package pl.vorg.mowa.core.graphics;

import java.util.ArrayList;

/**
 * A stream of vertex. Eeach vertex may be described by many different
 * attributes (position, color, texture coordinates, etc.) contained in buffers.
 * 
 * Za to jak kolejno ukladaja sie wiercholki odpowiada indexBuffer.
 * 
 * Np trojkat o wierzcholkach (0,0,0) (1,0,0) (0,1,0) o kolorach czerwonym,
 * zielonym i niebieskim ze wspolrzednymi tekstury (0,0) (1,0) (0,1)
 * 
 * wygladalby tak FloatVertexAttrib "pos" : [0, 0, 0, 1, 0, 0, 0, 1, 0]
 * FloatVertexAttrib "color" : [1, 0, 0, 0, 1, 0, 0, 0, 1] FloatVertexAttrib
 * "texCoord0" : [0, 0, 1, 0, 0, 1] IndexBuffer : [0, 1, 2]
 * 
 * @author vorg
 */
public class VertexStream {
	private ArrayList<VertexAttrib> attribs = new ArrayList<VertexAttrib>();
	private IndexBuffer indexBuffer;

	public ArrayList<VertexAttrib> getAttribs() {
		return attribs;
	}

	public VertexAttrib getAttribByName(String name) {
		for (VertexAttrib attrib : attribs) {
			if (attrib.getName().equals(name)) {
				return attrib;
			}
		}
		return null;
	}

	public void addAttrib(VertexAttrib attrib) {
		attribs.add(attrib);
	}

	public IndexBuffer getIndexBuffer() {
		return indexBuffer;
	}

	public void setIndexBuffer(IndexBuffer indexBuffer) {
		this.indexBuffer = indexBuffer;
	}
}