BlockItemPaintedSlab.java

package crazypants.enderio.machine.painter;

import java.util.List;

import net.minecraft.block.Block;
import net.minecraft.entity.player.EntityPlayer;
import net.minecraft.item.ItemSlab;
import net.minecraft.item.ItemStack;
import net.minecraft.tileentity.TileEntity;
import net.minecraft.world.World;
import cpw.mods.fml.relauncher.Side;
import cpw.mods.fml.relauncher.SideOnly;
import crazypants.enderio.EnderIO;
import crazypants.enderio.ModObject;

public class BlockItemPaintedSlab extends ItemSlab {

  private boolean isFullBlock;

  public BlockItemPaintedSlab(Block blk) {
    super(blk, EnderIO.blockPaintedSlab, EnderIO.blockPaintedDoubleSlab, blk == EnderIO.blockPaintedDoubleSlab);
    setHasSubtypes(true);
    isFullBlock = blk == EnderIO.blockPaintedDoubleSlab;
    setUnlocalizedName(ModObject.blockPaintedSlab.unlocalisedName);
  }

  @Override
  public int getMetadata(int par1) {
    return par1;
  }

  @Override
  @SideOnly(Side.CLIENT)
  public void addInformation(ItemStack item, EntityPlayer par2EntityPlayer, List list, boolean par4) {
    super.addInformation(item, par2EntityPlayer, list, par4);
    list.add(PainterUtil.getTooltTipText(item));
  }

  @Override
  public boolean onItemUse(ItemStack par1ItemStack, EntityPlayer player, World world, int x, int y, int z, int side, float par8,
      float par9, float par10) {

    if(this.isFullBlock) {
      return super.onItemUse(par1ItemStack, player, world, x, y, z, side, par8, par9, par10);
    } else if(par1ItemStack.stackSize == 0) {
      return false;
    } else if(!player.canPlayerEdit(x, y, z, side, par1ItemStack)) {
      return false;
    } else {
      Block i1 = world.getBlock(x, y, z);
      int j1 = world.getBlockMetadata(x, y, z);
      int k1 = j1 & 7;
      boolean flag = (j1 & 8) != 0;

      if((side == 1 && !flag || side == 0 && flag) && i1 == EnderIO.blockPaintedSlab && k1 == par1ItemStack.getItemDamage()) {

        if(world.checkNoEntityCollision(EnderIO.blockPaintedDoubleSlab.getCollisionBoundingBoxFromPool(world, x, y, z))) {

          TileEntity te = world.getTileEntity(x, y, z);
          if(te instanceof TileEntityPaintedSlab) {
            ((TileEntityPaintedSlab) te).isConvertingToFullBlock = true;
          }

          if(world.setBlock(x, y, z, EnderIO.blockPaintedDoubleSlab, k1, 3)) {

            te = world.getTileEntity(x, y, z);
            if(te instanceof TileEntityPaintedBlock) {

              Block b = PainterUtil.getSourceBlock(par1ItemStack);
              TileEntityPaintedBlock tef = (TileEntityPaintedBlock) te;
              tef.setSourceBlock(b);
              tef.setSourceBlockMetadata(PainterUtil.getSourceBlockMetadata(par1ItemStack));
              world.markBlockForUpdate(x, y, z);
            }

            world.playSoundEffect(x + 0.5F, y + 0.5F, z + 0.5F,
                EnderIO.blockPaintedDoubleSlab.stepSound.getStepResourcePath(), (EnderIO.blockPaintedDoubleSlab.stepSound.getVolume() + 1.0F) / 2.0F,
                EnderIO.blockPaintedDoubleSlab.stepSound.getPitch() * 0.8F);
            --par1ItemStack.stackSize;
          } else {
            if(te instanceof TileEntityPaintedSlab) {
              ((TileEntityPaintedSlab) te).isConvertingToFullBlock = false;
            }

          }
        }

        return true;
      } else {
        if(mergeWithTopSlab(par1ItemStack, player, world, x, y, z, side)) {
          return true;
        }
        return super.onItemUse(par1ItemStack, player, world, x, y, z, side, par8, par9, par10);
      }
    }
  }

  private boolean mergeWithTopSlab(ItemStack par1ItemStack, EntityPlayer par2EntityPlayer, World world, int x, int y, int z, int side) {
    if(side == 0) {
      --y;
    } else if(side == 1) {
      ++y;
    } else if(side == 2) {
      --z;
    } else if(side == 3) {
      ++z;
    } else if(side == 4) {
      --x;
    } else if(side == 5) {
      ++x;
    }

    Block i1 = world.getBlock(x, y, z);
    int j1 = world.getBlockMetadata(x, y, z);
    int k1 = j1 & 7;

    if(i1 == EnderIO.blockPaintedSlab && k1 == par1ItemStack.getItemDamage()) {

      TileEntity te = world.getTileEntity(x, y, z);
      if(te instanceof TileEntityPaintedSlab) {
        ((TileEntityPaintedSlab) te).isConvertingToFullBlock = true;
      }

      if(world.checkNoEntityCollision(EnderIO.blockPaintedDoubleSlab.getCollisionBoundingBoxFromPool(world, x, y, z))
          && world.setBlock(x, y, z, EnderIO.blockPaintedDoubleSlab, k1, 3)) {

        te = world.getTileEntity(x, y, z);
        if(te instanceof TileEntityPaintedBlock) {

          Block b = PainterUtil.getSourceBlock(par1ItemStack);
          TileEntityPaintedBlock tef = (TileEntityPaintedBlock) te;
          tef.setSourceBlock(b);
          tef.setSourceBlockMetadata(PainterUtil.getSourceBlockMetadata(par1ItemStack));
          world.markBlockForUpdate(x, y, z);
        }

        world.playSoundEffect(x + 0.5F, y + 0.5F, z + 0.5F,
            EnderIO.blockPaintedDoubleSlab.stepSound.getStepResourcePath(), (EnderIO.blockPaintedDoubleSlab.stepSound.getVolume() + 1.0F) / 2.0F,
            EnderIO.blockPaintedDoubleSlab.stepSound.getPitch() * 0.8F);
        --par1ItemStack.stackSize;

      } else {
        if(te instanceof TileEntityPaintedSlab) {
          ((TileEntityPaintedSlab) te).isConvertingToFullBlock = false;
        }

      }
      return true;

    } else {
      return false;
    }
  }

}