flappychik

commit 10466d2948dbe639e4089fd31aef75e25cc7666d
parent a5ece423766f9be0cedcbf237e756aa84c0cf963
Author: bsandro <brian.drosan@gmail.com>
Date:   Mon, 14 Feb 2022 01:44:16 +0200

Moving a picture on any event, Metal usage and highdpi flags

Diffstat:
M
Makefile
 | 
3
+++
A
chikaiKnife.png
 | 
0

M
main.c
 | 
37
+++++++++++++++++++++++++++++--------

3 files changed, 32 insertions(+), 8 deletions(-)
diff --git a/Makefile b/Makefile
@@ -18,3 +18,6 @@ clean:
 
 $(NAME): $(OBJ)
 	$(CC) $(OBJ) -o $@ $(LDFLAGS)
+
+run: $(NAME)
+	./$(NAME)
diff --git a/chikaiKnife.png b/chikaiKnife.png
Binary files differ.
diff --git a/main.c b/main.c
@@ -5,21 +5,36 @@
 #include <SDL.h>
 #include <SDL_image.h>
 
-int main(void) {
+int main(int argc, char *argv[]) {
+	(void)argc;
+	(void)argv;
+
 	bool quit = false;
 	SDL_Event event;
 
 	SDL_Init(SDL_INIT_VIDEO);
-	SDL_Window *screen = SDL_CreateWindow("flappychik", SDL_WINDOWPOS_UNDEFINED, SDL_WINDOWPOS_UNDEFINED, 640, 480, 0);
+	SDL_Window *screen = SDL_CreateWindow("flappychik", SDL_WINDOWPOS_UNDEFINED, SDL_WINDOWPOS_UNDEFINED, 640, 480, SDL_WINDOW_METAL | SDL_WINDOW_ALLOW_HIGHDPI);
 	assert(screen != NULL);
 
 	SDL_Renderer *renderer = SDL_CreateRenderer(screen, -1, SDL_RENDERER_ACCELERATED | SDL_RENDERER_PRESENTVSYNC);
 	assert(renderer != NULL);
 
-	SDL_Surface *jpg = IMG_Load("kohina.jpg");
-	assert(jpg != NULL);
+	SDL_Surface *bg = IMG_Load("kohina.jpg");
+	assert(bg != NULL);
+
+	SDL_Surface *knife = IMG_Load("chikaiKnife.png"); // 56x56px
+	assert(knife != NULL);
+
+	SDL_Texture *tex_bg = SDL_CreateTextureFromSurface(renderer, bg);
+	SDL_Texture *tex_knife = SDL_CreateTextureFromSurface(renderer, knife);
+	SDL_FreeSurface(knife);
+	SDL_FreeSurface(bg);
 
-	SDL_Texture *tex = SDL_CreateTextureFromSurface(renderer, jpg);
+	SDL_RenderCopy(renderer, tex_bg, NULL, NULL);
+	SDL_Rect knife_rect = {0, 0, 56, 56};
+	SDL_RenderCopy(renderer, tex_knife, NULL, &knife_rect);
+
+	SDL_RenderPresent(renderer);
 
 	while (!quit) {
 		SDL_WaitEvent(&event);
@@ -28,16 +43,22 @@ int main(void) {
 			quit = true;
 			break;
 		}
+		SDL_RenderClear(renderer);
 
-		SDL_RenderCopy(renderer, tex, NULL, NULL);
+		knife_rect.x += 1;
+		knife_rect.y += 1;
+		SDL_RenderCopy(renderer, tex_bg, NULL, NULL);
+		SDL_RenderCopy(renderer, tex_knife, NULL, &knife_rect);
 		SDL_RenderPresent(renderer);
+		//printf("hello\n");
 	}
 
-	SDL_DestroyTexture(tex);
-	SDL_FreeSurface(jpg);
+	SDL_DestroyTexture(tex_bg);
 	SDL_DestroyRenderer(renderer);
 	SDL_DestroyWindow(screen);
 	SDL_Quit();
 
+	printf("bye!\n");
+
 	return 0;
 }