map generation framework under development... not quite operational at this point.

src/mapchunk.h

@@ -0,0 +1,51 @@
+/*
+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 MAPCHUNK_HEADER
+#define MAPCHUNK_HEADER
+
+/*
+	MapChunk contains map-generation-time metadata for an area of
+	some MapSectors. (something like 64x64)
+*/
+
+class MapChunk
+{
+public:
+	MapChunk():
+		m_is_volatile(true)
+	{
+	}
+
+	/*
+		If is_volatile is true, chunk can be modified when
+		neighboring chunks are generated.
+
+		It is set to false when all the 8 neighboring chunks have
+		been generated.
+	*/
+	bool getIsVolatile(){ return m_is_volatile; }
+	void setIsVolatile(bool is){ m_is_volatile = is; }
+
+private:
+	bool m_is_volatile;
+};
+
+#endif
+