1 |
/* |
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CrossFire, A Multiplayer game for X-windows |
3 |
|
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Copyright (C) 2002 Mark Wedel & Crossfire Development Team |
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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 |
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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 |
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
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|
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The author can be reached via e-mail to <crossfire@schmorp.de> |
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*/ |
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|
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/** |
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* \file |
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* Client/server logic. |
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* |
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* \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> |
37 |
#include <object.h> /* LOOK_OBJ */ |
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#include <newclient.h> |
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#include <newserver.h> |
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#include <sproto.h> |
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|
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/** This is the maximum number of bytes we expect any one item to take up */ |
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#define MAXITEMLEN 300 |
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|
45 |
/******************************************************************************* |
46 |
* |
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* Functions related to sending object data to the client. |
48 |
* |
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******************************************************************************/ |
50 |
|
51 |
/** |
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* Adds string to socklist. |
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* |
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* This is a simple function that we use a lot here. It basically |
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* adds the specified buffer into the socklist, but prepends a |
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* single byte in length. If the data is longer than that byte, it is |
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* truncated approprately. |
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*/ |
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inline void |
60 |
add_stringlen_to_sockbuf (const char *buf, SockList * sl) |
61 |
{ |
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int len; |
63 |
|
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len = strlen (buf); |
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if (len > 255) |
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len = 255; |
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SockList_AddChar (sl, (char) len); |
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strncpy ((char *) sl->buf + sl->len, buf, len); |
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sl->len += len; |
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} |
71 |
|
72 |
/** |
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* This is a similar to query_name, but returns flags |
