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Comparing deliantra/server/socket/request.C (file contents):
Revision 1.83 by root, Mon Apr 2 18:04:47 2007 UTC vs.
Revision 1.117 by root, Sun Jul 29 18:34:46 2007 UTC

1/* 1/*
2 * CrossFire, A Multiplayer game for X-windows 2 * This file is part of Crossfire TRT, the Roguelike Realtime MORPG.
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
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 3 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, see <http://www.gnu.org/licenses/>.
20 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
21 * 20 *
22 * The author can be reached via e-mail to <crossfire@schmorp.de> 21 * The authors can be reached via e-mail to <crossfire@schmorp.de>
23 */ 22 */
24 23
25/** 24/**
26 * \file 25 * \file
27 * Client handling. 26 * Client handling.
145/** check for map/region change and send new map data */ 144/** check for map/region change and send new map data */
146static void 145static void
147check_map_change (player *pl) 146check_map_change (player *pl)
148{ 147{
149 client &socket = *pl->ns; 148 client &socket = *pl->ns;
150 object *ob = pl->ob; 149 object *ob = pl->observe;
151 char buf[MAX_BUF]; /* eauugggh */
152 150
153 if (socket.force_newmap) 151 if (socket.current_map != ob->map || socket.force_newmap)
154 {
155 // force newmap is used for clients that do not redraw their map
156 // after image uploads.
157 socket.current_map = ob->map;
158 clear_map (pl);
159 }
160 else if (socket.current_map != ob->map)
161 { 152 {
162 clear_map (pl); 153 clear_map (pl);
163 socket.current_map = ob->map; 154 socket.current_map = ob->map;
164 155
165 if (socket.mapinfocmd) 156 if (socket.mapinfocmd)
166 { 157 {
167 if (ob->map && ob->map->path[0]) 158 if (ob->map && ob->map->path[0])
168 { 159 {
169 int flags = 0; 160 int flags = 0;
170 161
171 if (ob->map->tile_path[0]) 162 if (ob->map->tile_path[0]) flags |= 1;
172 flags |= 1;
173 if (ob->map->tile_path[1]) 163 if (ob->map->tile_path[1]) flags |= 2;
174 flags |= 2;
175 if (ob->map->tile_path[2]) 164 if (ob->map->tile_path[2]) flags |= 4;
176 flags |= 4;
177 if (ob->map->tile_path[3]) 165 if (ob->map->tile_path[3]) flags |= 8;
178 flags |= 8;
179 166
180 snprintf (buf, MAX_BUF, "mapinfo - spatial %d %d %d %d %d %s", 167 socket.send_packet_printf ("mapinfo - spatial %d %d %d %d %d %s",
181 flags, socket.mapx / 2 - ob->x, socket.mapy / 2 - ob->y, ob->map->width, ob->map->height, &ob->map->path); 168 flags, socket.mapx / 2 - ob->x, socket.mapy / 2 - ob->y,
169 ob->map->width, ob->map->height, &ob->map->path);
182 } 170 }
183 else 171 else
184 snprintf (buf, MAX_BUF, "mapinfo current");
185
186 socket.send_packet (buf); 172 socket.send_packet ("mapinfo current");
187 } 173 }
188 } 174 }
189 else if (socket.current_x != ob->x || socket.current_y != ob->y) 175 else if (socket.current_x != ob->x || socket.current_y != ob->y)
190 { 176 {
191 int dx = ob->x - socket.current_x; 177 int dx = ob->x - socket.current_x;
204 socket.current_y = ob->y; 190 socket.current_y = ob->y;
205 191
206 region *reg = ob->region (); 192 region *reg = ob->region ();
207 if (socket.current_region != reg) 193 if (socket.current_region != reg)
208 { 194 {
195 INVOKE_PLAYER (REGION_CHANGE, pl, ARG_REGION (reg), ARG_REGION (socket.current_region));
209 socket.current_region = reg; 196 socket.current_region = reg;
210 socket.send_packet_printf ("drawinfo 0 You are now %s.\n(use whereami for more details)", &reg->longname);
211 } 197 }
212} 198}
213 199
214/** 200/**
215 * RequestInfo is sort of a meta command. There is some specific 201 * RequestInfo is sort of a meta command. There is some specific
216 * request of information, but we call other functions to provide 202 * request of information, but we call other functions to provide
217 * that information. 203 * that information.
218 */ 204 */
219void 205void
220RequestInfo (char *buf, int len, client * ns) 206RequestInfo (char *buf, int len, client *ns)
221{ 207{
222 char *params = NULL, *cp; 208 char *params;
223
224 /* No match */
225 char bigbuf[MAX_BUF];
226 int slen;
227
228 /* Set up replyinfo before we modify any of the buffers - this is used
229 * if we don't find a match.
230 */
231 strcpy (bigbuf, "replyinfo ");
232 slen = strlen (bigbuf);
233 safe_strcat (bigbuf, buf, &slen, MAX_BUF);
234 209
235 /* find the first space, make it null, and update the 210 /* find the first space, make it null, and update the
236 * params pointer. 211 * params pointer.
