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Comparing deliantra/server/socket/request.C (file contents):
Revision 1.115 by root, Wed Jul 11 15:57:31 2007 UTC vs.
Revision 1.147 by root, Sat Dec 27 08:41:44 2008 UTC

1/* 1/*
2 * This file is part of Crossfire TRT, the Roguelike Realtime MORPG. 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 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
5 * Copyright (©) 2001,2007 Mark Wedel 5 * Copyright (©) 2001,2007 Mark Wedel
6 * Copyright (©) 1992,2007 Frank Tore Johansen 6 * Copyright (©) 1992,2007 Frank Tore Johansen
7 * 7 *
8 * Crossfire TRT is free software: you can redistribute it and/or modify 8 * Deliantra is free software: you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by 9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation, either version 3 of the License, or 10 * the Free Software Foundation, either version 3 of the License, or
11 * (at your option) any later version. 11 * (at your option) any later version.
12 * 12 *
13 * This program is distributed in the hope that it will be useful, 13 * This program is distributed in the hope that it will be useful,
16 * GNU General Public License 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 18 * You should have received a copy of the GNU General Public License
19 * along with this program. If not, see <http://www.gnu.org/licenses/>. 19 * along with this program. If not, see <http://www.gnu.org/licenses/>.
20 * 20 *
21 * The authors can be reached via e-mail to <crossfire@schmorp.de> 21 * The authors can be reached via e-mail to <support@deliantra.net>
22 */ 22 */
23 23
24/** 24/**
25 * \file 25 * \file
26 * Client handling. 26 * Client handling.
98 */ 98 */
99 mx = ns->mapx; 99 mx = ns->mapx;
100 my = ns->mapy; 100 my = ns->mapy;
101 101
102 /* the x and y here are coordinates for the new map, i.e. if we moved 102 /* the x and y here are coordinates for the new map, i.e. if we moved
103 * (dx,dy), newmap[x][y] = oldmap[x-dx][y-dy]. For this reason, 103 * (dx,dy), newmap[x][y] = oldmap[x-dx][y-dy]. For this reason,
104 * if the destination x or y coordinate is outside the viewable 104 * if the destination x or y coordinate is outside the viewable
105 * area, we clear the values - otherwise, the old values 105 * area, we clear the values - otherwise, the old values
106 * are preserved, and the check_head thinks it needs to clear them. 106 * are preserved, and the check_head thinks it needs to clear them.
107 */ 107 */
108 for (x = 0; x < mx; x++) 108 for (x = 0; x < mx; x++)
109 {
110 for (y = 0; y < my; y++) 109 for (y = 0; y < my; y++)
111 {
112 if (x >= ns->mapx || y >= ns->mapy) 110 if (x >= ns->mapx || y >= ns->mapy)
113 /* clear cells outside the viewable area */ 111 /* clear cells outside the viewable area */
114 memset (&newmap.cells[x][y], 0, sizeof (struct MapCell)); 112 memset (&newmap.cells[x][y], 0, sizeof (struct MapCell));
115 else if ((x + dx) < 0 || (x + dx) >= ns->mapx || (y + dy) < 0 || (y + dy) >= ns->mapy) 113 else if ((x + dx) < 0 || (x + dx) >= ns->mapx || (y + dy) < 0 || (y + dy) >= ns->mapy)
116 /* clear newly visible tiles within the viewable area */ 114 /* clear newly visible tiles within the viewable area */
117 memset (&(newmap.cells[x][y]), 0, sizeof (struct MapCell)); 115 memset (&(newmap.cells[x][y]), 0, sizeof (struct MapCell));
118 else 116 else
119 memcpy (&(newmap.cells[x][y]), &(ns->lastmap.cells[x + dx][y + dy]), sizeof (struct MapCell)); 117 memcpy (&(newmap.cells[x][y]), &(ns->lastmap.cells[x + dx][y + dy]), sizeof (struct MapCell));
120 }
121 }
122 118
123 memcpy (&(ns->lastmap), &newmap, sizeof (struct Map)); 119 memcpy (&(ns->lastmap), &newmap, sizeof (struct Map));
124 120
125 /* Make sure that the next "map1" command will be sent (even if it is 121 /* Make sure that the next "map1" command will be sent (even if it is
126 * empty). 122 * empty).
129} 125}
130 126
131static void 127static void
132clear_map (player *pl) 128clear_map (player *pl)
133{ 129{
130 pl->ns->mapinfo_queue_clear ();
131
134 memset (&pl->ns->lastmap, 0, sizeof (pl->ns->lastmap)); 132 memset (&pl->ns->lastmap, 0, sizeof (pl->ns->lastmap));
135 133
136 pl->ns->force_newmap = false; 134 pl->ns->force_newmap = false;
137 135
138 if (pl->ns->newmapcmd == 1) 136 if (pl->ns->newmapcmd == 1)
139 pl->ns->send_packet ("newmap"); 137 pl->ns->send_packet ("newmap");
140 138
141 pl->ns->floorbox_reset (); 139 pl->ns->floorbox_reset ();
140}
141
142static void
143send_map_info (player *pl)
144{
145 client &socket = *pl->ns;
146 object *ob = pl->observe;
147
148 if (socket.mapinfocmd)
149 {
150 if (ob->map && ob->map->path[0])
151 {
152 int flags = 0;
153
154 if (ob->map->tile_path[0]) flags |= 1;
155 if (ob->map->tile_path[1]) flags |= 2;
156 if (ob->map->tile_path[2]) flags |= 4;
157 if (ob->map->tile_path[3]) flags |= 8;
158
159 socket.send_packet_printf ("mapinfo - spatial %d %d %d %d %d %s",
160 flags, socket.mapx / 2 - ob->x, socket.mapy / 2 - ob->y,
161 ob->map->width, ob->map->height, &ob->map->path);
162 }
163 else
164 socket.send_packet ("mapinfo current");
165 }
142} 166}
143 167
144/** check for map/region change and send new map data */ 168/** check for map/region change and send new map data */
145static void 169static void
146check_map_change (player *pl) 170check_map_change (player *pl)
147{ 171{
148 client &socket = *pl->ns; 172 client &socket = *pl->ns;
149 object *ob = pl->observe; 173 object *ob = pl->observe;
150 174
175 region *reg = ob->region ();
176 if (socket.current_region != reg)
177 {
178 INVOKE_PLAYER (REGION_CHANGE, pl, ARG_REGION (reg), ARG_REGION (socket.current_region));
179 socket.current_region = reg;