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* to be sended to client. |
75 |
*/ |
76 |
unsigned int |
77 |
query_flags (object *op) |
78 |
{ |
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unsigned int flags = 0; |
80 |
|
81 |
if (QUERY_FLAG (op, FLAG_APPLIED)) |
82 |
{ |
83 |
switch (op->type) |
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{ |
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case BOW: |
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case WAND: |
87 |
case ROD: |
88 |
case HORN: |
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flags = a_readied; |
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break; |
91 |
case WEAPON: |
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flags = a_wielded; |
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break; |
94 |
case SKILL: |
95 |
case ARMOUR: |
96 |
case HELMET: |
97 |
case SHIELD: |
98 |
case RING: |
99 |
case BOOTS: |
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case GLOVES: |
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case AMULET: |
102 |
case GIRDLE: |
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case BRACERS: |
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case CLOAK: |
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flags = a_worn; |
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break; |
107 |
case CONTAINER: |
108 |
flags = a_active; |
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break; |
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default: |
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flags = a_applied; |
112 |
break; |
113 |
} |
114 |
} |
115 |
if (op->type == CONTAINER && ((op->env && op->env->container == op) || (!op->env && QUERY_FLAG (op, FLAG_APPLIED)))) |
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flags |= F_OPEN; |
117 |
|
118 |
if (QUERY_FLAG (op, FLAG_KNOWN_CURSED)) |
119 |
{ |
120 |
if (QUERY_FLAG (op, FLAG_DAMNED)) |
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flags |= F_DAMNED; |
122 |
else if (QUERY_FLAG (op, FLAG_CURSED)) |
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flags |= F_CURSED; |
124 |
} |
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if (QUERY_FLAG (op, FLAG_KNOWN_MAGICAL) && !QUERY_FLAG (op, FLAG_IDENTIFIED)) |
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flags |= F_MAGIC; |
127 |
if (QUERY_FLAG (op, FLAG_UNPAID)) |
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flags |= F_UNPAID; |
129 |
if (QUERY_FLAG (op, FLAG_INV_LOCKED)) |
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flags |= F_LOCKED; |
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|
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return flags; |
133 |
} |
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|
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/* Used in the send_look to put object head into SockList |
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* sl for socket ns. Need socket to know if we need to send |
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* animation of face to the client. |
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*/ |
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static void |
140 |
add_object_to_socklist (NewSocket * ns, SockList * sl, object *head) |
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{ |
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int flags, len, anim_speed; |
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char item_n[MAX_BUF]; |
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const char *item_p; |
