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Comparing deliantra/server/socket/request.C (file contents):
Revision 1.60 by root, Sun Jan 7 02:39:15 2007 UTC vs.
Revision 1.70 by root, Sun Mar 11 21:26:05 2007 UTC

1/* 1/*
2 CrossFire, A Multiplayer game for X-windows 2 * CrossFire, A Multiplayer game for X-windows
3 3 *
4 Copyright (C) 2005, 2006, 2007 Marc Lehmann & Crossfire+ Development Team 4 * Copyright (C) 2005, 2006, 2007 Marc Lehmann & Crossfire+ Development Team
5 Copyright (C) 2001 Mark Wedel 5 * Copyright (C) 2001 Mark Wedel
6 Copyright (C) 1992 Frank Tore Johansen 6 * Copyright (C) 1992 Frank Tore Johansen
7 7 *
8 This program is free software; you can redistribute it and/or modify 8 * This program 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 2 of the License, or 10 * the Free Software Foundation; either version 2 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,
14 but WITHOUT ANY WARRANTY; without even the implied warranty of 14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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, write to the Free Software 19 * along with this program; if not, write to the Free Software
20 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 20 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
21 21 *
22 The author can be reached via e-mail to <crossfire@schmorp.de> 22 * The author 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.
28 * 28 *
… …
36 * have the prototype of (char *data, int datalen, int client_num). This 36 * have the prototype of (char *data, int datalen, int client_num). This
37 * way, we can use one dispatch table. 37 * way, we can use one dispatch table.
38 * 38 *
39 * esrv_map_new starts updating the map 39 * esrv_map_new starts updating the map
40 * 40 *
41 * esrv_map_setbelow allows filling in all of the faces for the map.
42 * if a face has not already been sent to the client, it is sent now.
43 *
44 */ 41 */
45 42
46#include <global.h> 43#include <global.h>
47#include <sproto.h> 44#include <sproto.h>
48 45
… …
147 pl->ns->send_packet ("newmap"); 144 pl->ns->send_packet ("newmap");
148 145
149 pl->ns->floorbox_reset (); 146 pl->ns->floorbox_reset ();
150} 147}
151 148
152/** check for map change and send new map data */ 149/** check for map/region change and send new map data */
153static void 150static void
154check_map_change (player *pl) 151check_map_change (player *pl)
155{ 152{
156 client &socket = *pl->ns; 153 client &socket = *pl->ns;
157 object *ob = pl->ob; 154 object *ob = pl->ob;
… …
201 } 198 }
202 } 199 }
203 200
204 socket.current_x = ob->x; 201 socket.current_x = ob->x;
205 socket.current_y = ob->y; 202 socket.current_y = ob->y;
203
204 region *reg = ob->region ();
205 if (socket.current_region != reg)
206 {
207 socket.current_region = reg;
208 socket.send_packet_printf ("drawinfo 0 You are now %s.\n(use whereami for more details)", &reg->longname);
209 }
206} 210}
207 211
208/** 212/**
209 * RequestInfo is sort of a meta command. There is some specific 213 * RequestInfo is sort of a meta command. There is some specific
210 * request of information, but we call other functions to provide 214 * request of information, but we call other functions to provide
… …
701 uint16 smoothface; 705 uint16 smoothface;
702 706
703 /* If we can't find a face, return and set it so we won't try to send this 707 /* If we can't find a face, return and set it so we won't try to send this
704 * again. 708 * again.
705 */ 709 */
706 if ((!FindSmooth (face, &smoothface)) && (!FindSmooth (smooth_face->number, &smoothface))) 710 if (!FindSmooth (face, &smoothface))
707 { 711 {
708 712
709 LOG (llevError, "could not findsmooth for %d. Neither default (%s)\n", face, &smooth_face->name); 713 LOG (llevError, "could not findsmooth for %d.\n", face);
710 ns->faces_sent[face] |= NS_FACESENT_SMOOTH; 714 ns->faces_sent[face] |= NS_FACESENT_SMOOTH;
711 return; 715 return;
712 } 716 }
713 717
714 if (!(ns->faces_sent[smoothface] & NS_FACESENT_FACE)) 718 if (!(ns->faces_sent[smoothface] & NS_FACESENT_FACE))
… …
722 << uint16 (smoothface); 726 << uint16 (smoothface);
723 727
724 ns->send_packet (sl); 728 ns->send_packet (sl);
725} 729}
726 730
727 /** 731/**
728 * Tells client the picture it has to use 732 * Tells client the picture it has to use
729 * to smooth a picture number given as argument. 733 * to smooth a picture number given as argument.
730 */ 734 */
731void 735void
732AskSmooth (char *buf, int len, client *ns) 736AskSmooth (char *buf, int len, client *ns)
733{ 737{
734 SendSmooth (ns, atoi (buf)); 738 SendSmooth (ns, atoi (buf));
735} 739}
… …
798 * commands. 802 * commands.
