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Comparing deliantra/server/socket/request.C (file contents):
Revision 1.141 by root, Fri Dec 19 22:47:30 2008 UTC vs.
Revision 1.158 by root, Fri Nov 6 13:11:28 2009 UTC

3 * 3 *
4 * Copyright (©) 2005,2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team 4 * Copyright (©) 2005,2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
5 * Copyright (©) 2001,2007 Mark Wedel 5 * Copyright (©) 2001,2007 Mark Wedel
6 * Copyright (©) 1992,2007 Frank Tore Johansen 6 * Copyright (©) 1992,2007 Frank Tore Johansen
7 * 7 *
8 * Deliantra is free software: you can redistribute it and/or modify 8 * Deliantra is free software: you can redistribute it and/or modify it under
9 * it under the terms of the GNU General Public License as published by 9 * the terms of the Affero GNU General Public License as published by the
10 * the Free Software Foundation, either version 3 of the License, or 10 * Free Software Foundation, either version 3 of the License, or (at your
11 * (at your option) any later version. 11 * 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 Affero GNU General Public License
19 * along with this program. If not, see <http://www.gnu.org/licenses/>. 19 * and the GNU General Public License along with this program. If not, see
20 * <http://www.gnu.org/licenses/>.
20 * 21 *
21 * The authors can be reached via e-mail to <support@deliantra.net> 22 * The authors can be reached via e-mail to <support@deliantra.net>
22 */ 23 */
24
25//+GPL
23 26
24/** 27/**
25 * \file 28 * \file
26 * Client handling. 29 * Client handling.
27 * 30 *
63 * This table translates the attack numbers as used within the 66 * This table translates the attack numbers as used within the
64 * program to the value we use when sending STATS command to the 67 * program to the value we use when sending STATS command to the
65 * client. If a value is -1, then we don't send that to the 68 * client. If a value is -1, then we don't send that to the
66 * client. 69 * client.
67 */ 70 */
68short atnr_cs_stat[NROFATTACKS] = { CS_STAT_RES_PHYS, 71static short atnr_cs_stat[NROFATTACKS] = { CS_STAT_RES_PHYS,
69 CS_STAT_RES_MAG, CS_STAT_RES_FIRE, CS_STAT_RES_ELEC, 72 CS_STAT_RES_MAG, CS_STAT_RES_FIRE, CS_STAT_RES_ELEC,
70 CS_STAT_RES_COLD, CS_STAT_RES_CONF, CS_STAT_RES_ACID, 73 CS_STAT_RES_COLD, CS_STAT_RES_CONF, CS_STAT_RES_ACID,
71 CS_STAT_RES_DRAIN, -1 /* weaponmagic */ , 74 CS_STAT_RES_DRAIN, -1 /* weaponmagic */ ,
72 CS_STAT_RES_GHOSTHIT, CS_STAT_RES_POISON, 75 CS_STAT_RES_GHOSTHIT, CS_STAT_RES_POISON,
73 CS_STAT_RES_SLOW, CS_STAT_RES_PARA, CS_STAT_TURN_UNDEAD, 76 CS_STAT_RES_SLOW, CS_STAT_RES_PARA, CS_STAT_TURN_UNDEAD,
98 */ 101 */
99 mx = ns->mapx; 102 mx = ns->mapx;
100 my = ns->mapy; 103 my = ns->mapy;
101 104
102 /* the x and y here are coordinates for the new map, i.e. if we moved 105 /* the x and y here are coordinates for the new map, i.e. if we moved
103 * (dx,dy), newmap[x][y] = oldmap[x-dx][y-dy]. For this reason, 106 * (dx,dy), newmap[x][y] = oldmap[x-dx][y-dy]. For this reason,
104 * if the destination x or y coordinate is outside the viewable 107 * if the destination x or y coordinate is outside the viewable
105 * area, we clear the values - otherwise, the old values 108 * area, we clear the values - otherwise, the old values
106 * are preserved, and the check_head thinks it needs to clear them. 109 * are preserved, and the check_head thinks it needs to clear them.
107 */ 110 */
108 for (x = 0; x < mx; x++) 111 for (x = 0; x < mx; x++)
109 {
110 for (y = 0; y < my; y++) 112 for (y = 0; y < my; y++)
111 {
112 if (x >= ns->mapx || y >= ns->mapy) 113 if (x >= ns->mapx || y >= ns->mapy)
113 /* clear cells outside the viewable area */ 114 /* clear cells outside the viewable area */
114 memset (&newmap.cells[x][y], 0, sizeof (struct MapCell)); 115 memset (&newmap.cells[x][y], 0, sizeof (struct MapCell));
115 else if ((x + dx) < 0 || (x + dx) >= ns->mapx || (y + dy) < 0 || (y + dy) >= ns->mapy) 116 else if ((x + dx) < 0 || (x + dx) >= ns->mapx || (y + dy) < 0 || (y + dy) >= ns->mapy)
116 /* clear newly visible tiles within the viewable area */ 117 /* clear newly visible tiles within the viewable area */
117 memset (&(newmap.cells[x][y]), 0, sizeof (struct MapCell)); 118 memset (&(newmap.cells[x][y]), 0, sizeof (struct MapCell));
118 else 119 else
119 memcpy (&(newmap.cells[x][y]), &(ns->lastmap.cells[x + dx][y + dy]), sizeof (struct MapCell)); 120 memcpy (&(newmap.cells[x][y]), &(ns->lastmap.cells[x + dx][y + dy]), sizeof (struct MapCell));
120 }
121 }
122 121
123 memcpy (&(ns->lastmap), &newmap, sizeof (struct Map)); 122 memcpy (&(ns->lastmap), &newmap, sizeof (struct Map));
124 123
125 /* Make sure that the next "map1" command will be sent (even if it is 124 /* Make sure that the next "map1" command will be sent (even if it is
126 * empty). 125 * empty).
