Add DEBUG_ENGINE as compile definition instead of using build_config

include/Renderer.h

@@ -4,10 +4,12 @@
 #include "SDL.h"
 #include "SDL_pixels.h"
 #include "SDL_render.h"
+#include "SDL_rwops.h"
 #include "SDL_surface.h"
 #include "SDL_ttf.h"
 #include "SDL_video.h"
 #include "aliases.h"
+#include "pak.h"
 #include <stdbool.h>
 
 #ifdef __cplusplus
@@ -71,6 +73,14 @@ void swap_buffers(const Renderer *renderer);
  */
 SDL_Texture *load_texture(const Renderer *renderer, const char *path);
 
+/**
+ * Attempts to load an SDL_Texture from an SDL_RWops context.
+ *
+ * Returns a pointer to the object if it succeeds or NULL when it fails.
+ */
+SDL_Texture *load_texture_from_rwops(const Renderer *renderer, SDL_RWops *ctx,
+                                     i32 freesrc);
+
 /**
  * Frees the memory allocated to the Renderer object and performs the
  * necessary cleanup.