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

public void placeBlockAtIndex(World world, int index, BlockPos posStart)
{
    if (index < this.blocks.size())
    {
        TemplateEnderUtilities.TemplateBlockInfo blockInfo = this.blocks.get(index);

        BlockPos pos = transformedBlockPos(this.placement, blockInfo.pos).add(posStart);
        IBlockState stateNew = blockInfo.blockState;

        if (this.replaceMode == ReplaceMode.EVERYTHING ||
            (this.replaceMode == ReplaceMode.WITH_NON_AIR && stateNew.getMaterial() != Material.AIR) || world.isAirBlock(pos))
        {
            Mirror mirror = this.placement.getMirror();
            Rotation rotation = this.placement.getRotation();
            stateNew = stateNew.withMirror(mirror).withRotation(rotation);

            boolean success = false;

            if (this.dropOldBlocks)
            {
                world.destroyBlock(pos, true);
            }
            /*
            else
            {
                // Replace the block temporarily so that the old TE gets cleared for sure
                BlockUtils.setBlockToAirWithoutSpillingContents(world, pos, 4);
            }
            */

            // Place the new block
            success = world.setBlockState(pos, stateNew, 2);

            if (success && blockInfo.tileEntityData != null)
            {
                TileUtils.createAndAddTileEntity(world, pos, blockInfo.tileEntityData, rotation, mirror);
            }
        }
    }
}
 

@Override
public void debugActionBlockClicked(ItemStack stack, EntityPlayer player, World world, BlockPos pos, EnumHand hand, EnumFacing side, float hitX, float hitY, float hitZ) {
    pos = pos.toImmutable();
    for (int x = -radius; x < radius; x++) {
        for (int z = -radius; z < radius; z++) {
            BlockPos loc = pos.add(x, 0, z);
            Block block = world.getBlockState(loc).getBlock();
            if (block instanceof BlockBush) {
                world.destroyBlock(loc, false);
            }
        }
    }
}
 

@Override
public boolean onBlockActivated(World worldIn, BlockPos pos, IBlockState state, EntityPlayer playerIn, EnumHand hand, EnumFacing heldItem, float side, float hitX, float hitY) {
	if (playerIn.getHeldItem(hand).getItem() instanceof ItemWrench && playerIn.isSneaking()) {
		worldIn.destroyBlock(pos, true);
		return true;
	}
	return false;
}
 

@Override
public void neighborChanged(IBlockState state, World worldIn, BlockPos pos, Block blockIn, BlockPos fromPos) {
    if (fromPos.up().equals(pos)) {
        if (worldIn.getBlockState(fromPos).getBlockFaceShape(worldIn, fromPos, EnumFacing.UP) != BlockFaceShape.SOLID) {
            worldIn.destroyBlock(pos, true);
        }
    }
}
 

/**
 * Called When an Entity Collided with the Block
 */
@Override
public void onEntityCollidedWithBlock(World worldIn, BlockPos pos, IBlockState state, Entity entityIn) {
    super.onEntityCollidedWithBlock(worldIn, pos, state, entityIn);

    if (entityIn instanceof EntityBoat) {
        worldIn.destroyBlock(new BlockPos(pos), true);
    }
}
 

@Override
public void breakBlock(@Nonnull World world, @Nonnull BlockPos pos, @Nonnull IBlockState state) {
    TileEntity tileentity = world.getTileEntity(pos);
    if (tileentity != null && tileentity instanceof IInventory) {
        Inventories.spill(world, pos, (IInventory) tileentity);
        world.removeTileEntity(pos);
    }
    world.destroyBlock(pos, true);
}
 

@Override
public void neighborChanged(IBlockState state, World world, BlockPos pos, Block blockIn, BlockPos fromPos)
{
	if(!world.isRemote && pos.up().equals(fromPos) && world.isAirBlock(pos.down()))
	{
		if(world.getBlockState(fromPos).getBlock() instanceof BlockGravity)
			world.destroyBlock(pos, true);
	}
}
 