145 144
146static void 145static void
147send_map_info (player *pl) 146send_map_info (player *pl)
148{ 147{
149 client &socket = *pl->ns; 148 client &socket = *pl->ns;
150 object *ob = pl->observe; 149 object *ob = pl->viewpoint;
151 150
152 if (socket.mapinfocmd) 151 if (socket.mapinfocmd)
153 { 152 {
154 if (ob->map && ob->map->path[0]) 153 if (ob->map && ob->map->path[0])
155 { 154 {
172/** check for map/region change and send new map data */ 171/** check for map/region change and send new map data */
173static void 172static void
174check_map_change (player *pl) 173check_map_change (player *pl)
175{ 174{
176 client &socket = *pl->ns; 175 client &socket = *pl->ns;
177 object *ob = pl->observe; 176 object *ob = pl->viewpoint;
178 177
179 region *reg = ob->region (); 178 region *reg = ob->region ();
180 if (socket.current_region != reg) 179 if (socket.current_region != reg)
181 { 180 {
182 INVOKE_PLAYER (REGION_CHANGE, pl, ARG_REGION (reg), ARG_REGION (socket.current_region)); 181 INVOKE_PLAYER (REGION_CHANGE, pl, ARG_REGION (reg), ARG_REGION (socket.current_region));
212 else if (socket.current_x != ob->x || socket.current_y != ob->y) 211 else if (socket.current_x != ob->x || socket.current_y != ob->y)
213 { 212 {
214 int dx = ob->x - socket.current_x; 213 int dx = ob->x - socket.current_x;
215 int dy = ob->y - socket.current_y; 214 int dy = ob->y - socket.current_y;
216 215
217 if (socket.buggy_mapscroll && (abs (dx) > 8 || abs (dy) > 8))
218 clear_map (pl); // current (<= 1.9.1) clients have unchecked buffer overflows
219 else
220 {
221 socket_map_scroll (&socket, ob->x - socket.current_x, ob->y - socket.current_y); 216 socket_map_scroll (&socket, ob->x - socket.current_x, ob->y - socket.current_y);
222 socket.floorbox_reset (); 217 socket.floorbox_reset ();
223 }
224 } 218 }
225 219
226 socket.current_x = ob->x; 220 socket.current_x = ob->x;
227 socket.current_y = ob->y; 221 socket.current_y = ob->y;
222}
223
224/**
225 * This sends the skill number to name mapping. We ignore
226 * the params - we always send the same info no matter what.
227 */
228static void
229send_skill_info (client *ns, char *params)
230{
231 packet sl;
232 sl << "replyinfo skill_info\n";
233
234 for (int i = 1; i < NUM_SKILLS; i++)
235 sl.printf ("%d:%s\n", i + CS_STAT_SKILLINFO, &skill_names [i]);
236
237 if (sl.length () > MAXSOCKBUF)
238 {
239 LOG (llevError, "Buffer overflow in send_skill_info!\n");
240 fatal (0);
241 }
242
243 ns->send_packet (sl);
244}
245
246/**
247 * This sends the spell path to name mapping. We ignore
248 * the params - we always send the same info no matter what.
