/** 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 ID of a block in the chunk. */
public int getBlockID(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.getExtBlockID(par1, par2 & 15, par3) : 0;
}
}
/** Sets a blockID of a position within a chunk with metadata. Args: x, y, z, blockID, metadata */
public boolean setBlockIDWithMetadata(int par1, int par2, int par3, int par4, int par5) {
int var6 = par3 << 4 | par1;
if (par2 >= this.precipitationHeightMap[var6] - 1) {
this.precipitationHeightMap[var6] = -999;
}
int var7 = this.heightMap[var6];
int var8 = this.getBlockID(par1, par2, par3);
int var9 = this.getBlockMetadata(par1, par2, par3);
if (var8 == par4 && var9 == par5) {
return false;
} else {
ExtendedBlockStorage var10 = this.storageArrays[par2 >> 4];
boolean var11 = false;
if (var10 == null) {
if (par4 == 0) {
return false;
}
var10 =
this.storageArrays[par2 >> 4] =
new ExtendedBlockStorage(par2 >> 4 << 4, !this.worldObj.provider.hasNoSky);
var11 = par2 >= var7;
}
int var12 = this.xPosition * 16 + par1;
int var13 = this.zPosition * 16 + par3;
if (var8 != 0 && !this.worldObj.isRemote) {
Block.blocksList[var8].onSetBlockIDWithMetaData(this.worldObj, var12, par2, var13, var9);
}
var10.setExtBlockID(par1, par2 & 15, par3, par4);
if (var8 != 0) {
if (!this.worldObj.isRemote) {
Block.blocksList[var8].breakBlock(this.worldObj, var12, par2, var13, var8, var9);
} else if (Block.blocksList[var8] instanceof ITileEntityProvider && var8 != par4) {
this.worldObj.removeBlockTileEntity(var12, par2, var13);
}
}
if (var10.getExtBlockID(par1, par2 & 15, par3) != par4) {
return false;
} else {
var10.setExtBlockMetadata(par1, par2 & 15, par3, par5);
if (var11) {
this.generateSkylightMap();
} else {
if (Block.lightOpacity[par4 & 4095] > 0) {
if (par2 >= var7) {
this.relightBlock(par1, par2 + 1, par3);
}
} else if (par2 == var7 - 1) {
this.relightBlock(par1, par2, par3);
}
this.propagateSkylightOcclusion(par1, par3);
}
TileEntity var14;
if (par4 != 0) {
if (!this.worldObj.isRemote) {
Block.blocksList[par4].onBlockAdded(this.worldObj, var12, par2, var13);
}
if (Block.blocksList[par4] instanceof ITileEntityProvider) {
var14 = this.getChunkBlockTileEntity(par1, par2, par3);
if (var14 == null) {
var14 =
((ITileEntityProvider) Block.blocksList[par4]).createNewTileEntity(this.worldObj);
this.worldObj.setBlockTileEntity(var12, par2, var13, var14);
}
if (var14 != null) {
var14.updateContainingBlockInfo();
}
}
} else if (var8 > 0 && Block.blocksList[var8] instanceof ITileEntityProvider) {
var14 = this.getChunkBlockTileEntity(par1, par2, par3);
if (var14 != null) {
var14.updateContainingBlockInfo();
}
}
this.isModified = true;
return true;
}
}
}
/**
* plays random cave ambient sounds and runs updateTick on random blocks within each chunk in the
* vacinity of a player
*/
protected void tickBlocksAndAmbiance() {
super.tickBlocksAndAmbiance();
int var1 = 0;
int var2 = 0;
Iterator var3 = this.activeChunkSet.iterator();
while (var3.hasNext()) {
ChunkCoordIntPair var4 = (ChunkCoordIntPair) var3.next();
int var5 = var4.chunkXPos * 16;
int var6 = var4.chunkZPos * 16;
this.theProfiler.startSection("getChunk");
Chunk var7 = this.getChunkFromChunkCoords(var4.chunkXPos, var4.chunkZPos);
this.moodSoundAndLightCheck(var5, var6, var7);
this.theProfiler.endStartSection("tickChunk");
var7.updateSkylight();
this.theProfiler.endStartSection("thunder");
int var8;
int var9;
int var10;
int var11;
if (this.rand.nextInt(100000) == 0 && this.isRaining() && this.isThundering()) {
this.updateLCG = this.updateLCG * 3 + 1013904223;
var8 = this.updateLCG >> 2;
var9 = var5 + (var8 & 15);
var10 = var6 + (var8 >> 8 & 15);
var11 = this.getPrecipitationHeight(var9, var10);
if (this.canLightningStrikeAt(var9, var11, var10)) {
this.addWeatherEffect(
new EntityLightningBolt(this, (double) var9, (double) var11, (double) var10));
}
}
this.theProfiler.endStartSection("iceandsnow");
int var13;
if (this.rand.nextInt(16) == 0) {
this.updateLCG = this.updateLCG * 3 + 1013904223;
var8 = this.updateLCG >> 2;
var9 = var8 & 15;
var10 = var8 >> 8 & 15;
var11 = this.getPrecipitationHeight(var9 + var5, var10 + var6);
if (this.isBlockFreezableNaturally(var9 + var5, var11 - 1, var10 + var6)) {
this.setBlock(var9 + var5, var11 - 1, var10 + var6, Block.ice.blockID);
}
if (this.isRaining() && this.canSnowAt(var9 + var5, var11, var10 + var6)) {
this.setBlock(var9 + var5, var11, var10 + var6, Block.snow.blockID);
}
if (this.isRaining()) {
BiomeGenBase var12 = this.getBiomeGenForCoords(var9 + var5, var10 + var6);
if (var12.canSpawnLightningBolt()) {
var13 = this.getBlockId(var9 + var5, var11 - 1, var10 + var6);
if (var13 != 0) {
Block.blocksList[var13].fillWithRain(this, var9 + var5, var11 - 1, var10 + var6);
}
}
}
}
this.theProfiler.endStartSection("tickTiles");
ExtendedBlockStorage[] var19 = var7.getBlockStorageArray();
var9 = var19.length;
for (var10 = 0; var10 < var9; ++var10) {
ExtendedBlockStorage var21 = var19[var10];
if (var21 != null && var21.getNeedsRandomTick()) {
for (int var20 = 0; var20 < 3; ++var20) {
this.updateLCG = this.updateLCG * 3 + 1013904223;
var13 = this.updateLCG >> 2;
int var14 = var13 & 15;
int var15 = var13 >> 8 & 15;
int var16 = var13 >> 16 & 15;
int var17 = var21.getExtBlockID(var14, var16, var15);
++var2;
Block var18 = Block.blocksList[var17];
if (var18 != null && var18.getTickRandomly()) {
++var1;
var18.updateTick(
this, var14 + var5, var16 + var21.getYLocation(), var15 + var6, this.rand);
}
}
}
}
this.theProfiler.endSection();
}
}