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Comparing deliantra/server/socket/item.C (file contents):
Revision 1.27 by root, Wed Dec 20 01:19:11 2006 UTC vs.
Revision 1.33 by root, Fri Jan 12 01:29:13 2007 UTC

1/* 1/*
2 CrossFire, A Multiplayer game for X-windows 2 * CrossFire, A Multiplayer game for X-windows
3 3 *
4 * Copyright (C) 2005, 2006, 2007 Marc Lehmann & Crossfire+ Development Team
4 Copyright (C) 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
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 author can be reached via e-mail to <crossfire@schmorp.de> 22 * The author can be reached via e-mail to <crossfire@schmorp.de>
22*/ 23 */
23 24
24/** 25/**
25 * \file 26 * \file
26 * Client/server logic. 27 * Client/server logic.
27 * 28 *
28 * \date 2003-12-02 29 * \date 2003-12-02
29 * 30 *
30 * This containes item logic for client/server. It doesn't contain 31 * This contains item logic for client/server. It doesn't contain
31 * the actual commands that send the data, but does contain 32 * the actual commands that send the data, but does contain
32 * the logic for what items should be sent. 33 * the logic for what items should be sent.
33 */ 34 */
34 35
35#include <global.h> 36#include <global.h>
36#include <object.h> /* LOOK_OBJ */ 37#include <object.h>
37#include <sproto.h> 38#include <sproto.h>
38 39
39/** This is the maximum number of bytes we expect any one item to take up */ 40/** This is the maximum number of bytes we expect any one item to take up */
40#define MAXITEMLEN 300 41#define MAXITEMLEN 300
42
43#if 0
44tag_t
45client_container::tag () const
46{
47 switch (type)
48 {
49 case CC_INVENTORY:
50 return ns->pl->count;
51 case CC_MAPSPACE:
52 return 0;
53 case CC_CONTAINER:
54 return env->count;
55 }
56
57 abort ();
58}
59
60void
61client_container::clear ()
62{
63 switch (type)
64 {
65 case CC_INVENTORY:
66 abort ();
67
68 case CC_MAPSPACE:
69 case CC_CONTAINER:
70 ns->send_packet_printf ("delinv %d", tag ());
71 break;
72 }
73
74 for (iterator i = begin (); i != end (); ++i)
75 i->op->seen_by = 0;
76
77 vector< refitem, slice_allocator<refitem> >::clear ();
78}
79
80inline iterator
81client_container::merge_item (iterator i, object *op)
82{
83 if (i != end () && i->op == op)
84 return ++i;
85
86 if (op->seen_by)
87 return; // seen by another entity already
88
89 op->seen_by = this;
90
91 refitem ref;
92 ref.op = op;
93
94 return insert (i, ref);
95}
96
97void
98client_container::update (int offset)
99{
100 iterator i = begin ();
101
102 switch (type)
103 {
104 case CC_INVENTORY:
105 case CC_CONTAINER:
106 {
107 object *env = type == CC_INVENTORY
108 ? ns->pl->ob
109 : this->env;
110
111 // pass 1, erase all objects no longer in container
112 for (iterator j = begin (); j != end (); ++j)
113 if (j->op->env != env)
114 {
115 j->op->seen_by = 0;
116 erase (j);
117 }
118
119 // pass 2 merge items
120 for (object *op = env->inv; op; op = op->below)
121 {
122 if (--offset < 0)
123 i = merge_item (i, op);
124 else if (offset < -FLOORBOX_PAGESIZE)
125 break;
126 }
127 }
128 break;
129
130 case CC_MAPSPACE:
131 {
132 // pass 1, erase all objects no longer on space
133 for (iterator j = begin (); j != end (); ++j)
134 if (j->op->x != x || j->op->y != y || j->op->map != map)
135 {
136 j->op->seen_by = 0;
137 erase (j);
138 }
139
140 // pass 2 merge items
141 for (object *op = GET_MAP_OB (map, x, y); op; op = op->above)
142 {
143 if (--offset < 0)
144 i = merge_item (i, op);
145 else if (offset < -FLOORBOX_PAGESIZE)
146 break;
147 }
148 }
149 break;
150 }
151
152 // pass 3, erase all extra items
153 for (iterator j = i; j != end (); ++j)
154 j->op->seen_by = 0;
155
156 if (i != end ())
157 erase (i, end ());
158}
159
160void
161client_container::set_mapspace (maptile *map, int x, int y)
162{
163 if (type == CC_MAPSPACE
164 && this->map == map
165 && this->x == x
166 && this->y == y)
167 return;
168
169 clear ();
170
171 type = CC_MAPSPACE;
172 this->map = map;
173 this->x = x;
174 this->y = y;
175}
176
177void
178client_container::set_container (object *env)
179{
180}
181#endif
41 182
42/******************************************************************************* 183/*******************************************************************************
43 * 184 *
44 * Functions related to sending object data to the client. 185 * Functions related to sending object data to the client.