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|
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flags = query_flags (head); |
147 |
if (QUERY_FLAG (head, FLAG_NO_PICK)) |
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flags |= F_NOPICK; |
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|
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if (!(ns->faces_sent[head->face->number] & NS_FACESENT_FACE)) |
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esrv_send_face (ns, head->face->number, 0); |
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|
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if (QUERY_FLAG (head, FLAG_ANIMATE) && !ns->anims_sent[head->animation_id]) |
154 |
esrv_send_animation (ns, head->animation_id); |
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|
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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 |
{ |
163 |
strncpy (item_n, query_base_name (head, 0), 127); |
164 |
item_n[127] = 0; |
165 |
len = strlen (item_n); |
166 |
item_p = query_base_name (head, 1); |
167 |
} |
168 |
else |
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{ |
170 |
strncpy (item_n, head->custom_name, 127); |
171 |
item_n[127] = 0; |
172 |
len = strlen (item_n); |
173 |
item_p = head->custom_name; |
174 |
} |
175 |
strncpy (item_n + len + 1, item_p, 127); |
176 |
item_n[254] = 0; |
177 |
len += strlen (item_n + 1 + len) + 1; |
178 |
SockList_AddChar (sl, (char) len); |
179 |
memcpy (sl->buf + sl->len, item_n, len); |
180 |
sl->len += len; |
181 |
|
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SockList_AddShort (sl, head->animation_id); |
183 |
anim_speed = 0; |
184 |
if (QUERY_FLAG (head, FLAG_ANIMATE)) |
185 |
{ |
186 |
if (head->anim_speed) |
187 |
anim_speed = head->anim_speed; |
188 |
else |
189 |
{ |
190 |
if (FABS (head->speed) < 0.001) |
191 |
anim_speed = 255; |
192 |
else if (FABS (head->speed) >= 1.0) |
193 |
anim_speed = 1; |
194 |
else |
195 |
anim_speed = (int) (1.0 / FABS (head->speed)); |
196 |
} |
197 |
if (anim_speed > 255) |
198 |
anim_speed = 255; |
199 |
} |
200 |
SockList_AddChar (sl, (char) anim_speed); |
201 |
SockList_AddInt (sl, head->nrof); |
202 |
|
203 |
if (ns->itemcmd == 2) |
204 |
SockList_AddShort (sl, head->client_type); |
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|
206 |
SET_FLAG (head, FLAG_CLIENT_SENT); |
207 |
} |
208 |
|
209 |
|
210 |
/** |
211 |
* Send the look window. Don't need to do animations here |
212 |
* This sends all the faces to the client, not just updates. This is |
213 |
* because object ordering would otherwise be inconsistent |
214 |
*/ |
215 |
|
216 |
void |
217 |
esrv_draw_look (object *pl) |
218 |
{ |
219 |
object *tmp, *last; |
220 |
int got_one = 0, start_look = 0, end_look = 0; |
221 |
SockList sl; |
222 |
char buf[MAX_BUF]; |
223 |
|
224 |
if (!pl->contr->socket.update_look) |
225 |
{ |
226 |
LOG (llevDebug, "esrv_draw_look called when update_look was not set\n"); |
227 |
return; |
228 |
} |
229 |
else |
230 |
{ |
231 |
pl->contr->socket.update_look = 0; |
232 |
} |
233 |
|
234 |
if (QUERY_FLAG (pl, FLAG_REMOVED) || pl->map == NULL || pl->map->in_memory != MAP_IN_MEMORY || out_of_map (pl->map, pl->x, pl->y)) |
235 |
return; |
236 |
|
237 |
for (tmp = get_map_ob (pl->map, pl->x, pl->y); tmp && tmp->above; tmp = tmp->above); |
238 |
|
239 |
sl.buf = (unsigned char *) malloc (MAXSOCKBUF); |
240 |
|
241 |
Write_String_To_Socket (&pl->contr->socket, "delinv 0", strlen ("delinv 0")); |
242 |
sprintf ((char *) sl.buf, "item%d ", pl->contr->socket.itemcmd); |
243 |
sl.len = strlen ((char *) sl.buf); |
244 |
|
245 |