180 }
181
182 // first try to aovid a full newmap on tiled map scrolls
183 if (socket.current_map != ob->map && !socket.force_newmap)
184 {
185 rv_vector rv;
186
187 get_rangevector_from_mapcoord (socket.current_map, socket.current_x, socket.current_y, ob, &rv, 0);
188
189 // manhattan distance is very handy here
190 if (rv.distance < 8) // 8 works nicely for speed << 70 and buggy gcfclient
191 {
192 socket.current_map = ob->map;
193 socket.current_x = ob->x;
194 socket.current_y = ob->y;
195
196 socket_map_scroll (&socket, rv.distance_x, rv.distance_y);
197 socket.floorbox_reset ();
198 send_map_info (pl);
199 }
200 }
201
151 if (socket.current_map != ob->map || socket.force_newmap) 202 if (socket.current_map != ob->map || socket.force_newmap)
152 { 203 {
153 clear_map (pl); 204 clear_map (pl);
154 socket.current_map = ob->map; 205 socket.current_map = ob->map;
155 206 send_map_info (pl);
156 if (socket.mapinfocmd)
157 {
158 if (ob->map && ob->map->path[0])
159 {
160 int flags = 0;
161
162 if (ob->map->tile_path[0]) flags |= 1;
163 if (ob->map->tile_path[1]) flags |= 2;
164 if (ob->map->tile_path[2]) flags |= 4;
165 if (ob->map->tile_path[3]) flags |= 8;
166
167 socket.send_packet_printf ("mapinfo - spatial %d %d %d %d %d %s",
168 flags, socket.mapx / 2 - ob->x, socket.mapy / 2 - ob->y,
169 ob->map->width, ob->map->height, &ob->map->path);
170 }
171 else
172 socket.send_packet ("mapinfo current");
173 }
174 } 207 }
175 else if (socket.current_x != ob->x || socket.current_y != ob->y) 208 else if (socket.current_x != ob->x || socket.current_y != ob->y)
176 { 209 {
177 int dx = ob->x - socket.current_x; 210 int dx = ob->x - socket.current_x;
178 int dy = ob->y - socket.current_y; 211 int dy = ob->y - socket.current_y;
179 212
180 if (socket.buggy_mapscroll && (abs (dx) > 8 || abs (dy) > 8))
181 clear_map (pl); // current (<= 1.9.1) clients have unchecked buffer overflows
182 else
183 {
184 socket_map_scroll (&socket, ob->x - socket.current_x, ob->y - socket.current_y); 213 socket_map_scroll (&socket, ob->x - socket.current_x, ob->y - socket.current_y);
185 socket.floorbox_reset (); 214 socket.floorbox_reset ();
186 }
187 } 215 }
188 216
189 socket.current_x = ob->x; 217 socket.current_x = ob->x;
190 socket.current_y = ob->y; 218 socket.current_y = ob->y;
191
192 region *reg = ob->region ();
193 if (socket.current_region != reg)
194 {
195 INVOKE_PLAYER (REGION_CHANGE, pl, ARG_REGION (reg), ARG_REGION (socket.current_region));
196 socket.current_region = reg;
197 }
198} 219}
199 220
200/** 221/**
201 * RequestInfo is sort of a meta command. There is some specific 222 * RequestInfo is sort of a meta command. There is some specific
202 * request of information, but we call other functions to provide 223 * request of information, but we call other functions to provide
246{ 267{
247 INVOKE_CLIENT (EXTICMD, ns, ARG_DATA (buf, len)); 268 INVOKE_CLIENT (EXTICMD, ns, ARG_DATA (buf, len));
248} 269}
249 270
250void 271void
272client::mapinfo_queue_clear ()
273{
274 for (auto (i, mapinfo_queue.begin ()); i != mapinfo_queue.end (); ++i)
275 free (*i);
276
277 mapinfo_queue.clear ();
278}
279
280bool
281client::mapinfo_try (char *buf)
282{
283 char *token = buf;
284 buf += strlen (buf) + 9;
285
286 // initial map and its origin
287 maptile *map = pl->observe->map;
288 int mapx = pl->ns->mapx / 2 - pl->observe->x;
289 int mapy = pl->ns->mapy / 2 - pl->observe->y;
290 int max_distance = 8; // limit maximum path length to something generous
291
292 while (*buf && map && max_distance)
293 {
294 int dir = *buf++ - '1';
295
296 if (dir >= 0 && dir <= 3)
297 {
298 if (!map->tile_path [dir])
299 map = 0;
300 else if (map->tile_available (dir, false))
301 {
302 maptile *neigh = map->tile_map [dir];
303
304 switch (dir)
305 {
306 case 0: mapy -= neigh->height; break;
307 case 2: mapy += map ->height; break;
308 case 3: mapx -= neigh->width ; break;
309 case 1: mapx += map ->width ; break;
310 }
311
312 map = neigh;
313 --max_distance;
314 }
315 else
316 return 0;
317 }
318 else
319 max_distance = 0;
320 }
321
322 if (!max_distance)
323 send_packet_printf ("mapinfo %s error", token);
324 else if (!map || !map->path)
325 send_packet_printf ("mapinfo %s nomap", token);
326 else
327 {
328 int flags = 0;
329
330 if (map->tile_path[0]) flags |= 1;
331 if (map->tile_path[1]) flags |= 2;
332 if (map->tile_path[2]) flags |= 4;
333 if (map->tile_path[3]) flags |= 8;
334
335 send_packet_printf ("mapinfo %s spatial %d %d %d %d %d %s", token, flags, mapx, mapy, map->width, map->height, &map->path);
336 }
337
338 return 1;
339}
340
341void
342client::mapinfo_queue_run ()
343{
344 if (mapinfo_queue.empty () || !pl)
345 return;
346
347 for (int i = 0; i < mapinfo_queue.size (); ++i)
348 if (mapinfo_try (mapinfo_queue [i]))
349 {
350 free (mapinfo_queue [i]);
351 mapinfo_queue.erase (i);
352 }
353 else
354 ++i;
355}
356
357void
251MapInfoCmd (char *buf, int len, player *pl) 358MapInfoCmd (char *buf, int len, player *pl)
252{ 359{
253 // <mapinfo tag spatial tile-path 360 // <mapinfo tag spatial tile-path
254 // >mapinfo tag spatial flags x y w h hash 361 // >mapinfo tag spatial flags x y w h hash
255 362
256 char bigbuf[MAX_BUF], *token;
257
258 token = buf; 363 char *token = buf;
259 // copy token 364
260 if (!(buf = strchr (buf, ' '))) 365 if (!(buf = strchr (buf, ' ')))
261 return; 366 return;
262 367
263 *buf++ = 0;
264
265 if (!strncmp (buf, "spatial ", 8)) 368 if (!strncmp (buf, " spatial ", 9))
266 { 369 {
267 buf += 8; 370 char *copy = strdup (token);
371 copy [buf - token] = 0;
268 372
269 // initial map and its origin 373#if 0
270 maptile *map = pl->ob->map; 374 // this makes only sense when we flush the buffer immediately
