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Fix bounds checking on chunkcache. Should fix a bunch of rp2 and maybe other extended tile entity code

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Christian 2012-10-07 00:28:42 -04:00
parent 8e92472409
commit 2c8517f4d7
1 changed files with 33 additions and 0 deletions
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33
patches/common/net/minecraft/src/ChunkCache.java.patch Normal file
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@ -0,0 +1,33 @@
--- ../src_base/common/net/minecraft/src/ChunkCache.java
+++ ../src_work/common/net/minecraft/src/ChunkCache.java
@@ -91,7 +91,15 @@
{
int var4 = (par1 >> 4) - this.chunkX;
int var5 = (par3 >> 4) - this.chunkZ;
- return this.chunkArray[var4][var5].getChunkBlockTileEntity(par1 & 15, par2, par3 & 15);
+ if (var4 >= 0 && var4 < this.chunkArray.length && var5 >= 0 && var5 < this.chunkArray[var4].length)
+ {
+ Chunk var6 = this.chunkArray[var4][var5];
+ return var6 == null ? null : var6.getChunkBlockTileEntity(par1 & 15, par2, par3 & 15);
+ }
+ else
+ {
+ return null;
+ }
}
@SideOnly(Side.CLIENT)
@@ -239,7 +247,12 @@
{
int var4 = (par1 >> 4) - this.chunkX;
int var5 = (par3 >> 4) - this.chunkZ;
- return this.chunkArray[var4][var5].getBlockMetadata(par1 & 15, par2, par3 & 15);
+ if (var4 >= 0 && var4 < this.chunkArray.length && var5 >= 0 && var5 < this.chunkArray[var4].length)
+ {
+ Chunk var6 = this.chunkArray[var4][var5];
+ return var6 == null ? 0 : var6.getBlockMetadata(par1 & 15, par2, par3 & 15);
+ }
+ return 0;
}
}