Added clickable buttons; Custom button textures can be specified; Added default cubemap

NFPackCreator/src/main.cpp

@@ -91,7 +91,7 @@ int main(int argc, char* argv[]) {
 	}
 
 	std::set<std::string> extensions;
-	extensions.insert({ "obj", "png", "shader", "ttf" });
+	extensions.insert({ "obj", "png", "jpg", "shader", "ttf" });
 
 	unsigned int dirCount = 0;
 	const std::filesystem::path workingDir = std::filesystem::current_path();