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+/*
+Minetest-c55
+Copyright (C) 2010 celeron55, Perttu Ahola <celeron55@gmail.com>
+
+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.,
+51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+*/
+
+#ifndef MODIFIEDSTATE_HEADER
+#define MODIFIEDSTATE_HEADER
+
+enum ModifiedState
+{
+ // Has not been modified.
+ MOD_STATE_CLEAN = 0,
+ MOD_RESERVED1 = 1,
+ // Has been modified, and will be saved when being unloaded.
+ MOD_STATE_WRITE_AT_UNLOAD = 2,
+ MOD_RESERVED3 = 3,
+ // Has been modified, and will be saved as soon as possible.
+ MOD_STATE_WRITE_NEEDED = 4,
+ MOD_RESERVED5 = 5,
+};
+
+#endif
+