| 1 | /* |
1 | /* |
| 2 | * This file is part of Deliantra, the Roguelike Realtime MMORPG. |
2 | * This file is part of Deliantra, the Roguelike Realtime MMORPG. |
| 3 | * |
3 | * |
| 4 | * Copyright (©) 2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team |
4 | * Copyright (©) 2017,2018 Marc Alexander Lehmann / the Deliantra team |
|
|
5 | * Copyright (©) 2010,2011,2012,2013,2014,2015,2016 Marc Alexander Lehmann / Robin Redeker / the Deliantra team |
| 5 | * Copyright (©) Crossfire Development Team (restored, original file without copyright notice) |
6 | * Copyright (©) 1994-2004 Crossfire Development Team (restored, original file without copyright notice) |
| 6 | * |
7 | * |
| 7 | * Deliantra is free software: you can redistribute it and/or modify it under |
8 | * Deliantra is free software: you can redistribute it and/or modify it under |
| 8 | * the terms of the Affero GNU General Public License as published by the |
9 | * the terms of the Affero GNU General Public License as published by the |
| 9 | * Free Software Foundation, either version 3 of the License, or (at your |
10 | * Free Software Foundation, either version 3 of the License, or (at your |
| 10 | * option) any later version. |
11 | * option) any later version. |
| 11 | * |
12 | * |
| 12 | * 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, |
| 13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 15 | * GNU General Public License for more details. |
16 | * GNU General Public License for more details. |
| 16 | * |
17 | * |
| 17 | * You should have received a copy of the Affero GNU General Public License |
18 | * You should have received a copy of the Affero GNU General Public License |
| 18 | * and the GNU General Public License along with this program. If not, see |
19 | * and the GNU General Public License along with this program. If not, see |
| 19 | * <http://www.gnu.org/licenses/>. |
20 | * <http://www.gnu.org/licenses/>. |
| 20 | * |
21 | * |
| 21 | * The authors can be reached via e-mail to <support@deliantra.net> |
22 | * The authors can be reached via e-mail to <support@deliantra.net> |
| 22 | */ |
23 | */ |
| 23 | |
24 | |
| 24 | #include <global.h> |
25 | #include <global.h> |
| 25 | #include <random_map.h> |
26 | #include <rmg.h> |
| 26 | #include <rproto.h> |
27 | #include <rproto.h> |
| 27 | |
28 | |
| 28 | void |
29 | ecb_noinline void |
| 29 | layout::alloc (int w, int h) |
30 | layout::alloc (int w, int h) |
| 30 | { |
31 | { |
| 31 | assert (sizeof (cell) == 1); |
32 | assert (sizeof (cell) == 1); |
| 32 | |
33 | |
| 33 | this->w = w; |
34 | this->w = w; |
| … | |
… | |
| 74 | layout::~layout () |
75 | layout::~layout () |
| 75 | { |
76 | { |
| 76 | sfree ((char *)data, size); |
77 | sfree ((char *)data, size); |
| 77 | } |
78 | } |
| 78 | |
79 | |
| 79 | void |
80 | ecb_noinline void |
| 80 | layout::fill (char fill) |
81 | layout::fill (char fill) |
| 81 | { |
82 | { |
| 82 | //memset (data [0], fill, w * h); // only when contiguous :/ |
83 | //memset (data [0], fill, w * h); // only when contiguous :/ |
| 83 | fill_rect (0, 0, w, h, fill); |
84 | fill_rect (0, 0, w, h, fill); |
| 84 | } |
85 | } |
| 85 | |
86 | |
| 86 | void |
87 | ecb_noinline void |
|
|
88 | layout::replace (char from, char to) |
|
|
89 | { |
|
|
90 | for (int x = 0; x < w; ++x) |
|
|
91 | for (int y = 0; y < h; ++y) |
|
|
92 | if (data [x][y] == from) |
|
|
93 | data [x][y] = to; |
|
|
94 | } |
|
|
95 | |
|
|
96 | ecb_noinline void |
| 87 | layout::rect (int x1, int y1, int x2, int y2, char fill) |
