1 | /* |
1 | /* |
2 | CrossFire, A Multiplayer game for X-windows |
2 | * CrossFire, A Multiplayer game for X-windows |
3 | |
3 | * |
|
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4 | * Copyright (C) 2005, 2006, 2007 Marc Lehmann & Crossfire+ Development Team |
4 | Copyright (C) 2001-2003 Mark Wedel & Crossfire Development Team |
5 | * Copyright (C) 2001-2003 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 | #include <global.h> |
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25 | #include <funcpoint.h> |
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26 | |
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27 | #include <loader.h> |
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28 | #include <unistd.h> |
25 | #include <unistd.h> |
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26 | |
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27 | #include "global.h" |
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28 | #include "funcpoint.h" |
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29 | |
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30 | #include "loader.h" |
29 | |
31 | |
30 | #include "path.h" |
32 | #include "path.h" |
31 | |
33 | |
32 | /* |
34 | /* |
33 | * This makes a path absolute outside the world of Crossfire. |
35 | * This makes a path absolute outside the world of Crossfire. |
… | |
… | |
36 | * it really should be called create_mapname |
38 | * it really should be called create_mapname |
37 | */ |
39 | */ |
38 | const char * |
40 | const char * |
39 | create_pathname (const char *name) |
41 | create_pathname (const char *name) |
40 | { |
42 | { |
41 | static char buf[MAX_BUF]; |
43 | static char buf[8192]; |
42 | |
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43 | /* Why? having extra / doesn't confuse unix anyplace? Dependancies |
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44 | * someplace else in the code? msw 2-17-97 |
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45 | */ |
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46 | if (*name == '/') |
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47 | sprintf (buf, "%s/%s%s", settings.datadir, settings.mapdir, name); |
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48 | else |
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49 | sprintf (buf, "%s/%s/%s", settings.datadir, settings.mapdir, name); |
44 | snprintf (buf, sizeof (buf), "%s/%s/%s", settings.datadir, settings.mapdir, name); |
50 | return (buf); |
45 | return buf; |
51 | } |
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52 | |
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53 | /* |
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54 | * same as create_pathname, but for the overlay maps. |
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55 | */ |
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56 | const char * |
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57 | create_overlay_pathname (const char *name) |
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58 | { |
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59 | static char buf[MAX_BUF]; |
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60 | |
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61 | /* Why? having extra / doesn't confuse unix anyplace? Dependancies |
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62 | * someplace else in the code? msw 2-17-97 |
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63 | */ |
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64 | if (*name == '/') |
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65 | sprintf (buf, "%s/%s%s", settings.localdir, settings.mapdir, name); |
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66 | else |
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67 | sprintf (buf, "%s/%s/%s", settings.localdir, settings.mapdir, name); |
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68 | return (buf); |
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69 | } |
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70 | |
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71 | /* |
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72 | * same as create_pathname, but for the template maps. |
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73 | */ |
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74 | const char * |
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75 | create_template_pathname (const char *name) |
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76 | { |
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77 | static char buf[MAX_BUF]; |
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78 | |
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79 | /* Why? having extra / doesn't confuse unix anyplace? Dependancies |
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80 | * someplace else in the code? msw 2-17-97 |
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81 | */ |
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82 | if (*name == '/') |
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83 | sprintf (buf, "%s/%s%s", settings.localdir, settings.templatedir, name); |
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84 | else |
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85 | sprintf (buf, "%s/%s/%s", settings.localdir, settings.templatedir, name); |
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86 | return (buf); |
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87 | } |
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88 | |
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89 | /* |
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90 | * This makes absolute path to the itemfile where unique objects |
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91 | * will be saved. Converts '/' to '@'. I think it's essier maintain |
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92 | * files than full directory structure, but if this is problem it can |
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93 | * be changed. |
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94 | */ |
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95 | static const char * |
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96 | create_items_path (const char *s) |
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97 | { |
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98 | static char buf[MAX_BUF]; |
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99 | char *t; |
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100 | |
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101 | if (*s == '/') |
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102 | s++; |