/**
 * This method allows the user to test what Block Positions are covered by the BlockRange
 * iterator. The expected result will be the full cuboid between opposing corner positions. Also
 * remember that the BlockRange min and max positions aren't necessarily the input positions.
 *
 * Usage: Right-click on two blocks to specify the opposite corners. Some blocks should get
 * replaced with free wool. Be careful. In case of terrible bugs, might destroy or overwrite
 * unexpected locations!
 */
@Override
public void debugActionBlockClicked(ItemStack stack, EntityPlayer player, World world, BlockPos pos, EnumHand hand, EnumFacing side, float hitX, float hitY, float hitZ) {
    if (world.isRemote) {
        return;
    }
    Optional<BlockPos> startPos = getStartPos(stack);
    if (!startPos.isPresent()) {
        // This is the first click. Save 'pos' as the starting coordinate.
        setStartPos(stack, pos);
        player.sendMessage(new TextComponentString("Starting corner set: (" + pos.getX() + "," + pos.getY() + "," + pos.getZ() + ")"));
        player.sendMessage(new TextComponentString("Next right click will set the opposite/ending corner."));
        player.sendMessage(new TextComponentString("WARNING: this mode will destroy blocks, be careful."));
    } else {
        // This is the second click. Load the starting coordinate. Use 'pos' as the ending coordinate. Then fill the cuboid with wool.
        int count = 0;
        IBlockState wool = Blocks.WOOL.getDefaultState().withProperty(BlockColored.COLOR, EnumDyeColor.BLACK);
        //
        // IMPORTANT PART OF THE TEST IS BELOW
        //
        BlockRange range = new BlockRange(startPos.get(), pos);
        for (BlockPos target : range) {                         // <-- Is the iterator giving a complete set?
            IBlockState old = world.getBlockState(target);
            world.destroyBlock(target, true);
            world.setBlockState(target, wool);
            world.notifyBlockUpdate(target, old, wool, 2);
            count += 1;
        }
        //
        // IMPORTANT PART OF THE TEST IS ABOVE
        //
        player.sendMessage(new TextComponentString("Volume:     " + range.getVolume()));
        player.sendMessage(new TextComponentString("Replaced:  " + count));
        player.sendMessage(new TextComponentString("Coverage: " + (range.getVolume() == count ? "Complete" : "INCOMPLETE")));
        setStartPos(stack, null);
    }
}
 

@Override
public boolean onBlockActivated(World worldObj, int x, int y, int z, EntityPlayer entityplayer, int blockID, float offsetX, float offsetY, float offsetZ)
{

	ItemStack current = entityplayer.inventory.getCurrentItem();

	if (entityplayer.isSneaking() && current == null)
	{
		dropBlockAsItem_do(worldObj, x, y, z, getDropWithNBT(worldObj, x, y, z));
		worldObj.destroyBlock(x, y, z, false);
		return true;
	}
	if (current != null)
	{
		FluidStack liquid = FluidContainerRegistry.getFluidForFilledItem(current);
		TileEntityCertusTank tank = (TileEntityCertusTank) worldObj.getBlockTileEntity(x, y, z);

		if (liquid != null)
		{
			int amountFilled = tank.fill(ForgeDirection.UNKNOWN, liquid, true);

			if (amountFilled != 0 && !entityplayer.capabilities.isCreativeMode)
			{
				if (current.stackSize > 1)
				{
					entityplayer.inventory.mainInventory[entityplayer.inventory.currentItem].stackSize -= 1;
					entityplayer.inventory.addItemStackToInventory(current.getItem().getContainerItemStack(current));
				} else
				{
					entityplayer.inventory.mainInventory[entityplayer.inventory.currentItem] = current.getItem().getContainerItemStack(current);
				}
			}

			return true;

			// Handle empty containers
		} else
		{

			FluidStack available = tank.getTankInfo(ForgeDirection.UNKNOWN)[0].fluid;
			if (available != null)
			{
				ItemStack filled = FluidContainerRegistry.fillFluidContainer(available, current);

				liquid = FluidContainerRegistry.getFluidForFilledItem(filled);

				if (liquid != null)
				{
					if (!entityplayer.capabilities.isCreativeMode)
					{
						if (current.stackSize > 1)
						{
							if (!entityplayer.inventory.addItemStackToInventory(filled))
							{
								tank.fill(ForgeDirection.UNKNOWN, new FluidStack(liquid, liquid.amount), true);
								return false;
							} else
							{
								entityplayer.inventory.mainInventory[entityplayer.inventory.currentItem].stackSize -= 1;
							}
						} else
						{
							entityplayer.inventory.mainInventory[entityplayer.inventory.currentItem] = filled;
						}
					}
					tank.drain(ForgeDirection.UNKNOWN, liquid.amount, true);
					return true;
				}
			}
		}
	}
	return false;
}
 

