1 |
|
2 |
/* |
3 |
* static char *rcsid_item_c = |
4 |
* "$Id$"; |
5 |
*/ |
6 |
|
7 |
/* |
8 |
CrossFire, A Multiplayer game for X-windows |
9 |
|
10 |
Copyright (C) 2002 Mark Wedel & Crossfire Development Team |
11 |
Copyright (C) 1992 Frank Tore Johansen |
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|
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This program is free software; you can redistribute it and/or modify |
14 |
it under the terms of the GNU General Public License as published by |
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the Free Software Foundation; either version 2 of the License, or |
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(at your option) any later version. |
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|
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This program is distributed in the hope that it will be useful, |
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but WITHOUT ANY WARRANTY; without even the implied warranty of |
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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GNU General Public License for more details. |
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|
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You should have received a copy of the GNU General Public License |
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along with this program; if not, write to the Free Software |
25 |
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
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|
27 |
The author can be reached via e-mail to crossfire-devel@real-time.com |
28 |
*/ |
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|
30 |
/** |
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* \file |
32 |
* Client/server logic. |
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* |
34 |
* \date 2003-12-02 |
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* |
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* This containes item logic for client/server. It doesn't contain |
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* the actual commands that send the data, but does contain |
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* the logic for what items should be sent. |
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*/ |
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|
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|
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#include <global.h> |
43 |
#include <object.h> /* LOOK_OBJ */ |
44 |
#include <newclient.h> |
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#include <newserver.h> |
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#include <sproto.h> |
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|
48 |
/** This is the maximum number of bytes we expect any one item to take up */ |
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#define MAXITEMLEN 300 |
50 |
|
51 |
/******************************************************************************* |
52 |
* |
53 |
* Functions related to sending object data to the client. |
54 |
* |
55 |
******************************************************************************/ |
56 |
|
57 |
/** |
58 |
* Adds string to socklist. |
59 |
* |
60 |
* This is a simple function that we use a lot here. It basically |