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103 | |
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104 | sprintf (buf, "%s/%s/", settings.localdir, settings.uniquedir); |
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105 | |
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106 | for (t = buf + strlen (buf); *s; s++, t++) |
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107 | if (*s == '/') |
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108 | *t = '@'; |
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109 | else |
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110 | *t = *s; |
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111 | *t = 0; |
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112 | return (buf); |
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113 | } |
46 | } |
114 | |
47 | |
115 | /* |
48 | /* |
116 | * This function checks if a file with the given path exists. |
49 | * This function checks if a file with the given path exists. |
117 | * -1 is returned if it fails, otherwise the mode of the file |
50 | * -1 is returned if it fails, otherwise the mode of the file |
… | |
… | |
135 | char *endbuf; |
68 | char *endbuf; |
136 | struct stat statbuf; |
69 | struct stat statbuf; |
137 | int mode = 0; |
70 | int mode = 0; |
138 | |
71 | |
139 | if (prepend_dir) |
72 | if (prepend_dir) |
140 | strcpy (buf, create_pathname (name)); |
73 | assign (buf, create_pathname (name)); |
141 | else |
74 | else |
142 | strcpy (buf, name); |
75 | assign (buf, name); |
143 | |
76 | |
144 | /* old method (strchr(buf, '\0')) seemd very odd to me - |
77 | /* old method (strchr(buf, '\0')) seemd very odd to me - |
145 | * this method should be equivalant and is clearer. |
78 | * this method should be equivalant and is clearer. |
146 | * Can not use strcat because we need to cycle through |
79 | * Can not use strcat because we need to cycle through |
147 | * all the names. |
80 | * all the names. |
… | |
… | |
296 | |
229 | |
297 | } |
230 | } |
298 | return 0; |
231 | return 0; |
299 | } |
232 | } |
300 | |
233 | |
301 | |
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302 | /* |
234 | /* |
303 | * Returns true if the given object can't fit in the given spot. |
235 | * Returns true if the given object can't fit in the given spot. |
304 | * This is meant for multi space objects - for single space objecs, |
236 | * This is meant for multi space objects - for single space objecs, |
305 | * just calling get_map_blocked and checking that against movement type |
237 | * just calling get_map_blocked and checking that against movement type |
306 | * of object. This function goes through all the parts of the |
238 | * of object. This function goes through all the parts of the |
… | |
… | |
398 | * carrying. |
330 | * carrying. |
399 | */ |
331 | */ |
400 | sum_weight (container); |
332 | sum_weight (container); |
401 | } |
333 | } |
402 | |
334 | |
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335 | void |
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336 | maptile::set_object_flag (int flag, int value) |
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337 | { |
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338 | if (!spaces) |
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339 | return; |
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340 | |
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341 | for (mapspace *ms = spaces + size (); ms-- > spaces; ) |
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342 | for (object *tmp = ms->bot; tmp; tmp = tmp->above) |
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343 | tmp->flag [flag] = value; |
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344 | } |
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345 | |
403 | /* link_multipart_objects go through all the objects on the map looking |
346 | /* link_multipart_objects go through all the objects on the map looking |
404 | * for objects whose arch says they are multipart yet according to the |
347 | * for objects whose arch says they are multipart yet according to the |
405 | * info we have, they only have the head (as would be expected when |
348 | * info we have, they only have the head (as would be expected when |
406 | * they are saved). We do have to look for the old maps that did save |
349 | * they are saved). We do have to look for the old maps that did save |
407 | * the more sections and not re-add sections for them. |
350 | * the more sections and not re-add sections for them. |
… | |
… | |
411 | { |
354 | { |
412 | if (!spaces) |
355 | if (!spaces) |
413 | return; |
356 | return; |
414 | |
357 | |
415 | for (mapspace *ms = spaces + size (); ms-- > spaces; ) |
358 | for (mapspace *ms = spaces + size (); ms-- > spaces; ) |
416 | for (object *tmp = ms->bot; tmp; ) |
359 | for (object *tmp = ms->bot; tmp; tmp = tmp->above) |
417 | { |
360 | { |
418 | object *above = tmp->above; |
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419 | |
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420 | /* already multipart - don't do anything more */ |
361 | /* already multipart - don't do anything more */ |
421 | if (!tmp->head && !tmp->more) |
362 | if (!tmp->head && !tmp->more) |
422 | { |
363 | { |
423 | /* If there is nothing more to this object, this for loop |
364 | /* If there is nothing more to this object, this for loop |
424 | * won't do anything. |
365 | * won't do anything. |
… | |
… | |
446 | * the coding is simpler to just to it here with each part. |
387 | * the coding is simpler to just to it here with each part. |
447 | */ |
388 | */ |
448 | insert_ob_in_map (op, op->map, tmp, INS_NO_MERGE | INS_ABOVE_FLOOR_ONLY | INS_NO_WALK_ON); |
389 | insert_ob_in_map (op, op->map, tmp, INS_NO_MERGE | INS_ABOVE_FLOOR_ONLY | INS_NO_WALK_ON); |
449 | } |
390 | } |
450 | } |
391 | } |
451 | |
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452 | tmp = above; |
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453 | } |
392 | } |
454 | } |
393 | } |
455 | |
394 | |
456 | /* |
395 | /* |
457 | * Loads (ands parses) the objects into a given map from the specified |
396 | * Loads (ands parses) the objects into a given map from the specified |
458 | * file pointer. |
397 | * file pointer. |
459 | * mapflags is the same as we get with load_original_map |
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460 | */ |
398 | */ |
461 | bool |
399 | bool |
462 | maptile::load_objects (object_thawer &thawer) |
400 | maptile::_load_objects (object_thawer &f) |
463 | { |
401 | { |
464 | int unique; |
402 | for (;;) |
465 | object *op, *prev = NULL, *last_more = NULL, *otmp; |
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466 | |