97 | layout::rect (int x1, int y1, int x2, int y2, char fill) |
| 88 | { |
98 | { |
| 89 | --x2; |
99 | --x2; |
| 90 | |
100 | |
| 91 | memset (data [x1] + y1, fill, y2 - y1); |
101 | memset (data [x1] + y1, fill, y2 - y1); |
| … | |
… | |
| 93 | |
103 | |
| 94 | while (++x1 < x2) |
104 | while (++x1 < x2) |
| 95 | data [x1][y1] = data [x1][y2 - 1] = fill; |
105 | data [x1][y1] = data [x1][y2 - 1] = fill; |
| 96 | } |
106 | } |
| 97 | |
107 | |
| 98 | void |
108 | ecb_noinline void |
| 99 | layout::fill_rect (int x1, int y1, int x2, int y2, char fill) |
109 | layout::fill_rect (int x1, int y1, int x2, int y2, char fill) |
| 100 | { |
110 | { |
| 101 | for (; x1 < x2; ++x1) |
111 | for (; x1 < x2; ++x1) |
| 102 | memset (data [x1] + y1, fill, y2 - y1); |
112 | memset (data [x1] + y1, fill, y2 - y1); |
| 103 | } |
113 | } |
| 104 | |
114 | |
|
|
115 | void |
| 105 | void layout::border (char fill) |
116 | layout::border (char fill) |
| 106 | { |
117 | { |
| 107 | rect (0, 0, w, h, fill); |
118 | rect (0, 0, w, h, fill); |
| 108 | } |
119 | } |
| 109 | |
120 | |
| 110 | void |
121 | ecb_noinline void |
| 111 | layout::fill_rand (int percent) |
122 | layout::fill_rand (int percent) |
| 112 | { |
123 | { |
| 113 | percent = lerp (percent, 0, 100, 0, 256); |
124 | percent = lerp (percent, 0, 100, 0, 256); |
| 114 | |
125 | |
| 115 | for (int x = w - 1; --x > 0; ) |
126 | for (int x = 0; x < w; ++x) |
| 116 | for (int y = h - 1; --y > 0; ) |
127 | for (int y = 0; y < h; ++y) |
| 117 | data [x][y] = rmg_rndm (256) > percent ? 0 : '#'; |
128 | data [x][y] = rmg_rndm (256) > percent ? 0 : '#'; |
| 118 | } |
129 | } |
| 119 | |
130 | |
| 120 | ///////////////////////////////////////////////////////////////////////////// |
131 | ///////////////////////////////////////////////////////////////////////////// |
| 121 | |
132 | |
| 122 | // erode by cellular automata |
133 | // erode by cellular automata |
| 123 | void |
134 | ecb_noinline void |
| 124 | layout::erode_1_2 (int c1, int c2, int repeat) |
135 | layout::erode_1_2 (int c1, int c2, int repeat) |
| 125 | { |
136 | { |
| 126 | layout neu (w, h); |
137 | layout neu (w, h); |
| 127 | |
138 | |
| 128 | while (repeat--) |
139 | while (repeat--) |
| … | |
… | |
| 142 | { 0, -2, 0 }, { 0, -1, 1 }, { 0, 0, 1 }, { 0, 1, 1 }, { 0, 2, 0 }, |
153 | { 0, -2, 0 }, { 0, -1, 1 }, { 0, 0, 1 }, { 0, 1, 1 }, { 0, 2, 0 }, |
| 143 | { 1, -2, 0 }, { 1, -1, 1 }, { 1, 0, 1 }, { 1, 1, 1 }, { 1, 2, 0 }, |
154 | { 1, -2, 0 }, { 1, -1, 1 }, { 1, 0, 1 }, { 1, 1, 1 }, { 1, 2, 0 }, |
| 144 | { 2, -1, 0 }, { 2, 0, 0 }, { 2, 1, 0 }, |
155 | { 2, -1, 0 }, { 2, 0, 0 }, { 2, 1, 0 }, |
| 145 | }; |
156 | }; |
| 146 | |
157 | |
| 147 | for (int i = array_length (dds); i--; ) |
158 | for (int i = ecb_array_length (dds); i--; ) |
| 148 | { |
159 | { |
| 149 | int nx = x + dds [i][0]; |
160 | int nx = x + dds [i][0]; |
| 150 | int ny = y + dds [i][1]; |
161 | int ny = y + dds [i][1]; |
| 151 | |
162 | |
| 152 | if (!IN_RANGE_EXC (nx, 0, w) || !IN_RANGE_EXC (ny, 0, h) || !data [nx][ny]) |
163 | if (!IN_RANGE_EXC (nx, 0, w) || !IN_RANGE_EXC (ny, 0, h) || !data [nx][ny]) |
| … | |
… | |
| 194 | ///////////////////////////////////////////////////////////////////////////// |
205 | ///////////////////////////////////////////////////////////////////////////// |
| 195 | // isolation remover - ensures single connected area |
206 | // isolation remover - ensures single connected area |
| 196 | |
207 | |
| 197 | typedef fixed_stack<point> pointlist; |
