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) 2002 Mark Wedel & Crossfire Development Team |
5 | Copyright (C) 2002 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 |
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59 | move_ob (object *op, int dir, object *originator) |
60 | move_ob (object *op, int dir, object *originator) |
60 | { |
61 | { |
61 | sint16 newx = op->x + freearr_x[dir]; |
62 | sint16 newx = op->x + freearr_x[dir]; |
62 | sint16 newy = op->y + freearr_y[dir]; |
63 | sint16 newy = op->y + freearr_y[dir]; |
63 | object *tmp; |
64 | object *tmp; |
64 | mapstruct *m; |
65 | maptile *m; |
65 | int mflags; |
66 | int mflags; |
66 | |
67 | |
67 | if (op == NULL) |
68 | if (op == NULL) |
68 | { |
69 | { |
69 | LOG (llevError, "Trying to move NULL.\n"); |
70 | LOG (llevError, "Trying to move NULL.\n"); |
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76 | /* If the space the player is trying to is out of the map, |
77 | /* If the space the player is trying to is out of the map, |
77 | * bail now - we know it can't work. |
78 | * bail now - we know it can't work. |
78 | */ |
79 | */ |
79 | if (mflags & P_OUT_OF_MAP) |
80 | if (mflags & P_OUT_OF_MAP) |
80 | return 0; |
81 | return 0; |
81 | |
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82 | |
82 | |
83 | /* Is this space blocked? Players with wizpass are immune to |
83 | /* Is this space blocked? Players with wizpass are immune to |
84 | * this condition. |
84 | * this condition. |
85 | */ |
85 | */ |
86 | if (blocked_link (op, m, newx, newy) && !QUERY_FLAG (op, FLAG_WIZPASS)) |
86 | if (blocked_link (op, m, newx, newy) && !QUERY_FLAG (op, FLAG_WIZPASS)) |
… | |
… | |
88 | |
88 | |
89 | /* 0.94.2 - we need to set the direction for the new animation code. |
89 | /* 0.94.2 - we need to set the direction for the new animation code. |
90 | * it uses it to figure out face to use - I can't see it |
90 | * it uses it to figure out face to use - I can't see it |
91 | * breaking anything, but it might. |
91 | * breaking anything, but it might. |
92 | */ |
92 | */ |
93 | if (op->more != NULL && !move_ob (op->more, dir, op->more->head)) |
93 | if (op->more && !move_ob (op->more, dir, op->more->head)) |
94 | return 0; |
94 | return 0; |
95 | |
95 | |
96 | op->direction = dir; |
96 | op->direction = dir; |
97 | |
97 | |
98 | if (op->will_apply & 4) |
98 | if (op->will_apply & 4) |
99 | check_earthwalls (op, m, newx, newy); |
99 | check_earthwalls (op, m, newx, newy); |
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100 | |
100 | if (op->will_apply & 8) |
101 | if (op->will_apply & 8) |
101 | check_doors (op, m, newx, newy); |
102 | check_doors (op, m, newx, newy); |
102 | |
103 | |
103 | /* 0.94.1 - I got a stack trace that showed it crash with remove_ob trying |
104 | /* 0.94.1 - I got a stack trace that showed it crash with remove_ob trying |
104 | * to remove a removed object, and this function was the culprit. A possible |
105 | * to remove a removed object, and this function was the culprit. A possible |
… | |
… | |
121 | * ok - the caller will deal with actual object removal/insertion |
122 | * ok - the caller will deal with actual object removal/insertion |
122 | */ |
123 | */ |
123 | if (op->head) |
124 | if (op->head) |
124 | return 1; |
125 | return 1; |
125 | |
126 | |
126 | remove_ob (op); |
127 | if (m != op->map && op->contr) |
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128 | { |
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129 | if (INVOKE_MAP (LEAVE, op->map, ARG_PLAYER (op->contr))) |
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130 | return 0; |
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131 | |
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132 | op->remove (); |
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133 | |
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134 | if (INVOKE_PLAYER (MAP_CHANGE, op->contr, ARG_MAP (m), ARG_INT (newx), ARG_INT (newy))) |
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135 | return 0; |
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136 | |
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137 | if (INVOKE_MAP (ENTER, m, ARG_PLAYER (op->contr), ARG_INT (newx), ARG_INT (newy))) |
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138 | return 0; |
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139 | } |
