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Comparing deliantra/server/random_maps/random_map.C (file contents):
Revision 1.30 by root, Sun Jul 1 05:00:19 2007 UTC vs.
Revision 1.73 by root, Sun Aug 22 20:23:06 2010 UTC

1/* 1/*
2 * This file is part of Crossfire TRT, the Roguelike Realtime MORPG. 2 * This file is part of Deliantra, the Roguelike Realtime MMORPG.
3 * 3 *
4 * Copyright (©) 2005,2006,2007 Marc Alexander Lehmann / Robin Redeker / the Crossfire TRT team 4 * Copyright (©) 2005,2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
5 * Copyright (©) 2001,2007 Mark Wedel & Crossfire Development Team 5 * Copyright (©) 2001 Mark Wedel & Crossfire Development Team
6 * Copyright (©) 1992,2007 Frank Tore Johansen 6 * Copyright (©) 1992 Frank Tore Johansen
7 * 7 *
8 * Crossfire TRT is free software: you can redistribute it and/or modify 8 * Deliantra is free software: you can redistribute it and/or modify it under
9 * it under the terms of the GNU General Public License as published by 9 * the terms of the Affero GNU General Public License as published by the
10 * the Free Software Foundation, either version 3 of the License, or 10 * Free Software Foundation, either version 3 of the License, or (at your
11 * (at your option) any later version. 11 * option) any later version.
12 * 12 *
13 * This program is distributed in the hope that it will be useful, 13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of 14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details. 16 * GNU General Public License for more details.
17 * 17 *
18 * You should have received a copy of the GNU General Public License 18 * You should have received a copy of the Affero GNU General Public License
19 * along with this program. If not, see <http://www.gnu.org/licenses/>. 19 * and the GNU General Public License along with this program. If not, see
20 * <http://www.gnu.org/licenses/>.
20 * 21 *
21 * The authors can be reached via e-mail to <crossfire@schmorp.de> 22 * The authors can be reached via e-mail to <support@deliantra.net>
22 */ 23 */
23 24
24#include <time.h> 25#include <time.h>
25#include <stdio.h> 26#include <stdio.h>
26#include <global.h> 27#include <global.h>
27#include <maze_gen.h>
28#include <room_gen.h> 28#include <rmg.h>
29#include <random_map.h>
30#include <rproto.h> 29#include <rproto.h>
31#include <sproto.h> 30#include <sproto.h>
32 31
33#define CEDE coroapi::cede_to_tick (); rndm.seed (RP->random_seed + __LINE__); 32#define CEDE coroapi::cede_to_tick ()
33
34random_map_params::random_map_params ()
35{
36 hv = newHV ();
37}
38
39random_map_params::random_map_params (random_map_params *RP)
40{
41 *this = *RP;
42
43 HV *copy = newHV ();
44
45 hv_iterinit (hv);
46
47 // does not work for utf-8 keys
48 while (HE *he = hv_iternext (hv))
49 {
50 STRLEN klen; const char *key = HePV (he, klen);
51 hv_store (copy, key, klen, newSVsv (HeVAL (he)), HeHASH (he));
52 }
53
54 hv = copy;
55}
56
57random_map_params::random_map_params (HV *hv)
58{
59 this->hv = (HV *)SvREFCNT_inc_NN ((SV *)hv);
60
61 assign (wall_name, get_str ("wall_name"));
62
63 xsize = get_iv ("xsize");
64 ysize = get_iv ("ysize");
65 expand2x = get_iv ("expand2x");
66 layoutoptions1 = get_iv ("layoutoptions1");
67 layoutoptions2 = get_iv ("layoutoptions2");
68 layoutoptions3 = get_iv ("layoutoptions3");
69 difficulty = get_iv ("difficulty");
70 difficulty_given = get_iv ("difficulty_given");
71 difficulty_increase = get_nv ("difficulty_increase");
72 dungeon_level = get_iv ("dungeon_level");
73 dungeon_depth = get_iv ("dungeon_depth");
74 random_seed = get_uv ("random_seed");
75 total_map_hp = get_nv ("total_map_hp"); // actually val64, but I am too lazy
76 symmetry_used = get_iv ("symmetry_used");
77}
78
79random_map_params::~random_map_params ()
80{
81 SvREFCNT_dec (hv);
82}
83
84shstr_tmp
85random_map_params::as_shstr () const
86{
87 set ("xsize" , xsize);
88 set ("ysize" , ysize);
89 set ("layoutoptions1" , layoutoptions1);
90 set ("layoutoptions2" , layoutoptions2);
91 set ("layoutoptions3" , layoutoptions3);
92 set ("dungeon_depth" , dungeon_depth);
93 set ("random_seed" , (UV)random_seed);
94 set ("difficulty" , difficulty && difficulty_given ? difficulty : 0);
95 set ("difficulty_increase", difficulty_increase);
96 set ("dungeon_level" , dungeon_level);
97
98 dynbuf_text buf;
99 hv_iterinit (hv);
100
101 // does not work for utf-8 keys
102 while (HE *he = hv_iternext (hv))
103 {
104 STRLEN klen; const char *key = HePV (he, klen);
105 STRLEN vlen; const char *value = SvPVutf8 (HeVAL (he), vlen);
106
107 buf.fadd (key, klen);
108 buf << ' ';
109 buf.fadd (value, vlen);
110 buf << '\n';
111 }
112
113 return shstr (buf);
114}
115
116noinline SV *
117random_map_params::get_sv (const char *option) const
118{
119 SV **he = hv_fetch (hv, option, strlen (option), 0);
120
121 return he ? *he : 0;
122}
123
124noinline const_utf8_string
125random_map_params::get_str (const char *option, const_utf8_string fallback) const
