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53 lines
2.5 KiB
Diff
53 lines
2.5 KiB
Diff
From 93bb757069c358d8f45c8e92d005a45c83de9286 Mon Sep 17 00:00:00 2001
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From: Ammar Askar <ammar@ammaraskar.com>
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Date: Fri, 18 Jan 2013 16:20:01 +0500
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Subject: [PATCH] Optimize Chunk Unload Packet
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At the moment telling a client to unload a chunk involves calling the entire chunk from memory, deflating it and then sending it through the pipes even though the client ignores it and based on the bitmap simply unloads the chunk, and to add the cherry on top, this is done on the main server thread.
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diff --git a/src/main/java/net/minecraft/server/Packet51MapChunk.java b/src/main/java/net/minecraft/server/Packet51MapChunk.java
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index 3c3bdbf..d11c0ea 100644
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--- a/src/main/java/net/minecraft/server/Packet51MapChunk.java
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+++ b/src/main/java/net/minecraft/server/Packet51MapChunk.java
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@@ -18,11 +18,24 @@ public class Packet51MapChunk extends Packet {
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public boolean e;
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private int size;
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private static byte[] buildBuffer = new byte[196864];
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+ private static final byte[] unloadSequence = new byte[]{0x78, (byte) 0x9C, 0x63, 0x64, 0x1C, (byte) 0xD9, 0x00, 0x00, (byte) 0x81, (byte) 0x80, 0x01, 0x01}; // Spigot
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public Packet51MapChunk() {
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this.lowPriority = true;
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}
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+ // Spigot start - add constructor for chunk removals for the client
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+ public Packet51MapChunk(int x, int z) {
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+ this.a = x;
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+ this.b = z;
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+ this.e = true;
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+ this.c = 0;
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+ this.d = 0;
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+ this.size = unloadSequence.length;
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+ this.buffer = unloadSequence;
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+ }
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+ // Spigot end
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+
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public Packet51MapChunk(Chunk chunk, boolean flag, int i) {
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this.lowPriority = true;
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this.a = chunk.x;
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diff --git a/src/main/java/net/minecraft/server/PlayerChunk.java b/src/main/java/net/minecraft/server/PlayerChunk.java
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index 10a43b6..20f8e8a 100644
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--- a/src/main/java/net/minecraft/server/PlayerChunk.java
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+++ b/src/main/java/net/minecraft/server/PlayerChunk.java
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@@ -52,7 +52,7 @@ class PlayerChunk {
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public void b(EntityPlayer entityplayer) {
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if (this.b.contains(entityplayer)) {
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- entityplayer.playerConnection.sendPacket(new Packet51MapChunk(PlayerChunkMap.a(this.playerChunkMap).getChunkAt(this.location.x, this.location.z), true, 0));
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+ entityplayer.playerConnection.sendPacket(new Packet51MapChunk(this.location.x, this.location.z)); // Spigot - remove chunk load call just to unload in favour of specialized constructor
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this.b.remove(entityplayer);
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entityplayer.chunkCoordIntPairQueue.remove(this.location);
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if (this.b.isEmpty()) {
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--
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1.8.1.2
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