Reversing the click order

include/keybindings.h

@@ -0,0 +1,15 @@
+//
+// Created by anonymus-raccoon on 3/9/20.
+//
+
+#ifndef _KEYBINDINGS_H_
+#define _KEYBINDINGS_H_
+
+#include <SFML/Window/Keyboard.h>
+
+typedef enum gc_keybindings
+{
+	ESCAPE = sfKeyEscape
+} gc_keybindings;
+
+#endif //_KEYBINDINGS_H_

include/list.h

@@ -13,6 +13,7 @@ struct gc_list
 {
     void *data;
     gc_list *next;
+    gc_list *prev;
 };
 
 gc_list *list_add(gc_list *list, void *obj);

include/scene.h

@@ -30,6 +30,8 @@ struct gc_scene
 
 	gc_list *callbacks;
 	callback_t (*get_callback)(gc_scene *this, char *name);
+
+	bool is_paused;
 };
 
 callback_t scene_get_callback(gc_scene *scene, char *name);

src/scene/scene.c

@@ -41,11 +41,10 @@ gc_scene *scene_create(gc_engine *engine, const char *xmlpath)
     gc_scene *scene = malloc(sizeof(gc_scene));
     node *n = NULL;
 
-    if (!scene)
-        return (NULL);
-    if (xmlpath && !(n = xml_parse(xmlpath)))
+    if (!scene || (xmlpath && !(n = xml_parse(xmlpath))))
         return (NULL);
     scene_load_data(engine, scene, n);
+	scene->is_paused = false;
     scene->entities = NULL;
     scene->entities_by_cmp = NULL;
     scene->add_entity = &entity_add;

src/systems/clickable_system.c

@@ -21,7 +21,9 @@ void clickable_onclick(gc_engine *engine, gc_vector2 position)
 	if (!scene)
 		return;
 	entities = scene->get_entity_by_cmp(scene, "clickable_component");
-	for (gc_list *ent = entities; ent; ent = ent->next) {
+	while (entities->next)
+		entities = entities->next;
+	for (gc_list *ent = entities; ent; ent = ent->prev) {
 		tra = GETCMP(((gc_entity *)ent->data), transform_component);
 		if ((tra->position.x - tra->size.x / 2) <= position.x
 		&& (tra->position.y + tra->size.y / 2) >= position.y

src/utility/list.c

@@ -14,11 +14,15 @@ gc_list *list_add(gc_list *list, void *obj)
 
     if (!list) {
         list = malloc(sizeof(gc_list));
+		if (list)
+			list->prev = NULL;
         listconst = list;
     } else {
         while (list->next)
             list = list->next;
         list->next = malloc(sizeof(gc_list));
+		if (list->next)
+			list->next->prev = list;
         list = list->next;
     }
     if (!list)