Java Code Examples for net.minecraft.world.World.getBlock()

public static void generateFile(World world, int x, int y, int z, String path) {
	try {
		BufferedWriter bw = new BufferedWriter(new FileWriter(new File(path)));

		for (int i = 0; i < 58; i++)
			for (int j = 0; j < 31 - 9; j++)
				for (int k = 0; k < 58; k++) {
					Block b = world.getBlock(x + i, y + j, z + k);
					int meta = world.getBlockMetadata(x + i, y + j, z + k);

					String s = "(" + i + ", " + j + ", " + k + ") - ";
					if (b == ModBlocks.prismarine)
						s += meta;
					else if (b == ModBlocks.sea_lantern)
						s += 3;
					else if (b == Blocks.gold_block)
						s += 4;
					else if (b == Blocks.sponge)
						s += 5;
					else if (b == Blocks.stained_glass)
						s += 6;
					else
						s = null;

					if (s != null) {
						bw.write(s);
						bw.newLine();
					}
				}

		bw.close();
	} catch (IOException e) {
		e.printStackTrace();
	}
}
 

@Override
public void updateTick(World world, int x, int y, int z, Random rand) {
	if (world.isRemote)
		return;

	int surroundingBlockCount = 0;
	for (ForgeDirection dir : ForgeDirection.VALID_DIRECTIONS) {
		Block block = world.getBlock(x + dir.offsetX, y + dir.offsetY, z + dir.offsetZ);
		if (block == this || block == Blocks.ice || block == Blocks.packed_ice)
			if (++surroundingBlockCount >= 4)
				break;
	}

	if (surroundingBlockCount < 4 || rand.nextInt(100) <= 33) {
		int meta = world.getBlockMetadata(x, y, z);
		if (meta < 3)
			world.setBlockMetadataWithNotify(x, y, z, meta + 1, 2);
		else
			world.setBlock(x, y, z, Blocks.water);
	}

	world.scheduleBlockUpdate(x, y, z, this, 40 + rand.nextInt(40));
}
 

@Override
public void updateTask() {
	super.updateTask();
	getLookHelper().setLookPosition(destinationBlock.getX() + 0.5D, destinationBlock.getY() + 1, destinationBlock.getZ() + 0.5D, 10.0F, getVerticalFaceSpeed());

	if (getIsAboveDestination()) {
		World world = worldObj;
		BlockPos blockpos = destinationBlock.up();
		Block block = world.getBlock(blockpos.getX(), blockpos.getY(), blockpos.getZ());
		int meta = world.getBlockMetadata(blockpos.getX(), blockpos.getY(), blockpos.getZ());

		if (field_179499_e && block instanceof BlockCarrot && meta >= 7) {
			world.func_147480_a(blockpos.getX(), blockpos.getY(), blockpos.getZ(), false);
			carrotTicks = 100;
		}

		field_179499_e = false;
		runDelay = 10;
	}
}
 

@SubscribeEvent
public void eventBreakEvent(BlockEvent.BreakEvent event) {
	World world = event.world;
	int x = event.x;
	int y = event.y;
	int z = event.z;
	EntityPlayer player = event.getPlayer();

	if (player != null && player.getHeldItem() != null && player.getHeldItem().getItem() == Items.stick) {
		if (TOConfig.debugEnable && TOConfig.debugRemover && !world.isRemote
				&& player.capabilities.isCreativeMode) {
			int radius = TOConfig.debugRemoverScannerRadius;
			for (int xx = x - radius; xx < x + radius; xx++)
				for (int zz = z - radius; zz < z + radius; zz++)
					for (int yy = 0; yy < 257; yy++)
						if (!(world.getBlock(xx, yy, zz) instanceof BlockInfusedBlockOre))
							world.setBlock(xx, yy, zz, Blocks.air, 0, 2);
			String text = "[DEBUG " + ThaumOresMod.NAME + "] Removed blocks at " + x + ";" + z + " with radius "
					+ radius;
			player.addChatMessage(new ChatComponentText(text));
			ThaumOresMod.log.info(text);
		}
	}
}
 

private void removeStone(World world, Random random, int x, int z) {
	int id = world.getBiomeGenForCoords(x, z).biomeID;
	Block block = Blocks.stone;