45 * 186 *
… …
184 sl << uint16 (head->client_type); 325 sl << uint16 (head->client_type);
185 326
186 SET_FLAG (head, FLAG_CLIENT_SENT); 327 SET_FLAG (head, FLAG_CLIENT_SENT);
187} 328}
188 329
189
190/** 330/**
191 * Send the look window. Don't need to do animations here 331 * Send the look window. Don't need to do animations here
192 * This sends all the faces to the client, not just updates. This is 332 * This sends all the faces to the client, not just updates. This is
193 * because object ordering would otherwise be inconsistent. 333 * because object ordering would otherwise be inconsistent.
194 */ 334 */
195void 335void
196esrv_draw_look (object *pl) 336esrv_draw_look (object *pl)
197{ 337{
198 object *tmp, *last;
199 int got_one = 0, start_look = 0, end_look = 0; 338 int got_one = 0, start_look = 0, end_look = 0;
200 char buf[MAX_BUF]; 339 char buf[MAX_BUF];
201 340
202 if (!pl->contr->socket->update_look) 341 if (!pl->contr->ns->update_look)
203 { 342 {
204 LOG (llevDebug, "esrv_draw_look called when update_look was not set\n"); 343 LOG (llevDebug, "esrv_draw_look called when update_look was not set\n");
205 return; 344 return;
206 } 345 }
207 else 346 else
208 pl->contr->socket->update_look = 0; 347 pl->contr->ns->update_look = 0;
209 348
210 if (QUERY_FLAG (pl, FLAG_REMOVED) 349 if (QUERY_FLAG (pl, FLAG_REMOVED)
211 || !pl->map 350 || !pl->map
212 || pl->map->in_memory != MAP_IN_MEMORY 351 || pl->map->in_memory != MAP_IN_MEMORY
213 || out_of_map (pl->map, pl->x, pl->y)) 352 || out_of_map (pl->map, pl->x, pl->y))
214 return; 353 return;
215 354
216 for (tmp = get_map_ob (pl->map, pl->x, pl->y); tmp && tmp->above; tmp = tmp->above)
217 ;
218
219 pl->contr->socket->send_packet ("delinv 0"); 355 pl->contr->ns->send_packet ("delinv 0");
220 356
221 packet sl; 357 packet sl;
222 sl.printf ("item%d ", pl->contr->socket->itemcmd); 358 sl.printf ("item%d ", pl->contr->ns->itemcmd);
223 359
224 sl << uint32 (0); 360 sl << uint32 (0);
225 361
226 if (!(pl->contr->socket->faces_sent[empty_face->number] & NS_FACESENT_FACE)) 362 if (!(pl->contr->ns->faces_sent[empty_face->number] & NS_FACESENT_FACE))
227 esrv_send_face (pl->contr->socket, empty_face->number, 0); 363 esrv_send_face (pl->contr->ns, empty_face->number, 0);
228 364
229 if (pl->contr->socket->look_position) 365 if (pl->contr->ns->look_position)
230 { 366 {
231 char buf[80]; 367 char buf[80];
232 snprintf (buf, 80, "Apply this to see %d previous items", FLOORBOX_PAGESIZE); 368 snprintf (buf, 80, "Apply this to see %d previous items", FLOORBOX_PAGESIZE);
233 369
234 sl << uint32 (0x80000000 | (pl->contr->socket->look_position - FLOORBOX_PAGESIZE)) 370 sl << uint32 (0x80000000 | (pl->contr->ns->look_position - FLOORBOX_PAGESIZE))
235 << uint32 (0) 371 << uint32 (0)
236 << sint32 (-1) 372 << sint32 (-1)
237 << uint32 (empty_face->number) 373 << uint32 (empty_face->number)
238 << data8 (buf) 374 << data8 (buf)
239 << uint16 (0) 375 << uint16 (0)
240 << uint8 (0) 376 << uint8 (0)
241 << uint32 (0); 377 << uint32 (0);
242 378
