Added some extra functions for managing assets.

src/dawn/asset/AssetManager.cpp

@@ -50,6 +50,16 @@ void AssetManager::removeExisting(const std::string filename) {
   }
 }
 
+bool_t AssetManager::isEverythingLoaded() {
+  return pendingAssetLoaders.size() == 0;
+}
+
+bool_t AssetManager::isLoaded(const std::string filename) {
+  auto existing = this->getExisting<AssetLoader>(filename);
+  if(existing) return existing->loaded;
+  return false;
+}
+
 template<>
 std::shared_ptr<Texture> AssetManager::get<Texture>(
   const std::string filename

src/dawn/asset/AssetManager.hpp

@@ -60,6 +60,22 @@ namespace Dawn {
        */
       void update();
 
+      /**
+       * Returns whether the asset manager has loaded all of the currently
+       * managed assets.
+       * 
+       * @return True if all assets have been loaded.
+       */
+      bool_t isEverythingLoaded();
+
+      /**
+       * Returns whether the asset manager has loaded the given asset. 
+       * 
+       * @param filename The filename of the asset to check.
+       * @return True if the asset has been loaded.
+       */
+      bool_t isLoaded(const std::string filename);
+
       /**
        * Returns the asset loader for the given asset.
        * 

src/dawnhelloworld/scene/HelloWorldScene.cpp

@@ -20,6 +20,10 @@ std::shared_ptr<TrueTypeTexture> texture;
 void Dawn::helloWorldScene(Scene &s) {
   texture = s.getGame()->assetManager.get<TrueTypeTexture>("ysabeau_regular", 12);
 
+  while(!s.getGame()->assetManager.isLoaded("ysabeau_regular")) {
+    s.getGame()->assetManager.update();
+  }
+
   auto cameraItem = s.createSceneItem();
   auto camera = cameraItem->addComponent<Camera>();
   cameraItem->lookAt({ 5, 5, 5 }, { 0, 0, 0 }, { 0, 1, 0 });