799 */ 803 */
800 pl->count = 0; 804 pl->count = 0;
801 805
802 //TODO: schmorp thinks whatever this calculates, it makes no sense at all 806 //TODO: schmorp thinks whatever this calculates, it makes no sense at all
803 int time = FABS (pl->ob->speed) < 0.001 807 int time = fabs (pl->ob->speed) < 0.001
804 ? time = MAX_TIME * 100 808 ? time = MAX_TIME * 100
805 : time = (int) (MAX_TIME / FABS (pl->ob->speed)); 809 : time = (int) (MAX_TIME / fabs (pl->ob->speed));
806 810
807 /* Send confirmation of command execution now */ 811 /* Send confirmation of command execution now */
808 packet sl ("comc"); 812 packet sl ("comc");
809 sl << uint16 (cmdid) << uint32 (time); 813 sl << uint16 (cmdid) << uint32 (time);
810 pl->ns->send_packet (sl); 814 pl->ns->send_packet (sl);
… …
1007esrv_update_stats (player *pl) 1011esrv_update_stats (player *pl)
1008{ 1012{
1009 char buf[MAX_BUF]; 1013 char buf[MAX_BUF];
1010 uint16 flags; 1014 uint16 flags;
1011 1015
1016 client *ns = pl->ns;
1012 if (!pl->ns) 1017 if (!ns)
1013 return; 1018 return;
1014 1019
1020 object *ob = pl->ob;
1021 if (!ob)
1022 return;
1023
1015 packet sl ("stats"); 1024 packet sl ("stats");
1016 1025
1017 if (pl->ob)
1018 {
1019 AddIfShort (pl->last_stats.hp, pl->ob->stats.hp, CS_STAT_HP); 1026 AddIfShort (ns->last_stats.hp, ob->stats.hp, CS_STAT_HP);
1020 AddIfShort (pl->last_stats.maxhp, pl->ob->stats.maxhp, CS_STAT_MAXHP); 1027 AddIfShort (ns->last_stats.maxhp, ob->stats.maxhp, CS_STAT_MAXHP);
1021 AddIfShort (pl->last_stats.sp, pl->ob->stats.sp, CS_STAT_SP); 1028 AddIfShort (ns->last_stats.sp, ob->stats.sp, CS_STAT_SP);
1022 AddIfShort (pl->last_stats.maxsp, pl->ob->stats.maxsp, CS_STAT_MAXSP); 1029 AddIfShort (ns->last_stats.maxsp, ob->stats.maxsp, CS_STAT_MAXSP);
1023 AddIfShort (pl->last_stats.grace, pl->ob->stats.grace, CS_STAT_GRACE); 1030 AddIfShort (ns->last_stats.grace, ob->stats.grace, CS_STAT_GRACE);
1024 AddIfShort (pl->last_stats.maxgrace, pl->ob->stats.maxgrace, CS_STAT_MAXGRACE); 1031 AddIfShort (ns->last_stats.maxgrace, ob->stats.maxgrace, CS_STAT_MAXGRACE);
1025 AddIfShort (pl->last_stats.Str, pl->ob->stats.Str, CS_STAT_STR); 1032 AddIfShort (ns->last_stats.Str, ob->stats.Str, CS_STAT_STR);
1026 AddIfShort (pl->last_stats.Dex, pl->ob->stats.Dex, CS_STAT_DEX); 1033 AddIfShort (ns->last_stats.Dex, ob->stats.Dex, CS_STAT_DEX);
1027 AddIfShort (pl->last_stats.Con, pl->ob->stats.Con, CS_STAT_CON); 1034 AddIfShort (ns->last_stats.Con, ob->stats.Con, CS_STAT_CON);
1028 AddIfShort (pl->last_stats.Int, pl->ob->stats.Int, CS_STAT_INT); 1035 AddIfShort (ns->last_stats.Int, ob->stats.Int, CS_STAT_INT);
1029 AddIfShort (pl->last_stats.Wis, pl->ob->stats.Wis, CS_STAT_WIS); 1036 AddIfShort (ns->last_stats.Wis, ob->stats.Wis, CS_STAT_WIS);
1030 AddIfShort (pl->last_stats.Pow, pl->ob->stats.Pow, CS_STAT_POW); 1037 AddIfShort (ns->last_stats.Pow, ob->stats.Pow, CS_STAT_POW);
1031 AddIfShort (pl->last_stats.Cha, pl->ob->stats.Cha, CS_STAT_CHA); 1038 AddIfShort (ns->last_stats.Cha, ob->stats.Cha, CS_STAT_CHA);
1032 }
1033 1039
1034 for (int s = 0; s < NUM_SKILLS; s++) 1040 for (int s = 0; s < NUM_SKILLS; s++)
1035 if (pl->last_skill_ob[s] && pl->last_skill_exp[s] != pl->last_skill_ob[s]->stats.exp) 1041 if (object *skill = pl->last_skill_ob[s])
1042 if (skill->stats.exp != ns->last_skill_exp [s])
1036 { 1043 {
1044 ns->last_skill_exp [s] = skill->stats.exp;
1045
1037 /* Always send along the level if exp changes. This is only 1046 /* Always send along the level if exp changes. This is only
1038 * 1 extra byte, but keeps processing simpler. 1047 * 1 extra byte, but keeps processing simpler.
