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Comparing deliantra/server/socket/request.C (file contents):
Revision 1.104 by root, Tue Jun 5 13:05:03 2007 UTC vs.
Revision 1.170 by root, Thu Apr 8 20:05:36 2010 UTC

1/* 1/*
2 * This file is part of Crossfire TRT, the Multiplayer Online Role Playing Game. 2 * This file is part of Deliantra, the Roguelike Realtime MMORPG.
3 * 3 *
4 * Copyright (©) 2005,2006,2007 Marc Alexander Lehmann / Robin Redeker / the Crossfire TRT team 4 * Copyright (©) 2005,2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
5 * Copyright (©) 2001,2007 Mark Wedel 5 * Copyright (©) 2001 Mark Wedel
6 * Copyright (©) 1992,2007 Frank Tore Johansen 6 * Copyright (©) 1992 Frank Tore Johansen
7 * 7 *
8 * Crossfire TRT is free software; you can redistribute it and/or modify it 8 * Deliantra is free software: you can redistribute it and/or modify it under
9 * under the terms of the GNU General Public License as published by the Free 9 * the terms of the Affero GNU General Public License as published by the
10 * Software Foundation; either version 2 of the License, or (at your option) 10 * Free Software Foundation, either version 3 of the License, or (at your
11 * any later version. 11 * option) any later version.
12 * 12 *
13 * This program is distributed in the hope that it will be useful, but 13 * This program is distributed in the hope that it will be useful,
14 * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY 14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * for more details. 16 * GNU General Public License for more details.
17 * 17 *
18 * You should have received a copy of the GNU General Public License along 18 * You should have received a copy of the Affero GNU General Public License
19 * with Crossfire TRT; if not, write to the Free Software Foundation, Inc. 51 19 * and the GNU General Public License along with this program. If not, see
20 * Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 20 * <http://www.gnu.org/licenses/>.
21 * 21 *
22 * The authors can be reached via e-mail to <crossfire@schmorp.de> 22 * The authors can be reached via e-mail to <support@deliantra.net>
23 */ 23 */
24
25//+GPL
24 26
25/** 27/**
26 * \file 28 * \file
27 * Client handling. 29 * Client handling.
28 * 30 *
42 44
43#include <global.h> 45#include <global.h>
44#include <sproto.h> 46#include <sproto.h>
45 47
46#include <living.h> 48#include <living.h>
47#include <commands.h>
48 49
49/* This block is basically taken from socket.c - I assume if it works there, 50/* This block is basically taken from socket.c - I assume if it works there,
50 * it should work here. 51 * it should work here.
51 */ 52 */
52#include <sys/types.h> 53#include <sys/types.h>
64 * This table translates the attack numbers as used within the 65 * This table translates the attack numbers as used within the
65 * program to the value we use when sending STATS command to the 66 * program to the value we use when sending STATS command to the
66 * client. If a value is -1, then we don't send that to the 67 * client. If a value is -1, then we don't send that to the
67 * client. 68 * client.
68 */ 69 */
69short atnr_cs_stat[NROFATTACKS] = { CS_STAT_RES_PHYS, 70static short atnr_cs_stat[NROFATTACKS] = { CS_STAT_RES_PHYS,
70 CS_STAT_RES_MAG, CS_STAT_RES_FIRE, CS_STAT_RES_ELEC, 71 CS_STAT_RES_MAG, CS_STAT_RES_FIRE, CS_STAT_RES_ELEC,
71 CS_STAT_RES_COLD, CS_STAT_RES_CONF, CS_STAT_RES_ACID, 72 CS_STAT_RES_COLD, CS_STAT_RES_CONF, CS_STAT_RES_ACID,
72 CS_STAT_RES_DRAIN, -1 /* weaponmagic */ , 73 CS_STAT_RES_DRAIN, -1 /* weaponmagic */ ,
73 CS_STAT_RES_GHOSTHIT, CS_STAT_RES_POISON, 74 CS_STAT_RES_GHOSTHIT, CS_STAT_RES_POISON,
74 CS_STAT_RES_SLOW, CS_STAT_RES_PARA, CS_STAT_TURN_UNDEAD, 75 CS_STAT_RES_SLOW, CS_STAT_RES_PARA, CS_STAT_TURN_UNDEAD,
99 */ 100 */
100 mx = ns->mapx; 101 mx = ns->mapx;
101 my = ns->mapy; 102 my = ns->mapy;
102 103
103 /* the x and y here are coordinates for the new map, i.e. if we moved 104 /* the x and y here are coordinates for the new map, i.e. if we moved
104 * (dx,dy), newmap[x][y] = oldmap[x-dx][y-dy]. For this reason, 105 * (dx,dy), newmap[x][y] = oldmap[x-dx][y-dy]. For this reason,
105 * if the destination x or y coordinate is outside the viewable 106 * if the destination x or y coordinate is outside the viewable
106 * area, we clear the values - otherwise, the old values 107 * area, we clear the values - otherwise, the old values
107 * are preserved, and the check_head thinks it needs to clear them. 108 * are preserved, and the check_head thinks it needs to clear them.
108 */ 109 */
109 for (x = 0; x < mx; x++) 110 for (x = 0; x < mx; x++)
110 {
111 for (y = 0; y < my; y++) 111 for (y = 0; y < my; y++)
112 {
113 if (x >= ns->mapx || y >= ns->mapy) 112 if (x >= ns->mapx || y >= ns->mapy)
114 /* clear cells outside the viewable area */ 113 /* clear cells outside the viewable area */
115 memset (&newmap.cells[x][y], 0, sizeof (struct MapCell)); 114 memset (&newmap.cells[x][y], 0, sizeof (struct MapCell));
116 else if ((x + dx) < 0 || (x + dx) >= ns->mapx || (y + dy) < 0 || (y + dy) >= ns->mapy) 115 else if ((x + dx) < 0 || (x + dx) >= ns->mapx || (y + dy) < 0 || (y + dy) >= ns->mapy)
117 /* clear newly visible tiles within the viewable area */ 116 /* clear newly visible tiles within the viewable area */
118 memset (&(newmap.cells[x][y]), 0, sizeof (struct MapCell)); 117 memset (&(newmap.cells[x][y]), 0, sizeof (struct MapCell));
119 else 118 else
120 memcpy (&(newmap.cells[x][y]), &(ns->lastmap.cells[x + dx][y + dy]), sizeof (struct MapCell)); 119 memcpy (&(newmap.cells[x][y]), &(ns->lastmap.cells[x + dx][y + dy]), sizeof (struct MapCell));
121 }
122 }
123 120
124 memcpy (&(ns->lastmap), &newmap, sizeof (struct Map)); 121 memcpy (&(ns->lastmap), &newmap, sizeof (struct Map));
125 122
126 /* Make sure that the next "map1" command will be sent (even if it is 123 /* Make sure that the next "map1" command will be sent (even if it is
127 * empty). 124 * empty).
