Content packs structure update

src/engine.cpp

@@ -51,7 +51,7 @@ Engine::Engine(EngineSettings& settings, EnginePaths* paths)
 	}
 
     auto resdir = paths->getResources();
-    contentPacks.push_back({"base", resdir/path("content/base")});
+    contentPacks.push_back(ContentPack::read(resdir/path("content/base")));
     loadContent();
 
 	Audio::initialize();
@@ -160,7 +160,7 @@ void Engine::loadContent() {
     
     vector<path> resRoots;
     for (auto& pack : contentPacks) {
-        ContentLoader loader(pack.folder);
+        ContentLoader loader(&pack);
         loader.load(&contentBuilder);
         resRoots.push_back(pack.folder);
     }