Fix VSync, Fix Mouse Input (Yay!), Add MAXFPS env

src/main.cpp

@@ -14,9 +14,16 @@ int main(int argc, char **argv)
     std::cout << "[Debug Mode]" << std::endl;
 #endif
 
-    // Create window
+    // Create controller
     Controller *mainController = new Controller();
 
+    const char* fps_env = std::getenv("MAXFPS");
+    if(fps_env) {
+        uint16_t maxfps = std::stoul(fps_env);
+        mainController->setMaxFps(maxfps);
+        std::cout << "[Warning] Default max FPS overridden with " << maxfps << " by environment." << std::endl;
+    }
+    
     mainController->run();
 
     delete mainController;