package net.minecraft.block;

import com.google.common.base.Predicate;
import java.util.List;
import net.minecraft.block.material.MapColor;
import net.minecraft.block.material.Material;
import net.minecraft.block.properties.IProperty;
import net.minecraft.block.properties.PropertyBool;
import net.minecraft.block.properties.PropertyDirection;
import net.minecraft.block.state.BlockState;
import net.minecraft.block.state.IBlockState;
import net.minecraft.creativetab.CreativeTabs;
import net.minecraft.entity.Entity;
import net.minecraft.entity.EntityLivingBase;
import net.minecraft.entity.player.EntityPlayer;
import net.minecraft.inventory.Container;
import net.minecraft.inventory.InventoryHelper;
import net.minecraft.item.ItemStack;
import net.minecraft.stats.StatList;
import net.minecraft.tileentity.TileEntity;
import net.minecraft.tileentity.TileEntityHopper;
import net.minecraft.util.AxisAlignedBB;
import net.minecraft.util.BlockPos;
import net.minecraft.util.EnumFacing;
import net.minecraft.world.IBlockAccess;
import net.minecraft.world.World;

public class BlockHopper extends BlockContainer
{
    public static final PropertyDirection FACING = PropertyDirection.create("facing", new Predicate<EnumFacing>()
    {
        public boolean apply(EnumFacing p_apply_1_)
        {
            return p_apply_1_ != EnumFacing.UP;
        }
    });
    public static final PropertyBool ENABLED = PropertyBool.create("enabled");

    public BlockHopper()
    {
        super(Material.iron, MapColor.stoneColor);
        this.setDefaultState(this.blockState.getBaseState().withProperty(FACING, EnumFacing.DOWN).withProperty(ENABLED, Boolean.valueOf(true)));
        this.setCreativeTab(CreativeTabs.tabRedstone);
        this.setBlockBounds(0.0F, 0.0F, 0.0F, 1.0F, 1.0F, 1.0F);
    }

    public void setBlockBoundsBasedOnState(IBlockAccess worldIn, BlockPos pos)
    {
        this.setBlockBounds(0.0F, 0.0F, 0.0F, 1.0F, 1.0F, 1.0F);
    }

    /**
     * Add all collision boxes of this Block to the list that intersect with the given mask.
     */
    public void addCollisionBoxesToList(World worldIn, BlockPos pos, IBlockState state, AxisAlignedBB mask, List<AxisAlignedBB> list, Entity collidingEntity)
    {
        this.setBlockBounds(0.0F, 0.0F, 0.0F, 1.0F, 0.625F, 1.0F);
        super.addCollisionBoxesToList(worldIn, pos, state, mask, list, collidingEntity);
        float f = 0.125F;
        this.setBlockBounds(0.0F, 0.0F, 0.0F, f, 1.0F, 1.0F);
        super.addCollisionBoxesToList(worldIn, pos, state, mask, list, collidingEntity);
        this.setBlockBounds(0.0F, 0.0F, 0.0F, 1.0F, 1.0F, f);
        super.addCollisionBoxesToList(worldIn, pos, state, mask, list, collidingEntity);
        this.setBlockBounds(1.0F - f, 0.0F, 0.0F, 1.0F, 1.0F, 1.0F);
        super.addCollisionBoxesToList(worldIn, pos, state, mask, list, collidingEntity);
        this.setBlockBounds(0.0F, 0.0F, 1.0F - f, 1.0F, 1.0F, 1.0F);
        super.addCollisionBoxesToList(worldIn, pos, state, mask, list, collidingEntity);
        this.setBlockBounds(0.0F, 0.0F, 0.0F, 1.0F, 1.0F, 1.0F);
    }

    /**
     * Called by ItemBlocks just before a block is actually set in the world, to allow for adjustments to the
     * IBlockstate
     */
    public IBlockState onBlockPlaced(World worldIn, BlockPos pos, EnumFacing facing, float hitX, float hitY, float hitZ, int meta, EntityLivingBase placer)
    {
        EnumFacing enumfacing = facing.getOpposite();

        if (enumfacing == EnumFacing.UP)
        {
            enumfacing = EnumFacing.DOWN;
        }

        return this.getDefaultState().withProperty(FACING, enumfacing).withProperty(ENABLED, Boolean.valueOf(true));
    }