61 |
* adds the specified buffer into the socklist, but prepends a |
62 |
* single byte in length. If the data is longer than that byte, it is |
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* truncated approprately. |
64 |
*/ |
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inline void add_stringlen_to_sockbuf(const char *buf, SockList *sl) |
66 |
{ |
67 |
int len; |
68 |
|
69 |
len=strlen(buf); |
70 |
if (len>255) len=255; |
71 |
SockList_AddChar(sl, (char) len); |
72 |
strncpy((char*)sl->buf+sl->len, buf,len); |
73 |
sl->len += len; |
74 |
} |
75 |
|
76 |
/** |
77 |
* This is a similar to query_name, but returns flags |
78 |
* to be sended to client. |
79 |
*/ |
80 |
unsigned int query_flags (object *op) |
81 |
{ |
82 |
unsigned int flags = 0; |
83 |
|
84 |
if(QUERY_FLAG(op,FLAG_APPLIED)) { |
85 |
switch(op->type) { |
86 |
case BOW: |
87 |
case WAND: |
88 |
case ROD: |
89 |
case HORN: |
90 |
flags = a_readied; |
91 |
break; |
92 |
case WEAPON: |
93 |
flags = a_wielded; |
94 |
break; |
95 |
case SKILL: |
96 |
case ARMOUR: |
97 |
case HELMET: |
98 |
case SHIELD: |
99 |
case RING: |
100 |
case BOOTS: |
101 |
case GLOVES: |
102 |
case AMULET: |
103 |
case GIRDLE: |
104 |
case BRACERS: |
105 |
case CLOAK: |
106 |
flags = a_worn; |
107 |
break; |
108 |
case CONTAINER: |
109 |
flags = a_active; |
110 |
break; |
111 |
default: |
112 |
flags = a_applied; |
113 |
break; |
114 |
} |
115 |
} |
116 |
if (op->type == CONTAINER && ((op->env && op->env->container == op) || |
117 |
(!op->env && QUERY_FLAG(op,FLAG_APPLIED)))) |
118 |
flags |= F_OPEN; |
119 |
|
120 |
if (QUERY_FLAG(op,FLAG_KNOWN_CURSED)) { |
121 |
if(QUERY_FLAG(op,FLAG_DAMNED)) |
122 |
flags |= F_DAMNED; |
123 |
else if(QUERY_FLAG(op,FLAG_CURSED)) |
124 |
flags |= F_CURSED; |
125 |
} |
126 |
if (QUERY_FLAG(op,FLAG_KNOWN_MAGICAL) && !QUERY_FLAG(op,FLAG_IDENTIFIED)) |
127 |
flags |= F_MAGIC; |
128 |
if (QUERY_FLAG(op,FLAG_UNPAID)) |
129 |
flags |= F_UNPAID; |
130 |
if (QUERY_FLAG(op,FLAG_INV_LOCKED)) |
131 |
flags |= F_LOCKED; |
132 |
|
133 |
return flags; |
134 |
} |
135 |
|
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/* Used in the send_look to put object head into SockList |
137 |
* sl for socket ns. Need socket to know if we need to send |
138 |
* animation of face to the client. |
139 |
*/ |
140 |
static void add_object_to_socklist(NewSocket *ns, SockList *sl, object *head) |
141 |
{ |
142 |
int flags, len, anim_speed; |
143 |
char item_n[MAX_BUF]; |
144 |
const char *item_p; |
145 |
|
146 |
flags = query_flags (head); |
147 |
if (QUERY_FLAG(head, FLAG_NO_PICK)) |
148 |
flags |= F_NOPICK; |
149 |
|
150 |
if (!(ns->faces_sent[head->face->number] & NS_FACESENT_FACE)) |
151 |
esrv_send_face(ns, head->face->number,0); |
152 |
|
153 |
if (QUERY_FLAG(head,FLAG_ANIMATE) && !ns->anims_sent[head->animation_id]) |
154 |
esrv_send_animation(ns, head->animation_id); |
155 |
|
156 |
SockList_AddInt(sl, head->count); |
157 |
SockList_AddInt(sl, flags); |
158 |
SockList_AddInt(sl, QUERY_FLAG(head, FLAG_NO_PICK) ? -1 : WEIGHT(head)); |
159 |
SockList_AddInt(sl, head->face->number); |
160 |
|
161 |
if (!head->custom_name) { |
162 |
strncpy(item_n,query_base_name(head, 0),127); |
163 |
item_n[127]=0; |
164 |
len=strlen(item_n); |
165 |
item_p=query_base_name(head, 1); |
166 |
} else { |
167 |
strncpy(item_n,head->custom_name,127); |
168 |
item_n[127]=0; |
