Java Code Examples for net.minecraft.world.World#getChunkFromChunkCoords()

public CachedGridEntry(World world, int gridX, int gridZ, int primerChunkX, int primerChunkZ) {
    this.gridX = gridX;
    this.gridZ = gridZ;
    long worldSeed = world.getSeed();
    this.gridRandom = new XSTR(31 * 31 * gridX + gridZ * 31 + Long.hashCode(worldSeed));

    int gridSizeX = WorldGeneratorImpl.GRID_SIZE_X * 16;
    int gridSizeZ = WorldGeneratorImpl.GRID_SIZE_Z * 16;
    BlockPos blockPos = new BlockPos(gridX * gridSizeX + gridSizeX / 2, world.getActualHeight(), gridZ * gridSizeZ + gridSizeZ / 2);
    Biome currentBiome = world.getBiomeProvider().getBiome(blockPos);
    this.cachedDepositMap = new ArrayList<>(WorldGenRegistry.INSTANCE.getCachedBiomeVeins(world.provider, currentBiome));

    this.worldSeaLevel = world.getSeaLevel();
    this.masterEntry = searchMasterOrNull(world);
    if (masterEntry == null) {
        Chunk primerChunk = world.getChunkFromChunkCoords(primerChunkX, primerChunkZ);
        BlockPos heightSpot = findOptimalSpot(gridX, gridZ, primerChunkX, primerChunkZ);
        int masterHeight = world.getHeight(heightSpot).getY();
        int masterBottomHeight = world.getTopSolidOrLiquidBlock(heightSpot).getY();
        this.masterEntry = primerChunk.getCapability(GTWorldGenCapability.CAPABILITY, null);
        this.masterEntry = new GTWorldGenCapability();
        this.masterEntry.setMaxHeight(masterHeight, masterBottomHeight);
    }

    triggerVeinsGeneration();
}
 

@SuppressWarnings("unchecked")
public static void setTileEntity(World world, int x, int y, int z, TileEntity te) {

    if (te == null)
        return;

    Chunk chunk = world.getChunkFromChunkCoords(x >> 4, z >> 4);
    if (chunk != null) {
        ChunkPosition pos = new ChunkPosition(x & 15, y, z & 15);
        if (chunk.chunkTileEntityMap.containsKey(pos))
            ((TileEntity) chunk.chunkTileEntityMap.get(pos)).invalidate();
        chunk.chunkTileEntityMap.put(pos, te);
        world.addTileEntity(te);
    }
}
 

public static void setBlockSneaky(World world, int x, int y, int z, Block block) {

        Chunk chunk = world.getChunkFromChunkCoords(x >> 4, z >> 4);
        if (chunk != null) {
            ExtendedBlockStorage ebs = chunk.getBlockStorageArray()[y >> 4];
            if (ebs != null)
                ebs.func_150818_a(x & 15, y & 15, z & 15, block);
        }
    }
 

@Override
public void generate(Random random, int chunkX, int chunkZ, World world, IChunkGenerator chunkGen,IChunkProvider chunkProvider)
{
	chunk = world.getChunkFromChunkCoords(chunkX, chunkZ);
	chunkX *= 16;
	chunkZ *= 16;

	map = Core.getMapForWorld(world, new BlockPos(chunkX, 0, chunkZ));
	iMoisture = map.getParams().getIslandMoisture();
}
 

public void deleteSignBlocks(SignType signType, World world) {
    if(world.provider.dimensionId != dim)
        return;

    int x1 = getStartX();
    int y1 = getStartY();
    int z1 = getStartZ();
    int x2 = getEndX();
    int y2 = getEndY();
    int z2 = getEndZ();
    int cx1 = x1 >> 4;
    int cz1 = z1 >> 4;
    int cx2 = x2 >> 4;
    int cz2 = z2 >> 4;
    for(int cx = cx1; cx <= cx2; cx++)
        for(int cz = cz1; cz <= cz2; cz++) {
            Chunk chunk = world.getChunkFromChunkCoords(cx, cz);
            if(!chunk.isChunkLoaded)
                chunk = world.getChunkProvider().loadChunk(cx, cz);

            List<int[]> sellSigns = new ArrayList<int[]>(2);
            for(Object obj: chunk.chunkTileEntityMap.values()) {
                if(obj instanceof TileEntitySign) {
                    TileEntitySign sign = (TileEntitySign) obj;
                    if(    sign.xCoord >= x1 && sign.xCoord <= x2
                        && sign.yCoord >= y1 && sign.yCoord <= y2
                        && sign.zCoord >= z1 && sign.zCoord <= z2
                        && signType.isTileValid(sign) )
                            sellSigns.add(new int[]{sign.xCoord, sign.yCoord, sign.zCoord});
                }
            }

            for(int[] sellSign: sellSigns) {
                world.removeTileEntity(sellSign[0], sellSign[1], sellSign[2]);
                world.setBlock(sellSign[0], sellSign[1], sellSign[2], Blocks.air);
            }
        }
}
 