	if(id == 35 || id == 163 || id == 29 || id == 157 || id == 6 || id == 134 || id == 160 || id == 161 || id == 32 || id == 33) {
		block = Granite;
	} else if(id == 36 || id == 164 || id == 16 || id == 14 || id == 15 || id == 0 || id == 24 || id == 26) {
		block = Basalt;
	} else if(id == 2 || id == 1 || id == 7 || id == 129 || id == 5 || id == 30 || id == 11) {
		block = Limestone;
	} else if(id == 130 || id == 17 || id == 21 || id == 149 || id == 23 || id == 151 || id == 22 || id == 133 || id == 155 || id == 19 || id == 31 || id == 158 || id == 27) {
		block = Shale;
	} else if(id == 37 || id == 165 || id == 132 || id == 4 || id == 3 || id == 131 || id == 34 || id == 162 || id == 28 || id == 156 || id == 25) {
		block = Slate;
	} else if(id == 39 || id == 167 || id == 38 || id == 166 || id == 18 || id == 13 || id == 12 || id == 140) {
		block = Gneiss;
	} else {
		FMLLog.log(Level.ERROR, Technical.modName + ": TechnicalWorldGenerator could not find stone type for " + world.getBiomeGenForCoords(x, z).biomeName + " (id " + id + "). Please report this to the mod author(s)");
	}

	for(int y = 0; y < world.getActualHeight(); y++) {
		if(world.getBlock(x, y, z) == Blocks.stone)
			world.setBlock(x, y, z, block, 0, 0);
	}
}
 

@Override
public boolean onItemUse(ItemStack stack, EntityPlayer player, World world, int x, int y, int z, int side, float hitX, float hitY, float hitZ) {
	if (side != 1)
		return false;

	Block block = world.getBlock(x, y, z);
	if (block == Blocks.obsidian || block == Blocks.bedrock)
		if (world.isAirBlock(x, y + 1, z)) {
			if (!world.isRemote) {
				EntityPlacedEndCrystal endCrystal = new EntityPlacedEndCrystal(world);
				endCrystal.setPosition(x + 0.5, y, z + 0.5);
				endCrystal.setBlockPos(x, y, z);

				world.spawnEntityInWorld(endCrystal);
				if (!player.capabilities.isCreativeMode)
					stack.stackSize--;
			}
			return true;
		}

	return false;
}
 

public static boolean hasValidMaterial(World world, int x, int y, int z)
{
	Block block = world.getBlock(x, y, z);
	
	// Is the attached block a valid material?
	if (block.getMaterial() == Material.clay) { return true; }
	else if (block.getMaterial() == Material.cloth) { return true; }
	else if (block.getMaterial() == Material.grass) { return true; }
	else if (block.getMaterial() == Material.ground) { return true; }
	else if (block.getMaterial() == Material.iron) { return true; }
	else if (block.getMaterial() == Material.piston) { return true; }
	else if (block.getMaterial() == Material.rock) { return true; }
	else if (block.getMaterial() == Material.sand) { return true; }
	else if (block.getMaterial() == Material.wood) { return true; }
	else if (block.getMaterial() == Material.craftedSnow) { return true; }
	else if (block.getMaterial() == Material.leaves) { return true; }
	
	// No?
	return false;
}
 

public boolean generate(World world, Random random, int x, int y, int z, Block flower) {
	Block b = world.getBlock(x, y-1, z);
	if (b == Blocks.grass || b == Blocks.dirt) {
		world.setBlock(x, y, z, flower);
		if (flower instanceof BlockIndicatorFlowerDouble && y < 255) {
			world.setBlock(x, y+1, z, flower, 1, 1);
		}
		return true;
	}
	return false;
}
 

@Override
public boolean onItemUse(ItemStack stack, EntityPlayer player, World world, int x, int y, int z, int side, float hitx, float hity, float hitz) {
	Block b = world.getBlock(x, y, z);
	if (b.equals(Blocks.dirt) || b.equals(Blocks.gravel)) {
		super.doProspect(player, world, x, y, z);
		return true;
	}
	return false;
}
 

public static void onPlayerInteract(PlayerInteractEvent event) {
	if (!EtFuturum.enableAnvil)
		return;