130} 127}
131 128
132static void 129static void
133clear_map (player *pl) 130clear_map (player *pl)
134{ 131{
132 pl->ns->mapinfo_queue_clear ();
133
135 memset (&pl->ns->lastmap, 0, sizeof (pl->ns->lastmap)); 134 memset (&pl->ns->lastmap, 0, sizeof (pl->ns->lastmap));
136 135
137 pl->ns->force_newmap = false; 136 pl->ns->force_newmap = false;
138 137
139 if (pl->ns->newmapcmd == 1) 138 if (pl->ns->newmapcmd == 1)
140 pl->ns->send_packet ("newmap"); 139 pl->ns->send_packet ("newmap");
141 140
142 pl->ns->floorbox_reset (); 141 pl->ns->floorbox_reset ();
142}
143
144static void
145send_map_info (player *pl)
146{
147 client &socket = *pl->ns;
148 object *ob = pl->viewpoint;
149
150 if (socket.mapinfocmd)
151 {
152 if (ob->map && ob->map->path[0])
153 {
154 int flags = 0;
155
156 if (ob->map->tile_path[0]) flags |= 1;
157 if (ob->map->tile_path[1]) flags |= 2;
158 if (ob->map->tile_path[2]) flags |= 4;
159 if (ob->map->tile_path[3]) flags |= 8;
160
161 socket.send_packet_printf ("mapinfo - spatial %d %d %d %d %d %s",
162 flags, socket.mapx / 2 - ob->x, socket.mapy / 2 - ob->y,
163 ob->map->width, ob->map->height, &ob->map->path);
164 }
165 else
166 socket.send_packet ("mapinfo current");
167 }
143} 168}
144 169
145/** check for map/region change and send new map data */ 170/** check for map/region change and send new map data */
146static void 171static void
147check_map_change (player *pl) 172check_map_change (player *pl)
148{ 173{
149 client &socket = *pl->ns; 174 client &socket = *pl->ns;
150 object *ob = pl->observe; 175 object *ob = pl->viewpoint;
176
177 region *reg = ob->region ();
178 if (socket.current_region != reg)
179 {
180 INVOKE_PLAYER (REGION_CHANGE, pl, ARG_REGION (reg), ARG_REGION (socket.current_region));
181 socket.current_region = reg;
182 }
183
184 // first try to aovid a full newmap on tiled map scrolls
185 if (socket.current_map != ob->map && !socket.force_newmap)
186 {
187 rv_vector rv;
188
189 get_rangevector_from_mapcoord (socket.current_map, socket.current_x, socket.current_y, ob, &rv, 0);
190
191 // manhattan distance is very handy here
192 if (rv.distance < 8) // 8 works nicely for speed << 70 and buggy gcfclient
193 {
194 socket.current_map = ob->map;
195 socket.current_x = ob->x;
196 socket.current_y = ob->y;
197
198 socket_map_scroll (&socket, rv.distance_x, rv.distance_y);
199 socket.floorbox_reset ();
200 send_map_info (pl);
201 }
202 }
151 203
152 if (socket.current_map != ob->map || socket.force_newmap) 204 if (socket.current_map != ob->map || socket.force_newmap)
153 { 205 {
154 clear_map (pl); 206 clear_map (pl);
155 socket.current_map = ob->map; 207 socket.current_map = ob->map;
156 208 send_map_info (pl);
157 if (socket.mapinfocmd)
158 {
159 if (ob->map && ob->map->path[0])
160 {
161 int flags = 0;
162
163 if (ob->map->tile_path[0]) flags |= 1;
164 if (ob->map->tile_path[1]) flags |= 2;
165 if (ob->map->tile_path[2]) flags |= 4;
166 if (ob->map->tile_path[3]) flags |= 8;
167
168 socket.send_packet_printf ("mapinfo - spatial %d %d %d %d %d %s",
169 flags, socket.mapx / 2 - ob->x, socket.mapy / 2 - ob->y,
170 ob->map->width, ob->map->height, &ob->map->path);
171 }
172 else
173 socket.send_packet ("mapinfo current");
174 }
175 } 209 }
176 else if (socket.current_x != ob->x || socket.current_y != ob->y) 210 else if (socket.current_x != ob->x || socket.current_y != ob->y)
177 { 211 {
178 int dx = ob->x - socket.current_x; 212 int dx = ob->x - socket.current_x;
179 int dy = ob->y - socket.current_y; 213 int dy = ob->y - socket.current_y;
180 214
181 if (socket.buggy_mapscroll && (abs (dx) > 8 || abs (dy) > 8))
182 clear_map (pl); // current (<= 1.9.1) clients have unchecked buffer overflows
183 else
184 {
185 socket_map_scroll (&socket, ob->x - socket.current_x, ob->y - socket.current_y); 215 socket_map_scroll (&socket, ob->x - socket.current_x, ob->y - socket.current_y);
186 socket.floorbox_reset (); 216 socket.floorbox_reset ();
187 }
188 } 217 }
189 218
190 socket.current_x = ob->x; 219 socket.current_x = ob->x;
191 socket.current_y = ob->y; 220 socket.current_y = ob->y;
221}
192 222
193 region *reg = ob->region (); 223/**
194 if (socket.current_region != reg) 224 * This sends the skill number to name mapping. We ignore
195 { 225 * the params - we always send the same info no matter what.
196 socket.current_region = reg; 226 */
197 socket.send_packet_printf ("drawinfo 0 You are now %s.\n(use whereami for more details)", &reg->longname); 227static void
228send_skill_info (client *ns, char *params)
229{
230 packet sl;
231 sl << "replyinfo skill_info\n";
232
233 for (int i = 1; i < NUM_SKILLS; i++)
234 sl.printf ("%d:%s\n", i + CS_STAT_SKILLINFO, &skill_names [i]);
235
236 if (sl.length () > MAXSOCKBUF)
198 } 237 {
238 LOG (llevError, "Buffer overflow in send_skill_info!\n");
239 fatal (0);
240 }
241
242 ns->send_packet (sl);
243}
244
245/**
246 * This sends the spell path to name mapping. We ignore
247 * the params - we always send the same info no matter what.
248 */
249static void
250send_spell_paths (client * ns, char *params)
251{
252 packet sl;
253
254 sl << "replyinfo spell_paths\n";
255
256 for (int i = 0; i < NRSPELLPATHS; i++)
257 sl.printf ("%d:%s\n", 1 << i, spellpathnames[i]);
258
259 if (sl.length () > MAXSOCKBUF)
260 {
261 LOG (llevError, "Buffer overflow in send_spell_paths!\n");
262 fatal (0);
263 }
264
265 ns->send_packet (sl);
199} 266}
200 267
201/** 268/**
202 * RequestInfo is sort of a meta command. There is some specific 269 * RequestInfo is sort of a meta command. There is some specific
203 * request of information, but we call other functions to provide 270 * request of information, but we call other functions to provide
204 * that information. 271 * that information.
205 */ 272 */
206void 273void
207RequestInfo (char *buf, int len, client * ns) 274RequestInfo (char *buf, int len, client *ns)
208{ 275{
209 char *params = NULL, *cp; 276 char *params;
210
211 /* No match */
212 char bigbuf[MAX_BUF];
213 int slen;
214
215 /* Set up replyinfo before we modify any of the buffers - this is used
216 * if we don't find a match.
217 */
218 strcpy (bigbuf, "replyinfo ");
219 slen = strlen (bigbuf);
220 safe_strcat (bigbuf, buf, &slen, MAX_BUF);
221 277
222 /* find the first space, make it null, and update the 278 /* find the first space, make it null, and update the
223 * params pointer. 279 * params pointer.
224 */ 280 */
225 for (cp = buf; *cp != '\0'; cp++) 281 for (params = buf; *params; params++)
226 if (*cp == ' ') 282 if (*params == ' ')
227 { 283 {
228 *cp = '\0';
229 params = cp + 1; 284 *params++ = 0;
230 break; 285 break;
231 } 286 }
232 287
233 if (!strcmp (buf, "image_info"))
234 send_image_info (ns, params);
235 else if (!strcmp (buf, "image_sums"))
236 send_image_sums (ns, params);
237 else if (!strcmp (buf, "skill_info")) 288 if (!strcmp (buf, "skill_info"))
238 send_skill_info (ns, params); 289 send_skill_info (ns, params);
239 else if (!strcmp (buf, "spell_paths")) 290 else if (!strcmp (buf, "spell_paths"))
240 send_spell_paths (ns, params); 291 send_spell_paths (ns, params);
241 else 292 else
242 ns->send_packet (bigbuf, len); 293 {
294 // undo tokenisation above and send replyinfo with the request unchanged
295 if (*params)
296 *--params = ' ';
297
298 ns->send_packet_printf ("replyinfo %s", buf);
299 }
243} 300}
244 301
245void 302void
246ExtCmd (char *buf, int len, player *pl) 303ExtCmd (char *buf, int len, player *pl)
247{ 304{
250 307
251void 308void
252ExtiCmd (char *buf, int len, client *ns) 309ExtiCmd (char *buf, int len, client *ns)
253{ 310{
254 INVOKE_CLIENT (EXTICMD, ns, ARG_DATA (buf, len)); 311 INVOKE_CLIENT (EXTICMD, ns, ARG_DATA (buf, len));
312}
313
314//-GPL
315
316void
317client::mapinfo_queue_clear ()
318{
319 for (auto (i, mapinfo_queue.begin ()); i != mapinfo_queue.end (); ++i)
320 free (*i);
321
322 mapinfo_queue.clear ();
323}
324
325bool
326client::mapinfo_try (char *buf)
327{
328 char *token = buf;
329 buf += strlen (buf) + 9;
330
331 // initial map and its origin
332 maptile *map = pl->viewpoint->map;
333 int mapx = pl->ns->mapx / 2 - pl->viewpoint->x;
334 int mapy = pl->ns->mapy / 2 - pl->viewpoint->y;
335 int max_distance = 8; // limit maximum path length to something generous
336
337 while (*buf && map && max_distance)
338 {
339 int dir = *buf++ - '1';
340
341 if (dir >= 0 && dir <= 3)
342 {
343 if (!map->tile_path [dir])
344 map = 0;
345 else if (map->tile_available (dir, false))
346 {