1039 */ 1048 */
1040 sl << uint8 (s + CS_STAT_SKILLINFO) 1049 sl << uint8 (s + CS_STAT_SKILLINFO)
1041 << uint8 (pl->last_skill_ob[s]->level) 1050 << uint8 (skill->level)
1042 << uint64 (pl->last_skill_ob[s]->stats.exp); 1051 << uint64 (skill->stats.exp);
1043
1044 pl->last_skill_exp[s] = pl->last_skill_ob[s]->stats.exp;
1045 } 1052 }
1046 1053
1047 AddIfInt64 (pl->last_stats.exp, pl->ob->stats.exp, CS_STAT_EXP64); 1054 AddIfInt64 (ns->last_stats.exp, ob->stats.exp, CS_STAT_EXP64);
1048 AddIfShort (pl->last_level, (char) pl->ob->level, CS_STAT_LEVEL); 1055 AddIfShort (ns->last_level, ob->level, CS_STAT_LEVEL);
1049 AddIfShort (pl->last_stats.wc, pl->ob->stats.wc, CS_STAT_WC); 1056 AddIfShort (ns->last_stats.wc, ob->stats.wc, CS_STAT_WC);
1050 AddIfShort (pl->last_stats.ac, pl->ob->stats.ac, CS_STAT_AC); 1057 AddIfShort (ns->last_stats.ac, ob->stats.ac, CS_STAT_AC);
1051 AddIfShort (pl->last_stats.dam, pl->ob->stats.dam, CS_STAT_DAM); 1058 AddIfShort (ns->last_stats.dam, ob->stats.dam, CS_STAT_DAM);
1052 AddIfFloat (pl->last_speed, pl->ob->speed, CS_STAT_SPEED); 1059 AddIfFloat (ns->last_speed, ob->speed, CS_STAT_SPEED);
1053 AddIfShort (pl->last_stats.food, pl->ob->stats.food, CS_STAT_FOOD); 1060 AddIfShort (ns->last_stats.food, ob->stats.food, CS_STAT_FOOD);
1054 AddIfFloat (pl->last_weapon_sp, pl->weapon_sp, CS_STAT_WEAP_SP); 1061 AddIfFloat (ns->last_weapon_sp, pl->weapon_sp, CS_STAT_WEAP_SP);
1055 AddIfInt (pl->last_weight_limit, (sint32) weight_limit[pl->ob->stats.Str], CS_STAT_WEIGHT_LIM); 1062 AddIfInt (ns->last_weight_limit, weight_limit[ob->stats.Str], CS_STAT_WEIGHT_LIM);
1063
1056 flags = 0; 1064 flags = 0;
1057 1065
1058 if (pl->fire_on) 1066 if (pl->fire_on)
1059 flags |= SF_FIREON; 1067 flags |= SF_FIREON;
1060 1068
1061 if (pl->run_on) 1069 if (pl->run_on)
1062 flags |= SF_RUNON; 1070 flags |= SF_RUNON;
1063 1071
1064 AddIfShort (pl->last_flags, flags, CS_STAT_FLAGS); 1072 AddIfShort (ns->last_flags, flags, CS_STAT_FLAGS);
1065 1073
1066 if (pl->ns->sc_version < 1025) 1074 if (ns->sc_version < 1025)
1067 { AddIfShort (pl->last_resist[ATNR_PHYSICAL], pl->ob->resist[ATNR_PHYSICAL], CS_STAT_ARMOUR) } 1075 { AddIfShort (ns->last_resist[ATNR_PHYSICAL], ob->resist[ATNR_PHYSICAL], CS_STAT_ARMOUR) }
1068 else 1076 else
1069 for (int i = 0; i < NROFATTACKS; i++) 1077 for (int i = 0; i < NROFATTACKS; i++)
1070 { 1078 {
1071 /* Skip ones we won't send */ 1079 /* Skip ones we won't send */
1072 if (atnr_cs_stat[i] == -1) 1080 if (atnr_cs_stat[i] == -1)
1073 continue; 1081 continue;
1074 1082
1075 AddIfShort (pl->last_resist[i], pl->ob->resist[i], (char) atnr_cs_stat[i]); 1083 AddIfShort (ns->last_resist[i], ob->resist[i], atnr_cs_stat[i]);
1076 } 1084 }
1077 1085
1078 if (pl->ns->monitor_spells) 1086 if (pl->ns->monitor_spells)
1079 { 1087 {
1080 AddIfInt (pl->last_path_attuned, pl->ob->path_attuned, CS_STAT_SPELL_ATTUNE); 1088 AddIfInt (ns->last_path_attuned, ob->path_attuned, CS_STAT_SPELL_ATTUNE);
1081 AddIfInt (pl->last_path_repelled, pl->ob->path_repelled, CS_STAT_SPELL_REPEL); 1089 AddIfInt (ns->last_path_repelled, ob->path_repelled, CS_STAT_SPELL_REPEL);
1082 AddIfInt (pl->last_path_denied, pl->ob->path_denied, CS_STAT_SPELL_DENY); 1090 AddIfInt (ns->last_path_denied, ob->path_denied, CS_STAT_SPELL_DENY);
1083 } 1091 }
1084 1092
1085 rangetostring (pl->ob, buf); /* we want use the new fire & run system in new client */ 1093 rangetostring (ob, buf); /* we want use the new fire & run system in new client */
1086 AddIfString (pl->ns->stats.range, buf, CS_STAT_RANGE); 1094 AddIfString (ns->stats.range, buf, CS_STAT_RANGE);
1087 set_title (pl->ob, buf); 1095 set_title (ob, buf);
1088 AddIfString (pl->ns->stats.title, buf, CS_STAT_TITLE); 1096 AddIfString (ns->stats.title, buf, CS_STAT_TITLE);
1089 1097
1090 /* Only send it away if we have some actual data */ 1098 /* Only send it away if we have some actual data */
1091 if (sl.length () > 6) 1099 if (sl.length () > 6)
1092 pl->ns->send_packet (sl); 1100 ns->send_packet (sl);
1093} 1101}
1094 1102
1095/** 1103/**
1096 * Tells the client that here is a player it should start using. 1104 * Tells the client that here is a player it should start using.
