| 1 | /* |
1 | /* |
| 2 | CrossFire, A Multiplayer game for X-windows |
2 | * CrossFire, A Multiplayer game for X-windows |
| 3 | |
3 | * |
|
|
4 | * Copyright (C) 2005, 2006, 2007 Marc Lehmann & Crossfire+ Development Team |
| 4 | Copyright (C) 2001 Mark Wedel & Crossfire Development Team |
5 | * Copyright (C) 2001 Mark Wedel & Crossfire Development Team |
| 5 | Copyright (C) 1992 Frank Tore Johansen |
6 | * Copyright (C) 1992 Frank Tore Johansen |
| 6 | |
7 | * |
| 7 | This program is free software; you can redistribute it and/or modify |
8 | * This program is free software; you can redistribute it and/or modify |
| 8 | it under the terms of the GNU General Public License as published by |
9 | * it under the terms of the GNU General Public License as published by |
| 9 | the Free Software Foundation; either version 2 of the License, or |
10 | * the Free Software Foundation; either version 2 of the License, or |
| 10 | (at your option) any later version. |
11 | * (at your 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 GNU General Public License |
18 | * You should have received a copy of the GNU General Public License |
| 18 | along with this program; if not, write to the Free Software |
19 | * along with this program; if not, write to the Free Software |
| 19 | Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
20 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
| 20 | |
21 | * |
| 21 | The authors can be reached via e-mail at <crossfire@schmorp.de> |
22 | * The authors can be reached via e-mail at <crossfire@schmorp.de> |
| 22 | */ |
23 | */ |
| 23 | |
24 | |
| 24 | |
25 | |
| 25 | /* The onion room generator: |
26 | /* The onion room generator: |
| 26 | Onion rooms are like this: |
27 | Onion rooms are like this: |
| 27 | |
28 | |
| … | |
… | |
| 78 | } |
79 | } |
| 79 | |
80 | |
| 80 | /* pick some random options if option = 0 */ |
81 | /* pick some random options if option = 0 */ |
| 81 | if (option == 0) |
82 | if (option == 0) |
| 82 | { |
83 | { |
| 83 | switch (RANDOM () % 3) |
84 | switch (rndm (3)) |
| 84 | { |
85 | { |
| 85 | case 0: |
86 | case 0: |
| 86 | option |= RMOPT_CENTERED; |
87 | option |= RMOPT_CENTERED; |
| 87 | break; |
88 | break; |
| 88 | case 1: |
89 | case 1: |
| 89 | option |= RMOPT_BOTTOM_C; |
90 | option |= RMOPT_BOTTOM_C; |
| 90 | break; |
91 | break; |
| 91 | case 2: |
92 | case 2: |
| 92 | option |= RMOPT_BOTTOM_R; |
93 | option |= RMOPT_BOTTOM_R; |
| 93 | break; |
94 | break; |
| 94 | } |
95 | } |
| 95 | if (RANDOM () % 2) |
96 | if (rndm (2)) |
| 96 | option |= RMOPT_LINEAR; |
97 | option |= RMOPT_LINEAR; |
| 97 | if (RANDOM () % 2) |
98 | if (rndm (2)) |
| 98 | option |= RMOPT_IRR_SPACE; |
99 | option |= RMOPT_IRR_SPACE; |
| 99 | } |
100 | } |
| 100 | |
101 | |
| 101 | /* write the outer walls, if appropriate. */ |
102 | /* write the outer walls, if appropriate. */ |
| 102 | if (!(option & RMOPT_WALL_OFF)) |
103 | if (!(option & RMOPT_WALL_OFF)) |
| … | |
… | |
| 129 | float *ylocations; |
130 | float *ylocations; |
| 130 | |
131 | |
| 131 | maxlayers = (MIN (xsize, ysize) - 2) / 5; |
132 | maxlayers = (MIN (xsize, ysize) - 2) / 5; |
| 132 | if (!maxlayers) |
133 | if (!maxlayers) |
| 133 | return; /* map too small to onionize */ |
134 | return; /* map too small to onionize */ |
|
|
135 | |
| 134 | if (layers > maxlayers) |
136 | if (layers > maxlayers) |