271 sint16 dx, dy; 375 if (pl->ns->mapinfo_try (copy))
272 int mapx = pl->ns->mapx / 2 - pl->ob->x; 376 free (copy);
273 int mapy = pl->ns->mapy / 2 - pl->ob->y;
274 int max_distance = 8; // limit maximum path length to something generous
275
276 while (*buf && map && max_distance)
277 {
278 int dir = *buf++;
279
280 switch (dir)
281 {
282 case '1':
283 dx = 0;
284 dy = -1;
285 map = map->xy_find (dx, dy);
286 map && (mapy -= map->height);
287 break;
288 case '2':
289 mapx += map->width;
290 dx = map->width;
291 dy = 0;
292 map = map->xy_find (dx, dy);
293 break;
294 case '3':
295 mapy += map->height;
296 dx = 0;
297 dy = map->height;
298 map = map->xy_find (dx, dy);
299 break;
300 case '4':
301 dx = -1;
302 dy = 0;
303 map = map->xy_find (dx, dy);
304 map && (mapx -= map->width);
305 break;
306 }
307
308 --max_distance;
309 }
310
311 if (!max_distance)
312 snprintf (bigbuf, MAX_BUF, "mapinfo %s error", token);
313 else if (map && map->path[0])
314 {
315 int flags = 0;
316
317 if (map->tile_path[0]) flags |= 1;
318 if (map->tile_path[1]) flags |= 2;
319 if (map->tile_path[2]) flags |= 4;
320 if (map->tile_path[3]) flags |= 8;
321
322 snprintf (bigbuf, MAX_BUF, "mapinfo %s spatial %d %d %d %d %d %s", token, flags, mapx, mapy, map->width, map->height, &map->path);
323 }
324 else 377 else
325 snprintf (bigbuf, MAX_BUF, "mapinfo %s nomap", token); 378#endif
379 pl->ns->mapinfo_queue.push_back (copy);
326 } 380 }
327 else 381 else
328 snprintf (bigbuf, MAX_BUF, "mapinfo %s unsupported", token); 382 pl->ns->send_packet_printf ("mapinfo %s unsupported", token);
329
330 pl->ns->send_packet (bigbuf);
331} 383}
332 384
333/** This is the Setup cmd */ 385/** This is the Setup cmd */
334void 386void
335SetUp (char *buf, int len, client * ns) 387SetUp (char *buf, int len, client * ns)
345 */ 397 */
346void 398void
347AddMeCmd (char *buf, int len, client *ns) 399AddMeCmd (char *buf, int len, client *ns)
348{ 400{
349 INVOKE_CLIENT (ADDME, ns, ARG_DATA (buf, len)); 401 INVOKE_CLIENT (ADDME, ns, ARG_DATA (buf, len));
350}
351
352/** Reply to ExtendedInfos command */
353void
354ToggleExtendedInfos (char *buf, int len, client * ns)
355{
356 char cmdback[MAX_BUF];
357 char command[50];
358 int info, nextinfo;
359
360 cmdback[0] = '\0';
361 nextinfo = 0;
362
363 while (1)
364 {
365 /* 1. Extract an info */
366 info = nextinfo;
367
368 while ((info < len) && (buf[info] == ' '))
369 info++;
370
371 if (info >= len)
372 break;
373
374 nextinfo = info + 1;
375
376 while ((nextinfo < len) && (buf[nextinfo] != ' '))
377 nextinfo++;
378
379 if (nextinfo - info >= 49) /*Erroneous info asked */
380 continue;
381
382 strncpy (command, &(buf[info]), nextinfo - info);
383
384 /* 2. Interpret info */
385 if (!strcmp ("smooth", command))
386 /* Toggle smoothing */
387 ns->EMI_smooth = !ns->EMI_smooth;
388 else
389 /*bad value */;
390
391 /*3. Next info */
392 }
393
394 strcpy (cmdback, "ExtendedInfoSet");
395
396 if (ns->EMI_smooth)
397 {
398 strcat (cmdback, " ");
399 strcat (cmdback, "smoothing");
400 }
401
402 ns->send_packet (cmdback);
403} 402}
404 403
405/* 404/*
406#define MSG_TYPE_BOOK 1 405#define MSG_TYPE_BOOK 1
407#define MSG_TYPE_CARD 2 406#define MSG_TYPE_CARD 2
653 * syntax is: move (to) (tag) (nrof) 652 * syntax is: move (to) (tag) (nrof)
654 */ 653 */
655void 654void
656MoveCmd (char *buf, int len, player *pl) 655MoveCmd (char *buf, int len, player *pl)
657{ 656{
658 int vals[3], i; 657 int to, tag, nrof;
659 658
660 /* A little funky here. We only cycle for 2 records, because 659 if (3 != sscanf (buf, "%d %d %d", &to, &tag, &nrof))
661 * we obviously are not going to find a space after the third
662 * record. Perhaps we should just replace this with a
663 * sscanf?
664 */
665 for (i = 0; i < 2; i++)
666 { 660 {
667 vals[i] = atoi (buf);
668
669 if (!(buf = strchr (buf, ' ')))
670 {
671 LOG (llevError, "Incomplete move command: %s\n", buf); 661 LOG (llevError, "Incomplete move command: %s\n", buf);
672 return; 662 return;
673 }
674
675 buf++;
676 } 663 }
677 664
678 vals[2] = atoi (buf); 665 esrv_move_object (pl->ob, to, tag, nrof);
679
680/* LOG(llevDebug,"Move item %d (nrof=%d) to %d.\n", vals[1], vals[2], vals[0]);*/
681 esrv_move_object (pl->ob, vals[0], vals[1], vals[2]);
682} 666}
683 667
684/****************************************************************************** 668/******************************************************************************
685 * 669 *
686 * Start of commands the server sends to the client. 670 * Start of commands the server sends to the client.
787 AddIfShort (ns->last_stats.Wis, ob->stats.Wis, CS_STAT_WIS); 771 AddIfShort (ns->last_stats.Wis, ob->stats.Wis, CS_STAT_WIS);
788 AddIfShort (ns->last_stats.Pow, ob->stats.Pow, CS_STAT_POW); 772 AddIfShort (ns->last_stats.Pow, ob->stats.Pow, CS_STAT_POW);
789 AddIfShort (ns->last_stats.Cha, ob->stats.Cha, CS_STAT_CHA); 773 AddIfShort (ns->last_stats.Cha, ob->stats.Cha, CS_STAT_CHA);
790 774
791 for (int s = 0; s < NUM_SKILLS; s++) 775 for (int s = 0; s < NUM_SKILLS; s++)
792 if (object *skill = opl->last_skill_ob[s]) 776 if (object *skill = opl->last_skill_ob [s])
793 if (skill->stats.exp != ns->last_skill_exp [s]) 777 if (skill->stats.exp != ns->last_skill_exp [s])
794 { 778 {
795 ns->last_skill_exp [s] = skill->stats.exp; 779 ns->last_skill_exp [s] = skill->stats.exp;
796 780
797 /* Always send along the level if exp changes. This is only 781 /* Always send along the level if exp changes. This is only
853 837
854/** 838/**
855 * Tells the client that here is a player it should start using. 839 * Tells the client that here is a player it should start using.
