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Add obfuscation helper patch to assist update process.

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By: md_5 <git@md-5.net>
This commit is contained in:
Spigot
2014-04-14 10:40:29 +10:00
parent b6ad1541ce
commit 5f889e2cf5
132 changed files with 205 additions and 179 deletions
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66
CraftBukkit-Patches/0044-Entity-ticking-chunk-caching.patch Normal file
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@@ -0,0 +1,66 @@
From 9d5f0caeda6236c3483e0b8338bc89d43acc48bd Mon Sep 17 00:00:00 2001
From: Ammar Askar <ammar@ammaraskar.com>
Date: Tue, 16 Jul 2013 03:32:32 +0500
Subject: [PATCH] Entity ticking chunk caching
Cache known loaded chunks so we avoid making a potentially expensive contains call for every single entity in exchange for some simple arithmetic. Best case scenario, this cuts down contains call to once per chunk, worst case it adds on some simple arithmetic operations
diff --git a/src/main/java/net/minecraft/server/World.java b/src/main/java/net/minecraft/server/World.java
index 96b5bc7..b0b9757 100644
--- a/src/main/java/net/minecraft/server/World.java
+++ b/src/main/java/net/minecraft/server/World.java
@@ -1186,6 +1186,7 @@ public abstract class World implements IBlockAccess {
CrashReport crashreport;
CrashReportSystemDetails crashreportsystemdetails;
+ long lastChunk = Long.MIN_VALUE; // Spigot - cache chunk x, z cords for unload queue
for (i = 0; i < this.i.size(); ++i) {
entity = (Entity) this.i.get(i);
// CraftBukkit start - Fixed an NPE, don't process entities in chunks queued for unload
@@ -1194,10 +1195,15 @@ public abstract class World implements IBlockAccess {
}
ChunkProviderServer chunkProviderServer = ((WorldServer) this).chunkProviderServer;
- if (chunkProviderServer.unloadQueue.contains(MathHelper.floor(entity.locX) >> 4, MathHelper.floor(entity.locZ) >> 4)) {
- continue;
+ // Spigot start - check last chunk to see if this loaded (fast cache)
+ long chunk = org.bukkit.craftbukkit.util.LongHash.toLong(MathHelper.floor(entity.locX) >> 4, MathHelper.floor(entity.locZ) >> 4);
+ if (lastChunk != chunk) {
+ if (chunkProviderServer.unloadQueue.contains(chunk)) { // Spigot end
+ continue;
+ }
}
// CraftBukkit end
+ lastChunk = chunk; // Spigot
try {
++entity.ticksLived;
@@ -1218,6 +1224,7 @@ public abstract class World implements IBlockAccess {
this.i.remove(i--);
}
}
+ lastChunk = Long.MIN_VALUE; // Spigot
this.methodProfiler.c("remove");
this.entityList.removeAll(this.f);
@@ -1249,10 +1256,15 @@ public abstract class World implements IBlockAccess {
// Don't tick entities in chunks queued for unload
ChunkProviderServer chunkProviderServer = ((WorldServer) this).chunkProviderServer;
- if (chunkProviderServer.unloadQueue.contains(MathHelper.floor(entity.locX) >> 4, MathHelper.floor(entity.locZ) >> 4)) {
- continue;
+ // Spigot start - check last chunk to see if this loaded (fast cache)
+ long chunk = org.bukkit.craftbukkit.util.LongHash.toLong(MathHelper.floor(entity.locX) >> 4, MathHelper.floor(entity.locZ) >> 4);
+ if (lastChunk != chunk) {
+ if (chunkProviderServer.unloadQueue.contains(chunk)) { // Spigot end
+ continue;
+ }
}
// CraftBukkit end
+ lastChunk = Long.MIN_VALUE; // Spigot
if (entity.vehicle != null) {
if (!entity.vehicle.dead && entity.vehicle.passenger == entity) {
--
1.8.3.2