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You're never gonna win, are you. People want bugs as a result of increased performance fixed, but then they want more performance as a result of bugs fixed. This reverts orebfuscator back to being threaded, and thus more performant, but unsafe.

This commit is contained in:
md_5 2014-02-04 17:24:18 +11:00
parent 4e47d75136
commit 170aa26ca3
1 changed files with 73 additions and 20 deletions
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93
CraftBukkit-Patches/0068-Orebfuscator.patch
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@ -1,4 +1,4 @@
From 7fc2e775270cd5909fc9dd80b84c4883a2226df5 Mon Sep 17 00:00:00 2001
From af77f1fa0985f52d888dfd1d6302aa41d0dc786d 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
@ -37,29 +37,71 @@ 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..e80d8b9 100644
index 09b34e9..3006712 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.obfuscate(chunk.locX, chunk.locZ, i, chunkmap.a, chunk.world); // Spigot
+ chunk.world.spigotConfig.antiXrayInstance.obfuscateSync(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..fc92026 100644
index bf3a139..30bf8a7 100644
--- a/src/main/java/net/minecraft/server/PacketPlayOutMapChunkBulk.java
+++ b/src/main/java/net/minecraft/server/PacketPlayOutMapChunkBulk.java
@@ -43,6 +43,7 @@ public class PacketPlayOutMapChunkBulk extends Packet {
for (int k = 0; k < i; ++k) {
@@ -26,6 +26,7 @@ public class PacketPlayOutMapChunkBulk extends Packet {
}
};
// 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, chunkmap.b, 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
@ -86,10 +128,10 @@ 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..30280d4
index 0000000..297fae8
--- /dev/null
+++ b/src/main/java/org/spigotmc/AntiXray.java
@@ -0,0 +1,189 @@
@@ -0,0 +1,200 @@
+package org.spigotmc;
+
+import gnu.trove.set.TByteSet;
@ -122,12 +164,11 @@ index 0000000..30280d4
+ {
+ Block block = Block.e( i );
+ // Check it exists and is not a tile entity
+ if ( block != null && block.isTileEntity() )
+ if ( block != null && !block.isTileEntity() )
+ {
+ continue;
+ // Add it to the set of replacement blocks
+ blocks.add( (byte) (int) i );
+ }
+ // Add it to the set of replacement blocks
+ blocks.add( (byte) (int) i );
+ }
+ // Bake it to a flat array of replacements
+ replacementOres = blocks.toArray();
@ -148,14 +189,27 @@ index 0000000..30280d4
+ }
+
+ /**
+ * 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 chunkZ, int bitmask, byte[] buffer, World world)
+ public void obfuscate(int chunkX, int chunkY, int bitmask, byte[] buffer, World world)
+ {
+ // 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
@ -165,7 +219,7 @@ index 0000000..30280d4
+
+ // Chunk corner X and Z blocks
+ int startX = chunkX << 4;
+ int startZ = chunkZ << 4;
+ int startZ = chunkY << 4;
+
+ // Chunks can have up to 16 sections
+ for ( int i = 0; i < 16; i++ )
@ -223,7 +277,6 @@ index 0000000..30280d4
+ }
+ }
+ }
+ obfuscate.stopTiming();
+ }
+ }
+
@ -233,10 +286,10 @@ index 0000000..30280d4
+ if ( world.isLoaded( x, y, z ) )
+ {
+ // Get block id
+ Block block = world.getType( x, y, z );
+ Block block = world.getType(x, y, z);
+
+ // See if it needs update
+ if ( updateSelf && obfuscateBlocks[Block.b( block )] )
+ if ( updateSelf && obfuscateBlocks[Block.b(block)] )
+ {
+ // Send the update
+ world.notify( x, y, z );
@ -269,7 +322,7 @@ index 0000000..30280d4
+
+ private static boolean hasTransparentBlockAdjacent(World world, int x, int y, int z, int radius)
+ {
+ return !world.getType( x, y, z ).r() /* isSolidBlock */
+ return !world.getType(x, y, z).r() /* isSolidBlock */
+ || ( radius > 0
+ && ( hasTransparentBlockAdjacent( world, x + 1, y, z, radius - 1 )
+ || hasTransparentBlockAdjacent( world, x - 1, y, z, radius - 1 )