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140 | else |
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141 | op->remove (); |
127 | |
142 | |
128 | /* we already have newx, newy, and m, so lets use them. |
143 | /* we already have newx, newy, and m, so lets use them. |
129 | * In addition, this fixes potential crashes, because multipart object was |
144 | * In addition, this fixes potential crashes, because multipart object was |
130 | * on edge of map, +=x, +=y doesn't make correct coordinates. |
145 | * on edge of map, +=x, +=y doesn't make correct coordinates. |
131 | */ |
146 | */ |
… | |
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169 | if (i == -1) |
184 | if (i == -1) |
170 | return 0; /* No free spot */ |
185 | return 0; /* No free spot */ |
171 | |
186 | |
172 | if (op->head != NULL) |
187 | if (op->head != NULL) |
173 | op = op->head; |
188 | op = op->head; |
174 | remove_ob (op); |
189 | op->remove (); |
175 | for (tmp = op; tmp != NULL; tmp = tmp->more) |
190 | for (tmp = op; tmp != NULL; tmp = tmp->more) |
176 | tmp->x = x + freearr_x[i] + (tmp->arch == NULL ? 0 : tmp->arch->clone.x), |
191 | tmp->x = x + freearr_x[i] + (tmp->arch == NULL ? 0 : tmp->arch->clone.x), |
177 | tmp->y = y + freearr_y[i] + (tmp->arch == NULL ? 0 : tmp->arch->clone.y); |
192 | tmp->y = y + freearr_y[i] + (tmp->arch == NULL ? 0 : tmp->arch->clone.y); |
178 | |
193 | |
179 | tmp = insert_ob_in_map (op, op->map, originator, 0); |
194 | tmp = insert_ob_in_map (op, op->map, originator, 0); |
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199 | teleport (object *teleporter, uint8 tele_type, object *user) |
214 | teleport (object *teleporter, uint8 tele_type, object *user) |
200 | { |
215 | { |
201 | object *altern; |
216 | object *altern; |
202 | int i, j, k, nrofalt = 0; |
217 | int i, j, k, nrofalt = 0; |
203 | object *other_teleporter, *tmp; |
218 | object *other_teleporter, *tmp; |
204 | mapstruct *m; |
219 | maptile *m; |
205 | sint16 sx, sy; |
220 | sint16 sx, sy; |
206 | |
221 | |
207 | if (user == NULL) |
222 | if (user == NULL) |
208 | return 0; |
223 | return 0; |
209 | if (user->head != NULL) |
224 | if (user->head != NULL) |
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… | |
219 | if (i == 0 && j == 0) |
234 | if (i == 0 && j == 0) |
220 | continue; |
235 | continue; |
221 | /* Perhaps this should be extended to support tiled maps */ |
236 | /* Perhaps this should be extended to support tiled maps */ |
222 | if (OUT_OF_REAL_MAP (teleporter->map, teleporter->x + i, teleporter->y + j)) |
237 | if (OUT_OF_REAL_MAP (teleporter->map, teleporter->x + i, teleporter->y + j)) |
223 | continue; |
238 | continue; |
224 | other_teleporter = get_map_ob (teleporter->map, teleporter->x + i, teleporter->y + j); |
239 | other_teleporter = GET_MAP_OB (teleporter->map, teleporter->x + i, teleporter->y + j); |
225 | |
240 | |
226 | while (other_teleporter) |
241 | while (other_teleporter) |
227 | { |
242 | { |
228 | if (other_teleporter->type == tele_type) |
243 | if (other_teleporter->type == tele_type) |
229 | break; |
244 | break; |
… | |
… | |
272 | } |
287 | } |
273 | else |
288 | else |
274 | return 0; |
289 | return 0; |
275 | } |
290 | } |
276 | |
291 | |
277 | remove_ob (user); |
292 | user->remove (); |
278 | |
293 | |
279 | /* Update location for the object */ |
294 | /* Update location for the object */ |
280 | for (tmp = user; tmp != NULL; tmp = tmp->more) |
295 | for (tmp = user; tmp != NULL; tmp = tmp->more) |
281 | { |
296 | { |
282 | tmp->x = other_teleporter->x + freearr_x[k] + (tmp->arch == NULL ? 0 : tmp->arch->clone.x); |
297 | tmp->x = other_teleporter->x + freearr_x[k] + (tmp->arch == NULL ? 0 : tmp->arch->clone.x); |
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307 | * This is currently only used for the boulder roll code. |
322 | * This is currently only used for the boulder roll code. |
308 | * Returns 1 if object does not fit, 0 if it does. |
323 | * Returns 1 if object does not fit, 0 if it does. |
309 | */ |
324 | */ |
310 | |
325 | |
311 | int |
326 | int |
312 | try_fit (object *op, mapstruct *m, int x, int y) |
327 | try_fit (object *op, maptile *m, int x, int y) |
313 | { |
328 | { |
314 | object *tmp, *more; |
329 | object *tmp, *more; |
315 | sint16 tx, ty; |
330 | sint16 tx, ty; |
316 | int mflags; |
