* fixed problems with too early deleted DrawObjects and one crash with GetSceneState() accessing just deleted _scene. both related to reconnect after connection closed.

src/Client/GUI/DrawObjMgr.cpp

@@ -27,6 +27,10 @@ void DrawObjMgr::Clear(void)
     {
         delete _add.next().second;
     }
+    while(_del.size())
+    {
+        _del.next();
+    }
 }
 
 void DrawObjMgr::Add(uint64 objguid, DrawObject *o)

src/Client/GUI/PseuGUI.cpp

@@ -246,6 +246,11 @@ void PseuGUI::NotifyObjectCreation(Object *o)
     domgr.Add(o->GetGUID(),d);
 }
 
+void PseuGUI::NotifyAllObjectsDeletion(void)
+{
+    domgr.Clear();
+}
+
 void PseuGUI::SetInstance(PseuInstance* in)
 {
     _instance = in;
@@ -264,22 +269,26 @@ void PseuGUI::_UpdateSceneState(void)
         {
             _scene->OnDelete();
             delete _scene;
+            _scene = NULL;
         }
         _smgr->clear();
         _guienv->clear();
 
-        _scenestate = _scenestate_new;
 
-        logdebug("PseuGUI: switched to SceneState %u", _scenestate);
 
-        switch (_scenestate)
+        logdebug("PseuGUI: switching to SceneState %u", _scenestate_new);
+
+        switch (_scenestate_new)
         {
             case SCENESTATE_GUISTART: _scene = new SceneGuiStart(this); break;
             case SCENESTATE_LOGINSCREEN: _scene = new SceneLogin(this); break;
             case SCENESTATE_WORLD: _scene = new SceneWorld(this); break;
             default: _scene = new Scene(this); // will draw nothing, just yield the gui
         }
-        _scene->SetState(_scenestate);
+        _scene->SetState(_scenestate_new);
+        // current scenestate can be set safely after scene is created and ready
+        _scenestate = _scenestate_new;
+
 
         logdebug("PseuGUI: scene created.");
     }
@@ -295,9 +304,11 @@ bool PseuGUI::SetSceneData(uint32 index, uint32 value)
 
 uint32 PseuGUI::GetSceneState(void)
 {
+    /* // not good, not threadsafe! (can crash)
     if(!_scene)
         return SCENESTATE_NOSCENE;
-    return _scene->GetState();
+    return _scene->GetState();*/
+    return _scenestate;
 }
 
 

src/Client/GUI/PseuGUI.h

@@ -15,7 +15,8 @@ enum SceneState
     SCENESTATE_NULL = 0,
     SCENESTATE_GUISTART,
     SCENESTATE_LOGINSCREEN,
-    SCENESTATE_CHARACTERSELECTION,
+    SCENESTATE_REALMSELECT,
+    SCENESTATE_CHARSELECT,
     SCENESTATE_LOADING,
     SCENESTATE_WORLD,
     SCENESTATE_NOSCENE = 0xFFFFFFFF
@@ -93,6 +94,7 @@ public:
     // interfaces to tell the gui what to draw
     void NotifyObjectDeletion(uint64 guid);
     void NotifyObjectCreation(Object *o);
+    void NotifyAllObjectsDeletion(void);
 
     // scenes
     void SetSceneState(SceneState);

src/Client/GUI/SceneWorld.cpp

@@ -261,6 +261,7 @@ void SceneWorld::OnDraw(void)
 void SceneWorld::OnDelete(void)
 {
     DEBUG(logdebug("~SceneWorld()"));
+    gui->domgr.Clear();
     //sky->drop();
 }
 

src/Client/World/ObjMgr.cpp

@@ -34,6 +34,12 @@ void ObjMgr::RemoveAll(void)
     {
         Remove(_obj.begin()->first, true);
     }
+    if(PseuGUI *gui = _instance->GetGUI())
+    {
+        // necessary that the pending-to-delete GUIDs just stored by deleting the objects above will be cleared
+        // so that newly added DrawObjects with uncleared pending-to-delete GUIDs will not get deleted again immediately.
+        gui->NotifyAllObjectsDeletion();
+    }
 }
 
 void ObjMgr::Remove(uint64 guid, bool del)
@@ -42,6 +48,8 @@ void ObjMgr::Remove(uint64 guid, bool del)
     if(o) 
     {
         o->_SetDepleted();
+        if(!del)
+            logdebug("ObjMgr: "I64FMT" '%s' -> depleted.",guid,o->GetName().c_str()); 
         PseuGUI *gui = _instance->GetGUI();
         if(gui)
             gui->NotifyObjectDeletion(guid); // we have a gui, which must delete linked DrawObject

src/Client/World/WorldSession.cpp

@@ -42,10 +42,9 @@ WorldSession::~WorldSession()
 {
     if(PseuGUI *gui = GetInstance()->GetGUI())
     {
-        if(gui->GetSceneState() == SCENESTATE_WORLD)
         gui->SetSceneState(SCENESTATE_LOGINSCREEN); // kick back to login gui
         logdebug("~WorldSession(): Waiting until world GUI is deleted");
-        while(gui->GetSceneState() == SCENESTATE_GUISTART) // .. and wait until the world gui is really deleted
+        while(gui->GetSceneState() != SCENESTATE_LOGINSCREEN) // .. and wait until the world gui is really deleted
             GetInstance()->Sleep(1);                       // (it can cause crash otherwise)
         logdebug("~WorldSession(): ... world GUI deleted, continuing to close session");
     }