126{
127 SV *sv = get_sv (option);
128 return sv ? cfSvPVutf8_nolen (sv) : fallback;
129}
130
131noinline IV
132random_map_params::get_iv (const char *option, IV fallback) const
133{
134 SV *sv = get_sv (option);
135 return sv ? SvIV (sv) : fallback;
136}
137
138noinline UV
139random_map_params::get_uv (const char *option, UV fallback) const
140{
141 SV *sv = get_sv (option);
142 return sv ? SvUV (sv) : fallback;
143}
144
145noinline NV
146random_map_params::get_nv (const char *option, NV fallback) const
147{
148 SV *sv = get_sv (option);
149 return sv ? SvNV (sv) : fallback;
150}
151
152noinline void
153random_map_params::set (const char *option, SV *value) const
154{
155 int len = strlen (option);
156
157 if (value)
158 hv_store (hv, option, len, value, 0);
159 else
160 hv_delete (hv, option, len, G_DISCARD);
161}
162
163noinline void
164random_map_params::set (const char *option, const_utf8_string value) const
165{
166 set (option, value && *value ? newSVpvn_utf8 (value, strlen (value), 1) : 0);
167}
34 168
35void 169void
36dump_layout (char **layout, random_map_params *RP) 170random_map_params::set (const char *option, IV value) const
37{ 171{
38 { 172 set (option, newSViv (value));
39 int i, j; 173}
40 174
41 for (i = 0; i < RP->Xsize; i++) 175void
42 { 176random_map_params::set (const char *option, UV value) const
43 for (j = 0; j < RP->Ysize; j++) 177{
44 { 178 set (option, newSVuv (value));
45 if (layout[i][j] == 0) 179}
46 layout[i][j] = ' '; 180
47 printf ("%c", layout[i][j]); 181void
48 if (layout[i][j] == ' ') 182random_map_params::set (const char *option, NV value) const
49 layout[i][j] = 0; 183{
50 } 184 set (option, newSVnv (value));
51 printf ("\n");
52 }
53 }
54 printf ("\n");
55} 185}
56 186
57bool 187bool
58maptile::generate_random_map (random_map_params *RP) 188maptile::generate_random_map (random_map_params *RP)
59{ 189{
60 char **layout, buf[16384];
61 int i;
62
63 RP->Xsize = RP->xsize; 190 RP->Xsize = RP->xsize;
64 RP->Ysize = RP->ysize; 191 RP->Ysize = RP->ysize;
192
193 max_it (RP->dungeon_level, 1);
65 194
66 /* pick a random seed, or use the one from the input file */ 195 /* pick a random seed, or use the one from the input file */
67 RP->random_seed = RP->random_seed 196 RP->random_seed = RP->random_seed
68 ? RP->random_seed + RP->dungeon_level 197 ? RP->random_seed + RP->dungeon_level
69 : time (0); 198 : pticks;
70 CEDE;
71 199
72 write_map_parameters_to_string (buf, RP); 200 // we run "single-threaded"
201 rmg_rndm.seed (RP->random_seed);
202
203 shstr buf = RP->as_shstr ();
73 204
74 if (RP->difficulty == 0) 205 if (RP->difficulty == 0)
75 { 206 {
76 RP->difficulty = RP->dungeon_level; /* use this instead of a map difficulty */ 207 RP->difficulty = RP->dungeon_level; /* use this instead of a map difficulty */
77 208
78 if (RP->difficulty_increase > 0.001) 209 if (RP->difficulty_increase > 0.001f)
79 RP->difficulty = (int) ((float) RP->dungeon_level * RP->difficulty_increase); 210 RP->difficulty = RP->dungeon_level * RP->difficulty_increase;
80 211
81 if (RP->difficulty < 1) 212 if (RP->difficulty < 1)
82 RP->difficulty = 1; 213 RP->difficulty = 1;
83 } 214 }
84 else 215 else
85 RP->difficulty_given = 1; 216 RP->difficulty_given = 1;
86 217
87 if (RP->Xsize < MIN_RANDOM_MAP_SIZE) 218 if (RP->Xsize < MIN_RANDOM_MAP_SIZE)
88 RP->Xsize = MIN_RANDOM_MAP_SIZE + rndm (25) + 5; 219 RP->Xsize = MIN_RANDOM_MAP_SIZE + rmg_rndm (25) + 5;
89 220
90 if (RP->Ysize < MIN_RANDOM_MAP_SIZE) 221 if (RP->Ysize < MIN_RANDOM_MAP_SIZE)
91 RP->Ysize = MIN_RANDOM_MAP_SIZE + rndm (25) + 5; 222 RP->Ysize = MIN_RANDOM_MAP_SIZE + rmg_rndm (25) + 5;
92 223
224 min_it (RP->Xsize, MAX_RANDOM_MAP_SIZE);
225 min_it (RP->Ysize, MAX_RANDOM_MAP_SIZE);
226
227 int symmetry = RP->get_iv ("symmetry", SYMMETRY_NONE);
228
93 if (RP->symmetry == SYMMETRY_RANDOM) 229 if (symmetry == SYMMETRY_RANDOM)
94 RP->symmetry_used = rndm (SYMMETRY_XY) + 1; 230 RP->symmetry_used = rmg_rndm (SYMMETRY_XY) + 1;
95 else 231 else
96 RP->symmetry_used = RP->symmetry; 232 RP->symmetry_used = symmetry;
97 233
98 if (RP->symmetry_used == SYMMETRY_Y || RP->symmetry_used == SYMMETRY_XY) 234 if (RP->symmetry_used == SYMMETRY_Y || RP->symmetry_used == SYMMETRY_XY)
99 RP->Ysize = RP->Ysize / 2 + 1; 235 RP->Ysize = RP->Ysize / 2 + 1;
100 236
101 if (RP->symmetry_used == SYMMETRY_X || RP->symmetry_used == SYMMETRY_XY) 237 if (RP->symmetry_used == SYMMETRY_X || RP->symmetry_used == SYMMETRY_XY)
… …
105 { 241 {
106 RP->Xsize /= 2; 242 RP->Xsize /= 2;
107 RP->Ysize /= 2; 243 RP->Ysize /= 2;
108 } 244 }
109 245
110 RP->map_layout_style = LAYOUT_NONE; 246 const char *layoutstyle = RP->get_str ("layoutstyle", "");
111 247
112 /* Redo this - there was a lot of redundant code of checking for preset
113 * layout style and then random layout style. Instead, figure out
114 * the numeric layoutstyle, so there is only one area that actually
115 * calls the code to make the maps.
