[7659] Added several security checks to prevent cheating using facked packets Author: arrai

--HG--
branch : trunk

1 files changed, 17 insertions, 0 deletions

diff --git a/src/game/ObjectMgr.cpp b/src/game/ObjectMgr.cpp
index b797757a9f3..9e4c7244c58 100644
--- a/src/game/ObjectMgr.cpp
+++ b/src/game/ObjectMgr.cpp
@@ -4267,6 +4267,23 @@ void ObjectMgr::LoadInstanceTemplate()
     sLog.outString();
 }
 
+bool ObjectMgr::IsGameObjectOfTypeInRange(Player *player, uint64 guid, GameobjectTypes type) const
+{
+    if(GameObject *go = ObjectAccessor::GetGameObject(*player, guid))
+    {
+        if(go->GetGoType() == type)
+        {
+            // TODO: find out how the client calculates the maximal usage distance to spellless working
+            // gameobjects like guildbanks and mailboxes - 10.0 is a just an abitrary choosen number
+            if (go->IsWithinDistInMap(player, 10.0f))
+                return true;
+            sLog.outError("IsGameObjectOfTypeInRange: GameObject '%s' [GUID: %u] is too far away from player %s [GUID: %u] to be used by him (distance=%f, maximal 10 is allowed)", go->GetGOInfo()->name,
+                    go->GetGUIDLow(), player->GetName(), player->GetGUIDLow(), go->GetDistance(player));
+        }
+    }
+    return false;
+}
+
 GossipText const *ObjectMgr::GetGossipText(uint32 Text_ID) const
 {
     GossipTextMap::const_iterator itr = mGossipText.find(Text_ID);