/*
* Umbra
* Copyright (c) 2009, 2010 Mingos, Jice
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*     * Redistributions of source code must retain the above copyright
*       notice, this list of conditions and the following disclaimer.
*     * Redistributions in binary form must reproduce the above copyright
*       notice, this list of conditions and the following disclaimer in the
*       documentation and/or other materials provided with the distribution.
*     * The names of Mingos or Jice may not be used to endorse or promote products
*       derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY MINGOS & JICE ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL MINGOS OR JICE BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/

class BspHelper : public ITCODBspCallback {
public :
	BspHelper();
	int bspDepth;
	int minRoomSize;
	bool randomRoom; 
	bool roomWalls; 			
	void createBspDungeon(TCODMap *map, TCODRandom *rng);
	// libtcod bsp callback stuff
	bool visitNode(TCODBsp *node, void *userData);
private :
	void vline(TCODMap *map,int x, int y1, int y2);
	void vline_up(TCODMap *map,int x, int y);
	void vline_down(TCODMap *map,int x, int y);
	void hline(TCODMap *map,int x1, int y, int x2);
	void hline_left(TCODMap *map,int x, int y);
	void hline_right(TCODMap *map,int x, int y);		
};