Added fps counter

main.c

@@ -33,8 +33,10 @@ GameState gameState = MainMenu;
 Scenery scenery;
 
 int main(int argc, char * args[]){
-    // printf("Spielbereiche\n\t- 1: Hauptmen"ue "\n\t- 2: Spiel\n\t- 3: Level Select\n\t- 4: Settings\n\t- 5: Highscores\n");
-    // GAME_ChangeState(readIntFromIO("W"ae "hle einen Spielbereich aus, den du testen m"oe "chtest:", "Fehlerhafte Eingabe!\n", "%d ist kein g"ue "ltiger Spielbereich!\n", 1, 5));
+    Uint32 fps_lasttime = SDL_GetTicks(); // the last recorded time.
+    Uint32 fps_current; // the current FPS.
+    Uint32 fps_frames = 0; // frames passed since the last recorded fps.
+
     INITIALIZE();
     while (running) { // Gameloop
         HandleSDLEvents();
@@ -60,6 +62,13 @@ int main(int argc, char * args[]){
                 break;
         }
         SDL_RenderPresent(renderer);
+        fps_frames++;
+        if (fps_lasttime < SDL_GetTicks() - 1000) {
+            fps_lasttime = SDL_GetTicks();
+            fps_current = fps_frames;
+            fps_frames = 0;
+            printf("Frames/s: %u\n", fps_current);
+        }
     }
     QUIT();
     return 0;
@@ -197,28 +206,3 @@ void QUIT(){
     printf("Quitting SDL finished!\n");
     printf("De-initializing finished!\n");
 } /* QUIT */
-
-int readIntFromIO(char * m1, char * m2, char * m3, int min, int max){
-    int nitems, num;
-
-    while (1) {
-        while (1) {
-            printf(m1);
-            nitems = scanf("%d", &num);
-            if (nitems == 0) {
-                printf(m2);
-                fflush(stdin);
-                continue;
-            } else {
-                break;
-            }
-        }
-        if ((num < min) || (num > max)) {
-            printf(m3, num);
-        } else {
-            break;
-        }
-    }
-    fflush(stdin);
-    return(num);
-} /* readIntFromIO */

main.h

@@ -36,7 +36,6 @@ void windowChanged(SDL_WindowEvent b);
 void DrawBackground(SDL_Renderer * renderer);
 void INITIALIZE();
 void QUIT();
-int readIntFromIO(char * m1, char * m2, char * m3, int min, int max);
 // End Prototypes
 
 #endif // __main_h__