249 */
250static void
251send_spell_paths (client * ns, char *params)
252{
253 packet sl;
254
255 sl << "replyinfo spell_paths\n";
256
257 for (int i = 0; i < NRSPELLPATHS; i++)
258 sl.printf ("%d:%s\n", 1 << i, spellpathnames[i]);
259
260 if (sl.length () > MAXSOCKBUF)
261 {
262 LOG (llevError, "Buffer overflow in send_spell_paths!\n");
263 fatal (0);
264 }
265
266 ns->send_packet (sl);
228} 267}
229 268
230/** 269/**
231 * RequestInfo is sort of a meta command. There is some specific 270 * RequestInfo is sort of a meta command. There is some specific
232 * request of information, but we call other functions to provide 271 * request of information, but we call other functions to provide
245 { 284 {
246 *params++ = 0; 285 *params++ = 0;
247 break; 286 break;
248 } 287 }
249 288
250 if (!strcmp (buf, "image_info"))
251 send_image_info (ns, params);
252 else if (!strcmp (buf, "image_sums"))
253 send_image_sums (ns, params);
254 else if (!strcmp (buf, "skill_info")) 289 if (!strcmp (buf, "skill_info"))
255 send_skill_info (ns, params); 290 send_skill_info (ns, params);
256 else if (!strcmp (buf, "spell_paths")) 291 else if (!strcmp (buf, "spell_paths"))
257 send_spell_paths (ns, params); 292 send_spell_paths (ns, params);
258 else 293 else
259 { 294 {
275ExtiCmd (char *buf, int len, client *ns) 310ExtiCmd (char *buf, int len, client *ns)
276{ 311{
277 INVOKE_CLIENT (EXTICMD, ns, ARG_DATA (buf, len)); 312 INVOKE_CLIENT (EXTICMD, ns, ARG_DATA (buf, len));
278} 313}
279 314
315//-GPL
316
280void 317void
281client::mapinfo_queue_clear () 318client::mapinfo_queue_clear ()
282{ 319{
283 for (auto (i, mapinfo_queue.begin ()); i != mapinfo_queue.end (); ++i) 320 for (auto (i, mapinfo_queue.begin ()); i != mapinfo_queue.end (); ++i)
284 free (*i); 321 free (*i);
291{ 328{
292 char *token = buf; 329 char *token = buf;
293 buf += strlen (buf) + 9; 330 buf += strlen (buf) + 9;
294 331
295 // initial map and its origin 332 // initial map and its origin
296 maptile *map = pl->observe->map; 333 maptile *map = pl->viewpoint->map;
297 int mapx = pl->ns->mapx / 2 - pl->observe->x; 334 int mapx = pl->ns->mapx / 2 - pl->viewpoint->x;
298 int mapy = pl->ns->mapy / 2 - pl->observe->y; 335 int mapy = pl->ns->mapy / 2 - pl->viewpoint->y;
299 int max_distance = 8; // limit maximum path length to something generous 336 int max_distance = 8; // limit maximum path length to something generous
300 337
301 while (*buf && map && max_distance) 338 while (*buf && map && max_distance)
302 { 339 {
303 int dir = *buf++ - '1'; 340 int dir = *buf++ - '1';
408AddMeCmd (char *buf, int len, client *ns) 445AddMeCmd (char *buf, int len, client *ns)
409{ 446{
410 INVOKE_CLIENT (ADDME, ns, ARG_DATA (buf, len)); 447 INVOKE_CLIENT (ADDME, ns, ARG_DATA (buf, len));
411} 448}
412 449
413/** Reply to ExtendedInfos command */ 450//+GPL
414void
415ToggleExtendedInfos (char *buf, int len, client * ns)
416{
417 char cmdback[MAX_BUF];
418 char command[50];
419 int info, nextinfo;
420
421 cmdback[0] = '\0';
422 nextinfo = 0;
423
424 while (1)
425 {
426 /* 1. Extract an info */
427 info = nextinfo;
428
429 while ((info < len) && (buf[info] == ' '))
430 info++;
431
432 if (info >= len)
433 break;
434
435 nextinfo = info + 1;
436
437 while ((nextinfo < len) && (buf[nextinfo] != ' '))
438 nextinfo++;
439
440 if (nextinfo - info >= 49) /*Erroneous info asked */
441 continue;
442
443 strncpy (command, &(buf[info]), nextinfo - info);
444
445 /* 2. Interpret info */
446 if (!strcmp ("smooth", command))
447 /* Toggle smoothing */
448 ns->EMI_smooth = !ns->EMI_smooth;
449 else
450 /*bad value */;
451
452 /*3. Next info */
453 }
454
455 strcpy (cmdback, "ExtendedInfoSet");
456
457 if (ns->EMI_smooth)
458 {
459 strcat (cmdback, " ");
460 strcat (cmdback, "smoothing");
461 }
462
463 ns->send_packet (cmdback);
464}
465 451
466/* 452/*
467#define MSG_TYPE_BOOK 1 453#define MSG_TYPE_BOOK 1
468#define MSG_TYPE_CARD 2 454#define MSG_TYPE_CARD 2
469#define MSG_TYPE_PAPER 3 455#define MSG_TYPE_PAPER 3
486 while (1) 472 while (1)
487 { 473 {
488 /* 1. Extract an info */ 474 /* 1. Extract an info */
489 info = nextinfo; 475 info = nextinfo;
490 476
491 while ((info < len) && (buf[info] == ' ')) 477 while ((info < len) && (buf [info] == ' '))
492 info++; 478 info++;
493 479
494 if (info >= len) 480 if (info >= len)
495 break; 481 break;
496 482
497 nextinfo = info + 1; 483 nextinfo = info + 1;
498 484
499 while ((nextinfo < len) && (buf[nextinfo] != ' ')) 485 while ((nextinfo < len) && (buf [nextinfo] != ' '))
500 nextinfo++; 486 nextinfo++;
501 487
502 if (nextinfo - info >= 49) /*Erroneous info asked */ 488 if (nextinfo - info >= 49) /*Erroneous info asked */
503 continue; 489 continue;
504 490
505 strncpy (command, &(buf[info]), nextinfo - info); 491 memcpy (command, buf + info, nextinfo - info);
506 command[nextinfo - info] = '\0'; 492 command [nextinfo - info] = 0;
493
507 /* 2. Interpret info */ 494 /* 2. Interpret info */
508 i = sscanf (command, "%d", &flag); 495 i = sscanf (command, "%d", &flag);
509 496
510 if ((i == 1) && (flag > 0) && (flag <= MSG_TYPE_LAST)) 497 if ((i == 1) && (flag > 0) && (flag <= MSG_TYPE_LAST))
511 ns->supported_readables |= (1 << flag); 498 ns->supported_readables |= (1 << flag);
545 return; 532 return;
546 533
547 buf++; 534 buf++;
548 } 535 }
549 536
550 execute_newserver_command (pl->ob, (char *) buf); 537 execute_newserver_command (pl->ob, (char *)buf);
551 538
552 /* Perhaps something better should be done with a left over count. 539 /* Perhaps something better should be done with a left over count.