237 */ 212 */
238 for (cp = buf; *cp != '\0'; cp++) 213 for (params = buf; *params; params++)
239 if (*cp == ' ') 214 if (*params == ' ')
240 { 215 {
241 *cp = '\0';
242 params = cp + 1; 216 *params++ = 0;
243 break; 217 break;
244 } 218 }
245 219
246 if (!strcmp (buf, "image_info")) 220 if (!strcmp (buf, "image_info"))
247 send_image_info (ns, params); 221 send_image_info (ns, params);
250 else if (!strcmp (buf, "skill_info")) 224 else if (!strcmp (buf, "skill_info"))
251 send_skill_info (ns, params); 225 send_skill_info (ns, params);
252 else if (!strcmp (buf, "spell_paths")) 226 else if (!strcmp (buf, "spell_paths"))
253 send_spell_paths (ns, params); 227 send_spell_paths (ns, params);
254 else 228 else
255 ns->send_packet (bigbuf, len); 229 {
230 // undo tokenisation above and send replyinfo with the request unchanged
231 if (*params)
232 *--params = ' ';
233
234 ns->send_packet_printf ("replyinfo %s", buf);
235 }
256} 236}
257 237
258void 238void
259ExtCmd (char *buf, int len, player *pl) 239ExtCmd (char *buf, int len, player *pl)
260{ 240{
332 snprintf (bigbuf, MAX_BUF, "mapinfo %s error", token); 312 snprintf (bigbuf, MAX_BUF, "mapinfo %s error", token);
333 else if (map && map->path[0]) 313 else if (map && map->path[0])
334 { 314 {
335 int flags = 0; 315 int flags = 0;
336 316
337 if (map->tile_path[0]) 317 if (map->tile_path[0]) flags |= 1;
338 flags |= 1;
339 if (map->tile_path[1]) 318 if (map->tile_path[1]) flags |= 2;
340 flags |= 2;
341 if (map->tile_path[2]) 319 if (map->tile_path[2]) flags |= 4;
342 flags |= 4;
343 if (map->tile_path[3]) 320 if (map->tile_path[3]) flags |= 8;
344 flags |= 8;
345 321
346 snprintf (bigbuf, MAX_BUF, "mapinfo %s spatial %d %d %d %d %d %s", token, flags, mapx, mapy, map->width, map->height, &map->path); 322 snprintf (bigbuf, MAX_BUF, "mapinfo %s spatial %d %d %d %d %d %s", token, flags, mapx, mapy, map->width, map->height, &map->path);
347 } 323 }
348 else 324 else
349 snprintf (bigbuf, MAX_BUF, "mapinfo %s nomap", token); 325 snprintf (bigbuf, MAX_BUF, "mapinfo %s nomap", token);
488 464
489 ns->send_packet (cmdback); 465 ns->send_packet (cmdback);
490} 466}
491 467
492/** 468/**
493 * client requested an image. send it rate-limited
494 * before flushing.
495 */
496void
497AskFaceCmd (char *buf, int len, client *ns)
498{
499 ns->askface.push_back (atoi (buf));
500}
501
502/**
503 * Tells client the picture it has to use
504 * to smooth a picture number given as argument.
505 */
506void
507AskSmooth (char *buf, int len, client *ns)
508{
509 ns->send_face (atoi (buf));
510}
511
512/**
513 * This handles the general commands from the client (ie, north, fire, cast, 469 * This handles the general commands from the client (ie, north, fire, cast,
514 * etc.) 470 * etc.)
515 */ 471 */
516void 472void
517PlayerCmd (char *buf, int len, player *pl) 473PlayerCmd (char *buf, int len, player *pl)
538 * commands. 494 * commands.
539 */ 495 */
540 pl->count = 0; 496 pl->count = 0;
541} 497}
542 498
543
544/** 499/**
545 * This handles the general commands from the client (ie, north, fire, cast, 500 * This handles the general commands from the client (ie, north, fire, cast,
546 * etc.). It is a lot like PlayerCmd above, but is called with the 501 * etc.). It is a lot like PlayerCmd above, but is called with the
547 * 'ncom' method which gives more information back to the client so it 502 * 'ncom' method which gives more information back to the client so it
548 * can throttle. 503 * can throttle.