116 */
117 if (strstr (RP->layoutstyle, "onion")) 248 if (strstr (layoutstyle, "onion"))
118 RP->map_layout_style = LAYOUT_ONION; 249 RP->map_layout_style = LAYOUT_ONION;
119
120 if (strstr (RP->layoutstyle, "maze")) 250 else if (strstr (layoutstyle, "maze"))
121 RP->map_layout_style = LAYOUT_MAZE; 251 RP->map_layout_style = LAYOUT_MAZE;
122
123 if (strstr (RP->layoutstyle, "spiral")) 252 else if (strstr (layoutstyle, "spiral"))
124 RP->map_layout_style = LAYOUT_SPIRAL; 253 RP->map_layout_style = LAYOUT_SPIRAL;
125
126 if (strstr (RP->layoutstyle, "rogue")) 254 else if (strstr (layoutstyle, "rogue"))
127 RP->map_layout_style = LAYOUT_ROGUELIKE; 255 RP->map_layout_style = LAYOUT_ROGUELIKE;
128
129 if (strstr (RP->layoutstyle, "snake")) 256 else if (strstr (layoutstyle, "snake"))
130 RP->map_layout_style = LAYOUT_SNAKE; 257 RP->map_layout_style = LAYOUT_SNAKE;
131
132 if (strstr (RP->layoutstyle, "squarespiral")) 258 else if (strstr (layoutstyle, "squarespiral"))
133 RP->map_layout_style = LAYOUT_SQUARE_SPIRAL; 259 RP->map_layout_style = LAYOUT_SQUARE_SPIRAL;
134 260 else if (strstr (layoutstyle, "cave"))
135 /* No style found - choose one randomly */
136 if (RP->map_layout_style == LAYOUT_NONE) 261 RP->map_layout_style = LAYOUT_CAVE;
137 RP->map_layout_style = rndm (NROFLAYOUTS - 1) + 1; 262 else if (strstr (layoutstyle, "castle"))
263 RP->map_layout_style = LAYOUT_CASTLE;
264 else if (strstr (layoutstyle, "multiple"))
265 RP->map_layout_style = LAYOUT_MULTIPLE;
266 else
267 RP->map_layout_style = rmg_rndm (NROFLAYOUTS - 1) + 1; /* No style found - choose one randomly */
138 268
139 layout = layoutgen (RP); 269 layout maze (RP->Xsize, RP->Ysize);
270 maze.generate (RP);
140 271
141#ifdef RMAP_DEBUG 272 if (RP->get_iv ("rotate", 1))
142 dump_layout (layout, RP); 273 maze.rotate (rmg_rndm (4));
274
275 maze.symmetrize (RP->symmetry_used);
276
277 if (RP->expand2x)
278 maze.expand2x ();
279
280#if 0
281 maze.print ();//D
143#endif 282#endif
144 283
145 /* increment these for the current map */ 284 /* increment these for the current map */
146 RP->dungeon_level += 1; 285 ++RP->dungeon_level;
147 /* allow constant-difficulty maps. */
148 /* difficulty+=1; */
149 286
150 /* rotate the layout randomly */ 287 // need to patch RP becasue following code doesn't use the layout object
151 layout = rotate_layout (layout, rndm (4), RP); 288 RP->Xsize = maze.w;
152#ifdef RMAP_DEBUG 289 RP->Ysize = maze.h;
153 dump_layout (layout, RP);
154#endif
155 290
156 /* allocate the map and set the floor */ 291 /* allocate the map and set the floor */
157 make_map_floor (layout, RP->floorstyle, RP); 292 make_map_floor (maze, RP->get_str ("floorstyle", ""), RP);
158 293
159 /* set region */ 294 /* set region */
160 default_region = RP->region; 295 default_region = region::find (RP->get_str ("region", 0));
161 296
162 CEDE; 297 CEDE;
298
299 place_specials_in_map (this, maze, RP);
300
301 CEDE;
302
303 const char *wallstyle = RP->get_str ("wallstyle", "");
163 304
164 /* create walls unless the wallstyle is "none" */ 305 /* create walls unless the wallstyle is "none" */
165 if (strcmp (RP->wallstyle, "none")) 306 if (strcmp (wallstyle, "none"))
166 { 307 {
167 make_map_walls (this, layout, RP->wallstyle, RP); 308 make_map_walls (this, maze, wallstyle, RP->get_str ("miningstyle", ""), RP);
309
310 const char *doorstyle = RP->get_str ("doorstyle", "");
168 311
169 /* place doors unless doorstyle or wallstyle is "none" */ 312 /* place doors unless doorstyle or wallstyle is "none" */
170 if (strcmp (RP->doorstyle, "none")) 313 if (strcmp (doorstyle, "none"))
171 put_doors (this, layout, RP->doorstyle, RP); 314 put_doors (this, maze, doorstyle, RP);
172 } 315 }
173 316
174 CEDE; 317 CEDE;
318
319 const char *exitstyle = RP->get_str ("exitstyle", "");