208 | typedef fixed_stack<point> pointlist; |
| 198 | |
209 | |
| 199 | static void noinline |
210 | ecb_noinline static void |
| 200 | push_flood_fill (layout &dist, pointlist &seeds, int x, int y) |
211 | push_flood_fill (layout &dist, pointlist &seeds, int x, int y) |
| 201 | { |
212 | { |
| 202 | if (dist [x][y]) |
213 | if (dist [x][y]) |
| 203 | return; |
214 | return; |
| 204 | |
215 | |
| … | |
… | |
| 220 | if (x > 0 && !dist [x - 1][y]) push_flood_fill (dist, seeds, x - 1, y); |
231 | if (x > 0 && !dist [x - 1][y]) push_flood_fill (dist, seeds, x - 1, y); |
| 221 | if (x < dist.w - 1 && !dist [x + 1][y]) push_flood_fill (dist, seeds, x + 1, y); |
232 | if (x < dist.w - 1 && !dist [x + 1][y]) push_flood_fill (dist, seeds, x + 1, y); |
| 222 | } |
233 | } |
| 223 | } |
234 | } |
| 224 | |
235 | |
| 225 | static inline void |
236 | static void inline |
| 226 | make_tunnel (layout &dist, pointlist &seeds, int x, int y, U8 d) |
237 | make_tunnel (layout &dist, pointlist &seeds, int x, int y, U8 d, int perturb) |
| 227 | { |
238 | { |
| 228 | for (;;) |
239 | for (;;) |
| 229 | { |
240 | { |
| 230 | point neigh[4]; |
241 | point neigh[4]; |
| 231 | int ncnt = 0; |
242 | int ncnt = 0; |
| 232 | |
243 | |
|
|
244 | d += perturb > 1; |
|
|
245 | |
| 233 | if (x > 0 && U8 (dist [x - 1][y]) <= d && dist [x - 1][y] > 1) neigh [ncnt++] = point (x - 1, y); |
246 | if (x > 0 && U8 (dist [x - 1][y]) < d && dist [x - 1][y] > 1) neigh [ncnt++] = point (x - 1, y); |
| 234 | if (x < dist.w - 1 && U8 (dist [x + 1][y]) <= d && dist [x + 1][y] > 1) neigh [ncnt++] = point (x + 1, y); |
247 | if (x < dist.w - 1 && U8 (dist [x + 1][y]) < d && dist [x + 1][y] > 1) neigh [ncnt++] = point (x + 1, y); |
| 235 | if (y > 0 && U8 (dist [x][y - 1]) <= d && dist [x][y - 1] > 1) neigh [ncnt++] = point (x, y - 1); |
248 | if (y > 0 && U8 (dist [x][y - 1]) < d && dist [x][y - 1] > 1) neigh [ncnt++] = point (x, y - 1); |
| 236 | if (y < dist.h - 1 && U8 (dist [x][y + 1]) <= d && dist [x][y + 1] > 1) neigh [ncnt++] = point (x, y + 1); |
249 | if (y < dist.h - 1 && U8 (dist [x][y + 1]) < d && dist [x][y + 1] > 1) neigh [ncnt++] = point (x, y + 1); |
| 237 | |
250 | |
| 238 | if (!ncnt) |
251 | if (!ncnt) |
| 239 | return; |
252 | return; |
| 240 | |
253 | |
| 241 | point &p = neigh [rmg_rndm (ncnt)]; |
254 | point p = neigh [perturb ? rmg_rndm (ncnt) : 0]; |
| 242 | |
255 | |
| 243 | seeds.push (p); |
256 | seeds.push (p); |
| 244 | |
257 | |
| 245 | x = p.x; |
258 | x = p.x; |
| 246 | y = p.y; |
259 | y = p.y; |
| … | |
… | |
| 263 | seeds.push (point (x, y)); |
276 | seeds.push (point (x, y)); |
| 264 | } |
277 | } |
| 265 | |
278 | |
| 266 | // isolation remover, works on a "distance" map |
279 | // isolation remover, works on a "distance" map |
| 267 | // the map must be initialised with 0 == rooms, 255 = walls |
280 | // the map must be initialised with 0 == rooms, 255 = walls |
| 268 | static void noinline |
281 | ecb_noinline static void |
| 269 | isolation_remover (layout &dist) |
282 | isolation_remover (layout &dist, unsigned int perturb = 2) |
| 270 | { |
283 | { |
| 271 | // dist contains |
284 | // dist contains |
| 272 | // 0 == invisited rooms |
285 | // 0 == invisited rooms |
| 273 | // 1 == visited rooms |
286 | // 1 == visited rooms |
| 274 | // 2+ shortest distance to random near room |
287 | // 2+ shortest distance to random near room |
| 275 | |
288 | |
|
|
289 | clamp_it (perturb, 0, 2); |
|
|
290 | |
| 276 | // phase 1, find seed |
291 | // phase 1, find seed |
