-#include "game_object.h"
+// $Id$
+//
+// SuperTux
+// Copyright (C) 2006 Matthias Braun <matze@braunis.de>
+//
+// This program is free software; you can redistribute it and/or
+// modify it under the terms of the GNU General Public License
+// as published by the Free Software Foundation; either version 2
+// of the License, or (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program; if not, write to the Free Software
+// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
-_GameObject::_GameObject()
- : wants_to_die(false)
+#include <config.h>
+#include "log.hpp"
+#include "game_object.hpp"
+#include "object_remove_listener.hpp"
+
+GameObject::GameObject()
+ : wants_to_die(false), remove_listeners(NULL)
+{
+}
+
+GameObject::~GameObject()
+{
+ // call remove listeners (and remove them from the list)
+ RemoveListenerListEntry* entry = remove_listeners;
+ while(entry != NULL) {
+ RemoveListenerListEntry* next = entry->next;
+ entry->listener->object_removed(this);
+ delete entry;
+ entry = next;
+ }
+}
+
+
+void
+GameObject::add_remove_listener(ObjectRemoveListener* listener)
{
+ RemoveListenerListEntry* entry = new RemoveListenerListEntry();
+ entry->next = remove_listeners;
+ entry->listener = listener;
+ remove_listeners = entry;
}
-_GameObject::~_GameObject()
+void
+GameObject::del_remove_listener(ObjectRemoveListener* listener)
{
+ RemoveListenerListEntry* entry = remove_listeners;
+ if (entry->listener == listener) {
+ remove_listeners = entry->next;
+ delete entry;
+ return;
+ }
+ RemoveListenerListEntry* next = entry->next;
+ while(next != NULL) {
+ if (next->listener == listener) {
+ entry->next = next->next;
+ delete next;
+ break;
+ }
+ entry = next;
+ next = next->next;
+ }
}