AAAAA IT ANIMATES

i will probably handle animation with an Animation struct
containing an array of frames, with options to set intervals
and whether it loops or reverts to another state after
the animation is done

dat.h

@@ -21,6 +21,7 @@ struct Image {
 struct State {
 	SDL_Window *win;
 	SDL_Renderer *ren;
+	Uint64 lastframe;
 
 	Samply *sam;
 };

readme

@@ -8,3 +8,12 @@ i want people to be able to create their own pets without having to
 figure out how to recompile.
 
 run it with `SDL_LOGGING=app=debug ./slutpet` for verbose logging
+
+file layout:
+
+dat.h - data structure header
+fns.h - functions and macros header
+
+slutpet.c - sdl init and close
+img.c - loading images
+samply.c - pet Samply

samply.c

@@ -13,10 +13,9 @@ put_samply_to_bed(Samply *sam)
 		free_image(sam->walka);
 		babble("free samply walk b!!");
 		free_image(sam->walkb);
+		babble("good night, samply!!");
+		SDL_free(sam);
 	}
-
-	babble("good night, samply!!");
-	SDL_free(sam);
 }
 
 Samply *
@@ -34,7 +33,7 @@ wake_samply_up(SDL_Renderer *ren)
 	babble("stand samply up!!");
 	sam->idle = load_image(ren, "samply/Samply.png");
 	if (!sam->idle) {
-		fuck("samply would rather stay in bed. too bad! %s", SDL_GetError());
+		fuck("samply would rather stay in bed. too bad!");
 		put_samply_to_bed(sam);
 		return NULL;
 	}
@@ -42,7 +41,7 @@ wake_samply_up(SDL_Renderer *ren)
 	babble("samply walk! part 1!!");
 	sam->walka = load_image(ren, "samply/Samply_Walk1.png");
 	if (!sam->walka) {
-		fuck("samply would rather stay in bed. too bad! %s", SDL_GetError());
+		fuck("samply would rather stay in bed. too bad!");
 		put_samply_to_bed(sam);
 		return NULL;
 	}
@@ -50,7 +49,7 @@ wake_samply_up(SDL_Renderer *ren)
 	babble("samply walk! part 2!!");
 	sam->walkb = load_image(ren, "samply/Samply_Walk2.png");
 	if (!sam->walkb) {
-		fuck("samply would rather stay in bed. too bad! %s", SDL_GetError());
+		fuck("samply would rather stay in bed. too bad!");
 		put_samply_to_bed(sam);
 		return NULL;
 	}

slutpet.c

@@ -47,15 +47,24 @@ SDL_AppResult
 SDL_AppIterate(void *as)
 {
 	State *st = as;
+	SDL_Texture *tx;
+	Uint64 ms;
 
 	SDL_SetRenderDrawColor(st->ren, 0, 0, 0, SDL_ALPHA_TRANSPARENT);
 	SDL_RenderClear(st->ren);
 
-	if (SDL_RenderTexture(st->ren, st->sam->idle->tex, NULL, NULL) == false) {
+	ms = SDL_GetTicks();
+	if ((ms / 100) % 2)
+		tx = st->sam->walka->tex;
+	else
+		tx = st->sam->walkb->tex;
+
+	if (SDL_RenderTexture(st->ren, tx, NULL, NULL) == false) {
 		fuck("rendertexture fail: %s", SDL_GetError());
 		return SDL_APP_FAILURE;
 	}
 	SDL_RenderPresent(st->ren);
+	st->lastframe = SDL_GetTicks();
 	return SDL_APP_CONTINUE;
 }
 
@@ -80,8 +89,10 @@ SDL_AppInit(void **as, int argc, char **argv)
 
 	SDL_SetHint(SDL_HINT_X11_FORCE_OVERRIDE_REDIRECT, "1");
 
+	st->lastframe = SDL_GetTicks();
+
 	babble("create win+render...");
-	if (!SDL_CreateWindowAndRenderer("slutpet", 320, 240,
+	if (!SDL_CreateWindowAndRenderer("slutpet", 320, 320,
 				SDL_WINDOW_TRANSPARENT | SDL_WINDOW_BORDERLESS
 				| SDL_WINDOW_NOT_FOCUSABLE
 				| SDL_WINDOW_ALWAYS_ON_TOP,
@@ -98,5 +109,6 @@ SDL_AppInit(void **as, int argc, char **argv)
 	}
 
 	babble("hi!!");
+	babble("program startup took %llums!", SDL_GetTicks());
 	return SDL_APP_CONTINUE;
 }