175 320
176 /* create exits unless the exitstyle is "none" */ 321 /* create exits unless the exitstyle is "none" */
177 if (strcmp (RP->exitstyle, "none")) 322 if (strcmp (exitstyle, "none"))
178 place_exits (this, layout, RP->exitstyle, RP->orientation, RP); 323 place_exits (this, maze, exitstyle, RP->get_iv ("orientation", 0), RP);
179 324
180 CEDE; 325 CEDE;
181 326
182 place_specials_in_map (this, layout, RP); 327 const char *monsterstyle = RP->get_str ("monsterstyle", "");
183
184 CEDE;
185 328
186 /* create monsters unless the monsterstyle is "none" */ 329 /* create monsters unless the monsterstyle is "none" */
187 if (strcmp (RP->monsterstyle, "none")) 330 if (strcmp (monsterstyle, "none"))
188 place_monsters (this, RP->monsterstyle, RP->difficulty, RP); 331 place_monsters (this, monsterstyle, RP->difficulty, RP);
189 332
190 CEDE; 333 CEDE;
191 334
192 /* treasures needs to have a proper difficulty set for the map. */ 335 /* treasures needs to have a proper difficulty set for the map. */
193 difficulty = estimate_difficulty (); 336 difficulty = estimate_difficulty ();
194 337
195 CEDE; 338 CEDE;
196 339
340 const char *treasurestyle = RP->get_str ("treasurestyle", "");
341
197 /* create treasure unless the treasurestyle is "none" */ 342 /* create treasure unless the treasurestyle is "none" */
198 if (strcmp (RP->treasurestyle, "none"))
199 place_treasure (this, layout, RP->treasurestyle, RP->treasureoptions, RP); 343 place_treasure (this, maze, treasurestyle, RP->get_iv ("treasureoptions"), RP);
200 344
201 CEDE; 345 CEDE;
346
347 const char *decorstyle = RP->get_str ("treasurestyle", "");
202 348
203 /* create decor unless the decorstyle is "none" */ 349 /* create decor unless the decorstyle is "none" */
204 if (strcmp (RP->decorstyle, "none")) 350 if (strcmp (decorstyle, "none"))
205 put_decor (this, layout, RP->decorstyle, RP->decoroptions, RP); 351 put_decor (this, maze, decorstyle, RP->get_iv ("decoroptions"), RP);
206 352
207 CEDE; 353 CEDE;
208 354
209 /* generate treasures, etc. */ 355 /* generate treasures, etc. */
210 fix_auto_apply (); 356 fix_auto_apply ();
211 357
212 CEDE; 358 CEDE;
213 359
214 unblock_exits (this, layout, RP); 360 unblock_exits (this, maze);
215 361
216 /* free the layout */ 362 msg = buf;
217 for (i = 0; i < RP->Xsize; i++)
218 free (layout[i]);
219
220 free (layout);
221
222 msg = strdup (buf);
223 in_memory = MAP_IN_MEMORY; 363 in_memory = MAP_ACTIVE;
224 364
225 CEDE; 365 CEDE;
226 366
227 return 1; 367 return 1;
228} 368}
229 369
230/* function selects the layout function and gives it whatever
231 arguments it needs. */
232char **
233layoutgen (random_map_params *RP)
234{
235 char **maze = 0;
236 int oxsize = RP->Xsize, oysize = RP->Ysize;
237
238 switch (RP->map_layout_style)
239 {
240 case LAYOUT_ONION:
241 maze = map_gen_onion (RP->Xsize, RP->Ysize, RP->layoutoptions1, RP->layoutoptions2);
242 if (!(rndm (3)) && !(RP->layoutoptions1 & RMOPT_WALLS_ONLY))
243 roomify_layout (maze, RP);
244 break;
245
246 case LAYOUT_MAZE:
247 maze = maze_gen (RP->Xsize, RP->Ysize, rndm (2));
248 if (!(rndm (2)))
249 doorify_layout (maze, RP);
250 break;
251
252 case LAYOUT_SPIRAL:
253 maze = map_gen_spiral (RP->Xsize, RP->Ysize, RP->layoutoptions1);
254 if (!(rndm (2)))
255 doorify_layout (maze, RP);
256 break;
257
258 case LAYOUT_ROGUELIKE:
259 /* Don't put symmetry in rogue maps. There isn't much reason to
260 * do so in the first place (doesn't make it any more interesting),
261 * but more importantly, the symmetry code presumes we are symmetrizing
262 * spirals, or maps with lots of passages - making a symmetric rogue
263 * map fails because its likely that the passages the symmetry process
264 * creates may not connect the rooms.