SockList_AddInt (&sl, 0); |
246 |
|
247 |
if (!(pl->contr->socket.faces_sent[empty_face->number] & NS_FACESENT_FACE)) |
248 |
esrv_send_face (&pl->contr->socket, empty_face->number, 0); |
249 |
|
250 |
if (pl->contr->socket.look_position) |
251 |
{ |
252 |
SockList_AddInt (&sl, 0x80000000 | (pl->contr->socket.look_position - NUM_LOOK_OBJECTS)); |
253 |
SockList_AddInt (&sl, 0); |
254 |
SockList_AddInt (&sl, (uint32) - 1); |
255 |
SockList_AddInt (&sl, empty_face->number); |
256 |
sprintf (buf, "Click here to see %d previous items", NUM_LOOK_OBJECTS); |
257 |
add_stringlen_to_sockbuf (buf, &sl); |
258 |
SockList_AddShort (&sl, 0); |
259 |
SockList_AddChar (&sl, 0); |
260 |
SockList_AddInt (&sl, 0); |
261 |
if (pl->contr->socket.itemcmd == 2) |
262 |
SockList_AddShort (&sl, 0); |
263 |
} |
264 |
|
265 |
for (last = NULL; tmp != last; tmp = tmp->below) |
266 |
{ |
267 |
object *head; |
268 |
|
269 |
if (QUERY_FLAG (tmp, FLAG_IS_FLOOR) && !last) |
270 |
{ |
271 |
last = tmp->below; /* assumes double floor mode */ |
272 |
if (last && QUERY_FLAG (last, FLAG_IS_FLOOR)) |
273 |
last = last->below; |
274 |
} |
275 |
if (LOOK_OBJ (tmp)) |
276 |
{ |
277 |
if (++start_look < pl->contr->socket.look_position) |
278 |
continue; |
279 |
end_look++; |
280 |
if (end_look > NUM_LOOK_OBJECTS) |
281 |
{ |
282 |
/* What we basically do is make a 'fake' object - when the user applies it, |
283 |
* we notice the special tag the object has, and act accordingly. |
284 |
*/ |
285 |
SockList_AddInt (&sl, 0x80000000 | (pl->contr->socket.look_position + NUM_LOOK_OBJECTS)); |
286 |
SockList_AddInt (&sl, 0); |
287 |
SockList_AddInt (&sl, (uint32) - 1); |
288 |
SockList_AddInt (&sl, empty_face->number); |
289 |
sprintf (buf, "Click here to see next group of items"); |
290 |
add_stringlen_to_sockbuf (buf, &sl); |
291 |
SockList_AddShort (&sl, 0); |
292 |
SockList_AddChar (&sl, 0); |
293 |
SockList_AddInt (&sl, 0); |
294 |
if (pl->contr->socket.itemcmd == 2) |
295 |
SockList_AddShort (&sl, 0); |
296 |
break; |
297 |
} |
298 |
if (tmp->head) |
299 |
head = tmp->head; |
300 |
else |
301 |
head = tmp; |
302 |
|
303 |
add_object_to_socklist (&pl->contr->socket, &sl, head); |
304 |
got_one++; |
305 |
|
306 |
if (sl.len >= (MAXSOCKBUF - MAXITEMLEN)) |
307 |
{ |
308 |
Send_With_Handling (&pl->contr->socket, &sl); |
309 |
sprintf ((char *) sl.buf, "item%d ", pl->contr->socket.itemcmd); |
310 |
sl.len = strlen ((char *) sl.buf); |
311 |
SockList_AddInt (&sl, 0); |
312 |
got_one = 0; |
313 |
} |
314 |
} /* If LOOK_OBJ() */ |
315 |
} |
316 |
if (got_one) |
317 |
Send_With_Handling (&pl->contr->socket, &sl); |
318 |
|
319 |
free (sl.buf); |
320 |
} |
321 |
|
322 |
/** |
323 |
* Sends whole inventory. |
324 |
*/ |
325 |
void |
326 |
esrv_send_inventory (object *pl, object *op) |
327 |
{ |
328 |
object *tmp; |
329 |
int got_one = 0; |
330 |
SockList sl; |
331 |
|
332 |
sl.buf = (unsigned char *) malloc (MAXSOCKBUF); |
333 |
|
334 |
sprintf ((char *) sl.buf, "delinv %d", op->count); |
335 |
sl.len = strlen ((char *) sl.buf); |
336 |
Send_With_Handling (&pl->contr->socket, &sl); |
337 |
|
338 |
sprintf ((char *) sl.buf, "item%d ", pl->contr->socket.itemcmd); |
339 |
sl.len = strlen ((char *) sl.buf); |
340 |
|
341 |
SockList_AddInt (&sl, op->count); |
342 |
|
343 |
for (tmp = op->inv; tmp; tmp = tmp->below) |
344 |
{ |
345 |
object *head; |
346 |
|
347 |
if (tmp->head) |
348 |
head = tmp->head; |
349 |
else |
350 |
head = tmp; |
351 |
|
352 |
if (LOOK_OBJ (head)) |
353 |
{ |
354 |
add_object_to_socklist (&pl->contr->socket, &sl, head); |
355 |
|
356 |
got_one++; |
357 |
|
358 |
/* IT is possible for players to accumulate a huge amount of |