| 135 | layers = maxlayers; |
137 | layers = maxlayers; |
|
|
138 | |
| 136 | if (layers == 0) |
139 | if (layers == 0) |
| 137 | layers = (RANDOM () % maxlayers) + 1; |
140 | layers = rndm (maxlayers) + 1; |
|
|
141 | |
| 138 | xlocations = (float *) calloc (sizeof (float), 2 * layers); |
142 | xlocations = (float *) calloc (sizeof (float), 2 * layers); |
| 139 | ylocations = (float *) calloc (sizeof (float), 2 * layers); |
143 | ylocations = (float *) calloc (sizeof (float), 2 * layers); |
| 140 | |
144 | |
| 141 | |
|
|
| 142 | /* place all the walls */ |
145 | /* place all the walls */ |
| 143 | if (option & RMOPT_IRR_SPACE) /* randomly spaced */ |
146 | if (option & RMOPT_IRR_SPACE) /* randomly spaced */ |
| 144 | { |
147 | { |
| 145 | int x_spaces_available, y_spaces_available; |
148 | int x_spaces_available, y_spaces_available; |
| 146 | |
149 | |
| 147 | /* the "extra" spaces available for spacing between layers */ |
150 | /* the "extra" spaces available for spacing between layers */ |
| 148 | x_spaces_available = (xsize - 2) - 6 * layers + 1; |
151 | x_spaces_available = (xsize - 2) - 6 * layers + 1; |
| … | |
… | |
| 153 | for (i = 0; i < 2 * layers; i++) |
156 | for (i = 0; i < 2 * layers; i++) |
| 154 | { |
157 | { |
| 155 | float xpitch = 2, ypitch = 2; |
158 | float xpitch = 2, ypitch = 2; |
| 156 | |
159 | |
| 157 | if (x_spaces_available > 0) |
160 | if (x_spaces_available > 0) |
| 158 | xpitch = 2 + (RANDOM () % x_spaces_available + RANDOM () % x_spaces_available + RANDOM () % x_spaces_available) / 3; |
161 | xpitch = 2 + (rndm (x_spaces_available) + rndm (x_spaces_available) + rndm (x_spaces_available)) / 3; |
| 159 | |
162 | |
| 160 | if (y_spaces_available > 0) |
163 | if (y_spaces_available > 0) |
| 161 | ypitch = 2 + (RANDOM () % y_spaces_available + RANDOM () % y_spaces_available + RANDOM () % y_spaces_available) / 3; |
164 | ypitch = 2 + (rndm (y_spaces_available) + rndm (y_spaces_available) + rndm (y_spaces_available)) / 3; |
|
|
165 | |
| 162 | xlocations[i] = ((i > 0) ? xlocations[i - 1] : 0) + xpitch; |
166 | xlocations[i] = ((i > 0) ? xlocations[i - 1] : 0) + xpitch; |
| 163 | ylocations[i] = ((i > 0) ? ylocations[i - 1] : 0) + ypitch; |
167 | ylocations[i] = ((i > 0) ? ylocations[i - 1] : 0) + ypitch; |
| 164 | x_spaces_available -= (int) (xpitch - 2); |
168 | x_spaces_available -= (int) (xpitch - 2); |
| 165 | y_spaces_available -= (int) (ypitch - 2); |
169 | y_spaces_available -= (int) (ypitch - 2); |
| 166 | } |
170 | } |
| … | |
… | |
| 199 | if (!maxlayers) |
203 | if (!maxlayers) |
| 200 | return; /* map too small to onionize */ |
204 | return; /* map too small to onionize */ |
| 201 | if (layers > maxlayers) |
205 | if (layers > maxlayers) |
| 202 | layers = maxlayers; |
206 | layers = maxlayers; |
| 203 | if (layers == 0) |
207 | if (layers == 0) |
| 204 | layers = (RANDOM () % maxlayers) + 1; |
208 | layers = rndm (maxlayers) + 1; |
| 205 | xlocations = (float *) calloc (sizeof (float), 2 * layers); |
209 | xlocations = (float *) calloc (sizeof (float), 2 * layers); |
| 206 | ylocations = (float *) calloc (sizeof (float), 2 * layers); |
210 | ylocations = (float *) calloc (sizeof (float), 2 * layers); |
| 207 | |
211 | |
| 208 | |
212 | |
| 209 | /* place all the walls */ |
213 | /* place all the walls */ |
| 210 | if (option & RMOPT_IRR_SPACE) /* randomly spaced */ |
214 | if (option & RMOPT_IRR_SPACE) /* randomly spaced */ |