856 */ 840 */
857void 841void
858esrv_new_player (player *pl, uint32 weight) 842esrv_new_player (player *pl)
859{ 843{
844 sint32 weight = pl->ob->client_weight ();
845
860 packet sl ("player"); 846 packet sl ("player");
861 847
862 sl << uint32 (pl->ob->count) 848 sl << uint32 (pl->ob->count)
863 << uint32 (weight) 849 << uint32 (weight)
864 << uint32 (pl->ob->face) 850 << uint32 (pl->ob->face)
865 << data8 (pl->ob->name); 851 << data8 (pl->ob->name);
866 852
867 pl->ns->last_weight = weight; 853 pl->ns->last_weight = weight;
868 pl->ns->send_packet (sl); 854 pl->ns->send_packet (sl);
869 SET_FLAG (pl->ob, FLAG_CLIENT_SENT);
870} 855}
871 856
872/****************************************************************************** 857/******************************************************************************
873 * 858 *
874 * Start of map related commands. 859 * Start of map related commands.
931 916
932 if (!ns.faces_sent[face_num]) 917 if (!ns.faces_sent[face_num])
933 if (ob) 918 if (ob)
934 ns.send_faces (ob); 919 ns.send_faces (ob);
935 else 920 else
936 ns.send_face (face_num); 921 ns.send_face (face_num, 10);
937 922
938 sl << uint16 (face_num); 923 sl << uint16 (face_num);
939 return 1; 924 return 1;
940 } 925 }
941 926
942 /* Nothing changed */ 927 /* Nothing changed */
943 return 0; 928 return 0;
944}
945
946/**
947 * Returns the size of a data for a map square as returned by
948 * mapextended. There are CLIENTMAPX*CLIENTMAPY*LAYERS entries
949 * available.
950 */
951int
952getExtendedMapInfoSize (client * ns)
953{
954 int result = 0;
955
956 if (ns->ext_mapinfos)
957 {
958 if (ns->EMI_smooth)
959 result += 1; /*One byte for smoothlevel */
960 }
961
962 return result;
963} 929}
964 930
965// prefetch (and touch) all maps within a specific distancd 931// prefetch (and touch) all maps within a specific distancd
966static void 932static void
967prefetch_surrounding_maps (maptile *map, int distance) 933prefetch_surrounding_maps (maptile *map, int distance)
968{ 934{
969 map->last_access = runtime; 935 map->touch ();
970 936
971 if (--distance) 937 if (--distance)
972 for (int dir = 4; --dir; ) 938 for (int dir = 4; --dir; )
973 if (const shstr &path = map->tile_path [dir]) 939 if (const shstr &path = map->tile_path [dir])
974 if (maptile *&neigh = map->tile_map [dir]) 940 if (maptile *&neigh = map->tile_map [dir])
992{ 958{
993 object *ob = pl->observe; 959 object *ob = pl->observe;
994 if (!ob->active) 960 if (!ob->active)
995 return; 961 return;
996 962
997 maptile *plmap = ob->map;
998
999 /* If player is just joining the game, he isn't here yet, so the map 963 /* If player is just joining the game, he isn't here yet, so the map
1000 * can get swapped out. If so, don't try to send them a map. All will 964 * can get swapped out. If so, don't try to send them a map. All will
1001 * be OK once they really log in. 965 * be OK once they really log in.
1002 */ 966 */
1003 if (!plmap || plmap->in_memory != MAP_IN_MEMORY) 967 if (!ob->map || ob->map->in_memory != MAP_ACTIVE)
1004 return; 968 return;
1005 969
1006 int x, y, ax, ay, startlen, max_x, max_y, oldlen;
1007 int estartlen, eoldlen; 970 int startlen, oldlen;
1008 uint8 eentrysize;
1009 uint16 ewhatstart, ewhatflag;
1010 uint8 extendedinfos;
1011 971
1012 check_map_change (pl); 972 check_map_change (pl);
1013 prefetch_surrounding_maps (pl->ob); 973 prefetch_surrounding_maps (pl->ob);
1014 974
1015 /* do LOS after calls to update_position */ 975 /* do LOS after calls to update_position */
1016 if (ob != pl->ob) 976 /* unfortunately, we need to udpate los when observing, currently */
1017 clear_los (pl); 977 if (pl->do_los || pl->observe != pl->ob)
1018 else if (pl->do_los)
1019 { 978 {
1020 update_los (ob);
1021 pl->do_los = 0; 979 pl->do_los = 0;
980 pl->update_los ();
1022 } 981 }
1023 982
1024 /** 983 /**
1025 * This function uses the new map1 protocol command to send the map 984 * This function uses the new map1 protocol command to send the map
1026 * to the client. It is necessary because the old map command supports 985 * to the client. It is necessary because the old map command supports
1045 */ 1004 */
1046 1005
1047 client &socket = *pl->ns; 1006 client &socket = *pl->ns;
1048 1007
1049 packet sl (socket.mapmode == Map1Cmd ? "map1" : "map1a"); 1008 packet sl (socket.mapmode == Map1Cmd ? "map1" : "map1a");
1050 packet esl;
1051 1009
1052 startlen = sl.length (); 1010 startlen = sl.length ();
1053 1011
1054 /*Extendedmapinfo structure initialisation */ 1012 int hx = socket.mapx / 2;
1055 if (socket.ext_mapinfos) 1013 int hy = socket.mapy / 2;
1056 {
1057 extendedinfos = EMI_NOREDRAW;
1058 1014
1059 if (socket.EMI_smooth) 1015 ordered_mapwalk_begin (ob, -hx, -hy, hx, hy)
1060 extendedinfos |= EMI_SMOOTH; 1016 int ax = dx + hx;
1017 int ay = dy + hy;
1061 1018
1062 ewhatstart = esl.length (); 1019 int mask = (ax << 10) | (ay << 4);
1063 ewhatflag = extendedinfos; /*The EMI_NOREDRAW bit
1064 could need to be taken away */
1065 eentrysize = getExtendedMapInfoSize (&socket);
1066 esl << "mapextended "
1067 << uint8 (extendedinfos)
1068 << uint8 (eentrysize);
1069
1070 estartlen = esl.length ();
1071 }
1072
1073 /* x,y are the real map locations. ax, ay are viewport relative
1074 * locations.