359 |
* items (especially with some of the bags out there) to |
360 |
* overflow the buffer. IF so, send multiple item commands. |
361 |
*/ |
362 |
if (sl.len >= (MAXSOCKBUF - MAXITEMLEN)) |
363 |
{ |
364 |
Send_With_Handling (&pl->contr->socket, &sl); |
365 |
sprintf ((char *) sl.buf, "item%d ", pl->contr->socket.itemcmd); |
366 |
sl.len = strlen ((char *) sl.buf); |
367 |
SockList_AddInt (&sl, op->count); |
368 |
got_one = 0; |
369 |
} |
370 |
} /* If LOOK_OBJ() */ |
371 |
} |
372 |
if (got_one) |
373 |
Send_With_Handling (&pl->contr->socket, &sl); |
374 |
free (sl.buf); |
375 |
} |
376 |
|
377 |
/** |
378 |
* Updates object *op for player *pl. |
379 |
* |
380 |
* flags is a list of values to update |
381 |
* to the client (as defined in newclient.h - might as well use the |
382 |
* same value both places. |
383 |
*/ |
384 |
|
385 |
void |
386 |
esrv_update_item (int flags, object *pl, object *op) |
387 |
{ |
388 |
SockList sl; |
389 |
|
390 |
/* If we have a request to send the player item, skip a few checks. */ |
391 |
if (op != pl) |
392 |
{ |
393 |
if (!LOOK_OBJ (op)) |
394 |
return; |
395 |
/* we remove the check for op->env, because in theory, the object |
396 |
* is hopefully in the same place, so the client should preserve |
397 |
* order. |
398 |
*/ |
399 |
} |
400 |
|
401 |
if (!QUERY_FLAG (op, FLAG_CLIENT_SENT)) |
402 |
{ |
403 |
/* FLAG_CLIENT_SENT is debug only. We are using it to see where |
404 |
* this is happening - we can set a breakpoint here in the debugger |
405 |
* and track back the call. |
406 |
*/ |
407 |
LOG (llevDebug, "We have not sent item %s (%d)\n", &op->name, op->count); |
408 |
} |
409 |
|
410 |
sl.buf = (unsigned char *) malloc (MAXSOCKBUF); |
411 |
|
412 |
strcpy ((char *) sl.buf, "upditem "); |
413 |
sl.len = strlen ((char *) sl.buf); |
414 |
|
415 |
SockList_AddChar (&sl, (char) flags); |
416 |
|
417 |
if (op->head) |
418 |
op = op->head; |
419 |
|
420 |
SockList_AddInt (&sl, op->count); |
421 |
|
422 |
if (flags & UPD_LOCATION) |
423 |
SockList_AddInt (&sl, op->env ? op->env->count : 0); |
424 |
|
425 |
if (flags & UPD_FLAGS) |
426 |
SockList_AddInt (&sl, query_flags (op)); |
427 |
|
428 |
if (flags & UPD_WEIGHT) |
429 |
{ |
430 |
sint32 weight = WEIGHT (op); |
431 |
|
432 |
SockList_AddInt (&sl, QUERY_FLAG (op, FLAG_NO_PICK) ? -1 : weight); |
433 |
if (pl == op) |
434 |
{ |
435 |
op->contr->last_weight = weight; |
436 |
} |
437 |
} |
438 |
|
439 |
if (flags & UPD_FACE) |
440 |
{ |
441 |
if (!(pl->contr->socket.faces_sent[op->face->number] & NS_FACESENT_FACE)) |
442 |
esrv_send_face (&pl->contr->socket, op->face->number, 0); |
443 |
SockList_AddInt (&sl, op->face->number); |
444 |
} |
445 |
|
446 |
if (flags & UPD_NAME) |
447 |
{ |
448 |
int len; |
449 |
const char *item_p; |
450 |
char item_n[MAX_BUF]; |
451 |
|
452 |
if (!op->custom_name) |
453 |
{ |
454 |
strncpy (item_n, query_base_name (op, 0), 127); |
455 |
item_n[127] = 0; |
456 |
len = strlen (item_n); |
457 |
item_p = query_base_name (op, 1); |
458 |
} |
459 |
else |
460 |
{ |
461 |
strncpy (item_n, op->custom_name, 127); |
462 |
item_n[127] = 0; |
463 |
len = strlen (item_n); |
464 |
item_p = op->custom_name; |
465 |
} |
466 |
|
467 |
strncpy (item_n + len + 1, item_p, 127); |
468 |
item_n[254] = 0; |
469 |
len += strlen (item_n + 1 + len) + 1; |
470 |
SockList_AddChar (&sl, (char) len); |
471 |
memcpy (sl.buf + sl.len, item_n, len); |
472 |
sl.len += len; |
473 |
} |
474 |
|
475 |
if (flags & UPD_ANIM) |
476 |
SockList_AddShort (&sl, op->animation_id); |
477 |
|
478 |
if (flags & UPD_ANIMSPEED) |
479 |
{ |
480 |
int anim_speed = 0; |
