@@ -576,6 +585,13 @@ public class Chunk {
}
this.entitySlices[i].remove(entity);
+ // Spigot start - decrement creature type count
+ for (EnumCreatureType creatureType : EnumCreatureType.values()) {
+ if (creatureType.a().isAssignableFrom(entity.getClass())) {
+ this.entityCount.adjustValue(creatureType.a(), -1);
+ }
+ }
+ // Spigot end
}
public boolean d(int i, int j, int k) {
diff --git a/src/main/java/net/minecraft/server/SpawnerCreature.java b/src/main/java/net/minecraft/server/SpawnerCreature.java
index 3529074..25b83f7 100644
--- a/src/main/java/net/minecraft/server/SpawnerCreature.java
+++ b/src/main/java/net/minecraft/server/SpawnerCreature.java
@@ -33,14 +33,8 @@ public final class SpawnerCreature {
for (Long coord : b.keySet()) {
int x = LongHash.msw(coord);
int z = LongHash.lsw(coord);
- if (!server.chunkProviderServer.unloadQueue.contains(x,z) && server.isChunkLoaded(x, z)) {
- for (List<Entity> entitySlice : server.getChunkAt(x, z).entitySlices) {
- for (Entity entity : entitySlice) {
- if (oClass.isAssignableFrom(entity.getClass())) {
- ++i;
- }
- }
- }
+ if (!server.chunkProviderServer.unloadQueue.contains(coord) && server.isChunkLoaded(x, z)) {
+ i += server.getChunkAt(x, z).entityCount.get(oClass);
}
}
return i;
--
1.8.1.2