| 277 | int cnt = 0; |
292 | int cnt = 0; |
| 278 | int x, y; |
293 | int x, y; |
| 279 | |
294 | |
| 280 | for (int i = 0; i < dist.w; ++i) |
295 | for (int i = 0; i < dist.w; ++i) |
| … | |
… | |
| 298 | seeds.push (point (x, y)); |
313 | seeds.push (point (x, y)); |
| 299 | |
314 | |
| 300 | // phase 2, while we have seeds, if |
315 | // phase 2, while we have seeds, if |
| 301 | // seed is empty, floodfill, else grow |
316 | // seed is empty, floodfill, else grow |
| 302 | |
317 | |
|
|
318 | int rem_index = 0; // used to remove "somewhat ordered" |
|
|
319 | |
| 303 | while (seeds.size) |
320 | while (seeds.size) |
| 304 | { |
321 | { |
| 305 | coroapi::cede_to_tick (); |
322 | coroapi::cede_to_tick (); |
| 306 | |
323 | |
|
|
324 | int i = perturb |
|
|
325 | ? rmg_rndm (max (0, seeds.size - 8), seeds.size - 1) |
|
|
326 | : rem_index ++ % seeds.size; |
|
|
327 | |
| 307 | point p = seeds.remove (rmg_rndm (seeds.size)); |
328 | point p = seeds.remove (i); |
| 308 | |
329 | |
| 309 | x = p.x; |
330 | x = p.x; |
| 310 | y = p.y; |
331 | y = p.y; |
| 311 | |
332 | |
| 312 | if (!dist [x][y]) |
333 | if (!dist [x][y]) |
| 313 | { |
334 | { |
| 314 | // found new isolated area, make tunnel |
335 | // found new isolated area, make tunnel |
| 315 | push_flood_fill (dist, seeds, x, y); |
336 | push_flood_fill (dist, seeds, x, y); |
| 316 | make_tunnel (dist, seeds, x, y, 255); |
337 | make_tunnel (dist, seeds, x, y, 254, perturb); |
| 317 | } |
338 | } |
| 318 | else |
339 | else |
| 319 | { |
340 | { |
| 320 | // nothing here, continue to expand |
341 | // nothing here, continue to expand |
| 321 | U8 d = U8 (dist [x][y]) + 1; |
342 | U8 d = U8 (dist [x][y]) + 1; |
| … | |
… | |
| 327 | } |
348 | } |
| 328 | } |
349 | } |
| 329 | } |
350 | } |
| 330 | |
351 | |
| 331 | void |
352 | void |
| 332 | layout::isolation_remover () |
353 | layout::isolation_remover (int perturb) |
| 333 | { |
354 | { |
| 334 | layout dist (w - 2, h - 2); // map without border |
355 | layout dist (w - 2, h - 2); // map without border |
| 335 | |
356 | |
| 336 | for (int x = 1; x < w - 1; ++x) |
357 | for (int x = 1; x < w - 1; ++x) |
| 337 | for (int y = 1; y < h - 1; ++y) |
358 | for (int y = 1; y < h - 1; ++y) |
| 338 | dist [x - 1][y - 1] = data [x][y] == '#' ? U8 (255) : 0; |
359 | dist [x - 1][y - 1] = data [x][y] == '#' ? U8 (255) : 0; |
| 339 | |
360 | |
| 340 | ::isolation_remover (dist); |
361 | ::isolation_remover (dist, perturb); |
| 341 | |
362 | |
| 342 | // now copy the tunnels over |
363 | // now copy the tunnels over |
| 343 | for (int x = 1; x < w - 1; ++x) |
364 | for (int x = 1; x < w - 1; ++x) |
| 344 | for (int y = 1; y < h - 1; ++y) |
365 | for (int y = 1; y < h - 1; ++y) |
| 345 | if (data [x][y] == '#' && dist [x - 1][y - 1] == 1) |
366 | if (data [x][y] == '#' && dist [x - 1][y - 1] == 1) |
| 346 | data [x][y] = 0; |
367 | data [x][y] = 0; |
| 347 | } |
368 | } |
| 348 | |
369 | |
| 349 | ///////////////////////////////////////////////////////////////////////////// |
370 | ///////////////////////////////////////////////////////////////////////////// |
| 350 | |
371 | |
| 351 | // inspired mostly by http://www.jimrandomh.org/misc/caves.txt |
|
|
| 352 | void |
|
|
| 353 | layout::gen_cave (int subtype) |
|
|
| 354 | { |
|
|
| 355 | switch (subtype) |
|
|
| 356 | { |
|
|
| 357 | // a rough cave |
|
|
| 358 | case 0: |
|
|
| 359 | fill_rand (rmg_rndm (85, 97)); |
|
|
| 360 | break; |
|
|
| 361 | |
|
|
| 362 | // corridors |
|
|
| 363 | case 1: |
|
|
| 364 | fill_rand (rmg_rndm (5, 40)); |
