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Comparing deliantra/server/server/move.C (file contents):
Revision 1.32 by root, Mon Oct 12 14:00:59 2009 UTC vs.
Revision 1.40 by root, Sun Apr 11 00:34:06 2010 UTC

1/* 1/*
2 * This file is part of Deliantra, the Roguelike Realtime MMORPG. 2 * This file is part of Deliantra, the Roguelike Realtime MMORPG.
3 * 3 *
4 * Copyright (©) 2005,2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team 4 * Copyright (©) 2005,2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
5 * Copyright (©) 2002,2007 Mark Wedel & Crossfire Development Team 5 * Copyright (©) 2002 Mark Wedel & Crossfire Development Team
6 * Copyright (©) 1992,2007 Frank Tore Johansen 6 * Copyright (©) 1992 Frank Tore Johansen
7 * 7 *
8 * Deliantra is free software: you can redistribute it and/or modify it under 8 * Deliantra is free software: you can redistribute it and/or modify it under
9 * the terms of the Affero GNU General Public License as published by the 9 * the terms of the Affero GNU General Public License as published by the
10 * Free Software Foundation, either version 3 of the License, or (at your 10 * Free Software Foundation, either version 3 of the License, or (at your
11 * option) any later version. 11 * option) any later version.
… …
25#include <global.h> 25#include <global.h>
26#ifndef __CEXTRACT__ 26#ifndef __CEXTRACT__
27# include <sproto.h> 27# include <sproto.h>
28#endif 28#endif
29 29
30/*
31 * move_object() tries to move object op in the direction "dir".
32 * If it fails (something blocks the passage), it returns 0,
33 * otherwise 1.
34 * This is an improvement from the previous move_ob(), which
35 * removed and inserted objects even if they were unable to move.
36 */
37int
38move_object (object *op, int dir)
39{
40 return op->move (dir);
41}
42
43/* object op is trying to move in direction dir.
44 * originator is typically the same as op, but
45 * can be different if originator is causing op to
46 * move (originator is pushing op)
47 * returns 0 if the object is not able to move to the
48 * desired space, 1 otherwise (in which case we also
49 * move the object accordingly. This function is
50 * very similiar to move_object.
51 */
52int
53move_ob (object *op, int dir, object *originator)
54{
55 return op->move (dir, originator);
56}
57
58int 30int
59object::move (int dir, object *originator) 31object::move (int dir, object *originator)
60{ 32{
61 sint16 newx = x + freearr_x[dir]; 33 sint16 newx = x + freearr_x[dir];
62 sint16 newy = y + freearr_y[dir]; 34 sint16 newy = y + freearr_y[dir];
… …
183 155
184 /* Find all other teleporters within range. This range 156 /* Find all other teleporters within range. This range
185 * should really be setable by some object attribute instead of 157 * should really be setable by some object attribute instead of
186 * using hard coded values. 158 * using hard coded values.
187 */ 159 */
188 unordered_mapwalk (teleporter, -5, -5, 5, 5) 160 unordered_mapwalk (mapwalk_buf, teleporter, -5, -5, 5, 5)
189 { 161 {
190 mapspace &ms = m->at (nx, ny); 162 mapspace &ms = m->at (nx, ny);
191 163
192 for (object *tmp = ms.top; tmp; tmp = tmp->below) 164 for (object *tmp = ms.top; tmp; tmp = tmp->below)
193 if (tmp->type == tele_type) 165 if (tmp->type == tele_type)
… …
246 return !other_teleporter->map->insert ( 218 return !other_teleporter->map->insert (
247 user, other_teleporter->x + freearr_x[k], other_teleporter->y + freearr_y[k] 219 user, other_teleporter->x + freearr_x[k], other_teleporter->y + freearr_y[k]
248 ); 220 );
249} 221}
250 222
251void
252recursive_roll (object *op, int dir, object *pusher)
253{
254 if (!roll_ob (op, dir, pusher))
255 {
256 new_draw_info_format (NDI_UNIQUE, 0, pusher, "You fail to push the %s.", query_name (op));
257 return;
258 }
259
260 move_ob (pusher, dir, pusher);
261 new_draw_info_format (NDI_BLACK, 0, pusher, "You move the %s.", query_name (op));
262 return;
263}
264
265/* 223/*
266 * This is a new version of blocked, this one handles objects 224 * This is a new version of blocked, this one handles objects
267 * that can be passed through by monsters with the CAN_PASS_THRU defined. 225 * that can be passed through by monsters with the CAN_PASS_THRU defined.
268 * 226 *
269 * very new version handles also multipart objects 227 * very new version handles also multipart objects
270 * This is currently only used for the boulder roll code. 228 * This is currently only used for the boulder roll code.
271 * Returns 1 if object does not fit, 0 if it does. 229 * Returns 1 if object does not fit, 0 if it does.