550void 505void
551NewPlayerCmd (char *buf, int len, player *pl) 506NewPlayerCmd (char *buf, int len, player *pl)
552{ 507{
553 if (len <= 6) 508 if (len <= 6)
554 { 509 {
555 LOG (llevDebug, "Corrupt ncom command <%s> not long enough - discarding\n", buf); 510 LOG (llevDebug, "%s: corrupt ncom command <%s>: not long enough (%d) - discarding\n", pl->ns->host, buf, len);
556 return; 511 return;
557 } 512 }
558 513
559 uint16 cmdid = net_uint16 ((uint8 *)buf); 514 uint16 cmdid = net_uint16 ((uint8 *)buf);
560 sint32 repeat = net_sint32 ((uint8 *)buf + 2); 515 sint32 repeat = net_sint32 ((uint8 *)buf + 2);
617 { 572 {
618 case ST_PLAYING: 573 case ST_PLAYING:
619 LOG (llevError, "Got reply message with ST_PLAYING input state\n"); 574 LOG (llevError, "Got reply message with ST_PLAYING input state\n");
620 break; 575 break;
621 576
622 case ST_CHANGE_CLASS:
623 key_change_class (pl->ob, buf[0]);
624 break;
625
626 case ST_GET_PARTY_PASSWORD: /* Get password for party */ 577 case ST_GET_PARTY_PASSWORD: /* Get password for party */
627 receive_party_password (pl->ob, 13); 578 receive_party_password (pl->ob, 13);
628 break; 579 break;
629 580
630 default: 581 default:
669 620
670 cp = strchr (cp + 1, ' '); 621 cp = strchr (cp + 1, ' ');
671 622
672 if (cp) 623 if (cp)
673 { 624 {
674 assign (ns->version, cp + 1); 625 ns->version = cp + 1;
675 626
676 if (ns->sc_version < 1026) 627 if (ns->sc_version < 1026)
677 ns->send_packet_printf ("drawinfo %d %s", NDI_RED, 628 ns->send_packet_printf ("drawinfo %d %s", NDI_RED,
678 "**** VERSION WARNING ****\n**** CLIENT IS TOO OLD!! UPDATE THE CLIENT!! ****"); 629 "**** VERSION WARNING ****\n**** CLIENT IS TOO OLD!! UPDATE THE CLIENT!! ****");
679 } 630 }
744send_query (client *ns, uint8 flags, const char *text) 695send_query (client *ns, uint8 flags, const char *text)
745{ 696{
746 ns->send_packet_printf ("query %d %s", flags, text ? text : ""); 697 ns->send_packet_printf ("query %d %s", flags, text ? text : "");
747} 698}
748 699
700/**
701 * Get player's current range attack in obuf.
702 */
703static void
704rangetostring (player *pl, char *obuf)
705{
706 dynbuf_text buf;
707
708 if (pl->ranged_ob)
709 buf << " Range" << (pl->ob->current_weapon == pl->ranged_ob ? "*" : "") << ": " << pl->ranged_ob->name;
710
711 if (pl->combat_ob)
712 buf << " Combat" << (pl->ob->current_weapon == pl->combat_ob ? "*" : "") << ": " << pl->combat_ob->name;
713
714#if 0
715 //TODO: remove this when slot system is working, this is only for debugging
716 if (pl->ob->chosen_skill)
717 buf << " Skill*: " << pl->ob->chosen_skill->name;
718#endif
719
720 //TODO: maybe golem should become the current_weapon, quite simply?
721 if (pl->golem)
722 buf << " Golem*: " << pl->golem->name;
723
724 buf << '\0';
725 buf.linearise (obuf);
726}
727
749#define AddIfInt64(Old,New,Type) if (Old != New) {\ 728#define AddIfInt64(Old,New,Type) if (Old != New) {\
750 Old = New; \ 729 Old = New; \
751 sl << uint8 (Type) << uint64 (New); \ 730 sl << uint8 (Type) << uint64 (New); \
752 } 731 }
753 732
759#define AddIfShort(Old,New,Type) if (Old != New) {\ 738#define AddIfShort(Old,New,Type) if (Old != New) {\
760 Old = New; \ 739 Old = New; \
761 sl << uint8 (Type) << uint16 (New); \ 740 sl << uint8 (Type) << uint16 (New); \
762 } 741 }
763 742
764#define AddIfFloat(Old,New,Type) if (Old != New) {\ 743#define AddIfFloat(Old,New,Type,mult) if (Old != New) {\
765 Old = New; \ 744 Old = New; \
766 sl << uint8 (Type) << uint32 (New*FLOAT_MULTI); \ 745 sl << uint8 (Type) << uint32 (New*FLOAT_MULTI*mult); \
767 } 746 }
768 747
769#define AddIfString(Old,New,Type) if (Old == NULL || strcmp(Old,New)) {\ 748#define AddIfString(Old,New,Type) if (Old == NULL || strcmp(Old,New)) {\
770 free(Old); Old = strdup (New);\ 749 free(Old); Old = strdup (New);\
771 sl << uint8 (Type) << data8 (New); \ 750 sl << uint8 (Type) << data8 (New); \
785 764
786 client *ns = pl->ns; 765 client *ns = pl->ns;
787 if (!ns) 766 if (!ns)
788 return; 767 return;
789 768
790 object *ob = pl->ob; 769 object *ob = pl->observe;
791 if (!ob) 770 if (!ob)
792 return; 771 return;
772
773 player *opl = ob->contr ? static_cast<player *>(ob->contr) : pl;
793 774
794 packet sl ("stats"); 775 packet sl ("stats");
795 776
796 AddIfShort (ns->last_stats.hp, ob->stats.hp, CS_STAT_HP); 777 AddIfShort (ns->last_stats.hp, ob->stats.hp, CS_STAT_HP);
