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Comparing deliantra/server/socket/request.C (file contents):
Revision 1.90 by root, Fri Apr 27 00:49:58 2007 UTC vs.
Revision 1.105 by root, Wed Jun 6 17:22:55 2007 UTC

1/* 1/*
2 * CrossFire, A Multiplayer game for X-windows 2 * This file is part of Crossfire TRT, the Multiplayer Online Role Playing Game.
3 * 3 *
4 * Copyright (C) 2005, 2006, 2007 Marc Lehmann & Crossfire+ Development Team 4 * Copyright (©) 2005,2006,2007 Marc Alexander Lehmann / Robin Redeker / the Crossfire TRT team
5 * Copyright (C) 2001 Mark Wedel 5 * Copyright (©) 2001,2007 Mark Wedel
6 * Copyright (C) 1992 Frank Tore Johansen 6 * Copyright (©) 1992,2007 Frank Tore Johansen
7 * 7 *
8 * This program is free software; you can redistribute it and/or modify 8 * Crossfire TRT is free software; you can redistribute it and/or modify it
9 * it under the terms of the GNU General Public License as published by 9 * under the terms of the GNU General Public License as published by the Free
10 * the Free Software Foundation; either version 2 of the License, or 10 * Software Foundation; either version 2 of the License, or (at your option)
11 * (at your option) any later version. 11 * 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, but
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of 14 * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15 * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
16 * GNU General Public License for more details. 16 * 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 along
19 * along with this program; if not, write to the Free Software 19 * with Crossfire TRT; if not, write to the Free Software Foundation, Inc. 51
20 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 20 * Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
21 * 21 *
22 * The author can be reached via e-mail to <crossfire@schmorp.de> 22 * The authors can be reached via e-mail to <crossfire@schmorp.de>
23 */ 23 */
24 24
25/** 25/**
26 * \file 26 * \file
27 * Client handling. 27 * Client handling.
145/** check for map/region change and send new map data */ 145/** check for map/region change and send new map data */
146static void 146static void
147check_map_change (player *pl) 147check_map_change (player *pl)
148{ 148{
149 client &socket = *pl->ns; 149 client &socket = *pl->ns;
150 object *ob = pl->ob; 150 object *ob = pl->observe;
151 char buf[MAX_BUF]; /* eauugggh */
152 151
153 if (socket.current_map != ob->map || socket.force_newmap) 152 if (socket.current_map != ob->map || socket.force_newmap)
154 { 153 {
155 clear_map (pl); 154 clear_map (pl);
156 socket.current_map = ob->map; 155 socket.current_map = ob->map;
164 if (ob->map->tile_path[0]) flags |= 1; 163 if (ob->map->tile_path[0]) flags |= 1;
165 if (ob->map->tile_path[1]) flags |= 2; 164 if (ob->map->tile_path[1]) flags |= 2;
166 if (ob->map->tile_path[2]) flags |= 4; 165 if (ob->map->tile_path[2]) flags |= 4;
167 if (ob->map->tile_path[3]) flags |= 8; 166 if (ob->map->tile_path[3]) flags |= 8;
168 167
169 snprintf (buf, MAX_BUF, "mapinfo - spatial %d %d %d %d %d %s", 168 socket.send_packet_printf ("mapinfo - spatial %d %d %d %d %d %s",
170 flags, socket.mapx / 2 - ob->x, socket.mapy / 2 - ob->y, ob->map->width, ob->map->height, &ob->map->path); 169 flags, socket.mapx / 2 - ob->x, socket.mapy / 2 - ob->y,
170 ob->map->width, ob->map->height, &ob->map->path);
171 } 171 }
172 else 172 else
173 snprintf (buf, MAX_BUF, "mapinfo current");
174
175 socket.send_packet (buf); 173 socket.send_packet ("mapinfo current");
176 } 174 }
177 } 175 }
178 else if (socket.current_x != ob->x || socket.current_y != ob->y) 176 else if (socket.current_x != ob->x || socket.current_y != ob->y)
179 { 177 {
180 int dx = ob->x - socket.current_x; 178 int dx = ob->x - socket.current_x;
524 * commands. 522 * commands.