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467 | op = object::create (); |
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468 | op->map = this; /* To handle buttons correctly */ |
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469 | |
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470 | while (int i = load_object (thawer, op, 0)) |
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471 | { |
403 | { |
472 | /* if the archetype for the object is null, means that we |
404 | coroapi::cede_every (1000); // cede once in a while |
473 | * got an invalid object. Don't do anything with it - the game |
405 | |
474 | * or editor will not be able to do anything with it either. |
406 | switch (f.kw) |
475 | */ |
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476 | if (op->arch == NULL) |
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477 | { |
407 | { |
478 | LOG (llevDebug, "Discarding object without arch: %s\n", op->name ? (const char *) op->name : "(null)"); |
408 | case KW_arch: |
479 | continue; |
409 | if (object *op = object::read (f, this)) |
480 | } |
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481 | |
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482 | switch (i) |
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483 | { |
410 | { |
484 | case LL_NORMAL: |
411 | if (op->inv) |
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412 | sum_weight (op); |
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413 | |
485 | insert_ob_in_map (op, this, op, INS_NO_MERGE | INS_NO_WALK_ON | INS_ON_TOP | INS_MAP_LOAD); |
414 | insert_ob_in_map (op, this, op, INS_NO_MERGE | INS_NO_WALK_ON | INS_ON_TOP | INS_MAP_LOAD); |
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415 | } |
486 | |
416 | |
487 | if (op->inv) |
417 | continue; |
488 | sum_weight (op); |
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489 | |
418 | |
490 | prev = op, last_more = op; |
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491 | break; |
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492 | |
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493 | case LL_MORE: |
419 | case KW_EOF: |
494 | insert_ob_in_map (op, this, op, INS_NO_MERGE | INS_NO_WALK_ON | INS_ABOVE_FLOOR_ONLY); |
420 | return true; |
495 | op->head = prev, last_more->more = op, last_more = op; |
421 | |
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422 | default: |
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423 | if (!f.parse_error ("map file")) |
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424 | return false; |
496 | break; |
425 | break; |
497 | } |
426 | } |
498 | |
427 | |
499 | op = object::create (); |
428 | f.next (); |
500 | op->map = this; |
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501 | } |
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502 | |
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503 | op->destroy (); |
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504 | |
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505 | #if 0 |
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506 | for (i = 0; i < width; i++) |
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507 | for (j = 0; j < height; j++) |
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508 | { |
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509 | unique = 0; |
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510 | /* check for unique items, or unique squares */ |
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511 | for (otmp = GET_MAP_OB (m, i, j); otmp; otmp = otmp->above) |
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512 | { |
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513 | if (QUERY_FLAG (otmp, FLAG_UNIQUE) || QUERY_FLAG (otmp, FLAG_OBJ_SAVE_ON_OVL)) |
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514 | unique = 1; |
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515 | |
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516 | if (!(mapflags & (MAP_OVERLAY | MAP_PLAYER_UNIQUE) || unique)) |
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517 | SET_FLAG (otmp, FLAG_OBJ_ORIGINAL); |
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518 | } |
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519 | } |
429 | } |
520 | #endif |
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521 | |
430 | |
522 | return true; |
431 | return true; |
523 | } |
432 | } |
524 | |
433 | |
525 | void |
434 | void |
… | |
… | |
528 | if (!spaces) |
437 | if (!spaces) |
529 | return; |
438 | return; |
530 | |
439 | |
531 | for (mapspace *ms = spaces + size (); ms-- > spaces; ) |
440 | for (mapspace *ms = spaces + size (); ms-- > spaces; ) |
532 | for (object *op = ms->bot; op; op = op->above) |
441 | for (object *op = ms->bot; op; op = op->above) |
533 | op->activate (1); |
442 | op->activate_recursive (); |
534 | } |
443 | } |
535 | |
444 | |
536 | void |
445 | void |
537 | maptile::deactivate () |
446 | maptile::deactivate () |
538 | { |
447 | { |
539 | if (!spaces) |
448 | if (!spaces) |
540 | return; |
449 | return; |
541 | |
450 | |
542 | for (mapspace *ms = spaces + size (); ms-- > spaces; ) |
451 | for (mapspace *ms = spaces + size (); ms-- > spaces; ) |
543 | for (object *op = ms->bot; op; op = op->above) |
452 | for (object *op = ms->bot; op; op = op->above) |
544 | op->deactivate (1); |
453 | op->deactivate_recursive (); |
545 | } |
454 | } |
546 | |
455 | |
547 | bool |
456 | bool |
548 | maptile::save_objects (object_freezer &freezer, int flags) |
457 | maptile::_save_objects (object_freezer &f, int flags) |
549 | { |
458 | { |
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459 | static int cede_count = 0; |
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460 | |
550 | if (flags & IO_HEADER) |
461 | if (flags & IO_HEADER) |
551 | save_header (freezer); |
462 | _save_header (f); |
552 | |
463 | |
553 | if (!spaces) |
464 | if (!spaces) |
554 | return false; |
465 | return false; |
555 | |
466 | |
556 | for (int i = 0; i < size (); ++i) |
467 | for (int i = 0; i < size (); ++i) |
557 | { |
468 | { |
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469 | #if 0 // temporarily disabled for improved(?) stability, schmorp #TODO#d#//D |
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470 | if (cede_count >= 500) |
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471 | { |
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472 | cede_count = 0; |
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473 | coroapi::cede (); |
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474 | } |
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475 | #endif |
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476 | |
558 | int unique = 0; |
