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Comparing deliantra/server/socket/request.C (file contents):
Revision 1.143 by root, Tue Dec 23 06:58:24 2008 UTC vs.
Revision 1.146 by root, Sat Dec 27 01:25:00 2008 UTC

208 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)
209 { 209 {
210 int dx = ob->x - socket.current_x; 210 int dx = ob->x - socket.current_x;
211 int dy = ob->y - socket.current_y; 211 int dy = ob->y - socket.current_y;
212 212
213 if (socket.buggy_mapscroll && (abs (dx) > 8 || abs (dy) > 8))
214 clear_map (pl); // current (<= 1.9.1) clients have unchecked buffer overflows
215 else
216 {
217 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);
218 socket.floorbox_reset (); 214 socket.floorbox_reset ();
219 }
220 } 215 }
221 216
222 socket.current_x = ob->x; 217 socket.current_x = ob->x;
223 socket.current_y = ob->y; 218 socket.current_y = ob->y;
224} 219}
402 */ 397 */
403void 398void
404AddMeCmd (char *buf, int len, client *ns) 399AddMeCmd (char *buf, int len, client *ns)
405{ 400{
406 INVOKE_CLIENT (ADDME, ns, ARG_DATA (buf, len)); 401 INVOKE_CLIENT (ADDME, ns, ARG_DATA (buf, len));
407}
408
409/** Reply to ExtendedInfos command */
410void
411ToggleExtendedInfos (char *buf, int len, client * ns)
412{
413 char cmdback[MAX_BUF];
414 char command[50];
415 int info, nextinfo;
416
417 cmdback[0] = '\0';
418 nextinfo = 0;
419
420 while (1)
421 {
422 /* 1. Extract an info */
423 info = nextinfo;
424
425 while ((info < len) && (buf[info] == ' '))
426 info++;
427
428 if (info >= len)
429 break;
430
431 nextinfo = info + 1;
432
433 while ((nextinfo < len) && (buf[nextinfo] != ' '))
434 nextinfo++;
435
436 if (nextinfo - info >= 49) /*Erroneous info asked */
437 continue;
438
439 strncpy (command, &(buf[info]), nextinfo - info);
440
441 /* 2. Interpret info */
442 if (!strcmp ("smooth", command))
443 /* Toggle smoothing */
444 ns->EMI_smooth = !ns->EMI_smooth;
445 else
446 /*bad value */;
447
448 /*3. Next info */
449 }
450
451 strcpy (cmdback, "ExtendedInfoSet");
452
453 if (ns->EMI_smooth)
454 {
455 strcat (cmdback, " ");
456 strcat (cmdback, "smoothing");
457 }
458
459 ns->send_packet (cmdback);
460} 402}
461 403
462/* 404/*
463#define MSG_TYPE_BOOK 1 405#define MSG_TYPE_BOOK 1
464#define MSG_TYPE_CARD 2 406#define MSG_TYPE_CARD 2
984 926
985 /* Nothing changed */ 927 /* Nothing changed */
986 return 0; 928 return 0;
987} 929}
988 930
989/**
990 * Returns the size of a data for a map square as returned by
991 * mapextended. There are CLIENTMAPX*CLIENTMAPY*LAYERS entries
992 * available.
