Fundamental framework for an SDL application

gamecore.cpp

@@ -0,0 +1,73 @@
+#include "gamecore.h"
+#include "drawutils.h"
+
+#ifdef DEBUG
+#include <iostream>
+#endif
+
+GameCore::GameCore()
+{
+    display = NULL;
+    is_running = true;
+}
+
+int GameCore::execute()
+{
+    if (!init()) return 1;
+
+    SDL_Event event;
+
+    while (is_running)
+    {
+	while(SDL_PollEvent(&event))
+	    handle_event(&event);
+	iterate();
+	render();
+    }
+
+    cleanup();
+
+    return 0;
+}
+
+
+bool GameCore::init()
+{
+    if (SDL_Init(SDL_INIT_EVERYTHING) < 0) return false;
+
+    display = SDL_SetVideoMode(800,600,32, SDL_HWSURFACE | SDL_DOUBLEBUF);
+    if (display == NULL)
+    {
+#ifdef DEBUG
+	std::cerr << "GameCore::init(): error: Couldn't create main surface\n";
+#endif
+	return false;
+    }
+
+    return true;
+}
+
+
+void GameCore::render()
+{
+
+}
+
+
+void GameCore::iterate()
+{
+
+}
+
+
+void GameCore::cleanup()
+{
+    SDL_FreeSurface(display);
+    SDL_Quit();
+}
+
+
+void GameCore::on_exit()
+{
+    is_running = false;
+}