allow for custom SDL window parameters, fixes #5

src/engine/engine.c

@@ -172,5 +172,6 @@ void
 engine_stop() {
 	engine_sdl_destroy(internal_state->sdl_state);
 	free(internal_state);
-	free(game_state);
+	free(game_state->framebuffer);
+    free(game_state);
 }

src/engine/engine_init.c

@@ -2,9 +2,15 @@
 #include "error.h"
 #include <SDL3/SDL_render.h>
 #include <SDL3/SDL_video.h>
+#include <stdint.h>
 
 bool
-engine_sdl_init_state(engine_sdl_state_t **state) {
+engine_sdl_init_state(
+	engine_sdl_state_t **state,
+	uint32_t window_width,
+	uint32_t window_height,
+	const char window_name[]
+) {
  	*state = (engine_sdl_state_t *)
 	 	malloc(sizeof(engine_sdl_state_t));
 
@@ -13,12 +19,13 @@ engine_sdl_init_state(engine_sdl_state_t **state) {
 		return RCODE_FAILURE;
 	}
 
-	(*state)->width = WINDOW_WIDTH;
-	(*state)->height = WINDOW_HEIGHT;
+	(*state)->width = window_width;
+	(*state)->height = window_height;
 	strncpy(
-		(*state)->window_name, DEFAULT_WINDOW_NAME, 
-		WINDOW_NAME_LENGTH
+		(*state)->window_name, window_name,
+		WINDOW_NAME_MAX_LENGTH - 1
 	);
+	(*state)->window_name[WINDOW_NAME_MAX_LENGTH - 1] = '\0';
 
 	return RCODE_SUCCESS;
 }
@@ -94,11 +101,19 @@ engine_sdl_init_texture(
 }
 
 engine_sdl_state_t*
-engine_sdl_init() 
-{
+engine_sdl_init(
+	uint32_t window_width,
+	uint32_t window_height,
+	const char window_name[]
+) {
 	engine_sdl_state_t *state;
 
-	if (!engine_sdl_init_state(&state) || 
+	if (!engine_sdl_init_state(
+			&state,
+			window_width,
+			window_height,
+			window_name
+		) || 
 		!engine_sdl_init_root() || 
 		!engine_sdl_init_window(state) ||
 		!engine_sdl_init_renderer(state) ||
@@ -127,6 +142,9 @@ engine_sdl_destroy(
 
 bool
 engine_init(
+	uint32_t window_width,
+	uint32_t window_height,
+	const char window_name[],
 	void (*engine_poll_events)(void),
 	void (*engine_update_framebuffer)(void)
 ) {
@@ -143,15 +161,28 @@ engine_init(
 		return RCODE_FAILURE;
 	}
 
+	game_state->framebuffer = (uint32_t *)
+		malloc(sizeof(uint32_t) * window_width * window_height);
+	if (game_state->framebuffer == NULL) {
+		free(internal_state);
+		free(game_state);
+		return RCODE_FAILURE;
+	}
+
 	internal_state->engine_poll_events
 		= engine_poll_events;
 
 	internal_state->engine_update_framebuffer
 		= engine_update_framebuffer;
 
-	internal_state->sdl_state = engine_sdl_init();
+	internal_state->sdl_state = engine_sdl_init(
+		window_width,
+		window_height,
+		window_name
+	);
 	if (internal_state->sdl_state == NULL) {
 		free(internal_state);
+		free(game_state->framebuffer);
 		free(game_state);
 		return RCODE_FAILURE;
 	}