|
|
| 365 | erode_1_2 (5, 2, 10); |
|
|
| 366 | erode_1_2 (5, -1, 10); |
|
|
| 367 | erode_1_2 (5, 2, 1); |
|
|
| 368 | break; |
|
|
| 369 | |
|
|
| 370 | // somewhat open, roundish |
|
|
| 371 | case 2: |
|
|
| 372 | fill_rand (45); |
|
|
| 373 | erode_1_2 (5, 0, 5); |
|
|
| 374 | erode_1_2 (5, 1, 1); |
|
|
| 375 | break; |
|
|
| 376 | |
|
|
| 377 | // wide open, some room-like structures |
|
|
| 378 | case 3: |
|
|
| 379 | fill_rand (45); |
|
|
| 380 | erode_1_2 (5, 2, 4); |
|
|
| 381 | erode_1_2 (5, -1, 3); |
|
|
| 382 | break; |
|
|
| 383 | } |
|
|
| 384 | |
|
|
| 385 | border (); |
|
|
| 386 | isolation_remover (); |
|
|
| 387 | } |
|
|
| 388 | |
|
|
| 389 | ///////////////////////////////////////////////////////////////////////////// |
|
|
| 390 | |
|
|
| 391 | //+GPL |
372 | //+GPL |
| 392 | |
373 | |
| 393 | /* puts doors at appropriate locations in a maze. */ |
374 | /* puts doors at appropriate locations in a maze. */ |
| 394 | void |
375 | void |
| 395 | layout::doorify () |
376 | layout::doorify () |
| 396 | { |
377 | { |
| 397 | int ndoors = w * h / 60; /* reasonable number of doors. */ |
378 | int ndoors = w * h / 60; /* reasonable number of doors. */ |
| 398 | int doorlocs = 0; /* # of available doorlocations */ |
|
|
| 399 | |
379 | |
| 400 | uint16 *doorlist_x = salloc<uint16> (w * h); |
380 | coroapi::cede_to_tick (); |
| 401 | uint16 *doorlist_y = salloc<uint16> (w * h); |
381 | |
|
|
382 | fixed_stack<point> doorloc (w * h); |
| 402 | |
383 | |
| 403 | /* make a list of possible door locations */ |
384 | /* make a list of possible door locations */ |
| 404 | for (int i = 1; i < w - 1; i++) |
385 | for (int i = 1; i < w - 1; i++) |
| 405 | for (int j = 1; j < h - 1; j++) |
386 | for (int j = 1; j < h - 1; j++) |
| 406 | { |
387 | { |
| 407 | int sindex = surround_flag (*this, i, j); |
388 | int sindex = surround_flag (*this, i, j); |
| 408 | |
389 | |
| 409 | if (sindex == 3 || sindex == 12) /* these are possible door sindex */ |
390 | if (sindex == 3 || sindex == 12) /* these are possible door sindex */ |
| 410 | { |
391 | doorloc.push (point (i, j)); |
| 411 | doorlist_x [doorlocs] = i; |
|
|
| 412 | doorlist_y [doorlocs] = j; |
|
|
| 413 | doorlocs++; |
|
|
| 414 | } |
|
|
| 415 | } |
392 | } |
| 416 | |
393 | |
| 417 | while (ndoors > 0 && doorlocs > 0) |
394 | while (ndoors && doorloc.size) |
| 418 | { |
395 | { |
| 419 | int di = rmg_rndm (doorlocs); |
396 | point p = doorloc.remove (rmg_rndm (doorloc.size)); |
| 420 | int i = doorlist_x [di]; |
397 | |
| 421 | int j = doorlist_y [di]; |
|
|
| 422 | int sindex = surround_flag (*this, i, j); |
398 | int sindex = surround_flag (*this, p.x, p.y); |
| 423 | |
399 | |
| 424 | if (sindex == 3 || sindex == 12) /* these are possible door sindex */ |
400 | if (sindex == 3 || sindex == 12) /* these are possible door sindex */ |
| 425 | { |
401 | { |
| 426 | data [i][j] = 'D'; |
402 | data [p.x][p.y] = 'D'; |
| 427 | ndoors--; |
403 | --ndoors; |
| 428 | } |
404 | } |
| 429 | |
|
|
| 430 | /* reduce the size of the list */ |
|
|
| 431 | doorlocs--; |
|
|
| 432 | doorlist_x[di] = doorlist_x [doorlocs]; |
|
|
| 433 | doorlist_y[di] = doorlist_y [doorlocs]; |
|
|
| 434 | } |
405 | } |
| 435 | |
|
|
| 436 | sfree (doorlist_x, w * h); |
|
|
| 437 | sfree (doorlist_y, w * h); |
|
|
| 438 | } |
406 | } |
| 439 | |
407 | |
| 440 | /* takes a map and makes it symmetric: adjusts Xsize and |
408 | /* takes a map and makes it symmetric: adjusts Xsize and |
| 441 | * Ysize to produce a symmetric map. |