553 * Cleaning up the input should probably be done first - all actions 540 * Cleaning up the input should probably be done first - all actions
554 * for the command that issued the count should be done before any other 541 * for the command that issued the count should be done before any other
555 * commands. 542 * commands.
747 * Get player's current range attack in obuf. 734 * Get player's current range attack in obuf.
748 */ 735 */
749static void 736static void
750rangetostring (player *pl, char *obuf) 737rangetostring (player *pl, char *obuf)
751{ 738{
752 dynbuf_text buf; 739 dynbuf_text &buf = msg_dynbuf; buf.clear ();
753 740
754 if (pl->ranged_ob) 741 if (pl->ranged_ob)
755 buf << " Range" << (pl->ob->current_weapon == pl->ranged_ob ? "*" : "") << ": " << pl->ranged_ob->name; 742 buf << " Range" << (pl->ob->current_weapon == pl->ranged_ob ? "*" : "") << ": " << pl->ranged_ob->name;
756 743
757 if (pl->combat_ob) 744 if (pl->combat_ob)
988 975
989 /* Nothing changed */ 976 /* Nothing changed */
990 return 0; 977 return 0;
991} 978}
992 979
993/** 980//-GPL
994 * Returns the size of a data for a map square as returned by
995 * mapextended. There are CLIENTMAPX*CLIENTMAPY*LAYERS entries
996 * available.
997 */
998int
999getExtendedMapInfoSize (client * ns)
1000{
1001 int result = 0;
1002
1003 if (ns->ext_mapinfos)
1004 {
1005 if (ns->EMI_smooth)
1006 result += 1; /*One byte for smoothlevel */
1007 }
1008
1009 return result;
1010}
1011 981
1012// prefetch (and touch) all maps within a specific distancd 982// prefetch (and touch) all maps within a specific distancd
1013static void 983static void
1014prefetch_surrounding_maps (maptile *map, int distance) 984prefetch_surrounding_maps (maptile *map, int distance)
1015{ 985{
1016 map->last_access = runtime; 986 map->touch ();
1017 987
1018 if (--distance) 988 if (--distance)
1019 for (int dir = 4; --dir; ) 989 for (int dir = 4; --dir; )
1020 if (const shstr &path = map->tile_path [dir]) 990 if (const shstr &path = map->tile_path [dir])
1021 if (maptile *&neigh = map->tile_map [dir]) 991 if (maptile *&neigh = map->tile_map [dir])
1029prefetch_surrounding_maps (object *op) 999prefetch_surrounding_maps (object *op)
1030{ 1000{
1031 prefetch_surrounding_maps (op->map, 3); 1001 prefetch_surrounding_maps (op->map, 3);
1032} 1002}
1033 1003
1004//+GPL
1005
1034/** 1006/**
1035 * Draws client map. 1007 * Draws client map.
1036 */ 1008 */
1037void 1009void
1038draw_client_map (player *pl) 1010draw_client_map (player *pl)
1039{ 1011{
1040 object *ob = pl->observe; 1012 object *ob = pl->viewpoint;
1041 if (!ob->active) 1013 if (!pl->observe->active)
1042 return; 1014 return;
1043 1015
1044 /* If player is just joining the game, he isn't here yet, so the map 1016 /* If player is just joining the game, he isn't here yet, so the map
1045 * can get swapped out. If so, don't try to send them a map. All will 1017 * can get swapped out. If so, don't try to send them a map. All will
1046 * be OK once they really log in. 1018 * be OK once they really log in.