525 */ 523 */
526 pl->count = 0; 524 pl->count = 0;
527} 525}
528 526
529
530/** 527/**
531 * This handles the general commands from the client (ie, north, fire, cast, 528 * This handles the general commands from the client (ie, north, fire, cast,
532 * etc.). It is a lot like PlayerCmd above, but is called with the 529 * etc.). It is a lot like PlayerCmd above, but is called with the
533 * 'ncom' method which gives more information back to the client so it 530 * 'ncom' method which gives more information back to the client so it
534 * can throttle. 531 * can throttle.
726send_query (client *ns, uint8 flags, const char *text) 723send_query (client *ns, uint8 flags, const char *text)
727{ 724{
728 ns->send_packet_printf ("query %d %s", flags, text ? text : ""); 725 ns->send_packet_printf ("query %d %s", flags, text ? text : "");
729} 726}
730 727
728/**
729 * Get player's current range attack in obuf.
730 */
731static void
732rangetostring (player *pl, char *obuf)
733{
734 dynbuf_text buf;
735
736 if (pl->observe->contr)
737 pl = pl->observe->contr;
738
739 if (pl->ranged_ob)
740 buf << " Range" << (pl->ob->current_weapon == pl->ranged_ob ? "*" : "") << ": " << pl->ranged_ob->name;
741
742 if (pl->combat_ob)
743 buf << " Combat" << (pl->ob->current_weapon == pl->combat_ob ? "*" : "") << ": " << pl->combat_ob->name;
744
745#if 0
746 //TODO: remove this when slot system is working, this is only for debugging
747 if (pl->ob->chosen_skill)
748 buf << " Skill*: " << pl->ob->chosen_skill->name;
749#endif
750
751 //TODO: maybe golem should become the current_weapon, quite simply?
752 if (pl->golem)
753 buf << " Golem*: " << pl->golem->name;
754
755 buf.linearise (obuf);
756 obuf [buf.size ()] = 0;
757}
758
731#define AddIfInt64(Old,New,Type) if (Old != New) {\ 759#define AddIfInt64(Old,New,Type) if (Old != New) {\
732 Old = New; \ 760 Old = New; \
733 sl << uint8 (Type) << uint64 (New); \ 761 sl << uint8 (Type) << uint64 (New); \
734 } 762 }
735 763
741#define AddIfShort(Old,New,Type) if (Old != New) {\ 769#define AddIfShort(Old,New,Type) if (Old != New) {\
742 Old = New; \ 770 Old = New; \
743 sl << uint8 (Type) << uint16 (New); \ 771 sl << uint8 (Type) << uint16 (New); \
744 } 772 }
745 773
746#define AddIfFloat(Old,New,Type) if (Old != New) {\ 774#define AddIfFloat(Old,New,Type,mult) if (Old != New) {\
747 Old = New; \ 775 Old = New; \
748 sl << uint8 (Type) << uint32 (New*FLOAT_MULTI); \ 776 sl << uint8 (Type) << uint32 (New*FLOAT_MULTI*mult); \
749 } 777 }
750 778
751#define AddIfString(Old,New,Type) if (Old == NULL || strcmp(Old,New)) {\ 779#define AddIfString(Old,New,Type) if (Old == NULL || strcmp(Old,New)) {\
752 free(Old); Old = strdup (New);\ 780 free(Old); Old = strdup (New);\
753 sl << uint8 (Type) << data8 (New); \ 781 sl << uint8 (Type) << data8 (New); \
767 795
768 client *ns = pl->ns; 796 client *ns = pl->ns;
769 if (!ns) 797 if (!ns)
770 return; 798 return;
771 799
772 object *ob = pl->ob; 800 object *ob = pl->observe;
773 if (!ob) 801 if (!ob)
774 return; 802 return;
775 803
776 packet sl ("stats"); 804 packet sl ("stats");
777 805
806 AddIfInt64 (ns->last_stats.exp, ob->stats.exp, CS_STAT_EXP64); 834 AddIfInt64 (ns->last_stats.exp, ob->stats.exp, CS_STAT_EXP64);