1097 */ 1105 */
1098void 1106void
1099esrv_new_player (player *pl, uint32 weight) 1107esrv_new_player (player *pl, uint32 weight)
1100{ 1108{
1101 pl->last_weight = weight;
1102
1103 packet sl ("player"); 1109 packet sl ("player");
1104 1110
1105 sl << uint32 (pl->ob->count) 1111 sl << uint32 (pl->ob->count)
1106 << uint32 (weight) 1112 << uint32 (weight)
1107 << uint32 (pl->ob->face->number) 1113 << uint32 (pl->ob->face)
1108 << data8 (pl->ob->name); 1114 << data8 (pl->ob->name);
1109 1115
1116 pl->ns->last_weight = weight;
1110 pl->ns->send_packet (sl); 1117 pl->ns->send_packet (sl);
1111 SET_FLAG (pl->ob, FLAG_CLIENT_SENT); 1118 SET_FLAG (pl->ob, FLAG_CLIENT_SENT);
1112} 1119}
1113 1120
1114/** 1121/**
… …
1157 * 1164 *
1158 * Start of map related commands. 1165 * Start of map related commands.
1159 * 1166 *
1160 ******************************************************************************/ 1167 ******************************************************************************/
1161 1168
1162/**
1163 * This adds face_num to a map cell at x,y. If the client doesn't have
1164 * the face yet, we will also send it.
1165 */
1166static void
1167esrv_map_setbelow (client * ns, int x, int y, short face_num, struct Map *newmap)
1168{
1169 if (newmap->cells[x][y].count >= MAP_LAYERS)
1170 {
1171 //TODO: one or the other, can't both have abort and return, verify and act
1172 LOG (llevError, "Too many faces in map cell %d %d\n", x, y);
1173 return;
1174 abort ();
1175 }
1176
1177 newmap->cells[x][y].faces[newmap->cells[x][y].count] = face_num;
1178 newmap->cells[x][y].count++;
1179
1180 if (!(ns->faces_sent[face_num] & NS_FACESENT_FACE))
1181 esrv_send_face (ns, face_num, 0);
1182}
1183
1184/** Clears a map cell */ 1169/** Clears a map cell */
1185static void 1170static void
1186map_clearcell (struct MapCell *cell, int face0, int face1, int face2, int count) 1171map_clearcell (struct MapCell *cell, int count)
1187{ 1172{
1188 cell->faces[0] = face0; 1173 cell->faces[0] = 0;
1189 cell->faces[1] = face1; 1174 cell->faces[1] = 0;
1190 cell->faces[2] = face2; 1175 cell->faces[2] = 0;
1191 cell->count = count; 1176 cell->count = count;
1192 cell->stat_hp = 0; 1177 cell->stat_hp = 0;
1193 cell->flags = 0; 1178 cell->flags = 0;
1194 cell->player = 0; 1179 cell->player = 0;
1195} 1180}
1196 1181
1197#define MAX_HEAD_POS MAX(MAX_CLIENT_X, MAX_CLIENT_Y)
1198#define MAX_LAYERS 3 1182#define MAX_LAYERS 3
1199
1200/* Using a global really isn't a good approach, but saves the over head of
1201 * allocating and deallocating such a block of data each time run through,
1202 * and saves the space of allocating this in the socket object when we only
1203 * need it for this cycle. If the server is ever threaded, this needs to be
1204 * re-examined.
1205 */
1206static object *heads[MAX_HEAD_POS * MAX_HEAD_POS * MAX_LAYERS];
1207
1208/**
1209 * Returns true if any of the heads for this
1210 * space is set. Returns false if all are blank - this is used
1211 * for empty space checking.
1212 */
1213static inline int
1214have_head (int ax, int ay)
1215{
1216 if (heads[(ay * MAX_HEAD_POS + ax) * MAX_LAYERS] ||
1217 heads[(ay * MAX_HEAD_POS + ax) * MAX_LAYERS + 1] || heads[(ay * MAX_HEAD_POS + ax) * MAX_LAYERS + 2])
1218 return 1;
1219
1220 return 0;
1221}
1222
1223/**
1224 * check_head is a bit simplistic version of update_space below.
1225 * basically, it only checks the that the head on space ax,ay at layer
1226 * needs to get sent - if so, it adds the data, sending the head
1227 * if needed, and returning 1. If this no data needs to get
1228 * sent, it returns zero.
1229 */
1230static int
1231check_head (packet &sl, client &ns, int ax, int ay, int layer)
1232{
1233 short face_num;
1234
1235 if (heads[(ay * MAX_HEAD_POS + ax) * MAX_LAYERS + layer])
1236 face_num = heads[(ay * MAX_HEAD_POS + ax) * MAX_LAYERS + layer]->face->number;
1237 else
1238 face_num = 0;
1239
1240 if (face_num != ns.lastmap.cells[ax][ay].faces[layer])
1241 {
1242 sl << uint16 (face_num);
1243 if (face_num && !(ns.faces_sent[face_num] & NS_FACESENT_FACE))
1244 esrv_send_face (&ns, face_num, 0);
1245
1246 heads[(ay * MAX_HEAD_POS + ax) * MAX_LAYERS + layer] = NULL;
1247 ns.lastmap.cells[ax][ay].faces[layer] = face_num;
1248 return 1;
1249 }
1250
1251 return 0; /* No change */
1252}
1253 1183
1254/** 1184/**
1255 * Removes the need to replicate the same code for each layer. 1185 * Removes the need to replicate the same code for each layer.
