1 |
/* |
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CrossFire, A Multiplayer game for X-windows |
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|
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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> |
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#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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|
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/******************************************************************************* |
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* |
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* Functions related to sending object data to the client. |
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* |
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******************************************************************************/ |
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|
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/** |
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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) |
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{ |
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int len; |
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|
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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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} |
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|
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/** |
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* This is a similar to query_name, but returns flags |
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* to be sended to client. |
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*/ |
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unsigned int |
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query_flags (object *op) |
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{ |
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unsigned int flags = 0; |
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|
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if (QUERY_FLAG (op, FLAG_APPLIED)) |
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{ |
83 |
switch (op->type) |
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{ |
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case BOW: |
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case WAND: |
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case ROD: |
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case HORN: |
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flags = a_readied; |
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break; |
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case WEAPON: |
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flags = a_wielded; |
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break; |
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case SKILL: |
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case ARMOUR: |
96 |
case HELMET: |
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case SHIELD: |
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case RING: |
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case BOOTS: |
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case GLOVES: |
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case AMULET: |
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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: |
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flags = a_active; |
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break; |
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default: |
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flags = a_applied; |
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break; |
113 |
} |
114 |
} |
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if (op->type == CONTAINER && ((op->env && op->env->container == op) || (!op->env && QUERY_FLAG (op, FLAG_APPLIED)))) |
116 |
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; |
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else if (QUERY_FLAG (op, FLAG_CURSED)) |
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flags |= F_CURSED; |
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} |
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if (QUERY_FLAG (op, FLAG_KNOWN_MAGICAL) && !QUERY_FLAG (op, FLAG_IDENTIFIED)) |
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flags |= F_MAGIC; |
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if (QUERY_FLAG (op, FLAG_UNPAID)) |
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flags |= F_UNPAID; |
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if (QUERY_FLAG (op, FLAG_INV_LOCKED)) |
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flags |= F_LOCKED; |
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|
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return flags; |
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} |
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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 |
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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]) |
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esrv_send_animation (&ns, head->animation_id); |
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|
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sl << uint32 (head->count) |
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<< uint32 (flags) |
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<< uint32 (QUERY_FLAG (head, FLAG_NO_PICK) ? -1 : WEIGHT (head)) |
159 |
<< uint32 (head->face->number); |
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|
161 |
if (!head->custom_name) |
162 |
{ |
163 |
strncpy (item_n, query_base_name (head, 0), 127); |
164 |
item_n[127] = 0; |
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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; |
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len = strlen (item_n); |
173 |
item_p = head->custom_name; |
174 |
} |
175 |
|
176 |
strncpy (item_n + len + 1, item_p, 127); |
177 |
item_n[254] = 0; |
178 |
len += strlen (item_n + 1 + len) + 1; |
179 |
|
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sl << data8 (item_n, len) |
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<< uint16 (head->animation_id); |
182 |
|
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anim_speed = 0; |
184 |
if (QUERY_FLAG (head, FLAG_ANIMATE)) |
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{ |
186 |
if (head->anim_speed) |
187 |
anim_speed = head->anim_speed; |
188 |
else |
189 |
{ |
190 |
if (FABS (head->speed) < 0.001) |
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anim_speed = 255; |
192 |
else if (FABS (head->speed) >= 1.0) |
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anim_speed = 1; |
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else |
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anim_speed = (int) (1.0 / FABS (head->speed)); |
196 |
} |
197 |
|
198 |
if (anim_speed > 255) |
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anim_speed = 255; |
200 |
} |
201 |
|
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sl << uint8 (anim_speed) |
203 |
<< uint32 (head->nrof); |
204 |
|
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if (ns.itemcmd == 2) |
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sl << uint16 (head->client_type); |
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|
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SET_FLAG (head, FLAG_CLIENT_SENT); |
209 |
} |