347 maptile *neigh = map->tile_map [dir];
348
349 switch (dir)
350 {
351 case 0: mapy -= neigh->height; break;
352 case 2: mapy += map ->height; break;
353 case 3: mapx -= neigh->width ; break;
354 case 1: mapx += map ->width ; break;
355 }
356
357 map = neigh;
358 --max_distance;
359 }
360 else
361 return 0;
362 }
363 else
364 max_distance = 0;
365 }
366
367 if (!max_distance)
368 send_packet_printf ("mapinfo %s error", token);
369 else if (!map || !map->path)
370 send_packet_printf ("mapinfo %s nomap", token);
371 else
372 {
373 int flags = 0;
374
375 if (map->tile_path[0]) flags |= 1;
376 if (map->tile_path[1]) flags |= 2;
377 if (map->tile_path[2]) flags |= 4;
378 if (map->tile_path[3]) flags |= 8;
379
380 send_packet_printf ("mapinfo %s spatial %d %d %d %d %d %s", token, flags, mapx, mapy, map->width, map->height, &map->path);
381 }
382
383 return 1;
384}
385
386void
387client::mapinfo_queue_run ()
388{
389 if (mapinfo_queue.empty () || !pl)
390 return;
391
392 for (int i = 0; i < mapinfo_queue.size (); ++i)
393 if (mapinfo_try (mapinfo_queue [i]))
394 {
395 free (mapinfo_queue [i]);
396 mapinfo_queue.erase (i);
397 }
398 else
399 ++i;
255} 400}
256 401
257void 402void
258MapInfoCmd (char *buf, int len, player *pl) 403MapInfoCmd (char *buf, int len, player *pl)
259{ 404{
260 // <mapinfo tag spatial tile-path 405 // <mapinfo tag spatial tile-path
261 // >mapinfo tag spatial flags x y w h hash 406 // >mapinfo tag spatial flags x y w h hash
262 407
263 char bigbuf[MAX_BUF], *token;
264
265 token = buf; 408 char *token = buf;
266 // copy token 409
267 if (!(buf = strchr (buf, ' '))) 410 if (!(buf = strchr (buf, ' ')))
268 return; 411 return;
269 412
270 *buf++ = 0;
271
272 if (!strncmp (buf, "spatial ", 8)) 413 if (!strncmp (buf, " spatial ", 9))
273 { 414 {
274 buf += 8; 415 char *copy = strdup (token);
416 copy [buf - token] = 0;
275 417
276 // initial map and its origin 418#if 0
277 maptile *map = pl->ob->map; 419 // this makes only sense when we flush the buffer immediately
278 sint16 dx, dy; 420 if (pl->ns->mapinfo_try (copy))
279 int mapx = pl->ns->mapx / 2 - pl->ob->x; 421 free (copy);
280 int mapy = pl->ns->mapy / 2 - pl->ob->y;
281 int max_distance = 8; // limit maximum path length to something generous
282
283 while (*buf && map && max_distance)
284 {
285 int dir = *buf++;
286
287 switch (dir)
288 {
289 case '1':
290 dx = 0;
291 dy = -1;
292 map = map->xy_find (dx, dy);
293 map && (mapy -= map->height);
294 break;
295 case '2':
296 mapx += map->width;
297 dx = map->width;
298 dy = 0;
299 map = map->xy_find (dx, dy);
300 break;
301 case '3':
302 mapy += map->height;
303 dx = 0;
304 dy = map->height;
305 map = map->xy_find (dx, dy);
306 break;
307 case '4':
308 dx = -1;
309 dy = 0;
310 map = map->xy_find (dx, dy);
311 map && (mapx -= map->width);
312 break;
313 }
314
315 --max_distance;
316 }
317
318 if (!max_distance)
319 snprintf (bigbuf, MAX_BUF, "mapinfo %s error", token);
320 else if (map && map->path[0])
321 {
322 int flags = 0;
323
324 if (map->tile_path[0]) flags |= 1;
325 if (map->tile_path[1]) flags |= 2;
326 if (map->tile_path[2]) flags |= 4;
327 if (map->tile_path[3]) flags |= 8;
328
329 snprintf (bigbuf, MAX_BUF, "mapinfo %s spatial %d %d %d %d %d %s", token, flags, mapx, mapy, map->width, map->height, &map->path);
330 }
331 else 422 else
332 snprintf (bigbuf, MAX_BUF, "mapinfo %s nomap", token); 423#endif
424 pl->ns->mapinfo_queue.push_back (copy);
333 } 425 }
334 else 426 else
335 snprintf (bigbuf, MAX_BUF, "mapinfo %s unsupported", token); 427 pl->ns->send_packet_printf ("mapinfo %s unsupported", token);
336
337 pl->ns->send_packet (bigbuf);
338} 428}
339 429
340/** This is the Setup cmd */ 430/** This is the Setup cmd */
341void 431void
342SetUp (char *buf, int len, client * ns) 432SetUp (char *buf, int len, client * ns)
354AddMeCmd (char *buf, int len, client *ns) 444AddMeCmd (char *buf, int len, client *ns)
355{ 445{
356 INVOKE_CLIENT (ADDME, ns, ARG_DATA (buf, len)); 446 INVOKE_CLIENT (ADDME, ns, ARG_DATA (buf, len));
357} 447}
358 448
359/** Reply to ExtendedInfos command */ 449//+GPL
360void
361ToggleExtendedInfos (char *buf, int len, client * ns)
362{
363 char cmdback[MAX_BUF];
364 char command[50];
365 int info, nextinfo;
366
367 cmdback[0] = '\0';
368 nextinfo = 0;
369
370 while (1)
371 {
372 /* 1. Extract an info */
373 info = nextinfo;
374
375 while ((info < len) && (buf[info] == ' '))
376 info++;
377
378 if (info >= len)
379 break;
380
381 nextinfo = info + 1;
382
383 while ((nextinfo < len) && (buf[nextinfo] != ' '))
384 nextinfo++;
385
386 if (nextinfo - info >= 49) /*Erroneous info asked */
387 continue;
388
389 strncpy (command, &(buf[info]), nextinfo - info);
390
391 /* 2. Interpret info */
392 if (!strcmp ("smooth", command))
393 /* Toggle smoothing */
394 ns->EMI_smooth = !ns->EMI_smooth;
395 else
396 /*bad value */;
397
398 /*3. Next info */
399 }
400
401 strcpy (cmdback, "ExtendedInfoSet");
402
403 if (ns->EMI_smooth)
404 {
405 strcat (cmdback, " ");
406 strcat (cmdback, "smoothing");
407 }
408
409 ns->send_packet (cmdback);
410}
411
412/*
413#define MSG_TYPE_BOOK 1
414#define MSG_TYPE_CARD 2
415#define MSG_TYPE_PAPER 3
416#define MSG_TYPE_SIGN 4
417#define MSG_TYPE_MONUMENT 5
418#define MSG_TYPE_SCRIPTED_DIALOG 6*/
419
420/** Reply to ExtendedInfos command */
421void
422ToggleExtendedText (char *buf, int len, client * ns)
423{
424 char cmdback[MAX_BUF];
425 char temp[10];
426 char command[50];
427 int info, nextinfo, i, flag;
428
429 cmdback[0] = '\0';
430
431 nextinfo = 0;
432 while (1)
433 {
434 /* 1. Extract an info */
435 info = nextinfo;
436
437 while ((info < len) && (buf[info] == ' '))
438 info++;
439
440 if (info >= len)
441 break;
442
443 nextinfo = info + 1;
444
445 while ((nextinfo < len) && (buf[nextinfo] != ' '))
446 nextinfo++;
447
448 if (nextinfo - info >= 49) /*Erroneous info asked */
449 continue;
450
451 strncpy (command, &(buf[info]), nextinfo - info);
452 command[nextinfo - info] = '\0';
453 /* 2. Interpret info */
454 i = sscanf (command, "%d", &flag);
455
456 if ((i == 1) && (flag > 0) && (flag <= MSG_TYPE_LAST))
457 ns->supported_readables |= (1 << flag);
458 /*3. Next info */
459 }
460
461 /* Send resulting state */
462 strcpy (cmdback, "ExtendedTextSet");
463
464 for (i = 0; i <= MSG_TYPE_LAST; i++)
465 if (ns->supported_readables & (1 << i))
466 {
467 strcat (cmdback, " ");
468 snprintf (temp, sizeof (temp), "%d", i);
469 strcat (cmdback, temp);
470 }
471
472 ns->send_packet (cmdback);
473}
474
475/**
476 * client requested an image. send it rate-limited
477 * before flushing.
478 */
479void
480AskFaceCmd (char *buf, int len, client *ns)
481{
482 ns->askface.push_back (atoi (buf));
483}
484
485/**
486 * Tells client the picture it has to use
487 * to smooth a picture number given as argument.
488 */
489void
490AskSmooth (char *buf, int len, client *ns)
491{
492 ns->send_face (atoi (buf));
493 ns->flush_fx ();
494}
495 450
496/** 451/**
497 * This handles the general commands from the client (ie, north, fire, cast, 452 * This handles the general commands from the client (ie, north, fire, cast,
498 * etc.) 453 * etc.)
499 */ 454 */
512 return; 467 return;
513 468
514 buf++; 469 buf++;
515 } 470 }
516 471
517 execute_newserver_command (pl->ob, (char *) buf); 472 execute_newserver_command (pl->ob, (char *)buf);
518 473
519 /* Perhaps something better should be done with a left over count. 474 /* Perhaps something better should be done with a left over count.
520 * Cleaning up the input should probably be done first - all actions 475 * Cleaning up the input should probably be done first - all actions
521 * for the command that issued the count should be done before any other 476 * for the command that issued the count should be done before any other
522 * commands. 477 * commands.
533void 488void
534NewPlayerCmd (char *buf, int len, player *pl) 489NewPlayerCmd (char *buf, int len, player *pl)
535{ 490{
536 if (len <= 6) 491 if (len <= 6)
537 { 492 {
538 LOG (llevDebug, "Corrupt ncom command <%s> not long enough - discarding\n", buf); 493 LOG (llevDebug, "%s: corrupt ncom command <%s>: not long enough (%d) - discarding\n", pl->ns->host, buf, len);
539 return; 494 return;
540 } 495 }
541 496
542 uint16 cmdid = net_uint16 ((uint8 *)buf); 497 uint16 cmdid = net_uint16 ((uint8 *)buf);
543 sint32 repeat = net_sint32 ((uint8 *)buf + 2); 498 sint32 repeat = net_sint32 ((uint8 *)buf + 2);
556 * commands. 511 * commands.