993 */
994int
995getExtendedMapInfoSize (client * ns)
996{
997 int result = 0;
998
999 if (ns->ext_mapinfos)
1000 {
1001 if (ns->EMI_smooth)
1002 result += 1; /*One byte for smoothlevel */
1003 }
1004
1005 return result;
1006}
1007
1008// prefetch (and touch) all maps within a specific distancd 931// prefetch (and touch) all maps within a specific distancd
1009static void 932static void
1010prefetch_surrounding_maps (maptile *map, int distance) 933prefetch_surrounding_maps (maptile *map, int distance)
1011{ 934{
1012 map->last_access = runtime; 935 map->last_access = runtime;
1043 */ 966 */
1044 if (!ob->map || ob->map->in_memory != MAP_ACTIVE) 967 if (!ob->map || ob->map->in_memory != MAP_ACTIVE)
1045 return; 968 return;
1046 969
1047 int startlen, oldlen; 970 int startlen, oldlen;
1048 int estartlen, eoldlen;
1049 uint8 eentrysize;
1050 uint16 ewhatstart, ewhatflag;
1051 uint8 extendedinfos;
1052 971
1053 check_map_change (pl); 972 check_map_change (pl);
1054 prefetch_surrounding_maps (pl->ob); 973 prefetch_surrounding_maps (pl->ob);
1055 974
1056 /* do LOS after calls to update_position */ 975 /* do LOS after calls to update_position */
1085 */ 1004 */
1086 1005
1087 client &socket = *pl->ns; 1006 client &socket = *pl->ns;
1088 1007
1089 packet sl (socket.mapmode == Map1Cmd ? "map1" : "map1a"); 1008 packet sl (socket.mapmode == Map1Cmd ? "map1" : "map1a");
1090 packet esl;
1091 1009
1092 startlen = sl.length (); 1010 startlen = sl.length ();
1093 1011
1094 /*Extendedmapinfo structure initialisation */
1095 if (socket.ext_mapinfos)
1096 {
1097 extendedinfos = EMI_NOREDRAW;
1098
1099 if (socket.EMI_smooth)
1100 extendedinfos |= EMI_SMOOTH;
1101
1102 ewhatstart = esl.length ();
1103 ewhatflag = extendedinfos; /*The EMI_NOREDRAW bit
1104 could need to be taken away */
1105 eentrysize = getExtendedMapInfoSize (&socket);
1106 esl << "mapextended "
1107 << uint8 (extendedinfos)
1108 << uint8 (eentrysize);
1109
1110 estartlen = esl.length ();
1111 }
1112
1113 /* We could do this logic as conditionals in the if statement,
1114 * but that started to get a bit messy to look at.
1115 */
1116 int hx = socket.mapx / 2; 1012 int hx = socket.mapx / 2;
1117 int hy = socket.mapy / 2; 1013 int hy = socket.mapy / 2;
1118 1014
1119 for (int dx = -hx; dx <= hx; dx++) 1015 ordered_mapwalk_begin (ob, -hx, -hy, hx, hy)
1120 {
1121 sint16 nx, ny;
1122 maptile *m = 0;
1123
1124 for (int dy = -hy; dy <= hy; dy++)
1125 {
1126 // check to see if we can simply go one down quickly
1127 if (m && ++ny >= m->height)
1128 m = 0;
1129
1130 // no, so do it the slow way
1131 if (!m)
1132 {
1133 nx = ob->x + dx; ny = ob->y + dy; m = ob->map;
1134
1135 if (xy_normalise (m, nx, ny))
1136 m->touch ();
1137 else
1138 m = 0;
1139 }
1140
1141 int ax = dx + hx; 1016 int ax = dx + hx;
1142 int ay = dy + hy; 1017 int ay = dy + hy;
1143 1018
1144 int emask, mask; 1019 int mask = (ax << 10) | (ay << 4);
1145 emask = mask = (ax & 0x3f) << 10 | (ay & 0x3f) << 4;
1146
1147 MapCell &lastcell = socket.lastmap.cells[ax][ay]; 1020 MapCell &lastcell = socket.lastmap.cells[ax][ay];
1148 1021
1149 /* 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,
1150 * we tell the client as such 1023 * we tell the client as such
1151 */ 1024 */
1152 if (!m) 1025 if (!m)
1153 { 1026 {
1154 /* space is out of map. Update space and clear values 1027 /* space is out of map. Update space and clear values
1155 * 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
1156 * of the map, it shouldn't have a head. 1029 * of the map, it shouldn't have a head.
1157 */ 1030 */
1158 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)
1159 { 1111 {
1160 sl << uint16 (mask); 1112 if (op->stats.maxhp > op->stats.hp
1161 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;
1162 } 1131 }
1163 1132
1164 continue; 1133 if (expect_false (lastcell.stat_hp != stat_hp))
1165 }
1166
1167 int d = pl->blocked_los_uc (dx, dy);
1168
1169 if (d > 3)
1170 {
1171 int need_send = 0, count;
1172
1173 /* This block deals with spaces that are not visible for whatever
1174 * reason. Still may need to send the head for this space.
1175 */
1176
1177 oldlen = sl.length ();
1178
1179 sl << uint16 (mask);
1180
1181 if (lastcell.count != -1)
1182 need_send = 1;
1183
1184 count = -1;
1185
1186 if (lastcell.faces[0] || lastcell.faces[1] || lastcell.faces[2]
1187 || lastcell.stat_hp || lastcell.flags || lastcell.player)
1188 need_send = 1;
1189
1190 /* properly clear a previously sent big face */
1191 map_clearcell (&lastcell, count);
1192
1193 if ((mask & 0xf) || need_send)
1194 sl[oldlen + 1] = mask & 0xff;
1195 else
1196 sl.reset (oldlen);
1197 }
1198 else
1199 {
1200 /* In this block, the space is visible.
