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Comparing deliantra/server/socket/request.C (file contents):
Revision 1.94 by root, Thu May 3 09:26:45 2007 UTC vs.
Revision 1.104 by root, Tue Jun 5 13:05:03 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.
730 727
731/** 728/**
732 * Get player's current range attack in obuf. 729 * Get player's current range attack in obuf.
733 */ 730 */
734static void 731static void
735rangetostring (object *ob, char *obuf) 732rangetostring (player *pl, char *obuf)
736{ 733{
737 dynbuf_text buf; 734 dynbuf_text buf;
738 735
739 player *pl = ob->contr;
740
741 if (pl->ranged_ob) 736 if (pl->ranged_ob)
742 buf << " Range: " << pl->ranged_ob->name; 737 buf << " Range" << (pl->ob->current_weapon == pl->ranged_ob ? "*" : "") << ": " << pl->ranged_ob->name;
743 738
744 if (pl->combat_ob) 739 if (pl->combat_ob)
745 buf << " Combat: " << pl->combat_ob->name; 740 buf << " Combat" << (pl->ob->current_weapon == pl->combat_ob ? "*" : "") << ": " << pl->combat_ob->name;
746 741
742#if 0
743 //TODO: remove this when slot system is working, this is only for debugging
744 if (pl->ob->chosen_skill)
745 buf << " Skill*: " << pl->ob->chosen_skill->name;
746#endif
747
748 //TODO: maybe golem should become the current_weapon, quite simply?
747 if (pl->golem) 749 if (pl->golem)
748 buf << " Golem: " << pl->golem->name; 750 buf << " Golem*: " << pl->golem->name;
749 751
750 buf.linearise (obuf); 752 buf.linearise (obuf);
751 obuf [buf.size ()] = 0; 753 obuf [buf.size ()] = 0;
752} 754}
753 755
764#define AddIfShort(Old,New,Type) if (Old != New) {\ 766#define AddIfShort(Old,New,Type) if (Old != New) {\
765 Old = New; \ 767 Old = New; \
766 sl << uint8 (Type) << uint16 (New); \ 768 sl << uint8 (Type) << uint16 (New); \
767 } 769 }
768 770
769#define AddIfFloat(Old,New,Type) if (Old != New) {\ 771#define AddIfFloat(Old,New,Type,mult) if (Old != New) {\
770 Old = New; \ 772 Old = New; \
771 sl << uint8 (Type) << uint32 (New*FLOAT_MULTI); \ 773 sl << uint8 (Type) << uint32 (New*FLOAT_MULTI*mult); \
772 } 774 }
773 775
774#define AddIfString(Old,New,Type) if (Old == NULL || strcmp(Old,New)) {\ 776#define AddIfString(Old,New,Type) if (Old == NULL || strcmp(Old,New)) {\
775 free(Old); Old = strdup (New);\ 777 free(Old); Old = strdup (New);\
776 sl << uint8 (Type) << data8 (New); \ 778 sl << uint8 (Type) << data8 (New); \
790 792
791 client *ns = pl->ns; 793 client *ns = pl->ns;
792 if (!ns) 794 if (!ns)
793 return; 795 return;
794 796
795 object *ob = pl->ob; 797 object *ob = pl->observe;
796 if (!ob) 798 if (!ob)
797 return; 799 return;
798 800
799 packet sl ("stats"); 801 packet sl ("stats");
800 802
829 AddIfInt64 (ns->last_stats.exp, ob->stats.exp, CS_STAT_EXP64); 831 AddIfInt64 (ns->last_stats.exp, ob->stats.exp, CS_STAT_EXP64);
830 AddIfShort (ns->last_level, ob->level, CS_STAT_LEVEL); 832 AddIfShort (ns->last_level, ob->level, CS_STAT_LEVEL);
831 AddIfShort (ns->last_stats.wc, ob->stats.wc, CS_STAT_WC); 833 AddIfShort (ns->last_stats.wc, ob->stats.wc, CS_STAT_WC);
832 AddIfShort (ns->last_stats.ac, ob->stats.ac, CS_STAT_AC); 834 AddIfShort (ns->last_stats.ac, ob->stats.ac, CS_STAT_AC);