477 | int unique = 0; |
559 | for (object *op = spaces [i].bot; op; op = op->above) |
478 | for (object *op = spaces [i].bot; op; op = op->above) |
560 | { |
479 | { |
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480 | // count per-object, but cede only when modification-safe |
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481 | cede_count++; |
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482 | |
561 | if (op->flag [FLAG_UNIQUE] && op->flag [FLAG_IS_FLOOR]) |
483 | if (op->flag [FLAG_UNIQUE] && op->flag [FLAG_IS_FLOOR]) |
562 | unique = 1; |
484 | unique = 1; |
563 | |
485 | |
564 | if (!op->can_map_save ()) |
486 | if (!op->can_map_save ()) |
565 | continue; |
487 | continue; |
566 | |
488 | |
567 | if (unique || op->flag [FLAG_UNIQUE]) |
489 | if (unique || op->flag [FLAG_UNIQUE]) |
568 | { |
490 | { |
569 | if (flags & IO_UNIQUES) |
491 | if (flags & IO_UNIQUES) |
570 | save_object (freezer, op, 1); |
492 | op->write (f); |
571 | } |
493 | } |
572 | else if (flags & IO_OBJECTS) |
494 | else if (flags & IO_OBJECTS) |
573 | save_object (freezer, op, 1); |
495 | op->write (f); |
574 | } |
496 | } |
575 | } |
497 | } |
576 | |
498 | |
577 | return true; |
499 | return true; |
578 | } |
500 | } |
579 | |
501 | |
580 | bool |
502 | bool |
581 | maptile::load_objects (const char *path, bool skip_header) |
503 | maptile::_load_objects (const char *path, bool skip_header) |
582 | { |
504 | { |
583 | object_thawer thawer (path); |
505 | object_thawer f (path); |
584 | |
506 | |
585 | if (!thawer) |
507 | if (!f) |
586 | return false; |
508 | return false; |
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509 | |
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510 | f.next (); |
587 | |
511 | |
588 | if (skip_header) |
512 | if (skip_header) |
589 | for (;;) |
513 | for (;;) |
590 | { |
514 | { |
591 | keyword kw = thawer.get_kv (); |
515 | keyword kw = f.kw; |
592 | |
516 | f.skip (); |
593 | if (kw == KW_end) |
517 | if (kw == KW_end) |
594 | break; |
518 | break; |
595 | |
|
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596 | thawer.skip_kv (kw); |
|
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597 | } |
519 | } |
598 | |
520 | |
599 | return load_objects (thawer); |
521 | return _load_objects (f); |
600 | } |
522 | } |
601 | |
523 | |
602 | bool |
524 | bool |
603 | maptile::save_objects (const char *path, int flags) |
525 | maptile::_save_objects (const char *path, int flags) |
604 | { |
526 | { |
605 | object_freezer freezer; |
527 | object_freezer freezer; |
606 | |
528 | |
607 | if (!save_objects (freezer, flags)) |
529 | if (!_save_objects (freezer, flags)) |
608 | return false; |
530 | return false; |
609 | |
531 | |
610 | return freezer.save (path); |
532 | return freezer.save (path); |
611 | } |
533 | } |
612 | |
534 | |
613 | maptile::maptile () |
535 | maptile::maptile () |
614 | { |
536 | { |
615 | in_memory = MAP_SWAPPED; |
537 | in_memory = MAP_SWAPPED; |
616 | |
538 | |
617 | /* The maps used to pick up default x and y values from the |
539 | /* The maps used to pick up default x and y values from the |
618 | * map archetype. Mimic that behaviour. |
540 | * map archetype. Mimic that behaviour. |
619 | */ |
541 | */ |
620 | width = 16; |
542 | width = 16; |
621 | height = 16; |
543 | height = 16; |
622 | reset_timeout = 0; |
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623 | timeout = 300; |
544 | timeout = 300; |
624 | enter_x = 0; |
545 | max_nrof = 1000; // 1000 items of anything |
625 | enter_y = 0; |
546 | max_volume = 2000000; // 2m³ |
626 | } |
547 | } |
627 | |
548 | |
628 | maptile::maptile (int w, int h) |
549 | maptile::maptile (int w, int h) |
629 | { |
550 | { |
630 | in_memory = MAP_SWAPPED; |
551 | in_memory = MAP_SWAPPED; |
… | |
… | |
776 | * This could be done in lex (like the object loader), but I think |
697 | * This could be done in lex (like the object loader), but I think |
777 | * currently, there are few enough fields this is not a big deal. |
698 | * currently, there are few enough fields this is not a big deal. |
778 | * MSW 2001-07-01 |
699 | * MSW 2001-07-01 |
779 | */ |
700 | */ |
780 | bool |
701 | bool |
781 | maptile::load_header (object_thawer &thawer) |
702 | maptile::_load_header (object_thawer &thawer) |
782 | { |
703 | { |
783 | char buf[HUGE_BUF], msgbuf[HUGE_BUF], maplorebuf[HUGE_BUF], *key = NULL, *value, *end; |
|
|
784 | int msgpos = 0; |
|
|
785 | int maplorepos = 0; |
|
|
786 | |
|
|
787 | for (;;) |
704 | for (;;) |
788 | { |
705 | { |
789 | keyword kw = thawer.get_kv (); |
706 | keyword kw = thawer.get_kv (); |
790 | |
707 | |
791 | switch (kw) |
708 | switch (kw) |
792 | { |
709 | { |
793 | case KW_EOF: |
|
|
794 | LOG (llevError, "%s: end of file while reading map header, aborting header load.", &path); |
|
|
795 | return false; |
|
|
796 | |
|
|
797 | case KW_end: |
|
|
798 | return true; |
|
|
799 | |
|
|
800 | case KW_msg: |
710 | case KW_msg: |
801 | thawer.get_ml (KW_endmsg, msg); |
711 | thawer.get_ml (KW_endmsg, msg); |
802 | break; |
712 | break; |
803 | |
713 | |
804 | case KW_lore: // CF+ extension |
714 | case KW_lore: // CF+ extension |
… | |
… | |
836 | case KW_sky: thawer.get (sky); break; |
746 | case KW_sky: thawer.get (sky); break; |
837 | |
747 | |
838 | case KW_per_player: thawer.get (per_player); break; |
748 | case KW_per_player: thawer.get (per_player); break; |
839 | case KW_per_party: thawer.get (per_party); break; |
749 | case KW_per_party: thawer.get (per_party); break; |
840 | |
750 | |
841 | case KW_region: get_region_by_name (thawer.get_str ()); break; |
751 | case KW_region: default_region = region::find (thawer.get_str ()); break; |
842 | case KW_shopitems: shopitems = parse_shop_string (thawer.get_str ()); break; |
752 | case KW_shopitems: shopitems = parse_shop_string (thawer.get_str ()); break; |
843 | |
753 | |
844 | // old names new names |
754 | // old names new names |
845 | case KW_hp: case KW_enter_x: thawer.get (enter_x); break; |
755 | case KW_hp: case KW_enter_x: thawer.get (enter_x); break; |
846 | case KW_sp: case KW_enter_y: thawer.get (enter_y); break; |
756 | case KW_sp: case KW_enter_y: thawer.get (enter_y); break; |
… | |
… | |
855 | case KW_tile_path_1: thawer.get (tile_path [0]); break; |
765 | case KW_tile_path_1: thawer.get (tile_path [0]); break; |
856 | case KW_tile_path_2: thawer.get (tile_path [1]); break; |
766 | case KW_tile_path_2: thawer.get (tile_path [1]); break; |
857 | case KW_tile_path_3: thawer.get (tile_path [2]); break; |
767 | case KW_tile_path_3: thawer.get (tile_path [2]); break; |
858 | case KW_tile_path_4: thawer.get (tile_path [3]); break; |
768 | case KW_tile_path_4: thawer.get (tile_path [3]); break; |
859 | |
769 | |
|
|
770 | case KW_end: |
|
|
771 | return true; |
|