243 if (pl->contr->socket->itemcmd == 2) 379 if (pl->contr->ns->itemcmd == 2)
244 sl << uint16 (0); 380 sl << uint16 (0);
245 } 381 }
246 382
383 object *tmp = pl->ms ().top;
247 for (last = NULL; tmp != last; tmp = tmp->below) 384 for (object *last = 0; tmp != last; tmp = tmp->below)
248 { 385 {
249 object *head; 386 object *head;
250 387
251 if (QUERY_FLAG (tmp, FLAG_IS_FLOOR) && !last) 388 if (QUERY_FLAG (tmp, FLAG_IS_FLOOR) && !last)
252 { 389 {
253 last = tmp->below; /* assumes double floor mode */ 390 last = tmp->below; /* assumes double floor mode */
254 if (last && QUERY_FLAG (last, FLAG_IS_FLOOR)) 391 if (last && QUERY_FLAG (last, FLAG_IS_FLOOR))
255 last = last->below; 392 last = last->below;
256 } 393 }
257 394
258 if (LOOK_OBJ (tmp)) 395 if (tmp->client_visible ())
259 { 396 {
260 if (++start_look < pl->contr->socket->look_position) 397 if (++start_look < pl->contr->ns->look_position)
261 continue; 398 continue;
262 399
263 end_look++; 400 end_look++;
264 401
265 if (end_look > FLOORBOX_PAGESIZE) 402 if (end_look > FLOORBOX_PAGESIZE)
266 { 403 {
267 /* What we basically do is make a 'fake' object - when the user applies it, 404 /* What we basically do is make a 'fake' object - when the user applies it,
268 * we notice the special tag the object has, and act accordingly. 405 * we notice the special tag the object has, and act accordingly.
269 */ 406 */
270 sl << uint32 (0x80000000 | (pl->contr->socket->look_position + FLOORBOX_PAGESIZE)) 407 sl << uint32 (0x80000000 | (pl->contr->ns->look_position + FLOORBOX_PAGESIZE))
271 << uint32 (0) 408 << uint32 (0)
272 << uint32 ((uint32) - 1) 409 << uint32 ((uint32) - 1)
273 << uint32 (empty_face->number) 410 << uint32 (empty_face->number)
274 << data8 ("Apply this to see next group of items") 411 << data8 ("Apply this to see next group of items")
275 << uint16 (0) 412 << uint16 (0)
276 << uint8 (0) 413 << uint8 (0)
277 << uint32 (0); 414 << uint32 (0);
278 415
279 if (pl->contr->socket->itemcmd == 2) 416 if (pl->contr->ns->itemcmd == 2)
280 sl << uint16 (0); 417 sl << uint16 (0);
281 418
282 break; 419 break;
283 } 420 }
284 421
285 if (tmp->head) 422 if (tmp->head)
286 head = tmp->head; 423 head = tmp->head;
287 else 424 else
288 head = tmp; 425 head = tmp;
289 426
290 add_object_to_socklist (*pl->contr->socket, sl, head); 427 add_object_to_socklist (*pl->contr->ns, sl, head);
291 got_one++; 428 got_one++;
292 429
293 if (sl.length () >= (MAXSOCKBUF - MAXITEMLEN)) 430 if (sl.length () >= (MAXSOCKBUF - MAXITEMLEN))
294 { 431 {
295 pl->contr->socket->send_packet (sl); 432 pl->contr->ns->send_packet (sl);
296 433
297 sl.reset (); 434 sl.reset ();
298 sl.printf ("item%d ", pl->contr->socket->itemcmd); 435 sl.printf ("item%d ", pl->contr->ns->itemcmd);
299 sl << uint32 (0); 436 sl << uint32 (0);
300 got_one = 0; 437 got_one = 0;
301 } 438 }
302 } 439 }
303 } 440 }
304 441
305 if (got_one) 442 if (got_one)
306 pl->contr->socket->send_packet (sl); 443 pl->contr->ns->send_packet (sl);
307 444
308} 445}
309 446
310/** 447/**
311 * Sends whole inventory. 448 * Sends whole inventory.