833 AddIfShort (ns->last_stats.dam, ob->stats.dam, CS_STAT_DAM); 835 AddIfShort (ns->last_stats.dam, ob->stats.dam, CS_STAT_DAM);
834 AddIfFloat (ns->last_speed, ob->speed, CS_STAT_SPEED); 836 AddIfFloat (ns->last_speed, ob->speed, CS_STAT_SPEED, 1.f/TICK);
835 AddIfShort (ns->last_stats.food, ob->stats.food, CS_STAT_FOOD); 837 AddIfShort (ns->last_stats.food, ob->stats.food, CS_STAT_FOOD);
836 AddIfFloat (ns->last_weapon_sp, pl->weapon_sp, CS_STAT_WEAP_SP); 838 AddIfFloat (ns->last_weapon_sp, pl->weapon_sp, CS_STAT_WEAP_SP, 1.f/TICK);
837 AddIfInt (ns->last_weight_limit, weight_limit[ob->stats.Str], CS_STAT_WEIGHT_LIM); 839 AddIfInt (ns->last_weight_limit, weight_limit[ob->stats.Str], CS_STAT_WEIGHT_LIM);
838 840
839 flags = 0; 841 flags = 0;
840 842
841 if (pl->fire_on) 843 if (pl->fire_on)
863 AddIfInt (ns->last_path_attuned, ob->path_attuned, CS_STAT_SPELL_ATTUNE); 865 AddIfInt (ns->last_path_attuned, ob->path_attuned, CS_STAT_SPELL_ATTUNE);
864 AddIfInt (ns->last_path_repelled, ob->path_repelled, CS_STAT_SPELL_REPEL); 866 AddIfInt (ns->last_path_repelled, ob->path_repelled, CS_STAT_SPELL_REPEL);
865 AddIfInt (ns->last_path_denied, ob->path_denied, CS_STAT_SPELL_DENY); 867 AddIfInt (ns->last_path_denied, ob->path_denied, CS_STAT_SPELL_DENY);
866 } 868 }
867 869
868 rangetostring (ob, buf); /* we want use the new fire & run system in new client */ 870 rangetostring (pl, buf); /* we want use the new fire & run system in new client */
869 AddIfString (ns->stats.range, buf, CS_STAT_RANGE); 871 AddIfString (ns->stats.range, buf, CS_STAT_RANGE);
870 set_title (ob, buf); 872 set_title (ob, buf);
871 AddIfString (ns->stats.title, buf, CS_STAT_TITLE); 873 AddIfString (ns->stats.title, buf, CS_STAT_TITLE);
872 874
873 /* Only send it away if we have some actual data */ 875 /* Only send it away if we have some actual data */
1007{ 1009{
1008 prefetch_surrounding_maps (op->map, 3); 1010 prefetch_surrounding_maps (op->map, 3);
1009} 1011}
1010 1012
1011/** 1013/**
1012 * This function uses the new map1 protocol command to send the map 1014 * Draws client map.
1013 * to the client. It is necessary because the old map command supports
1014 * a maximum map size of 15x15.
1015 * This function is much simpler than the old one. This is because
1016 * the old function optimized to send as few face identifiers as possible,
1017 * at the expense of sending more coordinate location (coordinates were
1018 * only 1 byte, faces 2 bytes, so this was a worthwhile savings). Since
1019 * we need 2 bytes for coordinates and 2 bytes for faces, such a trade off
1020 * maps no sense. Instead, we actually really only use 12 bits for coordinates,
1021 * and use the other 4 bits for other informatiion. For full documentation
1022 * of what we send, see the doc/Protocol file.
1023 * I will describe internally what we do:
1024 * the ns->lastmap shows how the map last looked when sent to the client.
1025 * in the lastmap structure, there is a cells array, which is set to the
1026 * maximum viewable size (As set in config.h).