/**
 * Keep ticking a continuous task that has already been started
 */
public void updateTask()
{
    super.updateTask();
    this.villager.getLookHelper().setLookPosition((double)this.destinationBlock.getX() + 0.5D, (double)(this.destinationBlock.getY() + 1), (double)this.destinationBlock.getZ() + 0.5D, 10.0F, (float)this.villager.getVerticalFaceSpeed());

    if (this.getIsAboveDestination())
    {
        World world = this.villager.world;
        BlockPos blockpos = this.destinationBlock.up();
        IBlockState iblockstate = world.getBlockState(blockpos);
        Block block = iblockstate.getBlock();

        if (this.currentTask == 0 && block instanceof BlockCrops && ((BlockCrops)block).isMaxAge(iblockstate))
        {
            world.destroyBlock(blockpos, true);
        }
        else if (this.currentTask == 1 && iblockstate.getMaterial() == Material.AIR)
        {
            InventoryBasic inventorybasic = this.villager.getVillagerInventory();

            for (int i = 0; i < inventorybasic.getSizeInventory(); ++i)
            {
                ItemStack itemstack = inventorybasic.getStackInSlot(i);
                boolean flag = false;

                if (!itemstack.isEmpty())
                {
                    if (itemstack.getItem() == Items.WHEAT_SEEDS)
                    {
                        world.setBlockState(blockpos, Blocks.WHEAT.getDefaultState(), 3);
                        flag = true;
                    }
                    else if (itemstack.getItem() == Items.POTATO)
                    {
                        world.setBlockState(blockpos, Blocks.POTATOES.getDefaultState(), 3);
                        flag = true;
                    }
                    else if (itemstack.getItem() == Items.CARROT)
                    {
                        world.setBlockState(blockpos, Blocks.CARROTS.getDefaultState(), 3);
                        flag = true;
                    }
                    else if (itemstack.getItem() == Items.BEETROOT_SEEDS)
                    {
                        world.setBlockState(blockpos, Blocks.BEETROOTS.getDefaultState(), 3);
                        flag = true;
                    }
                    else if (itemstack.getItem() instanceof net.minecraftforge.common.IPlantable) {
                        if(((net.minecraftforge.common.IPlantable)itemstack.getItem()).getPlantType(world,blockpos) == net.minecraftforge.common.EnumPlantType.Crop) {
                            world.setBlockState(blockpos, ((net.minecraftforge.common.IPlantable)itemstack.getItem()).getPlant(world,blockpos),3);
                            flag = true;
                        }
                    }
                }

                if (flag)
                {
                    itemstack.shrink(1);

                    if (itemstack.isEmpty())
                    {
                        inventorybasic.setInventorySlotContents(i, ItemStack.EMPTY);
                    }

                    break;
                }
            }
        }

        this.currentTask = -1;
        this.runDelay = 10;
    }
}
 

protected void breakBlockIfSideNotSolid(World world, BlockPos blockPos, EnumFacing direction) {
	if (!isNeighborBlockSolid(world, blockPos, direction)) {
		world.destroyBlock(blockPos, true);
	}
}
 

/**
 *  Attempts to place one fluid block in the world, identified by the given FluidStack
 */
public boolean tryPlaceFluidBlock(World world, BlockPos pos, FluidStack fluidStack)
{
    if (fluidStack == null || fluidStack.getFluid() == null || fluidStack.getFluid().canBePlacedInWorld() == false)
    {
        return false;
    }

    Block block = fluidStack.getFluid().getBlock();

    // We need to convert water and lava to the flowing variant, otherwise we get non-flowing source blocks
    if (block == Blocks.WATER)
    {
        block = Blocks.FLOWING_WATER;
    }
    else if (block == Blocks.LAVA)
    {
        block = Blocks.FLOWING_LAVA;
    }