409 | * Ysize to produce a symmetric map. |
| 442 | */ |
410 | */ |
| … | |
… | |
| 500 | //-GPL |
468 | //-GPL |
| 501 | |
469 | |
| 502 | void |
470 | void |
| 503 | layout::rotate (int rotation) |
471 | layout::rotate (int rotation) |
| 504 | { |
472 | { |
|
|
473 | coroapi::cede_to_tick (); |
|
|
474 | |
| 505 | switch (rotation & 3) |
475 | switch (rotation & 3) |
| 506 | { |
476 | { |
| 507 | case 2: /* a reflection */ |
477 | case 2: /* a reflection */ |
| 508 | { |
478 | { |
| 509 | layout new_layout (w, h); |
479 | layout new_layout (w, h); |
| … | |
… | |
| 564 | * 1 match on (i+1, j) |
534 | * 1 match on (i+1, j) |
| 565 | * 2 match on (i, j+1) |
535 | * 2 match on (i, j+1) |
| 566 | * 4 match on (i+1, j+1) |
536 | * 4 match on (i+1, j+1) |
| 567 | * and the possible combinations thereof. |
537 | * and the possible combinations thereof. |
| 568 | */ |
538 | */ |
| 569 | static int noinline |
539 | ecb_noinline static int |
| 570 | calc_pattern (char ch, layout &maze, int i, int j) |
540 | calc_pattern (char ch, layout &maze, int i, int j) |
| 571 | { |
541 | { |
| 572 | int pattern = 0; |
542 | int pattern = 0; |
| 573 | |
543 | |
| 574 | if (i + 1 < maze.w && maze[i + 1][j] == ch) |
544 | if (i + 1 < maze.w && maze[i + 1][j] == ch) |
| … | |
… | |
| 661 | { |
631 | { |
| 662 | layout new_layout (w * 2 - 1, h * 2 - 1); |
632 | layout new_layout (w * 2 - 1, h * 2 - 1); |
| 663 | |
633 | |
| 664 | new_layout.clear (); |
634 | new_layout.clear (); |
| 665 | |
635 | |
|
|
636 | coroapi::cede_to_tick (); |
|
|
637 | |
| 666 | for (int i = 0; i < w; i++) |
638 | for (int i = 0; i < w; i++) |
| 667 | for (int j = 0; j < h; j++) |
639 | for (int j = 0; j < h; j++) |
| 668 | switch (data [i][j]) |
640 | switch (data [i][j]) |
| 669 | { |
641 | { |
| 670 | case '#': expand_wall (new_layout, i, j, *this); break; |
642 | case '#': expand_wall (new_layout, i, j, *this); break; |
| 671 | case 'D': expand_door (new_layout, i, j, *this); break; |
643 | case 'D': expand_door (new_layout, i, j, *this); break; |
| 672 | default: expand_misc (new_layout, i, j, *this); break; |
644 | default: expand_misc (new_layout, i, j, *this); break; |
| 673 | } |
645 | } |
| 674 | |
646 | |
| 675 | swap (new_layout); |
647 | swap (new_layout); |
| 676 | } |
648 | } |
| … | |
… | |
| 752 | |
724 | |
| 753 | return -1; |
725 | return -1; |
| 754 | } |
726 | } |
| 755 | |
727 | |
| 756 | int |
728 | int |
| 757 | make_wall (char **maze, int x, int y, int dir) |
729 | make_wall (layout &maze, int x, int y, int dir) |
| 758 | { |
730 | { |
| 759 | maze[x][y] = 'D'; /* mark a door */ |
731 | maze[x][y] = 'D'; /* mark a door */ |
| 760 | |
732 | |
| 761 | switch (dir) |
733 | switch (dir) |
| 762 | { |
734 | { |
| … | |
… | |
| 779 | |
751 | |
| 780 | void |
752 | void |
| 781 | layout::roomify () |
753 | layout::roomify () |
| 782 | { |
754 | { |
| 783 | int tries = w * h / 30; |
755 | int tries = w * h / 30; |
|
|
756 | |
|
|
757 | coroapi::cede_to_tick (); |
| 784 | |
758 | |
| 785 | for (int ti = 0; ti < tries; ti++) |
759 | for (int ti = 0; ti < tries; ti++) |
| 786 | { |
760 | { |
| 787 | /* starting location for looking at creating a door */ |
761 | /* starting location for looking at creating a door */ |
| 788 | int dx = rmg_rndm (w); |
762 | int dx = rmg_rndm (w); |
| … | |
… | |
| 811 | else |
785 | else |
| 812 | make_wall (*this, dx, dy, 1); |
786 | make_wall (*this, dx, dy, 1); |
| 813 | } |
787 | } |
| 814 | } |
788 | } |
| 815 | |
789 | |
|
|
790 | //-GPL |
|
