tutorial 04

tutorials/04-de_dust2/src/tutorial_04.cpp

@@ -13,25 +13,64 @@
 
 namespace Tyra {
 
-Tutorial04::Tutorial04(Engine* t_engine) : engine(t_engine) {}
+Tutorial04::Tutorial04(Engine* t_engine)
+    : engine(t_engine), camera(&t_engine->pad) {}
 
 Tutorial04::~Tutorial04() {
   engine->renderer.getTextureRepository().freeByMesh(mesh.get());
 }
 
-void Tutorial04::init() { loadMesh(); }
+void Tutorial04::init() {
+  stapip.setRenderer(&engine->renderer.core);
+  loadMesh();
+}
 
-void Tutorial04::loop() {}
+void Tutorial04::loop() {
+  /** Update camera's lookAt and position */
+  camera.update();
+
+  engine->renderer.beginFrame(camera.getCameraInfo());
+  {
+    /** Upload static pipeline's VU1 programs */
+    engine->renderer.renderer3D.usePipeline(stapip);
+
+    /**
+     * Render de_dust2.
+     *
+     * As you see there are clipping issues (visual glitches).
+     * If you want to know how to fix it, please
+     * watch video tutorial.
+     */
+    stapip.render(mesh.get(), renderOptions);
+  }
+  engine->renderer.endFrame();
+}
 
 void Tutorial04::loadMesh() {
-  ObjLoader loader;
   ObjLoaderOptions options;
-  options.flipUVs = true;
   options.scale = 200.0F;
-  auto data = loader.load(FileUtils::fromCwd("de_dust2/de_dust2.obj"), options);
 
+  /**
+   * Load mesh data
+   * Texture names are the material names "usemtl <material name>"
+   */
+  auto data =
+      ObjLoader::load(FileUtils::fromCwd("de_dust2/de_dust2.obj"), options);
+
+  /** Create mesh with loaded data */
   mesh = std::make_unique<StaticMesh>(data.get());
 
+  /**
+   * Disable frustum culling in render options,
+   * because it not make sense to perform
+   * frustum check on entire map (which will be always visible)
+   */
+  renderOptions.frustumCulling = Tyra::PipelineFrustumCulling_None;
+
+  /**
+   * Function which load all textures into texture repository,
+   * based on material names.
+   */
   engine->renderer.getTextureRepository().addByMesh(
       mesh.get(), FileUtils::fromCwd("de_dust2/"), "png");
 }