169 |
len=strlen(item_n); |
170 |
item_p=head->custom_name; |
171 |
} |
172 |
strncpy(item_n+len+1, item_p, 127); |
173 |
item_n[254]=0; |
174 |
len += strlen(item_n+1+len) + 1; |
175 |
SockList_AddChar(sl, (char ) len); |
176 |
memcpy(sl->buf+sl->len, item_n, len); |
177 |
sl->len += len; |
178 |
|
179 |
SockList_AddShort(sl,head->animation_id); |
180 |
anim_speed=0; |
181 |
if (QUERY_FLAG(head,FLAG_ANIMATE)) { |
182 |
if (head->anim_speed) anim_speed=head->anim_speed; |
183 |
else { |
184 |
if (FABS(head->speed)<0.001) anim_speed=255; |
185 |
else if (FABS(head->speed)>=1.0) anim_speed=1; |
186 |
else anim_speed = (int) (1.0/FABS(head->speed)); |
187 |
} |
188 |
if (anim_speed>255) anim_speed=255; |
189 |
} |
190 |
SockList_AddChar(sl, (char) anim_speed); |
191 |
SockList_AddInt(sl, head->nrof); |
192 |
|
193 |
if (ns->itemcmd == 2) |
194 |
SockList_AddShort(sl, head->client_type); |
195 |
|
196 |
SET_FLAG(head, FLAG_CLIENT_SENT); |
197 |
} |
198 |
|
199 |
|
200 |
/** |
201 |
* Send the look window. Don't need to do animations here |
202 |
* This sends all the faces to the client, not just updates. This is |
203 |
* because object ordering would otherwise be inconsistent |
204 |
*/ |
205 |
|
206 |
void esrv_draw_look(object *pl) |
207 |
{ |
208 |
object *tmp, *last; |
209 |
int got_one=0,start_look=0, end_look=0; |
210 |
SockList sl; |
211 |
char buf[MAX_BUF]; |
212 |
|
213 |
if (!pl->contr->socket.update_look) { |
214 |
LOG(llevDebug,"esrv_draw_look called when update_look was not set\n"); |
215 |
return; |
216 |
} else { |
217 |
pl->contr->socket.update_look=0; |
218 |
} |
219 |
|
220 |
if(QUERY_FLAG(pl, FLAG_REMOVED) || pl->map == NULL || |
221 |
pl->map->in_memory != MAP_IN_MEMORY || out_of_map(pl->map,pl->x,pl->y)) |
222 |
return; |
223 |
|
224 |
if (pl->contr->transport) |
225 |
for (tmp=pl->contr->transport->inv; tmp && tmp->above;tmp=tmp->above) ; |
226 |
else |
227 |
for (tmp=get_map_ob(pl->map,pl->x,pl->y); tmp && tmp->above;tmp=tmp->above) ; |
228 |
|
229 |
sl.buf=malloc(MAXSOCKBUF); |
230 |
|
231 |
Write_String_To_Socket(&pl->contr->socket, "delinv 0", strlen("delinv 0")); |
232 |
sprintf((char*)sl.buf,"item%d ", pl->contr->socket.itemcmd); |
233 |
sl.len=strlen((char*)sl.buf); |
234 |
|
235 |
SockList_AddInt(&sl, 0); |
236 |
|
237 |
if (!(pl->contr->socket.faces_sent[empty_face->number]&NS_FACESENT_FACE)) |
238 |
esrv_send_face(&pl->contr->socket, empty_face->number,0); |
239 |
|
240 |
if (pl->contr->socket.look_position) { |
241 |
SockList_AddInt(&sl, 0x80000000 | (pl->contr->socket.look_position- NUM_LOOK_OBJECTS)); |
242 |
SockList_AddInt(&sl, 0); |
243 |
SockList_AddInt(&sl, -1); |
244 |
SockList_AddInt(&sl, empty_face->number); |
245 |
sprintf(buf,"Click here to see %d previous items", NUM_LOOK_OBJECTS); |
246 |
add_stringlen_to_sockbuf(buf, &sl); |
247 |
SockList_AddShort(&sl,0); |
248 |
SockList_AddChar(&sl, 0); |
249 |
SockList_AddInt(&sl, 0); |
250 |
if (pl->contr->socket.itemcmd == 2) |
251 |
SockList_AddShort(&sl, 0); |
252 |
} |
253 |
|
254 |
if (pl->contr->transport) { |
255 |
add_object_to_socklist(&pl->contr->socket, &sl, pl->contr->transport); |
256 |
got_one++; |
257 |
} |
258 |
|
259 |
for (last=NULL; tmp!=last; tmp=tmp->below) { |
260 |
object *head; |
261 |
|
262 |
if (QUERY_FLAG(tmp, FLAG_IS_FLOOR) && !last) { |
263 |
last = tmp->below; /* assumes double floor mode */ |
264 |