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|
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|
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/** |
213 |
* Send the look window. Don't need to do animations here |
214 |
* This sends all the faces to the client, not just updates. This is |
215 |
* because object ordering would otherwise be inconsistent |
216 |
*/ |
217 |
|
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void |
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esrv_draw_look (object *pl) |
220 |
{ |
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object *tmp, *last; |
222 |
int got_one = 0, start_look = 0, end_look = 0; |
223 |
char buf[MAX_BUF]; |
224 |
|
225 |
if (!pl->contr->socket.update_look) |
226 |
{ |
227 |
LOG (llevDebug, "esrv_draw_look called when update_look was not set\n"); |
228 |
return; |
229 |
} |
230 |
else |
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pl->contr->socket.update_look = 0; |
232 |
|
233 |
if (QUERY_FLAG (pl, FLAG_REMOVED) |
234 |
|| !pl->map |
235 |
|| pl->map->in_memory != MAP_IN_MEMORY |
236 |
|| out_of_map (pl->map, pl->x, pl->y)) |
237 |
return; |
238 |
|
239 |
for (tmp = get_map_ob (pl->map, pl->x, pl->y); tmp && tmp->above; tmp = tmp->above); |
240 |
|
241 |
SockList sl (MAXSOCKBUF); |
242 |
|
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Write_String_To_Socket (&pl->contr->socket, "delinv 0", sizeof ("delinv 0") - 1); |
244 |
|
245 |
sl.printf ("item%d ", pl->contr->socket.itemcmd); |
246 |
|
247 |
sl << uint32 (0); |
248 |
|
249 |
if (!(pl->contr->socket.faces_sent[empty_face->number] & NS_FACESENT_FACE)) |
250 |
esrv_send_face (&pl->contr->socket, empty_face->number, 0); |
251 |
|
252 |
if (pl->contr->socket.look_position) |
253 |
{ |
254 |
sl << uint32 (0x80000000 | (pl->contr->socket.look_position - NUM_LOOK_OBJECTS)) |
255 |
<< uint32 (0) |
256 |
<< sint32 (-1) |
257 |
<< uint32 (empty_face->number); |
258 |
|
259 |
sl.printf ("Click here to see %d previous items", NUM_LOOK_OBJECTS); |
260 |
|
261 |
sl << uint16 (0) |
262 |
<< uint8 (0) |
263 |
<< uint32 (0); |
264 |
|
265 |
if (pl->contr->socket.itemcmd == 2) |
266 |
sl << uint16 (0); |
267 |
} |
268 |
|
269 |
for (last = NULL; tmp != last; tmp = tmp->below) |
270 |
{ |
271 |
object *head; |
272 |
|
273 |
if (QUERY_FLAG (tmp, FLAG_IS_FLOOR) && !last) |
274 |
{ |
275 |
last = tmp->below; /* assumes double floor mode */ |
276 |
if (last && QUERY_FLAG (last, FLAG_IS_FLOOR)) |
277 |
last = last->below; |
278 |
} |
279 |
|
280 |
if (LOOK_OBJ (tmp)) |
281 |
{ |
282 |
if (++start_look < pl->contr->socket.look_position) |
283 |
continue; |
284 |
|
285 |
end_look++; |
286 |
|
287 |
if (end_look > NUM_LOOK_OBJECTS) |
288 |
{ |
289 |
/* What we basically do is make a 'fake' object - when the user applies it, |
290 |
* we notice the special tag the object has, and act accordingly. |
291 |
*/ |
292 |
SockList_AddInt (&sl, 0x80000000 | (pl->contr->socket.look_position + NUM_LOOK_OBJECTS)); |
293 |
SockList_AddInt (&sl, 0); |
294 |
SockList_AddInt (&sl, (uint32) - 1); |
295 |
SockList_AddInt (&sl, empty_face->number); |
296 |
sprintf (buf, "Click here to see next group of items"); |
297 |
add_stringlen_to_sockbuf (buf, &sl); |
298 |
SockList_AddShort (&sl, 0); |
299 |
SockList_AddChar (&sl, 0); |
300 |
SockList_AddInt (&sl, 0); |
301 |
if (pl->contr->socket.itemcmd == 2) |
302 |
SockList_AddShort (&sl, 0); |
303 |
break; |
304 |
} |
305 |
if (tmp->head) |
306 |
head = tmp->head; |
307 |
else |
308 |
head = tmp; |
309 |
|
310 |
add_object_to_socklist (pl->contr->socket, sl, head); |
311 |
got_one++; |
312 |
|
313 |
if (sl.len >= (MAXSOCKBUF - MAXITEMLEN)) |
314 |
{ |
315 |
Send_With_Handling (&pl->contr->socket, &sl); |
316 |
sprintf ((char *) sl.buf, "item%d ", pl->contr->socket.itemcmd); |
317 |
sl.len = strlen ((char *) sl.buf); |
318 |
SockList_AddInt (&sl, 0); |
319 |
got_one = 0; |
320 |
} |
321 |
