Core/Entities: Move GridObject to its own header (#26358)

* GridObject

* Add include to more files

3 files changed, 21 insertions, 15 deletions

diff --git a/src/server/game/Entities/Object/GridObject.h b/src/server/game/Entities/Object/GridObject.h
new file mode 100644
index 00000000000..b0a75c3c835
--- /dev/null
+++ b/src/server/game/Entities/Object/GridObject.h
@@ -0,0 +1,20 @@
+#ifndef _GRIDOBJECT_H
+#define _GRIDOBJECT_H
+
+#include "GridReference.h"
+#include "GridRefManager.h"
+
+template<class T>
+class GridObject
+{
+    public:
+        virtual ~GridObject() { }
+
+        bool IsInGrid() const { return _gridRef.isValid(); }
+        void AddToGrid(GridRefManager<T>& m) { ASSERT(!IsInGrid()); _gridRef.link(&m, (T*)this); }
+        void RemoveFromGrid() { ASSERT(IsInGrid()); _gridRef.unlink(); }
+    private:
+        GridReference<T> _gridRef;
+};
+
+#endif
diff --git a/src/server/game/Entities/Object/Object.h b/src/server/game/Entities/Object/Object.h
index c30eadecb9a..e9a52101264 100644
--- a/src/server/game/Entities/Object/Object.h
+++ b/src/server/game/Entities/Object/Object.h
@@ -21,8 +21,6 @@
 #include "Common.h"
 #include "Duration.h"
 #include "EventProcessor.h"
-#include "GridReference.h"
-#include "GridRefManager.h"
 #include "ModelIgnoreFlags.h"
 #include "MovementInfo.h"
 #include "ObjectDefines.h"
@@ -244,19 +242,6 @@ class TC_GAME_API Object
         Object& operator=(Object const& right) = delete;
 };
 
-template<class T>
-class GridObject
-{
-    public:
-        virtual ~GridObject() { }
-
-        bool IsInGrid() const { return _gridRef.isValid(); }
-        void AddToGrid(GridRefManager<T>& m) { ASSERT(!IsInGrid()); _gridRef.link(&m, (T*)this); }
-        void RemoveFromGrid() { ASSERT(IsInGrid()); _gridRef.unlink(); }
-    private:
-        GridReference<T> _gridRef;
-};
-
 template <class T_VALUES, class T_FLAGS, class FLAG_TYPE, uint8 ARRAY_SIZE>
 class FlaggedValuesArray32
 {
diff --git a/src/server/game/Entities/Object/Updates/UpdateMask.h b/src/server/game/Entities/Object/Updates/UpdateMask.h
index ba7c9b67027..3490c5810f7 100644
--- a/src/server/game/Entities/Object/Updates/UpdateMask.h
+++ b/src/server/game/Entities/Object/Updates/UpdateMask.h
@@ -20,6 +20,7 @@
 
 #include "UpdateFields.h"
 #include "ByteBuffer.h"
+#include "Errors.h"
 
 class UpdateMask
 {