package net.minecraft.block;

import cpw.mods.fml.relauncher.Side;
import cpw.mods.fml.relauncher.SideOnly;
import java.util.List;
import java.util.Random;
import net.minecraft.block.material.Material;
import net.minecraft.client.renderer.texture.IconRegister;
import net.minecraft.creativetab.CreativeTabs;
import net.minecraft.entity.Entity;
import net.minecraft.item.ItemStack;
import net.minecraft.util.AxisAlignedBB;
import net.minecraft.util.Icon;
import net.minecraft.world.IBlockAccess;
import net.minecraft.world.World;

public class BlockPane extends Block
{
    /**
     * Holds the texture index of the side of the pane (the thin lateral side)
     */
    private final String sideTextureIndex;

    /**
     * If this field is true, the pane block drops itself when destroyed (like the iron fences), otherwise, it's just
     * destroyed (like glass panes)
     */
    private final boolean canDropItself;
    private final String field_94402_c;
    @SideOnly(Side.CLIENT)
    private Icon field_94401_cO;

    protected BlockPane(int par1, String par2Str, String par3Str, Material par4Material, boolean par5)
    {
        super(par1, par4Material);
        this.sideTextureIndex = par3Str;
        this.canDropItself = par5;
        this.field_94402_c = par2Str;
        this.setCreativeTab(CreativeTabs.tabDecorations);
    }

    /**
     * Returns the ID of the items to drop on destruction.
     */
    public int idDropped(int par1, Random par2Random, int par3)
    {
        return !this.canDropItself ? 0 : super.idDropped(par1, par2Random, par3);
    }

    /**
     * Is this block (a) opaque and (b) a full 1m cube?  This determines whether or not to render the shared face of two
     * adjacent blocks and also whether the player can attach torches, redstone wire, etc to this block.
     */
    public boolean isOpaqueCube()
    {
        return false;
    }

    /**
     * If this block doesn't render as an ordinary block it will return False (examples: signs, buttons, stairs, etc)
     */
    public boolean renderAsNormalBlock()
    {
        return false;
    }

    /**
     * The type of render function that is called for this block
     */
    public int getRenderType()
    {
        return 18;
    }

    @SideOnly(Side.CLIENT)
    public boolean func_71877_c(IBlockAccess par1IBlockAccess, int par2, int par3, int par4, int par5)
    {
        int var6 = par1IBlockAccess.getBlockId(par2, par3, par4);
        return var6 == this.blockID ? false : super.func_71877_c(par1IBlockAccess, par2, par3, par4, par5);
    }

    /**
     * Adds all intersecting collision boxes to a list. (Be sure to only add boxes to the list if they intersect the
     * mask.) Parameters: World, X, Y, Z, mask, list, colliding entity
     */
    public void addCollisionBoxesToList(World par1World, int par2, int par3, int par4, AxisAlignedBB par5AxisAlignedBB, List par6List, Entity par7Entity)
    {
        boolean var8 = this.canThisPaneConnectToThisBlockID(par1World.getBlockId(par2, par3, par4 - 1));
        boolean var9 = this.canThisPaneConnectToThisBlockID(par1World.getBlockId(par2, par3, par4 + 1));
        boolean var10 = this.canThisPaneConnectToThisBlockID(par1World.getBlockId(par2 - 1, par3, par4));
        boolean var11 = this.canThisPaneConnectToThisBlockID(par1World.getBlockId(par2 + 1, par3, par4));

        if ((!var10 || !var11) && (var10 || var11 || var8 || var9))
        {
            if (var10 && !var11)
            {
                this.setBlockBounds(0.0F, 0.0F, 0.4375F, 0.5F, 1.0F, 0.5625F);
                super.addCollisionBoxesToList(par1World, par2, par3, par4, par5AxisAlignedBB, par6List, par7Entity);
            }
            else if (!var10 && var11)
            {
                this.setBlockBounds(0.5F, 0.0F, 0.4375F, 1.0F, 1.0F, 0.5625F);
                super.addCollisionBoxesToList(par1World, par2, par3, par4, par5AxisAlignedBB, par6List, par7Entity);
            }
        }
        else
        {
            this.setBlockBounds(0.0F, 0.0F, 0.4375F, 1.0F, 1.0F, 0.5625F);
            super.addCollisionBoxesToList(par1World, par2, par3, par4, par5AxisAlignedBB, par6List, par7Entity);
        }