1075 */
1076 ay = 0;
1077
1078 /* We could do this logic as conditionals in the if statement,
1079 * but that started to get a bit messy to look at.
1080 */
1081 max_x = ob->x + (socket.mapx + 1) / 2;
1082 max_y = ob->y + (socket.mapy + 1) / 2;
1083
1084 for (y = ob->y - socket.mapy / 2; y < max_y; y++, ay++)
1085 {
1086 sint16 nx, ny;
1087 maptile *m = 0;
1088
1089 ax = 0;
1090 for (x = ob->x - socket.mapx / 2; x < max_x; x++, ax++)
1091 {
1092 // check to see if we can simply go one right quickly
1093 ++nx;
1094 if (m && nx >= m->width)
1095 m = 0;
1096
1097 if (!m)
1098 {
1099 nx = x; ny = y; m = plmap;
1100
1101 if (!xy_normalise (m, nx, ny))
1102 m = 0;
1103 }
1104
1105 int emask, mask;
1106 emask = mask = (ax & 0x3f) << 10 | (ay & 0x3f) << 4;
1107
1108 MapCell &lastcell = socket.lastmap.cells[ax][ay]; 1020 MapCell &lastcell = socket.lastmap.cells[ax][ay];
1109 1021
1110 /* If the coordinates are not valid, or it is too dark to see, 1022 /* If the coordinates are not valid, or it is too dark to see,
1111 * we tell the client as such 1023 * we tell the client as such
1112 */ 1024 */
1113 if (!m) 1025 if (!m)
1114 { 1026 {
1115 /* space is out of map. Update space and clear values 1027 /* space is out of map. Update space and clear values
1116 * if this hasn't already been done. If the space is out 1028 * if this hasn't already been done. If the space is out
1117 * of the map, it shouldn't have a head 1029 * of the map, it shouldn't have a head.
1118 */ 1030 */
1119 if (lastcell.count != -1) 1031 if (lastcell.count != -1)
1032 {
1033 sl << uint16 (mask);
1034 map_clearcell (&lastcell, -1);
1035 }
1036
1037 continue;
1038 }
1039
1040 int d = pl->blocked_los_uc (dx, dy);
1041
1042 if (d > 3)
1043 {
1044 /* This block deals with spaces that are not visible for whatever
1045 * reason. Still may need to send the head for this space.
1046 */
1047 if (lastcell.count != -1
1048 || lastcell.faces[0]
1049 || lastcell.faces[1]
1050 || lastcell.faces[2]
1051 || lastcell.stat_hp
1052 || lastcell.flags
1053 || lastcell.player)
1054 sl << uint16 (mask);
1055
1056 /* properly clear a previously sent big face */
1057 map_clearcell (&lastcell, -1);
1058 }
1059 else
1060 {
1061 /* In this block, the space is visible.
1062 */
1063
1064 /* Rather than try to figure out what everything that we might
1065 * need to send is, then form the packet after that,
1066 * we presume that we will in fact form a packet, and update
1067 * the bits by what we do actually send. If we send nothing,
1068 * we just back out sl.length () to the old value, and no harm
1069 * is done.
1070 * I think this is simpler than doing a bunch of checks to see
1071 * what if anything we need to send, setting the bits, then
1072 * doing those checks again to add the real data.
1073 */
1074 oldlen = sl.length ();
1075
1076 sl << uint16 (mask);
1077
1078 unsigned char dummy;
1079 unsigned char *last_ext = &dummy;
1080
1081 /* Darkness changed */
1082 if (lastcell.count != d)
1083 {
1084 mask |= 0x8;
1085
1086 if (socket.extmap)
1087 {
1088 *last_ext |= 0x80;
1089 last_ext = &sl[sl.length ()];
1090 sl << uint8 (d);
1091 }
1092 else
1093 sl << uint8 (255 - 64 * d);
1094 }
1095
1096 lastcell.count = d;
1097
1098 mapspace &ms = m->at (nx, ny);
1099 ms.update ();
1100
1101 if (expect_true (socket.extmap))
1102 {
1103 uint8 stat_hp = 0;
1104 uint8 stat_width = 0;
1105 uint8 flags = 0;
1106 tag_t player = 0;
1107
1108 // send hp information, if applicable
1109 if (object *op = ms.faces_obj [0])
1110 if (op->is_head () && !op->invisible)
1120 { 1111 {
1121 sl << uint16 (mask); 1112 if (op->stats.maxhp > op->stats.hp
1122 map_clearcell (&lastcell, -1); 1113 && op->stats.maxhp > 0
1114 && (op->type == PLAYER
1115 || op->type == DOOR // does not work, have maxhp 0
1116 || QUERY_FLAG (op, FLAG_MONSTER)
1117 || QUERY_FLAG (op, FLAG_ALIVE)
1118 || QUERY_FLAG (op, FLAG_GENERATOR)))
1119 {
1120 stat_hp = 255 - (op->stats.hp * 255 + 254) / op->stats.maxhp;
1121 stat_width = op->arch->max_x - op->arch->x; //TODO: should be upper-left edge
1122 }
1123
1124 if (expect_false (op->has_dialogue ()))
1125 flags |= 1;
1126
1127 if (expect_false (op->type == PLAYER))
1128 player = op == ob ? pl->ob->count
1129 : op == pl->ob ? ob->count
1130 : op->count;
1123 } 1131 }
1124 1132
1125 continue; 1133 if (expect_false (lastcell.stat_hp != stat_hp))
1126 }
1127
1128 m->touch ();
1129
1130 int d = pl->blocked_los[ax][ay];
1131
1132 if (d > 3)
1133 {
1134
1135 int need_send = 0, count;
1136
1137 /* This block deals with spaces that are not visible for whatever
1138 * reason. Still may need to send the head for this space.
1139 */
1140
1141 oldlen = sl.length ();
1142
1143 sl << uint16 (mask);
1144
1145 if (lastcell.count != -1)
1146 need_send = 1;
1147
1148 count = -1;
1149
1150 /* properly clear a previously sent big face */
1151 if (lastcell.faces[0] || lastcell.faces[1] || lastcell.faces[2]
1152 || lastcell.stat_hp || lastcell.flags || lastcell.player)
1153 need_send = 1;
1154
1155 map_clearcell (&lastcell, count);
1156
1157 if ((mask & 0xf) || need_send)
1158 sl[oldlen + 1] = mask & 0xff;
1159 else
1160 sl.reset (oldlen);
1161 }
1162 else
1163 {
1164 /* In this block, the space is visible.