if (last && QUERY_FLAG(last, FLAG_IS_FLOOR)) |
265 |
last = last->below; |
266 |
} |
267 |
if (LOOK_OBJ(tmp)) { |
268 |
if (++start_look < pl->contr->socket.look_position) continue; |
269 |
end_look++; |
270 |
if (end_look > NUM_LOOK_OBJECTS) { |
271 |
/* What we basically do is make a 'fake' object - when the user applies it, |
272 |
* we notice the special tag the object has, and act accordingly. |
273 |
*/ |
274 |
SockList_AddInt(&sl, 0x80000000 | (pl->contr->socket.look_position+ NUM_LOOK_OBJECTS)); |
275 |
SockList_AddInt(&sl, 0); |
276 |
SockList_AddInt(&sl, -1); |
277 |
SockList_AddInt(&sl, empty_face->number); |
278 |
sprintf(buf,"Click here to see next group of items"); |
279 |
add_stringlen_to_sockbuf(buf, &sl); |
280 |
SockList_AddShort(&sl,0); |
281 |
SockList_AddChar(&sl, 0); |
282 |
SockList_AddInt(&sl, 0); |
283 |
if (pl->contr->socket.itemcmd == 2) |
284 |
SockList_AddShort(&sl, 0); |
285 |
break; |
286 |
} |
287 |
if (tmp->head) head = tmp->head; |
288 |
else head = tmp; |
289 |
|
290 |
add_object_to_socklist(&pl->contr->socket, &sl, head); |
291 |
got_one++; |
292 |
|
293 |
if (sl.len >= (MAXSOCKBUF-MAXITEMLEN)) { |
294 |
Send_With_Handling(&pl->contr->socket, &sl); |
295 |
sprintf((char*)sl.buf,"item%d ", pl->contr->socket.itemcmd); |
296 |
sl.len=strlen((char*)sl.buf); |
297 |
SockList_AddInt(&sl, 0); |
298 |
got_one=0; |
299 |
} |
300 |
} /* If LOOK_OBJ() */ |
301 |
} |
302 |
if (got_one) |
303 |
Send_With_Handling(&pl->contr->socket, &sl); |
304 |
|
305 |
free(sl.buf); |
306 |
} |
307 |
|
308 |
/** |
309 |
* Sends whole inventory. |
310 |
*/ |
311 |
void esrv_send_inventory(object *pl, object *op) |
312 |
{ |
313 |
object *tmp; |
314 |
int got_one=0; |
315 |
SockList sl; |
316 |
|
317 |
sl.buf=malloc(MAXSOCKBUF); |
318 |
|
319 |
sprintf((char*)sl.buf,"delinv %d", op->count); |
320 |
sl.len=strlen((char*)sl.buf); |
321 |
Send_With_Handling(&pl->contr->socket, &sl); |
322 |
|
323 |
sprintf((char*)sl.buf,"item%d ", pl->contr->socket.itemcmd); |
324 |
sl.len=strlen((char*)sl.buf); |
325 |
|
326 |
SockList_AddInt(&sl, op->count); |
327 |
|
328 |
for (tmp=op->inv; tmp; tmp=tmp->below) { |
329 |
object *head; |
330 |
|
331 |
if (tmp->head) head = tmp->head; |
332 |
else head = tmp; |
333 |
|
334 |
if (LOOK_OBJ(head)) { |
335 |
add_object_to_socklist(&pl->contr->socket, &sl, head); |
336 |
|
337 |
got_one++; |
338 |
|
339 |
/* IT is possible for players to accumulate a huge amount of |
340 |
* items (especially with some of the bags out there) to |
341 |
* overflow the buffer. IF so, send multiple item commands. |
342 |
*/ |
343 |
if (sl.len >= (MAXSOCKBUF-MAXITEMLEN)) { |
344 |
Send_With_Handling(&pl->contr->socket, &sl); |
345 |
sprintf((char*)sl.buf,"item%d ", pl->contr->socket.itemcmd); |
346 |
sl.len=strlen((char*)sl.buf); |
347 |
SockList_AddInt(&sl, op->count); |
348 |
got_one=0; |
349 |
} |
350 |
} /* If LOOK_OBJ() */ |
351 |
} |
352 |
if (got_one) |
353 |
Send_With_Handling(&pl->contr->socket, &sl); |
354 |
free(sl.buf); |
355 |
} |
356 |
|
357 |
/** |
358 |
* Updates object *op for player *pl. |
359 |
* |
360 |
* flags is a list of values to update |
361 |
* to the client (as defined in newclient.h - might as well use the |
362 |
* same value both places. |
363 |
*/ |
364 |
|
365 |
void esrv_update_item(int flags, object *pl, object *op) |
366 |
{ |
367 |
SockList sl; |
368 |
|
369 |