| 211 | { |
215 | { |
| 212 | int x_spaces_available, y_spaces_available; |
216 | int x_spaces_available, y_spaces_available; |
| 213 | |
217 | |
| 214 | /* the "extra" spaces available for spacing between layers */ |
218 | /* the "extra" spaces available for spacing between layers */ |
| 215 | x_spaces_available = (xsize - 2) - 6 * layers + 1; |
219 | x_spaces_available = (xsize - 2) - 6 * layers + 1; |
| … | |
… | |
| 220 | for (i = 0; i < 2 * layers; i++) |
224 | for (i = 0; i < 2 * layers; i++) |
| 221 | { |
225 | { |
| 222 | float xpitch = 2, ypitch = 2; |
226 | float xpitch = 2, ypitch = 2; |
| 223 | |
227 | |
| 224 | if (x_spaces_available > 0) |
228 | if (x_spaces_available > 0) |
| 225 | xpitch = 2 + (RANDOM () % x_spaces_available + RANDOM () % x_spaces_available + RANDOM () % x_spaces_available) / 3; |
229 | xpitch = 2 + (rndm (x_spaces_available) + rndm (x_spaces_available) + rndm (x_spaces_available)) / 3; |
| 226 | |
230 | |
| 227 | if (y_spaces_available > 0) |
231 | if (y_spaces_available > 0) |
| 228 | ypitch = 2 + (RANDOM () % y_spaces_available + RANDOM () % y_spaces_available + RANDOM () % y_spaces_available) / 3; |
232 | ypitch = 2 + (rndm (y_spaces_available) + rndm (y_spaces_available) + rndm (y_spaces_available)) / 3; |
|
|
233 | |
| 229 | xlocations[i] = ((i > 0) ? xlocations[i - 1] : 0) + xpitch; |
234 | xlocations[i] = ((i > 0) ? xlocations[i - 1] : 0) + xpitch; |
| 230 | if (i < layers) |
235 | if (i < layers) |
| 231 | ylocations[i] = ((i > 0) ? ylocations[i - 1] : 0) + ypitch; |
236 | ylocations[i] = ((i > 0) ? ylocations[i - 1] : 0) + ypitch; |
| 232 | else |
237 | else |
| 233 | ylocations[i] = ysize - 1; |
238 | ylocations[i] = ysize - 1; |
|
|
239 | |
| 234 | x_spaces_available -= (int) (xpitch - 2); |
240 | x_spaces_available -= (int) (xpitch - 2); |
| 235 | y_spaces_available -= (int) (ypitch - 2); |
241 | y_spaces_available -= (int) (ypitch - 2); |
| 236 | } |
242 | } |
| 237 | |
243 | |
| 238 | } |
244 | } |
| … | |
… | |
| 306 | freedoms = 3; |
312 | freedoms = 3; |
| 307 | if (options & RMOPT_BOTTOM_R) |
313 | if (options & RMOPT_BOTTOM_R) |
| 308 | freedoms = 2; |
314 | freedoms = 2; |
| 309 | if (layers <= 0) |
315 | if (layers <= 0) |
| 310 | return; |
316 | return; |
|
|
317 | |
| 311 | /* pick which wall will have a door. */ |
318 | /* pick which wall will have a door. */ |
| 312 | which_wall = RANDOM () % freedoms + 1; |
319 | which_wall = rndm (freedoms) + 1; |
| 313 | for (l = 0; l < layers; l++) |
320 | for (l = 0; l < layers; l++) |
| 314 | { |
321 | { |
| 315 | if (options & RMOPT_LINEAR) |
322 | if (options & RMOPT_LINEAR) |
| 316 | { /* linear door placement. */ |
323 | { /* linear door placement. */ |
| 317 | switch (which_wall) |
324 | switch (which_wall) |
| 318 | { |
325 | { |
| 319 | case 1: |
326 | case 1: |
| 320 | { /* left hand wall */ |
327 | { /* left hand wall */ |
| 321 | x1 = (int) xlocations[l]; |
328 | x1 = (int) xlocations[l]; |
| 322 | y1 = (int) ((ylocations[l] + ylocations[2 * layers - l - 1]) / 2); |
329 | y1 = (int) ((ylocations[l] + ylocations[2 * layers - l - 1]) / 2); |
| 323 | break; |
330 | break; |
| 324 | } |
331 | } |
| 325 | case 2: |
332 | case 2: |
| 326 | { /* top wall placement */ |
333 | { /* top wall placement */ |
| 327 | x1 = (int) ((xlocations[l] + xlocations[2 * layers - l - 1]) / 2); |