1165 */
1166
1167 /* Rather than try to figure out what everything that we might
1168 * need to send is, then form the packet after that,
1169 * we presume that we will in fact form a packet, and update
1170 * the bits by what we do actually send. If we send nothing,
1171 * we just back out sl.length () to the old value, and no harm
1172 * is done.
1173 * I think this is simpler than doing a bunch of checks to see
1174 * what if anything we need to send, setting the bits, then
1175 * doing those checks again to add the real data.
1176 */
1177 oldlen = sl.length ();
1178 eoldlen = esl.length ();
1179
1180 sl << uint16 (mask);
1181
1182 unsigned char dummy;
1183 unsigned char *last_ext = &dummy;
1184
1185 /* Darkness changed */
1186 if (lastcell.count != d && socket.darkness)
1187 { 1134 {
1135 lastcell.stat_hp = stat_hp;
1136
1188 mask |= 0x8; 1137 mask |= 0x8;
1138 *last_ext |= 0x80;
1139 last_ext = &sl[sl.length ()];
1189 1140
1190 if (socket.extmap) 1141 sl << uint8 (5) << uint8 (stat_hp);
1142
1143 if (stat_width > 1)
1191 { 1144 {
1192 *last_ext |= 0x80; 1145 *last_ext |= 0x80;
1193 last_ext = &sl[sl.length ()]; 1146 last_ext = &sl[sl.length ()];
1194 sl << uint8 (d);
1195 }
1196 else
1197 sl << uint8 (255 - 64 * d);
1198 }
1199 1147
1200 lastcell.count = d;
1201
1202 mapspace &ms = m->at (nx, ny);
1203 ms.update ();
1204
1205 if (socket.extmap)
1206 {
1207 uint8 stat_hp = 0;
1208 uint8 stat_width = 0;
1209 uint8 flags = 0;
1210 tag_t player = 0;
1211
1212 // send hp information, if applicable
1213 if (object *op = ms.faces_obj [0])
1214 {
1215 if (op->head || op->invisible)
1216 ; // do not show
1217 else if (op->type == PLAYER
1218 || QUERY_FLAG (op, FLAG_MONSTER) || QUERY_FLAG (op, FLAG_ALIVE) || QUERY_FLAG (op, FLAG_GENERATOR))
1219 {
1220 if (op->stats.maxhp > 0 && (unsigned) op->stats.maxhp > (unsigned) op->stats.hp)
1221 {
1222 stat_hp = 255 - (op->stats.hp * 255 + 254) / op->stats.maxhp;
1223 stat_width = op->arch->max_x - op->arch->x; //TODO: should be upper-left edge
1224 }
1225 }
1226
1227 if (op->msg && op->msg[0] == '@')
1228 flags |= 1;
1229
1230 if (op->type == PLAYER && op != ob)
1231 player = op->count;
1232 }
1233
1234 if (lastcell.stat_hp != stat_hp)
1235 {
1236 lastcell.stat_hp = stat_hp;
1237
1238 mask |= 0x8;
1239 *last_ext |= 0x80;
1240 last_ext = &sl[sl.length ()];
1241
1242 sl << uint8 (5) << uint8 (stat_hp);
1243
1244 if (stat_width > 1)
1245 {
1246 *last_ext |= 0x80;
1247 last_ext = &sl[sl.length ()];
1248
1249 sl << uint8 (6) << uint8 (stat_width); 1148 sl << uint8 (6) << uint8 (stat_width);
1250 }
1251 } 1149 }
1252
1253 if (lastcell.player != player)
1254 {
1255 lastcell.player = player;
1256
1257 mask |= 0x8;
1258 *last_ext |= 0x80;
1259 last_ext = &sl[sl.length ()];
1260
1261 sl << uint8 (0x47) << uint8 (4) << (uint32)player;
1262 }
1263
1264 if (lastcell.flags != flags)
1265 {
1266 lastcell.flags = flags;
1267
1268 mask |= 0x8;
1269 *last_ext |= 0x80;
1270 last_ext = &sl[sl.length ()];
1271
1272 sl << uint8 (8) << uint8 (flags);
1273 }
1274 } 1150 }
1275 1151
1276 /* Floor face */ 1152 if (expect_false (lastcell.player != player))
1277 if (update_space (sl, socket, ms, lastcell, 2)) 1153 {
1154 lastcell.player = player;
1155
1278 mask |= 0x4; 1156 mask |= 0x8;
1157 *last_ext |= 0x80;
1158 last_ext = &sl[sl.length ()];
1279 1159
1280 /* Middle face */ 1160 sl << uint8 (0x47) << uint8 (4) << (uint32)player;
1281 if (update_space (sl, socket, ms, lastcell, 1)) 1161 }
1162
1163 if (expect_false (lastcell.flags != flags))
1164 {
1165 lastcell.flags = flags;
1166
1282 mask |= 0x2; 1167 mask |= 0x8;
1168 *last_ext |= 0x80;
1169 last_ext = &sl[sl.length ()];
1283 1170
1284 if (ms.player () == ob 1171 sl << uint8 (8) << uint8 (flags);
1285 && (ob->invisible & (ob->invisible < 50 ? 1 : 7)))
1286 { 1172 }
1173 }
1174
1175 /* Floor face */
1176 if (update_space (sl, socket, ms, lastcell, 2))
1177 mask |= 0x4;
1178
1179 /* Middle face */
1180 if (update_space (sl, socket, ms, lastcell, 1))
1181 mask |= 0x2;
1182
1183 if (expect_false (ob->invisible)
1184 && ob->invisible & (ob->invisible < 50 ? 1 : 7)
1185 && ms.player () == ob)
1186 {
1287 // force player to be visible to himself if invisible 1187 // force player to be visible to himself if invisible
1288 if (lastcell.faces[0] != ob->face) 1188 if (lastcell.faces[0] != ob->face)
1289 { 1189 {
1290 lastcell.faces[0] = ob->face; 1190 lastcell.faces[0] = ob->face;
1291 1191
1292 mask |= 0x1;
1293 sl << uint16 (ob->face);
1294
1295 socket.send_faces (ob);
1296 }
1297 }
1298 /* Top face */
1299 else if (update_space (sl, socket, ms, lastcell, 0))
1300 mask |= 0x1; 1192 mask |= 0x1;
1193 sl << uint16 (ob->face);
1301 1194
1195 socket.send_faces (ob);
1196 }
1197 }
1198 /* Top face */
1199 else if (update_space (sl, socket, ms, lastcell, 0))
1200 mask |= 0x1;
1201
1302 /* Check to see if we are in fact sending anything for this 1202 /* Check to see if we are in fact sending anything for this
1303 * space by checking the mask. If so, update the mask. 1203 * space by checking the mask. If so, update the mask.