265 */
266 RP->symmetry_used = SYMMETRY_NONE;
267 RP->Ysize = oysize;
268 RP->Xsize = oxsize;
269 maze = roguelike_layout_gen (RP->Xsize, RP->Ysize, RP->layoutoptions1);
270 /* no doorifying... done already */
271 break;
272
273 case LAYOUT_SNAKE:
274 maze = make_snake_layout (RP->Xsize, RP->Ysize, RP->layoutoptions1);
275 if (rndm (2))
276 roomify_layout (maze, RP);
277 break;
278
279 case LAYOUT_SQUARE_SPIRAL:
280 maze = make_square_spiral_layout (RP->Xsize, RP->Ysize, RP->layoutoptions1);
281 if (rndm (2))
282 roomify_layout (maze, RP);
283 break;
284 }
285
286 maze = symmetrize_layout (maze, RP->symmetry_used, RP);
287
288#ifdef RMAP_DEBUG
289 dump_layout (maze, RP);
290#endif
291
292 if (RP->expand2x)
293 {
294 maze = expand2x (maze, RP->Xsize, RP->Ysize);
295 RP->Xsize = RP->Xsize * 2 - 1;
296 RP->Ysize = RP->Ysize * 2 - 1;
297 }
298
299 return maze;
300}
301
302/* takes a map and makes it symmetric: adjusts Xsize and
303Ysize to produce a symmetric map. */
304char **
305symmetrize_layout (char **maze, int sym, random_map_params *RP)
306{
307 int i, j;
308 char **sym_maze;
309 int Xsize_orig, Ysize_orig;
310
311 Xsize_orig = RP->Xsize;
312 Ysize_orig = RP->Ysize;
313 RP->symmetry_used = sym; /* tell everyone else what sort of symmetry is used. */
314 if (sym == SYMMETRY_NONE)
315 {
316 RP->Xsize = Xsize_orig;
317 RP->Ysize = Ysize_orig;
318 return maze;
319 }
320 /* pick new sizes */
321 RP->Xsize = ((sym == SYMMETRY_X || sym == SYMMETRY_XY) ? RP->Xsize * 2 - 3 : RP->Xsize);
322 RP->Ysize = ((sym == SYMMETRY_Y || sym == SYMMETRY_XY) ? RP->Ysize * 2 - 3 : RP->Ysize);
323
324 sym_maze = (char **) calloc (sizeof (char *), RP->Xsize);
325 for (i = 0; i < RP->Xsize; i++)
326 sym_maze[i] = (char *) calloc (sizeof (char), RP->Ysize);
327
328 if (sym == SYMMETRY_X)
329 for (i = 0; i < RP->Xsize / 2 + 1; i++)
330 for (j = 0; j < RP->Ysize; j++)
331 {
332 sym_maze[i][j] = maze[i][j];
333 sym_maze[RP->Xsize - i - 1][j] = maze[i][j];
334 };
335 if (sym == SYMMETRY_Y)
336 for (i = 0; i < RP->Xsize; i++)
337 for (j = 0; j < RP->Ysize / 2 + 1; j++)
338 {
339 sym_maze[i][j] = maze[i][j];
340 sym_maze[i][RP->Ysize - j - 1] = maze[i][j];
341 }
342 if (sym == SYMMETRY_XY)
343 for (i = 0; i < RP->Xsize / 2 + 1; i++)
344 for (j = 0; j < RP->Ysize / 2 + 1; j++)
345 {
346 sym_maze[i][j] = maze[i][j];
347 sym_maze[i][RP->Ysize - j - 1] = maze[i][j];
348 sym_maze[RP->Xsize - i - 1][j] = maze[i][j];
349 sym_maze[RP->Xsize - i - 1][RP->Ysize - j - 1] = maze[i][j];
350 }
351 /* delete the old maze */
352 for (i = 0; i < Xsize_orig; i++)
353 free (maze[i]);
354 free (maze);
355 /* reconnect disjointed spirals */
356 if (RP->map_layout_style == LAYOUT_SPIRAL)
357 connect_spirals (RP->Xsize, RP->Ysize, sym, sym_maze);
358 /* reconnect disjointed nethackmazes: the routine for
359 spirals will do the trick? */
360 if (RP->map_layout_style == LAYOUT_ROGUELIKE)
361 connect_spirals (RP->Xsize, RP->Ysize, sym, sym_maze);
362
363 return sym_maze;
364}
365
366
367/* takes a map and rotates it. This completes the
368 onion layouts, making them possibly centered on any wall.
369 It'll modify Xsize and Ysize if they're swapped.
370*/
371
372char **
373rotate_layout (char **maze, int rotation, random_map_params *RP)
374{
375 char **new_maze;
376 int i, j;
377
378 switch (rotation)
379 {
380 case 0:
381 return maze;
382 break;
383 case 2: /* a reflection */
384 {
385 char *newmaze = (char *) malloc (sizeof (char) * RP->Xsize * RP->Ysize);
386
387 for (i = 0; i < RP->Xsize; i++)
388 { /* make a copy */
389 for (j = 0; j < RP->Ysize; j++)
390 {
391 newmaze[i * RP->Ysize + j] = maze[i][j];
392 }
393 }
394 for (i = 0; i < RP->Xsize; i++)
395 { /* copy a reflection back */
396 for (j = 0; j < RP->Ysize; j++)
397 {
398 maze[i][j] = newmaze[(RP->Xsize - i - 1) * RP->Ysize + RP->Ysize - j - 1];
399 }
400 }
401 free (newmaze);
402 return maze;
403 break;
404 }
405 case 1:
406 case 3:
407 {
408 int swap;
409 new_maze = (char **) calloc (sizeof (char *), RP->Ysize);
410 for (i = 0; i < RP->Ysize; i++)
411 {
412 new_maze[i] = (char *) calloc (sizeof (char), RP->Xsize);
413 }
414 if (rotation == 1) /* swap x and y */
415 for (i = 0; i < RP->Xsize; i++)
416 for (j = 0; j < RP->Ysize; j++)
417 new_maze[j][i] = maze[i][j];
418
419 if (rotation == 3)
420 { /* swap x and y */
421 for (i = 0; i < RP->Xsize; i++)
422 for (j = 0; j < RP->Ysize; j++)
423 new_maze[j][i] = maze[RP->Xsize - i - 1][RP->Ysize - j - 1];
424 }
425
426 /* delete the old layout */
427 for (i = 0; i < RP->Xsize; i++)
428 free (maze[i]);
429 free (maze);
430
431 swap = RP->Ysize;
432 RP->Ysize = RP->Xsize;
433 RP->Xsize = swap;
434 return new_maze;
435 break;
436 }
437 }
438 return NULL;
439}
440
441/* take a layout and make some rooms in it.