1047 */ 1019 */
1048 if (!ob->map || ob->map->in_memory != MAP_ACTIVE) 1020 if (!ob->map || ob->map->in_memory != MAP_ACTIVE)
1049 return; 1021 return;
1050 1022
1051 int startlen, oldlen; 1023 int startlen, oldlen;
1052 int estartlen, eoldlen;
1053 uint8 eentrysize;
1054 uint16 ewhatstart, ewhatflag;
1055 uint8 extendedinfos;
1056 1024
1057 check_map_change (pl); 1025 check_map_change (pl);
1058 prefetch_surrounding_maps (pl->ob); 1026 prefetch_surrounding_maps (pl->ob);
1059 1027
1060 /* do LOS after calls to update_position */ 1028 /* do LOS after calls to update_position */
1061 if (ob != pl->ob) 1029 /* unfortunately, we need to udpate los when observing, currently */
1062 clear_los (pl); 1030 if (pl->do_los || pl->viewpoint != pl->ob)
1063 else if (pl->do_los)
1064 { 1031 {
1065 update_los (ob);
1066 pl->do_los = 0; 1032 pl->do_los = 0;
1033 pl->update_los ();
1067 } 1034 }
1068 1035
1069 /** 1036 /**
1070 * This function uses the new map1 protocol command to send the map 1037 * This function uses the new map1 protocol command to send the map
1071 * to the client. It is necessary because the old map command supports 1038 * to the client. It is necessary because the old map command supports
1090 */ 1057 */
1091 1058
1092 client &socket = *pl->ns; 1059 client &socket = *pl->ns;
1093 1060
1094 packet sl (socket.mapmode == Map1Cmd ? "map1" : "map1a"); 1061 packet sl (socket.mapmode == Map1Cmd ? "map1" : "map1a");
1095 packet esl;
1096 1062
1097 startlen = sl.length (); 1063 startlen = sl.length ();
1098 1064
1099 /*Extendedmapinfo structure initialisation */
1100 if (socket.ext_mapinfos)
1101 {
1102 extendedinfos = EMI_NOREDRAW;
1103
1104 if (socket.EMI_smooth)
1105 extendedinfos |= EMI_SMOOTH;
1106
1107 ewhatstart = esl.length ();
1108 ewhatflag = extendedinfos; /*The EMI_NOREDRAW bit
1109 could need to be taken away */
1110 eentrysize = getExtendedMapInfoSize (&socket);
1111 esl << "mapextended "
1112 << uint8 (extendedinfos)
1113 << uint8 (eentrysize);
1114
1115 estartlen = esl.length ();
1116 }
1117
1118 /* We could do this logic as conditionals in the if statement,
1119 * but that started to get a bit messy to look at.
1120 */
1121 int hx = socket.mapx / 2; 1065 int hx = socket.mapx / 2;
1122 int hy = socket.mapy / 2; 1066 int hy = socket.mapy / 2;
1123 1067
1124 for (int dx = -hx; dx <= hx; dx++) 1068 ordered_mapwalk_begin (ob, -hx, -hy, hx, hy)
1069 int ax = dx + hx;
1070 int ay = dy + hy;
1071
1072 int mask = (ax << 10) | (ay << 4);
1073 MapCell &lastcell = socket.lastmap.cells[ax][ay];
1074
1075 /* If the coordinates are not valid, or it is too dark to see,
1076 * we tell the client as such
1077 */
1078 if (!m)
1125 { 1079 {
1126 sint16 nx, ny; 1080 /* space is out of map. Update space and clear values
1127 maptile *m = 0; 1081 * if this hasn't already been done. If the space is out
1128 1082 * of the map, it shouldn't have a head.
1129 for (int dy = -hy; dy <= hy; dy++) 1083 */
1084 if (lastcell.count != -1)
1130 { 1085 {
1131 // check to see if we can simply go one down quickly 1086 sl << uint16 (mask);
1132 if (m && ++ny >= m->height) 1087 map_clearcell (&lastcell, -1);
1088 }
1089
1090 continue;
1091 }
1092
1093 int d = pl->blocked_los_uc (dx, dy);
1094
1095 if (d > 3)
1096 {
1097 /* This block deals with spaces that are not visible for whatever
1098 * reason. Still may need to send the head for this space.
1099 */
1100 if (lastcell.count != -1
1101 || lastcell.faces[0]
1102 || lastcell.faces[1]
1103 || lastcell.faces[2]
1104 || lastcell.stat_hp
1105 || lastcell.flags
1106 || lastcell.player)
1107 sl << uint16 (mask);
1108
1109 /* properly clear a previously sent big face */
1110 map_clearcell (&lastcell, -1);
1111 }
1112 else
1113 {
1114 /* In this block, the space is visible.
1115 */
1116
1117 /* Rather than try to figure out what everything that we might
1118 * need to send is, then form the packet after that,
1119 * we presume that we will in fact form a packet, and update
1120 * the bits by what we do actually send. If we send nothing,
1121 * we just back out sl.length () to the old value, and no harm
1122 * is done.
1123 * I think this is simpler than doing a bunch of checks to see
1124 * what if anything we need to send, setting the bits, then
1125 * doing those checks again to add the real data.
