X-Git-Url: https://git.verplant.org/?a=blobdiff_plain;f=src%2Fgame_object.cpp;h=273367f6ea666b53ba0c967953433b7209900887;hb=c551a7ee31696e62ee6a05d4505ff93cfca24112;hp=0ad837a2105b9cb78e2d3f1ba035e545e70f201d;hpb=403f2652505e814b645892bffaf89a584984f9b8;p=supertux.git

diff --git a/src/game_object.cpp b/src/game_object.cpp
index 0ad837a21..273367f6e 100644
--- a/src/game_object.cpp
+++ b/src/game_object.cpp
@@ -1,11 +1,72 @@
-#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.
+
+#include <config.h>
+#include "log.hpp"
+#include "game_object.hpp"
+#include "object_remove_listener.hpp"
 
 GameObject::GameObject()
-  : wants_to_die(false)
+  : 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;
+}
+
+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;
+  }
 }