|
791 | |
| 816 | ///////////////////////////////////////////////////////////////////////////// |
792 | ///////////////////////////////////////////////////////////////////////////// |
| 817 | |
793 | |
|
|
794 | // inspired mostly by http://www.jimrandomh.org/misc/caves.txt |
|
|
795 | void |
|
|
796 | layout::gen_cave (int subtype) |
|
|
797 | { |
|
|
798 | switch (subtype) |
|
|
799 | { |
|
|
800 | // a rough cave |
|
|
801 | case 0: |
|
|
802 | fill_rand (rmg_rndm (85, 97)); |
|
|
803 | break; |
|
|
804 | |
|
|
805 | // corridors |
|
|
806 | case 1: |
|
|
807 | fill_rand (rmg_rndm (5, 40)); |
|
|
808 | erode_1_2 (5, 2, 10); |
|
|
809 | erode_1_2 (5, -1, 10); |
|
|
810 | erode_1_2 (5, 2, 1); |
|
|
811 | break; |
|
|
812 | |
|
|
813 | // somewhat open, some room-like structures |
|
|
814 | case 2: |
|
|
815 | fill_rand (45); |
|
|
816 | erode_1_2 (5, 2, 4); |
|
|
817 | erode_1_2 (5, -1, 3); |
|
|
818 | break; |
|
|
819 | |
|
|
820 | // wide open, roundish |
|
|
821 | case 3: |
|
|
822 | fill_rand (45); |
|
|
823 | erode_1_2 (5, 0, 5); |
|
|
824 | erode_1_2 (5, 1, 1); |
|
|
825 | break; |
|
|
826 | } |
|
|
827 | |
|
|
828 | border (); |
|
|
829 | isolation_remover (1); |
|
|
830 | } |
|
|
831 | |
|
|
832 | void |
|
|
833 | layout::gen_castle () |
|
|
834 | { |
|
|
835 | fill ('#'); |
|
|
836 | |
|
|
837 | for (int n = w * h / 30 + 1; n--; ) |
|
|
838 | { |
|
|
839 | int rw = rmg_rndm (6, 10); |
|
|
840 | int rh = rmg_rndm (6, 10); |
|
|
841 | |
|
|
842 | if (rw > w || rh > h) |
|
|
843 | continue; |
|
|
844 | |
|
|
845 | int rx = rmg_rndm (0, w - rw); |
|
|
846 | int ry = rmg_rndm (0, h - rh); |
|
|
847 | |
|
|
848 | rect (rx, ry, rx + rw, ry + rh, '#'); |
|
|
849 | fill_rect (rx + 1, ry + 1, rx + rw - 1, ry + rh - 1, 0); |
|
|
850 | } |
|
|
851 | |
|
|
852 | border (); |
|
|
853 | isolation_remover (0); |
|
|
854 | } |
|
|
855 | |
| 818 | static void |
856 | static void |
| 819 | gen_mixed_ (layout &maze, random_map_params *RP, int dir) |
857 | gen_mixed_ (layout &maze, random_map_params *RP) |
| 820 | { |
858 | { |
| 821 | if (maze.w < 20 && maze.h < 20 && !rmg_rndm (3)) |
859 | if (maze.w > maze.h && maze.w > 16) |
| 822 | dir = 2; // stop recursion randomly |
|
|
| 823 | |
|
|
| 824 | if (dir == 0 && maze.w > 16) |
|
|
| 825 | { |
860 | { |
| 826 | int m = rmg_rndm (8, maze.w - 8); |
861 | int m = rmg_rndm (8, maze.w - 8); |
| 827 | |
862 | |
| 828 | layout m1 (maze, 0, 0, m , maze.h); gen_mixed_ (m1, RP, !dir); |
863 | layout m1 (maze, 0, 0, m , maze.h); gen_mixed_ (m1, RP); |
| 829 | layout m2 (maze, m, 0, maze.w, maze.h); gen_mixed_ (m2, RP, !dir); |
864 | layout m2 (maze, m, 0, maze.w, maze.h); gen_mixed_ (m2, RP); |
| 830 | } |
865 | } |
| 831 | else if (dir == 1 && maze.h > 16) |
866 | else if (maze.h > 16) |
| 832 | { |
867 | { |
| 833 | int m = rmg_rndm (8, maze.h - 8); |
868 | int m = rmg_rndm (8, maze.h - 8); |
| 834 | |
869 | |
| 835 | layout m1 (maze, 0, 0, maze.w, m ); gen_mixed_ (m1, RP, !dir); |
870 | layout m1 (maze, 0, 0, maze.w, m ); gen_mixed_ (m1, RP); |
| 836 | layout m2 (maze, 0, m, maze.w, maze.h); gen_mixed_ (m2, RP, !dir); |
871 | layout m2 (maze, 0, m, maze.w, maze.h); gen_mixed_ (m2, RP); |
| 837 | } |
872 | } |
| 838 | else |
873 | else |
| 839 | { |
874 | { |
| 840 | RP->map_layout_style = rmg_rndm (NROFLAYOUTS - 2) + 1; |
875 | RP->map_layout_style = rmg_rndm (NROFLAYOUTS - 2) + 1; |
| 841 | |
876 | |
| 842 | if (RP->map_layout_style == LAYOUT_MULTIPLE) |
877 | if (RP->map_layout_style == LAYOUT_MULTIPLE) |
| 843 | ++RP->map_layout_style; |