	World world = event.world;
	int x = event.x;
	int y = event.y;
	int z = event.z;

	if (world == null || world.isRemote)
		return;
	if (world.getBlock(x, y, z) == Blocks.anvil)
		world.setBlock(x, y, z, ModBlocks.anvil, world.getBlockMetadata(x, y, z), 3);
}
 

public static void onHoeEvent(UseHoeEvent event) {
	if (EtFuturum.enableCoarseDirt) {
		World world = event.world;
		if (world.getBlock(event.x, event.y, event.z) == ModBlocks.coarse_dirt) {
			world.setBlock(event.x, event.y, event.z, Blocks.dirt);
			world.playSoundEffect(event.x + 0.5F, event.y + 0.5F, event.z + 0.5F, Block.soundTypeGravel.getStepResourcePath(), 1.0F, 0.8F);
			event.setResult(Result.ALLOW);
		}
	}
}
 

@Override
public void onNeighborBlockChange(World world, int x, int y, int z, Block b) {
	if (isTop(world, x, y, z)) {
		super.onNeighborBlockChange(world, x, y, z, b);
	} else if (world.getBlock(x, y+1, z) != this || world.getBlockMetadata(x, y+1, z) != 1) {
		world.setBlockToAir(x, y, z);
	}
}
 

@Override
public boolean executeAction(World world, ItemStack wand, EntityPlayer player, int x, int y, int z, int side,
		int event) {
	int md = world.getBlockMetadata(x, y, z);
	BlockInfusedBlockOre block = (BlockInfusedBlockOre) world.getBlock(x, y, z);
	if (world.isRemote) {
		for (int i = 0; i < 10; i++)
			if (md < 6)
				UtilsFX.infusedStoneSparkle(world, x, y, z, md + 1);
		return false;
	} else {
		ForgeDirection dir = ForgeDirection.getOrientation(side);
		int iX = dir.equals(ForgeDirection.EAST) ? x + 1 : dir.equals(ForgeDirection.WEST) ? x - 1 : x;
		int iY = dir.equals(ForgeDirection.UP) ? y + 1 : dir.equals(ForgeDirection.DOWN) ? y - 1 : y;
		int iZ = dir.equals(ForgeDirection.SOUTH) ? z + 1 : dir.equals(ForgeDirection.NORTH) ? z - 1 : z;
		for (ItemStack item : block.getDropsWand(world, x, y, z, md, player.isSneaking())) {
			float f = 0.7F;
			double d0 = (double) (world.rand.nextFloat() * f) + (double) (1.0F - f) * 0.5D;
			double d1 = (double) (world.rand.nextFloat() * f) + (double) (1.0F - f) * 0.5D;
			double d2 = (double) (world.rand.nextFloat() * f) + (double) (1.0F - f) * 0.5D;
			EntityItem entityitem = new EntityItem(world, (double) iX + d0, (double) iY + d1, (double) iZ + d2,
					item);
			entityitem.delayBeforeCanPickup = 10;
			world.spawnEntityInWorld(entityitem);

		}
		world.setBlock(x, y, z, block.getBaseBlock(), block.getBaseMeta(), 2);
		return true;
	}
}
 

@Override
public boolean onItemUse(ItemStack stack, EntityPlayer player, World world, int x, int y, int z, int side, float hitX, float hitY, float hitZ) {
	if (world.isRemote)
		return true;
	else {
		Block block = world.getBlock(x, y, z);
		x += Facing.offsetsXForSide[side];
		y += Facing.offsetsYForSide[side];
		z += Facing.offsetsZForSide[side];
		double d0 = 0.0D;

		if (side == 1 && block.getRenderType() == 11)
			d0 = 0.5D;

		Entity entity = spawnEntity(world, stack.getItemDamage(), x + 0.5D, y + d0, z + 0.5D);

		if (entity != null) {
			if (entity instanceof EntityLivingBase && stack.hasDisplayName())
				((EntityLiving) entity).setCustomNameTag(stack.getDisplayName());

			if (!player.capabilities.isCreativeMode)
				stack.stackSize--;
		}

		return true;
	}
}
 

@Override
public ItemStack onItemRightClick(ItemStack stack, World world, EntityPlayer player) {
	if (world.isRemote)
		return stack;
	else {
		MovingObjectPosition movingobjectposition = getMovingObjectPositionFromPlayer(world, player, true);

