Examples with BlockSnapshot net.minecraftforge.common.util.BlockSnapshot used on opensource projects

Example 1 with BlockSnapshot

use of net.minecraftforge.common.util.BlockSnapshot in project MinecraftForge by MinecraftForge.

the class ForgeHooks method onPlaceItemIntoWorld.

public static EnumActionResult onPlaceItemIntoWorld(@Nonnull ItemStack itemstack, @Nonnull EntityPlayer player, @Nonnull World world, @Nonnull BlockPos pos, @Nonnull EnumFacing side, float hitX, float hitY, float hitZ, @Nonnull EnumHand hand) {
    // handle all placement events here
    int meta = itemstack.getItemDamage();
    int size = itemstack.getCount();
    NBTTagCompound nbt = null;
    if (itemstack.getTagCompound() != null) {
        nbt = (NBTTagCompound) itemstack.getTagCompound().copy();
    }
    if (// if not bucket
    !(itemstack.getItem() instanceof ItemBucket)) {
        world.captureBlockSnapshots = true;
    }
    EnumActionResult ret = itemstack.getItem().onItemUse(player, world, pos, hand, side, hitX, hitY, hitZ);
    world.captureBlockSnapshots = false;
    if (ret == EnumActionResult.SUCCESS) {
        // save new item data
        int newMeta = itemstack.getItemDamage();
        int newSize = itemstack.getCount();
        NBTTagCompound newNBT = null;
        if (itemstack.getTagCompound() != null) {
            newNBT = (NBTTagCompound) itemstack.getTagCompound().copy();
        }
        net.minecraftforge.event.world.BlockEvent.PlaceEvent placeEvent = null;
        @SuppressWarnings("unchecked") List<net.minecraftforge.common.util.BlockSnapshot> blockSnapshots = (List<BlockSnapshot>) world.capturedBlockSnapshots.clone();
        world.capturedBlockSnapshots.clear();
        // make sure to set pre-placement item data for event
        itemstack.setItemDamage(meta);
        itemstack.setCount(size);
        if (nbt != null) {
            itemstack.setTagCompound(nbt);
        }
        if (blockSnapshots.size() > 1) {
            placeEvent = ForgeEventFactory.onPlayerMultiBlockPlace(player, blockSnapshots, side, hand);
        } else if (blockSnapshots.size() == 1) {
            placeEvent = ForgeEventFactory.onPlayerBlockPlace(player, blockSnapshots.get(0), side, hand);
        }
        if (placeEvent != null && (placeEvent.isCanceled())) {
            // cancel placement
            ret = EnumActionResult.FAIL;
            // revert back all captured blocks
            for (net.minecraftforge.common.util.BlockSnapshot blocksnapshot : blockSnapshots) {
                world.restoringBlockSnapshots = true;
                blocksnapshot.restore(true, false);
                world.restoringBlockSnapshots = false;
            }
        } else {
            // Change the stack to its new content
            itemstack.setItemDamage(newMeta);
            itemstack.setCount(newSize);
            if (nbt != null) {
                itemstack.setTagCompound(newNBT);
            }
            for (BlockSnapshot snap : blockSnapshots) {
                int updateFlag = snap.getFlag();
                IBlockState oldBlock = snap.getReplacedBlock();
                IBlockState newBlock = world.getBlockState(snap.getPos());
                if (// Containers get placed automatically
                !newBlock.getBlock().hasTileEntity(newBlock)) {
                    newBlock.getBlock().onBlockAdded(world, snap.getPos(), newBlock);
                }
                world.markAndNotifyBlock(snap.getPos(), null, oldBlock, newBlock, updateFlag);
            }
            player.addStat(StatList.getObjectUseStats(itemstack.getItem()));
        }
    }
    world.capturedBlockSnapshots.clear();
    return ret;
}

Example 2 with BlockSnapshot

use of net.minecraftforge.common.util.BlockSnapshot in project MinecraftForge by MinecraftForge.

the class ForgeEventFactory method onPlayerMultiBlockPlace.

public static MultiPlaceEvent onPlayerMultiBlockPlace(EntityPlayer player, List<BlockSnapshot> blockSnapshots, EnumFacing direction, @Nullable EnumHand hand) {
    BlockSnapshot snap = blockSnapshots.get(0);
    IBlockState placedAgainst = snap.getWorld().getBlockState(snap.getPos().offset(direction.getOpposite()));
    MultiPlaceEvent event = new MultiPlaceEvent(blockSnapshots, placedAgainst, player, hand);
    MinecraftForge.EVENT_BUS.post(event);
    return event;
}

Example 3 with BlockSnapshot

use of net.minecraftforge.common.util.BlockSnapshot in project Overloaded by CJ-MC-Mods.

the class PlayerInteractionUtil method placeBlock.

public static boolean placeBlock(@Nonnull ItemStack searchStack, @Nonnull EntityPlayerMP player, @Nonnull World worldIn, @Nonnull BlockPos newPosition, @Nonnull EnumFacing facing, @Nonnull IEnergyStorage energy, float hitX, float hitY, float hitZ) {
    // Can we place a block at this Pos
    ItemBlock itemBlock = ((ItemBlock) searchStack.getItem());
    if (!worldIn.mayPlace(itemBlock.getBlock(), newPosition, false, facing, null)) {
        return false;
    }
    BlockEvent.PlaceEvent event = ForgeEventFactory.onPlayerBlockPlace(player, new BlockSnapshot(worldIn, newPosition, worldIn.getBlockState(newPosition)), facing, EnumHand.MAIN_HAND);
    if (event.isCanceled())
        return false;
    long distance = Math.round(player.getPosition().getDistance(newPosition.getX(), newPosition.getY(), newPosition.getZ()));
    long cost = OverloadedConfig.multiToolConfig.placeBaseCost + OverloadedConfig.multiToolConfig.costPerMeterAway * distance;
    if (cost > Integer.MAX_VALUE || cost < 0 || energy.getEnergyStored() < cost)
        return false;
    IItemHandler inventory = player.getCapability(ITEM_HANDLER_CAPABILITY, EnumFacing.UP);
    int foundStackSlot = findItemStack(searchStack, inventory);
    if (foundStackSlot == -1) {
        System.out.println("Stack not found");
        return false;
    }
    System.out.println("Stack found at index: " + foundStackSlot);
    ItemStack foundStack = inventory.extractItem(foundStackSlot, 1, player.capabilities.isCreativeMode);
    int i = itemBlock.getMetadata(foundStack.getMetadata());
    IBlockState iblockstate1 = itemBlock.block.getStateForPlacement(worldIn, newPosition, facing, hitX, hitY, hitZ, i, player, EnumHand.MAIN_HAND);
    if (itemBlock.placeBlockAt(foundStack, player, worldIn, newPosition, facing, hitX, hitY, hitZ, iblockstate1)) {
        SoundType soundtype = worldIn.getBlockState(newPosition).getBlock().getSoundType(worldIn.getBlockState(newPosition), worldIn, newPosition, player);
        worldIn.playSound(null, newPosition, soundtype.getPlaceSound(), SoundCategory.BLOCKS, (soundtype.getVolume() + 1.0F) / 2.0F, soundtype.getPitch() * 0.8F);
        energy.extractEnergy((int) cost, false);
        System.out.println("Place Block Successs");
        return true;
    }
    System.out.println("Place Block Failed");
    inventory.insertItem(foundStackSlot, foundStack, player.capabilities.isCreativeMode);
    return false;
}