442 --works best on onions.*/
443void
444roomify_layout (char **maze, random_map_params *RP)
445{
446 int tries = RP->Xsize * RP->Ysize / 30;
447 int ti;
448
449 for (ti = 0; ti < tries; ti++)
450 {
451 int dx, dy; /* starting location for looking at creating a door */
452 int cx, cy; /* results of checking on creating walls. */
453
454 dx = rndm (RP->Xsize);
455 dy = rndm (RP->Ysize);
456
457 cx = can_make_wall (maze, dx, dy, 0, RP); /* horizontal */
458 cy = can_make_wall (maze, dx, dy, 1, RP); /* vertical */
459 if (cx == -1)
460 {
461 if (cy != -1)
462 make_wall (maze, dx, dy, 1);
463
464 continue;
465 }
466
467 if (cy == -1)
468 {
469 make_wall (maze, dx, dy, 0);
470 continue;
471 }
472
473 if (cx < cy)
474 make_wall (maze, dx, dy, 0);
475 else
476 make_wall (maze, dx, dy, 1);
477 }
478}
479
480/* checks the layout to see if I can stick a horizontal(dir = 0) wall
481 (or vertical, dir == 1)
482 here which ends up on other walls sensibly. */
483
484int
485can_make_wall (char **maze, int dx, int dy, int dir, random_map_params *RP)
486{
487 int i1;
488 int length = 0;
489
490 /* dont make walls if we're on the edge. */
491 if (dx == 0 || dx == (RP->Xsize - 1) || dy == 0 || dy == (RP->Ysize - 1))
492 return -1;
493
494 /* don't make walls if we're ON a wall. */
495 if (maze[dx][dy] != 0)
496 return -1;
497
498 if (dir == 0) /* horizontal */
499 {
500 int y = dy;
501
502 for (i1 = dx - 1; i1 > 0; i1--)
503 {
504 int sindex = surround_flag2 (maze, i1, y, RP);
505
506 if (sindex == 1)
507 break;
508 if (sindex != 0)
509 return -1; /* can't make horiz. wall here */
510 if (maze[i1][y] != 0)
511 return -1; /* can't make horiz. wall here */
512 length++;
513 }
514
515 for (i1 = dx + 1; i1 < RP->Xsize - 1; i1++)
516 {
517 int sindex = surround_flag2 (maze, i1, y, RP);
518
519 if (sindex == 2)
520 break;
521 if (sindex != 0)
522 return -1; /* can't make horiz. wall here */
523 if (maze[i1][y] != 0)
524 return -1; /* can't make horiz. wall here */
525 length++;
526 }
527 return length;
528 }
529 else
530 { /* vertical */
531 int x = dx;
532
533 for (i1 = dy - 1; i1 > 0; i1--)
534 {
535 int sindex = surround_flag2 (maze, x, i1, RP);
536
537 if (sindex == 4)
538 break;
539 if (sindex != 0)
540 return -1; /* can't make vert. wall here */
541 if (maze[x][i1] != 0)
542 return -1; /* can't make horiz. wall here */
543 length++;
544 }
545
546 for (i1 = dy + 1; i1 < RP->Ysize - 1; i1++)
547 {
548 int sindex = surround_flag2 (maze, x, i1, RP);
549
550 if (sindex == 8)
551 break;
552 if (sindex != 0)
553 return -1; /* can't make verti. wall here */
554 if (maze[x][i1] != 0)
555 return -1; /* can't make horiz. wall here */
556 length++;
557 }
558 return length;
559 }
560 return -1;
561}
562
563
564int
565make_wall (char **maze, int x, int y, int dir)
566{
567 maze[x][y] = 'D'; /* mark a door */
568 switch (dir)
569 {
570 case 0: /* horizontal */
571 {
572 int i1;
573
574 for (i1 = x - 1; maze[i1][y] == 0; i1--)
575 maze[i1][y] = '#';
576 for (i1 = x + 1; maze[i1][y] == 0; i1++)
577 maze[i1][y] = '#';
578 break;
579 }
580 case 1: /* vertical */
581 {
582 int i1;
583
584 for (i1 = y - 1; maze[x][i1] == 0; i1--)
585 maze[x][i1] = '#';
586 for (i1 = y + 1; maze[x][i1] == 0; i1++)
587 maze[x][i1] = '#';
588 break;
589 }
590 }
591
592 return 0;
593}
594
595/* puts doors at appropriate locations in a layout. */
596void
597doorify_layout (char **maze, random_map_params *RP)
598{
599 int ndoors = RP->Xsize * RP->Ysize / 60; /* reasonable number of doors. */
600 char *doorlist_x;
601 char *doorlist_y;
602 int doorlocs = 0; /* # of available doorlocations */
603 int i, j;
604
605 doorlist_x = (char *) malloc (sizeof (int) * RP->Xsize * RP->Ysize);
606 doorlist_y = (char *) malloc (sizeof (int) * RP->Xsize * RP->Ysize);
607
608
609 /* make a list of possible door locations */
610 for (i = 1; i < RP->Xsize - 1; i++)
611 for (j = 1; j < RP->Ysize - 1; j++)
612 {
613 int sindex = surround_flag (maze, i, j, RP);
614
615 if (sindex == 3 || sindex == 12) /* these are possible door sindex */
616 {
617 doorlist_x[doorlocs] = i;
618 doorlist_y[doorlocs] = j;
619 doorlocs++;
620 }
621 }
622
623 while (ndoors > 0 && doorlocs > 0)
624 {
625 int di;
626 int sindex;
627
628 di = rndm (doorlocs);
629 i = doorlist_x[di];
630 j = doorlist_y[di];
631 sindex = surround_flag (maze, i, j, RP);
632
633 if (sindex == 3 || sindex == 12) /* these are possible door sindex */
634 {
635 maze[i][j] = 'D';
636 ndoors--;
