create SDL window

src/App.cpp

@@ -1,18 +1,49 @@
 
 #include "App.hpp"
 
-void App::run() {
-
-    std::cout << "im an app and im running !!" << std::endl;
-
-    (void)foo();
-
-    return;
+#include <thread>
+#include <chrono>
+#include <SDL3/SDL_events.h>
 
+App::App(): window_(new Window()) {
+    // smart pointers might be a good idea
+    // since app will be the top level owner we can use unique ptrs for almost everything
 }
 
-int32_t App::foo() {
+int32_t App::run() {
 
-    return 12;
+    SDL_Event event;
+	while (window_->open()) {
+        // app loop for as long as the window is open
 
-}
+        // pass events to the window
+        while(SDL_PollEvent(&event) != 0) {
+            window_->handleEvent(event);
+        }
+
+        // pass vulkan handling to engine
+        // call engine.render() or something
+        // engine will have a pointer to window so can handle pushing to the screen
+
+        if(window_->rendering()) {
+            // engine.draw();
+
+            // TODO: performance profiling :3
+            // static int counter = 0;
+            // if(counter > 100) {
+            //     std::cout << "out" << std::endl;
+            //     counter = 0;
+            // }
+            // counter++;
+
+        } else {
+             // throttle while the window isn't active
+            std::this_thread::sleep_for(std::chrono::milliseconds(100));
+        }
+    }
+
+    // SDL teardown handled in window destructor
+
+    return 0; // maybe want to have an error codes enum for better clarity
+
+}