1256 * this returns true if this space is now in fact different than 1186 * this returns true if this space is now in fact different than
1257 * it was. 1187 * it was.
… …
1271 * actually match. 1201 * actually match.
1272 */ 1202 */
1273static int 1203static int
1274update_space (packet &sl, client &ns, maptile *mp, int mx, int my, int sx, int sy, int layer) 1204update_space (packet &sl, client &ns, maptile *mp, int mx, int my, int sx, int sy, int layer)
1275{ 1205{
1276 object *ob, *head;
1277 uint16 face_num; 1206 uint16 face_num;
1278 int bx, by, i; 1207 int bx, by, i;
1279 1208
1280 /* If there is a multipart object stored away, treat that as more important.
1281 * If not, then do the normal processing.
1282 */
1283 head = heads[(sy * MAX_HEAD_POS + sx) * MAX_LAYERS + layer];
1284
1285 /* Check to see if this head is part of the set of objects
1286 * we would normally send for this space. If so, then
1287 * don't use the head value. We need to do the check
1288 * here and not when setting up the heads[] value for two reasons -
1289 * 1) the heads[] values will get used even if the space is not visible.
1290 * 2) its possible the head is not on the same map as a part, and I'd
1291 * rather not need to do the map translation overhead.
1292 * 3) We need to do some extra checking to make sure that we will
1293 * otherwise send the image as this layer, eg, either it matches
1294 * the head value, or is not multipart.
1295 */
1296 if (head && !head->more)
1297 {
1298 for (i = 0; i < MAP_LAYERS; i++)
1299 {
1300 ob = GET_MAP_FACE_OBJ (mp, mx, my, i);
1301 if (!ob)
1302 continue;
1303
1304 if (ob->head)
1305 ob = ob->head;
1306
1307 if (ob == head)
1308 {
1309 heads[(sy * MAX_HEAD_POS + sx) * MAX_LAYERS + layer] = NULL;
1310 head = NULL;
1311 break;
1312 }
1313 }
1314 }
1315
1316 ob = head;
1317 if (!ob)
1318 ob = GET_MAP_FACE_OBJ (mp, mx, my, layer); 1209 object *ob = GET_MAP_FACE_OBJ (mp, mx, my, layer);
1319 1210
1320 /* If there is no object for this space, or if the face for the object 1211 /* If there is no object for this space, or if the face for the object
1321 * is the blank face, set the face number to zero. 1212 * is the blank face, set the face number to zero.
1322 * else if we have the stored head object for this space, that takes 1213 * else if we have the stored head object for this space, that takes
1323 * precedence over the other object for this space. 1214 * precedence over the other object for this space.
1324 * otherwise, we do special head processing 1215 * otherwise, we do special head processing
1325 */ 1216 */
1326 if (!ob || ob->face == blank_face) 1217 if (!ob || ob->face == blank_face)
1327 face_num = 0; 1218 face_num = 0;
1328 else if (head)
1329 {
1330 /* if this is a head that had previously been stored */
1331 face_num = ob->face->number;
1332 }
1333 else 1219 else
1334 {
1335 /* if the faces for the different parts of a multipart object
1336 * are the same, we only want to send the bottom right most
1337 * portion of the object. That info is in the tail_.. values
1338 * of the head. Note that for the head itself, ob->head will
1339 * be null, so we only do this block if we are working on
1340 * a tail piece.
1341 */
1342
1343 /* tail_x and tail_y will only be set in the head object. If
1344 * this is the head object and these are set, we proceed
1345 * with logic to only send bottom right. Similarly, if
1346 * this is one of the more parts but the head has those values
1347 * set, we want to do the processing. There can be cases where
1348 * the head is not visible but one of its parts is, so we just
1349 * can always expect that ob->arch->tail_x will be true for all
1350 * object we may want to display.
1351 */
1352 if ((ob->arch->tail_x || ob->arch->tail_y) || (ob->head && (ob->head->arch->tail_x || ob->head->arch->tail_y)))
1353 {
1354
1355 if (ob->head)
1356 head = ob->head;
1357 else
1358 head = ob;
1359
1360 /* Basically figure out where the offset is from where we are right
1361 * now. the ob->arch->clone.{x,y} values hold the offset that this current
1362 * piece is from the head, and the tail is where the tail is from the
1363 * head. Note that bx and by will equal sx and sy if we are already working
1364 * on the bottom right corner. If ob is the head, the clone values
1365 * will be zero, so the right thing will still happen.
1366 */
1367 bx = sx + head->arch->tail_x - ob->arch->clone.x;
1368 by = sy + head->arch->tail_y - ob->arch->clone.y;
1369
1370 /* I don't think this can ever happen, but better to check for it just
1371 * in case.
1372 */
1373 if (bx < sx || by < sy)
1374 {
1375 LOG (llevError, "update_space: bx (%d) or by (%d) is less than sx (%d) or sy (%d)\n", bx, by, sx, sy);
1376 face_num = 0;
1377 }
1378 /* single part object, multipart object with non merged faces,
1379 * of multipart object already at lower right.
1380 */
1381 else if (bx == sx && by == sy)
1382 {
1383 face_num = ob->face->number;
1384
1385 /* if this face matches one stored away, clear that one away.
1386 * this code relies on the fact that the map1 commands
1387 * goes from 2 down to 0.