1027 * in the cells, there are faces and a count value.
1028 * we use the count value to hold the darkness value. If -1, then this space
1029 * is not viewable.
1030 * we use faces[0] faces[1] faces[2] to hold what the three layers
1031 * look like.
1032 */ 1015 */
1033void 1016void
1034draw_client_map1 (object *pl) 1017draw_client_map (player *pl)
1035{ 1018{
1019 object *ob = pl->observe;
1020 if (!ob->active)
1021 return;
1022
1023 maptile *plmap = ob->map;
1024
1025 /* 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
1027 * be OK once they really log in.
1028 */
1029 if (!plmap || plmap->in_memory != MAP_IN_MEMORY)
1030 return;
1031
1036 int x, y, ax, ay, startlen, max_x, max_y, oldlen; 1032 int x, y, ax, ay, startlen, max_x, max_y, oldlen;
1037 sint16 nx, ny; 1033 sint16 nx, ny;
1038 int estartlen, eoldlen; 1034 int estartlen, eoldlen;
1039 uint8 eentrysize; 1035 uint8 eentrysize;
1040 uint16 ewhatstart, ewhatflag; 1036 uint16 ewhatstart, ewhatflag;
1041 uint8 extendedinfos; 1037 uint8 extendedinfos;
1042 maptile *m; 1038 maptile *m;
1043 1039
1044 client &socket = *pl->contr->ns;
1045
1046 if (!pl->active)
1047 return;
1048
1049 check_map_change (pl->contr); 1040 check_map_change (pl);
1050 prefetch_surrounding_maps (pl); 1041 prefetch_surrounding_maps (pl->ob);
1042
1043 /* do LOS after calls to update_position */
1044 if (ob != pl->ob)
1045 clear_los (pl);
1046 else if (pl->do_los)
1047 {
1048 update_los (ob);
1049 pl->do_los = 0;
1050 }
1051
1052 /**
1053 * 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
1055 * a maximum map size of 15x15.
1056 * This function is much simpler than the old one. This is because
1057 * the old function optimized to send as few face identifiers as possible,
1058 * at the expense of sending more coordinate location (coordinates were
1059 * only 1 byte, faces 2 bytes, so this was a worthwhile savings). Since
1060 * we need 2 bytes for coordinates and 2 bytes for faces, such a trade off
1061 * maps no sense. Instead, we actually really only use 12 bits for coordinates,
1062 * and use the other 4 bits for other informatiion. For full documentation
1063 * of what we send, see the doc/Protocol file.
1064 * I will describe internally what we do:
1065 * the ns->lastmap shows how the map last looked when sent to the client.
1066 * in the lastmap structure, there is a cells array, which is set to the
1067 * maximum viewable size (As set in config.h).
1068 * in the cells, there are faces and a count value.
1069 * we use the count value to hold the darkness value. If -1, then this space
1070 * is not viewable.
1071 * we use faces[0] faces[1] faces[2] to hold what the three layers
1072 * look like.
1073 */
1074
1075 client &socket = *pl->ns;
1051 1076
1052 packet sl (socket.mapmode == Map1Cmd ? "map1" : "map1a"); 1077 packet sl (socket.mapmode == Map1Cmd ? "map1" : "map1a");
1053 packet esl; 1078 packet esl;
1054 1079
1055 startlen = sl.length (); 1080 startlen = sl.length ();
1079 ay = 0; 1104 ay = 0;
1080 1105
1081 /* We could do this logic as conditionals in the if statement, 1106 /* We could do this logic as conditionals in the if statement,
1082 * but that started to get a bit messy to look at. 1107 * but that started to get a bit messy to look at.
