package liquidmechanics.api.helpers;

import net.minecraft.block.Block;
import net.minecraft.tileentity.TileEntity;
import net.minecraft.world.World;
import net.minecraftforge.common.ForgeDirection;
import net.minecraftforge.liquids.ILiquidTank;
import net.minecraftforge.liquids.ITankContainer;
import net.minecraftforge.liquids.LiquidStack;
import universalelectricity.core.vector.Vector3;

public class connectionHelper
{
    /** Used to find all tileEntities sounding the location you will have to
     * filter for selective tileEntities
     * 
     * @param world
     *            - the world being searched threw
     * @param x
     * @param y
     * @param z
     * @return an array of up to 6 tileEntities */
    public static TileEntity[] getSurroundingTileEntities(TileEntity ent)
    {
        return getSurroundingTileEntities(ent.worldObj, ent.xCoord, ent.yCoord, ent.zCoord);

    }

    public static TileEntity[] getSurroundingTileEntities(World world, int x, int y, int z)
    {
        TileEntity[] list = new TileEntity[] { null, null, null, null, null, null };
        for (int i = 0; i < 6; i++)
        {
            ForgeDirection d = ForgeDirection.getOrientation(i);
            TileEntity aEntity = world.getBlockTileEntity(x + d.offsetX, y + d.offsetY, z + d.offsetZ);
            if (aEntity instanceof TileEntity)
            {
                list[i] = aEntity;
            }
        }
        return list;
    }
    public static int[] getSurroundingBlocks(TileEntity ent)
    {
        return getSurroundingBlocks(ent.worldObj, ent.xCoord, ent.yCoord, ent.zCoord);
    }
    public static int[] getSurroundingBlocks(World world, int x, int y, int z)
    {
        int[] list = new int[6];
        for (int i = 0; i < 6; i++)
        {
            ForgeDirection d = ForgeDirection.getOrientation(i);
            int id = world.getBlockId(x + d.offsetX, y + d.offsetY, z + d.offsetZ);
            list[i] = id;
        }
        return list;
    }

    /** Used to find which of 4 Corners this block is in a group of blocks 0 =
     * not a corner 1-4 = a corner of some direction */
    public static int corner(TileEntity entity)
    {
        TileEntity[] en = getSurroundingTileEntities(entity.worldObj, entity.xCoord, entity.yCoord, entity.zCoord);
        if (en[4] != null && en[2] != null && en[5] == null && en[3] == null) { return 3; }
        if (en[2] != null && en[5] != null && en[3] == null && en[4] == null) { return 4; }
        if (en[5] != null && en[3] != null && en[4] == null && en[2] == null) { return 1; }
        if (en[3] != null && en[4] != null && en[2] == null && en[5] == null) { return 2; }

        return 0;

    }
}