| 1 | |
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| 2 | /* |
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| 3 | * static char *room_gen_onion_c = |
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| 4 | * "$Id: room_gen_onion.C,v 1.3 2006/09/10 16:06:37 root Exp $"; |
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| 5 | */ |
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| 6 | |
1 | |
| 7 | /* |
2 | /* |
| 8 | CrossFire, A Multiplayer game for X-windows |
3 | CrossFire, A Multiplayer game for X-windows |
| 9 | |
4 | |
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5 | Copyright (C) 2005, 2006, 2007 Marc Lehmann & Crossfire+ Development Team |
| 10 | Copyright (C) 2001 Mark Wedel & Crossfire Development Team |
6 | Copyright (C) 2001 Mark Wedel & Crossfire Development Team |
| 11 | Copyright (C) 1992 Frank Tore Johansen |
7 | Copyright (C) 1992 Frank Tore Johansen |
| 12 | |
8 | |
| 13 | This program is free software; you can redistribute it and/or modify |
9 | This program is free software; you can redistribute it and/or modify |
| 14 | it under the terms of the GNU General Public License as published by |
10 | it under the terms of the GNU General Public License as published by |
| … | |
… | |
| 22 | |
18 | |
| 23 | You should have received a copy of the GNU General Public License |
19 | You should have received a copy of the GNU General Public License |
| 24 | along with this program; if not, write to the Free Software |
20 | along with this program; if not, write to the Free Software |
| 25 | Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
21 | Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
| 26 | |
22 | |
| 27 | The authors can be reached via e-mail at crossfire-devel@real-time.com |
23 | The authors can be reached via e-mail at <crossfire@schmorp.de> |
| 28 | */ |
24 | */ |
| 29 | |
25 | |
| 30 | |
26 | |
| 31 | /* The onion room generator: |
27 | /* The onion room generator: |
| 32 | Onion rooms are like this: |
28 | Onion rooms are like this: |
| … | |
… | |
| 86 | /* pick some random options if option = 0 */ |
82 | /* pick some random options if option = 0 */ |
| 87 | if (option == 0) |
83 | if (option == 0) |
| 88 | { |
84 | { |
| 89 | switch (RANDOM () % 3) |
85 | switch (RANDOM () % 3) |
| 90 | { |
86 | { |
| 91 | case 0: |
87 | case 0: |
| 92 | option |= OPT_CENTERED; |
88 | option |= RMOPT_CENTERED; |
| 93 | break; |
89 | break; |
| 94 | case 1: |
90 | case 1: |
| 95 | option |= OPT_BOTTOM_C; |
91 | option |= RMOPT_BOTTOM_C; |
| 96 | break; |
92 | break; |
| 97 | case 2: |
93 | case 2: |
| 98 | option |= OPT_BOTTOM_R; |
94 | option |= RMOPT_BOTTOM_R; |
| 99 | break; |
95 | break; |
| 100 | } |
96 | } |
| 101 | if (RANDOM () % 2) |
97 | if (RANDOM () % 2) |
| 102 | option |= OPT_LINEAR; |
98 | option |= RMOPT_LINEAR; |
| 103 | if (RANDOM () % 2) |
99 | if (RANDOM () % 2) |
| 104 | option |= OPT_IRR_SPACE; |
100 | option |= RMOPT_IRR_SPACE; |
| 105 | } |
101 | } |
| 106 | |
102 | |
| 107 | /* write the outer walls, if appropriate. */ |
103 | /* write the outer walls, if appropriate. */ |
| 108 | if (!(option & OPT_WALL_OFF)) |
104 | if (!(option & RMOPT_WALL_OFF)) |
| 109 | { |
105 | { |
