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/* |
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* This file is part of Deliantra, the Roguelike Realtime MMORPG. |
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* |
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* Copyright (©) 2005,2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team |
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* Copyright (©) 2001 Mark Wedel & Crossfire Development Team |
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* Copyright (©) 1992 Frank Tore Johansen |
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* |
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* Deliantra is free software: you can redistribute it and/or modify it under |
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* the terms of the Affero GNU General Public License as published by the |
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* Free Software Foundation, either version 3 of the License, or (at your |
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* option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the Affero GNU General Public License |
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* and the GNU General Public License along with this program. If not, see |
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* <http://www.gnu.org/licenses/>. |
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* |
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* The authors can be reached via e-mail to <support@deliantra.net> |
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*/ |
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|
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#ifndef RANDOM_MAP_H |
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#define RANDOM_MAP_H |
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|
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#include "util.h" |
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|
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struct random_map_params : zero_initialised |
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{ |
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char wall_name[512]; |
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|
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int xsize, ysize; |
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int expand2x; |
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int layoutoptions1; |
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int layoutoptions2; |
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int layoutoptions3; |
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int difficulty; |
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int difficulty_given; |
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float difficulty_increase; |
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|
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int dungeon_level; |
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int dungeon_depth; |
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|
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uint32_t random_seed; |
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uint64_t total_map_hp; |
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|
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HV *hv; |
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|
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shstr_tmp as_shstr () const; |
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|
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// fetch something from the options hash |
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SV *get_sv (const char *option) const; |
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const_utf8_string get_str (const char *option, const_utf8_string fallback = "") const; |
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IV get_iv (const char *option, IV fallback = 0) const; |
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UV get_uv (const char *option, UV fallback = 0) const; |
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NV get_nv (const char *option, NV fallback = 0) const; |
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|
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void set (const char *option, SV *value) const; |
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void set (const char *option, const_utf8_string value) const; |
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void set (const char *option, IV value) const; |
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void set (const char *option, UV value) const; |
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void set (const char *option, NV value) const; |
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|
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void set (const char *option, int value) const { set (option, (IV)value); } |
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|
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// "private", adjusted sizes |
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int Xsize; |
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int Ysize; |
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|
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int map_layout_style; |
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int symmetry_used; |
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|
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random_map_params (); |
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random_map_params (random_map_params *RP); |
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random_map_params (HV *hv); |
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~random_map_params (); |
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}; |
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|
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enum { |
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LAYOUT_NONE, |
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LAYOUT_ONION, |
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LAYOUT_MAZE, |
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LAYOUT_SPIRAL, |
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LAYOUT_ROGUELIKE, |
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LAYOUT_SNAKE, |
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LAYOUT_SQUARE_SPIRAL, |
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LAYOUT_CAVE, |
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LAYOUT_CASTLE, |
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LAYOUT_MULTIPLE, |
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NROFLAYOUTS, |
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}; |
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|
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/* |
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* Move these defines out of room_gen_onion.c to here, as |
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* other files (like square_spiral) also uses them. |
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|
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options: |
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0 Pick random options below |
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1 "centered" |
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2 linear doors (default is nonlinear) |
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4 bottom "centered" |
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8 bottom-right centered |
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16 irregularly/randomly spaced layers (default: regular) |
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32 outer wall off: i.e., no outer wall. |
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|
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*/ |
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|
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enum { |
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RMOPT_RANDOM = 0, |
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RMOPT_CENTERED = 1, |
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RMOPT_LINEAR = 2, |
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RMOPT_BOTTOM_C = 4, |
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RMOPT_BOTTOM_R = 8, |
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RMOPT_IRR_SPACE = 16, |
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RMOPT_WALL_OFF = 32, |
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RMOPT_WALLS_ONLY = 64, |
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RMOPT_NO_DOORS = 256, /* Place walls insead of doors. Produces broken map. */ |
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}; |
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|
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/* symmetry definitions--used in this file AND in treasure.c: |
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the numerical values matter so don't change them. */ |
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enum { |
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SYMMETRY_RANDOM, |
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SYMMETRY_NONE, |
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SYMMETRY_X, |
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SYMMETRY_Y, |
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SYMMETRY_XY, |
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}; |
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|
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// 12 has been experimentally :( determined ot be a lot more stable |
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// than 11 or 10, leading to the assumption that something inherently |
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// needs a minimum size of at least 12 |
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#define MIN_RANDOM_MAP_SIZE 12 |
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|
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// we often use signed chars for coordinates (and U8 for distances) |
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#define MAX_RANDOM_MAP_SIZE 120 |
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|
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// a simple point helper struct |
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struct point |
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{ |
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int x; |
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int y; |
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|
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point () |
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{ |
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} |
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|
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point (int x, int y) |
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: x(x), y(y) |
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{ |
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} |
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}; |
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|
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// |