protected static ChunkPosition getRandomSpawningPointInChunk(World worldObj, int par1, int par2)
{
    Chunk chunk = worldObj.getChunkFromChunkCoords(par1, par2);
    int i = par1 * 16 + worldObj.rand.nextInt(16);
    int j = worldObj.rand.nextInt(chunk == null ? worldObj.getActualHeight() : chunk.getTopFilledSegment() + 16 - 1);
    int k = par2 * 16 + worldObj.rand.nextInt(16);
    return new ChunkPosition(i, j, k);
}
 

public static int[][] scanChunk(World world, int offsetX, int offsetZ, int radius, int blocksPerPixel, ItemStack block) {
	blocksPerPixel = Math.max(blocksPerPixel, 1);
	int[][] ret = new int[(radius*2)/blocksPerPixel][(radius*2)/blocksPerPixel];

	Chunk chunk = world.getChunkFromChunkCoords(offsetX << 4, offsetZ << 4);
	IChunkProvider provider = world.getChunkProvider();


	for(int z = -radius; z < radius; z+=blocksPerPixel){
		for(int x = -radius; x < radius; x+=blocksPerPixel) {
			int oreCount = 0, otherCount = 0;


			for(int y = world.getHeight(); y > 0; y--) {
				for(int deltaY = 0; deltaY < blocksPerPixel; deltaY++) {
					for(int deltaZ = 0; deltaZ < blocksPerPixel; deltaZ++) {

						BlockPos pos = new BlockPos(x + offsetX, y, z + offsetZ);
						if(world.isAirBlock(pos))
							continue;

						//Note:May not work with tileEntities (GT ores)
						boolean found = false;
						List<ItemStack> drops;
						IBlockState state = world.getBlockState(pos);
						if((drops = state.getBlock().getDrops(world,pos, state, 0)) != null)
							for(ItemStack stack : drops) {
								if(stack.getItem() == block.getItem() && stack.getItemDamage() == block.getItemDamage()) {
									oreCount++;
									found = true;
								}
							}

						if(!found)
							otherCount++;
					}
				}
			}
			oreCount /= Math.pow(blocksPerPixel,2);
			otherCount /= Math.pow(blocksPerPixel,2);

			if(Thread.interrupted())
				return null;


			ret[(x+radius)/blocksPerPixel][(z+radius)/blocksPerPixel] = (int)((oreCount/(float)Math.max(otherCount,1))*0xFFFF);
		}
	}

	return ret;
}
 

/**
 * Note: array returned will be [radius/blocksPerPixel][radius/blocksPerPixel]
 * @param world
 * @param offsetX
 * @param offsetY
 * @param radius in blocks
 * @param blocksPerPixel number of blocks squared (n*n) that take up one pixel
 * @return array of ore vs other block values
 */
public static int[][] scanChunk(World world, int offsetX, int offsetZ, int radius, int blocksPerPixel) {
	blocksPerPixel = Math.max(blocksPerPixel, 1);
	int[][] ret = new int[(radius*2)/blocksPerPixel][(radius*2)/blocksPerPixel];

	Chunk chunk = world.getChunkFromChunkCoords(offsetX << 4, offsetZ << 4);
	IChunkProvider provider = world.getChunkProvider();

	if(oreList.isEmpty()) {
		String[] strings = OreDictionary.getOreNames();
		for(String str : strings) {
			if(str.startsWith("ore") || str.startsWith("dust") || str.startsWith("gem"))
				oreList.add(OreDictionary.getOreID(str));
		}
	}

	for(int z = -radius; z < radius; z+=blocksPerPixel){
		for(int x = -radius; x < radius; x+=blocksPerPixel) {
			int oreCount = 0, otherCount = 0;


			for(int y = world.getHeight(); y > 0; y--) {
				for(int deltaY = 0; deltaY < blocksPerPixel; deltaY++) {
					for(int deltaZ = 0; deltaZ < blocksPerPixel; deltaZ++) {

						BlockPos pos = new BlockPos(x + offsetX, y, z + offsetZ);
						if(world.isAirBlock(pos))
							continue;
						boolean exists = false;
						out:
							for(int i : oreList) {
								List<ItemStack> itemlist = OreDictionary.getOres(OreDictionary.getOreName(i));

								for(ItemStack item : itemlist) {
									if(item.getItem() == Item.getItemFromBlock(world.getBlockState(pos).getBlock())) {
										exists = true;
										break out;
									}
								}
							}
						if(exists)
							oreCount++;
						else
							otherCount++;
					}
				}
			}
			oreCount /= Math.pow(blocksPerPixel,2);
			otherCount /= Math.pow(blocksPerPixel,2);

			if(Thread.interrupted())
				return null;


			ret[(x+radius)/blocksPerPixel][(z+radius)/blocksPerPixel] = (int)((oreCount/(float)Math.max(otherCount,1))*0xFFFF);
		}
	}

	return ret;
}
 

public static int getHeight(World world, int worldX, int worldZ)
{
	Chunk c = world.getChunkFromChunkCoords(worldX >> 4, worldZ >> 4); 
	return c.getHeightValue(worldX & 15, worldZ & 15);
}