Replace old active block random node modifying things with actual ActiveBlockModifiers

src/modifiedstate.h

@@ -0,0 +1,37 @@
+/*
+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
+