331 | int mflags; |
317 | mapstruct *m2; |
332 | maptile *m2; |
318 | |
333 | |
319 | if (op->head) |
334 | if (op->head) |
320 | op = op->head; |
335 | op = op->head; |
321 | |
336 | |
322 | for (more = op; more; more = more->more) |
337 | for (more = op; more; more = more->more) |
… | |
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327 | mflags = get_map_flags (m, &m2, tx, ty, &tx, &ty); |
342 | mflags = get_map_flags (m, &m2, tx, ty, &tx, &ty); |
328 | |
343 | |
329 | if (mflags & P_OUT_OF_MAP) |
344 | if (mflags & P_OUT_OF_MAP) |
330 | return 1; |
345 | return 1; |
331 | |
346 | |
332 | for (tmp = get_map_ob (m2, tx, ty); tmp; tmp = tmp->above) |
347 | for (tmp = GET_MAP_OB (m2, tx, ty); tmp; tmp = tmp->above) |
333 | { |
348 | { |
334 | if (tmp->head == op || tmp == op) |
349 | if (tmp->head == op || tmp == op) |
335 | continue; |
350 | continue; |
336 | |
351 | |
337 | if ((QUERY_FLAG (tmp, FLAG_ALIVE) && tmp->type != DOOR)) |
352 | if ((QUERY_FLAG (tmp, FLAG_ALIVE) && tmp->type != DOOR)) |
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… | |
355 | roll_ob (object *op, int dir, object *pusher) |
370 | roll_ob (object *op, int dir, object *pusher) |
356 | { |
371 | { |
357 | object *tmp; |
372 | object *tmp; |
358 | sint16 x, y; |
373 | sint16 x, y; |
359 | int flags; |
374 | int flags; |
360 | mapstruct *m; |
375 | maptile *m; |
361 | MoveType move_block; |
376 | MoveType move_block; |
362 | |
377 | |
363 | if (op->head) |
378 | if (op->head) |
364 | op = op->head; |
379 | op = op->head; |
365 | |
380 | |
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378 | move_block = GET_MAP_MOVE_BLOCK (m, x, y); |
393 | move_block = GET_MAP_MOVE_BLOCK (m, x, y); |
379 | |
394 | |
380 | /* If the target space is not blocked, no need to look at the objects on it */ |
395 | /* If the target space is not blocked, no need to look at the objects on it */ |
381 | if ((op->move_type & move_block) == op->move_type) |
396 | if ((op->move_type & move_block) == op->move_type) |
382 | { |
397 | { |
383 | for (tmp = get_map_ob (m, x, y); tmp != NULL; tmp = tmp->above) |
398 | for (tmp = GET_MAP_OB (m, x, y); tmp != NULL; tmp = tmp->above) |
384 | { |
399 | { |
385 | if (tmp->head == op) |
400 | if (tmp->head == op) |
386 | continue; |
401 | continue; |
387 | if (OB_MOVE_BLOCK (op, tmp) && !roll_ob (tmp, dir, pusher)) |
402 | if (OB_MOVE_BLOCK (op, tmp) && !roll_ob (tmp, dir, pusher)) |
388 | return 0; |
403 | return 0; |
389 | } |
404 | } |
390 | } |
405 | } |
391 | if (try_fit (op, m, x, y)) |
406 | if (try_fit (op, m, x, y)) |
392 | return 0; |
407 | return 0; |
393 | |
408 | |
394 | remove_ob (op); |
409 | op->remove (); |
395 | for (tmp = op; tmp != NULL; tmp = tmp->more) |
410 | for (tmp = op; tmp != NULL; tmp = tmp->more) |
396 | tmp->x += freearr_x[dir], tmp->y += freearr_y[dir]; |
411 | tmp->x += freearr_x[dir], tmp->y += freearr_y[dir]; |
397 | insert_ob_in_map (op, op->map, pusher, 0); |
412 | insert_ob_in_map (op, op->map, pusher, 0); |
398 | return 1; |
413 | return 1; |
399 | } |
414 | } |
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405 | int str1, str2; |
420 | int str1, str2; |
406 | object *owner; |
421 | object *owner; |
407 | |
422 | |
408 | if (who->head != NULL) |
423 | if (who->head != NULL) |
409 | who = who->head; |
424 | who = who->head; |
410 | owner = get_owner (who); |
425 | owner = who->owner; |
411 | |
426 | |
412 | /* Wake up sleeping monsters that may be pushed */ |
427 | /* Wake up sleeping monsters that may be pushed */ |
413 | CLEAR_FLAG (who, FLAG_SLEEP); |
428 | CLEAR_FLAG (who, FLAG_SLEEP); |
414 | |
429 | |
415 | /* player change place with his pets or summoned creature */ |
430 | /* player change place with his pets or summoned creature */ |
… | |
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421 | && owner == pusher |
436 | && owner == pusher |
422 | #endif |
437 | #endif |
423 | ) |
438 | ) |
424 | { |
439 | { |
425 | int temp; |
440 | int temp; |
426 | mapstruct *m; |
441 | maptile *m; |
427 | |
442 | |
428 | remove_ob (who); |
443 | who->remove (); |
429 | remove_ob (pusher); |
444 | pusher->remove (); |
430 | temp = pusher->x; |
445 | temp = pusher->x; |
431 | pusher->x = who->x; |
446 | pusher->x = who->x; |
432 | who->x = temp; |
447 | who->x = temp; |
433 | |
448 | |
434 | temp = pusher->y; |
449 | temp = pusher->y; |