|
772 | |
860 | default: |
773 | default: |
861 | LOG (llevError, "%s: skipping unknown key in map header: %s\n", &path, keyword_str [kw]); |
774 | if (!thawer.parse_error ("map", 0)) |
|
|
775 | return false; |
862 | break; |
776 | break; |
863 | } |
777 | } |
864 | } |
778 | } |
865 | |
779 | |
866 | abort (); |
780 | abort (); |
867 | } |
781 | } |
868 | |
782 | |
869 | bool |
783 | bool |
870 | maptile::load_header (const char *path) |
784 | maptile::_load_header (const char *path) |
871 | { |
785 | { |
872 | object_thawer thawer (path); |
786 | object_thawer thawer (path); |
873 | |
787 | |
874 | if (!thawer) |
788 | if (!thawer) |
875 | return false; |
789 | return false; |
876 | |
790 | |
877 | return load_header (thawer); |
791 | return _load_header (thawer); |
878 | } |
792 | } |
879 | |
793 | |
880 | /****************************************************************************** |
794 | /****************************************************************************** |
881 | * This is the start of unique map handling code |
795 | * This is the start of unique map handling code |
882 | *****************************************************************************/ |
796 | *****************************************************************************/ |
… | |
… | |
905 | } |
819 | } |
906 | } |
820 | } |
907 | } |
821 | } |
908 | |
822 | |
909 | bool |
823 | bool |
910 | maptile::save_header (object_freezer &freezer) |
824 | maptile::_save_header (object_freezer &freezer) |
911 | { |
825 | { |
912 | #define MAP_OUT(k) freezer.put (KW_ ## k, k) |
826 | #define MAP_OUT(k) freezer.put (KW_ ## k, k) |
913 | #define MAP_OUT2(k,v) freezer.put (KW_ ## k, v) |
827 | #define MAP_OUT2(k,v) freezer.put (KW_ ## k, v) |
914 | |
828 | |
915 | MAP_OUT2 (arch, "map"); |
829 | MAP_OUT2 (arch, "map"); |
… | |
… | |
919 | MAP_OUT (reset_time); |
833 | MAP_OUT (reset_time); |
920 | MAP_OUT (reset_timeout); |
834 | MAP_OUT (reset_timeout); |
921 | MAP_OUT (fixed_resettime); |
835 | MAP_OUT (fixed_resettime); |
922 | MAP_OUT (difficulty); |
836 | MAP_OUT (difficulty); |
923 | |
837 | |
924 | if (region) MAP_OUT2 (region, region->name); |
838 | if (default_region) MAP_OUT2 (region, default_region->name); |
925 | |
839 | |
926 | if (shopitems) |
840 | if (shopitems) |
927 | { |
841 | { |
928 | char shop[MAX_BUF]; |
842 | char shop[MAX_BUF]; |
929 | print_shop_string (this, shop); |
843 | print_shop_string (this, shop); |
… | |
… | |
957 | if (tile_path [0]) MAP_OUT2 (tile_path_1, tile_path [0]); |
871 | if (tile_path [0]) MAP_OUT2 (tile_path_1, tile_path [0]); |
958 | if (tile_path [1]) MAP_OUT2 (tile_path_2, tile_path [1]); |
872 | if (tile_path [1]) MAP_OUT2 (tile_path_2, tile_path [1]); |
959 | if (tile_path [2]) MAP_OUT2 (tile_path_3, tile_path [2]); |
873 | if (tile_path [2]) MAP_OUT2 (tile_path_3, tile_path [2]); |
960 | if (tile_path [3]) MAP_OUT2 (tile_path_4, tile_path [3]); |
874 | if (tile_path [3]) MAP_OUT2 (tile_path_4, tile_path [3]); |
961 | |
875 | |
962 | MAP_OUT2 (end, 0); |
876 | freezer.put (this); |
|
|
877 | freezer.put (KW_end); |
963 | |
878 | |
964 | return true; |
879 | return true; |
965 | } |
880 | } |
966 | |
881 | |
967 | bool |
882 | bool |
968 | maptile::save_header (const char *path) |
883 | maptile::_save_header (const char *path) |
969 | { |
884 | { |
970 | object_freezer freezer; |
885 | object_freezer freezer; |
971 | |
886 | |
972 | if (!save_header (freezer)) |
887 | if (!_save_header (freezer)) |
973 | return false; |
888 | return false; |
974 | |
889 | |
975 | return freezer.save (path); |
890 | return freezer.save (path); |
976 | } |
891 | } |
977 | |
892 | |
… | |
… | |
979 | * Remove and free all objects in the given map. |
894 | * Remove and free all objects in the given map. |
980 | */ |
895 | */ |
981 | void |
896 | void |
982 | maptile::clear () |
897 | maptile::clear () |
983 | { |
898 | { |
|
|
899 | sfree (regions, size ()), regions = 0; |
|
|
900 | free (regionmap), regionmap = 0; |
|
|
901 | |
984 | if (!spaces) |
902 | if (spaces) |
985 | return; |
903 | { |
986 | |
|
|
987 | for (mapspace *ms = spaces + size (); ms-- > spaces; ) |
904 | for (mapspace *ms = spaces + size (); ms-- > spaces; ) |
988 | while (object *op = ms->bot) |
905 | while (object *op = ms->bot) |
989 | { |
906 | { |
990 | if (op->head) |
907 | if (op->head) |
991 | op = op->head; |
908 | op = op->head; |
992 | |
909 | |
993 | op->destroy_inv (false); |
910 | op->destroy_inv (false); |
994 | op->destroy (); |
911 | op->destroy (); |
995 | } |
912 | } |
996 | |
913 | |
997 | sfree (spaces, size ()), spaces = 0; |
914 | sfree (spaces, size ()), spaces = 0; |
|
|
915 | } |
998 | |
916 | |
999 | if (buttons) |
917 | if (buttons) |
1000 | free_objectlinkpt (buttons), buttons = 0; |
918 | free_objectlinkpt (buttons), buttons = 0; |
1001 | } |
919 | } |
1002 | |
920 | |
… | |
… | |
1156 | */ |
1074 | */ |
1157 | void |
1075 | void |
1158 | mapspace::update_ () |
1076 | mapspace::update_ () |
1159 | { |
1077 | { |
1160 | object *tmp, *last = 0; |
1078 | object *tmp, *last = 0; |
1161 | uint8 flags = 0, light = 0, anywhere = 0; |
1079 | uint8 flags = P_UPTODATE, light = 0, anywhere = 0; |
1162 | New_Face *top, *floor, *middle; |
1080 | facetile *top, *floor, *middle; |
1163 | object *top_obj, *floor_obj, *middle_obj; |
1081 | object *top_obj, *floor_obj, *middle_obj; |
1164 | MoveType move_block = 0, move_slow = 0, move_on = 0, move_off = 0, move_allow = 0; |
1082 | MoveType move_block = 0, move_slow = 0, move_on = 0, move_off = 0, move_allow = 0; |
1165 | |
1083 | |
1166 | middle = blank_face; |
1084 | middle = blank_face; |
1167 | top = blank_face; |
1085 | top = blank_face; |
… | |
… | |
1283 | |
1201 | |
1284 | /* If two top faces are already set, quit processing */ |
1202 | /* If two top faces are already set, quit processing */ |
1285 | if ((top != blank_face) && (middle != blank_face)) |
1203 | if ((top != blank_face) && (middle != blank_face)) |
1286 | break; |
1204 | break; |
1287 | |
1205 | |
1288 | /* Only show visible faces, unless its the editor - show all */ |
1206 | /* Only show visible faces */ |
1289 | if (!tmp->invisible || editor) |
1207 | if (!tmp->invisible) |
1290 | { |
1208 | { |
1291 | /* Fill in top if needed */ |
1209 | /* Fill in top if needed */ |
1292 | if (top == blank_face) |
1210 | if (top == blank_face) |
1293 | { |
1211 | { |
1294 | top = tmp->face; |
1212 | top = tmp->face; |
… | |
… | |
1324 | faces [0] = top; faces_obj [0] = top != blank_face ? top_obj : 0; |
1242 | faces [0] = top; faces_obj [0] = top != blank_face ? top_obj : 0; |
1325 | faces [1] = middle; faces_obj [1] = middle != blank_face ? middle_obj : 0; |
1243 | faces [1] = middle; faces_obj [1] = middle != blank_face ? middle_obj : 0; |