557 */ 512 */
558 pl->count = 0; 513 pl->count = 0;
559 514
560 //TODO: schmorp thinks whatever this calculates, it makes no sense at all 515 //TODO: schmorp thinks whatever this calculates, it makes no sense at all
561 int time = fabs (pl->ob->speed) < 0.001 516 int time = pl->ob->has_active_speed ()
562 ? time = MAX_TIME * 100
563 : time = (int) (MAX_TIME / fabs (pl->ob->speed)); 517 ? (int) (MAX_TIME / pl->ob->speed)
518 : MAX_TIME * 100;
564 519
565 /* Send confirmation of command execution now */ 520 /* Send confirmation of command execution now */
566 packet sl ("comc"); 521 packet sl ("comc");
567 sl << uint16 (cmdid) << uint32 (time); 522 sl << uint16 (cmdid) << uint32 (time);
568 pl->ns->send_packet (sl); 523 pl->ns->send_packet (sl);
610 LOG (llevError, "Unknown input state: %d\n", ns->state); 565 LOG (llevError, "Unknown input state: %d\n", ns->state);
611 } 566 }
612} 567}
613 568
614/** 569/**
615 * Client tells its version. If there is a mismatch, we close the 570 * Client tells its version info.
616 * socket. In real life, all we should care about is the client having
617 * something older than the server. If we assume the client will be
618 * backwards compatible, having it be a later version should not be a
619 * problem.
620 */ 571 */
621void 572void
622VersionCmd (char *buf, int len, client * ns) 573VersionCmd (char *buf, int len, client *ns)
623{ 574{
624 if (!buf) 575 INVOKE_CLIENT (VERSION, ns, ARG_DATA (buf, len));
625 {
626 LOG (llevError, "CS: received corrupted version command\n");
627 return;
628 }
629
630 ns->cs_version = atoi (buf);
631 ns->sc_version = ns->cs_version;
632
633 LOG (llevDebug, "connection from client <%s>\n", buf);
634
635 //TODO: should log here just for statistics
636
637 //if (VERSION_CS != ns->cs_version)
638 // unchecked;
639
640 char *cp = strchr (buf + 1, ' ');
641 if (!cp)
642 return;
643
644 ns->sc_version = atoi (cp);
645
646 //if (VERSION_SC != ns->sc_version)
647 // unchecked;
648
649 cp = strchr (cp + 1, ' ');
650
651 if (cp)
652 {
653 ns->version = cp + 1;
654
655 if (ns->sc_version < 1026)
656 ns->send_packet_printf ("drawinfo %d %s", NDI_RED,
657 "**** VERSION WARNING ****\n**** CLIENT IS TOO OLD!! UPDATE THE CLIENT!! ****");
658 }
659} 576}
660 577
661/** sound related functions. */ 578/** sound related functions. */
662void 579void
663SetSound (char *buf, int len, client * ns) 580SetSound (char *buf, int len, client * ns)
681 * syntax is: move (to) (tag) (nrof) 598 * syntax is: move (to) (tag) (nrof)
682 */ 599 */
683void 600void
684MoveCmd (char *buf, int len, player *pl) 601MoveCmd (char *buf, int len, player *pl)
685{ 602{
686 int vals[3], i; 603 int to, tag, nrof;
687 604
688 /* A little funky here. We only cycle for 2 records, because 605 if (3 != sscanf (buf, "%d %d %d", &to, &tag, &nrof))
689 * we obviously are not going to find a space after the third
690 * record. Perhaps we should just replace this with a
691 * sscanf?
692 */
693 for (i = 0; i < 2; i++)
694 { 606 {
695 vals[i] = atoi (buf);
696
697 if (!(buf = strchr (buf, ' ')))
698 {
699 LOG (llevError, "Incomplete move command: %s\n", buf); 607 LOG (llevError, "Incomplete move command: %s\n", buf);
700 return; 608 return;
701 }
702
703 buf++;
704 } 609 }
705 610
706 vals[2] = atoi (buf); 611 esrv_move_object (pl->ob, to, tag, nrof);
707
708/* LOG(llevDebug,"Move item %d (nrof=%d) to %d.\n", vals[1], vals[2], vals[0]);*/
709 esrv_move_object (pl->ob, vals[0], vals[1], vals[2]);
710} 612}
711 613
712/****************************************************************************** 614/******************************************************************************
713 * 615 *
714 * Start of commands the server sends to the client. 616 * Start of commands the server sends to the client.
729 * Get player's current range attack in obuf. 631 * Get player's current range attack in obuf.
730 */ 632 */
731static void 633static void
732rangetostring (player *pl, char *obuf) 634rangetostring (player *pl, char *obuf)
733{ 635{
734 dynbuf_text buf; 636 dynbuf_text &buf = msg_dynbuf; buf.clear ();
637
638#if 0
639 // print ranged/chosen_skill etc. objects every call
640 printf ("%s %s => %s (%s)\n",
641 pl->ranged_ob ? &pl->ranged_ob->name : "-",
642 pl->combat_ob ? &pl->combat_ob->name : "-",
643 pl->ob->current_weapon ? &pl->ob->current_weapon->name : "-",
644 pl->ob->chosen_skill ? &pl->ob->chosen_skill->name : "-"
645 );
646#endif
735 647
736 if (pl->ranged_ob) 648 if (pl->ranged_ob)
737 buf << " Range" << (pl->ob->current_weapon == pl->ranged_ob ? "*" : "") << ": " << pl->ranged_ob->name; 649 buf << " Range" << (pl->ob->current_weapon == pl->ranged_ob ? "*" : "") << ": " << pl->ranged_ob->name;
738 650
739 if (pl->combat_ob) 651 if (pl->combat_ob)
747 659
748 //TODO: maybe golem should become the current_weapon, quite simply? 660 //TODO: maybe golem should become the current_weapon, quite simply?
749 if (pl->golem) 661 if (pl->golem)
750 buf << " Golem*: " << pl->golem->name; 662 buf << " Golem*: " << pl->golem->name;
751 663
664 buf << '\0';
752 buf.linearise (obuf); 665 buf.linearise (obuf);
753 obuf [buf.size ()] = 0;
754} 666}
755 667
756#define AddIfInt64(Old,New,Type) if (Old != New) {\ 668#define AddIfInt64(Old,New,Type) if (Old != New) {\
757 Old = New; \ 669 Old = New; \
758 sl << uint8 (Type) << uint64 (New); \ 670 sl << uint8 (Type) << uint64 (New); \
795 return; 707 return;
796 708
797 object *ob = pl->observe; 709 object *ob = pl->observe;
798 if (!ob) 710 if (!ob)
799 return; 711 return;
712
713 player *opl = ob->contr ? static_cast<player *>(ob->contr) : pl;
800 714
801 packet sl ("stats"); 715 packet sl ("stats");
802 716
803 AddIfShort (ns->last_stats.hp, ob->stats.hp, CS_STAT_HP); 717 AddIfShort (ns->last_stats.hp, ob->stats.hp, CS_STAT_HP);
804 AddIfShort (ns->last_stats.maxhp, ob->stats.maxhp, CS_STAT_MAXHP); 718 AddIfShort (ns->last_stats.maxhp, ob->stats.maxhp, CS_STAT_MAXHP);
813 AddIfShort (ns->last_stats.Wis, ob->stats.Wis, CS_STAT_WIS); 727 AddIfShort (ns->last_stats.Wis, ob->stats.Wis, CS_STAT_WIS);
814 AddIfShort (ns->last_stats.Pow, ob->stats.Pow, CS_STAT_POW); 728 AddIfShort (ns->last_stats.Pow, ob->stats.Pow, CS_STAT_POW);
815 AddIfShort (ns->last_stats.Cha, ob->stats.Cha, CS_STAT_CHA); 729 AddIfShort (ns->last_stats.Cha, ob->stats.Cha, CS_STAT_CHA);
816 730
817 for (int s = 0; s < NUM_SKILLS; s++) 731 for (int s = 0; s < NUM_SKILLS; s++)
818 if (object *skill = pl->last_skill_ob[s]) 732 if (object *skill = opl->last_skill_ob [s])
819 if (skill->stats.exp != ns->last_skill_exp [s]) 733 if (skill->stats.exp != ns->last_skill_exp [s])
820 { 734 {
821 ns->last_skill_exp [s] = skill->stats.exp; 735 ns->last_skill_exp [s] = skill->stats.exp;
822 736
823 /* Always send along the level if exp changes. This is only 737 /* Always send along the level if exp changes. This is only
831 AddIfInt64 (ns->last_stats.exp, ob->stats.exp, CS_STAT_EXP64); 745 AddIfInt64 (ns->last_stats.exp, ob->stats.exp, CS_STAT_EXP64);
832 AddIfShort (ns->last_level, ob->level, CS_STAT_LEVEL); 746 AddIfShort (ns->last_level, ob->level, CS_STAT_LEVEL);
833 AddIfShort (ns->last_stats.wc, ob->stats.wc, CS_STAT_WC); 747 AddIfShort (ns->last_stats.wc, ob->stats.wc, CS_STAT_WC);
834 AddIfShort (ns->last_stats.ac, ob->stats.ac, CS_STAT_AC); 748 AddIfShort (ns->last_stats.ac, ob->stats.ac, CS_STAT_AC);
835 AddIfShort (ns->last_stats.dam, ob->stats.dam, CS_STAT_DAM); 749 AddIfShort (ns->last_stats.dam, ob->stats.dam, CS_STAT_DAM);
836 AddIfFloat (ns->last_speed, ob->speed, CS_STAT_SPEED, 1.f/TICK); 750 AddIfFloat (ns->last_speed, ob->speed, CS_STAT_SPEED, 1.f / TICK);
837 AddIfShort (ns->last_stats.food, ob->stats.food, CS_STAT_FOOD); 751 AddIfShort (ns->last_stats.food, ob->stats.food, CS_STAT_FOOD);
838 AddIfFloat (ns->last_weapon_sp, pl->weapon_sp, CS_STAT_WEAP_SP, 1.f/TICK); 752 AddIfFloat (ns->last_weapon_sp, pl->weapon_sp, CS_STAT_WEAP_SP, 1.f / TICK);
839 AddIfInt (ns->last_weight_limit, weight_limit[ob->stats.Str], CS_STAT_WEIGHT_LIM); 753 AddIfInt (ns->last_weight_limit, weight_limit[ob->stats.Str], CS_STAT_WEIGHT_LIM);
