X-Git-Url: https://git.octo.it/?a=blobdiff_plain;ds=sidebyside;f=src%2Ftrigger%2Ftrigger_base.cpp;h=2c1ffb31f7955002f3cd92d170fcc01b07c64cf8;hb=1dfea219eaf49fc5756f28cfca5430847e3a3179;hp=e3c2bf1b49560299c0afb276ed04b23fdb6816ef;hpb=d62647592b4ccffa89794af6fa03faaced46999d;p=supertux.git

diff --git a/src/trigger/trigger_base.cpp b/src/trigger/trigger_base.cpp
index e3c2bf1b4..2c1ffb31f 100644
--- a/src/trigger/trigger_base.cpp
+++ b/src/trigger/trigger_base.cpp
@@ -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
@@ -14,27 +12,43 @@
 //  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>
+//  along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+#include "trigger/trigger_base.hpp"
 
-#include "trigger_base.hpp"
-#include "video/drawing_context.hpp"
 #include "object/player.hpp"
+#include "sprite/sprite.hpp"
 
-TriggerBase::TriggerBase()
-  : sprite(0)
+TriggerBase::TriggerBase() :
+  sprite(),
+  lasthit(false),
+  hit(false),
+  losetouch_listeners()
 {
   set_group(COLGROUP_TOUCHABLE);
 }
 
 TriggerBase::~TriggerBase()
 {
+  // unregister remove_listener hooks, so nobody will try to call us after we've been destroyed
+  for (std::list<Player*>::iterator i = losetouch_listeners.begin(); i != losetouch_listeners.end(); ++i) {
+    Player* p = *i;
+    p->del_remove_listener(this);
+  }
+  losetouch_listeners.clear();
 }
 
 void
 TriggerBase::update(float )
 {
+  if (lasthit && !hit) {
+    for (std::list<Player*>::iterator i = losetouch_listeners.begin(); i != losetouch_listeners.end(); ++i) {
+      Player* p = *i;
+      event(*p, EVENT_LOSETOUCH);
+      p->del_remove_listener(this);
+    }
+    losetouch_listeners.clear();
+  }
   lasthit = hit;
   hit = false;
 }
@@ -42,7 +56,7 @@ TriggerBase::update(float )
 void
 TriggerBase::draw(DrawingContext& context)
 {
-  if(!sprite)
+  if(!sprite.get())
     return;
 
   sprite->draw(context, get_pos(), LAYER_TILES+1);
@@ -54,10 +68,26 @@ TriggerBase::collision(GameObject& other, const CollisionHit& )
   Player* player = dynamic_cast<Player*> (&other);
   if(player) {
     hit = true;
-    if(!lasthit)
+    if(!lasthit) {
+      losetouch_listeners.push_back(player);
+      player->add_remove_listener(this);
       event(*player, EVENT_TOUCH);
+    }
   }
 
   return ABORT_MOVE;
 }
 
+void
+TriggerBase::object_removed(GameObject* object)
+{
+  for (std::list<Player*>::iterator i = losetouch_listeners.begin(); i != losetouch_listeners.end(); ++i) {
+    Player* p = *i;
+    if (p == object) {
+      losetouch_listeners.erase(i);
+      break;
+    }
+  }
+}
+
+/* EOF */