797 AddIfShort (ns->last_stats.maxhp, ob->stats.maxhp, CS_STAT_MAXHP); 778 AddIfShort (ns->last_stats.maxhp, ob->stats.maxhp, CS_STAT_MAXHP);
806 AddIfShort (ns->last_stats.Wis, ob->stats.Wis, CS_STAT_WIS); 787 AddIfShort (ns->last_stats.Wis, ob->stats.Wis, CS_STAT_WIS);
807 AddIfShort (ns->last_stats.Pow, ob->stats.Pow, CS_STAT_POW); 788 AddIfShort (ns->last_stats.Pow, ob->stats.Pow, CS_STAT_POW);
808 AddIfShort (ns->last_stats.Cha, ob->stats.Cha, CS_STAT_CHA); 789 AddIfShort (ns->last_stats.Cha, ob->stats.Cha, CS_STAT_CHA);
809 790
810 for (int s = 0; s < NUM_SKILLS; s++) 791 for (int s = 0; s < NUM_SKILLS; s++)
811 if (object *skill = pl->last_skill_ob[s]) 792 if (object *skill = opl->last_skill_ob[s])
812 if (skill->stats.exp != ns->last_skill_exp [s]) 793 if (skill->stats.exp != ns->last_skill_exp [s])
813 { 794 {
814 ns->last_skill_exp [s] = skill->stats.exp; 795 ns->last_skill_exp [s] = skill->stats.exp;
815 796
816 /* Always send along the level if exp changes. This is only 797 /* Always send along the level if exp changes. This is only
824 AddIfInt64 (ns->last_stats.exp, ob->stats.exp, CS_STAT_EXP64); 805 AddIfInt64 (ns->last_stats.exp, ob->stats.exp, CS_STAT_EXP64);
825 AddIfShort (ns->last_level, ob->level, CS_STAT_LEVEL); 806 AddIfShort (ns->last_level, ob->level, CS_STAT_LEVEL);
826 AddIfShort (ns->last_stats.wc, ob->stats.wc, CS_STAT_WC); 807 AddIfShort (ns->last_stats.wc, ob->stats.wc, CS_STAT_WC);
827 AddIfShort (ns->last_stats.ac, ob->stats.ac, CS_STAT_AC); 808 AddIfShort (ns->last_stats.ac, ob->stats.ac, CS_STAT_AC);
828 AddIfShort (ns->last_stats.dam, ob->stats.dam, CS_STAT_DAM); 809 AddIfShort (ns->last_stats.dam, ob->stats.dam, CS_STAT_DAM);
829 AddIfFloat (ns->last_speed, ob->speed, CS_STAT_SPEED); 810 AddIfFloat (ns->last_speed, ob->speed, CS_STAT_SPEED, 1.f/TICK);
830 AddIfShort (ns->last_stats.food, ob->stats.food, CS_STAT_FOOD); 811 AddIfShort (ns->last_stats.food, ob->stats.food, CS_STAT_FOOD);
831 AddIfFloat (ns->last_weapon_sp, pl->weapon_sp, CS_STAT_WEAP_SP); 812 AddIfFloat (ns->last_weapon_sp, pl->weapon_sp, CS_STAT_WEAP_SP, 1.f/TICK);
832 AddIfInt (ns->last_weight_limit, weight_limit[ob->stats.Str], CS_STAT_WEIGHT_LIM); 813 AddIfInt (ns->last_weight_limit, weight_limit[ob->stats.Str], CS_STAT_WEIGHT_LIM);
833 814
834 flags = 0; 815 flags = 0;
835 816
836 if (pl->fire_on) 817 if (opl->fire_on)
837 flags |= SF_FIREON; 818 flags |= SF_FIREON;
838 819
839 if (pl->run_on) 820 if (opl->run_on)
840 flags |= SF_RUNON; 821 flags |= SF_RUNON;
841 822
842 AddIfShort (ns->last_flags, flags, CS_STAT_FLAGS); 823 AddIfShort (ns->last_flags, flags, CS_STAT_FLAGS);
843 824
844 if (ns->sc_version < 1025) 825 if (ns->sc_version < 1025)
858 AddIfInt (ns->last_path_attuned, ob->path_attuned, CS_STAT_SPELL_ATTUNE); 839 AddIfInt (ns->last_path_attuned, ob->path_attuned, CS_STAT_SPELL_ATTUNE);
859 AddIfInt (ns->last_path_repelled, ob->path_repelled, CS_STAT_SPELL_REPEL); 840 AddIfInt (ns->last_path_repelled, ob->path_repelled, CS_STAT_SPELL_REPEL);
860 AddIfInt (ns->last_path_denied, ob->path_denied, CS_STAT_SPELL_DENY); 841 AddIfInt (ns->last_path_denied, ob->path_denied, CS_STAT_SPELL_DENY);
861 } 842 }
862 843
863 rangetostring (ob, buf); /* we want use the new fire & run system in new client */ 844 rangetostring (opl, buf); /* we want use the new fire & run system in new client */
864 AddIfString (ns->stats.range, buf, CS_STAT_RANGE); 845 AddIfString (ns->stats.range, buf, CS_STAT_RANGE);
865 set_title (ob, buf); 846 set_title (ob, buf);
866 AddIfString (ns->stats.title, buf, CS_STAT_TITLE); 847 AddIfString (ns->stats.title, buf, CS_STAT_TITLE);
867 848
868 /* Only send it away if we have some actual data */ 849 /* Only send it away if we have some actual data */
950 931
951 if (!ns.faces_sent[face_num]) 932 if (!ns.faces_sent[face_num])
952 if (ob) 933 if (ob)
953 ns.send_faces (ob); 934 ns.send_faces (ob);
954 else 935 else
955 ns.send_face (face_num); 936 ns.send_face (face_num, 10);
956 937
957 sl << uint16 (face_num); 938 sl << uint16 (face_num);
958 return 1; 939 return 1;
959 } 940 }
960 941
1002{ 983{
1003 prefetch_surrounding_maps (op->map, 3); 984 prefetch_surrounding_maps (op->map, 3);
1004} 985}
1005 986
1006/** 987/**
1007 * This function uses the new map1 protocol command to send the map 988 * Draws client map.
