package NET.worlds.scape;

public class TextureSurface {
   private Texture[] _textures;
   private int _hwnd;
   private int _oldObject;
   private int _offscreen;
   private int _texWidth;
   private int _texHeight;
   private int _width;
   private int _height;
   private int _rows;
   private int _cols;

   public TextureSurface(Texture[] texList, int rows, int w, int h) {
      this._width = w;
      this._height = h;
      this._oldObject = 0;
      this._hwnd = this.nativeInit(w, h);
      this._offscreen = this.nativeMakeDC(this._hwnd, w, h);
      if (texList != null) {
         this.setTextures(texList, rows);
      }
   }

   @Override
   public void finalize() {
      this.nativeDestroyDC(this._offscreen);
      this._oldObject = 0;
   }

   public void setTextures(Texture[] texList, int rows) {
      this._textures = texList;
      this._rows = rows;
      this._cols = texList.length / rows;
      this._texWidth = this._width / this._cols;
      this._texHeight = this._height / this._rows;
   }

   public synchronized boolean draw(TextureSurfaceRenderer renderer) {
      renderer.renderTo(this._offscreen);
      int idx = 0;

      for (int row = this._rows - 1; row >= 0; row--) {
         for (int col = 0; col < this._cols; col++) {
            if (this._textures[idx] != null) {
               this._textures[idx]
                  .copyFrom(this._offscreen, col * this._texWidth, (col + 1) * this._texWidth, row * this._texHeight, (row + 1) * this._texHeight);
            }

            idx++;
         }
      }

      return false;
   }

   public void sendLeftClick(int x, int y) {
      this.nativeLeftClick(this._hwnd, x, y);
   }

   public int getHwnd() {
      return this._hwnd;
   }

   public int getWidth() {
      return this._width;
   }

   public int getHeight() {
      return this._height;
   }

   private native int nativeInit(int var1, int var2);

   private native int nativeMakeDC(int var1, int var2, int var3);

   private native int nativeGetDC(int var1);

   private native void nativeReleaseDC(int var1, int var2);

   private native void nativeDestroyDC(int var1);

   private native void nativeLeftClick(int var1, int var2, int var3);
}