} /* If LOOK_OBJ() */ |
322 |
} |
323 |
|
324 |
if (got_one) |
325 |
Send_With_Handling (&pl->contr->socket, &sl); |
326 |
|
327 |
sl.free (); |
328 |
} |
329 |
|
330 |
/** |
331 |
* Sends whole inventory. |
332 |
*/ |
333 |
void |
334 |
esrv_send_inventory (object *pl, object *op) |
335 |
{ |
336 |
object *tmp; |
337 |
int got_one = 0; |
338 |
SockList sl; |
339 |
|
340 |
sl.buf = (unsigned char *) malloc (MAXSOCKBUF); |
341 |
|
342 |
sprintf ((char *) sl.buf, "delinv %d", op->count); |
343 |
sl.len = strlen ((char *) sl.buf); |
344 |
Send_With_Handling (&pl->contr->socket, &sl); |
345 |
|
346 |
sprintf ((char *) sl.buf, "item%d ", pl->contr->socket.itemcmd); |
347 |
sl.len = strlen ((char *) sl.buf); |
348 |
|
349 |
SockList_AddInt (&sl, op->count); |
350 |
|
351 |
for (tmp = op->inv; tmp; tmp = tmp->below) |
352 |
{ |
353 |
object *head; |
354 |
|
355 |
if (tmp->head) |
356 |
head = tmp->head; |
357 |
else |
358 |
head = tmp; |
359 |
|
360 |
if (LOOK_OBJ (head)) |
361 |
{ |
362 |
add_object_to_socklist (pl->contr->socket, sl, head); |
363 |
|
364 |
got_one++; |
365 |
|
366 |
/* IT is possible for players to accumulate a huge amount of |
367 |
* items (especially with some of the bags out there) to |
368 |
* overflow the buffer. IF so, send multiple item commands. |
369 |
*/ |
370 |
if (sl.len >= (MAXSOCKBUF - MAXITEMLEN)) |
371 |
{ |
372 |
Send_With_Handling (&pl->contr->socket, &sl); |
373 |
sprintf ((char *) sl.buf, "item%d ", pl->contr->socket.itemcmd); |
374 |
sl.len = strlen ((char *) sl.buf); |
375 |
SockList_AddInt (&sl, op->count); |
376 |
got_one = 0; |
377 |
} |
378 |
} /* If LOOK_OBJ() */ |
379 |
} |
380 |
if (got_one) |
381 |
Send_With_Handling (&pl->contr->socket, &sl); |
382 |
sl.free (); |
383 |
} |
384 |
|
385 |
/** |
386 |
* Updates object *op for player *pl. |
387 |
* |
388 |
* flags is a list of values to update |
389 |
* to the client (as defined in newclient.h - might as well use the |
390 |
* same value both places. |
391 |
*/ |
392 |
|
393 |
void |
394 |
esrv_update_item (int flags, object *pl, object *op) |
395 |
{ |
396 |
SockList sl; |
397 |
|
398 |
/* If we have a request to send the player item, skip a few checks. */ |
399 |
if (op != pl) |
400 |
{ |
401 |
if (!LOOK_OBJ (op)) |
402 |
return; |
403 |
/* we remove the check for op->env, because in theory, the object |
404 |
* is hopefully in the same place, so the client should preserve |
405 |
* order. |
406 |
*/ |
407 |
} |
408 |
|
409 |
if (!QUERY_FLAG (op, FLAG_CLIENT_SENT)) |
410 |
{ |
411 |
/* FLAG_CLIENT_SENT is debug only. We are using it to see where |
412 |
* this is happening - we can set a breakpoint here in the debugger |
413 |
* and track back the call. |
414 |
*/ |
415 |
LOG (llevDebug, "We have not sent item %s (%d)\n", &op->name, op->count); |
416 |
} |
417 |
|
418 |
sl.buf = (unsigned char *) malloc (MAXSOCKBUF); |
419 |
|
420 |
strcpy ((char *) sl.buf, "upditem "); |
421 |
sl.len = strlen ((char *) sl.buf); |
422 |
|
423 |
SockList_AddChar (&sl, (char) flags); |
424 |
|
425 |
if (op->head) |
426 |
op = op->head; |
427 |
|
428 |
SockList_AddInt (&sl, op->count); |
429 |
|
430 |
if (flags & UPD_LOCATION) |
431 |
SockList_AddInt (&sl, op->env ? op->env->count : 0); |
432 |
|
433 |
if (flags & UPD_FLAGS) |
434 |
SockList_AddInt (&sl, query_flags (op)); |
435 |
|
436 |
if (flags & UPD_WEIGHT) |
437 |
{ |
438 |
sint32 weight = WEIGHT (op); |
439 |
|
440 |
SockList_AddInt (&sl, QUERY_FLAG (op, FLAG_NO_PICK) ? -1 : weight); |
441 |
if (pl == op) |
442 |
{ |
443 |
op->contr->last_weight = weight; |
444 |
} |
445 |
} |
446 |
|
447 |
if (flags & UPD_FACE) |
448 |
{ |
449 |
if (!(pl->contr->socket.faces_sent[op->face->number] & NS_FACESENT_FACE)) |
450 |
esrv_send_face (&pl->contr->socket, op->face->number, 0); |
451 |
SockList_AddInt (&sl, op->face->number); |
452 |
} |
453 |
|
454 |
if (flags & UPD_NAME) |
455 |
{ |
456 |
int len; |
457 |
const char *item_p; |