1008 * to the client. It is necessary because the old map command supports
1009 * a maximum map size of 15x15.
1010 * This function is much simpler than the old one. This is because
1011 * the old function optimized to send as few face identifiers as possible,
1012 * at the expense of sending more coordinate location (coordinates were
1013 * only 1 byte, faces 2 bytes, so this was a worthwhile savings). Since
1014 * we need 2 bytes for coordinates and 2 bytes for faces, such a trade off
1015 * maps no sense. Instead, we actually really only use 12 bits for coordinates,
1016 * and use the other 4 bits for other informatiion. For full documentation
1017 * of what we send, see the doc/Protocol file.
1018 * I will describe internally what we do:
1019 * the ns->lastmap shows how the map last looked when sent to the client.
1020 * in the lastmap structure, there is a cells array, which is set to the
1021 * maximum viewable size (As set in config.h).
1022 * in the cells, there are faces and a count value.
1023 * we use the count value to hold the darkness value. If -1, then this space
1024 * is not viewable.
1025 * we use faces[0] faces[1] faces[2] to hold what the three layers
1026 * look like.
1027 */ 989 */
1028void 990void
1029draw_client_map1 (object *pl) 991draw_client_map (player *pl)
1030{ 992{
993 object *ob = pl->observe;
994 if (!ob->active)
995 return;
996
997 maptile *plmap = ob->map;
998
999 /* If player is just joining the game, he isn't here yet, so the map
1000 * can get swapped out. If so, don't try to send them a map. All will
1001 * be OK once they really log in.
1002 */
1003 if (!plmap || plmap->in_memory != MAP_IN_MEMORY)
1004 return;
1005
1031 int x, y, ax, ay, startlen, max_x, max_y, oldlen; 1006 int x, y, ax, ay, startlen, max_x, max_y, oldlen;
1032 sint16 nx, ny;
1033 int estartlen, eoldlen; 1007 int estartlen, eoldlen;
1034 uint8 eentrysize; 1008 uint8 eentrysize;
1035 uint16 ewhatstart, ewhatflag; 1009 uint16 ewhatstart, ewhatflag;
1036 uint8 extendedinfos; 1010 uint8 extendedinfos;
1037 maptile *m;
1038 1011
1039 client &socket = *pl->contr->ns;
1040
1041 if (!pl->active)
1042 return;
1043
1044 check_map_change (pl->contr); 1012 check_map_change (pl);
1045 prefetch_surrounding_maps (pl); 1013 prefetch_surrounding_maps (pl->ob);
1014
1015 /* do LOS after calls to update_position */
1016 if (ob != pl->ob)
1017 clear_los (pl);
1018 else if (pl->do_los)
1019 {
1020 update_los (ob);
1021 pl->do_los = 0;
1022 }
1023
1024 /**
1025 * This function uses the new map1 protocol command to send the map
1026 * to the client. It is necessary because the old map command supports
1027 * a maximum map size of 15x15.
1028 * This function is much simpler than the old one. This is because
1029 * the old function optimized to send as few face identifiers as possible,
1030 * at the expense of sending more coordinate location (coordinates were
1031 * only 1 byte, faces 2 bytes, so this was a worthwhile savings). Since
1032 * we need 2 bytes for coordinates and 2 bytes for faces, such a trade off
1033 * maps no sense. Instead, we actually really only use 12 bits for coordinates,
1034 * and use the other 4 bits for other informatiion. For full documentation
1035 * of what we send, see the doc/Protocol file.
1036 * I will describe internally what we do:
1037 * the ns->lastmap shows how the map last looked when sent to the client.
1038 * in the lastmap structure, there is a cells array, which is set to the
1039 * maximum viewable size (As set in config.h).
1040 * in the cells, there are faces and a count value.
1041 * we use the count value to hold the darkness value. If -1, then this space
1042 * is not viewable.
1043 * we use faces[0] faces[1] faces[2] to hold what the three layers
1044 * look like.
