*Merge.

--HG--
branch : trunk

1 files changed, 18 insertions, 7 deletions

diff --git a/src/framework/GameSystem/NGrid.h b/src/framework/GameSystem/NGrid.h
index 45e05e73a1e..126703febd2 100644
--- a/src/framework/GameSystem/NGrid.h
+++ b/src/framework/GameSystem/NGrid.h
@@ -31,18 +31,26 @@
 class GridInfo
 {
 public:
-    GridInfo() : i_timer(0) {}
-    GridInfo(time_t expiry, bool unload = true ) : i_timer(expiry), i_unloadflag(unload) {}
+    GridInfo()
+        : i_timer(0), i_unloadActiveLockCount(0), i_unloadExplicitLock(false), i_unloadReferenceLock(false) {}
+    GridInfo(time_t expiry, bool unload = true )
+        : i_timer(expiry), i_unloadActiveLockCount(0), i_unloadExplicitLock(!unload), i_unloadReferenceLock(false) {}
     const TimeTracker& getTimeTracker() const { return i_timer; }
-    bool getUnloadFlag() const { return i_unloadflag; }
-    void setUnloadFlag( bool pFlag) { i_unloadflag = pFlag; }
+    bool getUnloadLock() const { return i_unloadActiveLockCount || i_unloadExplicitLock || i_unloadReferenceLock; }
+    void setUnloadExplicitLock( bool on ) { i_unloadExplicitLock = on; }
+    void setUnloadReferenceLock( bool on ) { i_unloadReferenceLock = on; }
+    void incUnloadActiveLock() { ++i_unloadActiveLockCount; }
+    void decUnloadActiveLock() { if(i_unloadActiveLockCount) --i_unloadActiveLockCount; }
+
     void setTimer(const TimeTracker& pTimer) { i_timer = pTimer; }
     void ResetTimeTracker(time_t interval) { i_timer.Reset(interval); }
     void UpdateTimeTracker(time_t diff) { i_timer.Update(diff); }
 
 private:
     TimeTracker i_timer;
-    bool i_unloadflag;
+    uint16 i_unloadActiveLockCount : 16;                    // lock from active object spawn points (prevent clone loading)
+    bool   i_unloadExplicitLock    : 1;                     // explicit manual lock or config setting
+    bool   i_unloadReferenceLock   : 1;                     // lock from instance map copy
 };
 
 typedef enum
@@ -92,8 +100,11 @@ class TRINITY_DLL_DECL NGrid
 
         GridInfo* getGridInfoRef() { return &i_GridInfo; }
         const TimeTracker& getTimeTracker() const { return i_GridInfo.getTimeTracker(); }
-        bool getUnloadFlag() const { return i_GridInfo.getUnloadFlag(); }
-        void setUnloadFlag( bool pFlag) { i_GridInfo.setUnloadFlag(pFlag); }
+        bool getUnloadLock() const { return i_GridInfo.getUnloadLock(); }
+        void setUnloadExplicitLock( bool on ) { i_GridInfo.setUnloadExplicitLock(on); }
+        void setUnloadReferenceLock( bool on ) { i_GridInfo.setUnloadReferenceLock(on); }
+        void incUnloadActiveLock() { i_GridInfo.incUnloadActiveLock(); }
+        void decUnloadActiveLock() { i_GridInfo.decUnloadActiveLock(); }
         void ResetTimeTracker(time_t interval) { i_GridInfo.ResetTimeTracker(interval); }
         void UpdateTimeTracker(time_t diff) { i_GridInfo.UpdateTimeTracker(diff); }