1326 | faces [2] = floor; faces_obj [2] = floor != blank_face ? floor_obj : 0; |
1244 | faces [2] = floor; faces_obj [2] = floor != blank_face ? floor_obj : 0; |
1327 | } |
1245 | } |
1328 | |
1246 | |
|
|
1247 | uint64 |
|
|
1248 | mapspace::volume () const |
|
|
1249 | { |
|
|
1250 | uint64 vol = 0; |
|
|
1251 | |
|
|
1252 | for (object *op = top; op && !op->flag [FLAG_NO_PICK]; op = op->below) |
|
|
1253 | vol += op->volume (); |
|
|
1254 | |
|
|
1255 | return vol; |
|
|
1256 | } |
|
|
1257 | |
1329 | /* this updates the orig_map->tile_map[tile_num] value after loading |
1258 | /* this updates the orig_map->tile_map[tile_num] value after finding |
1330 | * the map. It also takes care of linking back the freshly loaded |
1259 | * the map. It also takes care of linking back the freshly found |
1331 | * maps tile_map values if it tiles back to this one. It returns |
1260 | * maps tile_map values if it tiles back to this one. It returns |
1332 | * the value of orig_map->tile_map[tile_num]. It really only does this |
1261 | * the value of orig_map->tile_map[tile_num]. |
1333 | * so that it is easier for calling functions to verify success. |
|
|
1334 | */ |
1262 | */ |
1335 | static maptile * |
1263 | static inline maptile * |
1336 | load_and_link_tiled_map (maptile *orig_map, int tile_num) |
1264 | find_and_link (maptile *orig_map, int tile_num) |
1337 | { |
1265 | { |
|
|
1266 | maptile *mp = orig_map->tile_map [tile_num]; |
|
|
1267 | |
|
|
1268 | if (!mp) |
|
|
1269 | { |
1338 | maptile *mp = orig_map->find_map (orig_map->tile_path[tile_num]); |
1270 | mp = orig_map->find_sync (orig_map->tile_path [tile_num], orig_map); |
1339 | mp->load (); |
1271 | |
|
|
1272 | if (!mp) |
|
|
1273 | { |
|
|
1274 | // emergency mode, manufacture a dummy map, this creates a memleak, but thats fine |
|
|
1275 | LOG (llevError, "FATAL: cannot load tiled map %s from %s, leaking memory and worse!\n", |
|
|
1276 | &orig_map->tile_path[tile_num], &orig_map->path); |
|
|
1277 | mp = new maptile (1, 1); |
|
|
1278 | mp->alloc (); |
|
|
1279 | mp->in_memory = MAP_IN_MEMORY; |
|
|
1280 | } |
|
|
1281 | } |
1340 | |
1282 | |
1341 | int dest_tile = (tile_num + 2) % 4; |
1283 | int dest_tile = (tile_num + 2) % 4; |
1342 | |
1284 | |
1343 | orig_map->tile_map[tile_num] = mp; |
1285 | orig_map->tile_map [tile_num] = mp; |
1344 | |
1286 | |
1345 | /* need to do a strcmp here as the orig_map->path is not a shared string */ |
1287 | // optimisation: back-link map to origin map if euclidean |
1346 | if (orig_map->tile_map[tile_num]->tile_path[dest_tile] && orig_map->tile_map[tile_num]->tile_path[dest_tile] == orig_map->path) |
1288 | //TODO: non-euclidean maps MUST GO |
|
|
1289 | if (orig_map->tile_map[tile_num]->tile_path[dest_tile] == orig_map->path) |
1347 | orig_map->tile_map[tile_num]->tile_map[dest_tile] = orig_map; |
1290 | orig_map->tile_map[tile_num]->tile_map[dest_tile] = orig_map; |
1348 | |
1291 | |
1349 | return mp; |
1292 | return mp; |
|
|
1293 | } |
|
|
1294 | |
|
|
1295 | static inline void |
|
|
1296 | load_and_link (maptile *orig_map, int tile_num) |
|
|
1297 | { |
|
|
1298 | find_and_link (orig_map, tile_num)->load_sync (); |
1350 | } |
1299 | } |
1351 | |
1300 | |
1352 | /* this returns TRUE if the coordinates (x,y) are out of |
1301 | /* this returns TRUE if the coordinates (x,y) are out of |
1353 | * map m. This function also takes into account any |
1302 | * map m. This function also takes into account any |
1354 | * tiling considerations, loading adjacant maps as needed. |
1303 | * tiling considerations, loading adjacant maps as needed. |
… | |
… | |
1371 | { |
1320 | { |
1372 | if (!m->tile_path[3]) |
1321 | if (!m->tile_path[3]) |
1373 | return 1; |
1322 | return 1; |
1374 | |
1323 | |
1375 | if (!m->tile_map[3] || m->tile_map[3]->in_memory != MAP_IN_MEMORY) |
1324 | if (!m->tile_map[3] || m->tile_map[3]->in_memory != MAP_IN_MEMORY) |
1376 | load_and_link_tiled_map (m, 3); |
1325 | find_and_link (m, 3); |
1377 | |
1326 | |
1378 | return out_of_map (m->tile_map[3], x + m->tile_map[3]->width, y); |
1327 | return out_of_map (m->tile_map[3], x + m->tile_map[3]->width, y); |
1379 | } |
1328 | } |
1380 | |
1329 | |
1381 | if (x >= m->width) |
1330 | if (x >= m->width) |
1382 | { |
1331 | { |
1383 | if (!m->tile_path[1]) |
1332 | if (!m->tile_path[1]) |
1384 | return 1; |
1333 | return 1; |
1385 | |
1334 | |
1386 | if (!m->tile_map[1] || m->tile_map[1]->in_memory != MAP_IN_MEMORY) |
1335 | if (!m->tile_map[1] || m->tile_map[1]->in_memory != MAP_IN_MEMORY) |
1387 | load_and_link_tiled_map (m, 1); |
1336 | find_and_link (m, 1); |
1388 | |
1337 | |
1389 | return out_of_map (m->tile_map[1], x - m->width, y); |
1338 | return out_of_map (m->tile_map[1], x - m->width, y); |
1390 | } |
1339 | } |
1391 | |
1340 | |
1392 | if (y < 0) |
1341 | if (y < 0) |
1393 | { |
1342 | { |
1394 | if (!m->tile_path[0]) |
1343 | if (!m->tile_path[0]) |
1395 | return 1; |
1344 | return 1; |
1396 | |
1345 | |
1397 | if (!m->tile_map[0] || m->tile_map[0]->in_memory != MAP_IN_MEMORY) |
1346 | if (!m->tile_map[0] || m->tile_map[0]->in_memory != MAP_IN_MEMORY) |
1398 | load_and_link_tiled_map (m, 0); |
1347 | find_and_link (m, 0); |
1399 | |
1348 | |
1400 | return out_of_map (m->tile_map[0], x, y + m->tile_map[0]->height); |
1349 | return out_of_map (m->tile_map[0], x, y + m->tile_map[0]->height); |
1401 | } |
1350 | } |
1402 | |
1351 | |
1403 | if (y >= m->height) |
1352 | if (y >= m->height) |
1404 | { |
1353 | { |
1405 | if (!m->tile_path[2]) |
1354 | if (!m->tile_path[2]) |
1406 | return 1; |
1355 | return 1; |
1407 | |
1356 | |
1408 | if (!m->tile_map[2] || m->tile_map[2]->in_memory != MAP_IN_MEMORY) |
1357 | if (!m->tile_map[2] || m->tile_map[2]->in_memory != MAP_IN_MEMORY) |
1409 | load_and_link_tiled_map (m, 2); |
1358 | find_and_link (m, 2); |
1410 | |
1359 | |
1411 | return out_of_map (m->tile_map[2], x, y - m->height); |
1360 | return out_of_map (m->tile_map[2], x, y - m->height); |
1412 | } |
1361 | } |
1413 | |
1362 | |
1414 | /* Simple case - coordinates are within this local |
1363 | /* Simple case - coordinates are within this local |
… | |
… | |
1419 | |
1368 | |
1420 | /* This is basically the same as out_of_map above, but |
1369 | /* This is basically the same as out_of_map above, but |
1421 | * instead we return NULL if no map is valid (coordinates |
1370 | * instead we return NULL if no map is valid (coordinates |
1422 | * out of bounds and no tiled map), otherwise it returns |
1371 | * out of bounds and no tiled map), otherwise it returns |
1423 | * the map as that the coordinates are really on, and |
1372 | * the map as that the coordinates are really on, and |
1424 | * updates x and y to be the localized coordinates. |
1373 | * updates x and y to be the localised coordinates. |
1425 | * Using this is more efficient of calling out_of_map |