1045 */
1046
1047 client &socket = *pl->ns;
1046 1048
1047 packet sl (socket.mapmode == Map1Cmd ? "map1" : "map1a"); 1049 packet sl (socket.mapmode == Map1Cmd ? "map1" : "map1a");
1048 packet esl; 1050 packet esl;
1049 1051
1050 startlen = sl.length (); 1052 startlen = sl.length ();
1074 ay = 0; 1076 ay = 0;
1075 1077
1076 /* We could do this logic as conditionals in the if statement, 1078 /* We could do this logic as conditionals in the if statement,
1077 * but that started to get a bit messy to look at. 1079 * but that started to get a bit messy to look at.
1078 */ 1080 */
1079 max_x = pl->x + (socket.mapx + 1) / 2; 1081 max_x = ob->x + (socket.mapx + 1) / 2;
1080 max_y = pl->y + (socket.mapy + 1) / 2; 1082 max_y = ob->y + (socket.mapy + 1) / 2;
1081 1083
1082 maptile *plmap = pl->map;
1083
1084 for (y = pl->y - socket.mapy / 2; y < max_y; y++, ay++) 1084 for (y = ob->y - socket.mapy / 2; y < max_y; y++, ay++)
1085 { 1085 {
1086 sint16 nx, ny;
1087 maptile *m = 0;
1088
1086 ax = 0; 1089 ax = 0;
1087 for (x = pl->x - socket.mapx / 2; x < max_x; x++, ax++) 1090 for (x = ob->x - socket.mapx / 2; x < max_x; x++, ax++)
1088 { 1091 {
1092 // check to see if we can simply go one right quickly
1093 ++nx;
1094 if (m && nx >= m->width)
1095 m = 0;
1096
1097 if (!m)
1098 {
1099 nx = x; ny = y; m = plmap;
1100
1101 if (!xy_normalise (m, nx, ny))
1102 m = 0;
1103 }
1104
1089 int emask, mask; 1105 int emask, mask;
1090 emask = mask = (ax & 0x3f) << 10 | (ay & 0x3f) << 4; 1106 emask = mask = (ax & 0x3f) << 10 | (ay & 0x3f) << 4;
1091 1107
1092 MapCell &lastcell = socket.lastmap.cells[ax][ay]; 1108 MapCell &lastcell = socket.lastmap.cells[ax][ay];
1093 1109
1094 /* If the coordinates are not valid, or it is too dark to see, 1110 /* If the coordinates are not valid, or it is too dark to see,
1095 * we tell the client as such 1111 * we tell the client as such
1096 */ 1112 */
1097 nx = x;
1098 ny = y;
1099 m = get_map_from_coord (plmap, &nx, &ny);
1100
1101 if (!m) 1113 if (!m)
1102 { 1114 {
1103 /* space is out of map. Update space and clear values 1115 /* space is out of map. Update space and clear values
1104 * if this hasn't already been done. If the space is out 1116 * if this hasn't already been done. If the space is out
1105 * of the map, it shouldn't have a head 1117 * of the map, it shouldn't have a head
1113 continue; 1125 continue;
1114 } 1126 }
1115 1127
1116 m->touch (); 1128 m->touch ();
1117 1129
1118 int d = pl->contr->blocked_los[ax][ay]; 1130 int d = pl->blocked_los[ax][ay];
1119 1131
1120 if (d > 3) 1132 if (d > 3)
1121 { 1133 {
1122 1134
1123 int need_send = 0, count; 1135 int need_send = 0, count;
1186 } 1198 }
1187 1199
1188 lastcell.count = d; 1200 lastcell.count = d;
1189 1201
1190 mapspace &ms = m->at (nx, ny); 1202 mapspace &ms = m->at (nx, ny);
1203 ms.update ();
1191 1204
1192 if (socket.extmap) 1205 if (socket.extmap)
1193 { 1206 {
1194 uint8 stat_hp = 0; 1207 uint8 stat_hp = 0;
1195 uint8 stat_width = 0; 1208 uint8 stat_width = 0;
1196 uint8 flags = 0; 1209 uint8 flags = 0;
1197 UUID player = 0; 1210 tag_t player = 0;
1198 1211
1199 // send hp information, if applicable 1212 // send hp information, if applicable
1200 if (object *op = ms.faces_obj [0]) 1213 if (object *op = ms.faces_obj [0])
1201 { 1214 {
1202 if (op->head || op->invisible) 1215 if (op->head || op->invisible)
1205 || QUERY_FLAG (op, FLAG_MONSTER) || QUERY_FLAG (op, FLAG_ALIVE) || QUERY_FLAG (op, FLAG_GENERATOR)) 1218 || QUERY_FLAG (op, FLAG_MONSTER) || QUERY_FLAG (op, FLAG_ALIVE) || QUERY_FLAG (op, FLAG_GENERATOR))
1206 { 1219 {
1207 if (op->stats.maxhp > 0 && (unsigned) op->stats.maxhp > (unsigned) op->stats.hp) 1220 if (op->stats.maxhp > 0 && (unsigned) op->stats.maxhp > (unsigned) op->stats.hp)
1208 { 1221 {
1209 stat_hp = 255 - (op->stats.hp * 255 + 254) / op->stats.maxhp; 1222 stat_hp = 255 - (op->stats.hp * 255 + 254) / op->stats.maxhp;
