package NET.worlds.scape;

import java.io.IOException;

public class Polygon extends Surface {
   protected float[] vertices;
   private static Object classCookie = new Object();

   public Polygon(int numVertices, Material material) {
      this(new float[5 * numVertices], material);
   }

   public Polygon(float[] vertices, Material material) {
      super(material);

      assert vertices.length % 5 == 0;

      this.vertices = vertices;
   }

   public Polygon() {
   }

   public void setVertex(int i, float x, float y, float z, float u, float v) {
      i *= 5;
      this.vertices[i] = x;
      this.vertices[i + 1] = y;
      this.vertices[i + 2] = z;
      this.vertices[i + 3] = u;
      this.vertices[i + 4] = v;
      this.nativeSetVertex(i, x, y, z, u, v);
   }

   public native void nativeSetVertex(int var1, float var2, float var3, float var4, float var5, float var6);

   @Override
   protected void addRwChildren(WObject parent) {
      this.addNewRwChild(parent);

      for (int i = 0; i < this.vertices.length; i += 5) {
         this.addVertex(this.vertices[i], this.vertices[i + 1], this.vertices[i + 2], this.vertices[i + 3], this.vertices[i + 4]);
      }

      this.doneWithEditing();
   }

   @Override
   public void saveState(Saver s) throws IOException {
      s.saveVersion(0, classCookie);
      super.saveState(s);
      s.saveInt(this.vertices.length);

      for (int i = 0; i < this.vertices.length; i++) {
         s.saveFloat(this.vertices[i]);
      }
   }

   @Override
   public void restoreState(Restorer r) throws IOException, TooNewException {
      switch (r.restoreVersion(classCookie)) {
         case 0:
            super.restoreState(r);
            int length = r.restoreInt();
            this.vertices = new float[length];

            for (int i = 0; i < length; i++) {
               this.vertices[i] = r.restoreFloat();
            }

            return;
         default:
            throw new TooNewException();
      }
   }
}