1388 */
1389 for (i = 0; i < MAP_LAYERS; i++)
1390 if (heads[(sy * MAX_HEAD_POS + sx) * MAX_LAYERS + i] &&
1391 heads[(sy * MAX_HEAD_POS + sx) * MAX_LAYERS + i]->face->number == face_num)
1392 heads[(sy * MAX_HEAD_POS + sx) * MAX_LAYERS + i] = NULL;
1393 }
1394 else
1395 {
1396 /* If this head is stored away, clear it - otherwise,
1397 * there can be cases where a object is on multiple layers -
1398 * we only want to send it once.
1399 */
1400 face_num = head->face->number;
1401 for (i = 0; i < MAP_LAYERS; i++)
1402 if (heads[(by * MAX_HEAD_POS + bx) * MAX_LAYERS + i] &&
1403 heads[(by * MAX_HEAD_POS + bx) * MAX_LAYERS + i]->face->number == face_num)
1404 heads[(by * MAX_HEAD_POS + bx) * MAX_LAYERS + i] = NULL;
1405
1406 /* First, try to put the new head on the same layer. If that is used up,
1407 * then find another layer.
1408 */
1409 if (heads[(by * MAX_HEAD_POS + bx) * MAX_LAYERS + layer] == NULL)
1410 {
1411 heads[(by * MAX_HEAD_POS + bx) * MAX_LAYERS + layer] = head;
1412 }
1413 else
1414 for (i = 0; i < MAX_LAYERS; i++)
1415 {
1416 if (heads[(by * MAX_HEAD_POS + bx) * MAX_LAYERS + i] == NULL ||
1417 heads[(by * MAX_HEAD_POS + bx) * MAX_LAYERS + i] == head)
1418 {
1419 heads[(by * MAX_HEAD_POS + bx) * MAX_LAYERS + i] = head;
1420 }
1421 }
1422 face_num = 0; /* Don't send this object - we'll send the head later */
1423 }
1424 }
1425 else
1426 {
1427 /* In this case, we are already at the lower right or single part object, 1220 /* In this case, we are already at the lower right or single part object,
1428 * so nothing special 1221 * so nothing special
1429 */
1430 face_num = ob->face->number;
1431
1432 /* clear out any head entries that have the same face as this one */
1433 for (bx = 0; bx < layer; bx++)
1434 if (heads[(sy * MAX_HEAD_POS + sx) * MAX_LAYERS + bx] &&
1435 heads[(sy * MAX_HEAD_POS + sx) * MAX_LAYERS + bx]->face->number == face_num)
1436 heads[(sy * MAX_HEAD_POS + sx) * MAX_LAYERS + bx] = NULL;
1437 }
1438 } /* else not already head object or blank face */
1439
1440 /* This is a real hack. Basically, if we have nothing to send for this layer,
1441 * but there is a head on the next layer, send that instead.
1442 * Without this, what happens is you can get the case where the player stands
1443 * on the same space as the head. However, if you have overlapping big objects
1444 * of the same type, what happens then is it doesn't think it needs to send
1445 * This tends to make stacking also work/look better.
1446 */ 1222 */
1447 if (!face_num && layer > 0 && heads[(sy * MAX_HEAD_POS + sx) * MAX_LAYERS + layer - 1])
1448 {
1449 face_num = heads[(sy * MAX_HEAD_POS + sx) * MAX_LAYERS + layer - 1]->face->number;
1450 heads[(sy * MAX_HEAD_POS + sx) * MAX_LAYERS + layer - 1] = NULL;
1451 }
1452
1453 /* Another hack - because of heads and whatnot, this face may match one
1454 * we already sent for a lower layer. In that case, don't send
1455 * this one.
1456 */
1457 if (face_num && layer + 1 < MAP_LAYERS && ns.lastmap.cells[sx][sy].faces[layer + 1] == face_num)
1458 face_num = 0; 1223 face_num = ob->face;
1459 1224
1460 /* We've gotten what face we want to use for the object. Now see if 1225 /* We've gotten what face we want to use for the object. Now see if
1461 * if it has changed since we last sent it to the client. 1226 * if it has changed since we last sent it to the client.
1462 */ 1227 */
1463 if (ns.lastmap.cells[sx][sy].faces[layer] != face_num) 1228 if (ns.lastmap.cells[sx][sy].faces[layer] != face_num)
… …
1507 if (!ob || ob->face == blank_face) 1272 if (!ob || ob->face == blank_face)
1508 smoothlevel = 0; 1273 smoothlevel = 0;
1509 else 1274 else
1510 { 1275 {
1511 smoothlevel = ob->smoothlevel; 1276 smoothlevel = ob->smoothlevel;
1512 if (smoothlevel && !(ns.faces_sent[ob->face->number] & NS_FACESENT_SMOOTH)) 1277 if (smoothlevel && !(ns.faces_sent[ob->face] & NS_FACESENT_SMOOTH))
1513 SendSmooth (&ns, ob->face->number); 1278 SendSmooth (&ns, ob->face);
1514 } /* else not already head object or blank face */ 1279 } /* else not already head object or blank face */
1515 1280
1516 /* We've gotten what face we want to use for the object. Now see if 1281 /* We've gotten what face we want to use for the object. Now see if
1517 * if it has changed since we last sent it to the client. 1282 * if it has changed since we last sent it to the client.