840 754
841 flags = 0; 755 flags = 0;
842 756
843 if (pl->fire_on) 757 if (opl->fire_on)
844 flags |= SF_FIREON; 758 flags |= SF_FIREON;
845 759
846 if (pl->run_on) 760 if (opl->run_on)
847 flags |= SF_RUNON; 761 flags |= SF_RUNON;
848 762
849 AddIfShort (ns->last_flags, flags, CS_STAT_FLAGS); 763 AddIfShort (ns->last_flags, flags, CS_STAT_FLAGS);
850 764
851 if (ns->sc_version < 1025)
852 { AddIfShort (ns->last_resist[ATNR_PHYSICAL], ob->resist[ATNR_PHYSICAL], CS_STAT_ARMOUR) }
853 else
854 for (int i = 0; i < NROFATTACKS; i++) 765 for (int i = 0; i < NROFATTACKS; i++)
855 { 766 {
856 /* Skip ones we won't send */ 767 /* Skip ones we won't send */
857 if (atnr_cs_stat[i] == -1) 768 if (atnr_cs_stat[i] == -1)
858 continue; 769 continue;
859 770
860 AddIfShort (ns->last_resist[i], ob->resist[i], atnr_cs_stat[i]); 771 AddIfShort (ns->last_resist[i], ob->resist[i], atnr_cs_stat[i]);
861 } 772 }
862 773
863 if (pl->ns->monitor_spells) 774 if (pl->ns->monitor_spells)
864 { 775 {
865 AddIfInt (ns->last_path_attuned, ob->path_attuned, CS_STAT_SPELL_ATTUNE); 776 AddIfInt (ns->last_path_attuned, ob->path_attuned, CS_STAT_SPELL_ATTUNE);
866 AddIfInt (ns->last_path_repelled, ob->path_repelled, CS_STAT_SPELL_REPEL); 777 AddIfInt (ns->last_path_repelled, ob->path_repelled, CS_STAT_SPELL_REPEL);
867 AddIfInt (ns->last_path_denied, ob->path_denied, CS_STAT_SPELL_DENY); 778 AddIfInt (ns->last_path_denied, ob->path_denied, CS_STAT_SPELL_DENY);
868 } 779 }
869 780
870 rangetostring (pl, buf); /* we want use the new fire & run system in new client */ 781 rangetostring (opl, buf); /* we want use the new fire & run system in new client */
871 AddIfString (ns->stats.range, buf, CS_STAT_RANGE); 782 AddIfString (ns->stats.range, buf, CS_STAT_RANGE);
872 set_title (ob, buf); 783 set_title (ob, buf);
873 AddIfString (ns->stats.title, buf, CS_STAT_TITLE); 784 AddIfString (ns->stats.title, buf, CS_STAT_TITLE);
874 785
875 /* Only send it away if we have some actual data */ 786 /* Only send it away if we have some actual data */
879 790
880/** 791/**
881 * Tells the client that here is a player it should start using. 792 * Tells the client that here is a player it should start using.
882 */ 793 */
883void 794void
884esrv_new_player (player *pl, uint32 weight) 795esrv_new_player (player *pl)
885{ 796{
797 sint32 weight = pl->ob->client_weight ();
798
886 packet sl ("player"); 799 packet sl ("player");
887 800
888 sl << uint32 (pl->ob->count) 801 sl << uint32 (pl->ob->count)
889 << uint32 (weight) 802 << uint32 (weight)
890 << uint32 (pl->ob->face) 803 << uint32 (pl->ob->face)
891 << data8 (pl->ob->name); 804 << data8 (pl->ob->name);
892 805
893 pl->ns->last_weight = weight; 806 pl->ns->last_weight = weight;
894 pl->ns->send_packet (sl); 807 pl->ns->send_packet (sl);
895 SET_FLAG (pl->ob, FLAG_CLIENT_SENT);
896} 808}
897 809
898/****************************************************************************** 810/******************************************************************************
899 * 811 *
900 * Start of map related commands. 812 * Start of map related commands.
957 869
958 if (!ns.faces_sent[face_num]) 870 if (!ns.faces_sent[face_num])
959 if (ob) 871 if (ob)
960 ns.send_faces (ob); 872 ns.send_faces (ob);
961 else 873 else
962 ns.send_face (face_num); 874 ns.send_face (face_num, 10);
963 875
964 sl << uint16 (face_num); 876 sl << uint16 (face_num);
965 return 1; 877 return 1;
966 } 878 }
967 879
968 /* Nothing changed */ 880 /* Nothing changed */
969 return 0; 881 return 0;
970} 882}
971 883
972/** 884//-GPL
973 * Returns the size of a data for a map square as returned by
974 * mapextended. There are CLIENTMAPX*CLIENTMAPY*LAYERS entries
975 * available.
976 */
977int
978getExtendedMapInfoSize (client * ns)
979{
980 int result = 0;
981
982 if (ns->ext_mapinfos)
983 {
984 if (ns->EMI_smooth)
985 result += 1; /*One byte for smoothlevel */
986 }
987
988 return result;
989}
990 885
991// prefetch (and touch) all maps within a specific distancd 886// prefetch (and touch) all maps within a specific distancd
992static void 887static void
993prefetch_surrounding_maps (maptile *map, int distance) 888prefetch_surrounding_maps (maptile *map, int distance)
994{ 889{
995 map->last_access = runtime; 890 map->touch ();
996 891
997 if (--distance) 892 if (--distance)
998 for (int dir = 4; --dir; ) 893 for (int dir = 4; dir--; )
999 if (const shstr &path = map->tile_path [dir]) 894 if (const shstr &path = map->tile_path [dir])
1000 if (maptile *&neigh = map->tile_map [dir]) 895 if (maptile *&neigh = map->tile_map [dir])
1001 prefetch_surrounding_maps (neigh, distance); 896 prefetch_surrounding_maps (neigh, distance);
1002 else 897 else
1003 neigh = maptile::find_async (path, map); 898 neigh = maptile::find_async (path, map);
1008prefetch_surrounding_maps (object *op) 903prefetch_surrounding_maps (object *op)
1009{ 904{
1010 prefetch_surrounding_maps (op->map, 3); 905 prefetch_surrounding_maps (op->map, 3);
1011} 906}
1012 907
908//+GPL
909
1013/** 910/**
1014 * Draws client map. 911 * Draws client map.
1015 */ 912 */
1016void 913void
1017draw_client_map (player *pl) 914draw_client_map (player *pl)
1018{ 915{
1019 object *ob = pl->observe; 916 object *ob = pl->viewpoint;
1020 if (!ob->active) 917 if (!pl->observe->active)
1021 return; 918 return;
1022
1023 maptile *plmap = ob->map;
1024 919
1025 /* If player is just joining the game, he isn't here yet, so the map 920 /* If player is just joining the game, he isn't here yet, so the map
1026 * can get swapped out. If so, don't try to send them a map. All will 921 * can get swapped out. If so, don't try to send them a map. All will
1027 * be OK once they really log in. 922 * be OK once they really log in.
1028 */ 923 */
1029 if (!plmap || plmap->in_memory != MAP_IN_MEMORY) 924 if (!ob->map || ob->map->in_memory != MAP_ACTIVE)
1030 return; 925 return;
1031 926
1032 int x, y, ax, ay, startlen, max_x, max_y, oldlen;
1033 sint16 nx, ny;
1034 int estartlen, eoldlen; 927 int startlen, oldlen;
1035 uint8 eentrysize;
1036 uint16 ewhatstart, ewhatflag;
1037 uint8 extendedinfos;
1038 maptile *m;
1039 928
1040 check_map_change (pl); 929 check_map_change (pl);
1041 prefetch_surrounding_maps (pl->ob); 930 prefetch_surrounding_maps (pl->ob);
1042 931
1043 /* do LOS after calls to update_position */ 932 /* do LOS after calls to update_position */
1044 if (ob != pl->ob) 933 /* unfortunately, we need to udpate los when observing, currently */
1045 clear_los (pl); 934 if (pl->do_los || pl->viewpoint != pl->ob)
1046 else if (pl->do_los)
1047 { 935 {
1048 update_los (ob);
1049 pl->do_los = 0; 936 pl->do_los = 0;
937 pl->update_los ();
1050 } 938 }
1051 939
1052 /** 940 /**
1053 * This function uses the new map1 protocol command to send the map 941 * This function uses the new map1 protocol command to send the map
1054 * to the client. It is necessary because the old map command supports 942 * to the client. It is necessary because the old map command supports
1073 */ 961 */
1074 962
1075 client &socket = *pl->ns; 963 client &socket = *pl->ns;
1076 964
1077 packet sl (socket.mapmode == Map1Cmd ? "map1" : "map1a"); 965 packet sl (socket.mapmode == Map1Cmd ? "map1" : "map1a");
1078 packet esl;
1079 966
1080 startlen = sl.length (); 967 startlen = sl.length ();
1081 968
1082 /*Extendedmapinfo structure initialisation */ 969 int hx = socket.mapx / 2;
1083 if (socket.ext_mapinfos) 970 int hy = socket.mapy / 2;
1084 {
1085 extendedinfos = EMI_NOREDRAW;
1086 971
1087 if (socket.EMI_smooth) 972 ordered_mapwalk_begin (ob, -hx, -hy, hx, hy)
1088 extendedinfos |= EMI_SMOOTH; 973 int ax = dx + hx;
974 int ay = dy + hy;
1089 975
1090 ewhatstart = esl.length (); 976 int mask = (ax << 10) | (ay << 4);
1091 ewhatflag = extendedinfos; /*The EMI_NOREDRAW bit
1092 could need to be taken away */
1093 eentrysize = getExtendedMapInfoSize (&socket);
1094 esl << "mapextended "
1095 << uint8 (extendedinfos)
1096 << uint8 (eentrysize);
1097
1098 estartlen = esl.length ();
1099 }
1100
1101 /* x,y are the real map locations. ax, ay are viewport relative
1102 * locations.