878 | ++RP->map_layout_style; |
| 844 | |
879 | |
| 845 | maze.generate (RP); |
880 | maze.generate (RP); |
| 846 | } |
881 | } |
| 847 | } |
|
|
| 848 | |
882 | |
|
|
883 | coroapi::cede_to_tick (); |
|
|
884 | } |
|
|
885 | |
|
|
886 | // recursive subdivision with random sublayouts |
| 849 | static void |
887 | static void |
| 850 | gen_mixed (layout &maze, random_map_params *RP) |
888 | gen_mixed (layout &maze, random_map_params *RP) |
| 851 | { |
889 | { |
| 852 | random_map_params &rp = *new random_map_params (RP); |
890 | random_map_params &rp = *new random_map_params (RP); |
| 853 | gen_mixed_ (maze, &rp, rmg_rndm (2)); |
891 | gen_mixed_ (maze, &rp); |
| 854 | delete &rp; |
892 | delete &rp; |
| 855 | |
893 | |
| 856 | maze.border (); |
894 | maze.border (); |
|
|
895 | |
|
|
896 | // exits currently do not work so well, as they |
|
|
897 | // are currently often found together, so nuke entrances |
|
|
898 | maze.replace ('<', ' '); |
|
|
899 | |
| 857 | maze.isolation_remover (); |
900 | maze.isolation_remover (0); |
| 858 | } |
901 | } |
|
|
902 | |
|
|
903 | //+GPL |
| 859 | |
904 | |
| 860 | /* function selects the maze function and gives it whatever |
905 | /* function selects the maze function and gives it whatever |
| 861 | arguments it needs. */ |
906 | arguments it needs. */ |
| 862 | void |
907 | void |
| 863 | layout::generate (random_map_params *RP) |
908 | layout::generate (random_map_params *RP) |
| … | |
… | |
| 923 | if (rmg_rndm (2)) |
968 | if (rmg_rndm (2)) |
| 924 | doorify (); |
969 | doorify (); |
| 925 | |
970 | |
| 926 | break; |
971 | break; |
| 927 | |
972 | |
|
|
973 | case LAYOUT_CASTLE: |
|
|
974 | gen_castle (); |
|
|
975 | |
|
|
976 | if (rmg_rndm (2)) |
|
|
977 | doorify (); |
|
|
978 | |
|
|
979 | break; |
|
|
980 | |
| 928 | case LAYOUT_MULTIPLE: |
981 | case LAYOUT_MULTIPLE: |
| 929 | gen_mixed (*this, RP); |
982 | gen_mixed (*this, RP); |
| 930 | break; |
983 | break; |
| 931 | |
984 | |
| 932 | default: |
985 | default: |
| … | |
… | |
| 935 | } |
988 | } |
| 936 | |
989 | |
| 937 | //-GPL |
990 | //-GPL |
| 938 | |
991 | |
| 939 | #if 0 |
992 | #if 0 |
|
|
993 | static void |
|
|
994 | gen_village (layout &maze) |
|
|
995 | { |
|
|
996 | maze.clear (); |
|
|
997 | maze.border (); |
|
|
998 | |
|
|
999 | for (int n = maze.w * maze.h / 200 + 1; n--; ) |
|
|
1000 | { |
|
|
1001 | int rw = rmg_rndm (6, 10); |
|
|
1002 | int rh = rmg_rndm (6, 10); |
|
|
1003 | |
|
|
1004 | int rx = rmg_rndm (2, maze.w - rw - 2); |
|
|
1005 | int ry = rmg_rndm (2, maze.h - rh - 2); |
|
|
1006 | |
|
|
1007 | maze.rect (rx, ry, rx + rw, ry + rh, '#'); |
|
|
1008 | } |
|
|
1009 | |
|
|
1010 | maze.border (); |
|
|
1011 | maze.isolation_remover (2); |
|
|
1012 | } |
|
|
1013 | |
| 940 | static struct demo |
1014 | static struct demo |
| 941 | { |
1015 | { |
| 942 | demo () |
1016 | demo () |
| 943 | { |
1017 | { |
| 944 | rmg_rndm.seed (time (0)); |
1018 | rmg_rndm.seed (time (0)); |
|
|
1019 | extern void hack();hack (); |
| 945 | |
1020 | |
| 946 | for(int i=1;i<100;i++) |
1021 | for(int i=1;i<100;i++) |
| 947 | { |
1022 | { |
| 948 | layout maze (40, 25); |
1023 | layout maze (40, 30); |
| 949 | maze.fill_rand (85); |
1024 | maze.fill_rand (99); |
| 950 | maze.border (); |
1025 | maze.border (); |
| 951 | maze.isolation_remover (); |
1026 | maze.isolation_remover (2); |
| 952 | maze.print (); |
1027 | maze.print (); |
| 953 | } |
1028 | } |
| 954 | |
1029 | |
| 955 | exit (1); |
1030 | exit (1); |
| 956 | } |
1031 | } |