/* If we have a request to send the player item, skip a few checks. */ |
370 |
if (op!=pl) { |
371 |
if (! LOOK_OBJ(op)) |
372 |
return; |
373 |
/* we remove the check for op->env, because in theory, the object |
374 |
* is hopefully in the same place, so the client should preserve |
375 |
* order. |
376 |
*/ |
377 |
} |
378 |
if (!QUERY_FLAG(op, FLAG_CLIENT_SENT)) { |
379 |
/* FLAG_CLIENT_SENT is debug only. We are using it to see where |
380 |
* this is happening - we can set a breakpoint here in the debugger |
381 |
* and track back the call. |
382 |
*/ |
383 |
LOG(llevDebug,"We have not sent item %s (%d)\n", op->name, op->count); |
384 |
} |
385 |
sl.buf=malloc(MAXSOCKBUF); |
386 |
|
387 |
strcpy((char*)sl.buf,"upditem "); |
388 |
sl.len=strlen((char*)sl.buf); |
389 |
|
390 |
SockList_AddChar(&sl, (char) flags); |
391 |
|
392 |
if (op->head) op=op->head; |
393 |
|
394 |
SockList_AddInt(&sl, op->count); |
395 |
|
396 |
if (flags & UPD_LOCATION) |
397 |
SockList_AddInt(&sl, op->env? op->env->count:0); |
398 |
|
399 |
if (flags & UPD_FLAGS) |
400 |
SockList_AddInt(&sl, query_flags(op)); |
401 |
|
402 |
if (flags & UPD_WEIGHT) { |
403 |
sint32 weight = WEIGHT(op); |
404 |
|
405 |
/* TRANSPORTS are odd - they sort of look like containers, yet can't be |
406 |
* picked up. So we don't to send the weight, as it is odd that you see |
407 |
* weight sometimes and not other (the draw_look won't send it |
408 |
* for example. |
409 |
*/ |
410 |
SockList_AddInt(&sl, QUERY_FLAG(op, FLAG_NO_PICK) ? -1 : weight); |
411 |
if (pl == op) { |
412 |
op->contr->last_weight = weight; |
413 |
} |
414 |
} |
415 |
|
416 |
if (flags & UPD_FACE) { |
417 |
if (!(pl->contr->socket.faces_sent[op->face->number] & NS_FACESENT_FACE)) |
418 |
esrv_send_face(&pl->contr->socket, op->face->number,0); |
419 |
SockList_AddInt(&sl, op->face->number); |
420 |
} |
421 |
if (flags & UPD_NAME) { |
422 |
int len; |
423 |
const char *item_p; |
424 |
char item_n[MAX_BUF]; |
425 |
|
426 |
if (!op->custom_name) { |
427 |
strncpy(item_n,query_base_name(op, 0),127); |
428 |
item_n[127]=0; |
429 |
len=strlen(item_n); |
430 |
item_p=query_base_name(op, 1); |
431 |
} |
432 |
else { |
433 |
strncpy(item_n,op->custom_name,127); |
434 |
item_n[127]=0; |
435 |
len=strlen(item_n); |
436 |
item_p=op->custom_name; |
437 |
} |
438 |
|
439 |
strncpy(item_n+len+1, item_p, 127); |
440 |
item_n[254]=0; |
441 |
len += strlen(item_n+1+len) + 1; |
442 |
SockList_AddChar(&sl, (char)len); |
443 |
memcpy(sl.buf+sl.len, item_n, len); |
444 |
sl.len += len; |
445 |
} |
446 |
if (flags & UPD_ANIM) |
447 |
SockList_AddShort(&sl,op->animation_id); |
448 |
|
449 |
if (flags & UPD_ANIMSPEED) { |
450 |
int anim_speed=0; |
451 |
if (QUERY_FLAG(op,FLAG_ANIMATE)) { |
452 |
if (op->anim_speed) anim_speed=op->anim_speed; |
453 |
else { |
454 |
if (FABS(op->speed)<0.001) anim_speed=255; |
455 |
else if (FABS(op->speed)>=1.0) anim_speed=1; |
456 |
else anim_speed = (int) (1.0/FABS(op->speed)); |
457 |
} |
458 |
if (anim_speed>255) anim_speed=255; |
459 |
} |
460 |
SockList_AddChar(&sl, (char)anim_speed); |
461 |
} |
462 |
if (flags & UPD_NROF) |
463 |
SockList_AddInt(&sl, op->nrof); |
464 |
|
465 |
Send_With_Handling(&pl->contr->socket, &sl); |
466 |
free(sl.buf); |
467 |
} |
468 |
|
469 |
/** |
470 |
* Sends item's info to player. |
471 |
*/ |
472 |
void esrv_send_item(object *pl, object*op) |
473 |
{ |
474 |
