block stuff voxel engine 1

using UnityEngine;
using System.Collections;

/*
 * This is the base block class! This class is extended by other blocks.
 */
public static class Utilities
{
    public static Vector2[] returnUVs(Vector2 center, float tilesize)
    {
        Vector2[] UVs = new Vector2[4];
        UVs[0] = new Vector2(tilesize * center.x + tilesize, tilesize * center.y);
        UVs[1] = new Vector2(tilesize * center.x + tilesize, tilesize * center.y + tilesize);
        UVs[2] = new Vector2(tilesize * center.x, tilesize * center.y + tilesize);
        UVs[3] = new Vector2(tilesize * center.x, tilesize * center.y);
        return UVs;
    }
}
public class Block {


    private const float tilesize = 0.25f;
    private Vector2 uvTop { get; set; }
    private Vector2 uvBottom { get; set; }
    private Vector2 uvNorth { get; set; }
    private Vector2 uvSouth { get; set; }
    private Vector2 uvEast { get; set; }
    private Vector2 uvWest { get; set; }
    private BlockDirection blockDirection { get; set; }

    private Gravity gravity = Gravity.None;
    private BlockType blockType = BlockType.NA;



    public virtual SideType returnIfSolid(Side side)
    {
        return SideType.Solid; //all four sides are solid of default block.
    }



}

public enum BlockType
{
    NA,
    Grass,
    Dirt,
    Rock,
    Gravel,
    Sand,
    Bedrock,
    Air,
    WaterSpring,
    WaterFlow5,
    WaterFlow4,
    WaterFlow3,
    WaterFlow2,
    WaterFlow1
}

public enum Side
{
    Top,
    Bottom,
    North,
    South,
    East,
    West
}

public enum SideType
{
    Open,
    Solid,
    SlabTop,
    SlabSideBottom,
    SlabSideTop,
    Watera
}
public enum Gravity
{
    None,
    Yes
}

public enum BlockDirection
{
    Up,
    Down,
    North,
    South,
    East,
    West
}