package com.mykaruga.models.wavefront.parser.obj;


import com.mykaruga.models.wavefront.loader.RenderModel;
import com.mykaruga.models.wavefront.loader.TextureCoordinate;
import com.mykaruga.models.wavefront.parser.LineParser;



public class TextureCooParser extends LineParser {

	private TextureCoordinate coordinate = null;

	public TextureCooParser() {}

	@Override
	public void parse() {
		coordinate = new TextureCoordinate();
		try {
			if (words.length >= 2) coordinate.setU(Float.parseFloat(words[1]));

			if (words.length >= 3) coordinate.setV(1 - Float.parseFloat(words[2]));		// OBJ origin is at upper left, OpenGL origin is	 at lower left.

			if (words.length >= 4) coordinate.setW(Float.parseFloat(words[3]));

		} catch (Exception e) {
			throw new RuntimeException("TextureParser Error");
		}
	}

	@Override
	public void incoporateResults(RenderModel wavefrontObject) {
		wavefrontObject.getTextures().add(coordinate);

	}

}