| 110 | for (i = 0; i < xsize; i++) |
106 | for (i = 0; i < xsize; i++) |
| 111 | maze[i][0] = maze[i][ysize - 1] = '#'; |
107 | maze[i][0] = maze[i][ysize - 1] = '#'; |
| 112 | for (j = 0; j < ysize; j++) |
108 | for (j = 0; j < ysize; j++) |
| 113 | maze[0][j] = maze[xsize - 1][j] = '#'; |
109 | maze[0][j] = maze[xsize - 1][j] = '#'; |
| 114 | }; |
110 | }; |
| 115 | |
111 | |
| 116 | if (option & OPT_WALLS_ONLY) |
112 | if (option & RMOPT_WALLS_ONLY) |
| 117 | return maze; |
113 | return maze; |
| 118 | |
114 | |
| 119 | /* pick off the mutually exclusive options */ |
115 | /* pick off the mutually exclusive options */ |
| 120 | if (option & OPT_BOTTOM_R) |
116 | if (option & RMOPT_BOTTOM_R) |
| 121 | bottom_right_centered_onion (maze, xsize, ysize, option, layers); |
117 | bottom_right_centered_onion (maze, xsize, ysize, option, layers); |
| 122 | else if (option & OPT_BOTTOM_C) |
118 | else if (option & RMOPT_BOTTOM_C) |
| 123 | bottom_centered_onion (maze, xsize, ysize, option, layers); |
119 | bottom_centered_onion (maze, xsize, ysize, option, layers); |
| 124 | else if (option & OPT_CENTERED) |
120 | else if (option & RMOPT_CENTERED) |
| 125 | centered_onion (maze, xsize, ysize, option, layers); |
121 | centered_onion (maze, xsize, ysize, option, layers); |
| 126 | |
122 | |
| 127 | return maze; |
123 | return maze; |
| 128 | } |
124 | } |
| 129 | |
125 | |
| … | |
… | |
| 144 | xlocations = (float *) calloc (sizeof (float), 2 * layers); |
140 | xlocations = (float *) calloc (sizeof (float), 2 * layers); |
| 145 | ylocations = (float *) calloc (sizeof (float), 2 * layers); |
141 | ylocations = (float *) calloc (sizeof (float), 2 * layers); |
| 146 | |
142 | |
| 147 | |
143 | |
| 148 | /* place all the walls */ |
144 | /* place all the walls */ |
| 149 | if (option & OPT_IRR_SPACE) /* randomly spaced */ |
145 | if (option & RMOPT_IRR_SPACE) /* randomly spaced */ |
| 150 | { |
146 | { |
| 151 | int x_spaces_available, y_spaces_available; |
147 | int x_spaces_available, y_spaces_available; |
| 152 | |
148 | |
| 153 | /* the "extra" spaces available for spacing between layers */ |
149 | /* the "extra" spaces available for spacing between layers */ |
| 154 | x_spaces_available = (xsize - 2) - 6 * layers + 1; |
150 | x_spaces_available = (xsize - 2) - 6 * layers + 1; |
| … | |
… | |
| 170 | x_spaces_available -= (int) (xpitch - 2); |
166 | x_spaces_available -= (int) (xpitch - 2); |
| 171 | y_spaces_available -= (int) (ypitch - 2); |
167 | y_spaces_available -= (int) (ypitch - 2); |
| 172 | } |
168 | } |
| 173 | |
169 | |
| 174 | } |
170 | } |
| 175 | if (!(option & OPT_IRR_SPACE)) |
171 | if (!(option & RMOPT_IRR_SPACE)) |
| 176 | { /* evenly spaced */ |
172 | { /* evenly spaced */ |
| 177 | float xpitch, ypitch; /* pitch of the onion layers */ |
173 | float xpitch, ypitch; /* pitch of the onion layers */ |
| 178 | |
174 | |
| 179 | xpitch = (xsize - 2.0) / (2.0 * layers + 1); |
175 | xpitch = (xsize - 2.0) / (2.0 * layers + 1); |
| 180 | ypitch = (ysize - 2.0) / (2.0 * layers + 1); |
176 | ypitch = (ysize - 2.0) / (2.0 * layers + 1); |
| … | |
… | |
| 211 | xlocations = (float *) calloc (sizeof (float), 2 * layers); |
207 | xlocations = (float *) calloc (sizeof (float), 2 * layers); |