1083 */ 1108 */
1084 max_x = pl->x + (socket.mapx + 1) / 2; 1109 max_x = ob->x + (socket.mapx + 1) / 2;
1085 max_y = pl->y + (socket.mapy + 1) / 2; 1110 max_y = ob->y + (socket.mapy + 1) / 2;
1086 1111
1087 maptile *plmap = pl->map;
1088
1089 for (y = pl->y - socket.mapy / 2; y < max_y; y++, ay++) 1112 for (y = ob->y - socket.mapy / 2; y < max_y; y++, ay++)
1090 { 1113 {
1091 ax = 0; 1114 ax = 0;
1092 for (x = pl->x - socket.mapx / 2; x < max_x; x++, ax++) 1115 for (x = ob->x - socket.mapx / 2; x < max_x; x++, ax++)
1093 { 1116 {
1094 int emask, mask; 1117 int emask, mask;
1095 emask = mask = (ax & 0x3f) << 10 | (ay & 0x3f) << 4; 1118 emask = mask = (ax & 0x3f) << 10 | (ay & 0x3f) << 4;
1096 1119
1097 MapCell &lastcell = socket.lastmap.cells[ax][ay]; 1120 MapCell &lastcell = socket.lastmap.cells[ax][ay];
1118 continue; 1141 continue;
1119 } 1142 }
1120 1143
1121 m->touch (); 1144 m->touch ();
1122 1145
1123 int d = pl->contr->blocked_los[ax][ay]; 1146 int d = pl->blocked_los[ax][ay];
1124 1147
1125 if (d > 3) 1148 if (d > 3)
1126 { 1149 {
1127 1150
1128 int need_send = 0, count; 1151 int need_send = 0, count;
1210 || QUERY_FLAG (op, FLAG_MONSTER) || QUERY_FLAG (op, FLAG_ALIVE) || QUERY_FLAG (op, FLAG_GENERATOR)) 1233 || QUERY_FLAG (op, FLAG_MONSTER) || QUERY_FLAG (op, FLAG_ALIVE) || QUERY_FLAG (op, FLAG_GENERATOR))
1211 { 1234 {
1212 if (op->stats.maxhp > 0 && (unsigned) op->stats.maxhp > (unsigned) op->stats.hp) 1235 if (op->stats.maxhp > 0 && (unsigned) op->stats.maxhp > (unsigned) op->stats.hp)
1213 { 1236 {
1214 stat_hp = 255 - (op->stats.hp * 255 + 254) / op->stats.maxhp; 1237 stat_hp = 255 - (op->stats.hp * 255 + 254) / op->stats.maxhp;
1215 stat_width = op->arch->tail_x; 1238 stat_width = op->arch->max_x - op->arch->x; //TODO: should be upper-left edge
1216 } 1239 }
1217 } 1240 }
1218 1241
1219 if (op->msg && op->msg[0] == '@') 1242 if (op->msg && op->msg[0] == '@')
1220 flags |= 1; 1243 flags |= 1;
1221 1244
1222 if (op->type == PLAYER && op != pl) 1245 if (op->type == PLAYER && op != ob)
1223 player = op->count; 1246 player = op->count;
1224 } 1247 }
1225 1248
1226 if (lastcell.stat_hp != stat_hp) 1249 if (lastcell.stat_hp != stat_hp)
1227 { 1250 {
1271 1294
1272 /* Middle face */ 1295 /* Middle face */
1273 if (update_space (sl, socket, ms, lastcell, 1)) 1296 if (update_space (sl, socket, ms, lastcell, 1))
1274 mask |= 0x2; 1297 mask |= 0x2;
1275 1298
1276 if (ms.player () == pl 1299 if (ms.player () == ob
1277 && (pl->invisible & (pl->invisible < 50 ? 1 : 7))) 1300 && (ob->invisible & (ob->invisible < 50 ? 1 : 7)))
1278 { 1301 {
1279 // force player to be visible to himself if invisible 1302 // force player to be visible to himself if invisible
1280 if (lastcell.faces[0] != pl->face) 1303 if (lastcell.faces[0] != ob->face)
1281 { 1304 {
1282 lastcell.faces[0] = pl->face; 1305 lastcell.faces[0] = ob->face;
1283 1306
1284 mask |= 0x1; 1307 mask |= 0x1;
1285 sl << uint16 (pl->face); 1308 sl << uint16 (ob->face);
1286 1309
1287 socket.send_faces (pl); 1310 socket.send_faces (ob);
1288 } 1311 }
1289 } 1312 }
1290 /* Top face */ 1313 /* Top face */
1291 else if (update_space (sl, socket, ms, lastcell, 0)) 1314 else if (update_space (sl, socket, ms, lastcell, 0))
1292 mask |= 0x1; 1315 mask |= 0x1;
1293
1294 1316
1295 /* Check to see if we are in fact sending anything for this 1317 /* Check to see if we are in fact sending anything for this
1296 * space by checking the mask. If so, update the mask. 1318 * space by checking the mask. If so, update the mask.