1103 */
1104 ay = 0;
1105
1106 /* We could do this logic as conditionals in the if statement,
1107 * but that started to get a bit messy to look at.
1108 */
1109 max_x = ob->x + (socket.mapx + 1) / 2;
1110 max_y = ob->y + (socket.mapy + 1) / 2;
1111
1112 for (y = ob->y - socket.mapy / 2; y < max_y; y++, ay++)
1113 {
1114 ax = 0;
1115 for (x = ob->x - socket.mapx / 2; x < max_x; x++, ax++)
1116 {
1117 int emask, mask;
1118 emask = mask = (ax & 0x3f) << 10 | (ay & 0x3f) << 4;
1119
1120 MapCell &lastcell = socket.lastmap.cells[ax][ay]; 977 MapCell &lastcell = socket.lastmap.cells[ax][ay];
1121 978
1122 /* If the coordinates are not valid, or it is too dark to see, 979 /* If the coordinates are not valid, or it is too dark to see,
1123 * we tell the client as such 980 * we tell the client as such
981 */
982 if (!m)
983 {
984 /* space is out of map. Update space and clear values
985 * if this hasn't already been done. If the space is out
986 * of the map, it shouldn't have a head.
1124 */ 987 */
1125 nx = x; 988 if (lastcell.count != -1)
1126 ny = y; 989 {
1127 m = get_map_from_coord (plmap, &nx, &ny); 990 sl << uint16 (mask);
991 map_clearcell (&lastcell, -1);
992 }
1128 993
1129 if (!m) 994 continue;
995 }
996
997 int d = pl->blocked_los_uc (dx, dy);
998
999 if (d > 3)
1000 {
1001 /* This block deals with spaces that are not visible for whatever
1002 * reason. Still may need to send the head for this space.
1003 */
1004 if (lastcell.count != -1
1005 || lastcell.faces[0]
1006 || lastcell.faces[1]
1007 || lastcell.faces[2]
1008 || lastcell.stat_hp
1009 || lastcell.flags
1010 || lastcell.player)
1011 sl << uint16 (mask);
1012
1013 /* properly clear a previously sent big face */
1014 map_clearcell (&lastcell, -1);
1015 }
1016 else
1017 {
1018 /* In this block, the space is visible.
1019 */
1020
1021 /* Rather than try to figure out what everything that we might
1022 * need to send is, then form the packet after that,
1023 * we presume that we will in fact form a packet, and update
1024 * the bits by what we do actually send. If we send nothing,
1025 * we just back out sl.length () to the old value, and no harm
1026 * is done.
1027 * I think this is simpler than doing a bunch of checks to see
1028 * what if anything we need to send, setting the bits, then
1029 * doing those checks again to add the real data.
1030 */
1031 oldlen = sl.length ();
1032
1033 sl << uint16 (mask);
1034
1035 unsigned char dummy;
1036 unsigned char *last_ext = &dummy;
1037
1038 /* Darkness changed */
1039 if (lastcell.count != d)
1040 {
1041 mask |= 0x8;
1042
1043 *last_ext |= 0x80;
1044 last_ext = &sl[sl.length ()];
1045 sl << uint8 (d);
1046 }
1047
1048 lastcell.count = d;
1049
1050 mapspace &ms = m->at (nx, ny);
1051 ms.update ();
1052
1053 // extmap handling
1054 uint8 stat_hp = 0;
1055 uint8 stat_width = 0;
1056 uint8 flags = 0;
1057 tag_t player = 0;
1058
1059 // send hp information, if applicable
1060 if (object *op = ms.faces_obj [0])
1061 if (op->is_head () && !op->invisible)
1130 { 1062 {
1131 /* space is out of map. Update space and clear values 1063 if (op->stats.maxhp > op->stats.hp
1132 * if this hasn't already been done. If the space is out 1064 && op->stats.maxhp > 0
1133 * of the map, it shouldn't have a head 1065 && (op->type == PLAYER
1134 */ 1066 || op->type == DOOR // does not work, have maxhp 0
1135 if (lastcell.count != -1) 1067 || QUERY_FLAG (op, FLAG_MONSTER)
1068 || QUERY_FLAG (op, FLAG_ALIVE)
1069 || QUERY_FLAG (op, FLAG_GENERATOR)))
1136 { 1070 {
1137 sl << uint16 (mask); 1071 stat_hp = 255 - (op->stats.hp * 255 + 254) / op->stats.maxhp;
1138 map_clearcell (&lastcell, -1); 1072 stat_width = op->arch->max_x - op->arch->x; //TODO: should be upper-left edge
1139 } 1073 }
1140 1074
1141 continue; 1075 if (expect_false (op->has_dialogue ()))
1076 flags |= 1;
1077
1078 if (expect_false (op->type == PLAYER))
1079 player = op == ob ? pl->ob->count
1080 : op == pl->ob ? ob->count
1081 : op->count;
1142 } 1082 }
1143
1144 m->touch ();
1145 1083
1146 int d = pl->blocked_los[ax][ay]; 1084 if (expect_false (lastcell.stat_hp != stat_hp))
1147
1148 if (d > 3)
1149 { 1085 {
1086 lastcell.stat_hp = stat_hp;
1150 1087
1151 int need_send = 0, count; 1088 mask |= 0x8;
1089 *last_ext |= 0x80;
1090 last_ext = &sl[sl.length ()];
1152 1091
1153 /* This block deals with spaces that are not visible for whatever 1092 sl << uint8 (5) << uint8 (stat_hp);
1154 * reason. Still may need to send the head for this space.
1155 */
1156 1093
1157 oldlen = sl.length (); 1094 if (stat_width > 1)
1158
1159 sl << uint16 (mask);
1160
1161 if (lastcell.count != -1)
1162 need_send = 1;
1163
1164 count = -1;
1165
1166 /* properly clear a previously sent big face */
1167 if (lastcell.faces[0] || lastcell.faces[1] || lastcell.faces[2]
1168 || lastcell.stat_hp || lastcell.flags || lastcell.player)
1169 need_send = 1;
1170
1171 map_clearcell (&lastcell, count);
1172
1173 if ((mask & 0xf) || need_send)
1174 sl[oldlen + 1] = mask & 0xff;
1175 else
1176 sl.reset (oldlen);
1177 }
1178 else
1179 {
1180 /* In this block, the space is visible.
1181 */
1182
1183 /* Rather than try to figure out what everything that we might
1184 * need to send is, then form the packet after that,
1185 * we presume that we will in fact form a packet, and update
1186 * the bits by what we do actually send. If we send nothing,
1187 * we just back out sl.length () to the old value, and no harm
1188 * is done.
1189 * I think this is simpler than doing a bunch of checks to see
1190 * what if anything we need to send, setting the bits, then
1191 * doing those checks again to add the real data.
