Sacrifice oreobfuscator performance for safety and reliability.

CraftBukkit-Patches/0068-Orebfuscator.patch

@@ -1,4 +1,4 @@
-From e41971932fa4ae46d673cad92d8f66a2bf85cfdb Mon Sep 17 00:00:00 2001
+From ed7b1fa657976910f496b8cdcaf25e38aecc3f26 Mon Sep 17 00:00:00 2001
 From: md_5 <md_5@live.com.au>
 Date: Thu, 16 May 2013 18:51:05 +1000
 Subject: [PATCH] Orebfuscator
@@ -37,71 +37,29 @@ index 39e5b5b..d2587c1 100644
                      double d0 = (double) ((float) i + this.world.random.nextFloat());
                      double d1 = (double) ((float) j + this.world.random.nextFloat());
 diff --git a/src/main/java/net/minecraft/server/PacketPlayOutMapChunk.java b/src/main/java/net/minecraft/server/PacketPlayOutMapChunk.java
-index 09b34e9..3006712 100644
+index 09b34e9..e80d8b9 100644
 --- a/src/main/java/net/minecraft/server/PacketPlayOutMapChunk.java
 +++ b/src/main/java/net/minecraft/server/PacketPlayOutMapChunk.java
 @@ -28,6 +28,7 @@ public class PacketPlayOutMapChunk extends Packet {
  
          this.d = chunkmap.c;
          this.c = chunkmap.b;
-+        chunk.world.spigotConfig.antiXrayInstance.obfuscateSync(chunk.locX, chunk.locZ, i, chunkmap.a, chunk.world); // Spigot
++        chunk.world.spigotConfig.antiXrayInstance.obfuscate(chunk.locX, chunk.locZ, i, chunkmap.a, chunk.world); // Spigot
  
          try {
              this.buffer = chunkmap.a;
 diff --git a/src/main/java/net/minecraft/server/PacketPlayOutMapChunkBulk.java b/src/main/java/net/minecraft/server/PacketPlayOutMapChunkBulk.java
-index bf3a139..30bf8a7 100644
+index bf3a139..ce44ad6 100644
 --- a/src/main/java/net/minecraft/server/PacketPlayOutMapChunkBulk.java
 +++ b/src/main/java/net/minecraft/server/PacketPlayOutMapChunkBulk.java
-@@ -26,6 +26,7 @@ public class PacketPlayOutMapChunkBulk extends Packet {
+@@ -43,6 +43,7 @@ public class PacketPlayOutMapChunkBulk extends Packet {
-         }
+         for (int k = 0; k < i; ++k) {
-     };
-     // CraftBukkit end
-+    private World world; // Spigot
- 
-     public PacketPlayOutMapChunkBulk() {}
- 
-@@ -44,6 +45,9 @@ public class PacketPlayOutMapChunkBulk extends Packet {
              Chunk chunk = (Chunk) list.get(k);
              ChunkMap chunkmap = PacketPlayOutMapChunk.a(chunk, true, '\uffff');
++            chunk.world.spigotConfig.antiXrayInstance.obfuscate(chunk.locX, chunk.locZ, i, chunkmap.a, chunk.world); // Spigot
  
-+            // Spigot start
-+            world = chunk.world;
-+            /*
              if (buildBuffer.length < j + chunkmap.a.length) {
                  byte[] abyte = new byte[j + chunkmap.a.length];
- 
-@@ -52,6 +56,8 @@ public class PacketPlayOutMapChunkBulk extends Packet {
-             }
- 
-             System.arraycopy(chunkmap.a, 0, buildBuffer, j, chunkmap.a.length);
-+            */
-+            // Spigot end
-             j += chunkmap.a.length;
-             this.a[k] = chunk.locX;
-             this.b[k] = chunk.locZ;
-@@ -79,6 +85,22 @@ public class PacketPlayOutMapChunkBulk extends Packet {
-         if (this.buffer != null) {
-             return;
-         }
-+        // Spigot start
-+        int finalBufferSize = 0;
-+        // Obfuscate all sections
-+        for (int i = 0; i < a.length; i++) {
-+            world.spigotConfig.antiXrayInstance.obfuscate(a[i], b[i], c[i], inflatedBuffers[i], world);
-+            finalBufferSize += inflatedBuffers[i].length;
-+        }
-+
-+        // Now it's time to efficiently copy the chunk to the build buffer
-+        buildBuffer = new byte[finalBufferSize];
-+        int bufferLocation = 0;
-+        for (int i = 0; i < a.length; i++) {
-+            System.arraycopy(inflatedBuffers[i], 0, buildBuffer, bufferLocation, inflatedBuffers[i].length);
-+            bufferLocation += inflatedBuffers[i].length;
-+        }
-+        // Spigot end
- 
-         Deflater deflater = localDeflater.get();
-         deflater.reset();
 diff --git a/src/main/java/net/minecraft/server/PlayerInteractManager.java b/src/main/java/net/minecraft/server/PlayerInteractManager.java
 index bceba7b..c963fac 100644
 --- a/src/main/java/net/minecraft/server/PlayerInteractManager.java
@@ -128,10 +86,10 @@ index 5b0875d..1aca7f6 100644
      public void b(int i, int j, int k, Block block, int l) {
 diff --git a/src/main/java/org/spigotmc/AntiXray.java b/src/main/java/org/spigotmc/AntiXray.java
 new file mode 100644
-index 0000000..297fae8
+index 0000000..ab01d3b
 --- /dev/null
 +++ b/src/main/java/org/spigotmc/AntiXray.java
-@@ -0,0 +1,200 @@
+@@ -0,0 +1,188 @@
 +package org.spigotmc;
 +
 +import gnu.trove.set.TByteSet;
@@ -189,20 +147,6 @@ index 0000000..297fae8
 +    }
 +
 +    /**
-+     * Starts the timings handler, and then removes all non exposed ores from
-+     * the chunk buffer.
-+     */
-+    public void obfuscateSync(int chunkX, int chunkY, int bitmask, byte[] buffer, World world)
-+    {
-+        if ( world.spigotConfig.antiXray )
-+        {
-+            obfuscate.startTiming();
-+            obfuscate( chunkX, chunkY, bitmask, buffer, world );
-+            obfuscate.stopTiming();
-+        }
-+    }
-+
-+    /**
 +     * Removes all non exposed ores from the chunk buffer.
 +     */
 +    public void obfuscate(int chunkX, int chunkY, int bitmask, byte[] buffer, World world)
@@ -210,6 +154,7 @@ index 0000000..297fae8
 +        // If the world is marked as obfuscated
 +        if ( world.spigotConfig.antiXray )
 +        {
++            obfuscate.startTiming();
 +            // Initial radius to search around for air
 +            int initialRadius = 1;
 +            // Which block in the buffer we are looking at, anywhere from 0 to 16^4
@@ -277,6 +222,7 @@ index 0000000..297fae8
 +                    }
 +                }
 +            }
++            obfuscate.stopTiming();
 +        }
 +    }
 +