481 |
|
482 |
if (QUERY_FLAG (op, FLAG_ANIMATE)) |
483 |
{ |
484 |
if (op->anim_speed) |
485 |
anim_speed = op->anim_speed; |
486 |
else |
487 |
{ |
488 |
if (FABS (op->speed) < 0.001) |
489 |
anim_speed = 255; |
490 |
else if (FABS (op->speed) >= 1.0) |
491 |
anim_speed = 1; |
492 |
else |
493 |
anim_speed = (int) (1.0 / FABS (op->speed)); |
494 |
} |
495 |
if (anim_speed > 255) |
496 |
anim_speed = 255; |
497 |
} |
498 |
SockList_AddChar (&sl, (char) anim_speed); |
499 |
} |
500 |
if (flags & UPD_NROF) |
501 |
SockList_AddInt (&sl, op->nrof); |
502 |
|
503 |
Send_With_Handling (&pl->contr->socket, &sl); |
504 |
free (sl.buf); |
505 |
} |
506 |
|
507 |
/** |
508 |
* Sends item's info to player. |
509 |
*/ |
510 |
void |
511 |
esrv_send_item (object *pl, object *op) |
512 |
{ |
513 |
SockList sl; |
514 |
|
515 |
/* If this is not the player object, do some more checks */ |
516 |
if (op != pl) |
517 |
{ |
518 |
/* We only send 'visibile' objects to the client */ |
519 |
if (!LOOK_OBJ (op)) |
520 |
return; |
521 |
/* if the item is on the ground, mark that the look needs to |
522 |
* be updated. |
523 |
*/ |
524 |
if (!op->env) |
525 |
{ |
526 |
pl->contr->socket.update_look = 1; |
527 |
return; |
528 |
} |
529 |
} |
530 |
|
531 |
sl.buf = (unsigned char *) malloc (MAXSOCKBUF); |
532 |
|
533 |
sprintf ((char *) sl.buf, "item%d ", pl->contr->socket.itemcmd); |
534 |
sl.len = strlen ((char *) sl.buf); |
535 |
|
536 |
if (op->head) |
537 |
op = op->head; |
538 |
|
539 |
SockList_AddInt (&sl, op->env ? op->env->count : 0); |
540 |
|
541 |
add_object_to_socklist (&pl->contr->socket, &sl, op); |
542 |
|
543 |
Send_With_Handling (&pl->contr->socket, &sl); |
544 |
SET_FLAG (op, FLAG_CLIENT_SENT); |
545 |
free (sl.buf); |
546 |
} |
547 |
|
548 |
/** |
549 |
* Tells the client to delete an item. Uses the item |
550 |
* command with a -1 location. |
551 |
*/ |
552 |
|
553 |
void |
554 |
esrv_del_item (player *pl, int tag) |
555 |
{ |
556 |
SockList sl; |
557 |
|
558 |
sl.buf = (unsigned char *) malloc (MAXSOCKBUF); |
559 |
|
560 |
strcpy ((char *) sl.buf, "delitem "); |
561 |
sl.len = strlen ((char *) sl.buf); |
562 |
SockList_AddInt (&sl, tag); |
563 |
|
564 |
Send_With_Handling (&pl->socket, &sl); |
565 |
free (sl.buf); |
566 |
} |
567 |
|
568 |
|
569 |
/******************************************************************************* |
570 |
* |
571 |
* Client has requested us to do something with an object. |
572 |
* |
573 |
******************************************************************************/ |
574 |
|
575 |
/** |
576 |
* Takes a player and object count (tag) and returns the actual object |
577 |
* pointer, or null if it can't be found. |
578 |
*/ |
579 |
|
580 |
object * |
581 |
esrv_get_ob_from_count (object *pl, tag_t count) |
582 |
{ |
583 |
object *op, *tmp; |
584 |
|
585 |
if (pl->count == count) |
586 |
return pl; |
587 |
|
588 |
for (op = pl->inv; op; op = op->below) |
589 |
if (op->count == count) |
590 |
return op; |
591 |
else if (op->type == CONTAINER && pl->container == op) |
592 |
for (tmp = op->inv; tmp; tmp = tmp->below) |
593 |
if (tmp->count == count) |
594 |
return tmp; |
595 |
|
596 |
for (op = get_map_ob (pl->map, pl->x, pl->y); op; op = op->above) |
597 |
if (op->head != NULL && op->head->count == count) |
598 |
return op; |
599 |
else if (op->count == count) |
600 |
return op; |
601 |
else if (op->type == CONTAINER && pl->container == op) |
602 |
for (tmp = op->inv; tmp; tmp = tmp->below) |
603 |
if (tmp->count == count) |
604 |
return tmp; |
605 |
|
606 |
return NULL; |
607 |
} |
608 |
|
609 |
|
610 |
/** Client wants to examine some object. So lets do so. */ |