334 | x1 = (int) ((xlocations[l] + xlocations[2 * layers - l - 1]) / 2); |
| 328 | y1 = (int) ylocations[l]; |
335 | y1 = (int) ylocations[l]; |
| 329 | break; |
336 | break; |
| 330 | } |
337 | } |
| 331 | case 3: |
338 | case 3: |
| 332 | { /* right wall placement */ |
339 | { /* right wall placement */ |
| 333 | x1 = (int) xlocations[2 * layers - l - 1]; |
340 | x1 = (int) xlocations[2 * layers - l - 1]; |
| 334 | y1 = (int) ((ylocations[l] + ylocations[2 * layers - l - 1]) / 2); |
341 | y1 = (int) ((ylocations[l] + ylocations[2 * layers - l - 1]) / 2); |
| 335 | break; |
342 | break; |
| 336 | } |
343 | } |
| 337 | case 4: |
344 | case 4: |
| 338 | { /* bottom wall placement */ |
345 | { /* bottom wall placement */ |
| 339 | x1 = (int) ((xlocations[l] + xlocations[2 * layers - l - 1]) / 2); |
346 | x1 = (int) ((xlocations[l] + xlocations[2 * layers - l - 1]) / 2); |
| 340 | y1 = (int) ylocations[2 * layers - l - 1]; |
347 | y1 = (int) ylocations[2 * layers - l - 1]; |
| 341 | break; |
348 | break; |
| 342 | } |
349 | } |
| 343 | } |
350 | } |
| 344 | } |
351 | } |
| 345 | else |
352 | else |
| 346 | { /* random door placement. */ |
353 | { /* random door placement. */ |
| 347 | which_wall = RANDOM () % freedoms + 1; |
354 | which_wall = rndm (freedoms) + 1; |
| 348 | switch (which_wall) |
355 | switch (which_wall) |
| 349 | { |
356 | { |
| 350 | case 1: |
357 | case 1: |
| 351 | { /* left hand wall */ |
358 | { /* left hand wall */ |
| 352 | x1 = (int) xlocations[l]; |
359 | x1 = (int) xlocations[l]; |
| 353 | y2 = (int) (ylocations[2 * layers - l - 1] - ylocations[l] - 1); |
360 | y2 = (int) (ylocations[2 * layers - l - 1] - ylocations[l] - 1); |
| 354 | if (y2 > 0) |
361 | if (y2 > 0) |
| 355 | y1 = (int) (ylocations[l] + RANDOM () % y2 + 1); |
362 | y1 = (int) (ylocations[l] + rndm (y2) + 1); |
| 356 | else |
363 | else |
| 357 | y1 = (int) (ylocations[l] + 1); |
364 | y1 = (int) (ylocations[l] + 1); |
| 358 | break; |
365 | break; |
| 359 | } |
366 | } |
| 360 | case 2: |
367 | case 2: |
| 361 | { /* top wall placement */ |
368 | { /* top wall placement */ |
| 362 | x2 = (int) ((-xlocations[l] + xlocations[2 * layers - l - 1])) - 1; |
369 | x2 = (int) ((-xlocations[l] + xlocations[2 * layers - l - 1])) - 1; |
| 363 | if (x2 > 0) |
370 | if (x2 > 0) |
| 364 | x1 = (int) (xlocations[l] + RANDOM () % x2 + 1); |
371 | x1 = (int) (xlocations[l] + rndm (x2) + 1); |
| 365 | else |
372 | else |
| 366 | x1 = (int) (xlocations[l] + 1); |
373 | x1 = (int) (xlocations[l] + 1); |
| 367 | y1 = (int) ylocations[l]; |
374 | y1 = (int) ylocations[l]; |
| 368 | break; |
375 | break; |
| 369 | } |
376 | } |
| 370 | case 3: |
377 | case 3: |
| 371 | { /* right wall placement */ |
378 | { /* right wall placement */ |
| 372 | x1 = (int) xlocations[2 * layers - l - 1]; |
379 | x1 = (int) xlocations[2 * layers - l - 1]; |
| 373 | y2 = (int) ((-ylocations[l] + ylocations[2 * layers - l - 1])) - 1; |
380 | y2 = (int) ((-ylocations[l] + ylocations[2 * layers - l - 1])) - 1; |
| 374 | if (y2 > 0) |
381 | if (y2 > 0) |
| 375 | y1 = (int) (ylocations[l] + RANDOM () % y2 + 1); |
382 | y1 = (int) (ylocations[l] + rndm (y2) + 1); |
| 376 | else |
383 | else |
| 377 | y1 = (int) (ylocations[l] + 1); |
384 | y1 = (int) (ylocations[l] + 1); |
| 378 | |
385 | |
| 379 | break; |
386 | break; |
| 380 | } |
387 | } |
| 381 | case 4: |
388 | case 4: |
