First commit. Hello SDL.

[rbdr/super-polarity] / src / main.c

diff --git a/src/main.c b/src/main.c
new file mode 100644 (file)
index 0000000..97d1e38
--- /dev/null
+++ b/src/main.c
@@ -0,0 +1,65 @@
+//
+//  main.c
+//  Super Polarity
+//
+//  Created by Ruben Beltran del Rio on 8/13/13.
+//  Copyright (c) 2013 Abuguet. All rights reserved.
+//
+
+#include <stdio.h>
+#include <time.h>
+
+#include "SDL2/SDL.h"
+
+// TODO: Move these guys to a config header file
+#define SCREEN_WIDTH 640
+#define SCREEN_HEIGHT 480
+#define FPS 30
+
+int main(int argc, const char * argv[])
+{
+    
+    // SDL Initialization. TODO: Should have an initializer.
+    SDL_Window *window;
+    SDL_Renderer *renderer;
+    Uint32 startFrame;
+    Uint32 endFrame;
+    Uint32 delay;
+    int done;
+    
+    if (SDL_Init(SDL_INIT_VIDEO) < 0) {
+        printf("Could not initialize SDL");
+        exit(1);
+    }
+    
+    window = SDL_CreateWindow("Super Polarity", 50, 50, SCREEN_WIDTH, SCREEN_HEIGHT, SDL_WINDOW_OPENGL | SDL_WINDOW_BORDERLESS);
+    
+    renderer = SDL_CreateRenderer(window, -1, 0);
+    
+    done = 0;
+    
+    // Event Loop.
+    while (!done) {
+        startFrame = SDL_GetTicks();
+        SDL_Event event;
+        while (SDL_PollEvent(&event)) {
+            if (event.type == SDL_QUIT) {
+                done = 1;
+            }
+        }
+        
+        endFrame = SDL_GetTicks();
+        
+        /* see if we have time to sleep */
+        delay = 1000 / FPS - (endFrame - startFrame);
+        if (delay > 1000 / FPS) {
+            delay = 1000 / FPS;
+        }
+        SDL_Delay(delay);
+    }
+    
+    SDL_Quit();
+
+    return 0;
+}
+