diff --git a/src/Client/DefScript/DefScript.cpp b/src/Client/DefScript/DefScript.cpp
index 55d3794..b3a952c 100644
--- a/src/Client/DefScript/DefScript.cpp
+++ b/src/Client/DefScript/DefScript.cpp
@@ -1163,3 +1163,12 @@ std::string DefScriptPackage::GetUnescapedVar(std::string n)
 {
     return UnescapeString(variables.Get(n));
 }
+
+bool DefScriptPackage::RunScriptIfExists(std::string name,CmdSet *pSet)
+{
+    if(ScriptExists(name))
+    {
+        return BoolRunScript(name,pSet);
+    }
+    return false;
+}
diff --git a/src/Client/DefScript/DefScript.h b/src/Client/DefScript/DefScript.h
index df9c8b6..36e194e 100644
--- a/src/Client/DefScript/DefScript.h
+++ b/src/Client/DefScript/DefScript.h
@@ -120,6 +120,7 @@ public:
 	bool LoadScriptFromFile(std::string);
     DefReturnResult RunScript(std::string name,CmdSet* pSet,std::string override_name="");
     bool BoolRunScript(std::string,CmdSet*);
+    bool RunScriptIfExists(std::string name, CmdSet *pSet = NULL);
 	unsigned int GetScriptID(std::string);
 	DefReturnResult RunSingleLine(std::string);
 	bool ScriptExists(std::string);
diff --git a/src/Client/GUI/SceneWorld.cpp b/src/Client/GUI/SceneWorld.cpp
index 4c4006a..935329d 100644
--- a/src/Client/GUI/SceneWorld.cpp
+++ b/src/Client/GUI/SceneWorld.cpp
@@ -51,6 +51,13 @@ SceneWorld::SceneWorld(PseuGUI *g) : Scene(g)
 
     MapMgr *mapmgr = g->GetInstance()->GetWSession()->GetWorld()->GetMapMgr();
 
+    if(!mapmgr)
+    {
+        logerror("SceneWorld: MapMgr not present, cant create World GUI. Switching back GUI to idle.");
+        g->SetSceneState(SCENESTATE_GUISTART);
+        return;
+    }
+
     // TODO: better to do this with some ZThread Condition or FastMutex, but dont know how to. help plz! [FG]
     if(!mapmgr->Loaded())
     {
@@ -59,6 +66,15 @@ SceneWorld::SceneWorld(PseuGUI *g) : Scene(g)
             device->sleep(50);
     }
 
+    // TODO: as soon as WMO-only worlds are implemented, remove this!!
+    if(!mapmgr->GetLoadedMapsCount())
+    {
+        logerror("SceneWorld: Error: No maps loaded, not able to draw any terrain. Switching back GUI to idle.");
+        logerror("SceneWorld: Hint: Be sure you are not in an WMO-only world (e.g. human capital city or most instances)!");
+        g->SetSceneState(SCENESTATE_GUISTART);
+        return;
+    }
+
     // something is not good here. we have terrain, but the chunks are read incorrectly.
     // need to find out where which formula is wrong
     // the current terrain renderer code is just a test to see if ADT files are read correctly.
@@ -76,19 +92,19 @@ SceneWorld::SceneWorld(PseuGUI *g) : Scene(g)
                     for(uint32 chx = 0; chx < 16; chx++)
                     {
                         MapChunk *chunk = maptile->GetChunk(chx, chy);
-                        std::stringstream ss;
-                        DEBUG(logdebug("Apply MapChunk (%u, %u)",chx,chy));
+                        //std::stringstream ss;
+                        //DEBUG(logdebug("Apply MapChunk (%u, %u)",chx,chy));
                         for(uint32 hy = 0; hy < 9; hy++)
                         {
                             for(uint32 hx = 0; hx < 9; hx++)
                             {
                                 f32 h = chunk->hmap_rough[hx * 9 + hy] + chunk->baseheight; // not sure if hx and hy are used correctly here
                                 h *= -1; // as suggested by bLuma
-                                ss.precision(3);
-                                ss << h << '\t';
+                                //ss.precision(3);
+                                //ss << h << '\t';
                                 terrain->setHeight((144 * tiley) + (9 * chx) + hx, (144  * tilex) + (9 * chy) + hy, h);
                             }
-                            ss << "\n";
+                            //ss << "\n";
                         }
                         //DEBUG(logdebug("\n%s\n",ss.str().c_str()));
                     }
diff --git a/src/Client/World/MapMgr.cpp b/src/Client/World/MapMgr.cpp
index a70a8c9..2a93e5b 100644
--- a/src/Client/World/MapMgr.cpp
+++ b/src/Client/World/MapMgr.cpp
@@ -145,6 +145,19 @@ uint32 MapMgr::GetGridCoord(float f)
     return (ZEROPOINT - f) / TILESIZE;
 }
 
+uint32 MapMgr::GetLoadedMapsCount(void)
+{
+    uint32 counter = 0;
+    for(uint32 i = 0; i < 4096; i++)
+    {
+        if(_tiles->GetTile(i))
+        {
+            counter++;
+        }
+    }
+    return counter;
+}
+
 float MapMgr::GetZ(float x, float y)
 {
     uint32 xg,yg; // MapTile IDs. Range 0..64
diff --git a/src/Client/World/MapMgr.h b/src/Client/World/MapMgr.h
index 9215a2b..48535cc 100644
--- a/src/Client/World/MapMgr.h
+++ b/src/Client/World/MapMgr.h
@@ -17,6 +17,7 @@ public:
     MapTile *GetCurrentTile(void);
     MapTile *GetNearTile(int32, int32);
     inline bool Loaded(void) { return _mapsLoaded; }
+    uint32 GetLoadedMapsCount(void);
 