| 382 | { /* bottom wall placement */ |
389 | { /* bottom wall placement */ |
| 383 | x2 = (int) ((-xlocations[l] + xlocations[2 * layers - l - 1])) - 1; |
390 | x2 = (int) ((-xlocations[l] + xlocations[2 * layers - l - 1])) - 1; |
| 384 | if (x2 > 0) |
391 | if (x2 > 0) |
| 385 | x1 = (int) (xlocations[l] + RANDOM () % x2 + 1); |
392 | x1 = (int) (xlocations[l] + rndm (x2) + 1); |
| 386 | else |
393 | else |
| 387 | x1 = (int) (xlocations[l] + 1); |
394 | x1 = (int) (xlocations[l] + 1); |
| 388 | y1 = (int) ylocations[2 * layers - l - 1]; |
395 | y1 = (int) ylocations[2 * layers - l - 1]; |
| 389 | break; |
396 | break; |
| 390 | } |
397 | } |
| 391 | |
398 | |
| 392 | } |
399 | } |
| 393 | } |
400 | } |
| 394 | if (options & RMOPT_NO_DOORS) |
401 | if (options & RMOPT_NO_DOORS) |
| 395 | maze[x1][y1] = '#'; /* no door. */ |
402 | maze[x1][y1] = '#'; /* no door. */ |
| … | |
… | |
| 420 | if (!maxlayers) |
427 | if (!maxlayers) |
| 421 | return; /* map too small to onionize */ |
428 | return; /* map too small to onionize */ |
| 422 | if (layers > maxlayers) |
429 | if (layers > maxlayers) |
| 423 | layers = maxlayers; |
430 | layers = maxlayers; |
| 424 | if (layers == 0) |
431 | if (layers == 0) |
| 425 | layers = (RANDOM () % maxlayers) + 1; |
432 | layers = rndm (maxlayers) + 1; |
|
|
433 | |
| 426 | xlocations = (float *) calloc (sizeof (float), 2 * layers); |
434 | xlocations = (float *) calloc (sizeof (float), 2 * layers); |
| 427 | ylocations = (float *) calloc (sizeof (float), 2 * layers); |
435 | ylocations = (float *) calloc (sizeof (float), 2 * layers); |
| 428 | |
436 | |
| 429 | |
|
|
| 430 | /* place all the walls */ |
437 | /* place all the walls */ |
| 431 | if (option & RMOPT_IRR_SPACE) /* randomly spaced */ |
438 | if (option & RMOPT_IRR_SPACE) /* randomly spaced */ |
| 432 | { |
439 | { |
| 433 | int x_spaces_available, y_spaces_available; |
440 | int x_spaces_available, y_spaces_available; |
| 434 | |
441 | |
| 435 | /* the "extra" spaces available for spacing between layers */ |
442 | /* the "extra" spaces available for spacing between layers */ |
| 436 | x_spaces_available = (xsize - 2) - 3 * layers + 1; |
443 | x_spaces_available = (xsize - 2) - 3 * layers + 1; |
| … | |
… | |
| 441 | for (i = 0; i < 2 * layers; i++) |
448 | for (i = 0; i < 2 * layers; i++) |
| 442 | { |
449 | { |
| 443 | float xpitch = 2, ypitch = 2; |
450 | float xpitch = 2, ypitch = 2; |
| 444 | |
451 | |
| 445 | if (x_spaces_available > 0) |
452 | if (x_spaces_available > 0) |
| 446 | xpitch = 2 + (RANDOM () % x_spaces_available + RANDOM () % x_spaces_available + RANDOM () % x_spaces_available) / 3; |
453 | xpitch = 2 + (rndm (x_spaces_available) + rndm (x_spaces_available) + rndm (x_spaces_available)) / 3; |
| 447 | |
454 | |
| 448 | if (y_spaces_available > 0) |
455 | if (y_spaces_available > 0) |
| 449 | ypitch = 2 + (RANDOM () % y_spaces_available + RANDOM () % y_spaces_available + RANDOM () % y_spaces_available) / 3; |
456 | ypitch = 2 + (rndm (y_spaces_available) + rndm (y_spaces_available) + rndm (y_spaces_available)) / 3; |
|
|
457 | |
| 450 | if (i < layers) |
458 | if (i < layers) |
| 451 | xlocations[i] = ((i > 0) ? xlocations[i - 1] : 0) + xpitch; |
459 | xlocations[i] = ((i > 0) ? xlocations[i - 1] : 0) + xpitch; |
| 452 | else |
460 | else |
| 453 | xlocations[i] = xsize - 1; |
461 | xlocations[i] = xsize - 1; |
| 454 | |
462 | |