1304 * if not, reset the len to that from before adding the mask 1204 * if not, reset the len to that from before adding the mask
1305 * value, so we don't send those bits. 1205 * value, so we don't send those bits.
1306 */ 1206 */
1307 if (mask & 0xf) 1207 if (mask & 0xf)
1308 sl[oldlen + 1] = mask & 0xff; 1208 sl[oldlen + 1] = mask & 0xff;
1309 else 1209 else
1310 sl.reset (oldlen); 1210 sl.reset (oldlen);
1311
1312 if (socket.ext_mapinfos)
1313 esl << uint16 (emask);
1314
1315 if (socket.EMI_smooth)
1316 {
1317 for (int layer = 2+1; layer--; )
1318 {
1319 object *ob = ms.faces_obj [layer];
1320
1321 // If there is no object for this space, or if the face for the object
1322 // is the blank face, set the smoothlevel to zero.
1323 int smoothlevel = ob && ob->face != blank_face ? ob->smoothlevel : 0;
1324
1325 // We've gotten what face we want to use for the object. Now see if
1326 // if it has changed since we last sent it to the client.
1327 if (lastcell.smooth[layer] != smoothlevel)
1328 {
1329 lastcell.smooth[layer] = smoothlevel;
1330 esl << uint8 (smoothlevel);
1331 emask |= 1 << layer;
1332 }
1333 }
1334
1335 if (emask & 0xf)
1336 esl[eoldlen + 1] = emask & 0xff;
1337 else
1338 esl.reset (eoldlen);
1339 }
1340 } /* else this is a viewable space */ 1211 } /* else this is a viewable space */
1341 } /* for x loop */ 1212 ordered_mapwalk_end
1342 } /* for y loop */
1343 1213
1344 socket.flush_fx (); 1214 socket.flush_fx ();
1345
1346 /* Verify that we in fact do need to send this */
1347 if (socket.ext_mapinfos)
1348 {
1349 if (!(sl.length () > startlen || socket.sent_scroll))
1350 {
1351 /* No map data will follow, so don't say the client
1352 * it doesn't need draw!
1353 */
1354 ewhatflag &= ~EMI_NOREDRAW;
1355 esl[ewhatstart + 1] = ewhatflag & 0xff;
1356 }
1357
1358 if (esl.length () > estartlen)
1359 socket.send_packet (esl);
1360 }
1361 1215
1362 if (sl.length () > startlen || socket.sent_scroll) 1216 if (sl.length () > startlen || socket.sent_scroll)
1363 { 1217 {
1364 socket.send_packet (sl); 1218 socket.send_packet (sl);
1365 socket.sent_scroll = 0; 1219 socket.sent_scroll = 0;
1386{ 1240{
1387 packet sl; 1241 packet sl;
1388 sl << "replyinfo skill_info\n"; 1242 sl << "replyinfo skill_info\n";
1389 1243
1390 for (int i = 1; i < NUM_SKILLS; i++) 1244 for (int i = 1; i < NUM_SKILLS; i++)
1391 sl.printf ("%d:%s\n", i + CS_STAT_SKILLINFO, &skill_names[i]); 1245 sl.printf ("%d:%s\n", i + CS_STAT_SKILLINFO, &skill_names [i]);
1392 1246
1393 if (sl.length () >= MAXSOCKBUF) 1247 if (sl.length () > MAXSOCKBUF)
1394 { 1248 {
1395 LOG (llevError, "Buffer overflow in send_skill_info!\n"); 1249 LOG (llevError, "Buffer overflow in send_skill_info!\n");
1396 fatal (0); 1250 fatal (0);
1397 } 1251 }
1398 1252
1411 sl << "replyinfo spell_paths\n"; 1265 sl << "replyinfo spell_paths\n";
1412 1266
1413 for (int i = 0; i < NRSPELLPATHS; i++) 1267 for (int i = 0; i < NRSPELLPATHS; i++)
1414 sl.printf ("%d:%s\n", 1 << i, spellpathnames[i]); 1268 sl.printf ("%d:%s\n", 1 << i, spellpathnames[i]);
1415 1269
1416 if (sl.length () >= MAXSOCKBUF) 1270 if (sl.length () > MAXSOCKBUF)
1417 { 1271 {
1418 LOG (llevError, "Buffer overflow in send_spell_paths!\n"); 1272 LOG (llevError, "Buffer overflow in send_spell_paths!\n");
1419 fatal (0); 1273 fatal (0);
1420 } 1274 }
1421 1275
1440 if (spell->type == SPELL) 1294 if (spell->type == SPELL)
1441 { 1295 {
1442 int flags = 0; 1296 int flags = 0;
1443 1297
1444 /* check if we need to update it */ 1298 /* check if we need to update it */
1445 if (spell->last_sp != SP_level_spellpoint_cost (pl->ob, spell, SPELL_MANA)) 1299 if (spell->cached_sp != SP_level_spellpoint_cost (pl->ob, spell, SPELL_MANA))
1446 { 1300 {
1447 spell->last_sp = SP_level_spellpoint_cost (pl->ob, spell, SPELL_MANA); 1301 spell->cached_sp = SP_level_spellpoint_cost (pl->ob, spell, SPELL_MANA);
1448 flags |= UPD_SP_MANA; 1302 flags |= UPD_SP_MANA;
1449 } 1303 }
1450 1304
1451 if (spell->last_grace != SP_level_spellpoint_cost (pl->ob, spell, SPELL_GRACE)) 1305 if (spell->cached_grace != SP_level_spellpoint_cost (pl->ob, spell, SPELL_GRACE))
1452 { 1306 {
1453 spell->last_grace = SP_level_spellpoint_cost (pl->ob, spell, SPELL_GRACE); 1307 spell->cached_grace = SP_level_spellpoint_cost (pl->ob, spell, SPELL_GRACE);
1454 flags |= UPD_SP_GRACE; 1308 flags |= UPD_SP_GRACE;
1455 } 1309 }
1456 1310
1457 if (spell->last_eat != spell->stats.dam + SP_level_dam_adjust (pl->ob, spell)) 1311 if (spell->cached_eat != spell->stats.dam + SP_level_dam_adjust (pl->ob, spell))
1458 { 1312 {
1459 spell->last_eat = spell->stats.dam + SP_level_dam_adjust (pl->ob, spell); 1313 spell->cached_eat = spell->stats.dam + SP_level_dam_adjust (pl->ob, spell);
1460 flags |= UPD_SP_DAMAGE; 1314 flags |= UPD_SP_DAMAGE;
1461 } 1315 }
1462 1316
1463 if (flags) 1317 if (flags)
1464 { 1318 {
1466 1320
1467 sl << "updspell " 1321 sl << "updspell "
1468 << uint8 (flags) 1322 << uint8 (flags)
1469 << uint32 (spell->count); 1323 << uint32 (spell->count);
1470 1324
1471 if (flags & UPD_SP_MANA ) sl << uint16 (spell->last_sp); 1325 if (flags & UPD_SP_MANA ) sl << uint16 (spell->cached_sp);