1518 */ 1283 */
… …
1547 if (ns->EMI_smooth) 1312 if (ns->EMI_smooth)
1548 result += 1; /*One byte for smoothlevel */ 1313 result += 1; /*One byte for smoothlevel */
1549 } 1314 }
1550 1315
1551 return result; 1316 return result;
1317}
1318
1319// prefetch (and touch) all maps within a specific distancd
1320static void
1321prefetch_surrounding_maps (maptile *map, int distance)
1322{
1323 map->last_access = runtime;
1324
1325 if (--distance)
1326 for (int dir = 4; --dir; )
1327 if (const shstr &path = map->tile_path [dir])
1328 if (maptile *&neigh = map->tile_map [dir])
1329 prefetch_surrounding_maps (neigh, distance);
1330 else
1331 neigh = maptile::find_async (path, map);
1332}
1333
1334// prefetch a generous area around the player
1335static void
1336prefetch_surrounding_maps (object *op)
1337{
1338 prefetch_surrounding_maps (op->map, 3);
1552} 1339}
1553 1340
1554/** 1341/**
1555 * This function uses the new map1 protocol command to send the map 1342 * This function uses the new map1 protocol command to send the map
1556 * to the client. It is necessary because the old map command supports 1343 * to the client. It is necessary because the old map command supports
… …
1589 1376
1590 if (!pl->active) 1377 if (!pl->active)
1591 return; 1378 return;
1592 1379
1593 check_map_change (pl->contr); 1380 check_map_change (pl->contr);
1381 prefetch_surrounding_maps (pl);
1594 1382
1595 packet sl (socket.mapmode == Map1Cmd ? "map1" : "map1a"); 1383 packet sl (socket.mapmode == Map1Cmd ? "map1" : "map1a");
1596 packet esl; 1384 packet esl;
1597 1385
1598 startlen = sl.length (); 1386 startlen = sl.length ();
… …
1620 /* suppress compiler warnings */ 1408 /* suppress compiler warnings */
1621 ewhatstart = 0; 1409 ewhatstart = 0;
1622 ewhatflag = 0; 1410 ewhatflag = 0;
1623 estartlen = 0; 1411 estartlen = 0;
1624 } 1412 }
1625
1626 /* Init data to zero */
1627 memset (heads, 0, sizeof (object *) * MAX_HEAD_POS * MAX_HEAD_POS * MAX_LAYERS);
1628 1413
1629 /* x,y are the real map locations. ax, ay are viewport relative 1414 /* x,y are the real map locations. ax, ay are viewport relative
1630 * locations. 1415 * locations.
1631 */ 1416 */
1632 ay = 0; 1417 ay = 0;
… …
1662 1447
1663 oldlen = sl.length (); 1448 oldlen = sl.length ();
1664 1449
1665 sl << uint16 (mask); 1450 sl << uint16 (mask);
1666 1451
1667 if (check_head (sl, socket, ax, ay, 2)) mask |= 0x4;
1668 if (check_head (sl, socket, ax, ay, 1)) mask |= 0x2;
1669 if (check_head (sl, socket, ax, ay, 0)) mask |= 0x1;
1670
1671 /* If all we are doing is sending 0 (blank) faces, we don't 1452 /* If all we are doing is sending 0 (blank) faces, we don't
1672 * actually need to send that - just the coordinates 1453 * actually need to send that - just the coordinates
1673 * with no faces tells the client to blank out the 1454 * with no faces tells the client to blank out the
1674 * space. 1455 * space.
1675 */ 1456 */
… …
1712 * of the map, it shouldn't have a head 1493 * of the map, it shouldn't have a head
1713 */ 1494 */
1714 if (lastcell.count != -1) 1495 if (lastcell.count != -1)
1715 { 1496 {
1716 sl << uint16 (mask); 1497 sl << uint16 (mask);
1717 map_clearcell (&lastcell, 0, 0, 0, -1); 1498 map_clearcell (&lastcell, -1);
1718 } 1499 }
1719 } 1500 }
1720 else if (d > 3) 1501 else if (d > 3)
1721 { 1502 {
1722 m->touch (); 1503 m->touch ();
… …
1734 if (lastcell.count != -1) 1515 if (lastcell.count != -1)
1735 need_send = 1; 1516 need_send = 1;
1736 1517
1737 count = -1; 1518 count = -1;
1738 1519
1739 if (socket.mapmode == Map1aCmd && have_head (ax, ay))
1740 {
1741 /* Now check to see if any heads need to be sent */
1742
1743 if (check_head (sl, socket, ax, ay, 2)) mask |= 0x4;
1744 if (check_head (sl, socket, ax, ay, 1)) mask |= 0x2;
1745 if (check_head (sl, socket, ax, ay, 0)) mask |= 0x1;
1746
1747 lastcell.count = count;
1748 }
1749 else
1750 {
1751 /* properly clear a previously sent big face */ 1520 /* properly clear a previously sent big face */
1752 if (lastcell.faces[0] != 0 || lastcell.faces[1] != 0 || lastcell.faces[2] != 0 1521 if (lastcell.faces[0] != 0 || lastcell.faces[1] != 0 || lastcell.faces[2] != 0
1753 || lastcell.stat_hp || lastcell.flags || lastcell.player) 1522 || lastcell.stat_hp || lastcell.flags || lastcell.player)
1754 need_send = 1; 1523 need_send = 1;
1755 1524
1756 map_clearcell (&lastcell, 0, 0, 0, count); 1525 map_clearcell (&lastcell, count);
1757 }
1758 1526
1759 if ((mask & 0xf) || need_send) 1527 if ((mask & 0xf) || need_send)
