Minor code cleanup.

src/main.c

@@ -22,31 +22,16 @@ typedef struct {
   int right;
 } App;
 
-typedef struct {
-  int x;
-  int y;
-  SDL_Texture *texture;
-} Entity;
-
 App app;
 
-Entity player;
-
 void handleInput(void);
 void cleanup(void);
 void prepareScene(void);
 void presentScene(void);
-SDL_Texture *loadTexture(char *);
-void blit(SDL_Texture *, int, int);
 int getIndex(int, int, int);
 
 int main(int argc, char* args[]) {
   memset(&app, 0, sizeof(app));
-  memset(&player, 0, sizeof(player));
-
-  player.x = 100;
-  player.y = 100;
-  player.texture = loadTexture("text.jpg");
 
   IMG_Init(IMG_INIT_JPG);
 
@@ -86,25 +71,6 @@ int main(int argc, char* args[]) {
   }
 }
 
-void blit(SDL_Texture *texture, int x, int y)
-{
-	SDL_Rect dest;
-
-	dest.x = x;
-	dest.y = y;
-	SDL_QueryTexture(texture, NULL, NULL, &dest.w, &dest.h);
-
-	SDL_RenderCopy(app.renderer, texture, NULL, &dest);
-}
-
-SDL_Texture* loadTexture(char *filePath) {
-  SDL_Texture *texture;
-
-  texture = IMG_LoadTexture(app.renderer, filePath);
-
-  return texture;
-}
-
 void cleanup(void) {
   SDL_DestroyWindow(app.window);
   SDL_DestroyRenderer(app.renderer);
@@ -120,9 +86,6 @@ void handleInput(void) {
         exit(0);
         break;
       case SDL_KEYDOWN:
-        player.x += 1;
-        player.y += 1;
-        break;
       default:
         break;
     }