using UnityEngine;
using System.Collections;

/// <summary>
/// This component is typically used on planes which are not generated by NGUI. E.g. Sperms.
/// It reads texture coordinates from NGUI and applies them to the material used by the renderer on this gameObject
/// </summary>
public class ReadTextureCoordinatesFromNGUI : MonoBehaviour
{
	public UIAtlas atlas;
	public string spriteName;
    public bool IsOtherAtlas;
	const float SPERM_SCALE_FACTOR = .75f;

	static float scaleFactor = SPERM_SCALE_FACTOR;

	void Start()
	{
		Init();
	}

	public void Init()
	{
	    if (IsOtherAtlas)
	    {
            if (ResolutionSwitchController.IsSD)
            {
                scaleFactor = SPERM_SCALE_FACTOR;
            }
            else
             if (ResolutionSwitchController.IsSHD)
            {
                scaleFactor = SPERM_SCALE_FACTOR;
            }
            atlas.coordinates = UIAtlas.Coordinates.TexCoords;
            UIAtlas.Sprite sprite = atlas.GetSprite(spriteName);
            Material m = GetComponent<Renderer>().material;
            m.mainTexture = atlas.texture;
            m.mainTextureOffset = new Vector2(sprite.inner.x, sprite.inner.y);
            m.mainTextureScale = new Vector2(sprite.inner.width, sprite.inner.height);
            atlas.coordinates = UIAtlas.Coordinates.Pixels;
            transform.localScale = new Vector3(sprite.inner.width * scaleFactor, sprite.inner.height * scaleFactor);
        }
	    else
	    {
            if (ResolutionSwitchController.IsSD)
            {
                scaleFactor = SPERM_SCALE_FACTOR * 2;
            }
            else
            if (ResolutionSwitchController.IsSHD)
            {
                scaleFactor = SPERM_SCALE_FACTOR / 2;
            }
           
            atlas.coordinates = UIAtlas.Coordinates.TexCoords;
            UIAtlas.Sprite sprite = atlas.GetSprite(spriteName);
            Material m = GetComponent<Renderer>().material;
            m.mainTexture = atlas.texture;
            m.mainTextureOffset = new Vector2(sprite.inner.x, sprite.inner.y);
            m.mainTextureScale = new Vector2(sprite.inner.width, sprite.inner.height);
            atlas.coordinates = UIAtlas.Coordinates.Pixels;
            transform.localScale = new Vector3(sprite.inner.width * scaleFactor, sprite.inner.height * scaleFactor);
        }

		
	}
}