637 }
638
639 /* reduce the size of the list */
640 doorlocs--;
641 doorlist_x[di] = doorlist_x[doorlocs];
642 doorlist_y[di] = doorlist_y[doorlocs];
643 }
644
645 free (doorlist_x);
646 free (doorlist_y);
647}
648
649void
650write_map_parameters_to_string (char *buf, random_map_params *RP)
651{
652 char small_buf[16384];
653
654 sprintf (buf, "xsize %d\nysize %d\n", RP->xsize, RP->ysize);
655
656 if (RP->wallstyle[0])
657 {
658 sprintf (small_buf, "wallstyle %s\n", RP->wallstyle);
659 strcat (buf, small_buf);
660 }
661
662 if (RP->floorstyle[0])
663 {
664 sprintf (small_buf, "floorstyle %s\n", RP->floorstyle);
665 strcat (buf, small_buf);
666 }
667
668 if (RP->monsterstyle[0])
669 {
670 sprintf (small_buf, "monsterstyle %s\n", RP->monsterstyle);
671 strcat (buf, small_buf);
672 }
673
674 if (RP->treasurestyle[0])
675 {
676 sprintf (small_buf, "treasurestyle %s\n", RP->treasurestyle);
677 strcat (buf, small_buf);
678 }
679
680 if (RP->layoutstyle[0])
681 {
682 sprintf (small_buf, "layoutstyle %s\n", RP->layoutstyle);
683 strcat (buf, small_buf);
684 }
685
686 if (RP->decorstyle[0])
687 {
688 sprintf (small_buf, "decorstyle %s\n", RP->decorstyle);
689 strcat (buf, small_buf);
690 }
691
692 if (RP->doorstyle[0])
693 {
694 sprintf (small_buf, "doorstyle %s\n", RP->doorstyle);
695 strcat (buf, small_buf);
696 }
697
698 if (RP->exitstyle[0])
699 {
700 sprintf (small_buf, "exitstyle %s\n", RP->exitstyle);
701 strcat (buf, small_buf);
702 }
703
704 if (RP->final_map.length ())
705 {
706 sprintf (small_buf, "final_map %s\n", &RP->final_map);
707 strcat (buf, small_buf);
708 }
709
710 if (RP->exit_on_final_map[0])
711 {
712 sprintf (small_buf, "exit_on_final_map %s\n", RP->exit_on_final_map);
713 strcat (buf, small_buf);
714 }
715
716 if (RP->this_map.length ())
717 {
718 sprintf (small_buf, "origin_map %s\n", &RP->this_map);
719 strcat (buf, small_buf);
720 }
721
722 if (RP->expand2x)
723 {
724 sprintf (small_buf, "expand2x %d\n", RP->expand2x);
725 strcat (buf, small_buf);
726 }
727
728 if (RP->layoutoptions1)
729 {
730 sprintf (small_buf, "layoutoptions1 %d\n", RP->layoutoptions1);
731 strcat (buf, small_buf);
732 }
733
734 if (RP->layoutoptions2)
735 {
736 sprintf (small_buf, "layoutoptions2 %d\n", RP->layoutoptions2);
737 strcat (buf, small_buf);
738 }
739
740 if (RP->layoutoptions3)
741 {
742 sprintf (small_buf, "layoutoptions3 %d\n", RP->layoutoptions3);
743 strcat (buf, small_buf);
744 }
745
746 if (RP->symmetry)
747 {
748 sprintf (small_buf, "symmetry %d\n", RP->symmetry);
749 strcat (buf, small_buf);
750 }
751
752 if (RP->difficulty && RP->difficulty_given)
753 {
754 sprintf (small_buf, "difficulty %d\n", RP->difficulty);
755 strcat (buf, small_buf);
756 }
757
758 if (RP->difficulty_increase != 1.0)
759 {
760 sprintf (small_buf, "difficulty_increase %f\n", RP->difficulty_increase);
761 strcat (buf, small_buf);
762 }
763
764 sprintf (small_buf, "dungeon_level %d\n", RP->dungeon_level);
765 strcat (buf, small_buf);
766
767 if (RP->dungeon_depth)
768 {
769 sprintf (small_buf, "dungeon_depth %d\n", RP->dungeon_depth);
770 strcat (buf, small_buf);
771 }
772
773 if (RP->decoroptions)
774 {
775 sprintf (small_buf, "decoroptions %d\n", RP->decoroptions);
776 strcat (buf, small_buf);
777 }
778
779 if (RP->orientation)
780 {
781 sprintf (small_buf, "orientation %d\n", RP->orientation);
782 strcat (buf, small_buf);
783 }
784
785 if (RP->origin_x)
786 {
787 sprintf (small_buf, "origin_x %d\n", RP->origin_x);
788 strcat (buf, small_buf);
789 }
790
791 if (RP->origin_y)
792 {
793 sprintf (small_buf, "origin_y %d\n", RP->origin_y);
794 strcat (buf, small_buf);
795 }
796
797 if (RP->treasureoptions)
798 {
799 sprintf (small_buf, "treasureoptions %d\n", RP->treasureoptions);
800 strcat (buf, small_buf);
801 }
802
803 if (RP->random_seed)
804 {
805 sprintf (small_buf, "random_seed %u\n", RP->random_seed);
806 strcat (buf, small_buf);
807 }
808
809 if (RP->custom)
810 {
811 sprintf (small_buf, "custom %s\n", RP->custom);
812 strcat (buf, small_buf);
813 }
814}
815
816void
817write_parameters_to_string (char *buf,
818 int xsize_n,
819 int ysize_n,
820 const char *wallstyle_n,
821 const char *floorstyle_n,
822 const char *monsterstyle_n,
823 const char *treasurestyle_n,
824 const char *layoutstyle_n,
825 const char *decorstyle_n,
826 const char *doorstyle_n,
827 const char *exitstyle_n,
828 const char *final_map_n,
829 const char *exit_on_final_map_n,
830 const char *this_map_n,