SockList sl; |
475 |
|
476 |
/* If this is not the player object, do some more checks */ |
477 |
if (op!=pl) { |
478 |
/* We only send 'visibile' objects to the client */ |
479 |
if (! LOOK_OBJ(op)) |
480 |
return; |
481 |
/* if the item is on the ground, mark that the look needs to |
482 |
* be updated. |
483 |
*/ |
484 |
if (!op->env) { |
485 |
pl->contr->socket.update_look=1; |
486 |
return; |
487 |
} |
488 |
} |
489 |
|
490 |
sl.buf=malloc(MAXSOCKBUF); |
491 |
|
492 |
sprintf((char*)sl.buf,"item%d ", pl->contr->socket.itemcmd); |
493 |
sl.len=strlen((char*)sl.buf); |
494 |
|
495 |
if (op->head) op=op->head; |
496 |
|
497 |
SockList_AddInt(&sl, op->env? op->env->count:0); |
498 |
|
499 |
add_object_to_socklist(&pl->contr->socket, &sl, op); |
500 |
|
501 |
Send_With_Handling(&pl->contr->socket, &sl); |
502 |
SET_FLAG(op, FLAG_CLIENT_SENT); |
503 |
free(sl.buf); |
504 |
} |
505 |
|
506 |
/** |
507 |
* Tells the client to delete an item. Uses the item |
508 |
* command with a -1 location. |
509 |
*/ |
510 |
|
511 |
void esrv_del_item(player *pl, int tag) |
512 |
{ |
513 |
SockList sl; |
514 |
|
515 |
sl.buf=malloc(MAXSOCKBUF); |
516 |
|
517 |
strcpy((char*)sl.buf,"delitem "); |
518 |
sl.len=strlen((char*)sl.buf); |
519 |
SockList_AddInt(&sl, tag); |
520 |
|
521 |
Send_With_Handling(&pl->socket, &sl); |
522 |
free(sl.buf); |
523 |
} |
524 |
|
525 |
|
526 |
/******************************************************************************* |
527 |
* |
528 |
* Client has requested us to do something with an object. |
529 |
* |
530 |
******************************************************************************/ |
531 |
|
532 |
/** |
533 |
* Takes a player and object count (tag) and returns the actual object |
534 |
* pointer, or null if it can't be found. |
535 |
*/ |
536 |
|
537 |
object *esrv_get_ob_from_count(object *pl, tag_t count) |
538 |
{ |
539 |
object *op, *tmp; |
540 |
|
541 |
if (pl->count == count) |
542 |
return pl; |
543 |
|
544 |
for(op = pl->inv; op; op = op->below) |
545 |
if (op->count == count) |
546 |
return op; |
547 |
else if (op->type == CONTAINER && pl->container == op) |
548 |
for(tmp = op->inv; tmp; tmp = tmp->below) |
549 |
if (tmp->count == count) |
550 |
return tmp; |
551 |
|
552 |
for(op = get_map_ob (pl->map, pl->x, pl->y); op; op = op->above) |
553 |
if (op->head != NULL && op->head->count == count) |
554 |
return op; |
555 |
else if (op->count == count) |
556 |
return op; |
557 |
else if (op->type == CONTAINER && pl->container == op) |
558 |
for(tmp = op->inv; tmp; tmp = tmp->below) |
559 |
if (tmp->count == count) |
560 |
return tmp; |
561 |
|
562 |
if (pl->contr->transport) { |
563 |
for(tmp = pl->contr->transport->inv; tmp; tmp = tmp->below) |
564 |
if (tmp->count == count) |
565 |
return tmp; |
566 |
} |
567 |
return NULL; |
568 |
} |
569 |
|
570 |
|
571 |
/** Client wants to examine some object. So lets do so. */ |
572 |
void ExamineCmd(char *buf, int len,player *pl) |
573 |
{ |
574 |
long tag = atoi(buf); |
575 |
object *op = esrv_get_ob_from_count(pl->ob, tag); |
576 |
|
577 |
if (!op) { |
578 |
LOG(llevDebug, "Player '%s' tried to examine the unknown object (%ld)\n", |
579 |
pl->ob->name, tag); |
580 |
return; |
581 |
} |
582 |
examine (pl->ob, op); |
583 |
} |
584 |
|
585 |
/** Client wants to apply some object. Lets do so. */ |
586 |
void ApplyCmd(char *buf, int len,player *pl) |