1201 */
1202
1203 /* Rather than try to figure out what everything that we might
1204 * need to send is, then form the packet after that,
1205 * we presume that we will in fact form a packet, and update
1206 * the bits by what we do actually send. If we send nothing,
1207 * we just back out sl.length () to the old value, and no harm
1208 * is done.
1209 * I think this is simpler than doing a bunch of checks to see
1210 * what if anything we need to send, setting the bits, then
1211 * doing those checks again to add the real data.
1212 */
1213 oldlen = sl.length ();
1214 eoldlen = esl.length ();
1215
1216 sl << uint16 (mask);
1217
1218 unsigned char dummy;
1219 unsigned char *last_ext = &dummy;
1220
1221 /* Darkness changed */
1222 if (lastcell.count != d && socket.darkness)
1223 { 1134 {
1135 lastcell.stat_hp = stat_hp;
1136
1224 mask |= 0x8; 1137 mask |= 0x8;
1138 *last_ext |= 0x80;
1139 last_ext = &sl[sl.length ()];
1225 1140
1226 if (socket.extmap) 1141 sl << uint8 (5) << uint8 (stat_hp);
1142
1143 if (stat_width > 1)
1227 { 1144 {
1228 *last_ext |= 0x80; 1145 *last_ext |= 0x80;
1229 last_ext = &sl[sl.length ()]; 1146 last_ext = &sl[sl.length ()];
1230 sl << uint8 (d);
1231 }
1232 else
1233 sl << uint8 (255 - 64 * d);
1234 }
1235 1147
1236 lastcell.count = d;
1237
1238 mapspace &ms = m->at (nx, ny);
1239 ms.update ();
1240
1241 if (socket.extmap)
1242 {
1243 uint8 stat_hp = 0;
1244 uint8 stat_width = 0;
1245 uint8 flags = 0;
1246 tag_t player = 0;
1247
1248 // send hp information, if applicable
1249 if (object *op = ms.faces_obj [0])
1250 if (op->is_head () && !op->invisible)
1251 {
1252 if (op->stats.maxhp > op->stats.hp
1253 && op->stats.maxhp > 0
1254 && (op->type == PLAYER
1255 || op->type == DOOR // does not work, have maxhp 0
1256 || QUERY_FLAG (op, FLAG_MONSTER)
1257 || QUERY_FLAG (op, FLAG_ALIVE)
1258 || QUERY_FLAG (op, FLAG_GENERATOR)))
1259 {
1260 stat_hp = 255 - (op->stats.hp * 255 + 254) / op->stats.maxhp;
1261 stat_width = op->arch->max_x - op->arch->x; //TODO: should be upper-left edge
1262 }
1263
1264 if (op->has_dialogue ())
1265 flags |= 1;
1266
1267 if (op->type == PLAYER)
1268 player = op == ob ? pl->ob->count
1269 : op == pl->ob ? ob->count
1270 : op->count;
1271 }
1272
1273 if (lastcell.stat_hp != stat_hp)
1274 {
1275 lastcell.stat_hp = stat_hp;
1276
1277 mask |= 0x8;
1278 *last_ext |= 0x80;
1279 last_ext = &sl[sl.length ()];
1280
1281 sl << uint8 (5) << uint8 (stat_hp);
1282
1283 if (stat_width > 1)
1284 {
1285 *last_ext |= 0x80;
1286 last_ext = &sl[sl.length ()];
1287
1288 sl << uint8 (6) << uint8 (stat_width); 1148 sl << uint8 (6) << uint8 (stat_width);
1289 }
1290 } 1149 }
1291
1292 if (lastcell.player != player)
1293 {
1294 lastcell.player = player;
1295
1296 mask |= 0x8;
1297 *last_ext |= 0x80;
1298 last_ext = &sl[sl.length ()];
1299
1300 sl << uint8 (0x47) << uint8 (4) << (uint32)player;
1301 }
1302
1303 if (lastcell.flags != flags)
1304 {
1305 lastcell.flags = flags;
1306
1307 mask |= 0x8;
1308 *last_ext |= 0x80;
1309 last_ext = &sl[sl.length ()];
1310
1311 sl << uint8 (8) << uint8 (flags);
1312 }
1313 } 1150 }
1314 1151
1315 /* Floor face */ 1152 if (expect_false (lastcell.player != player))
1316 if (update_space (sl, socket, ms, lastcell, 2)) 1153 {
1154 lastcell.player = player;
1155
1317 mask |= 0x4; 1156 mask |= 0x8;
1157 *last_ext |= 0x80;
1158 last_ext = &sl[sl.length ()];
1318 1159
1319 /* Middle face */ 1160 sl << uint8 (0x47) << uint8 (4) << (uint32)player;