    IBlockState state = world.getBlockState(pos);
    Material material = state.getMaterial();

    if (world.isAirBlock(pos) == false && material.isSolid())
    {
        return false;
    }

    if (world.provider.doesWaterVaporize() && block == Blocks.FLOWING_WATER)
    {
        float x = pos.getX();
        float y = pos.getY();
        float z = pos.getZ();

        world.playSound(null, x + 0.5F, y + 0.5F, z + 0.5F, SoundEvents.BLOCK_FIRE_EXTINGUISH,
                SoundCategory.BLOCKS, 0.5F, 2.6F + (world.rand.nextFloat() - world.rand.nextFloat()) * 0.8F);

        for (int l = 0; l < 8; ++l)
        {
            world.spawnParticle(EnumParticleTypes.SMOKE_LARGE, x + Math.random(), y + Math.random(), z + Math.random(), 0.0D, 0.0D, 0.0D);
        }
    }
    else
    {
        if (world.isRemote == false && material.isSolid() == false && material.isLiquid() == false)
        {
            // Set a replaceable block to air, and drop the items
            world.destroyBlock(pos, true);
        }

        world.setBlockState(pos, block.getDefaultState(), 3);
        SoundEvent soundevent = block == Blocks.FLOWING_LAVA ? SoundEvents.ITEM_BUCKET_EMPTY_LAVA : SoundEvents.ITEM_BUCKET_EMPTY;
        world.playSound(null, pos, soundevent, SoundCategory.BLOCKS, 1.0f, 1.0f);
    }

    return true;
}
 

@Override
public EnumActionResult onItemUse(EntityPlayer player, World world, BlockPos pos, EnumHand hand, EnumFacing side, float hitX, float hitY, float hitZ)
{
    // If the player is standing inside a portal, then we try to activate the teleportation in onItemRightClick()
    if (EntityUtils.isEntityCollidingWithBlockSpace(world, player, Blocks.PORTAL))
    {
        return EnumActionResult.PASS;
    }

    Block block = world.getBlockState(pos).getBlock();

    // When right clicking on a Nether Portal block, shut down the portal
    if (block == Blocks.PORTAL)
    {
        if (world.isRemote == false && world.isBlockModifiable(player, pos))
        {
            world.destroyBlock(pos, false);
        }

        return EnumActionResult.SUCCESS;
    }

    if (world.isRemote)
    {
        return EnumActionResult.SUCCESS;
    }

    ItemStack stack = player.getHeldItem(hand);

    // When right clicking on Obsidian, try to light a Nether Portal
    if (block == Blocks.OBSIDIAN && world.isAirBlock(pos.offset(side)) && world.isBlockModifiable(player, pos.offset(side)) &&
        UtilItemModular.useEnderCharge(stack, ENDER_CHARGE_COST_PORTAL_ACTIVATION, true) &&
        Blocks.PORTAL.trySpawnPortal(world, pos.offset(side)))
    {
        UtilItemModular.useEnderCharge(stack, ENDER_CHARGE_COST_PORTAL_ACTIVATION, false);
        world.playSound(null, pos.getX(), pos.getY(), pos.getZ(), SoundEvents.ENTITY_BLAZE_SHOOT, SoundCategory.MASTER, 0.8f, 1.0f);

        return EnumActionResult.SUCCESS;
    }

    return EnumActionResult.PASS;
}
 

@Override
public void neighborChanged(IBlockState state, World worldIn, BlockPos pos, Block blockIn, BlockPos fromPos) {
    if (!this.canBlockStay(worldIn, pos)) {
        worldIn.destroyBlock(pos, true);
    }
}
 

@Override
public void neighborChanged(IBlockState state, World worldIn, BlockPos pos, Block blockIn, BlockPos fromPos) {
    if (!this.canBlockStay(worldIn, pos)) {
        worldIn.destroyBlock(pos, true);
    }
}
 

protected void checkAndDropBlock(World worldIn, BlockPos pos, IBlockState state) {
	if (!this.canBlockStay(worldIn, pos)) {
		worldIn.destroyBlock(pos, true);
	}
}
 

@Override
public void neighborChanged(IBlockState state, World worldIn, BlockPos pos, Block blockIn, BlockPos fromPos) {
    if (!this.canBlockStay(worldIn, pos)) {
        worldIn.destroyBlock(pos, true);
    }
}
 

protected void checkAndDropBlock(World worldIn, BlockPos pos, IBlockState state) {
	if (!this.canBlockStay(worldIn, pos)) {
		worldIn.destroyBlock(pos, true);
	}
}
 

protected void checkAndDropBlock(World worldIn, BlockPos pos, IBlockState state) {
    if (!this.canBlockStay(worldIn, pos)) {
        worldIn.destroyBlock(pos, true);
    }
}