611 |
void |
612 |
ExamineCmd (char *buf, int len, player *pl) |
613 |
{ |
614 |
tag_t tag = atoi (buf); |
615 |
|
616 |
/* If the high bit is set, player examined a pseudo object. */ |
617 |
if (tag & 0x80000000) |
618 |
return; |
619 |
|
620 |
object *op = esrv_get_ob_from_count (pl->ob, tag); |
621 |
|
622 |
if (!op) |
623 |
{ |
624 |
LOG (llevDebug, "Player '%s' tried to examine the unknown object (%ld)\n", &pl->ob->name, tag); |
625 |
return; |
626 |
} |
627 |
|
628 |
examine (pl->ob, op); |
629 |
} |
630 |
|
631 |
/** Client wants to apply some object. Lets do so. */ |
632 |
void |
633 |
ApplyCmd (char *buf, int len, player *pl) |
634 |
{ |
635 |
tag_t tag = atoi (buf); |
636 |
|
637 |
/* sort of a hack, but if the player saves and the player then manually |
638 |
* applies a savebed (or otherwise tries to do stuff), we run into trouble. |
639 |
*/ |
640 |
if (QUERY_FLAG (pl->ob, FLAG_REMOVED)) |
641 |
return; |
642 |
|
643 |
/* If the high bit is set, player applied a pseudo object. */ |
644 |
if (tag & 0x80000000) |
645 |
{ |
646 |
pl->socket.look_position = tag & 0x7fffffff; |
647 |
pl->socket.update_look = 1; |
648 |
return; |
649 |
} |
650 |
|
651 |
object *op = esrv_get_ob_from_count (pl->ob, tag); |
652 |
|
653 |
if (!op) |
654 |
{ |
655 |
LOG (llevDebug, "Player '%s' tried to apply the unknown object (%d)\n", &pl->ob->name, tag); |
656 |
return; |
657 |
} |
658 |
|
659 |
player_apply (pl->ob, op, 0, 0); |
660 |
} |
661 |
|
662 |
/** Client wants to apply some object. Lets do so. */ |
663 |
void |
664 |
LockItem (uint8 *data, int len, player *pl) |
665 |
{ |
666 |
int flag = data[0]; |
667 |
tag_t tag = net_uint32 (data + 1); |
668 |
object *op = esrv_get_ob_from_count (pl->ob, tag); |
669 |
|
670 |
if (!op) |
671 |
{ |
672 |
new_draw_info (NDI_UNIQUE, 0, pl->ob, "Could not find object to lock/unlock"); |
673 |
return; |
674 |
} |
675 |
|
676 |
if (!flag) |
677 |
CLEAR_FLAG (op, FLAG_INV_LOCKED); |
678 |
else |
679 |
SET_FLAG (op, FLAG_INV_LOCKED); |
680 |
|
681 |
esrv_update_item (UPD_FLAGS, pl->ob, op); |
682 |
} |
683 |
|
684 |
/** Client wants to apply some object. Lets do so. */ |
685 |
void |
686 |
MarkItem (uint8 * data, int len, player *pl) |
687 |
{ |
688 |
tag_t tag = net_uint32 (data); |
689 |
object *op = esrv_get_ob_from_count (pl->ob, tag); |
690 |
|
691 |
if (!op) |
692 |
{ |
693 |
new_draw_info (NDI_UNIQUE, 0, pl->ob, "Could not find object to mark"); |
694 |
return; |
695 |
} |
696 |
|
697 |
pl->mark = op; |
698 |
new_draw_info_format (NDI_UNIQUE, 0, pl->ob, "Marked item %s", query_name (op)); |
699 |
} |
700 |
|
701 |
/** |
702 |
* look_at prints items on the specified square. |
703 |
* |
704 |
* [ removed EARTHWALL check and added check for containers inventory. |
705 |
* Tero.Haatanen@lut.fi ] |
706 |
*/ |
707 |
void |
708 |
look_at (object *op, int dx, int dy) |
709 |
{ |
710 |
object *tmp; |
711 |
int flag = 0; |
712 |
sint16 x, y; |
713 |
maptile *m; |
714 |
|
715 |
x = op->x + dx; |
716 |
y = op->y + dy; |
717 |
|
718 |
if (out_of_map (op->map, x, y)) |
719 |
return; |
720 |
|
721 |
m = get_map_from_coord (op->map, &x, &y); |
722 |
if (!m) |
723 |
return; |
724 |
|
725 |
for (tmp = get_map_ob (m, x, y); tmp != NULL && tmp->above != NULL; tmp = tmp->above); |
726 |
|
727 |
for (; tmp != NULL; tmp = tmp->below) |
728 |
{ |
729 |
if (tmp->invisible && !QUERY_FLAG (op, FLAG_WIZ)) |
730 |
continue; |
731 |
|
732 |
if (!flag) |
733 |
{ |
734 |
if (dx || dy) |
735 |
new_draw_info (NDI_UNIQUE, 0, op, "There you see:"); |
736 |
else |
737 |
{ |
738 |
clear_win_info (op); |
739 |
new_draw_info (NDI_UNIQUE, 0, op, "You see:"); |
