1 files changed, 72 insertions, 0 deletions
diff --git a/src/game/GridStates.h b/src/game/GridStates.h
new file mode 100644
index 00000000000..8a4e716ece4
--- /dev/null
+++ b/src/game/GridStates.h
@@ -0,0 +1,72 @@
+/*
+ * Copyright (C) 2005-2008 MaNGOS <http://www.mangosproject.org/>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+
+#ifndef MANGOS_GRIDSTATES_H
+#define MANGOS_GRIDSTATES_H
+
+#include "Map.h"
+
+class MANGOS_DLL_DECL GridState
+{
+    public:
+#ifdef MANGOS_DEBUG
+#define MAGIC_TESTVAL 0xFBE823BA
+        GridState() { i_Magic = MAGIC_TESTVAL; }
+        bool checkMagic()
+        {
+            if(i_Magic != MAGIC_TESTVAL)
+            {
+                sLog.outError("!!! GridState: Magic value gone !!!");
+                return false;
+            }
+            return true;
+        }
+        void setMagic() { i_Magic = MAGIC_TESTVAL; }
+        unsigned int i_Magic;
+#endif
+        virtual void Update(Map &, NGridType&, GridInfo &, const uint32 &x, const uint32 &y, const uint32 &t_diff) const = 0;
+};
+
+class MANGOS_DLL_DECL InvalidState : public GridState
+{
+    public:
+
+        void Update(Map &, NGridType &, GridInfo &, const uint32 &x, const uint32 &y, const uint32 &t_diff) const;
+};
+
+class MANGOS_DLL_DECL ActiveState : public GridState
+{
+    public:
+
+        void Update(Map &, NGridType &, GridInfo &, const uint32 &x, const uint32 &y, const uint32 &t_diff) const;
+};
+
+class MANGOS_DLL_DECL IdleState : public GridState
+{
+    public:
+
+        void Update(Map &, NGridType &, GridInfo &, const uint32 &x, const uint32 &y, const uint32 &t_diff) const;
+};
+
+class MANGOS_DLL_DECL RemovalState : public GridState
+{
+    public:
+
+        void Update(Map &, NGridType &, GridInfo &, const uint32 &x, const uint32 &y, const uint32 &t_diff) const;
+};
+#endif