Adding helper function for the prefab

include/components/renderer.h

@@ -44,6 +44,7 @@ void rend_set_anim(struct renderer *rend, const char *name);
 
 void text_ctr(struct renderer *cmp, va_list args);
 void text_fdctr(gc_scene *scene, struct renderer *cmp, node *n);
+void text_safe_destroy(struct renderer *rend);
 
 void map_ctr(struct renderer *cmp, va_list args);
 void map_fdctr(gc_scene *scene, struct renderer *cmp, gc_entity *entity);

include/prefab.h

@@ -14,3 +14,4 @@ int prefab_loadentities(node *n, gc_engine *engine, gc_scene *scene);
 gc_entity *deserialize_entity(gc_engine *engine, gc_scene *scene, node *n);
 gc_component *deserialize_component(gc_engine *engine, gc_entity *entity, \
 gc_scene *scene, node *n);
+void prefab_destroy(gc_scene *scene, int prefab_id);

src/components/renderers/text_renderer.c

@@ -20,6 +20,11 @@ void destroy_text_renderer(struct renderer *cmp)
     free(cmp->data);
 }
 
+void text_safe_destroy(struct renderer *rend)
+{
+    free(rend->data);
+}
+
 int color_from_text(char *txt)
 {
     if (txt == NULL)

src/deserializer/prefab.c

@@ -49,4 +49,12 @@ int prefab_loadentities(node *n, gc_engine *engine, gc_scene *scene)
     if (engine->on_resize && engine->get_screen_size && engine->scene)
         engine->on_resize(engine, engine->get_screen_size(engine));
     return (prefab_id - 1);
+}
+
+void prefab_destroy(gc_scene *scene, int prefab_id)
+{
+    for (gc_list *li = scene->entities; li; li = li->next) {
+        if (((gc_entity *)li->data)->prefab_id == prefab_id)
+            ((gc_entity *)li->data)->destroy(li->data, scene);
+    }
 }