1760 sl[oldlen + 1] = mask & 0xff; 1528 sl[oldlen + 1] = mask & 0xff;
1761 else 1529 else
1762 sl.reset (oldlen); 1530 sl.reset (oldlen);
… …
1895 if (update_smooth (esl, socket, m, nx, ny, ax, ay, 1)) 1663 if (update_smooth (esl, socket, m, nx, ny, ax, ay, 1))
1896 emask |= 0x2; 1664 emask |= 0x2;
1897 1665
1898 if (nx == pl->x && ny == pl->y && pl->invisible & (pl->invisible < 50 ? 4 : 1)) 1666 if (nx == pl->x && ny == pl->y && pl->invisible & (pl->invisible < 50 ? 4 : 1))
1899 { 1667 {
1900 if (lastcell.faces[0] != pl->face->number) 1668 if (lastcell.faces[0] != pl->face)
1901 { 1669 {
1902 lastcell.faces[0] = pl->face->number; 1670 lastcell.faces[0] = pl->face;
1903 mask |= 0x1; 1671 mask |= 0x1;
1904 1672
1905 if (!(socket.faces_sent[pl->face->number] & NS_FACESENT_FACE)) 1673 if (!(socket.faces_sent[pl->face] & NS_FACESENT_FACE))
1906 esrv_send_face (&socket, pl->face->number, 0); 1674 esrv_send_face (&socket, pl->face, 0);
1907 1675
1908 sl << uint16 (pl->face->number); 1676 sl << uint16 (pl->face);
1909 } 1677 }
1910 } 1678 }
1911 else 1679 else
1912 { 1680 {
1913 /* Top face */ 1681 /* Top face */
… …
1965 */ 1733 */
1966void 1734void
1967draw_client_map (object *pl) 1735draw_client_map (object *pl)
1968{ 1736{
1969 int i, j; 1737 int i, j;
1970 sint16 ax, ay, nx, ny; /* ax and ay goes from 0 to max-size of arrays */ 1738 sint16 ax, ay; /* ax and ay goes from 0 to max-size of arrays */
1971 New_Face *face, *floor;
1972 New_Face *floor2;
1973 int d, mflags; 1739 int mflags;
1974 struct Map newmap; 1740 struct Map newmap;
1975 maptile *m, *pm; 1741 maptile *m, *pm;
1976 1742
1977 if (pl->type != PLAYER) 1743 if (pl->type != PLAYER)
1978 { 1744 {
… …
2159 1925
2160/* appends the spell *spell to the Socklist we will send the data to. */ 1926/* appends the spell *spell to the Socklist we will send the data to. */
2161static void 1927static void
2162append_spell (player *pl, packet &sl, object *spell) 1928append_spell (player *pl, packet &sl, object *spell)
2163{ 1929{
2164 int len, i, skill = 0; 1930 int i, skill = 0;
2165 1931
2166 if (!(spell->name)) 1932 if (!(spell->name))
2167 { 1933 {
2168 LOG (llevError, "item number %d is a spell with no name.\n", spell->count); 1934 LOG (llevError, "item number %d is a spell with no name.\n", spell->count);
2169 return; 1935 return;
… …
2181 if (!strcmp (spell->skill, skill_names[i])) 1947 if (!strcmp (spell->skill, skill_names[i]))
2182 { 1948 {
2183 skill = i + CS_STAT_SKILLINFO; 1949 skill = i + CS_STAT_SKILLINFO;
2184 break; 1950 break;
2185 } 1951 }
1952 }
1953
1954 // spells better have a face
1955 if (!spell->face)
1956 {
1957 LOG (llevError, "%s: spell has no face, but face is mandatory.\n", &spell->name);
1958 spell->face = face_find ("burnout.x11", blank_face);
2186 } 1959 }
2187 1960
2188 /* send the current values */ 1961 /* send the current values */
2189 sl << uint32 (spell->count) 1962 sl << uint32 (spell->count)
2190 << uint16 (spell->level) 1963 << uint16 (spell->level)
… …
2192 << uint16 (spell->last_sp) 1965 << uint16 (spell->last_sp)
2193 << uint16 (spell->last_grace) 1966 << uint16 (spell->last_grace)
2194 << uint16 (spell->last_eat) 1967 << uint16 (spell->last_eat)
2195 << uint8 (skill) 1968 << uint8 (skill)
2196 << uint32 (spell->path_attuned) 1969 << uint32 (spell->path_attuned)
2197 << uint32 (spell->face ? spell->face->number : 0) 1970 << uint32 (spell->face)
2198 << data8 (spell->name) 1971 << data8 (spell->name)
2199 << data16 (spell->msg); 1972 << data16 (spell->msg);
2200} 1973}
2201 1974
2202/** 1975/**
… …
2217 1990
2218 packet sl ("addspell"); 1991 packet sl ("addspell");
2219 1992
2220 if (!spell) 1993 if (!spell)
2221 { 1994 {
2222 for (spell = pl->ob->inv; spell != NULL; spell = spell->below) 1995 for (spell = pl->ob->inv; spell; spell = spell->below)
2223 { 1996 {
2224 /* were we to simply keep appending data here, we could exceed 1997 /* were we to simply keep appending data here, we could exceed
2225 * MAXSOCKBUF if the player has enough spells to add, we know that 1998 * MAXSOCKBUF if the player has enough spells to add, we know that
2226 * append_spells will always append 19 data bytes, plus 4 length 1999 * append_spells will always append 19 data bytes, plus 4 length
2227 * bytes and 3 strings (because that is the spec) so we need to 2000 * bytes and 3 strings (because that is the spec) so we need to

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