99         } 

    99         } 

   100     }

   100     }

   101 }

   101 }

   102 

   102 

   103 void Terrain::generatePixelBuffer (void) {

   103 void Terrain::generatePixelBuffer (void) {

   104     // initialize textures

   106     // initialize textures

   105     generateTexture();

   107     generateTexture();

   106 

   108 

   107     // create the pixel buffer of the correct size

   109     // create the pixel buffer of the correct size

   108     pixbuf = CL_PixelBuffer(width, height, 4 * width, CL_PixelFormat::rgba8888);

   110     pixbuf = CL_PixelBuffer(width, height, 4 * width, CL_PixelFormat::rgba8888);

   112         for (PixelDimension y = 0; y < height; y++) {

   114         for (PixelDimension y = 0; y < height; y++) {

   113             // draw textureized pixel color

   115             // draw textureized pixel color

   114             pixbuf.draw_pixel(x, y, getTexturePixel(x, y));

   116             pixbuf.draw_pixel(x, y, getTexturePixel(x, y));

   115         }

   117         }

   116     }

   118     }

   117 }

   125 }

   118 

   126 

   119 /*

   127 /*

   120  * Texture generation utility functions

   128  * Texture generation utility functions

   121  */

   129  */

   408     }

   416     }

   409     

   417     

   410     return normal;

   418     return normal;

   411 }

   419 }

   412 

   420 

   413 void Terrain::draw (graphics::Display &display, PixelCoordinate camera) {

   422 void Terrain::draw (graphics::Display &display, PixelCoordinate camera) {

   414     // XXX: can we optimize this somehow?

   423     // XXX: can we optimize this somehow?

   415     

   424     

   416     // load the terrain pixbuf as a surface

   425     // load the terrain pixbuf as a surface

   417     CL_Surface surf (pixbuf);

   426     CL_Surface surf (pixbuf);

   418     

   427     

   419     // draw it onto the graphics, offset by camera position

   428     // draw it onto the graphics, offset by camera position

   420     surf.draw(-camera.x, -camera.y, display.get_gc());

   429     surf.draw(-camera.x, -camera.y, display.get_gc());

   421 }

   430 }