Method checkForDrop

src/main/java/net/minecraft/block/BlockTorch.java:163–179

(World worldIn, BlockPos pos, IBlockState state)

    }

    protected boolean checkForDrop(World worldIn, BlockPos pos, IBlockState state)
    {
        if (state.getBlock() == this && this.canPlaceAt(worldIn, pos, state.getValue(FACING)))
        {
            return true;
        }
        else
        {
            if (worldIn.getBlockState(pos).getBlock() == this)
            {
                this.dropBlockAsItem(worldIn, pos, state, 0);
                worldIn.setBlockToAir(pos);
            }

            return false;
        }
    }

    /**
     * Ray traces through the blocks collision from start vector to end vector returning a ray trace hit.