Show the FPS readout in the top right

src/sdl3-gametest.c

@@ -16,6 +16,7 @@
 #include <sdl3game/sprite.h>
 #include <sdl3game/actor.h>
 #include <sdl3game/registry.h>
+#include <sdl3game/text.h>
 
 int numsprites = 8;
 char *spritepaths[] = {
@@ -145,6 +146,8 @@ SDL_AppResult SDL_AppInit(void **appstate, int argc, char *argv[])
 	controlmap->controls[5].key = SDLK_M;
 	controlmap->controls[5].event_on = SDL_EVENT_KEY_DOWN;
 	controlmap->controls[5].handler_on = &music_toggle;
+
+	CATCH(errctx, text_loadFont("C64Pro", "assets/C64_Pro-STYLE.ttf", 18));
 	
     } CLEANUP {
     } PROCESS(errctx) {
@@ -180,8 +183,11 @@ SDL_AppResult SDL_AppIterate(void *appstate)
     //b2Vec2 position;
     int i = 0;
     iterator opflags;
+    char fpsText[32];
 
     PREPARE_ERROR(errctx);
+
+    GAME_updateFPS();
     
     BITMASK_CLEAR(opflags.flags);
     BITMASK_ADD(opflags.flags, ITERATOR_OP_UPDATE);
@@ -200,7 +206,28 @@ SDL_AppResult SDL_AppIterate(void *appstate)
 	    return SDL_APP_FAILURE;
 	} FINISH_NORETURN(errctx);
     }
-    SDL_RenderPresent(renderer);
+    ATTEMPT {
+	memset((char *)&fpsText, 0x00, 32);
+	snprintf((char *)&fpsText, 31, "FPS : %d", game.fps);
+	CATCH(errctx, text_renderTextAt(
+		  SDL_GetPointerProperty(
+		      REGISTRY_FONT,
+		      "C64Pro",
+		      NULL),
+		  (char *)&fpsText,
+		  (SDL_Color){255, 255, 255, 255},
+		  0,
+		  450,
+		  10)
+	    );
+    } CLEANUP {
+	SDL_RenderPresent(renderer);
+    } PROCESS(errctx) {
+    } HANDLE_DEFAULT(errctx) {
+	LOG_ERROR(errctx);
+	return SDL_APP_FAILURE;
+    } FINISH_NORETURN(errctx);
+
     return SDL_APP_CONTINUE;
 }