finish 8 tutorial

tutorials/08-skybox-debug/src/tutorial_08.cpp

@@ -13,12 +13,90 @@
 
 namespace Tyra {
 
-Tutorial08::Tutorial08(Engine* t_engine) : engine(t_engine) {}
+Tutorial08::Tutorial08(Engine* t_engine) : engine(t_engine), fpsCounter(0) {}
 
-Tutorial08::~Tutorial08() {}
+Tutorial08::~Tutorial08() {
+  engine->renderer.getTextureRepository().freeByMesh(skyboxMesh.get());
+}
 
-void Tutorial08::init() {}
+void Tutorial08::init() {
+  stapip.setRenderer(&engine->renderer.core);
 
-void Tutorial08::loop() {}
+  cameraPosition = Vec4(0.0F, 0.0F, -10.0F);
+  cameraLookAt.unit();
+
+  loadSkyboxMesh();
+  loadCupMesh();
+
+  /** Uncomment this, to disable vsync */
+  // engine->renderer.setFrameLimit(false);
+}
+
+void Tutorial08::loop() {
+  if (fpsCounter++ > 50) {
+    fpsCounter = 0;
+    TYRA_LOG("FPS: ", engine->info.getFps(),
+             " RAM: ", engine->info.getAvailableRAM());
+  }
+
+  cupMesh->rotation.rotate(Vec4(0.03F, 0.03F, 0.03F));
+
+  auto& utilityTools = engine->renderer.renderer3D.utility;
+
+  engine->renderer.beginFrame(CameraInfo3D(&cameraPosition, &cameraLookAt));
+  {
+    engine->renderer.renderer3D.usePipeline(stapip);
+    stapip.render(skyboxMesh.get(), skyboxRenderOptions);
+    stapip.render(cupMesh.get(), cupRenderOptions);
+
+    /** Utility drawing should be done AFTER pipeline rendering */
+
+    /** Draw cup bbox */
+    utilityTools.drawBBox(
+        cupMesh->frame->bbox->getTransformed(cupMesh->getModelMatrix()));
+
+    /** Draw line */
+    utilityTools.drawLine(Vec4(50.0F, 50.0F, 50.0F), *cupMesh->getPosition(),
+                          Color(0.0F, 128.0F, 0.0F));
+
+    /** Draw box at origin */
+    utilityTools.drawBox(Vec4(0.0F, 0.0F, 0.0F), 0.2F,
+                         Color(0.0F, 0.0F, 255.0F));
+  }
+  engine->renderer.endFrame();
+}
+
+void Tutorial08::loadSkyboxMesh() {
+  ObjLoaderOptions options;
+  options.scale = 200.0F;
+  options.flipUVs = true;
+
+  auto data = ObjLoader::load(FileUtils::fromCwd("skybox/skybox.obj"), options);
+
+  skyboxMesh = std::make_unique<StaticMesh>(data.get());
+
+  skyboxRenderOptions.frustumCulling = Tyra::PipelineFrustumCulling_None;
+
+  /**
+   * We need to put the skybox at infinite Z, so this options
+   * will help us to do that.
+   */
+  skyboxRenderOptions.zTestType = Tyra::PipelineZTest_AllPass;
+
+  engine->renderer.getTextureRepository().addByMesh(
+      skyboxMesh.get(), FileUtils::fromCwd("skybox/"), "png");
+}
+
+void Tutorial08::loadCupMesh() {
+  ObjLoaderOptions options;
+  options.scale = 3.0F;
+
+  auto data = ObjLoader::load(FileUtils::fromCwd("cup/cup.obj"), options);
+  data->textureCoordsEnabled = false;
+
+  cupMesh = std::make_unique<StaticMesh>(data.get());
+
+  cupMesh->translation.translateZ(10.0F);
+}
 
 }  // namespace Tyra