 private:
     MapTileStorage *_tiles;
diff --git a/src/Client/World/Object.cpp b/src/Client/World/Object.cpp
index ac5389a..d1258b1 100644
--- a/src/Client/World/Object.cpp
+++ b/src/Client/World/Object.cpp
@@ -62,6 +62,16 @@ void WorldSession::_HandleDestroyObjectOpcode(WorldPacket& recvPacket)
     uint64 guid;
     recvPacket >> guid;
     logdebug("Destroy Object "I64FMT,guid);
+
+    // call script just before object removal
+    if(GetInstance()->GetScripts()->ScriptExists("_onobjectdelete"))
+    {
+        CmdSet Set;
+        Set.defaultarg = toString(guid);
+        Set.arg[0] = "false"; // out of range = false
+        GetInstance()->GetScripts()->RunScript("_onobjectdelete", &Set);
+    }
+
     objmgr.Remove(guid);
 }
 
diff --git a/src/Client/World/UpdateData.cpp b/src/Client/World/UpdateData.cpp
index 9b631d6..88e31bf 100644
--- a/src/Client/World/UpdateData.cpp
+++ b/src/Client/World/UpdateData.cpp
@@ -79,6 +79,7 @@ void WorldSession::_HandleUpdateObjectOpcode(WorldPacket& recvPacket)
                     {
                         logdev("- already exists, deleting old , creating new object");
                         objmgr.Remove(uguid);
+                        // do not call script here, since the object does not really get deleted
                     }
                     else
                     {
@@ -157,11 +158,18 @@ void WorldSession::_HandleUpdateObjectOpcode(WorldPacket& recvPacket)
                 // ...and ask the server for eventually missing data.
                 _QueryObjectInfo(uguid);
 
+
+                // call script "_OnObjectCreate"
+                if(GetInstance()->GetScripts()->ScriptExists("_onobjectcreate"))
+                {
+                    CmdSet Set;
+                    Set.defaultarg = toString(uguid);
+                    Set.arg[0] = toString(objtypeid);
+                    GetInstance()->GetScripts()->RunScript("_onobjectcreate", &Set);
+                }
+
                 // if our own character got finally created, we have successfully entered the world,
                 // and should have gotten all info about our char already.
-                // TODO: make called script function like "_enterworld"
-                //if(uguid==GetGuid())
-                //    _OnCharCreate();
             }
             break;
 
@@ -172,6 +180,16 @@ void WorldSession::_HandleUpdateObjectOpcode(WorldPacket& recvPacket)
                 {
                     uguid = recvPacket.GetPackedGuid(); // not 100% sure if this is correct
                     logdebug("GUID "I64FMT" out of range",uguid);
+
+                    // call script just before object removal
+                    if(GetInstance()->GetScripts()->ScriptExists("_onobjectdelete"))
+                    {
+                        CmdSet Set;
+                        Set.defaultarg = toString(uguid);
+                        Set.arg[0] = "true"; // out of range = true
+                        GetInstance()->GetScripts()->RunScript("_onobjectdelete", &Set);
+                    }
+
                     objmgr.Remove(uguid);
                 }
             }
diff --git a/src/Client/World/WorldSession.cpp b/src/Client/World/WorldSession.cpp
index c7cdd67..1a415fc 100644
--- a/src/Client/World/WorldSession.cpp
+++ b/src/Client/World/WorldSession.cpp
@@ -254,7 +254,7 @@ void WorldSession::_OnEnterWorld(void)
     {
         _logged=true;
         GetInstance()->GetScripts()->variables.Set("@inworld","true");
-        GetInstance()->GetScripts()->RunScript("_enterworld",NULL);
+        GetInstance()->GetScripts()->RunScriptIfExists("_enterworld");
 
     }
 }
@@ -264,7 +264,7 @@ void WorldSession::_OnLeaveWorld(void)
     if(InWorld())
     {
         _logged=false;
-        GetInstance()->GetScripts()->RunScript("_leaveworld",NULL);
+        GetInstance()->GetScripts()->RunScriptIfExists("_leaveworld");
         GetInstance()->GetScripts()->variables.Set("@inworld","false");
     }
 }
@@ -589,6 +589,8 @@ void WorldSession::_HandleMessageChatOpcode(WorldPacket& recvPacket)
         }
 
     }
+
+    // TODO: remove this block soon, its obsoelete and has to be done via scripting!
     if(type==CHAT_MSG_WHISPER && (!isCmd) && target_guid!=GetGuid())
     {
         GetInstance()->GetScripts()->variables.Set("@thiswhisper_name",plrname);
@@ -729,6 +731,13 @@ void WorldSession::_HandleTelePortAckOpcode(WorldPacket& recvPacket)
     SendWorldPacket(response);
     if(_world)
         _world->UpdatePos(x,y);
+
+    if(GetInstance()->GetScripts()->ScriptExists("_onteleport"))
+    {
+        CmdSet Set;
+        Set.defaultarg = "false"; // teleported to other map = false
+        GetInstance()->GetScripts()->RunScriptIfExists("_onteleport");
+    }
 }
 
 void WorldSession::_HandleNewWorldOpcode(WorldPacket& recvPacket)
@@ -747,6 +756,13 @@ void WorldSession::_HandleNewWorldOpcode(WorldPacket& recvPacket)
         delete _world;
     _world = new World(this);
     _world->UpdatePos(x,y,mapid);
+
+    if(GetInstance()->GetScripts()->ScriptExists("_onteleport"))
+    {
+        CmdSet Set;
+        Set.defaultarg = "true"; // teleported to other map = false
+        GetInstance()->GetScripts()->RunScriptIfExists("_onteleport");
+    }
 }
 
 void WorldSession::_HandleChannelNotifyOpcode(WorldPacket& recvPacket)