740 |
} |
741 |
flag = 1; |
742 |
} |
743 |
|
744 |
if (QUERY_FLAG (op, FLAG_WIZ)) |
745 |
new_draw_info_format (NDI_UNIQUE, 0, op, "- %s (%d).", query_name (tmp), tmp->count); |
746 |
else |
747 |
new_draw_info_format (NDI_UNIQUE, 0, op, "- %s.", query_name (tmp)); |
748 |
|
749 |
if (((tmp->inv != NULL || (tmp->head && tmp->head->inv)) && |
750 |
(tmp->type != CONTAINER && tmp->type != FLESH)) || QUERY_FLAG (op, FLAG_WIZ)) |
751 |
inventory (op, tmp->head == NULL ? tmp : tmp->head); |
752 |
|
753 |
if (QUERY_FLAG (tmp, FLAG_IS_FLOOR) && !QUERY_FLAG (op, FLAG_WIZ)) /* don't continue under the floor */ |
754 |
break; |
755 |
} |
756 |
|
757 |
if (!flag) |
758 |
{ |
759 |
if (dx || dy) |
760 |
new_draw_info (NDI_UNIQUE, 0, op, "You see nothing there."); |
761 |
else |
762 |
new_draw_info (NDI_UNIQUE, 0, op, "You see nothing."); |
763 |
} |
764 |
} |
765 |
|
766 |
|
767 |
|
768 |
/** Client wants to look at some object. Lets do so. */ |
769 |
void |
770 |
LookAt (char *buf, int len, player *pl) |
771 |
{ |
772 |
int dx, dy; |
773 |
char *cp; |
774 |
|
775 |
dx = atoi (buf); |
776 |
if (!(cp = strchr (buf, ' '))) |
777 |
{ |
778 |
return; |
779 |
} |
780 |
dy = atoi (cp); |
781 |
|
782 |
if (FABS (dx) > pl->socket.mapx / 2 || FABS (dy) > pl->socket.mapy / 2) |
783 |
return; |
784 |
|
785 |
if (pl->blocked_los[dx + pl->socket.mapx / 2][dy + pl->socket.mapy / 2]) |
786 |
return; |
787 |
|
788 |
look_at (pl->ob, dx, dy); |
789 |
} |
790 |
|
791 |
/** Move an object to a new location */ |
792 |
void |
793 |
esrv_move_object (object *pl, tag_t to, tag_t tag, long nrof) |
794 |
{ |
795 |
object *op, *env; |
796 |
|
797 |
op = esrv_get_ob_from_count (pl, tag); |
798 |
if (!op) |
799 |
{ |
800 |
LOG (llevDebug, "Player '%s' tried to move an unknown object (%ld)\n", &pl->name, tag); |
801 |
return; |
802 |
} |
803 |
|
804 |
if (!to) |
805 |
{ /* drop it to the ground */ |
806 |
|
807 |
/* LOG(llevDebug, "Drop it on the ground.\n");*/ |
808 |
|
809 |
if (op->map && !op->env) |
810 |
{ |
811 |
|
812 |
/* LOG(llevDebug,"Dropping object to ground that is already on ground\n");*/ |
813 |
return; |
814 |
} |
815 |
/* If it is an active container, then we should drop all objects |
816 |
* in the container and not the container itself. |
817 |
*/ |
818 |
if (op->inv && QUERY_FLAG (op, FLAG_APPLIED)) |
819 |
{ |
820 |
object *current, *next; |
821 |
|
822 |
for (current = op->inv; current != NULL; current = next) |
823 |
{ |
824 |
next = current->below; |
825 |
drop_object (pl, current, 0); |
826 |
} |
827 |
esrv_update_item (UPD_WEIGHT, pl, op); |
828 |
} |
829 |
else |
830 |
{ |
831 |
drop_object (pl, op, nrof); |
832 |
} |
833 |
return; |
834 |
} |
835 |
else if (to == pl->count) |
836 |
{ /* pick it up to the inventory */ |
837 |
/* return if player has already picked it up */ |
838 |
if (op->env == pl) |
839 |
return; |
840 |
|
841 |
pl->contr->count = nrof; |
842 |
pick_up (pl, op); |
843 |
return; |
844 |
} |
845 |
env = esrv_get_ob_from_count (pl, to); |
846 |
if (!env) |
847 |
{ |
848 |
LOG (llevDebug, "Player '%s' tried to move object to the unknown location (%d)\n", &pl->name, to); |
849 |
return; |
850 |
} |
851 |
/* put_object_in_sack presumes that necessary sanity checking |
852 |
* has already been done (eg, it can be picked up and fits in |
853 |
* in a sack, so check for those things. We should also check |
854 |
* an make sure env is in fact a container for that matter. |
855 |
*/ |
856 |
if (env->type == CONTAINER && can_pick (pl, op) && sack_can_hold (pl, env, op, nrof)) |
857 |
{ |
858 |
put_object_in_sack (pl, env, op, nrof); |
859 |
} |
860 |
} |