312 */ 449 */
313void 450void
314esrv_send_inventory (object *pl, object *op) 451esrv_send_inventory (object *pl, object *op)
315{ 452{
316 object *tmp; 453 if (!pl->contr->ns)//D
454 return;
455
317 int got_one = 0; 456 int got_one = 0;
318 457
319
320 pl->contr->socket->send_packet_printf ("delinv %d", op->count); 458 pl->contr->ns->send_packet_printf ("delinv %d", op->count);
321 459
322 packet sl; 460 packet sl;
323 sl.printf ("item%d ", pl->contr->socket->itemcmd); 461 sl.printf ("item%d ", pl->contr->ns->itemcmd);
324 462
325 sl << uint32 (op->count); 463 sl << uint32 (op->count);
326 464
327 for (tmp = op->inv; tmp; tmp = tmp->below) 465 for (object *tmp = op->inv; tmp; tmp = tmp->below)
328 { 466 {
329 object *head; 467 object *head;
330 468
331 if (tmp->head) 469 if (tmp->head)
332 head = tmp->head; 470 head = tmp->head;
333 else 471 else
334 head = tmp; 472 head = tmp;
335 473
336 if (LOOK_OBJ (head)) 474 if (head->client_visible ())
337 { 475 {
338 add_object_to_socklist (*pl->contr->socket, sl, head); 476 add_object_to_socklist (*pl->contr->ns, sl, head);
339 477
340 got_one++; 478 got_one++;
341 479
342 /* IT is possible for players to accumulate a huge amount of 480 /* IT is possible for players to accumulate a huge amount of
343 * items (especially with some of the bags out there) to 481 * items (especially with some of the bags out there) to
344 * overflow the buffer. IF so, send multiple item commands. 482 * overflow the buffer. IF so, send multiple item commands.
345 */ 483 */
346 if (sl.length () >= (MAXSOCKBUF - MAXITEMLEN)) 484 if (sl.length () >= (MAXSOCKBUF - MAXITEMLEN))
347 { 485 {
348 pl->contr->socket->send_packet (sl); 486 pl->contr->ns->send_packet (sl);
349 487
350 sl.reset (); 488 sl.reset ();
351 sl.printf ("item%d ", pl->contr->socket->itemcmd); 489 sl.printf ("item%d ", pl->contr->ns->itemcmd);
352 sl << uint32 (op->count); 490 sl << uint32 (op->count);
353 got_one = 0; 491 got_one = 0;
354 } 492 }
355 } /* If LOOK_OBJ() */ 493 }
356 } 494 }
357 495
358 if (got_one) 496 if (got_one)
359 pl->contr->socket->send_packet (sl); 497 pl->contr->ns->send_packet (sl);
360} 498}
361 499
362/** 500/**
363 * Updates object *op for player *pl. 501 * Updates object *op for player *pl.