807 AddIfShort (ns->last_level, ob->level, CS_STAT_LEVEL); 835 AddIfShort (ns->last_level, ob->level, CS_STAT_LEVEL);
808 AddIfShort (ns->last_stats.wc, ob->stats.wc, CS_STAT_WC); 836 AddIfShort (ns->last_stats.wc, ob->stats.wc, CS_STAT_WC);
809 AddIfShort (ns->last_stats.ac, ob->stats.ac, CS_STAT_AC); 837 AddIfShort (ns->last_stats.ac, ob->stats.ac, CS_STAT_AC);
810 AddIfShort (ns->last_stats.dam, ob->stats.dam, CS_STAT_DAM); 838 AddIfShort (ns->last_stats.dam, ob->stats.dam, CS_STAT_DAM);
811 AddIfFloat (ns->last_speed, ob->speed, CS_STAT_SPEED); 839 AddIfFloat (ns->last_speed, ob->speed, CS_STAT_SPEED, 1.f/TICK);
812 AddIfShort (ns->last_stats.food, ob->stats.food, CS_STAT_FOOD); 840 AddIfShort (ns->last_stats.food, ob->stats.food, CS_STAT_FOOD);
813 AddIfFloat (ns->last_weapon_sp, pl->weapon_sp, CS_STAT_WEAP_SP); 841 AddIfFloat (ns->last_weapon_sp, pl->weapon_sp, CS_STAT_WEAP_SP, 1.f/TICK);
814 AddIfInt (ns->last_weight_limit, weight_limit[ob->stats.Str], CS_STAT_WEIGHT_LIM); 842 AddIfInt (ns->last_weight_limit, weight_limit[ob->stats.Str], CS_STAT_WEIGHT_LIM);
815 843
816 flags = 0; 844 flags = 0;
817 845
818 if (pl->fire_on) 846 if (pl->fire_on)
840 AddIfInt (ns->last_path_attuned, ob->path_attuned, CS_STAT_SPELL_ATTUNE); 868 AddIfInt (ns->last_path_attuned, ob->path_attuned, CS_STAT_SPELL_ATTUNE);
841 AddIfInt (ns->last_path_repelled, ob->path_repelled, CS_STAT_SPELL_REPEL); 869 AddIfInt (ns->last_path_repelled, ob->path_repelled, CS_STAT_SPELL_REPEL);
842 AddIfInt (ns->last_path_denied, ob->path_denied, CS_STAT_SPELL_DENY); 870 AddIfInt (ns->last_path_denied, ob->path_denied, CS_STAT_SPELL_DENY);
843 } 871 }
844 872
845 rangetostring (ob, buf); /* we want use the new fire & run system in new client */ 873 rangetostring (pl, buf); /* we want use the new fire & run system in new client */
846 AddIfString (ns->stats.range, buf, CS_STAT_RANGE); 874 AddIfString (ns->stats.range, buf, CS_STAT_RANGE);
847 set_title (ob, buf); 875 set_title (ob, buf);
848 AddIfString (ns->stats.title, buf, CS_STAT_TITLE); 876 AddIfString (ns->stats.title, buf, CS_STAT_TITLE);
849 877
850 /* Only send it away if we have some actual data */ 878 /* Only send it away if we have some actual data */
984{ 1012{
985 prefetch_surrounding_maps (op->map, 3); 1013 prefetch_surrounding_maps (op->map, 3);
986} 1014}
987 1015
988/** 1016/**
989 * This function uses the new map1 protocol command to send the map 1017 * Draws client map.
990 * to the client. It is necessary because the old map command supports
991 * a maximum map size of 15x15.
992 * This function is much simpler than the old one. This is because
993 * the old function optimized to send as few face identifiers as possible,
994 * at the expense of sending more coordinate location (coordinates were
995 * only 1 byte, faces 2 bytes, so this was a worthwhile savings). Since
996 * we need 2 bytes for coordinates and 2 bytes for faces, such a trade off
997 * maps no sense. Instead, we actually really only use 12 bits for coordinates,
998 * and use the other 4 bits for other informatiion. For full documentation
999 * of what we send, see the doc/Protocol file.