| 212 | ylocations = (float *) calloc (sizeof (float), 2 * layers); |
208 | ylocations = (float *) calloc (sizeof (float), 2 * layers); |
| 213 | |
209 | |
| 214 | |
210 | |
| 215 | /* place all the walls */ |
211 | /* place all the walls */ |
| 216 | if (option & OPT_IRR_SPACE) /* randomly spaced */ |
212 | if (option & RMOPT_IRR_SPACE) /* randomly spaced */ |
| 217 | { |
213 | { |
| 218 | int x_spaces_available, y_spaces_available; |
214 | int x_spaces_available, y_spaces_available; |
| 219 | |
215 | |
| 220 | /* the "extra" spaces available for spacing between layers */ |
216 | /* the "extra" spaces available for spacing between layers */ |
| 221 | x_spaces_available = (xsize - 2) - 6 * layers + 1; |
217 | x_spaces_available = (xsize - 2) - 6 * layers + 1; |
| … | |
… | |
| 240 | x_spaces_available -= (int) (xpitch - 2); |
236 | x_spaces_available -= (int) (xpitch - 2); |
| 241 | y_spaces_available -= (int) (ypitch - 2); |
237 | y_spaces_available -= (int) (ypitch - 2); |
| 242 | } |
238 | } |
| 243 | |
239 | |
| 244 | } |
240 | } |
| 245 | if (!(option & OPT_IRR_SPACE)) |
241 | if (!(option & RMOPT_IRR_SPACE)) |
| 246 | { /* evenly spaced */ |
242 | { /* evenly spaced */ |
| 247 | float xpitch, ypitch; /* pitch of the onion layers */ |
243 | float xpitch, ypitch; /* pitch of the onion layers */ |
| 248 | |
244 | |
| 249 | xpitch = (xsize - 2.0) / (2.0 * layers + 1); |
245 | xpitch = (xsize - 2.0) / (2.0 * layers + 1); |
| 250 | ypitch = (ysize - 2.0) / (layers + 1); |
246 | ypitch = (ysize - 2.0) / (layers + 1); |
| … | |
… | |
| 306 | int freedoms; /* number of different walls on which we could place a door */ |
302 | int freedoms; /* number of different walls on which we could place a door */ |
| 307 | int which_wall; /* left, 1, top, 2, right, 3, bottom 4 */ |
303 | int which_wall; /* left, 1, top, 2, right, 3, bottom 4 */ |
| 308 | int l, x1 = 0, x2, y1 = 0, y2; |
304 | int l, x1 = 0, x2, y1 = 0, y2; |
| 309 | |
305 | |
| 310 | freedoms = 4; /* centered */ |
306 | freedoms = 4; /* centered */ |
| 311 | if (options & OPT_BOTTOM_C) |
307 | if (options & RMOPT_BOTTOM_C) |
| 312 | freedoms = 3; |
308 | freedoms = 3; |
| 313 | if (options & OPT_BOTTOM_R) |
309 | if (options & RMOPT_BOTTOM_R) |
| 314 | freedoms = 2; |
310 | freedoms = 2; |
| 315 | if (layers <= 0) |
311 | if (layers <= 0) |
| 316 | return; |
312 | return; |
| 317 | /* pick which wall will have a door. */ |
313 | /* pick which wall will have a door. */ |
| 318 | which_wall = RANDOM () % freedoms + 1; |
314 | which_wall = RANDOM () % freedoms + 1; |
| 319 | for (l = 0; l < layers; l++) |
315 | for (l = 0; l < layers; l++) |
| 320 | { |
316 | { |
| 321 | if (options & OPT_LINEAR) |
317 | if (options & RMOPT_LINEAR) |
| 322 | { /* linear door placement. */ |
318 | { /* linear door placement. */ |
| 323 | switch (which_wall) |
319 | switch (which_wall) |
| 324 | { |
320 | { |
| 325 | case 1: |
321 | case 1: |
| 326 | { /* left hand wall */ |
322 | { /* left hand wall */ |
| 327 | x1 = (int) xlocations[l]; |
323 | x1 = (int) xlocations[l]; |
| 328 | y1 = (int) ((ylocations[l] + ylocations[2 * layers - l - 1]) / 2); |
324 | y1 = (int) ((ylocations[l] + ylocations[2 * layers - l - 1]) / 2); |
