GLUVMap.java

package javaforce.gl;

/**
 * UV Map - texture coords (see GLObject)
 *
 * @author pquiring
 */

import javaforce.JFArrayFloat;
import static javaforce.gl.GL.*;

public class GLUVMap {
  public JFArrayFloat uvl;  //texture coords list (UV)
  public String name;
  public int textureIndex = -1;
  public boolean texloaded = false;
  public int uvb = -1;  //GL buffer
  public int idx;  //map index

  public GLUVMap(int idx) {
    uvl = new JFArrayFloat();
    this.idx = idx;
    if (idx > 1) {
      System.out.println("GLUVMap:Warning:More than 2 UVMaps not supported");
    }
  }

  public void addText(float uv[]) {
    uvl.append(uv);
  }

  public void copyBuffers() {
    int ids[] = new int[1];
    if (uvb == -1) {
      glGenBuffers(1, ids);
      uvb = ids[0];
    }
    glBindBuffer(GL.GL_ARRAY_BUFFER, uvb);
    glBufferData(GL.GL_ARRAY_BUFFER, uvl.size() * 4, uvl.toArray(), GL.GL_STATIC_DRAW);
  }

  public void bindBuffers(GLScene scene) {
    glBindBuffer(GL.GL_ARRAY_BUFFER, uvb);
    glVertexAttribPointer(scene.tca[idx], 2, GL.GL_FLOAT, GL.GL_FALSE, 0, 0);
  }
}