1320 if (update_space (sl, socket, ms, lastcell, 1)) 1161 }
1162
1163 if (expect_false (lastcell.flags != flags))
1164 {
1165 lastcell.flags = flags;
1166
1321 mask |= 0x2; 1167 mask |= 0x8;
1168 *last_ext |= 0x80;
1169 last_ext = &sl[sl.length ()];
1322 1170
1323 if (ob->invisible 1171 sl << uint8 (8) << uint8 (flags);
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)
1324 && ob->invisible & (ob->invisible < 50 ? 1 : 7) 1184 && ob->invisible & (ob->invisible < 50 ? 1 : 7)
1325 && ms.player () == ob) 1185 && ms.player () == ob)
1326 { 1186 {
1327 // force player to be visible to himself if invisible 1187 // force player to be visible to himself if invisible
1328 if (lastcell.faces[0] != ob->face) 1188 if (lastcell.faces[0] != ob->face)
1329 { 1189 {
1330 lastcell.faces[0] = ob->face; 1190 lastcell.faces[0] = ob->face;
1331 1191
1332 mask |= 0x1;
1333 sl << uint16 (ob->face);
1334
1335 socket.send_faces (ob);
1336 }
1337 }
1338 /* Top face */
1339 else if (update_space (sl, socket, ms, lastcell, 0))
1340 mask |= 0x1; 1192 mask |= 0x1;
1193 sl << uint16 (ob->face);
1341 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
1342 /* 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
1343 * space by checking the mask. If so, update the mask. 1203 * space by checking the mask. If so, update the mask.
1344 * 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
1345 * value, so we don't send those bits. 1205 * value, so we don't send those bits.
1346 */ 1206 */
1347 if (mask & 0xf) 1207 if (mask & 0xf)
1348 sl[oldlen + 1] = mask & 0xff; 1208 sl[oldlen + 1] = mask & 0xff;
1349 else 1209 else
1350 sl.reset (oldlen); 1210 sl.reset (oldlen);
1351
1352 if (socket.ext_mapinfos)
1353 esl << uint16 (emask);
1354
1355 if (socket.EMI_smooth)
1356 {
1357 for (int layer = 2+1; layer--; )
1358 {
1359 object *ob = ms.faces_obj [layer];
1360
1361 // If there is no object for this space, or if the face for the object
1362 // is the blank face, set the smoothlevel to zero.
1363 int smoothlevel = ob && ob->face != blank_face ? ob->smoothlevel : 0;
1364
1365 // We've gotten what face we want to use for the object. Now see if
1366 // if it has changed since we last sent it to the client.
1367 if (lastcell.smooth[layer] != smoothlevel)
1368 {
1369 lastcell.smooth[layer] = smoothlevel;
1370 esl << uint8 (smoothlevel);
1371 emask |= 1 << layer;
1372 }
1373 }
1374
1375 if (emask & 0xf)
1376 esl[eoldlen + 1] = emask & 0xff;
1377 else
1378 esl.reset (eoldlen);
1379 }
1380 } /* else this is a viewable space */ 1211 } /* else this is a viewable space */
1381 } /* for x loop */ 1212 ordered_mapwalk_end
1382 } /* for y loop */
1383 1213
1384 socket.flush_fx (); 1214 socket.flush_fx ();
1385
1386 /* Verify that we in fact do need to send this */
1387 if (socket.ext_mapinfos)
1388 {
1389 if (!(sl.length () > startlen || socket.sent_scroll))
1390 {
1391 /* No map data will follow, so don't say the client
1392 * it doesn't need draw!
1393 */
1394 ewhatflag &= ~EMI_NOREDRAW;
1395 esl[ewhatstart + 1] = ewhatflag & 0xff;
1396 }
1397
1398 if (esl.length () > estartlen)
1399 socket.send_packet (esl);
1400 }
1401 1215
1402 if (sl.length () > startlen || socket.sent_scroll) 1216 if (sl.length () > startlen || socket.sent_scroll)
1403 { 1217 {
1404 socket.send_packet (sl); 1218 socket.send_packet (sl);
1405 socket.sent_scroll = 0; 1219 socket.sent_scroll = 0;

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