1192 */
1193 oldlen = sl.length ();
1194 eoldlen = esl.length ();
1195
1196 sl << uint16 (mask);
1197
1198 unsigned char dummy;
1199 unsigned char *last_ext = &dummy;
1200
1201 /* Darkness changed */
1202 if (lastcell.count != d && socket.darkness)
1203 { 1095 {
1204 mask |= 0x8;
1205
1206 if (socket.extmap)
1207 {
1208 *last_ext |= 0x80; 1096 *last_ext |= 0x80;
1209 last_ext = &sl[sl.length ()]; 1097 last_ext = &sl[sl.length ()];
1210 sl << uint8 (d); 1098
1211 } 1099 sl << uint8 (6) << uint8 (stat_width);
1212 else
1213 sl << uint8 (255 - 64 * d);
1214 } 1100 }
1101 }
1215 1102
1216 lastcell.count = d; 1103 if (expect_false (lastcell.player != player))
1217
1218 mapspace &ms = m->at (nx, ny);
1219
1220 if (socket.extmap)
1221 { 1104 {
1222 uint8 stat_hp = 0; 1105 lastcell.player = player;
1223 uint8 stat_width = 0;
1224 uint8 flags = 0;
1225 tag_t player = 0;
1226 1106
1227 // send hp information, if applicable
1228 if (object *op = ms.faces_obj [0])
1229 {
1230 if (op->head || op->invisible)
1231 ; // do not show
1232 else if (op->type == PLAYER
1233 || QUERY_FLAG (op, FLAG_MONSTER) || QUERY_FLAG (op, FLAG_ALIVE) || QUERY_FLAG (op, FLAG_GENERATOR))
1234 {
1235 if (op->stats.maxhp > 0 && (unsigned) op->stats.maxhp > (unsigned) op->stats.hp)
1236 {
1237 stat_hp = 255 - (op->stats.hp * 255 + 254) / op->stats.maxhp;
1238 stat_width = op->arch->max_x - op->arch->x; //TODO: should be upper-left edge
1239 }
1240 }
1241
1242 if (op->msg && op->msg[0] == '@')
1243 flags |= 1;
1244
1245 if (op->type == PLAYER && op != ob)
1246 player = op->count;
1247 }
1248
1249 if (lastcell.stat_hp != stat_hp)
1250 {
1251 lastcell.stat_hp = stat_hp;
1252
1253 mask |= 0x8; 1107 mask |= 0x8;
1254 *last_ext |= 0x80; 1108 *last_ext |= 0x80;
1255 last_ext = &sl[sl.length ()]; 1109 last_ext = &sl[sl.length ()];
1256 1110
1257 sl << uint8 (5) << uint8 (stat_hp);
1258
1259 if (stat_width > 1)
1260 {
1261 *last_ext |= 0x80;
1262 last_ext = &sl[sl.length ()];
1263
1264 sl << uint8 (6) << uint8 (stat_width);
1265 }
1266 }
1267
1268 if (lastcell.player != player)
1269 {
1270 lastcell.player = player;
1271
1272 mask |= 0x8;
1273 *last_ext |= 0x80;
1274 last_ext = &sl[sl.length ()];
1275
1276 sl << uint8 (0x47) << uint8 (4) << (uint32)player; 1111 sl << uint8 (0x47) << uint8 (4) << (uint32)player;
1277 } 1112 }
1278 1113
1279 if (lastcell.flags != flags) 1114 if (expect_false (lastcell.flags != flags))
1280 { 1115 {
1281 lastcell.flags = flags; 1116 lastcell.flags = flags;
1282 1117
1283 mask |= 0x8; 1118 mask |= 0x8;
1284 *last_ext |= 0x80; 1119 *last_ext |= 0x80;
1285 last_ext = &sl[sl.length ()]; 1120 last_ext = &sl[sl.length ()];
1286 1121
1287 sl << uint8 (8) << uint8 (flags); 1122 sl << uint8 (8) << uint8 (flags);
1288 }
1289 } 1123 }
1290 1124
1125 // faces
1126
1291 /* Floor face */ 1127 /* Floor face */
1292 if (update_space (sl, socket, ms, lastcell, 2)) 1128 if (update_space (sl, socket, ms, lastcell, 2))
1293 mask |= 0x4; 1129 mask |= 0x4;
1294 1130
1295 /* Middle face */ 1131 /* Middle face */
1296 if (update_space (sl, socket, ms, lastcell, 1)) 1132 if (update_space (sl, socket, ms, lastcell, 1))
1297 mask |= 0x2; 1133 mask |= 0x2;
1298 1134
1135 if (expect_false (ob->invisible)
1136 && ob->invisible & (ob->invisible < 50 ? 1 : 7)
1299 if (ms.player () == ob 1137 && ms.player () == ob)
1300 && (ob->invisible & (ob->invisible < 50 ? 1 : 7)))
1301 { 1138 {
1302 // force player to be visible to himself if invisible 1139 // force player to be visible to himself if invisible
1303 if (lastcell.faces[0] != ob->face) 1140 if (lastcell.faces[0] != ob->face)
1304 { 1141 {
1305 lastcell.faces[0] = ob->face; 1142 lastcell.faces[0] = ob->face;
1306 1143
1307 mask |= 0x1;
1308 sl << uint16 (ob->face);
1309
1310 socket.send_faces (ob);
1311 }
1312 }
1313 /* Top face */
1314 else if (update_space (sl, socket, ms, lastcell, 0))
1315 mask |= 0x1; 1144 mask |= 0x1;
1145 sl << uint16 (ob->face);
1316 1146
1147 socket.send_faces (ob);
1148 }
1149 }
1150 /* Top face */
1151 else if (update_space (sl, socket, ms, lastcell, 0))
1152 mask |= 0x1;
1153
1317 /* Check to see if we are in fact sending anything for this 1154 /* Check to see if we are in fact sending anything for this
1318 * space by checking the mask. If so, update the mask. 1155 * space by checking the mask. If so, update the mask.
1319 * if not, reset the len to that from before adding the mask 1156 * if not, reset the len to that from before adding the mask
1320 * value, so we don't send those bits. 1157 * value, so we don't send those bits.
1321 */ 1158 */
1322 if (mask & 0xf) 1159 if (mask & 0xf)
1323 sl[oldlen + 1] = mask & 0xff; 1160 sl[oldlen + 1] = mask & 0xff;
1324 else 1161 else
1325 sl.reset (oldlen); 1162 sl.reset (oldlen);
1326
1327 if (socket.ext_mapinfos)
1328 esl << uint16 (emask);
1329
1330 if (socket.EMI_smooth)
1331 {
1332 for (int layer = 2+1; layer--; )
1333 {
1334 object *ob = ms.faces_obj [layer];
1335
1336 // If there is no object for this space, or if the face for the object
1337 // is the blank face, set the smoothlevel to zero.
1338 int smoothlevel = ob && ob->face != blank_face ? ob->smoothlevel : 0;
1339
1340 // We've gotten what face we want to use for the object. Now see if
1341 // if it has changed since we last sent it to the client.
1342 if (lastcell.smooth[layer] != smoothlevel)
1343 {
1344 lastcell.smooth[layer] = smoothlevel;
1345 esl << uint8 (smoothlevel);
1346 emask |= 1 << layer;
1347 }
1348 }
1349
1350 if (emask & 0xf)
1351 esl[eoldlen + 1] = emask & 0xff;
1352 else
1353 esl.reset (eoldlen);
1354 }
1355 } /* else this is a viewable space */ 1163 } /* else this is a viewable space */
1356 } /* for x loop */ 1164 ordered_mapwalk_end
1357 } /* for y loop */
1358 1165
1359 socket.flush_fx (); 1166 socket.flush_fx ();
1360
1361 /* Verify that we in fact do need to send this */
1362 if (socket.ext_mapinfos)
1363 {
1364 if (!(sl.length () > startlen || socket.sent_scroll))
1365 {
1366 /* No map data will follow, so don't say the client
1367 * it doesn't need draw!
1368 */
1369 ewhatflag &= ~EMI_NOREDRAW;
1370 esl[ewhatstart + 1] = ewhatflag & 0xff;
1371 }
1372
1373 if (esl.length () > estartlen)
1374 socket.send_packet (esl);
1375 }
1376 1167
1377 if (sl.length () > startlen || socket.sent_scroll) 1168 if (sl.length () > startlen || socket.sent_scroll)
1378 { 1169 {
1379 socket.send_packet (sl); 1170 socket.send_packet (sl);
1380 socket.sent_scroll = 0; 1171 socket.sent_scroll = 0;
1381 } 1172 }
1382} 1173}
1383 1174
1384/*****************************************************************************/
1385/* GROS: The following one is used to allow a plugin to send a generic cmd to*/
1386/* a player. Of course, the client need to know the command to be able to */
1387/* manage it ! */
1388/*****************************************************************************/
1389void
1390send_plugin_custom_message (object *pl, char *buf)
1391{
1392 pl->contr->ns->send_packet (buf);
1393}
1394
1395/**
1396 * This sends the skill number to name mapping. We ignore
1397 * the params - we always send the same info no matter what.
1398 */
1399void
1400send_skill_info (client *ns, char *params)
1401{
1402 packet sl;
1403 sl << "replyinfo skill_info\n";
1404
1405 for (int i = 1; i < NUM_SKILLS; i++)
1406 sl.printf ("%d:%s\n", i + CS_STAT_SKILLINFO, &skill_names[i]);
1407
1408 if (sl.length () >= MAXSOCKBUF)
1409 {
1410 LOG (llevError, "Buffer overflow in send_skill_info!\n");
1411 fatal (0);
1412 }
1413
1414 ns->send_packet (sl);
1415}
1416
1417/**
1418 * This sends the spell path to name mapping. We ignore
1419 * the params - we always send the same info no matter what.
1420 */
1421void
1422send_spell_paths (client * ns, char *params)
1423{
1424 packet sl;
1425
1426 sl << "replyinfo spell_paths\n";
1427
1428 for (int i = 0; i < NRSPELLPATHS; i++)
1429 sl.printf ("%d:%s\n", 1 << i, spellpathnames[i]);
1430
1431 if (sl.length () >= MAXSOCKBUF)
1432 {
1433 LOG (llevError, "Buffer overflow in send_spell_paths!\n");
1434 fatal (0);
1435 }
1436
1437 ns->send_packet (sl);
1438}
1439
1440/** 1175/**
1441 * This looks for any spells the player may have that have changed their stats. 1176 * This looks for any spells the player may have that have changed their stats.