1374 | * Using this is more efficient of calling out_of_map |
1426 | * and then figuring out what the real map is |
1375 | * and then figuring out what the real map is |
1427 | */ |
1376 | */ |
1428 | maptile * |
1377 | maptile * |
1429 | get_map_from_coord (maptile *m, sint16 *x, sint16 *y) |
1378 | maptile::xy_find (sint16 &x, sint16 &y) |
1430 | { |
1379 | { |
1431 | if (*x < 0) |
1380 | if (x < 0) |
1432 | { |
1381 | { |
1433 | if (!m->tile_path[3]) |
1382 | if (!tile_path[3]) |
1434 | return 0; |
1383 | return 0; |
1435 | |
1384 | |
1436 | if (!m->tile_map[3] || m->tile_map[3]->in_memory != MAP_IN_MEMORY) |
1385 | find_and_link (this, 3); |
1437 | load_and_link_tiled_map (m, 3); |
|
|
1438 | |
|
|
1439 | *x += m->tile_map[3]->width; |
1386 | x += tile_map[3]->width; |
1440 | return (get_map_from_coord (m->tile_map[3], x, y)); |
1387 | return tile_map[3]->xy_find (x, y); |
1441 | } |
1388 | } |
1442 | |
1389 | |
1443 | if (*x >= m->width) |
1390 | if (x >= width) |
1444 | { |
1391 | { |
1445 | if (!m->tile_path[1]) |
1392 | if (!tile_path[1]) |
1446 | return 0; |
1393 | return 0; |
1447 | |
1394 | |
1448 | if (!m->tile_map[1] || m->tile_map[1]->in_memory != MAP_IN_MEMORY) |
1395 | find_and_link (this, 1); |
1449 | load_and_link_tiled_map (m, 1); |
|
|
1450 | |
|
|
1451 | *x -= m->width; |
1396 | x -= width; |
1452 | return (get_map_from_coord (m->tile_map[1], x, y)); |
1397 | return tile_map[1]->xy_find (x, y); |
1453 | } |
1398 | } |
1454 | |
1399 | |
1455 | if (*y < 0) |
1400 | if (y < 0) |
1456 | { |
1401 | { |
1457 | if (!m->tile_path[0]) |
1402 | if (!tile_path[0]) |
1458 | return 0; |
1403 | return 0; |
1459 | |
1404 | |
1460 | if (!m->tile_map[0] || m->tile_map[0]->in_memory != MAP_IN_MEMORY) |
1405 | find_and_link (this, 0); |
1461 | load_and_link_tiled_map (m, 0); |
|
|
1462 | |
|
|
1463 | *y += m->tile_map[0]->height; |
1406 | y += tile_map[0]->height; |
1464 | return (get_map_from_coord (m->tile_map[0], x, y)); |
1407 | return tile_map[0]->xy_find (x, y); |
1465 | } |
1408 | } |
1466 | |
1409 | |
1467 | if (*y >= m->height) |
1410 | if (y >= height) |
1468 | { |
1411 | { |
1469 | if (!m->tile_path[2]) |
1412 | if (!tile_path[2]) |
1470 | return 0; |
1413 | return 0; |
1471 | |
1414 | |
1472 | if (!m->tile_map[2] || m->tile_map[2]->in_memory != MAP_IN_MEMORY) |
1415 | find_and_link (this, 2); |
1473 | load_and_link_tiled_map (m, 2); |
|
|
1474 | |
|
|
1475 | *y -= m->height; |
1416 | y -= height; |
1476 | return (get_map_from_coord (m->tile_map[2], x, y)); |
1417 | return tile_map[2]->xy_find (x, y); |
1477 | } |
1418 | } |
1478 | |
1419 | |
1479 | /* Simple case - coordinates are within this local |
1420 | /* Simple case - coordinates are within this local |
1480 | * map. |
1421 | * map. |
1481 | */ |
1422 | */ |
1482 | return m; |
1423 | return this; |
1483 | } |
1424 | } |
1484 | |
1425 | |
1485 | /** |
1426 | /** |
1486 | * Return whether map2 is adjacent to map1. If so, store the distance from |
1427 | * Return whether map2 is adjacent to map1. If so, store the distance from |
1487 | * map1 to map2 in dx/dy. |
1428 | * map1 to map2 in dx/dy. |
1488 | */ |
1429 | */ |
1489 | static int |
1430 | int |
1490 | adjacent_map (const maptile *map1, const maptile *map2, int *dx, int *dy) |
1431 | adjacent_map (const maptile *map1, const maptile *map2, int *dx, int *dy) |
1491 | { |
1432 | { |
1492 | if (!map1 || !map2) |
1433 | if (!map1 || !map2) |
1493 | return 0; |
1434 | return 0; |
1494 | |
1435 | |
|
|
1436 | //TODO: this doesn't actually check corretcly when intermediate maps are not loaded |
|
|
1437 | //fix: compare paths instead (this is likely faster, too!) |
1495 | if (map1 == map2) |
1438 | if (map1 == map2) |
1496 | { |
1439 | { |
1497 | *dx = 0; |
1440 | *dx = 0; |
1498 | *dy = 0; |
1441 | *dy = 0; |
1499 | } |
1442 | } |
… | |
… | |
1559 | } |
1502 | } |
1560 | else |
1503 | else |
1561 | return 0; |
1504 | return 0; |
1562 | |
1505 | |
1563 | return 1; |
1506 | return 1; |
|
|
1507 | } |
|
|
1508 | |
|
|
1509 | maptile * |
|
|
1510 | maptile::xy_load (sint16 &x, sint16 &y) |
|
|
1511 | { |
|
|
1512 | maptile *map = xy_find (x, y); |
|
|
1513 | |
|
|
1514 | if (map) |
|
|
1515 | map->load_sync (); |
|
|
1516 | |
|
|
1517 | return map; |
|
|
1518 | } |
|
|
1519 | |
|
|
1520 | maptile * |
|
|
1521 | get_map_from_coord (maptile *m, sint16 *x, sint16 *y) |
|
|
1522 | { |
|
|
1523 | return m->xy_load (*x, *y); |
1564 | } |
1524 | } |
1565 | |
1525 | |
1566 | /* From map.c |
1526 | /* From map.c |
1567 | * This is used by get_player to determine where the other |
1527 | * This is used by get_player to determine where the other |
1568 | * creature is. get_rangevector takes into account map tiling, |
1528 | * creature is. get_rangevector takes into account map tiling, |
1569 | * so you just can not look the the map coordinates and get the |
1529 | * so you just can not look the the map coordinates and get the |
1570 | * righte value. distance_x/y are distance away, which |
1530 | * righte value. distance_x/y are distance away, which |
1571 | * can be negativbe. direction is the crossfire direction scheme |
1531 | * can be negative. direction is the crossfire direction scheme |
1572 | * that the creature should head. part is the part of the |
1532 | * that the creature should head. part is the part of the |
1573 | * monster that is closest. |
1533 | * monster that is closest. |
1574 | * |
1534 | * |
1575 | * get_rangevector looks at op1 and op2, and fills in the |
1535 | * get_rangevector looks at op1 and op2, and fills in the |
1576 | * structure for op1 to get to op2. |
1536 | * structure for op1 to get to op2. |
… | |
… | |
1587 | get_rangevector (object *op1, object *op2, rv_vector * retval, int flags) |
1547 | get_rangevector (object *op1, object *op2, rv_vector * retval, int flags) |
1588 | { |
1548 | { |
1589 | if (!adjacent_map (op1->map, op2->map, &retval->distance_x, &retval->distance_y)) |
1549 | if (!adjacent_map (op1->map, op2->map, &retval->distance_x, &retval->distance_y)) |
1590 | { |
1550 | { |
1591 | /* be conservative and fill in _some_ data */ |
1551 | /* be conservative and fill in _some_ data */ |
1592 | retval->distance = 100000; |
1552 | retval->distance = 10000; |
1593 | retval->distance_x = 32767; |
1553 | retval->distance_x = 10000; |
1594 | retval->distance_y = 32767; |
1554 | retval->distance_y = 10000; |
1595 | retval->direction = 0; |
1555 | retval->direction = 0; |
1596 | retval->part = 0; |
1556 | retval->part = 0; |
1597 | } |
1557 | } |
1598 | else |
1558 | else |
1599 | { |
1559 | { |
… | |
… | |
1604 | |
1564 | |
1605 | best = op1; |
1565 | best = op1; |
1606 | /* If this is multipart, find the closest part now */ |
1566 | /* If this is multipart, find the closest part now */ |