272 */ 230 */
273 231static int
274int
275try_fit (object *op, maptile *m, int x, int y) 232try_fit (object *op, maptile *m, int x, int y)
276{ 233{
277 object *tmp, *more; 234 object *tmp, *more;
278 sint16 tx, ty; 235 sint16 tx, ty;
279 int mflags; 236 int mflags;
… …
295 for (tmp = GET_MAP_OB (m2, tx, ty); tmp; tmp = tmp->above) 252 for (tmp = GET_MAP_OB (m2, tx, ty); tmp; tmp = tmp->above)
296 { 253 {
297 if (tmp->head == op || tmp == op) 254 if (tmp->head == op || tmp == op)
298 continue; 255 continue;
299 256
300 if ((QUERY_FLAG (tmp, FLAG_ALIVE) && tmp->type != DOOR)) 257 if ((tmp->flag [FLAG_ALIVE] && tmp->type != DOOR))
301 return 1; 258 return 1;
302 259
303 if (OB_MOVE_BLOCK (op, tmp)) 260 if (OB_MOVE_BLOCK (op, tmp))
304 return 1; 261 return 1;
305 262
… …
311/* 268/*
312 * this is not perfect yet. 269 * this is not perfect yet.
313 * it does not roll objects behind multipart objects properly. 270 * it does not roll objects behind multipart objects properly.
314 * Support for rolling multipart objects is questionable. 271 * Support for rolling multipart objects is questionable.
315 */ 272 */
316int 273static int
317roll_ob (object *op, int dir, object *pusher) 274roll_ob (object *op, int dir, object *pusher)
318{ 275{
319 sint16 x, y; 276 sint16 x, y;
320 int flags; 277 int flags;
321 maptile *m; 278 maptile *m;
… …
325 op = op->head; 282 op = op->head;
326 283
327 x = op->x + freearr_x[dir]; 284 x = op->x + freearr_x[dir];
328 y = op->y + freearr_y[dir]; 285 y = op->y + freearr_y[dir];
329 286
330 if (!QUERY_FLAG (op, FLAG_CAN_ROLL) 287 if (!op->flag [FLAG_CAN_ROLL]
331 || (op->weight && random_roll (0, op->weight / 50000 - 1, pusher, PREFER_LOW) 288 || (op->weight && random_roll (0, op->weight / 50000 - 1, pusher, PREFER_LOW)
332 > pusher->stats.Str)) 289 > pusher->stats.Str))
333 return 0; 290 return 0;
334 291
335 m = op->map; 292 m = op->map;
… …
359 op->move (dir); 316 op->move (dir);
360 317
361 return 1; 318 return 1;
362} 319}
363 320
321void
322recursive_roll (object *op, int dir, object *pusher)
323{
324 if (!roll_ob (op, dir, pusher))
325 {
326 new_draw_info_format (NDI_UNIQUE, 0, pusher, "You fail to push the %s.", query_name (op));
327 return;
328 }
329
330 pusher->move (dir);
331 new_draw_info_format (NDI_BLACK, 0, pusher, "You move the %s.", query_name (op));
332 return;
333}
334
364/* returns 1 if pushing invokes a attack, 0 when not */ 335/* returns 1 if pushing invokes a attack, 0 when not */
365int 336int
366push_ob (object *who, int dir, object *pusher) 337push_ob (object *who, int dir, object *pusher)
367{ 338{
368 int str1, str2; 339 int str1, str2;
… …
371 if (who->head != NULL) 342 if (who->head != NULL)
372 who = who->head; 343 who = who->head;
373 owner = who->owner; 344 owner = who->owner;
374 345
375 /* Wake up sleeping monsters that may be pushed */ 346 /* Wake up sleeping monsters that may be pushed */
376 CLEAR_FLAG (who, FLAG_SLEEP); 347 who->clr_flag (FLAG_SLEEP);
377 348
378 /* player change place with his pets or summoned creature */ 349 /* player change place with his pets or summoned creature */
379 /* TODO: allow multi arch pushing. Can't be very difficult */ 350 /* TODO: allow multi arch pushing. Can't be very difficult */
380 if (who->more == NULL 351 if (who->more == NULL
381 && ((owner && owner->contr && pusher->contr && same_party (owner->contr->party, pusher->contr->party)) 352 && ((owner && owner->contr && pusher->contr && same_party (owner->contr->party, pusher->contr->party))
… …
408 /* We want ONLY become enemy of evil, unaggressive monster. We must RUN in them */ 379 /* We want ONLY become enemy of evil, unaggressive monster. We must RUN in them */
409 /* In original we have here a unaggressive check only - that was the reason why */ 380 /* In original we have here a unaggressive check only - that was the reason why */