1126 */
1127 oldlen = sl.length ();
1128
1129 sl << uint16 (mask);
1130
1131 unsigned char dummy;
1132 unsigned char *last_ext = &dummy;
1133
1134 /* Darkness changed */
1135 if (lastcell.count != d)
1136 {
1133 m = 0; 1137 mask |= 0x8;
1134 1138
1135 // no, so do it the slow way 1139 *last_ext |= 0x80;
1136 if (!m) 1140 last_ext = &sl[sl.length ()];
1141 sl << uint8 (d);
1142 }
1143
1144 lastcell.count = d;
1145
1146 mapspace &ms = m->at (nx, ny);
1147 ms.update ();
1148
1149 // extmap handling
1150 uint8 stat_hp = 0;
1151 uint8 stat_width = 0;
1152 uint8 flags = 0;
1153 tag_t player = 0;
1154
1155 // send hp information, if applicable
1156 if (object *op = ms.faces_obj [0])
1157 if (op->is_head () && !op->invisible)
1137 { 1158 {
1138 nx = ob->x + dx; ny = ob->y + dy; m = ob->map; 1159 if (op->stats.maxhp > op->stats.hp
1139 1160 && op->stats.maxhp > 0
1140 if (xy_normalise (m, nx, ny)) 1161 && (op->type == PLAYER
1141 m->touch (); 1162 || op->type == DOOR // does not work, have maxhp 0
1142 else 1163 || QUERY_FLAG (op, FLAG_MONSTER)
1164 || QUERY_FLAG (op, FLAG_ALIVE)
1165 || QUERY_FLAG (op, FLAG_GENERATOR)))
1143 m = 0; 1166 {
1167 stat_hp = 255 - (op->stats.hp * 255 + 254) / op->stats.maxhp;
1168 stat_width = op->arch->max_x - op->arch->x; //TODO: should be upper-left edge
1169 }
1170
1171 if (expect_false (op->has_dialogue ()))
1172 flags |= 1;
1173
1174 if (expect_false (op->type == PLAYER))
1175 player = op == ob ? pl->ob->count
1176 : op == pl->ob ? ob->count
1177 : op->count;
1144 } 1178 }
1145 1179
1146 int ax = dx + hx; 1180 if (expect_false (lastcell.stat_hp != stat_hp))
1147 int ay = dy + hy;
1148
1149 int emask, mask;
1150 emask = mask = (ax & 0x3f) << 10 | (ay & 0x3f) << 4;
1151
1152 MapCell &lastcell = socket.lastmap.cells[ax][ay];
1153
1154 /* If the coordinates are not valid, or it is too dark to see,
1155 * we tell the client as such
1156 */
1157 if (!m)
1158 { 1181 {
1159 /* space is out of map. Update space and clear values 1182 lastcell.stat_hp = stat_hp;
1160 * if this hasn't already been done. If the space is out 1183
1161 * of the map, it shouldn't have a head. 1184 mask |= 0x8;
1162 */ 1185 *last_ext |= 0x80;
1163 if (lastcell.count != -1) 1186 last_ext = &sl[sl.length ()];
1187
1188 sl << uint8 (5) << uint8 (stat_hp);
1189
1190 if (stat_width > 1)
1164 { 1191 {
1165 sl << uint16 (mask);
1166 map_clearcell (&lastcell, -1);
1167 }
1168
1169 continue;
1170 }
1171
1172 int d = pl->blocked_los_uc (dx, dy);
1173
1174 if (d > 3)
1175 {
1176 int need_send = 0, count;
1177
1178 /* This block deals with spaces that are not visible for whatever
1179 * reason. Still may need to send the head for this space.
1180 */
1181
1182 oldlen = sl.length ();
1183
1184 sl << uint16 (mask);
1185
1186 if (lastcell.count != -1)
1187 need_send = 1;
1188
1189 count = -1;
1190
1191 if (lastcell.faces[0] || lastcell.faces[1] || lastcell.faces[2]
1192 || lastcell.stat_hp || lastcell.flags || lastcell.player)
1193 need_send = 1;
1194
1195 /* properly clear a previously sent big face */
1196 map_clearcell (&lastcell, count);
1197
1198 if ((mask & 0xf) || need_send)
1199 sl[oldlen + 1] = mask & 0xff;
1200 else
1201 sl.reset (oldlen);
1202 }
1203 else
1204 {
1205 /* In this block, the space is visible.
1206 */
1207
1208 /* Rather than try to figure out what everything that we might
1209 * need to send is, then form the packet after that,
1210 * we presume that we will in fact form a packet, and update
1211 * the bits by what we do actually send. If we send nothing,
1212 * we just back out sl.length () to the old value, and no harm
1213 * is done.
1214 * I think this is simpler than doing a bunch of checks to see
1215 * what if anything we need to send, setting the bits, then
1216 * doing those checks again to add the real data.