831 int layoutoptions1_n,
832 int layoutoptions2_n,
833 int layoutoptions3_n,
834 int symmetry_n,
835 int dungeon_depth_n,
836 int dungeon_level_n,
837 int difficulty_n,
838 int difficulty_given_n,
839 int decoroptions_n,
840 int orientation_n,
841 int origin_x_n,
842 int origin_y_n,
843 uint32_t random_seed_n,
844 int treasureoptions_n,
845 float difficulty_increase)
846{
847 char small_buf[16384];
848
849 sprintf (buf, "xsize %d\nysize %d\n", xsize_n, ysize_n);
850
851 if (wallstyle_n && wallstyle_n[0])
852 {
853 sprintf (small_buf, "wallstyle %s\n", wallstyle_n);
854 strcat (buf, small_buf);
855 }
856
857 if (floorstyle_n && floorstyle_n[0])
858 {
859 sprintf (small_buf, "floorstyle %s\n", floorstyle_n);
860 strcat (buf, small_buf);
861 }
862
863 if (monsterstyle_n && monsterstyle_n[0])
864 {
865 sprintf (small_buf, "monsterstyle %s\n", monsterstyle_n);
866 strcat (buf, small_buf);
867 }
868
869 if (treasurestyle_n && treasurestyle_n[0])
870 {
871 sprintf (small_buf, "treasurestyle %s\n", treasurestyle_n);
872 strcat (buf, small_buf);
873 }
874
875 if (layoutstyle_n && layoutstyle_n[0])
876 {
877 sprintf (small_buf, "layoutstyle %s\n", layoutstyle_n);
878 strcat (buf, small_buf);
879 }
880
881 if (decorstyle_n && decorstyle_n[0])
882 {
883 sprintf (small_buf, "decorstyle %s\n", decorstyle_n);
884 strcat (buf, small_buf);
885 }
886
887 if (doorstyle_n && doorstyle_n[0])
888 {
889 sprintf (small_buf, "doorstyle %s\n", doorstyle_n);
890 strcat (buf, small_buf);
891 }
892
893 if (exitstyle_n && exitstyle_n[0])
894 {
895 sprintf (small_buf, "exitstyle %s\n", exitstyle_n);
896 strcat (buf, small_buf);
897 }
898
899 if (final_map_n && final_map_n[0])
900 {
901 sprintf (small_buf, "final_map %s\n", final_map_n);
902 strcat (buf, small_buf);
903 }
904
905 if (exit_on_final_map_n && exit_on_final_map_n[0])
906 {
907 sprintf (small_buf, "exit_on_final_map %s\n", exit_on_final_map_n);
908 strcat (buf, small_buf);
909 }
910
911 if (this_map_n && this_map_n[0])
912 {
913 sprintf (small_buf, "origin_map %s\n", this_map_n);
914 strcat (buf, small_buf);
915 }
916
917 if (layoutoptions1_n)
918 {
919 sprintf (small_buf, "layoutoptions1 %d\n", layoutoptions1_n);
920 strcat (buf, small_buf);
921 }
922
923 if (layoutoptions2_n)
924 {
925 sprintf (small_buf, "layoutoptions2 %d\n", layoutoptions2_n);
926 strcat (buf, small_buf);
927 }
928
929
930 if (layoutoptions3_n)
931 {
932 sprintf (small_buf, "layoutoptions3 %d\n", layoutoptions3_n);
933 strcat (buf, small_buf);
934 }
935
936 if (symmetry_n)
937 {
938 sprintf (small_buf, "symmetry %d\n", symmetry_n);
939 strcat (buf, small_buf);
940 }
941
942
943 if (difficulty_n && difficulty_given_n)
944 {
945 sprintf (small_buf, "difficulty %d\n", difficulty_n);
946 strcat (buf, small_buf);
947 }
948
949 if (difficulty_increase > 0.001)
950 {
951 sprintf (small_buf, "difficulty_increase %f\n", difficulty_increase);
952 strcat (buf, small_buf);
953 }
954
955 sprintf (small_buf, "dungeon_level %d\n", dungeon_level_n);
956 strcat (buf, small_buf);
957
958 if (dungeon_depth_n)
959 {
960 sprintf (small_buf, "dungeon_depth %d\n", dungeon_depth_n);
961 strcat (buf, small_buf);
962 }
963
964 if (decoroptions_n)
965 {
966 sprintf (small_buf, "decoroptions %d\n", decoroptions_n);
967 strcat (buf, small_buf);
968 }
969
970 if (orientation_n)
971 {
972 sprintf (small_buf, "orientation %d\n", orientation_n);
973 strcat (buf, small_buf);
974 }
975
976 if (origin_x_n)
977 {
978 sprintf (small_buf, "origin_x %d\n", origin_x_n);
979 strcat (buf, small_buf);
980 }
981
982 if (origin_y_n)
983 {
984 sprintf (small_buf, "origin_y %d\n", origin_y_n);
985 strcat (buf, small_buf);
986 }
987
988 if (random_seed_n)
989 {
990 /* Add one so that the next map is a bit different */
991 sprintf (small_buf, "random_seed %u\n", random_seed_n + 1);
992 strcat (buf, small_buf);
993 }
994
995 if (treasureoptions_n)
996 {
997 sprintf (small_buf, "treasureoptions %d\n", treasureoptions_n);
998 strcat (buf, small_buf);
999 }
1000}
1001
1002/* copy an object with an inventory... i.e., duplicate the inv too. */
1003void
1004copy_object_with_inv (object *src_ob, object *dest_ob)
1005{
1006 object *walk, *tmp;
1007
1008 src_ob->copy_to (dest_ob);
1009
1010 for (walk = src_ob->inv; walk; walk = walk->below)
1011 {
1012 tmp = object::create ();
1013
1014 walk->copy_to (tmp);
1015 insert_ob_in_ob (tmp, dest_ob);
1016 }
1017}

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