1210 stat_width = op->arch->tail_x; 1223 stat_width = op->arch->max_x - op->arch->x; //TODO: should be upper-left edge
1211 } 1224 }
1212 } 1225 }
1213 1226
1214 if (op->msg && op->msg[0] == '@') 1227 if (op->msg && op->msg[0] == '@')
1215 flags |= 1; 1228 flags |= 1;
1216 1229
1217 if (op->type == PLAYER && op != pl) 1230 if (op->type == PLAYER && op != ob)
1218 player = op->count; 1231 player = op->count;
1219 } 1232 }
1220 1233
1221 if (lastcell.stat_hp != stat_hp) 1234 if (lastcell.stat_hp != stat_hp)
1222 { 1235 {
1243 1256
1244 mask |= 0x8; 1257 mask |= 0x8;
1245 *last_ext |= 0x80; 1258 *last_ext |= 0x80;
1246 last_ext = &sl[sl.length ()]; 1259 last_ext = &sl[sl.length ()];
1247 1260
1248 sl << uint8 (0x47) << uint8 (8) << (uint64)player; 1261 sl << uint8 (0x47) << uint8 (4) << (uint32)player;
1249 } 1262 }
1250 1263
1251 if (lastcell.flags != flags) 1264 if (lastcell.flags != flags)
1252 { 1265 {
1253 lastcell.flags = flags; 1266 lastcell.flags = flags;
1266 1279
1267 /* Middle face */ 1280 /* Middle face */
1268 if (update_space (sl, socket, ms, lastcell, 1)) 1281 if (update_space (sl, socket, ms, lastcell, 1))
1269 mask |= 0x2; 1282 mask |= 0x2;
1270 1283
1271 if (ms.player () == pl 1284 if (ms.player () == ob
1272 && (pl->invisible & (pl->invisible < 50 ? 1 : 7))) 1285 && (ob->invisible & (ob->invisible < 50 ? 1 : 7)))
1273 { 1286 {
1274 // force player to be visible to himself if invisible 1287 // force player to be visible to himself if invisible
1275 if (lastcell.faces[0] != pl->face) 1288 if (lastcell.faces[0] != ob->face)
1276 { 1289 {
1277 lastcell.faces[0] = pl->face; 1290 lastcell.faces[0] = ob->face;
1278 1291
1279 mask |= 0x1; 1292 mask |= 0x1;
1280 sl << uint16 (pl->face); 1293 sl << uint16 (ob->face);
1281 1294
1282 socket.send_faces (pl); 1295 socket.send_faces (ob);
1283 } 1296 }
1284 } 1297 }
1285 /* Top face */ 1298 /* Top face */
1286 else if (update_space (sl, socket, ms, lastcell, 0)) 1299 else if (update_space (sl, socket, ms, lastcell, 0))
1287 mask |= 0x1; 1300 mask |= 0x1;
1288
1289 1301
1290 /* Check to see if we are in fact sending anything for this 1302 /* Check to see if we are in fact sending anything for this
1291 * space by checking the mask. If so, update the mask. 1303 * space by checking the mask. If so, update the mask.
1292 * if not, reset the len to that from before adding the mask 1304 * if not, reset the len to that from before adding the mask
1293 * value, so we don't send those bits. 1305 * value, so we don't send those bits.
1327 } 1339 }
1328 } /* else this is a viewable space */ 1340 } /* else this is a viewable space */
1329 } /* for x loop */ 1341 } /* for x loop */
1330 } /* for y loop */ 1342 } /* for y loop */
1331 1343
1344 socket.flush_fx ();
1345
1332 /* Verify that we in fact do need to send this */ 1346 /* Verify that we in fact do need to send this */
1333 if (socket.ext_mapinfos) 1347 if (socket.ext_mapinfos)
1334 { 1348 {
1335 if (!(sl.length () > startlen || socket.sent_scroll)) 1349 if (!(sl.length () > startlen || socket.sent_scroll))
1336 { 1350 {
1350 socket.send_packet (sl); 1364 socket.send_packet (sl);
1351 socket.sent_scroll = 0; 1365 socket.sent_scroll = 0;
1352 } 1366 }
1353} 1367}
1354 1368
1355/**
1356 * Draws client map.
1357 */
1358void
1359draw_client_map (object *pl)
1360{
1361 int i, j;
1362 sint16 ax, ay; /* ax and ay goes from 0 to max-size of arrays */
1363 int mflags;
1364 struct Map newmap;
1365 maptile *m, *pm;
1366
1367 if (pl->type != PLAYER)
1368 {
1369 LOG (llevError, "draw_client_map called with non player/non eric-server\n");
1370 return;
1371 }
1372
1373 pm = pl->map;
1374
1375 /* If player is just joining the game, he isn't here yet, so the map
1376 * can get swapped out. If so, don't try to send them a map. All will
1377 * be OK once they really log in.