1472 if (flags & UPD_SP_GRACE ) sl << uint16 (spell->last_grace); 1326 if (flags & UPD_SP_GRACE ) sl << uint16 (spell->cached_grace);
1473 if (flags & UPD_SP_DAMAGE) sl << uint16 (spell->last_eat); 1327 if (flags & UPD_SP_DAMAGE) sl << uint16 (spell->cached_eat);
1474 1328
1475 pl->ns->send_packet (sl); 1329 pl->ns->send_packet (sl);
1476 } 1330 }
1477 } 1331 }
1478 } 1332 }
1508 LOG (llevError, "item number %d is a spell with no name.\n", spell->count); 1362 LOG (llevError, "item number %d is a spell with no name.\n", spell->count);
1509 return; 1363 return;
1510 } 1364 }
1511 1365
1512 /* store costs and damage in the object struct, to compare to later */ 1366 /* store costs and damage in the object struct, to compare to later */
1513 spell->last_sp = SP_level_spellpoint_cost (pl->ob, spell, SPELL_MANA); 1367 spell->cached_sp = SP_level_spellpoint_cost (pl->ob, spell, SPELL_MANA);
1514 spell->last_grace = SP_level_spellpoint_cost (pl->ob, spell, SPELL_GRACE); 1368 spell->cached_grace = SP_level_spellpoint_cost (pl->ob, spell, SPELL_GRACE);
1515 spell->last_eat = spell->stats.dam + SP_level_dam_adjust (pl->ob, spell); 1369 spell->cached_eat = spell->stats.dam + SP_level_dam_adjust (pl->ob, spell);
1516 1370
1517 /* figure out which skill it uses, if it uses one */ 1371 /* figure out which skill it uses, if it uses one */
1518 if (spell->skill) 1372 if (spell->skill)
1519 { 1373 if (object *tmp = pl->find_skill (spell->skill))
1520 for (i = 1; i < NUM_SKILLS; i++)
1521 if (!strcmp (spell->skill, skill_names[i]))
1522 {
1523 skill = i + CS_STAT_SKILLINFO; 1374 skill = tmp->subtype + CS_STAT_SKILLINFO;
1524 break;
1525 }
1526 }
1527 1375
1528 // spells better have a face 1376 // spells better have a face
1529 if (!spell->face) 1377 if (!spell->face)
1530 { 1378 {
1531 LOG (llevError, "%s: spell has no face, but face is mandatory.\n", &spell->name); 1379 LOG (llevError, "%s: spell has no face, but face is mandatory.\n", &spell->name);
1532 spell->face = face_find ("burnout.x11", blank_face); 1380 spell->face = face_find ("burnout.x11", blank_face);
1533 } 1381 }
1382
1383 pl->ns->send_face (spell->face);
1534 1384
1535 /* send the current values */ 1385 /* send the current values */
1536 sl << uint32 (spell->count) 1386 sl << uint32 (spell->count)
1537 << uint16 (spell->level) 1387 << uint16 (spell->level)
1538 << uint16 (spell->casting_time) 1388 << uint16 (spell->casting_time)
1539 << uint16 (spell->last_sp) 1389 << uint16 (spell->cached_sp)
1540 << uint16 (spell->last_grace) 1390 << uint16 (spell->cached_grace)
1541 << uint16 (spell->last_eat) 1391 << uint16 (spell->cached_eat)
1542 << uint8 (skill) 1392 << uint8 (skill)
1543 << uint32 (spell->path_attuned) 1393 << uint32 (spell->path_attuned)
1544 << uint32 (spell->face) 1394 << uint32 (spell->face)
1545 << data8 (spell->name) 1395 << data8 (spell->name)
1546 << data16 (spell->msg); 1396 << data16 (spell->msg);
1574 * bytes and 3 strings (because that is the spec) so we need to 1424 * bytes and 3 strings (because that is the spec) so we need to
1575 * check that the length of those 3 strings, plus the 23 bytes, 1425 * check that the length of those 3 strings, plus the 23 bytes,
1576 * won't take us over the length limit for the socket, if it does, 1426 * won't take us over the length limit for the socket, if it does,
1577 * we need to send what we already have, and restart packet formation 1427 * we need to send what we already have, and restart packet formation
1578 */ 1428 */
1429 if (spell->type != SPELL)
1430 continue;
1431
1579 /* Seeing crashes by overflowed buffers. Quick arithemetic seems 1432 /* Seeing crashes by overflowed buffers. Quick arithemetic seems
1580 * to show add_spell is 26 bytes + 2 strings. However, the overun 1433 * to show add_spell is 26 bytes + 2 strings. However, the overun
1581 * is hundreds of bytes off, so correcting 22 vs 26 doesn't seem 1434 * is hundreds of bytes off, so correcting 22 vs 26 doesn't seem
1582 * like it will fix this 1435 * like it will fix this
1583 */ 1436 */
1584 if (spell->type != SPELL)
1585 continue;
1586
1587 if (sl.length () >= (MAXSOCKBUF - (26 + strlen (spell->name) + (spell->msg ? strlen (spell->msg) : 0)))) 1437 if (sl.length () > (MAXSOCKBUF - (26 + strlen (spell->name) + (spell->msg ? strlen (spell->msg) : 0))))
1588 { 1438 {
1439 pl->ns->flush_fx ();
1589 pl->ns->send_packet (sl); 1440 pl->ns->send_packet (sl);
1590 1441
1591 sl.reset (); 1442 sl.reset ();
1592 sl << "addspell "; 1443 sl << "addspell ";
1593 } 1444 }
1601 return; 1452 return;
1602 } 1453 }
1603 else 1454 else
1604 append_spell (pl, sl, spell); 1455 append_spell (pl, sl, spell);
1605 1456
1606 if (sl.length () >= MAXSOCKBUF) 1457 if (sl.length () > MAXSOCKBUF)
1607 { 1458 {
1608 LOG (llevError, "Buffer overflow in esrv_add_spells!\n"); 1459 LOG (llevError, "Buffer overflow in esrv_add_spells!\n");
1609 fatal (0); 1460 fatal (0);
1610 } 1461 }
1611 1462
1612 /* finally, we can send the packet */ 1463 /* finally, we can send the packet */
1464 pl->ns->flush_fx ();
1613 pl->ns->send_packet (sl); 1465 pl->ns->send_packet (sl);
1614} 1466}
1615 1467

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