458 |
char item_n[MAX_BUF]; |
459 |
|
460 |
if (!op->custom_name) |
461 |
{ |
462 |
strncpy (item_n, query_base_name (op, 0), 127); |
463 |
item_n[127] = 0; |
464 |
len = strlen (item_n); |
465 |
item_p = query_base_name (op, 1); |
466 |
} |
467 |
else |
468 |
{ |
469 |
strncpy (item_n, op->custom_name, 127); |
470 |
item_n[127] = 0; |
471 |
len = strlen (item_n); |
472 |
item_p = op->custom_name; |
473 |
} |
474 |
|
475 |
strncpy (item_n + len + 1, item_p, 127); |
476 |
item_n[254] = 0; |
477 |
len += strlen (item_n + 1 + len) + 1; |
478 |
SockList_AddChar (&sl, (char) len); |
479 |
memcpy (sl.buf + sl.len, item_n, len); |
480 |
sl.len += len; |
481 |
} |
482 |
|
483 |
if (flags & UPD_ANIM) |
484 |
SockList_AddShort (&sl, op->animation_id); |
485 |
|
486 |
if (flags & UPD_ANIMSPEED) |
487 |
{ |
488 |
int anim_speed = 0; |
489 |
|
490 |
if (QUERY_FLAG (op, FLAG_ANIMATE)) |
491 |
{ |
492 |
if (op->anim_speed) |
493 |
anim_speed = op->anim_speed; |
494 |
else |
495 |
{ |
496 |
if (FABS (op->speed) < 0.001) |
497 |
anim_speed = 255; |
498 |
else if (FABS (op->speed) >= 1.0) |
499 |
anim_speed = 1; |
500 |
else |
501 |
anim_speed = (int) (1.0 / FABS (op->speed)); |
502 |
} |
503 |
if (anim_speed > 255) |
504 |
anim_speed = 255; |
505 |
} |
506 |
SockList_AddChar (&sl, (char) anim_speed); |
507 |
} |
508 |
if (flags & UPD_NROF) |
509 |
SockList_AddInt (&sl, op->nrof); |
510 |
|
511 |
Send_With_Handling (&pl->contr->socket, &sl); |
512 |
sl.free (); |
513 |
} |
514 |
|
515 |
/** |
516 |
* Sends item's info to player. |
517 |
*/ |
518 |
void |
519 |
esrv_send_item (object *pl, object *op) |
520 |
{ |
521 |
SockList sl; |
522 |
|
523 |
/* If this is not the player object, do some more checks */ |
524 |
if (op != pl) |
525 |
{ |
526 |
/* We only send 'visibile' objects to the client */ |
527 |
if (!LOOK_OBJ (op)) |
528 |
return; |
529 |
/* if the item is on the ground, mark that the look needs to |
530 |
* be updated. |
531 |
*/ |
532 |
if (!op->env) |
533 |
{ |
534 |
pl->contr->socket.update_look = 1; |
535 |
return; |
536 |
} |
537 |
} |
538 |
|
539 |
sl.buf = (unsigned char *) malloc (MAXSOCKBUF); |
540 |
|
541 |
sprintf ((char *) sl.buf, "item%d ", pl->contr->socket.itemcmd); |
542 |
sl.len = strlen ((char *) sl.buf); |
543 |
|
544 |
if (op->head) |
545 |
op = op->head; |
546 |
|
547 |
SockList_AddInt (&sl, op->env ? op->env->count : 0); |
548 |
|
549 |
add_object_to_socklist (pl->contr->socket, sl, op); |
550 |
|
551 |
Send_With_Handling (&pl->contr->socket, &sl); |
552 |
SET_FLAG (op, FLAG_CLIENT_SENT); |
553 |
|
554 |
sl.free (); |
555 |
} |
556 |
|
557 |
/** |
558 |
* Tells the client to delete an item. Uses the item |
559 |
* command with a -1 location. |
560 |
*/ |
561 |
|
562 |
void |
563 |
esrv_del_item (player *pl, int tag) |
564 |
{ |
565 |
SockList sl; |
566 |
|
567 |
sl.buf = (unsigned char *) malloc (MAXSOCKBUF); |
568 |
|
569 |
strcpy ((char *) sl.buf, "delitem "); |
570 |
sl.len = strlen ((char *) sl.buf); |
571 |
SockList_AddInt (&sl, tag); |
572 |
|
573 |
Send_With_Handling (&pl->socket, &sl); |
574 |
sl.free (); |
575 |
} |
576 |
|
577 |
|
578 |
/******************************************************************************* |
579 |
* |
580 |
* Client has requested us to do something with an object. |
581 |
* |
582 |
******************************************************************************/ |
583 |
|
584 |
/** |
585 |
* Takes a player and object count (tag) and returns the actual object |
586 |
* pointer, or null if it can't be found. |
587 |
*/ |
588 |
|
589 |
object * |
590 |
esrv_get_ob_from_count (object *pl, tag_t count) |
591 |
{ |
592 |
object *op, *tmp; |
593 |
|
594 |
if (pl->count == count) |
595 |
return pl; |
596 |
|
597 |
for (op = pl->inv; op; op = op->below) |
598 |
if (op->count == count) |
599 |
return op; |
600 |
else if (op->type == CONTAINER && pl->container == op) |
601 |