1378 */
1379 if (pm == NULL || pm->in_memory != MAP_IN_MEMORY)
1380 return;
1381
1382 memset (&newmap, 0, sizeof (struct Map));
1383
1384 for (j = (pl->y - pl->contr->ns->mapy / 2); j < (pl->y + (pl->contr->ns->mapy + 1) / 2); j++)
1385 for (i = (pl->x - pl->contr->ns->mapx / 2); i < (pl->x + (pl->contr->ns->mapx + 1) / 2); i++)
1386 {
1387 ax = i;
1388 ay = j;
1389 m = pm;
1390 mflags = get_map_flags (m, &m, ax, ay, &ax, &ay);
1391
1392 if (mflags & P_OUT_OF_MAP)
1393 continue;
1394
1395 /* If a map is visible to the player, we don't want to swap it out
1396 * just to reload it. This should really call something like
1397 * swap_map, but this is much more efficient and 'good enough'
1398 */
1399 if (mflags & P_NEW_MAP)
1400 m->timeout = 50;
1401 }
1402
1403 /* do LOS after calls to update_position */
1404 if (pl->contr->do_los)
1405 {
1406 update_los (pl);
1407 pl->contr->do_los = 0;
1408 }
1409
1410 /* Big maps need a different drawing mechanism to work */
1411 draw_client_map1 (pl);
1412}
1413
1414
1415/*****************************************************************************/ 1369/*****************************************************************************/
1416
1417/* GROS: The following one is used to allow a plugin to send a generic cmd to*/ 1370/* GROS: The following one is used to allow a plugin to send a generic cmd to*/
1418
1419/* a player. Of course, the client need to know the command to be able to */ 1371/* a player. Of course, the client need to know the command to be able to */
1420
1421/* manage it ! */ 1372/* manage it ! */
1422
1423/*****************************************************************************/ 1373/*****************************************************************************/
1424void 1374void
1425send_plugin_custom_message (object *pl, char *buf) 1375send_plugin_custom_message (object *pl, char *buf)
1426{ 1376{
1427 pl->contr->ns->send_packet (buf); 1377 pl->contr->ns->send_packet (buf);
1579 if (!spell->face) 1529 if (!spell->face)
1580 { 1530 {
1581 LOG (llevError, "%s: spell has no face, but face is mandatory.\n", &spell->name); 1531 LOG (llevError, "%s: spell has no face, but face is mandatory.\n", &spell->name);
1582 spell->face = face_find ("burnout.x11", blank_face); 1532 spell->face = face_find ("burnout.x11", blank_face);
1583 } 1533 }
1534
1535 pl->ns->send_face (spell->face);
1584 1536
1585 /* send the current values */ 1537 /* send the current values */
1586 sl << uint32 (spell->count) 1538 sl << uint32 (spell->count)
1587 << uint16 (spell->level) 1539 << uint16 (spell->level)
1588 << uint16 (spell->casting_time) 1540 << uint16 (spell->casting_time)
1624 * bytes and 3 strings (because that is the spec) so we need to 1576 * bytes and 3 strings (because that is the spec) so we need to
1625 * check that the length of those 3 strings, plus the 23 bytes, 1577 * check that the length of those 3 strings, plus the 23 bytes,
1626 * won't take us over the length limit for the socket, if it does, 1578 * won't take us over the length limit for the socket, if it does,
1627 * we need to send what we already have, and restart packet formation 1579 * we need to send what we already have, and restart packet formation
1628 */ 1580 */
1581 if (spell->type != SPELL)
1582 continue;
1583
1629 /* Seeing crashes by overflowed buffers. Quick arithemetic seems 1584 /* Seeing crashes by overflowed buffers. Quick arithemetic seems
1630 * to show add_spell is 26 bytes + 2 strings. However, the overun 1585 * to show add_spell is 26 bytes + 2 strings. However, the overun
1631 * is hundreds of bytes off, so correcting 22 vs 26 doesn't seem 1586 * is hundreds of bytes off, so correcting 22 vs 26 doesn't seem
1632 * like it will fix this 1587 * like it will fix this
1633 */ 1588 */
1634 if (spell->type != SPELL)
1635 continue;
1636
1637 if (sl.length () >= (MAXSOCKBUF - (26 + strlen (spell->name) + (spell->msg ? strlen (spell->msg) : 0)))) 1589 if (sl.length () >= (MAXSOCKBUF - (26 + strlen (spell->name) + (spell->msg ? strlen (spell->msg) : 0))))
1638 { 1590 {
1591 pl->ns->flush_fx ();
1639 pl->ns->send_packet (sl); 1592 pl->ns->send_packet (sl);
1640 1593
1641 sl.reset (); 1594 sl.reset ();
1642 sl << "addspell "; 1595 sl << "addspell ";
1643 } 1596 }
1658 LOG (llevError, "Buffer overflow in esrv_add_spells!\n"); 1611 LOG (llevError, "Buffer overflow in esrv_add_spells!\n");
1659 fatal (0); 1612 fatal (0);
1660 } 1613 }
1661 1614
1662 /* finally, we can send the packet */ 1615 /* finally, we can send the packet */
1616 pl->ns->flush_fx ();
1663 pl->ns->send_packet (sl); 1617 pl->ns->send_packet (sl);
1664} 1618}
1665 1619

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