410 /* we so often become an enemy of friendly monsters... */ 381 /* we so often become an enemy of friendly monsters... */
411 /* funny: was they set to unaggressive 0 (= not so nice) they don't attack */ 382 /* funny: was they set to unaggressive 0 (= not so nice) they don't attack */
412 if (owner != pusher && pusher->type == PLAYER && who->type != PLAYER && 383 if (owner != pusher && pusher->type == PLAYER && who->type != PLAYER &&
413 !QUERY_FLAG (who, FLAG_FRIENDLY) && !QUERY_FLAG (who, FLAG_NEUTRAL)) 384 !who->flag [FLAG_FRIENDLY] && !who->flag [FLAG_NEUTRAL])
414 { 385 {
415 if (pusher->contr->run_on) /* only when we run */ 386 if (pusher->contr->run_on) /* only when we run */
416 { 387 {
417 new_draw_info_format (NDI_UNIQUE, 0, pusher, "You start to attack %s!!", &who->name); 388 new_draw_info_format (NDI_UNIQUE, 0, pusher, "You start to attack %s!!", &who->name);
418 CLEAR_FLAG (who, FLAG_UNAGGRESSIVE); /* the sucker don't like you anymore */ 389 who->clr_flag (FLAG_UNAGGRESSIVE); /* the sucker don't like you anymore */
419 who->enemy = pusher; 390 who->enemy = pusher;
420 return 1; 391 return 1;
421 } 392 }
422 else 393 else
423 new_draw_info_format (NDI_UNIQUE, 0, pusher, "You avoid attacking %s.", &who->name); 394 new_draw_info_format (NDI_UNIQUE, 0, pusher, "You avoid attacking %s. H<You have to run if you wish to attack unnagressive NPCs.>", &who->name);
424 } 395 }
425 396
426 /* now, lets test stand still. we NEVER can push stand_still monsters. */ 397 /* now, let's test stand still. we NEVER can push stand_still monsters. */
427 if (QUERY_FLAG (who, FLAG_STAND_STILL)) 398 if (who->flag [FLAG_STAND_STILL])
428 { 399 {
429 new_draw_info_format (NDI_UNIQUE, 0, pusher, "You can't push %s.", &who->name); 400 new_draw_info_format (NDI_UNIQUE, 0, pusher, "You can't push %s. H<You simply can't.>", &who->name);
430 return 0; 401 return 0;
431 } 402 }
432 403
433 /* This block is basically if you are pushing friendly but 404 /* This block is basically if you are pushing friendly but
434 * non pet creaturs. 405 * non pet creaturs.
… …
437 * this pushes the other person away - its not a swap. 408 * this pushes the other person away - its not a swap.
438 */ 409 */
439 410
440 str1 = (who->stats.Str > 0 ? who->stats.Str : who->level); 411 str1 = (who->stats.Str > 0 ? who->stats.Str : who->level);
441 str2 = (pusher->stats.Str > 0 ? pusher->stats.Str : pusher->level); 412 str2 = (pusher->stats.Str > 0 ? pusher->stats.Str : pusher->level);
442 if (QUERY_FLAG (who, FLAG_WIZ) || 413 if (who->flag [FLAG_WIZ] ||
443 random_roll (str1, str1 * 5 / 2, who, PREFER_HIGH) >= 414 random_roll (str1, str1 * 5 / 2, who, PREFER_HIGH) >=
444 random_roll (str2, str2 * 5 / 2, pusher, PREFER_HIGH) || !move_object (who, dir)) 415 random_roll (str2, str2 * 5 / 2, pusher, PREFER_HIGH) || !who->move (dir))
445 { 416 {
446 if (who->type == PLAYER) 417 if (who->type == PLAYER)
447 new_draw_info_format (NDI_UNIQUE, 0, who, "%s tried to push you.", &pusher->name); 418 new_draw_info_format (NDI_UNIQUE, 0, who, "%s tried to push you.", &pusher->name);
448 419
449 return 0; 420 return 0;
… …
451 422
452 /* If we get here, the push succeeded. 423 /* If we get here, the push succeeded.
453 * Let everyone know the status. 424 * Let everyone know the status.
454 */ 425 */
455 if (who->type == PLAYER) 426 if (who->type == PLAYER)
456 {
457 new_draw_info_format (NDI_UNIQUE, 0, who, "%s pushed you.", &pusher->name); 427 new_draw_info_format (NDI_UNIQUE, 0, who, "%s pushed you.", &pusher->name);
458 } 428
459 if (pusher->type == PLAYER) 429 if (pusher->type == PLAYER)
460 {
461 new_draw_info_format (NDI_UNIQUE, 0, pusher, "You pushed %s back.", &who->name); 430 new_draw_info_format (NDI_UNIQUE, 0, pusher, "You pushed %s back.", &who->name);
462 }
463 431
464 return 1; 432 return 1;
465} 433}

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