        if ((!var8 || !var9) && (var10 || var11 || var8 || var9))
        {
            if (var8 && !var9)
            {
                this.setBlockBounds(0.4375F, 0.0F, 0.0F, 0.5625F, 1.0F, 0.5F);
                super.addCollisionBoxesToList(par1World, par2, par3, par4, par5AxisAlignedBB, par6List, par7Entity);
            }
            else if (!var8 && var9)
            {
                this.setBlockBounds(0.4375F, 0.0F, 0.5F, 0.5625F, 1.0F, 1.0F);
                super.addCollisionBoxesToList(par1World, par2, par3, par4, par5AxisAlignedBB, par6List, par7Entity);
            }
        }
        else
        {
            this.setBlockBounds(0.4375F, 0.0F, 0.0F, 0.5625F, 1.0F, 1.0F);
            super.addCollisionBoxesToList(par1World, par2, par3, par4, par5AxisAlignedBB, par6List, par7Entity);
        }
    }

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

    /**
     * Updates the blocks bounds based on its current state. Args: world, x, y, z
     */
    public void setBlockBoundsBasedOnState(IBlockAccess par1IBlockAccess, int par2, int par3, int par4)
    {
        float var5 = 0.4375F;
        float var6 = 0.5625F;
        float var7 = 0.4375F;
        float var8 = 0.5625F;
        boolean var9 = this.canThisPaneConnectToThisBlockID(par1IBlockAccess.getBlockId(par2, par3, par4 - 1));
        boolean var10 = this.canThisPaneConnectToThisBlockID(par1IBlockAccess.getBlockId(par2, par3, par4 + 1));
        boolean var11 = this.canThisPaneConnectToThisBlockID(par1IBlockAccess.getBlockId(par2 - 1, par3, par4));
        boolean var12 = this.canThisPaneConnectToThisBlockID(par1IBlockAccess.getBlockId(par2 + 1, par3, par4));

        if ((!var11 || !var12) && (var11 || var12 || var9 || var10))
        {
            if (var11 && !var12)
            {
                var5 = 0.0F;
            }
            else if (!var11 && var12)
            {
                var6 = 1.0F;
            }
        }
        else
        {
            var5 = 0.0F;
            var6 = 1.0F;
        }

        if ((!var9 || !var10) && (var11 || var12 || var9 || var10))
        {
            if (var9 && !var10)
            {
                var7 = 0.0F;
            }
            else if (!var9 && var10)
            {
                var8 = 1.0F;
            }
        }
        else
        {
            var7 = 0.0F;
            var8 = 1.0F;
        }

        this.setBlockBounds(var5, 0.0F, var7, var6, 1.0F, var8);
    }

    @SideOnly(Side.CLIENT)
    public Icon func_72162_n()
    {
        return this.field_94401_cO;
    }

    /**
     * Gets passed in the blockID of the block adjacent and supposed to return true if its allowed to connect to the
     * type of blockID passed in. Args: blockID
     */
    public final boolean canThisPaneConnectToThisBlockID(int par1)
    {
        return Block.opaqueCubeLookup[par1] || par1 == this.blockID || par1 == Block.glass.blockID;
    }

    /**
     * Return true if a player with Silk Touch can harvest this block directly, and not its normal drops.
     */
    protected boolean canSilkHarvest()
    {
        return true;
    }

    /**
     * Returns an item stack containing a single instance of the current block type. 'i' is the block's subtype/damage
     * and is ignored for blocks which do not support subtypes. Blocks which cannot be harvested should return null.
     */
    protected ItemStack createStackedBlock(int par1)
    {
        return new ItemStack(this.blockID, 1, par1);
    }

    @SideOnly(Side.CLIENT)
    public void func_94332_a(IconRegister par1IconRegister)
    {
        this.field_94336_cN = par1IconRegister.func_94245_a(this.field_94402_c);
        this.field_94401_cO = par1IconRegister.func_94245_a(this.sideTextureIndex);
    }
}