364 * 502 *
… …
371esrv_update_item (int flags, object *pl, object *op) 509esrv_update_item (int flags, object *pl, object *op)
372{ 510{
373 /* If we have a request to send the player item, skip a few checks. */ 511 /* If we have a request to send the player item, skip a few checks. */
374 if (op != pl) 512 if (op != pl)
375 { 513 {
376 if (!LOOK_OBJ (op)) 514 if (!op->client_visible ())
377 return; 515 return;
378 /* we remove the check for op->env, because in theory, the object 516 /* we remove the check for op->env, because in theory, the object
379 * is hopefully in the same place, so the client should preserve 517 * is hopefully in the same place, so the client should preserve
380 * order. 518 * order.
381 */ 519 */
382 } 520 }
383 521
522 client *ns = pl->contr->ns;
523 if (!ns)
524 return;
525
384 if (!QUERY_FLAG (op, FLAG_CLIENT_SENT)) 526 if (!QUERY_FLAG (op, FLAG_CLIENT_SENT))
385 { 527 {
386 /* FLAG_CLIENT_SENT is debug only. We are using it to see where 528 /* FLAG_CLIENT_SENT is debug only. We are using it to see where
387 * this is happening - we can set a breakpoint here in the debugger 529 * this is happening - we can set a breakpoint here in the debugger
388 * and track back the call. 530 * and track back the call.
… …
410 sint32 weight = WEIGHT (op); 552 sint32 weight = WEIGHT (op);
411 553
412 sl << uint32 (QUERY_FLAG (op, FLAG_NO_PICK) ? -1 : weight); 554 sl << uint32 (QUERY_FLAG (op, FLAG_NO_PICK) ? -1 : weight);
413 555
414 if (pl == op) 556 if (pl == op)
415 op->contr->last_weight = weight; 557 ns->last_weight = weight;
416 } 558 }
417 559
418 if (flags & UPD_FACE) 560 if (flags & UPD_FACE)
419 { 561 {
420 if (!(pl->contr->socket->faces_sent[op->face->number] & NS_FACESENT_FACE)) 562 if (!(ns->faces_sent[op->face->number] & NS_FACESENT_FACE))
421 esrv_send_face (pl->contr->socket, op->face->number, 0); 563 esrv_send_face (ns, op->face->number, 0);
422 564
423 sl << uint32 (op->face->number); 565 sl << uint32 (op->face->number);
424 } 566 }
425 567
426 if (flags & UPD_NAME) 568 if (flags & UPD_NAME)
… …
480 } 622 }
481 623
482 if (flags & UPD_NROF) 624 if (flags & UPD_NROF)
483 sl << uint32 (op->nrof); 625 sl << uint32 (op->nrof);
484 626
485 pl->contr->socket->send_packet (sl); 627 pl->contr->ns->send_packet (sl);
486} 628}
487 629
488/** 630/**
489 * Sends item's info to player. 631 * Sends item's info to player.
490 */ 632 */
… …
493{ 635{
494 /* If this is not the player object, do some more checks */ 636 /* If this is not the player object, do some more checks */
495 if (op != pl) 637 if (op != pl)
496 { 638 {
497 /* We only send 'visibile' objects to the client */ 639 /* We only send 'visibile' objects to the client */
498 if (!LOOK_OBJ (op)) 640 if (!op->client_visible ())
499 return; 641 return;
642
500 /* if the item is on the ground, mark that the look needs to 643 /* if the item is on the ground, mark that the look needs to
501 * be updated. 644 * be updated.