		if (movingobjectposition == null)
			return stack;
		else {
			if (movingobjectposition.typeOfHit == MovingObjectPosition.MovingObjectType.BLOCK) {
				int i = movingobjectposition.blockX;
				int j = movingobjectposition.blockY;
				int k = movingobjectposition.blockZ;

				if (!world.canMineBlock(player, i, j, k))
					return stack;

				if (!player.canPlayerEdit(i, j, k, movingobjectposition.sideHit, stack))
					return stack;

				if (world.getBlock(i, j, k) instanceof BlockLiquid) {
					Entity entity = spawnEntity(world, stack.getItemDamage(), i, j, k);

					if (entity != null) {
						if (entity instanceof EntityLivingBase && stack.hasDisplayName())
							((EntityLiving) entity).setCustomNameTag(stack.getDisplayName());

						if (!player.capabilities.isCreativeMode)
							stack.stackSize--;
					}
				}
			}

			return stack;
		}
	}
}
 

@Override
@SideOnly(Side.CLIENT)
public boolean func_150936_a(World world, int x, int y, int z, int side, EntityPlayer player, ItemStack stack) {
	int i1 = x;
	int j1 = y;
	int k1 = z;
	Block block = world.getBlock(x, y, z);
	int meta = world.getBlockMetadata(x, y, z);

	if (block == field_150939_a && meta == 2)
		return true;
	else {
		if (side == 0)
			y--;
		if (side == 1)
			y++;
		if (side == 2)
			z--;
		if (side == 3)
			z++;
		if (side == 4)
			x--;
		if (side == 5)
			x++;

		Block block1 = world.getBlock(x, y, z);
		return block1 == field_150939_a ? true : super.func_150936_a(world, i1, j1, k1, side, player, stack);
	}
}
 

private boolean func_150946_a(ItemStack stack, EntityPlayer player, World world, int x, int y, int z, int side) {
	if (side == 0)
		y--;
	if (side == 1)
		y++;
	if (side == 2)
		z--;
	if (side == 3)
		z++;
	if (side == 4)
		x--;
	if (side == 5)
		x++;

	Block block = world.getBlock(x, y, z);
	int meta = world.getBlockMetadata(x, y, z);

	if (block == field_150939_a && meta != 2) {
		if (world.checkNoEntityCollision(field_150939_a.getCollisionBoundingBoxFromPool(world, x, y, z)) && world.setBlockMetadataWithNotify(x, y, z, 2, 3)) {
			world.playSoundEffect(x + 0.5F, y + 0.5F, z + 0.5F, field_150939_a.stepSound.func_150496_b(), (field_150939_a.stepSound.getVolume() + 1.0F) / 2.0F, field_150939_a.stepSound.getPitch() * 0.8F);
			stack.stackSize--;
		}

		return true;
	} else
		return false;
}
 

protected void direction(World world, int x, int y, int z) {
	if (!world.isRemote) {
		Block direction0 = world.getBlock(x, y, z - 1);
		Block direction1 = world.getBlock(x, y, z + 1);
		Block direction2 = world.getBlock(x - 1, y, z);
		Block direction3 = world.getBlock(x + 1, y, z);
		byte b = 3;

		if (direction0.func_149730_j() && !direction0.func_149730_j()) {
			b = 3;
		}

		if (direction1.func_149730_j() && !direction1.func_149730_j()) {
			b = 2;
		}

		if (direction2.func_149730_j() && !direction2.func_149730_j()) {
			b = 5;
		}

		if (direction3.func_149730_j() && !direction3.func_149730_j()) {
			b = 4;
		}

		world.setBlockMetadataWithNotify(x, y, z, b, 2);
	}
}
 

@Override
public void updateTick(World world, int x, int y, int z, Random rand) {
	if (world.isRemote)
		return;
	int meta = world.getBlockMetadata(x, y, z);
	if (meta >= 5)
		return;

	if (!canBlockStay(world, x, y, z))
		world.func_147480_a(x, y, z, true);
	else if (world.isAirBlock(x, y + 1, z)) {
		boolean canGrowUp = false;
		boolean isSegmentOnEndstone = false;
		Block lowerBlock = world.getBlock(x, y - 1, z);
		if (lowerBlock == Blocks.end_stone)
			canGrowUp = true;
		else if (lowerBlock == ModBlocks.chorus_plant) {
			int par8 = 1;
			int height;
			for (height = 0; height < 4; height++) {
				Block b = world.getBlock(x, y - (par8 + 1), z);
				if (b != ModBlocks.chorus_plant) {
					if (b == Blocks.end_stone)
						isSegmentOnEndstone = true;
					break;
				}
				par8++;
			}