1297 * if not, reset the len to that from before adding the mask 1319 * if not, reset the len to that from before adding the mask
1298 * value, so we don't send those bits. 1320 * value, so we don't send those bits.
1357 socket.send_packet (sl); 1379 socket.send_packet (sl);
1358 socket.sent_scroll = 0; 1380 socket.sent_scroll = 0;
1359 } 1381 }
1360} 1382}
1361 1383
1362/**
1363 * Draws client map.
1364 */
1365void
1366draw_client_map (object *pl)
1367{
1368 int i, j;
1369 sint16 ax, ay; /* ax and ay goes from 0 to max-size of arrays */
1370 int mflags;
1371 struct Map newmap;
1372 maptile *m, *pm;
1373
1374 if (pl->type != PLAYER)
1375 {
1376 LOG (llevError, "draw_client_map called with non player/non eric-server\n");
1377 return;
1378 }
1379
1380 pm = pl->map;
1381
1382 /* If player is just joining the game, he isn't here yet, so the map
1383 * can get swapped out. If so, don't try to send them a map. All will
1384 * be OK once they really log in.
1385 */
1386 if (pm == NULL || pm->in_memory != MAP_IN_MEMORY)
1387 return;
1388
1389 memset (&newmap, 0, sizeof (struct Map));
1390
1391 for (j = (pl->y - pl->contr->ns->mapy / 2); j < (pl->y + (pl->contr->ns->mapy + 1) / 2); j++)
1392 for (i = (pl->x - pl->contr->ns->mapx / 2); i < (pl->x + (pl->contr->ns->mapx + 1) / 2); i++)
1393 {
1394 ax = i;
1395 ay = j;
1396 m = pm;
1397 mflags = get_map_flags (m, &m, ax, ay, &ax, &ay);
1398
1399 if (mflags & P_OUT_OF_MAP)
1400 continue;
1401
1402 /* If a map is visible to the player, we don't want to swap it out
1403 * just to reload it. This should really call something like
1404 * swap_map, but this is much more efficient and 'good enough'
1405 */
1406 if (mflags & P_NEW_MAP)
1407 m->timeout = 50;
1408 }
1409
1410 /* do LOS after calls to update_position */
1411 if (pl->contr->do_los)
1412 {
1413 update_los (pl);
1414 pl->contr->do_los = 0;
1415 }
1416
1417 /* Big maps need a different drawing mechanism to work */
1418 draw_client_map1 (pl);
1419}
1420
1421
1422/*****************************************************************************/ 1384/*****************************************************************************/
1423
1424/* GROS: The following one is used to allow a plugin to send a generic cmd to*/ 1385/* GROS: The following one is used to allow a plugin to send a generic cmd to*/
1425
1426/* a player. Of course, the client need to know the command to be able to */ 1386/* a player. Of course, the client need to know the command to be able to */
1427
1428/* manage it ! */ 1387/* manage it ! */
1429
1430/*****************************************************************************/ 1388/*****************************************************************************/
1431void 1389void
1432send_plugin_custom_message (object *pl, char *buf) 1390send_plugin_custom_message (object *pl, char *buf)
1433{ 1391{
1434 pl->contr->ns->send_packet (buf); 1392 pl->contr->ns->send_packet (buf);

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