| 329 | break; |
325 | break; |
| 330 | } |
326 | } |
| 331 | case 2: |
327 | case 2: |
| 332 | { /* top wall placement */ |
328 | { /* top wall placement */ |
| 333 | x1 = (int) ((xlocations[l] + xlocations[2 * layers - l - 1]) / 2); |
329 | x1 = (int) ((xlocations[l] + xlocations[2 * layers - l - 1]) / 2); |
| 334 | y1 = (int) ylocations[l]; |
330 | y1 = (int) ylocations[l]; |
| 335 | break; |
331 | break; |
| 336 | } |
332 | } |
| 337 | case 3: |
333 | case 3: |
| 338 | { /* right wall placement */ |
334 | { /* right wall placement */ |
| 339 | x1 = (int) xlocations[2 * layers - l - 1]; |
335 | x1 = (int) xlocations[2 * layers - l - 1]; |
| 340 | y1 = (int) ((ylocations[l] + ylocations[2 * layers - l - 1]) / 2); |
336 | y1 = (int) ((ylocations[l] + ylocations[2 * layers - l - 1]) / 2); |
| 341 | break; |
337 | break; |
| 342 | } |
338 | } |
| 343 | case 4: |
339 | case 4: |
| 344 | { /* bottom wall placement */ |
340 | { /* bottom wall placement */ |
| 345 | x1 = (int) ((xlocations[l] + xlocations[2 * layers - l - 1]) / 2); |
341 | x1 = (int) ((xlocations[l] + xlocations[2 * layers - l - 1]) / 2); |
| 346 | y1 = (int) ylocations[2 * layers - l - 1]; |
342 | y1 = (int) ylocations[2 * layers - l - 1]; |
| 347 | break; |
343 | break; |
| 348 | } |
344 | } |
| 349 | } |
345 | } |
| 350 | } |
346 | } |
| 351 | else |
347 | else |
| 352 | { /* random door placement. */ |
348 | { /* random door placement. */ |
| 353 | which_wall = RANDOM () % freedoms + 1; |
349 | which_wall = RANDOM () % freedoms + 1; |
| 354 | switch (which_wall) |
350 | switch (which_wall) |
| 355 | { |
351 | { |
| 356 | case 1: |
352 | case 1: |
| 357 | { /* left hand wall */ |
353 | { /* left hand wall */ |
| 358 | x1 = (int) xlocations[l]; |
354 | x1 = (int) xlocations[l]; |
| 359 | y2 = (int) (ylocations[2 * layers - l - 1] - ylocations[l] - 1); |
355 | y2 = (int) (ylocations[2 * layers - l - 1] - ylocations[l] - 1); |
| 360 | if (y2 > 0) |
356 | if (y2 > 0) |
| 361 | y1 = (int) (ylocations[l] + RANDOM () % y2 + 1); |
357 | y1 = (int) (ylocations[l] + RANDOM () % y2 + 1); |
| 362 | else |
358 | else |
| 363 | y1 = (int) (ylocations[l] + 1); |
359 | y1 = (int) (ylocations[l] + 1); |
| 364 | break; |
360 | break; |
| 365 | } |
361 | } |
| 366 | case 2: |
362 | case 2: |
| 367 | { /* top wall placement */ |
363 | { /* top wall placement */ |
| 368 | x2 = (int) ((-xlocations[l] + xlocations[2 * layers - l - 1])) - 1; |
364 | x2 = (int) ((-xlocations[l] + xlocations[2 * layers - l - 1])) - 1; |
| 369 | if (x2 > 0) |
365 | if (x2 > 0) |
| 370 | x1 = (int) (xlocations[l] + RANDOM () % x2 + 1); |
366 | x1 = (int) (xlocations[l] + RANDOM () % x2 + 1); |
| 371 | else |
367 | else |
| 372 | x1 = (int) (xlocations[l] + 1); |
368 | x1 = (int) (xlocations[l] + 1); |
| 373 | y1 = (int) ylocations[l]; |
369 | y1 = (int) ylocations[l]; |
| 374 | break; |
370 | break; |
| 375 | } |
371 | } |
| 376 | case 3: |
372 | case 3: |
| 377 | { /* right wall placement */ |
373 | { /* right wall placement */ |
| 378 | x1 = (int) xlocations[2 * layers - l - 1]; |
374 | x1 = (int) xlocations[2 * layers - l - 1]; |
| 379 | y2 = (int) ((-ylocations[l] + ylocations[2 * layers - l - 1])) - 1; |
