Add iterator cache to UnsafeList and use it in hotspots

Adds a specialized iterator for the list and a pool of iterators to avoid
object churn. Also optimizes the clear() method to reduce object creation.

1 files changed, 1 insertions, 1 deletions

diff --git a/src/main/java/net/minecraft/server/Chunk.java b/src/main/java/net/minecraft/server/Chunk.java
index 9fedd372..fb9bf205 100644
--- a/src/main/java/net/minecraft/server/Chunk.java
+++ b/src/main/java/net/minecraft/server/Chunk.java
@@ -57,7 +57,7 @@ public class Chunk {
         this.heightMap = new int[256];
 
         for (int k = 0; k < this.entitySlices.length; ++k) {
-            this.entitySlices[k] = new ArrayList();
+            this.entitySlices[k] = new org.bukkit.craftbukkit.util.UnsafeList(); // CraftBukkit - ArrayList -> UnsafeList
         }
 
         Arrays.fill(this.b, -999);