1442 * it then sends an updspell packet for each spell that has changed in this way 1177 * it then sends an updspell packet for each spell that has changed in this way
1443 */ 1178 */
1444void 1179void
1445esrv_update_spells (player *pl) 1180esrv_update_spells (player *pl)
1446{ 1181{
1447 if (!pl->ns) 1182 if (!pl->ns)
1448 return; 1183 return;
1449 1184
1185 pl->ns->update_spells = false;
1186
1450 if (!pl->ns->monitor_spells) 1187 if (!pl->ns->monitor_spells)
1451 return; 1188 return;
1452 1189
1453 for (object *spell = pl->ob->inv; spell; spell = spell->below) 1190 for (object *spell = pl->ob->inv; spell; spell = spell->below)
1454 {
1455 if (spell->type == SPELL) 1191 if (spell->type == SPELL)
1456 { 1192 {
1457 int flags = 0; 1193 int flags = 0;
1194 int val;
1458 1195
1459 /* check if we need to update it */ 1196 /* check if we need to update it */
1460 if (spell->last_sp != SP_level_spellpoint_cost (pl->ob, spell, SPELL_MANA)) 1197 val = SP_level_spellpoint_cost (pl->ob, spell, SPELL_MANA);
1198 if (spell->cached_sp != val)
1461 { 1199 {
1462 spell->last_sp = SP_level_spellpoint_cost (pl->ob, spell, SPELL_MANA); 1200 spell->cached_sp = val;
1463 flags |= UPD_SP_MANA; 1201 flags |= UPD_SP_MANA;
1464 } 1202 }
1465 1203
1466 if (spell->last_grace != SP_level_spellpoint_cost (pl->ob, spell, SPELL_GRACE)) 1204 val = SP_level_spellpoint_cost (pl->ob, spell, SPELL_GRACE);
1205 if (spell->cached_grace != val)
1467 { 1206 {
1468 spell->last_grace = SP_level_spellpoint_cost (pl->ob, spell, SPELL_GRACE); 1207 spell->cached_grace = val;
1469 flags |= UPD_SP_GRACE; 1208 flags |= UPD_SP_GRACE;
1470 } 1209 }
1471 1210
1472 if (spell->last_eat != spell->stats.dam + SP_level_dam_adjust (pl->ob, spell)) 1211 val = casting_level (pl->ob, spell);
1212 if (spell->cached_eat != val)
1473 { 1213 {
1474 spell->last_eat = spell->stats.dam + SP_level_dam_adjust (pl->ob, spell); 1214 spell->cached_eat = val;
1475 flags |= UPD_SP_DAMAGE; 1215 flags |= UPD_SP_LEVEL;
1476 } 1216 }
1477 1217
1478 if (flags) 1218 if (flags)
1479 { 1219 {
1480 packet sl; 1220 packet sl;
1481 1221
1482 sl << "updspell " 1222 sl << "updspell "
1483 << uint8 (flags) 1223 << uint8 (flags)
1484 << uint32 (spell->count); 1224 << uint32 (spell->count);
1485 1225
1486 if (flags & UPD_SP_MANA ) sl << uint16 (spell->last_sp); 1226 if (flags & UPD_SP_MANA ) sl << uint16 (spell->cached_sp);
1487 if (flags & UPD_SP_GRACE ) sl << uint16 (spell->last_grace); 1227 if (flags & UPD_SP_GRACE) sl << uint16 (spell->cached_grace);
1488 if (flags & UPD_SP_DAMAGE) sl << uint16 (spell->last_eat); 1228 if (flags & UPD_SP_LEVEL) sl << uint16 (spell->cached_eat);
1489 1229
1490 pl->ns->send_packet (sl); 1230 pl->ns->send_packet (sl);
1491 } 1231 }
1492 } 1232 }
1493 }
1494} 1233}
1495 1234
1496void 1235void
1497esrv_remove_spell (player *pl, object *spell) 1236esrv_remove_spell (player *pl, object *spell)
1498{ 1237{
1523 LOG (llevError, "item number %d is a spell with no name.\n", spell->count); 1262 LOG (llevError, "item number %d is a spell with no name.\n", spell->count);
1524 return; 1263 return;
1525 } 1264 }
1526 1265
1527 /* store costs and damage in the object struct, to compare to later */ 1266 /* store costs and damage in the object struct, to compare to later */
1528 spell->last_sp = SP_level_spellpoint_cost (pl->ob, spell, SPELL_MANA); 1267 spell->cached_sp = SP_level_spellpoint_cost (pl->ob, spell, SPELL_MANA);
1529 spell->last_grace = SP_level_spellpoint_cost (pl->ob, spell, SPELL_GRACE); 1268 spell->cached_grace = SP_level_spellpoint_cost (pl->ob, spell, SPELL_GRACE);
1530 spell->last_eat = spell->stats.dam + SP_level_dam_adjust (pl->ob, spell); 1269 spell->cached_eat = casting_level (pl->ob, spell);
1531 1270
1532 /* figure out which skill it uses, if it uses one */ 1271 /* figure out which skill it uses, if it uses one */
1533 if (spell->skill) 1272 if (spell->skill)
1534 { 1273 if (object *tmp = pl->find_skill (spell->skill))
1535 for (i = 1; i < NUM_SKILLS; i++)
1536 if (!strcmp (spell->skill, skill_names[i]))
1537 {
1538 skill = i + CS_STAT_SKILLINFO; 1274 skill = tmp->subtype + CS_STAT_SKILLINFO;
1539 break;
1540 }
1541 }
1542 1275
1543 // spells better have a face 1276 // spells better have a face
1544 if (!spell->face) 1277 if (!spell->face)
1545 { 1278 {
1546 LOG (llevError, "%s: spell has no face, but face is mandatory.\n", &spell->name); 1279 LOG (llevError, "%s: spell has no face, but face is mandatory.\n", &spell->name);
1547 spell->face = face_find ("burnout.x11", blank_face); 1280 spell->face = face_find ("burnout.x11", blank_face);
1548 } 1281 }
1282
1283 pl->ns->send_face (spell->face);
1549 1284
1550 /* send the current values */ 1285 /* send the current values */
1551 sl << uint32 (spell->count) 1286 sl << uint32 (spell->count)
1552 << uint16 (spell->level) 1287 << uint16 (spell->level)
1553 << uint16 (spell->casting_time) 1288 << uint16 (spell->casting_time)
1554 << uint16 (spell->last_sp) 1289 << uint16 (spell->cached_sp)
1555 << uint16 (spell->last_grace) 1290 << uint16 (spell->cached_grace)
1556 << uint16 (spell->last_eat) 1291 << uint16 (spell->cached_eat)
1557 << uint8 (skill) 1292 << uint8 (skill)
1558 << uint32 (spell->path_attuned) 1293 << uint32 (spell->path_attuned)
1559 << uint32 (spell->face) 1294 << uint32 (spell->face)
1560 << data8 (spell->name) 1295 << data8 (spell->name)
1561 << data16 (spell->msg); 1296 << data16 (spell->msg);
1589 * bytes and 3 strings (because that is the spec) so we need to 1324 * bytes and 3 strings (because that is the spec) so we need to
1590 * check that the length of those 3 strings, plus the 23 bytes, 1325 * check that the length of those 3 strings, plus the 23 bytes,
1591 * won't take us over the length limit for the socket, if it does, 1326 * won't take us over the length limit for the socket, if it does,
1592 * we need to send what we already have, and restart packet formation 1327 * we need to send what we already have, and restart packet formation
1593 */ 1328 */
1329 if (spell->type != SPELL)
1330 continue;
1331
1594 /* Seeing crashes by overflowed buffers. Quick arithemetic seems 1332 /* Seeing crashes by overflowed buffers. Quick arithemetic seems
1595 * to show add_spell is 26 bytes + 2 strings. However, the overun 1333 * to show add_spell is 26 bytes + 2 strings. However, the overun
1596 * is hundreds of bytes off, so correcting 22 vs 26 doesn't seem 1334 * is hundreds of bytes off, so correcting 22 vs 26 doesn't seem
1597 * like it will fix this 1335 * like it will fix this
1598 */ 1336 */
1599 if (spell->type != SPELL)
1600 continue;
1601
1602 if (sl.length () >= (MAXSOCKBUF - (26 + strlen (spell->name) + (spell->msg ? strlen (spell->msg) : 0)))) 1337 if (sl.length () > (MAXSOCKBUF - (26 + strlen (spell->name) + (spell->msg ? strlen (spell->msg) : 0))))
1603 { 1338 {
1339 pl->ns->flush_fx ();
1604 pl->ns->send_packet (sl); 1340 pl->ns->send_packet (sl);
1605 1341
1606 sl.reset (); 1342 sl.reset ();
1607 sl << "addspell "; 1343 sl << "addspell ";
1608 } 1344 }
1616 return; 1352 return;
1617 } 1353 }
1618 else 1354 else
1619 append_spell (pl, sl, spell); 1355 append_spell (pl, sl, spell);
1620 1356
1621 if (sl.length () >= MAXSOCKBUF) 1357 if (sl.length () > MAXSOCKBUF)
1622 { 1358 {
1623 LOG (llevError, "Buffer overflow in esrv_add_spells!\n"); 1359 LOG (llevError, "Buffer overflow in esrv_add_spells!\n");
1624 fatal (0); 1360 fatal (0);
1625 } 1361 }
1626 1362
1627 /* finally, we can send the packet */ 1363 /* finally, we can send the packet */
1364 pl->ns->flush_fx ();
1628 pl->ns->send_packet (sl); 1365 pl->ns->send_packet (sl);
1629} 1366}
1630 1367
1368//-GPL
1369

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