			height = 4;
			if (isSegmentOnEndstone)
				height++;

			if (par8 < 2 || rand.nextInt(height) >= par8)
				canGrowUp = true;
		} else if (lowerBlock.isAir(world, x, y - 1, z))
			canGrowUp = true;

		if (canGrowUp && isSpaceAroundFree(world, x, y + 1, z, ForgeDirection.DOWN) && world.isAirBlock(x, y + 2, z)) {
			world.setBlock(x, y, z, ModBlocks.chorus_plant);
			world.setBlock(x, y + 1, z, this, meta, 3);
		} else if (meta < 4) {
			int tries = rand.nextInt(4);
			boolean grew = false;
			if (isSegmentOnEndstone)
				tries++;
			for (int i = 0; i < tries; i++) {
				ForgeDirection dir = ForgeDirection.VALID_DIRECTIONS[rand.nextInt(ForgeDirection.VALID_DIRECTIONS.length)];
				int xx = x + dir.offsetX;
				int yy = y + dir.offsetY;
				int zz = z + dir.offsetZ;
				if (world.isAirBlock(xx, yy, zz) && isSpaceAroundFree(world, xx, yy, zz, dir.getOpposite())) {
					world.setBlock(xx, yy, zz, this, meta + 1, 3);
					grew = true;
				}
			}
			if (grew)
				world.setBlock(x, y, z, ModBlocks.chorus_plant, 0, 3);
			else
				world.setBlock(x, y, z, this, 5, 3);
		} else if (meta == 4)
			world.setBlock(x, y, z, this, 5, 3);
	}
}
 

void doMining(World world, EntityPlayerMP player, int x, int y, int z)	// Calling this 27 times, to blast mine a 3x3x3 area
{
	Block toBeBroken = world.getBlock(x, y, z);
	int meta = world.getBlockMetadata(x, y, z);

	if (toBeBroken.getBlockHardness(world, x, y, z) == -1) { return; }	// Unbreakable

	if (toBeBroken.getHarvestLevel(meta) > 1) { return; }
	if (toBeBroken.getMaterial() == Material.water) { return; }
	if (toBeBroken.getMaterial() == Material.lava) { return; }
	if (toBeBroken.getMaterial() == Material.air) { return; }
	if (toBeBroken.getMaterial() == Material.portal) { return; }

	// Need to do checks here against invalid blocks
	if (toBeBroken == Blocks.water) { return; }
	if (toBeBroken == Blocks.flowing_water) { return; }
	if (toBeBroken == Blocks.lava) { return; }
	if (toBeBroken == Blocks.flowing_lava) { return; }
	if (toBeBroken == Blocks.obsidian) { return; }
	if (toBeBroken == Blocks.mob_spawner) { return; }

	// Crashing blocks: Redstone Lamp, Extended Piston
	// They're likely trying to drop things that cannot be dropped (active states of themselves)

	//WorldSettings.GameType gametype = WorldSettings.GameType.getByName("survival");
	WorldSettings.GameType gametype = world.getWorldInfo().getGameType();
	BlockEvent.BreakEvent event = ForgeHooks.onBlockBreakEvent(world, gametype, player, x, y, z);

	if (event.isCanceled()) { return; }	// Not allowed to do this

	//toBeBroken.dropBlockAsItem(world, x, x, z, meta, 0);	// The last one is Fortune

	boolean removalSuccess = world.setBlockToAir(x, y, z);
	if (removalSuccess) { toBeBroken.onBlockDestroyedByPlayer(world, x, y, z, meta); }

	Item preBlockItem = toBeBroken.getItemDropped(meta, player.getRNG(), 0);

	if (preBlockItem == null) { return; }	// Item doesn't exist

	ItemStack blockItem = new ItemStack(preBlockItem);

	blockItem.setItemDamage(meta);

	EntityItem entityItem = new EntityItem(world, x, y + 0.5d, z, blockItem);
	entityItem.delayBeforeCanPickup = 10;

	world.spawnEntityInWorld(entityItem);
}