for (tmp = op->inv; tmp; tmp = tmp->below) |
602 |
if (tmp->count == count) |
603 |
return tmp; |
604 |
|
605 |
for (op = get_map_ob (pl->map, pl->x, pl->y); op; op = op->above) |
606 |
if (op->head != NULL && op->head->count == count) |
607 |
return op; |
608 |
else if (op->count == count) |
609 |
return op; |
610 |
else if (op->type == CONTAINER && pl->container == op) |
611 |
for (tmp = op->inv; tmp; tmp = tmp->below) |
612 |
if (tmp->count == count) |
613 |
return tmp; |
614 |
|
615 |
return NULL; |
616 |
} |
617 |
|
618 |
|
619 |
/** Client wants to examine some object. So lets do so. */ |
620 |
void |
621 |
ExamineCmd (char *buf, int len, player *pl) |
622 |
{ |
623 |
tag_t tag = atoi (buf); |
624 |
|
625 |
/* If the high bit is set, player examined a pseudo object. */ |
626 |
if (tag & 0x80000000) |
627 |
return; |
628 |
|
629 |
object *op = esrv_get_ob_from_count (pl->ob, tag); |
630 |
|
631 |
if (!op) |
632 |
{ |
633 |
LOG (llevDebug, "Player '%s' tried to examine the unknown object (%ld)\n", &pl->ob->name, tag); |
634 |
return; |
635 |
} |
636 |
|
637 |
examine (pl->ob, op); |
638 |
} |
639 |
|
640 |
/** Client wants to apply some object. Lets do so. */ |
641 |
void |
642 |
ApplyCmd (char *buf, int len, player *pl) |
643 |
{ |
644 |
tag_t tag = atoi (buf); |
645 |
|
646 |
/* sort of a hack, but if the player saves and the player then manually |
647 |
* applies a savebed (or otherwise tries to do stuff), we run into trouble. |
648 |
*/ |
649 |
if (QUERY_FLAG (pl->ob, FLAG_REMOVED)) |
650 |
return; |
651 |
|
652 |
/* If the high bit is set, player applied a pseudo object. */ |
653 |
if (tag & 0x80000000) |
654 |
{ |
655 |
pl->socket.look_position = tag & 0x7fffffff; |
656 |
pl->socket.update_look = 1; |
657 |
return; |
658 |
} |
659 |
|
660 |
object *op = esrv_get_ob_from_count (pl->ob, tag); |
661 |
|
662 |
if (!op) |
663 |
{ |
664 |
LOG (llevDebug, "Player '%s' tried to apply the unknown object (%d)\n", &pl->ob->name, tag); |
665 |
return; |
666 |
} |
667 |
|
668 |
player_apply (pl->ob, op, 0, 0); |
669 |
} |
670 |
|
671 |
/** Client wants to apply some object. Lets do so. */ |
672 |
void |
673 |
LockItem (uint8 *data, int len, player *pl) |
674 |
{ |
675 |
int flag = data[0]; |
676 |
tag_t tag = net_uint32 (data + 1); |
677 |
object *op = esrv_get_ob_from_count (pl->ob, tag); |
678 |
|
679 |
if (!op) |
680 |
{ |
681 |
new_draw_info (NDI_UNIQUE, 0, pl->ob, "Could not find object to lock/unlock"); |
682 |
return; |
683 |
} |
684 |
|
685 |
if (!flag) |
686 |
CLEAR_FLAG (op, FLAG_INV_LOCKED); |
687 |
else |
688 |
SET_FLAG (op, FLAG_INV_LOCKED); |
689 |
|
690 |
esrv_update_item (UPD_FLAGS, pl->ob, op); |
691 |
} |
692 |
|
693 |
/** Client wants to apply some object. Lets do so. */ |
694 |
void |
695 |
MarkItem (uint8 * data, int len, player *pl) |
696 |
{ |
697 |
tag_t tag = net_uint32 (data); |
698 |
object *op = esrv_get_ob_from_count (pl->ob, tag); |
699 |
|
700 |
if (!op) |
701 |
{ |
702 |
new_draw_info (NDI_UNIQUE, 0, pl->ob, "Could not find object to mark"); |
703 |
return; |
704 |
} |
705 |
|
706 |
pl->mark = op; |
707 |
new_draw_info_format (NDI_UNIQUE, 0, pl->ob, "Marked item %s", query_name (op)); |
708 |
} |
709 |
|
710 |
/** |
711 |
* look_at prints items on the specified square. |
712 |
* |
713 |
* [ removed EARTHWALL check and added check for containers inventory. |
714 |
* Tero.Haatanen@lut.fi ] |
715 |
*/ |
716 |
void |
717 |
look_at (object *op, int dx, int dy) |
718 |
{ |
719 |
object *tmp; |
720 |
int flag = 0; |
721 |
sint16 x, y; |
722 |
maptile *m; |
723 |
|
724 |
x = op->x + dx; |
725 |
y = op->y + dy; |
726 |
|
727 |
if (out_of_map (op->map, x, y)) |
728 |
return; |
729 |
|
730 |
m = get_map_from_coord (op->map, &x, &y); |
731 |
if (!m) |
732 |
return; |
733 |
|
734 |
for (tmp = get_map_ob (m, x, y); tmp != NULL && tmp->above != NULL; tmp = tmp->above); |
735 |
|
736 |
for (; tmp != NULL; tmp = tmp->below) |
737 |
{ |
738 |