1000 * I will describe internally what we do:
1001 * the ns->lastmap shows how the map last looked when sent to the client.
1002 * in the lastmap structure, there is a cells array, which is set to the
1003 * maximum viewable size (As set in config.h).
1004 * in the cells, there are faces and a count value.
1005 * we use the count value to hold the darkness value. If -1, then this space
1006 * is not viewable.
1007 * we use faces[0] faces[1] faces[2] to hold what the three layers
1008 * look like.
1009 */ 1018 */
1010void 1019void
1011draw_client_map1 (object *pl) 1020draw_client_map (player *pl)
1012{ 1021{
1022 object *ob = pl->observe;
1023 if (!ob->active)
1024 return;
1025
1026 maptile *plmap = ob->map;
1027
1028 /* If player is just joining the game, he isn't here yet, so the map
1029 * can get swapped out. If so, don't try to send them a map. All will
1030 * be OK once they really log in.
1031 */
1032 if (!plmap || plmap->in_memory != MAP_IN_MEMORY)
1033 return;
1034
1013 int x, y, ax, ay, startlen, max_x, max_y, oldlen; 1035 int x, y, ax, ay, startlen, max_x, max_y, oldlen;
1014 sint16 nx, ny; 1036 sint16 nx, ny;
1015 int estartlen, eoldlen; 1037 int estartlen, eoldlen;
1016 uint8 eentrysize; 1038 uint8 eentrysize;
1017 uint16 ewhatstart, ewhatflag; 1039 uint16 ewhatstart, ewhatflag;
1018 uint8 extendedinfos; 1040 uint8 extendedinfos;
1019 maptile *m; 1041 maptile *m;
1020 1042
1021 client &socket = *pl->contr->ns;
1022
1023 if (!pl->active)
1024 return;
1025
1026 check_map_change (pl->contr); 1043 check_map_change (pl);
1027 prefetch_surrounding_maps (pl); 1044 prefetch_surrounding_maps (pl->ob);
1045
1046 /* do LOS after calls to update_position */
1047 if (ob != pl->ob)
1048 clear_los (pl);
1049 else if (pl->do_los)
1050 {
1051 update_los (ob);
1052 pl->do_los = 0;
1053 }
1054
1055 /**
1056 * This function uses the new map1 protocol command to send the map
1057 * to the client. It is necessary because the old map command supports
1058 * a maximum map size of 15x15.
1059 * This function is much simpler than the old one. This is because
1060 * the old function optimized to send as few face identifiers as possible,
1061 * at the expense of sending more coordinate location (coordinates were
1062 * only 1 byte, faces 2 bytes, so this was a worthwhile savings). Since
1063 * we need 2 bytes for coordinates and 2 bytes for faces, such a trade off
1064 * maps no sense. Instead, we actually really only use 12 bits for coordinates,
1065 * and use the other 4 bits for other informatiion. For full documentation
1066 * of what we send, see the doc/Protocol file.
1067 * I will describe internally what we do:
1068 * the ns->lastmap shows how the map last looked when sent to the client.
1069 * in the lastmap structure, there is a cells array, which is set to the
1070 * maximum viewable size (As set in config.h).
1071 * in the cells, there are faces and a count value.
1072 * we use the count value to hold the darkness value. If -1, then this space
1073 * is not viewable.
1074 * we use faces[0] faces[1] faces[2] to hold what the three layers
1075 * look like.
1076 */
1077
1078 client &socket = *pl->ns;
1028 1079
1029 packet sl (socket.mapmode == Map1Cmd ? "map1" : "map1a"); 1080 packet sl (socket.mapmode == Map1Cmd ? "map1" : "map1a");
1030 packet esl; 1081 packet esl;
1031 1082
1032 startlen = sl.length (); 1083 startlen = sl.length ();
1056 ay = 0; 1107 ay = 0;
1057 1108
1058 /* We could do this logic as conditionals in the if statement, 1109 /* We could do this logic as conditionals in the if statement,
1059 * but that started to get a bit messy to look at. 1110 * but that started to get a bit messy to look at.
