// FROM HOLOGRAPH
using System;
namespace Chop.Game.Rooms
{
    public static class Rotation
    {
        public static byte Calculate(int pX, int pY, int pLookX, int pLookY)
        {
            byte Rotation = 0;
            if (pX > pLookX && pY > pLookY)
                Rotation = 7;
            else if (pX < pLookX && pY < pLookY)
                Rotation = 3;
            else if (pX > pLookX && pY < pLookY)
                Rotation = 5;
            else if (pX < pLookX && pY > pLookY)
                Rotation = 1;
            else if (pX > pLookX)
                Rotation = 6;
            else if (pX < pLookX)
                Rotation = 2;
            else if (pY < pLookY)
                Rotation = 4;
            else if (pY > pLookY)
                Rotation = 0;

            return Rotation;
        }
        public static byte GetHeadRotation(byte pCurrentRotation, int pX, int pY, int pLookX, int pLookY)
        {
            if (pCurrentRotation == 2)
            {
                if (pX <= pLookX && pY < pLookY)
                    return 3;
                else if (pX <= pLookX && pY > pLookY)
                    return 5;
                else if (pX < pLookX && pY == pLookY)
                    return 2;
            }
            else if (pCurrentRotation == 4)
            {
                if (pX > pLookX && pY <= pLookY)
                    return 5;
                else if (pX < pLookX && pY <= pLookY)
                    return 3;
                else if (pX == pLookX && pY < pLookY)
                    return 4;
            }
            else if (pCurrentRotation == 6)
            {
                if (pX >= pLookX && pY > pLookY)
                    return 7;
                else if (pX >= pLookX && pY < pLookY)
                    return 5;
                else if (pX > pLookX && pY == pLookY)
                    return 6;
            }
            else if (pCurrentRotation == 0)
            {
                if (pX > pLookX && pY >= pLookY)
                    return 9;
                if (pX < pLookX && pY >= pLookY)
                    return 1;
                if (pX == pLookX && pY > pLookY)
                    return 0;
            }
            return 10;
        }
    }
}