Fixed a Segmentation Fault when mr_iceblock was kicked into a brick containing coins...

[supertux.git] / src / trigger / trigger_base.hpp

diff --git a/src/trigger/trigger_base.hpp b/src/trigger/trigger_base.hpp
index bc7bf02..d2fb236 100644 (file)
--- a/src/trigger/trigger_base.hpp
+++ b/src/trigger/trigger_base.hpp
@@ -1,12 +1,10 @@
-//  $Id$
+//  SuperTux
+//  Copyright (C) 2006 Matthias Braun <matze@braunis.de>
 //
-//  SuperTux -  A Jump'n Run
-//  Copyright (C) 2004 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 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 3 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
@@ -14,44 +12,62 @@
 //  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.
-#ifndef SUPERTUX_TRIGGER_BASE_H
-#define SUPERTUX_TRIGGER_BASE_H
+//  along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+#ifndef HEADER_SUPERTUX_TRIGGER_TRIGGER_BASE_HPP
+#define HEADER_SUPERTUX_TRIGGER_TRIGGER_BASE_HPP
+
+#include <list>
+#include <memory>
 
-#include "moving_object.hpp"
-#include "math/rect.hpp"
-#include "sprite/sprite.hpp"
+#include "sprite/sprite_ptr.hpp"
+#include "supertux/moving_object.hpp"
+#include "supertux/object_remove_listener.hpp"
 
 class Player;
 
 /** This class is the base class for all objects you can interact with in some
  * way. There are several interaction types defined like touch and activate
  */
-class TriggerBase : public MovingObject
+class TriggerBase : public MovingObject,
+                    public ObjectRemoveListener
 {
 public:
   enum EventType {
-    EVENT_TOUCH, EVENT_ACTIVATE
+    EVENT_TOUCH,     /**< Object came into contact */
+    EVENT_LOSETOUCH, /**< Lost contact with object */
+    EVENT_ACTIVATE   /**< Action button pressed    */
   };
-  
+
   TriggerBase();
   ~TriggerBase();
 
   void update(float elapsed_time);
   void draw(DrawingContext& context);
   HitResponse collision(GameObject& other, const CollisionHit& hit);
-  
+
   /**
    * Receive trigger events
    */
   virtual void event(Player& player, EventType type) = 0;
 
+  /**
+   * Called by GameObject destructor of an object in losetouch_listeners
+   */
+  virtual void object_removed(GameObject* object);
+
 private:
-  Sprite* sprite;
+  SpritePtr sprite;
   bool lasthit;
   bool hit;
+
+  std::list<Player*> losetouch_listeners; /**< Players that will be informed when we lose touch with them */
+
+private:
+  TriggerBase(const TriggerBase&);
+  TriggerBase& operator=(const TriggerBase&);
 };
 
 #endif /*SUPERTUX_INTERACTIVE_OBJECT_H*/
 
+/* EOF */