1060 */ 1111 */
1061 max_x = pl->x + (socket.mapx + 1) / 2; 1112 max_x = ob->x + (socket.mapx + 1) / 2;
1062 max_y = pl->y + (socket.mapy + 1) / 2; 1113 max_y = ob->y + (socket.mapy + 1) / 2;
1063 1114
1064 maptile *plmap = pl->map;
1065
1066 for (y = pl->y - socket.mapy / 2; y < max_y; y++, ay++) 1115 for (y = ob->y - socket.mapy / 2; y < max_y; y++, ay++)
1067 { 1116 {
1068 ax = 0; 1117 ax = 0;
1069 for (x = pl->x - socket.mapx / 2; x < max_x; x++, ax++) 1118 for (x = ob->x - socket.mapx / 2; x < max_x; x++, ax++)
1070 { 1119 {
1071 int emask, mask; 1120 int emask, mask;
1072 emask = mask = (ax & 0x3f) << 10 | (ay & 0x3f) << 4; 1121 emask = mask = (ax & 0x3f) << 10 | (ay & 0x3f) << 4;
1073 1122
1074 MapCell &lastcell = socket.lastmap.cells[ax][ay]; 1123 MapCell &lastcell = socket.lastmap.cells[ax][ay];
1095 continue; 1144 continue;
1096 } 1145 }
1097 1146
1098 m->touch (); 1147 m->touch ();
1099 1148
1100 int d = pl->contr->blocked_los[ax][ay]; 1149 int d = pl->blocked_los[ax][ay];
1101 1150
1102 if (d > 3) 1151 if (d > 3)
1103 { 1152 {
1104 1153
1105 int need_send = 0, count; 1154 int need_send = 0, count;
1187 || QUERY_FLAG (op, FLAG_MONSTER) || QUERY_FLAG (op, FLAG_ALIVE) || QUERY_FLAG (op, FLAG_GENERATOR)) 1236 || QUERY_FLAG (op, FLAG_MONSTER) || QUERY_FLAG (op, FLAG_ALIVE) || QUERY_FLAG (op, FLAG_GENERATOR))
1188 { 1237 {
1189 if (op->stats.maxhp > 0 && (unsigned) op->stats.maxhp > (unsigned) op->stats.hp) 1238 if (op->stats.maxhp > 0 && (unsigned) op->stats.maxhp > (unsigned) op->stats.hp)
1190 { 1239 {
1191 stat_hp = 255 - (op->stats.hp * 255 + 254) / op->stats.maxhp; 1240 stat_hp = 255 - (op->stats.hp * 255 + 254) / op->stats.maxhp;
1192 stat_width = op->arch->tail_x; 1241 stat_width = op->arch->max_x - op->arch->x; //TODO: should be upper-left edge
1193 } 1242 }
1194 } 1243 }
1195 1244
1196 if (op->msg && op->msg[0] == '@') 1245 if (op->msg && op->msg[0] == '@')
1197 flags |= 1; 1246 flags |= 1;
1198 1247
1199 if (op->type == PLAYER && op != pl) 1248 if (op->type == PLAYER && op != ob)
1200 player = op->count; 1249 player = op->count;
1201 } 1250 }
1202 1251
1203 if (lastcell.stat_hp != stat_hp) 1252 if (lastcell.stat_hp != stat_hp)
1204 { 1253 {
1248 1297
1249 /* Middle face */ 1298 /* Middle face */
1250 if (update_space (sl, socket, ms, lastcell, 1)) 1299 if (update_space (sl, socket, ms, lastcell, 1))
1251 mask |= 0x2; 1300 mask |= 0x2;
1252 1301
1253 if (ms.player () == pl 1302 if (ms.player () == ob
1254 && (pl->invisible & (pl->invisible < 50 ? 1 : 7))) 1303 && (ob->invisible & (ob->invisible < 50 ? 1 : 7)))
1255 { 1304 {
1256 // force player to be visible to himself if invisible 1305 // force player to be visible to himself if invisible
1257 if (lastcell.faces[0] != pl->face) 1306 if (lastcell.faces[0] != ob->face)
1258 { 1307 {
1259 lastcell.faces[0] = pl->face; 1308 lastcell.faces[0] = ob->face;
1260 1309
1261 mask |= 0x1; 1310 mask |= 0x1;
1262 sl << uint16 (pl->face); 1311 sl << uint16 (ob->face);
1263 1312
1264 socket.send_faces (pl); 1313 socket.send_faces (ob);
1265 } 1314 }
1266 } 1315 }
1267 /* Top face */ 1316 /* Top face */
1268 else if (update_space (sl, socket, ms, lastcell, 0)) 1317 else if (update_space (sl, socket, ms, lastcell, 0))
1269 mask |= 0x1; 1318 mask |= 0x1;
1270
1271 1319
1272 /* Check to see if we are in fact sending anything for this 1320 /* Check to see if we are in fact sending anything for this
1273 * space by checking the mask. If so, update the mask. 1321 * space by checking the mask. If so, update the mask.
