Core/Gameobject: Respect cooldown for trap and goober gameobjects.

Original patch by VladimirMangos

src/server/game/Entities/GameObject/GameObject.cpp

@@ -451,7 +451,7 @@ void GameObject::Update(uint32 diff)
                         if (goInfo->trap.spellId)
                             CastSpell(ok, goInfo->trap.spellId);
 
-                        m_cooldownTime = time(NULL) + 4;        // 4 seconds
+                        m_cooldownTime = time(NULL) + goInfo->trap.cooldown ? goInfo->trap.cooldown :  uint32(4);   // template or 4 seconds
 
                         if (owner)  // || goInfo->trap.charges == 1)
                             SetLootState(GO_JUST_DEACTIVATED);
@@ -1048,7 +1048,16 @@ void GameObject::Use(Unit* user)
         AI()->GossipHello(playerUser);
     }
 
-    switch(GetGoType())
+    // If cooldown data present in template
+    if (uint32 cooldown = GetGOInfo()->GetCooldown())
+    {
+        if (m_cooldownTime > sWorld->GetGameTime())
+            return;
+
+        m_cooldownTime = sWorld->GetGameTime() + cooldown;
+    }
+
+    switch (GetGoType())
     {
         case GAMEOBJECT_TYPE_DOOR:                          //0
         case GAMEOBJECT_TYPE_BUTTON:                        //1

src/server/game/Entities/GameObject/GameObject.h

@@ -495,6 +495,7 @@ struct GameObjectInfo
             default: return 0;
         }
     }
+
     uint32 GetGossipMenuId() const
     {
         switch(type)
@@ -504,6 +505,7 @@ struct GameObjectInfo
             default: return 0;
         }
     }
+
     uint32 GetEventScriptId() const
     {
         switch(type)
@@ -514,6 +516,16 @@ struct GameObjectInfo
             default: return 0;
         }
     }
+
+    uint32 GetCooldown() const                              // Cooldown preventing goober and traps to cast spell
+    {
+        switch (type)
+        {
+            case GAMEOBJECT_TYPE_TRAP:        return trap.cooldown;
+            case GAMEOBJECT_TYPE_GOOBER:      return goober.cooldown;
+            default: return 0;
+        }
+    }
 };
 
 class OPvPCapturePoint;