1607 | if (!(flags & 0x1) && op1->more) |
1567 | if (!(flags & 0x1) && op1->more) |
1608 | { |
1568 | { |
1609 | object *tmp; |
|
|
1610 | int best_distance = retval->distance_x * retval->distance_x + retval->distance_y * retval->distance_y, tmpi; |
1569 | int best_distance = retval->distance_x * retval->distance_x + retval->distance_y * retval->distance_y, tmpi; |
1611 | |
1570 | |
1612 | /* we just take the offset of the piece to head to figure |
1571 | /* we just take the offset of the piece to head to figure |
1613 | * distance instead of doing all that work above again |
1572 | * distance instead of doing all that work above again |
1614 | * since the distance fields we set above are positive in the |
1573 | * since the distance fields we set above are positive in the |
1615 | * same axis as is used for multipart objects, the simply arithmetic |
1574 | * same axis as is used for multipart objects, the simply arithmetic |
1616 | * below works. |
1575 | * below works. |
1617 | */ |
1576 | */ |
1618 | for (tmp = op1->more; tmp != NULL; tmp = tmp->more) |
1577 | for (object *tmp = op1->more; tmp; tmp = tmp->more) |
1619 | { |
1578 | { |
1620 | tmpi = (op1->x - tmp->x + retval->distance_x) * (op1->x - tmp->x + retval->distance_x) + |
1579 | tmpi = (op1->x - tmp->x + retval->distance_x) * (op1->x - tmp->x + retval->distance_x) + |
1621 | (op1->y - tmp->y + retval->distance_y) * (op1->y - tmp->y + retval->distance_y); |
1580 | (op1->y - tmp->y + retval->distance_y) * (op1->y - tmp->y + retval->distance_y); |
1622 | if (tmpi < best_distance) |
1581 | if (tmpi < best_distance) |
1623 | { |
1582 | { |
1624 | best_distance = tmpi; |
1583 | best_distance = tmpi; |
1625 | best = tmp; |
1584 | best = tmp; |
1626 | } |
1585 | } |
1627 | } |
1586 | } |
|
|
1587 | |
1628 | if (best != op1) |
1588 | if (best != op1) |
1629 | { |
1589 | { |
1630 | retval->distance_x += op1->x - best->x; |
1590 | retval->distance_x += op1->x - best->x; |
1631 | retval->distance_y += op1->y - best->y; |
1591 | retval->distance_y += op1->y - best->y; |
1632 | } |
1592 | } |
1633 | } |
1593 | } |
|
|
1594 | |
1634 | retval->part = best; |
1595 | retval->part = best; |
1635 | retval->distance = isqrt (retval->distance_x * retval->distance_x + retval->distance_y * retval->distance_y); |
1596 | retval->distance = upos_max (abs (retval->distance_x), abs (retval->distance_y)); |
1636 | retval->direction = find_dir_2 (-retval->distance_x, -retval->distance_y); |
1597 | retval->direction = find_dir_2 (-retval->distance_x, -retval->distance_y); |
1637 | } |
1598 | } |
1638 | } |
1599 | } |
1639 | |
1600 | |
1640 | /* this is basically the same as get_rangevector above, but instead of |
1601 | /* this is basically the same as get_rangevector above, but instead of |
… | |
… | |
1645 | * flags has no meaning for this function at this time - I kept it in to |
1606 | * flags has no meaning for this function at this time - I kept it in to |
1646 | * be more consistant with the above function and also in case they are needed |
1607 | * be more consistant with the above function and also in case they are needed |
1647 | * for something in the future. Also, since no object is pasted, the best |
1608 | * for something in the future. Also, since no object is pasted, the best |
1648 | * field of the rv_vector is set to NULL. |
1609 | * field of the rv_vector is set to NULL. |
1649 | */ |
1610 | */ |
1650 | |
|
|
1651 | void |
1611 | void |
1652 | get_rangevector_from_mapcoord (const maptile *m, int x, int y, const object *op2, rv_vector * retval, int flags) |
1612 | get_rangevector_from_mapcoord (const maptile *m, int x, int y, const object *op2, rv_vector *retval, int flags) |
1653 | { |
1613 | { |
1654 | if (!adjacent_map (m, op2->map, &retval->distance_x, &retval->distance_y)) |
1614 | if (!adjacent_map (m, op2->map, &retval->distance_x, &retval->distance_y)) |
1655 | { |
1615 | { |
1656 | /* be conservative and fill in _some_ data */ |
1616 | /* be conservative and fill in _some_ data */ |
1657 | retval->distance = 100000; |
1617 | retval->distance = 100000; |
… | |
… | |
1664 | { |
1624 | { |
1665 | retval->distance_x += op2->x - x; |
1625 | retval->distance_x += op2->x - x; |
1666 | retval->distance_y += op2->y - y; |
1626 | retval->distance_y += op2->y - y; |
1667 | |
1627 | |
1668 | retval->part = NULL; |
1628 | retval->part = NULL; |
1669 | retval->distance = isqrt (retval->distance_x * retval->distance_x + retval->distance_y * retval->distance_y); |
1629 | retval->distance = idistance (retval->distance_x, retval->distance_y); |
1670 | retval->direction = find_dir_2 (-retval->distance_x, -retval->distance_y); |
1630 | retval->direction = find_dir_2 (-retval->distance_x, -retval->distance_y); |
1671 | } |
1631 | } |
1672 | } |
1632 | } |
1673 | |
1633 | |
1674 | /* Returns true of op1 and op2 are effectively on the same map |
1634 | /* Returns true of op1 and op2 are effectively on the same map |
… | |
… | |
1694 | op->remove (); |
1654 | op->remove (); |
1695 | |
1655 | |
1696 | return insert_ob_in_map_at (op, this, originator, flags, x, y); |
1656 | return insert_ob_in_map_at (op, this, originator, flags, x, y); |
1697 | } |
1657 | } |
1698 | |
1658 | |
|
|
1659 | region * |
|
|
1660 | maptile::region (int x, int y) const |
|
|
1661 | { |
|
|
1662 | if (regions |
|
|
1663 | && regionmap |
|
|
1664 | && !OUT_OF_REAL_MAP (this, x, y)) |
|
|
1665 | if (struct region *reg = regionmap [regions [y * width + x]]) |
|
|
1666 | return reg; |
|
|
1667 | |
|
|
1668 | if (default_region) |
|
|
1669 | return default_region; |
|
|
1670 | |
|
|
1671 | return ::region::default_region (); |
|
|
1672 | } |
|
|
1673 | |
|
|
1674 | /* picks a random object from a style map. |
|
|
1675 | * Redone by MSW so it should be faster and not use static |
|
|
1676 | * variables to generate tables. |
|
|
1677 | */ |
|
|
1678 | object * |
|
|
1679 | maptile::pick_random_object () const |
|
|
1680 | { |
|
|
1681 | /* while returning a null object will result in a crash, that |
|
|
1682 | * is actually preferable to an infinite loop. That is because |
|
|
1683 | * most servers will automatically restart in case of crash. |
|
|
1684 | * Change the logic on getting the random space - shouldn't make |
|
|
1685 | * any difference, but this seems clearer to me. |
|
|
1686 | */ |
|
|
1687 | for (int i = 1000; --i;) |
|
|
1688 | { |
|
|
1689 | object *pick = at (rndm (width), rndm (height)).bot; |
|
|
1690 | |
|
|
1691 | // do not prefer big monsters just because they are big. |
|
|
1692 | if (pick && pick->head_ () == pick) |
|
|
1693 | return pick->head_ (); |
|
|
1694 | } |
|
|
1695 | |
|
|
1696 | // instead of crashing in the unlikely(?) case, try to return *something* |
|
|
1697 | return get_archetype ("blocked"); |
|
|
1698 | } |
|
|
1699 | |