1217 */
1218 oldlen = sl.length ();
1219 eoldlen = esl.length ();
1220
1221 sl << uint16 (mask);
1222
1223 unsigned char dummy;
1224 unsigned char *last_ext = &dummy;
1225
1226 /* Darkness changed */
1227 if (lastcell.count != d && socket.darkness)
1228 {
1229 mask |= 0x8;
1230
1231 if (socket.extmap)
1232 {
1233 *last_ext |= 0x80; 1192 *last_ext |= 0x80;
1234 last_ext = &sl[sl.length ()]; 1193 last_ext = &sl[sl.length ()];
1235 sl << uint8 (d); 1194
1236 } 1195 sl << uint8 (6) << uint8 (stat_width);
1237 else
1238 sl << uint8 (255 - 64 * d);
1239 } 1196 }
1197 }
1240 1198
1241 lastcell.count = d; 1199 if (expect_false (lastcell.player != player))
1242
1243 mapspace &ms = m->at (nx, ny);
1244 ms.update ();
1245
1246 if (socket.extmap)
1247 { 1200 {
1248 uint8 stat_hp = 0; 1201 lastcell.player = player;
1249 uint8 stat_width = 0;
1250 uint8 flags = 0;
1251 tag_t player = 0;
1252 1202
1253 // send hp information, if applicable
1254 if (object *op = ms.faces_obj [0])
1255 if (op->is_head () && !op->invisible)
1256 {
1257 if (op->stats.maxhp > op->stats.hp
1258 && op->stats.maxhp > 0
1259 && (op->type == PLAYER
1260 || op->type == DOOR // does not work, have maxhp 0
1261 || QUERY_FLAG (op, FLAG_MONSTER)
1262 || QUERY_FLAG (op, FLAG_ALIVE)
1263 || QUERY_FLAG (op, FLAG_GENERATOR)))
1264 {
1265 stat_hp = 255 - (op->stats.hp * 255 + 254) / op->stats.maxhp;
1266 stat_width = op->arch->max_x - op->arch->x; //TODO: should be upper-left edge
1267 }
1268
1269 if (op->has_dialogue ())
1270 flags |= 1;
1271
1272 if (op->type == PLAYER)
1273 player = op == ob ? pl->ob->count
1274 : op == pl->ob ? ob->count
1275 : op->count;
1276 }
1277
1278 if (lastcell.stat_hp != stat_hp)
1279 {
1280 lastcell.stat_hp = stat_hp;
1281
1282 mask |= 0x8; 1203 mask |= 0x8;
1283 *last_ext |= 0x80; 1204 *last_ext |= 0x80;
1284 last_ext = &sl[sl.length ()]; 1205 last_ext = &sl[sl.length ()];
1285 1206
1286 sl << uint8 (5) << uint8 (stat_hp);
1287
1288 if (stat_width > 1)
1289 {
1290 *last_ext |= 0x80;
1291 last_ext = &sl[sl.length ()];
1292
1293 sl << uint8 (6) << uint8 (stat_width);
1294 }
1295 }
1296
1297 if (lastcell.player != player)
1298 {
1299 lastcell.player = player;
1300
1301 mask |= 0x8;
1302 *last_ext |= 0x80;
1303 last_ext = &sl[sl.length ()];
1304
1305 sl << uint8 (0x47) << uint8 (4) << (uint32)player; 1207 sl << uint8 (0x47) << uint8 (4) << (uint32)player;
1306 } 1208 }
1307 1209
1308 if (lastcell.flags != flags) 1210 if (expect_false (lastcell.flags != flags))
1309 { 1211 {
1310 lastcell.flags = flags; 1212 lastcell.flags = flags;
1311 1213
1312 mask |= 0x8; 1214 mask |= 0x8;
1313 *last_ext |= 0x80; 1215 *last_ext |= 0x80;
1314 last_ext = &sl[sl.length ()]; 1216 last_ext = &sl[sl.length ()];
1315 1217
1316 sl << uint8 (8) << uint8 (flags); 1218 sl << uint8 (8) << uint8 (flags);
1317 }
1318 } 1219 }
1319 1220
1221 // faces
1222
1320 /* Floor face */ 1223 /* Floor face */
1321 if (update_space (sl, socket, ms, lastcell, 2)) 1224 if (update_space (sl, socket, ms, lastcell, 2))
1322 mask |= 0x4; 1225 mask |= 0x4;
1323 1226
1324 /* Middle face */ 1227 /* Middle face */
1325 if (update_space (sl, socket, ms, lastcell, 1)) 1228 if (update_space (sl, socket, ms, lastcell, 1))
1326 mask |= 0x2; 1229 mask |= 0x2;
1327 1230
1328 if (ob->invisible 1231 if (expect_false (ob->invisible)
1329 && ob->invisible & (ob->invisible < 50 ? 1 : 7) 1232 && ob->invisible & (ob->invisible < 50 ? 1 : 7)
1330 && ms.player () == ob) 1233 && ms.player () == ob)
1331 { 1234 {
1332 // force player to be visible to himself if invisible 1235 // force player to be visible to himself if invisible
1333 if (lastcell.faces[0] != ob->face) 1236 if (lastcell.faces[0] != ob->face)
1334 { 1237 {
1335 lastcell.faces[0] = ob->face; 1238 lastcell.faces[0] = ob->face;
1336 1239
1337 mask |= 0x1;
1338 sl << uint16 (ob->face);
1339
1340 socket.send_faces (ob);
1341 }
1342 }
1343 /* Top face */
1344 else if (update_space (sl, socket, ms, lastcell, 0))
1345 mask |= 0x1; 1240 mask |= 0x1;
1241 sl << uint16 (ob->face);
1346 1242
1243 socket.send_faces (ob);
1244 }
1245 }
1246 /* Top face */
1247 else if (update_space (sl, socket, ms, lastcell, 0))
1248 mask |= 0x1;
1249
1347 /* Check to see if we are in fact sending anything for this 1250 /* Check to see if we are in fact sending anything for this
1348 * space by checking the mask. If so, update the mask. 1251 * space by checking the mask. If so, update the mask.