587 |
{ |
588 |
uint32 tag = atoi(buf); |
589 |
object *op = esrv_get_ob_from_count(pl->ob, tag); |
590 |
|
591 |
/* sort of a hack, but if the player saves and the player then manually |
592 |
* applies a savebed (or otherwise tries to do stuff), we run into trouble. |
593 |
*/ |
594 |
if (QUERY_FLAG(pl->ob, FLAG_REMOVED)) return; |
595 |
|
596 |
/* If the high bit is set, player applied a pseudo object. */ |
597 |
if (tag & 0x80000000) { |
598 |
pl->socket.look_position = tag & 0x7fffffff; |
599 |
pl->socket.update_look = 1; |
600 |
return; |
601 |
} |
602 |
|
603 |
if (!op) { |
604 |
LOG(llevDebug, "Player '%s' tried to apply the unknown object (%d)\n", |
605 |
pl->ob->name, tag); |
606 |
return; |
607 |
} |
608 |
player_apply (pl->ob, op, 0, 0); |
609 |
} |
610 |
|
611 |
/** Client wants to apply some object. Lets do so. */ |
612 |
void LockItem(uint8 *data, int len,player *pl) |
613 |
{ |
614 |
int flag, tag; |
615 |
object *op; |
616 |
|
617 |
flag = data[0]; |
618 |
tag = GetInt_String(data+1); |
619 |
op = esrv_get_ob_from_count(pl->ob, tag); |
620 |
|
621 |
if (!op) { |
622 |
new_draw_info(NDI_UNIQUE, 0, pl->ob,"Could not find object to lock/unlock"); |
623 |
return; |
624 |
} |
625 |
if (!flag) |
626 |
CLEAR_FLAG(op,FLAG_INV_LOCKED); |
627 |
else |
628 |
SET_FLAG(op,FLAG_INV_LOCKED); |
629 |
esrv_update_item(UPD_FLAGS, pl->ob, op); |
630 |
} |
631 |
|
632 |
/** Client wants to apply some object. Lets do so. */ |
633 |
void MarkItem(uint8 *data, int len,player *pl) |
634 |
{ |
635 |
int tag; |
636 |
object *op; |
637 |
|
638 |
tag = GetInt_String(data); |
639 |
op = esrv_get_ob_from_count(pl->ob, tag); |
640 |
if (!op) { |
641 |
new_draw_info(NDI_UNIQUE, 0, pl->ob,"Could not find object to mark"); |
642 |
return; |
643 |
} |
644 |
pl->mark = op; |
645 |
pl->mark_count = op->count; |
646 |
new_draw_info_format(NDI_UNIQUE, 0, pl->ob, "Marked item %s", query_name(op)); |
647 |
} |
648 |
|
649 |
|
650 |
/** |
651 |
* look_at prints items on the specified square. |
652 |
* |
653 |
* [ removed EARTHWALL check and added check for containers inventory. |
654 |
* Tero.Haatanen@lut.fi ] |
655 |
*/ |
656 |
void look_at(object *op,int dx,int dy) { |
657 |
object *tmp; |
658 |
int flag=0; |
659 |
sint16 x,y; |
660 |
mapstruct *m; |
661 |
|
662 |
x = op->x + dx; |
663 |
y = op->y + dy; |
664 |
|
665 |
if (out_of_map(op->map, x, y)) return; |
666 |
|
667 |
m = get_map_from_coord(op->map, &x, &y); |
668 |
if (!m) return; |
669 |
|
670 |
for(tmp=get_map_ob(m, x ,y);tmp!=NULL&&tmp->above!=NULL; |
671 |
tmp=tmp->above); |
672 |
|
673 |
for ( ; tmp != NULL; tmp=tmp->below ) { |
674 |
if (tmp->invisible && !QUERY_FLAG(op, FLAG_WIZ)) continue; |
675 |
|
676 |
if(!flag) { |
677 |
if(dx||dy) |
678 |
new_draw_info(NDI_UNIQUE, 0,op,"There you see:"); |
679 |
else { |
680 |
clear_win_info(op); |
681 |
new_draw_info(NDI_UNIQUE, 0,op,"You see:"); |
682 |
} |
683 |
flag=1; |
684 |
} |
685 |
|
686 |
if (QUERY_FLAG(op, FLAG_WIZ)) |
687 |
new_draw_info_format(NDI_UNIQUE,0, op, "- %s (%d).",query_name(tmp),tmp->count); |
688 |
else |
689 |
new_draw_info_format(NDI_UNIQUE,0, op, "- %s.",query_name(tmp)); |
690 |
|
691 |
if (((tmp->inv!=NULL || (tmp->head && tmp->head->inv)) && |
692 |
(tmp->type != CONTAINER && tmp->type!=FLESH)) || QUERY_FLAG(op, FLAG_WIZ)) |
693 |
inventory(op,tmp->head==NULL?tmp:tmp->head); |
694 |
|
695 |