if (tmp->invisible && !QUERY_FLAG (op, FLAG_WIZ)) |
739 |
continue; |
740 |
|
741 |
if (!flag) |
742 |
{ |
743 |
if (dx || dy) |
744 |
new_draw_info (NDI_UNIQUE, 0, op, "There you see:"); |
745 |
else |
746 |
{ |
747 |
clear_win_info (op); |
748 |
new_draw_info (NDI_UNIQUE, 0, op, "You see:"); |
749 |
} |
750 |
flag = 1; |
751 |
} |
752 |
|
753 |
if (QUERY_FLAG (op, FLAG_WIZ)) |
754 |
new_draw_info_format (NDI_UNIQUE, 0, op, "- %s (%d).", query_name (tmp), tmp->count); |
755 |
else |
756 |
new_draw_info_format (NDI_UNIQUE, 0, op, "- %s.", query_name (tmp)); |
757 |
|
758 |
if (((tmp->inv != NULL || (tmp->head && tmp->head->inv)) && |
759 |
(tmp->type != CONTAINER && tmp->type != FLESH)) || QUERY_FLAG (op, FLAG_WIZ)) |
760 |
inventory (op, tmp->head == NULL ? tmp : tmp->head); |
761 |
|
762 |
if (QUERY_FLAG (tmp, FLAG_IS_FLOOR) && !QUERY_FLAG (op, FLAG_WIZ)) /* don't continue under the floor */ |
763 |
break; |
764 |
} |
765 |
|
766 |
if (!flag) |
767 |
{ |
768 |
if (dx || dy) |
769 |
new_draw_info (NDI_UNIQUE, 0, op, "You see nothing there."); |
770 |
else |
771 |
new_draw_info (NDI_UNIQUE, 0, op, "You see nothing."); |
772 |
} |
773 |
} |
774 |
|
775 |
|
776 |
|
777 |
/** Client wants to look at some object. Lets do so. */ |
778 |
void |
779 |
LookAt (char *buf, int len, player *pl) |
780 |
{ |
781 |
int dx, dy; |
782 |
char *cp; |
783 |
|
784 |
dx = atoi (buf); |
785 |
if (!(cp = strchr (buf, ' '))) |
786 |
{ |
787 |
return; |
788 |
} |
789 |
dy = atoi (cp); |
790 |
|
791 |
if (FABS (dx) > pl->socket.mapx / 2 || FABS (dy) > pl->socket.mapy / 2) |
792 |
return; |
793 |
|
794 |
if (pl->blocked_los[dx + pl->socket.mapx / 2][dy + pl->socket.mapy / 2]) |
795 |
return; |
796 |
|
797 |
look_at (pl->ob, dx, dy); |
798 |
} |
799 |
|
800 |
/** Move an object to a new location */ |
801 |
void |
802 |
esrv_move_object (object *pl, tag_t to, tag_t tag, long nrof) |
803 |
{ |
804 |
object *op, *env; |
805 |
|
806 |
op = esrv_get_ob_from_count (pl, tag); |
807 |
if (!op) |
808 |
{ |
809 |
LOG (llevDebug, "Player '%s' tried to move an unknown object (%ld)\n", &pl->name, tag); |
810 |
return; |
811 |
} |
812 |
|
813 |
if (!to) |
814 |
{ /* drop it to the ground */ |
815 |
|
816 |
/* LOG(llevDebug, "Drop it on the ground.\n");*/ |
817 |
|
818 |
if (op->map && !op->env) |
819 |
{ |
820 |
|
821 |
/* LOG(llevDebug,"Dropping object to ground that is already on ground\n");*/ |
822 |
return; |
823 |
} |
824 |
/* If it is an active container, then we should drop all objects |
825 |
* in the container and not the container itself. |
826 |
*/ |
827 |
if (op->inv && QUERY_FLAG (op, FLAG_APPLIED)) |
828 |
{ |
829 |
object *current, *next; |
830 |
|
831 |
for (current = op->inv; current != NULL; current = next) |
832 |
{ |
833 |
next = current->below; |
834 |
drop_object (pl, current, 0); |
835 |
} |
836 |
esrv_update_item (UPD_WEIGHT, pl, op); |
837 |
} |
838 |
else |
839 |
{ |
840 |
drop_object (pl, op, nrof); |
841 |
} |
842 |
return; |
843 |
} |
844 |
else if (to == pl->count) |
845 |
{ /* pick it up to the inventory */ |
846 |
/* return if player has already picked it up */ |
847 |
if (op->env == pl) |
848 |
return; |
849 |
|
850 |
pl->contr->count = nrof; |
851 |
pick_up (pl, op); |
852 |
return; |
853 |
} |
854 |
env = esrv_get_ob_from_count (pl, to); |
855 |
if (!env) |
856 |
{ |
857 |
LOG (llevDebug, "Player '%s' tried to move object to the unknown location (%d)\n", &pl->name, to); |
858 |
return; |
859 |
} |
860 |
/* put_object_in_sack presumes that necessary sanity checking |
861 |
* has already been done (eg, it can be picked up and fits in |
862 |
* in a sack, so check for those things. We should also check |
863 |
* an make sure env is in fact a container for that matter. |
864 |
*/ |
865 |
if (env->type == CONTAINER && can_pick (pl, op) && sack_can_hold (pl, env, op, nrof)) |
866 |
{ |
867 |
put_object_in_sack (pl, env, op, nrof); |
868 |
} |
869 |
} |