1349 * if not, reset the len to that from before adding the mask 1252 * if not, reset the len to that from before adding the mask
1350 * value, so we don't send those bits. 1253 * value, so we don't send those bits.
1351 */ 1254 */
1352 if (mask & 0xf) 1255 if (mask & 0xf)
1353 sl[oldlen + 1] = mask & 0xff; 1256 sl[oldlen + 1] = mask & 0xff;
1354 else 1257 else
1355 sl.reset (oldlen); 1258 sl.reset (oldlen);
1356
1357 if (socket.ext_mapinfos)
1358 esl << uint16 (emask);
1359
1360 if (socket.EMI_smooth)
1361 {
1362 for (int layer = 2+1; layer--; )
1363 {
1364 object *ob = ms.faces_obj [layer];
1365
1366 // If there is no object for this space, or if the face for the object
1367 // is the blank face, set the smoothlevel to zero.
1368 int smoothlevel = ob && ob->face != blank_face ? ob->smoothlevel : 0;
1369
1370 // We've gotten what face we want to use for the object. Now see if
1371 // if it has changed since we last sent it to the client.
1372 if (lastcell.smooth[layer] != smoothlevel)
1373 {
1374 lastcell.smooth[layer] = smoothlevel;
1375 esl << uint8 (smoothlevel);
1376 emask |= 1 << layer;
1377 }
1378 }
1379
1380 if (emask & 0xf)
1381 esl[eoldlen + 1] = emask & 0xff;
1382 else
1383 esl.reset (eoldlen);
1384 }
1385 } /* else this is a viewable space */ 1259 } /* else this is a viewable space */
1386 } /* for x loop */ 1260 ordered_mapwalk_end
1387 } /* for y loop */
1388 1261
1389 socket.flush_fx (); 1262 socket.flush_fx ();
1390
1391 /* Verify that we in fact do need to send this */
1392 if (socket.ext_mapinfos)
1393 {
1394 if (!(sl.length () > startlen || socket.sent_scroll))
1395 {
1396 /* No map data will follow, so don't say the client
1397 * it doesn't need draw!
1398 */
1399 ewhatflag &= ~EMI_NOREDRAW;
1400 esl[ewhatstart + 1] = ewhatflag & 0xff;
1401 }
1402
1403 if (esl.length () > estartlen)
1404 socket.send_packet (esl);
1405 }
1406 1263
1407 if (sl.length () > startlen || socket.sent_scroll) 1264 if (sl.length () > startlen || socket.sent_scroll)
1408 { 1265 {
1409 socket.send_packet (sl); 1266 socket.send_packet (sl);
1410 socket.sent_scroll = 0; 1267 socket.sent_scroll = 0;
1411 } 1268 }
1412}
1413
1414/*****************************************************************************/
1415/* GROS: The following one is used to allow a plugin to send a generic cmd to*/
1416/* a player. Of course, the client need to know the command to be able to */
1417/* manage it ! */
1418/*****************************************************************************/
1419void
1420send_plugin_custom_message (object *pl, char *buf)
1421{
1422 pl->contr->ns->send_packet (buf);
1423}
1424
1425/**
1426 * This sends the skill number to name mapping. We ignore
1427 * the params - we always send the same info no matter what.
1428 */
1429void
1430send_skill_info (client *ns, char *params)
1431{
1432 packet sl;
1433 sl << "replyinfo skill_info\n";
1434
1435 for (int i = 1; i < NUM_SKILLS; i++)
1436 sl.printf ("%d:%s\n", i + CS_STAT_SKILLINFO, &skill_names [i]);
1437
1438 if (sl.length () > MAXSOCKBUF)
1439 {
1440 LOG (llevError, "Buffer overflow in send_skill_info!\n");
1441 fatal (0);
1442 }
1443
1444 ns->send_packet (sl);
1445}
1446
1447/**
1448 * This sends the spell path to name mapping. We ignore
1449 * the params - we always send the same info no matter what.
1450 */
1451void
1452send_spell_paths (client * ns, char *params)
1453{
1454 packet sl;
1455
1456 sl << "replyinfo spell_paths\n";
1457
1458 for (int i = 0; i < NRSPELLPATHS; i++)
1459 sl.printf ("%d:%s\n", 1 << i, spellpathnames[i]);
1460
1461 if (sl.length () > MAXSOCKBUF)
1462 {
1463 LOG (llevError, "Buffer overflow in send_spell_paths!\n");
1464 fatal (0);
1465 }
1466
1467 ns->send_packet (sl);
1468} 1269}
1469 1270
1470/** 1271/**
1471 * This looks for any spells the player may have that have changed their stats. 1272 * This looks for any spells the player may have that have changed their stats.
1472 * it then sends an updspell packet for each spell that has changed in this way 1273 * it then sends an updspell packet for each spell that has changed in this way
1654 /* finally, we can send the packet */ 1455 /* finally, we can send the packet */
1655 pl->ns->flush_fx (); 1456 pl->ns->flush_fx ();
1656 pl->ns->send_packet (sl); 1457 pl->ns->send_packet (sl);
1657} 1458}
1658 1459
1460//-GPL
1461

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