    /**
     * Returns a new instance of a block's tile entity class. Called on placing the block.
     */
    public TileEntity createNewTileEntity(World worldIn, int meta)
    {
        return new TileEntityHopper();
    }

    /**
     * Called by ItemBlocks after a block is set in the world, to allow post-place logic
     */
    public void onBlockPlacedBy(World worldIn, BlockPos pos, IBlockState state, EntityLivingBase placer, ItemStack stack)
    {
        super.onBlockPlacedBy(worldIn, pos, state, placer, stack);

        if (stack.hasDisplayName())
        {
            TileEntity tileentity = worldIn.getTileEntity(pos);

            if (tileentity instanceof TileEntityHopper)
            {
                ((TileEntityHopper)tileentity).setCustomName(stack.getDisplayName());
            }
        }
    }

    public void onBlockAdded(World worldIn, BlockPos pos, IBlockState state)
    {
        this.updateState(worldIn, pos, state);
    }

    public boolean onBlockActivated(World worldIn, BlockPos pos, IBlockState state, EntityPlayer playerIn, EnumFacing side, float hitX, float hitY, float hitZ)
    {
        if (worldIn.isRemote)
        {
            return true;
        }
        else
        {
            TileEntity tileentity = worldIn.getTileEntity(pos);

            if (tileentity instanceof TileEntityHopper)
            {
                playerIn.displayGUIChest((TileEntityHopper)tileentity);
                playerIn.triggerAchievement(StatList.field_181732_P);
            }

            return true;
        }
    }

    /**
     * Called when a neighboring block changes.
     */
    public void onNeighborBlockChange(World worldIn, BlockPos pos, IBlockState state, Block neighborBlock)
    {
        this.updateState(worldIn, pos, state);
    }

    private void updateState(World worldIn, BlockPos pos, IBlockState state)
    {
        boolean flag = !worldIn.isBlockPowered(pos);

        if (flag != ((Boolean)state.getValue(ENABLED)).booleanValue())
        {
            worldIn.setBlockState(pos, state.withProperty(ENABLED, Boolean.valueOf(flag)), 4);
        }
    }

    public void breakBlock(World worldIn, BlockPos pos, IBlockState state)
    {
        TileEntity tileentity = worldIn.getTileEntity(pos);

        if (tileentity instanceof TileEntityHopper)
        {
            InventoryHelper.dropInventoryItems(worldIn, pos, (TileEntityHopper)tileentity);
            worldIn.updateComparatorOutputLevel(pos, this);
        }

        super.breakBlock(worldIn, pos, state);
    }

    /**
     * The type of render function called. 3 for standard block models, 2 for TESR's, 1 for liquids, -1 is no render
     */
    public int getRenderType()
    {
        return 3;
    }

    public boolean isFullCube()
    {
        return false;
    }

    /**
     * Used to determine ambient occlusion and culling when rebuilding chunks for render
     */
    public boolean isOpaqueCube()
    {
        return false;
    }

    public static EnumFacing getFacing(int meta)
    {
        return EnumFacing.getFront(meta & 7);
    }

    /**
     * Get's the hopper's active status from the 8-bit of the metadata. Note that the metadata stores whether the block
     * is powered, so this returns true when that bit is 0.
     */
    public static boolean isEnabled(int meta)
    {
        return (meta & 8) != 8;
    }

    public boolean hasComparatorInputOverride()
    {
        return true;
    }

    public int getComparatorInputOverride(World worldIn, BlockPos pos)
    {
        return Container.calcRedstone(worldIn.getTileEntity(pos));
    }

    /**
     * Convert the given metadata into a BlockState for this Block
     */
    public IBlockState getStateFromMeta(int meta)
    {
        return this.getDefaultState().withProperty(FACING, getFacing(meta)).withProperty(ENABLED, Boolean.valueOf(isEnabled(meta)));
    }

    /**
     * Convert the BlockState into the correct metadata value
     */
    public int getMetaFromState(IBlockState state)
    {
        int i = 0;
        i = i | ((EnumFacing)state.getValue(FACING)).getIndex();

        if (!((Boolean)state.getValue(ENABLED)).booleanValue())
        {
            i |= 8;
        }

        return i;
    }

    protected BlockState createBlockState()
    {
        return new BlockState(this, new IProperty[] {FACING, ENABLED});
    }
}
