/*
 * CrossFire, A Multiplayer game for X-windows
 *
 * Copyright (C) 2005, 2006, 2007 Marc Lehmann & Crossfire+ Development Team
 * Copyright (C) 2001 Mark Wedel & Crossfire Development Team
 * Copyright (C) 1992 Frank Tore Johansen
 *
 * 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., 675 Mass Ave, Cambridge, MA 02139, USA.
 *
 * The authors can be reached via e-mail at crossfire@schmorp.de
 */

#ifndef RANDOM_MAP_H
#define RANDOM_MAP_H

struct random_map_params
{
  char wallstyle[512];
  char wall_name[512];
  char floorstyle[512];
  char monsterstyle[512];
  char treasurestyle[512];
  char layoutstyle[512];
  char doorstyle[512];
  char decorstyle[512];
  shstr origin_map;
  shstr final_map;
  char exitstyle[512];
  shstr this_map;
  char exit_on_final_map[512];
  char *custom;
        
  int xsize, ysize;
  int expand2x;
  int layoutoptions1;
  int layoutoptions2;
  int layoutoptions3;
  int symmetry;
  int difficulty;
  int difficulty_given;
  float difficulty_increase;

  int dungeon_level;
  int dungeon_depth;

  int decoroptions;
  int orientation;
  int origin_y;
  int origin_x;
  int random_seed;
  uint64_t total_map_hp;
  int map_layout_style;
  int treasureoptions;
  int symmetry_used;

  struct region *region;

  // "private", adjusted sizes
  int Xsize;
  int Ysize;
};

enum {
  LAYOUT_NONE,
  LAYOUT_ONION,
  LAYOUT_MAZE,
  LAYOUT_SPIRAL,
  LAYOUT_ROGUELIKE,
  LAYOUT_SNAKE,
  LAYOUT_SQUARE_SPIRAL,
  NROFLAYOUTS,
};

/*
 * Move these defines out of room_gen_onion.c to here, as
 * other files (like square_spiral) also uses them.

options:
0	Pick random options below
1	"centered"
2	linear doors (default is nonlinear)
4	bottom "centered"
8  bottom-right centered
16	irregularly/randomly spaced layers (default: regular)
32	outer wall off:  i.e., no outer wall.

*/

enum {
  RMOPT_RANDOM     =   0,
  RMOPT_CENTERED   =   1,
  RMOPT_LINEAR     =   2,
  RMOPT_BOTTOM_C   =   4,
  RMOPT_BOTTOM_R   =   8,
  RMOPT_IRR_SPACE  =  16,
  RMOPT_WALL_OFF   =  32,
  RMOPT_WALLS_ONLY =  64,
  RMOPT_NO_DOORS   = 256, /* Place walls insead of doors.  Produces broken map. */  
};

/* symmetry definitions--used in this file AND in treasure.c:
the numerical values matter so don't change them. */
enum {
  SYMMETRY_RANDOM,
  SYMMETRY_NONE,
  SYMMETRY_X,
  SYMMETRY_Y,
  SYMMETRY_XY,
};

#define MIN_RANDOM_MAP_SIZE 10

/*  a macro to get a strongly centered random distribution,
    from 0 to x, centered at x/2 */
#define BC_RANDOM(x) ((int) ((RANDOM() % (x)+RANDOM()%(x)+RANDOM()%(x))/3.))

#endif