if(QUERY_FLAG(tmp, FLAG_IS_FLOOR)&&!QUERY_FLAG(op, FLAG_WIZ)) /* don't continue under the floor */ |
696 |
break; |
697 |
} |
698 |
|
699 |
if(!flag) { |
700 |
if(dx||dy) |
701 |
new_draw_info(NDI_UNIQUE, 0,op,"You see nothing there."); |
702 |
else |
703 |
new_draw_info(NDI_UNIQUE, 0,op,"You see nothing."); |
704 |
} |
705 |
} |
706 |
|
707 |
|
708 |
|
709 |
/** Client wants to look at some object. Lets do so. */ |
710 |
void LookAt(char *buf, int len,player *pl) |
711 |
{ |
712 |
int dx, dy; |
713 |
char *cp; |
714 |
|
715 |
dx=atoi(buf); |
716 |
if (!(cp=strchr(buf,' '))) { |
717 |
return; |
718 |
} |
719 |
dy=atoi(cp); |
720 |
|
721 |
if (FABS(dx) > pl->socket.mapx / 2 || FABS(dy) > pl->socket.mapy / 2) |
722 |
return; |
723 |
|
724 |
if(pl->blocked_los[dx + pl->socket.mapx / 2][dy + pl->socket.mapy / 2]) |
725 |
return; |
726 |
|
727 |
look_at(pl->ob, dx, dy); |
728 |
} |
729 |
|
730 |
/** Move an object to a new location */ |
731 |
void esrv_move_object (object *pl, tag_t to, tag_t tag, long nrof) |
732 |
{ |
733 |
object *op, *env; |
734 |
|
735 |
op = esrv_get_ob_from_count(pl, tag); |
736 |
if (!op) { |
737 |
LOG(llevDebug, "Player '%s' tried to move an unknown object (%ld)\n", |
738 |
pl->name, tag); |
739 |
return; |
740 |
} |
741 |
|
742 |
/* If on a transport, you don't drop to the ground - you drop to the |
743 |
* transport. |
744 |
*/ |
745 |
if (!to && !pl->contr->transport) { /* drop it to the ground */ |
746 |
/* LOG(llevDebug, "Drop it on the ground.\n");*/ |
747 |
|
748 |
if (op->map && !op->env) { |
749 |
/* LOG(llevDebug,"Dropping object to ground that is already on ground\n");*/ |
750 |
return; |
751 |
} |
752 |
/* If it is an active container, then we should drop all objects |
753 |
* in the container and not the container itself. |
754 |
*/ |
755 |
if (op->inv && QUERY_FLAG(op, FLAG_APPLIED)) { |
756 |
object *current, *next; |
757 |
for (current=op->inv; current!=NULL; current=next) { |
758 |
next=current->below; |
759 |
drop_object(pl, current, 0); |
760 |
} |
761 |
esrv_update_item(UPD_WEIGHT, pl, op); |
762 |
} |
763 |
else { |
764 |
drop_object (pl, op, nrof); |
765 |
} |
766 |
return; |
767 |
} else if (to == pl->count) { /* pick it up to the inventory */ |
768 |
/* return if player has already picked it up */ |
769 |
if (op->env == pl) return; |
770 |
|
771 |
pl->contr->count = nrof; |
772 |
pick_up(pl, op); |
773 |
return ; |
774 |
} |
775 |
/* If not dropped or picked up, we are putting it into a sack */ |
776 |
if (pl->contr->transport) { |
777 |
if (can_pick(pl, op) && transport_can_hold(pl->contr->transport, op, nrof)) { |
778 |
put_object_in_sack (pl, pl->contr->transport, op, nrof); |
779 |
} |
780 |
} else { |
781 |
env = esrv_get_ob_from_count(pl, to); |
782 |
if (!env) { |
783 |
LOG(llevDebug, |
784 |
"Player '%s' tried to move object to the unknown location (%d)\n", |
785 |
pl->name, to); |
786 |
return; |
787 |
} |
788 |
/* put_object_in_sack presumes that necessary sanity checking |
789 |
* has already been done (eg, it can be picked up and fits in |
790 |
* in a sack, so check for those things. We should also check |
791 |
* an make sure env is in fact a container for that matter. |
792 |
*/ |
793 |
if (env->type == CONTAINER |
794 |
&& can_pick(pl, op) && sack_can_hold(pl, env, op, nrof)) { |
795 |
put_object_in_sack (pl, env, op, nrof); |
796 |
} |
797 |
} |
798 |
} |
799 |
|
800 |
|