package net.minecraft.block;

import java.util.List;
import java.util.Random;
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.entity.Entity;
import net.minecraft.entity.EntityLivingBase;
import net.minecraft.item.Item;
import net.minecraft.util.AxisAlignedBB;
import net.minecraft.util.BlockPos;
import net.minecraft.util.EnumFacing;
import net.minecraft.world.World;

public class BlockEndPortalFrame extends Block
{
    public static final PropertyDirection FACING = PropertyDirection.create("facing", EnumFacing.Plane.HORIZONTAL);
    public static final PropertyBool EYE = PropertyBool.create("eye");

    public BlockEndPortalFrame()
    {
        super(Material.rock);
        this.setDefaultState(this.blockState.getBaseState().withProperty(FACING, EnumFacing.NORTH).withProperty(EYE, Boolean.valueOf(false)));
    }

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

    /**
     * Sets the block's bounds for rendering it as an item
     */
    public void setBlockBoundsForItemRender()
    {
        this.setBlockBounds(0.0F, 0.0F, 0.0F, 1.0F, 0.8125F, 1.0F);
    }

    /**
     * Add all collision boxes of this Block to the list that intersect with the given mask.
     *  
     * @param collidingEntity the Entity colliding with this Block
     */
    public void addCollisionBoxesToList(World worldIn, BlockPos pos, IBlockState state, AxisAlignedBB mask, List list, Entity collidingEntity)
    {
        this.setBlockBounds(0.0F, 0.0F, 0.0F, 1.0F, 0.8125F, 1.0F);
        super.addCollisionBoxesToList(worldIn, pos, state, mask, list, collidingEntity);

        if (((Boolean)worldIn.getBlockState(pos).getValue(EYE)).booleanValue())
        {
            this.setBlockBounds(0.3125F, 0.8125F, 0.3125F, 0.6875F, 1.0F, 0.6875F);
            super.addCollisionBoxesToList(worldIn, pos, state, mask, list, collidingEntity);
        }

        this.setBlockBoundsForItemRender();
    }

    /**
     * Get the Item that this Block should drop when harvested.
     *  
     * @param fortune the level of the Fortune enchantment on the player's tool
     */
    public Item getItemDropped(IBlockState state, Random rand, int fortune)
    {
        return null;
    }

    /**
     * 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)
    {
        return this.getDefaultState().withProperty(FACING, placer.getHorizontalFacing().getOpposite()).withProperty(EYE, Boolean.valueOf(false));
    }

    public boolean hasComparatorInputOverride()
    {
        return true;
    }

    public int getComparatorInputOverride(World worldIn, BlockPos pos)
    {
        return ((Boolean)worldIn.getBlockState(pos).getValue(EYE)).booleanValue() ? 15 : 0;
    }

    /**
     * Convert the given metadata into a BlockState for this Block
     */
    public IBlockState getStateFromMeta(int meta)
    {
        return this.getDefaultState().withProperty(EYE, Boolean.valueOf((meta & 4) != 0)).withProperty(FACING, EnumFacing.getHorizontal(meta & 3));
    }

    /**
     * Convert the BlockState into the correct metadata value
     */
    public int getMetaFromState(IBlockState state)
    {
        byte var2 = 0;
        int var3 = var2 | ((EnumFacing)state.getValue(FACING)).getHorizontalIndex();

        if (((Boolean)state.getValue(EYE)).booleanValue())
        {
            var3 |= 4;
        }

        return var3;
    }

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