1274 * if not, reset the len to that from before adding the mask 1322 * if not, reset the len to that from before adding the mask
1275 * value, so we don't send those bits. 1323 * value, so we don't send those bits.
1334 socket.send_packet (sl); 1382 socket.send_packet (sl);
1335 socket.sent_scroll = 0; 1383 socket.sent_scroll = 0;
1336 } 1384 }
1337} 1385}
1338 1386
1339/**
1340 * Draws client map.
1341 */
1342void
1343draw_client_map (object *pl)
1344{
1345 int i, j;
1346 sint16 ax, ay; /* ax and ay goes from 0 to max-size of arrays */
1347 int mflags;
1348 struct Map newmap;
1349 maptile *m, *pm;
1350
1351 if (pl->type != PLAYER)
1352 {
1353 LOG (llevError, "draw_client_map called with non player/non eric-server\n");
1354 return;
1355 }
1356
1357 pm = pl->map;
1358
1359 /* If player is just joining the game, he isn't here yet, so the map
1360 * can get swapped out. If so, don't try to send them a map. All will
1361 * be OK once they really log in.
1362 */
1363 if (pm == NULL || pm->in_memory != MAP_IN_MEMORY)
1364 return;
1365
1366 memset (&newmap, 0, sizeof (struct Map));
1367
1368 for (j = (pl->y - pl->contr->ns->mapy / 2); j < (pl->y + (pl->contr->ns->mapy + 1) / 2); j++)
1369 for (i = (pl->x - pl->contr->ns->mapx / 2); i < (pl->x + (pl->contr->ns->mapx + 1) / 2); i++)
1370 {
1371 ax = i;
1372 ay = j;
1373 m = pm;
1374 mflags = get_map_flags (m, &m, ax, ay, &ax, &ay);
1375
1376 if (mflags & P_OUT_OF_MAP)
1377 continue;
1378
1379 /* If a map is visible to the player, we don't want to swap it out
1380 * just to reload it. This should really call something like
1381 * swap_map, but this is much more efficient and 'good enough'
1382 */
1383 if (mflags & P_NEW_MAP)
1384 m->timeout = 50;
1385 }
1386
1387 /* do LOS after calls to update_position */
1388 if (pl->contr->do_los)
1389 {
1390 update_los (pl);
1391 pl->contr->do_los = 0;
1392 }
1393
1394 /* Big maps need a different drawing mechanism to work */
1395 draw_client_map1 (pl);
1396}
1397
1398
1399/*****************************************************************************/ 1387/*****************************************************************************/
1400
1401/* GROS: The following one is used to allow a plugin to send a generic cmd to*/ 1388/* GROS: The following one is used to allow a plugin to send a generic cmd to*/
1402
1403/* a player. Of course, the client need to know the command to be able to */ 1389/* a player. Of course, the client need to know the command to be able to */
1404
1405/* manage it ! */ 1390/* manage it ! */
1406
1407/*****************************************************************************/ 1391/*****************************************************************************/
1408void 1392void
1409send_plugin_custom_message (object *pl, char *buf) 1393send_plugin_custom_message (object *pl, char *buf)
1410{ 1394{
1411 pl->contr->ns->send_packet (buf); 1395 pl->contr->ns->send_packet (buf);

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