/** Set the metadata of a block in the chunk */
public boolean setBlockMetadata(int par1, int par2, int par3, int par4) {
ExtendedBlockStorage var5 = this.storageArrays[par2 >> 4];
if (var5 == null) {
return false;
} else {
int var6 = var5.getExtBlockMetadata(par1, par2 & 15, par3);
if (var6 == par4) {
return false;
} else {
this.isModified = true;
var5.setExtBlockMetadata(par1, par2 & 15, par3, par4);
int var7 = var5.getExtBlockID(par1, par2 & 15, par3);
if (var7 > 0 && Block.blocksList[var7] instanceof ITileEntityProvider) {
TileEntity var8 = this.getChunkBlockTileEntity(par1, par2, par3);
if (var8 != null) {
var8.updateContainingBlockInfo();
var8.blockMetadata = par4;
}
}
return true;
}
}
}
/** Return the metadata corresponding to the given coordinates inside a chunk. */
public int getBlockMetadata(int par1, int par2, int par3) {
if (par2 >> 4 >= this.storageArrays.length) {
return 0;
} else {
ExtendedBlockStorage var4 = this.storageArrays[par2 >> 4];
return var4 != null ? var4.getExtBlockMetadata(par1, par2 & 15, par3) : 0;
}
}