375 | y2 = (int) ((-ylocations[l] + ylocations[2 * layers - l - 1])) - 1; |
| 380 | if (y2 > 0) |
376 | if (y2 > 0) |
| 381 | y1 = (int) (ylocations[l] + RANDOM () % y2 + 1); |
377 | y1 = (int) (ylocations[l] + RANDOM () % y2 + 1); |
| 382 | else |
378 | else |
| 383 | y1 = (int) (ylocations[l] + 1); |
379 | y1 = (int) (ylocations[l] + 1); |
| 384 | |
380 | |
| 385 | break; |
381 | break; |
| 386 | } |
382 | } |
| 387 | case 4: |
383 | case 4: |
| 388 | { /* bottom wall placement */ |
384 | { /* bottom wall placement */ |
| 389 | x2 = (int) ((-xlocations[l] + xlocations[2 * layers - l - 1])) - 1; |
385 | x2 = (int) ((-xlocations[l] + xlocations[2 * layers - l - 1])) - 1; |
| 390 | if (x2 > 0) |
386 | if (x2 > 0) |
| 391 | x1 = (int) (xlocations[l] + RANDOM () % x2 + 1); |
387 | x1 = (int) (xlocations[l] + RANDOM () % x2 + 1); |
| 392 | else |
388 | else |
| 393 | x1 = (int) (xlocations[l] + 1); |
389 | x1 = (int) (xlocations[l] + 1); |
| 394 | y1 = (int) ylocations[2 * layers - l - 1]; |
390 | y1 = (int) ylocations[2 * layers - l - 1]; |
| 395 | break; |
391 | break; |
| 396 | } |
392 | } |
| 397 | |
393 | |
| 398 | } |
394 | } |
| 399 | } |
395 | } |
| 400 | if (options & OPT_NO_DOORS) |
396 | if (options & RMOPT_NO_DOORS) |
| 401 | maze[x1][y1] = '#'; /* no door. */ |
397 | maze[x1][y1] = '#'; /* no door. */ |
| 402 | else |
398 | else |
| 403 | maze[x1][y1] = 'D'; /* write the door */ |
399 | maze[x1][y1] = 'D'; /* write the door */ |
| 404 | |
400 | |
| 405 | } |
401 | } |
| … | |
… | |
| 432 | xlocations = (float *) calloc (sizeof (float), 2 * layers); |
428 | xlocations = (float *) calloc (sizeof (float), 2 * layers); |
| 433 | ylocations = (float *) calloc (sizeof (float), 2 * layers); |
429 | ylocations = (float *) calloc (sizeof (float), 2 * layers); |
| 434 | |
430 | |
| 435 | |
431 | |
| 436 | /* place all the walls */ |
432 | /* place all the walls */ |
| 437 | if (option & OPT_IRR_SPACE) /* randomly spaced */ |
433 | if (option & RMOPT_IRR_SPACE) /* randomly spaced */ |
| 438 | { |
434 | { |
| 439 | int x_spaces_available, y_spaces_available; |
435 | int x_spaces_available, y_spaces_available; |
| 440 | |
436 | |
| 441 | /* the "extra" spaces available for spacing between layers */ |
437 | /* the "extra" spaces available for spacing between layers */ |
| 442 | x_spaces_available = (xsize - 2) - 3 * layers + 1; |
438 | x_spaces_available = (xsize - 2) - 3 * layers + 1; |
| … | |
… | |
| 465 | x_spaces_available -= (int) (xpitch - 2); |
461 | x_spaces_available -= (int) (xpitch - 2); |
| 466 | y_spaces_available -= (int) (ypitch - 2); |
462 | y_spaces_available -= (int) (ypitch - 2); |
| 467 | } |
463 | } |
| 468 | |
464 | |
| 469 | } |
465 | } |
| 470 | if (!(option & OPT_IRR_SPACE)) |
466 | if (!(option & RMOPT_IRR_SPACE)) |
| 471 | { /* evenly spaced */ |
467 | { /* evenly spaced */ |
| 472 | float xpitch, ypitch; /* pitch of the onion layers */ |
468 | float xpitch, ypitch; /* pitch of the onion layers */ |
| 473 | |
469 | |
| 474 | xpitch = (xsize - 2.0) / (2.0 * layers + 1); |
470 | xpitch = (xsize - 2.0) / (2.0 * layers + 1); |
| 475 | ypitch = (ysize - 2.0) / (layers + 1); |
471 | ypitch = (ysize - 2.0) / (layers + 1); |