502 */ 645 */
503 if (!op->env) 646 if (!op->env)
504 { 647 {
505 pl->contr->socket->floorbox_update (); 648 pl->contr->ns->floorbox_update ();
506 return; 649 return;
507 } 650 }
508 } 651 }
509 652
510 packet sl; 653 packet sl;
511 654
512 sl.printf ("item%d ", pl->contr->socket->itemcmd); 655 sl.printf ("item%d ", pl->contr->ns->itemcmd);
513 656
514 if (op->head) 657 if (op->head)
515 op = op->head; 658 op = op->head;
516 659
517 sl << uint32 (op->env ? op->env->count : 0); 660 sl << uint32 (op->env ? op->env->count : 0);
518 661
519 add_object_to_socklist (*pl->contr->socket, sl, op); 662 add_object_to_socklist (*pl->contr->ns, sl, op);
520 663
521 pl->contr->socket->send_packet (sl); 664 pl->contr->ns->send_packet (sl);
522 SET_FLAG (op, FLAG_CLIENT_SENT); 665 SET_FLAG (op, FLAG_CLIENT_SENT);
523} 666}
524 667
525/** 668/**
526 * Tells the client to delete an item. Uses the item 669 * Tells the client to delete an item. Uses the item
… …
532{ 675{
533 packet sl ("delitem"); 676 packet sl ("delitem");
534 677
535 sl << uint32 (tag); 678 sl << uint32 (tag);
536 679
537 pl->socket->send_packet (sl); 680 pl->ns->send_packet (sl);
538} 681}
539 682
540 683
541/******************************************************************************* 684/*******************************************************************************
542 * 685 *
… …
563 else if (op->type == CONTAINER && pl->container == op) 706 else if (op->type == CONTAINER && pl->container == op)
564 for (tmp = op->inv; tmp; tmp = tmp->below) 707 for (tmp = op->inv; tmp; tmp = tmp->below)
565 if (tmp->count == count) 708 if (tmp->count == count)
566 return tmp; 709 return tmp;
567 710
568 for (op = get_map_ob (pl->map, pl->x, pl->y); op; op = op->above) 711 for (op = GET_MAP_OB (pl->map, pl->x, pl->y); op; op = op->above)
569 if (op->head && op->head->count == count) 712 if (op->head && op->head->count == count)
570 return op; 713 return op;
571 else if (op->count == count) 714 else if (op->count == count)
572 return op; 715 return op;
573 else if (op->type == CONTAINER && pl->container == op) 716 else if (op->type == CONTAINER && pl->container == op)
… …
613 return; 756 return;
614 757
615 /* If the high bit is set, player applied a pseudo object. */ 758 /* If the high bit is set, player applied a pseudo object. */
616 if (tag & 0x80000000) 759 if (tag & 0x80000000)
617 { 760 {
618 pl->socket->look_position = tag & 0x7fffffff; 761 pl->ns->look_position = tag & 0x7fffffff;
619 pl->socket->floorbox_update (); 762 pl->ns->floorbox_update ();
620 return; 763 return;
621 } 764 }
622 765
623 object *op = esrv_get_ob_from_count (pl->ob, tag); 766 object *op = esrv_get_ob_from_count (pl->ob, tag);
624 767
… …
692 835
693 m = get_map_from_coord (op->map, &x, &y); 836 m = get_map_from_coord (op->map, &x, &y);
694 if (!m) 837 if (!m)
695 return; 838 return;
696 839
697 for (tmp = get_map_ob (m, x, y); tmp != NULL && tmp->above != NULL; tmp = tmp->above); 840 for (tmp = GET_MAP_OB (m, x, y); tmp != NULL && tmp->above != NULL; tmp = tmp->above);
698 841
699 for (; tmp != NULL; tmp = tmp->below) 842 for (; tmp != NULL; tmp = tmp->below)
700 { 843 {
701 if (tmp->invisible && !QUERY_FLAG (op, FLAG_WIZ)) 844 if (tmp->invisible && !QUERY_FLAG (op, FLAG_WIZ))
702 continue; 845 continue;
… …
749 { 892 {
750 return; 893 return;
751 } 894 }
752 dy = atoi (cp); 895 dy = atoi (cp);
753 896
754 if (FABS (dx) > pl->socket->mapx / 2 || FABS (dy) > pl->socket->mapy / 2) 897 if (FABS (dx) > pl->ns->mapx / 2 || FABS (dy) > pl->ns->mapy / 2)
755 return; 898 return;
756 899
757 if (pl->blocked_los[dx + pl->socket->mapx / 2][dy + pl->socket->mapy / 2]) 900 if (pl->blocked_los[dx + pl->ns->mapx / 2][dy + pl->ns->mapy / 2])
758 return; 901 return;
759 902
760 look_at (pl->ob, dx, dy); 903 look_at (pl->ob, dx, dy);
761} 904}
762 905

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