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// reference |
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// |
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// \0 floor only |
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// # wall |
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// D door |
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// < entrance (traditionally up) |
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// > exit (traditionally down) |
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// C "center" (of onion maze) |
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// . ?? (rogue) |
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// |
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|
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// use this in new code |
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INTERFACE_CLASS(layout) |
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struct layout |
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{ |
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typedef char cell; |
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|
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cell **data; |
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int w, h; |
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|
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layout (int w, int h); |
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layout (layout ©); |
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|
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// reference rect in other layout - will not keep the data alive, |
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// so never swap with it's orig, or free the orig when in use. |
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layout (layout &orig, int x1, int y1, int x2, int y2); |
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|
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~layout (); |
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|
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operator cell **() const |
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{ |
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return data; |
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} |
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|
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void swap (layout &maze) |
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{ |
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::swap (maze.data, data); |
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::swap (maze.w , w ); |
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::swap (maze.h , h ); |
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::swap (maze.size, size); |
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} |
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|
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MTH void swap (layout *maze) { swap (*maze); } |
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|
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// for debugging, print maze to stdout |
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MTH void print () const; |
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|
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// simple inpainting |
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MTH void fill (char fill); |
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MTH void clear () { fill (0); } |
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MTH void border (char fill = '#'); |
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MTH void rect (int x1, int y1, int x2, int y2, char fill); // x2, y2 exclusive |
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MTH void fill_rect (int x1, int y1, int x2, int y2, char fill); // x2, y2 exclusive |
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|
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MTH void fill_rand (int perc); |
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MTH void replace (char from, char to); |
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|
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point find (char target, int mode = 0); // mode 0=random, 1=upleft, 2=upright, 3=downright, 4=downleft |
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|
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// makes sure all areas are connected |
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// perturb = 0 - very horz/vert tunnels |
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// perturb = 1 - straight but round |
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// perturb = 2 - snaky tunnels |
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MTH void isolation_remover (int perturb = 2); |
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|
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// generates a cave, subtype 0 is a rough cave, randomly open or closed |
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MTH void gen_cave (int subtype); |
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MTH void gen_castle (); // generates straightish structures |
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|
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// helper functions to modify the maze |
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MTH void erode_1_2 (int c1, int c2 = -1, int repeat = 1); |
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MTH void doorify (); |
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MTH void roomify (); // make some rooms in it, works best on onions |
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MTH void expand2x (); |
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MTH void symmetrize (int symmetry); |
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MTH void rotate (int rotation); // rotate by 1=90, 2=180, 3=270 degrees |
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|
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void generate (random_map_params *RP); |
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private: |
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int size; |
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void alloc (int w, int h); |
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}; |
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|
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// utility functions, to use rmg_rndm instead of rndm. |
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static inline int |
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rmg_find_free_spot (const object *ob, maptile *m, int x, int y, int start, int stop) |
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{ |
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swap (rmg_rndm, rndm); |
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int i = find_free_spot (ob, m, x, y, start, stop); |
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swap (rmg_rndm, rndm); |
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return i; |
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} |
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|
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// something like a vector or stack, but without |
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// out of bounds checking |
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template<typename T> |
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struct fixed_stack |
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{ |
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T *data; |
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int size; |
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int max; |
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|
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fixed_stack () |
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: size (0), data (0) |
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{ |
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} |
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|
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fixed_stack (int max) |
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: size (0), max (max) |
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{ |
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data = salloc<T> (max); |
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} |
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|
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void reset (int new_max) |
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{ |
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sfree (data, max); |
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size = 0; |
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max = new_max; |
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data = salloc<T> (max); |
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} |
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|
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void free () |
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{ |
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sfree (data, max); |
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data = 0; |
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} |
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|
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~fixed_stack () |
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{ |
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sfree (data, max); |
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} |
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|
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T &operator[](int idx) |
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{ |
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return data [idx]; |
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} |
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|
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void push (T v) |
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{ |
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data [size++] = v; |
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} |
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|
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T &pop () |
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{ |
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return data [--size]; |
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} |
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|
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T remove (int idx) |
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{ |
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T v = data [idx]; |
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|
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data [idx] = data [--size]; |
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|
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return v; |
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} |
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}; |
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|
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#endif |
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|
