1 | /* |
1 | /* |
2 | * CrossFire, A Multiplayer game for X-windows |
2 | * This file is part of Crossfire TRT, the Multiplayer Online Role Playing Game. |
3 | * |
3 | * |
4 | * Copyright (C) 2005, 2006, 2007 Marc Lehmann & Crossfire+ Development Team |
4 | * Copyright (©) 2005,2006,2007 Marc Alexander Lehmann / Robin Redeker / the Crossfire TRT team |
5 | * Copyright (C) 2001 Mark Wedel |
5 | * Copyright (©) 2001,2007 Mark Wedel |
6 | * Copyright (C) 1992 Frank Tore Johansen |
6 | * Copyright (©) 1992,2007 Frank Tore Johansen |
7 | * |
7 | * |
8 | * This program is free software; you can redistribute it and/or modify |
8 | * Crossfire TRT is free software; you can redistribute it and/or modify it |
9 | * it under the terms of the GNU General Public License as published by |
9 | * under the terms of the GNU General Public License as published by the Free |
10 | * the Free Software Foundation; either version 2 of the License, or |
10 | * Software Foundation; either version 2 of the License, or (at your option) |
11 | * (at your option) any later version. |
11 | * any later version. |
12 | * |
12 | * |
13 | * This program is distributed in the hope that it will be useful, |
13 | * This program is distributed in the hope that it will be useful, but |
14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
14 | * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY |
15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
15 | * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
16 | * GNU General Public License for more details. |
16 | * for more details. |
17 | * |
17 | * |
18 | * You should have received a copy of the GNU General Public License |
18 | * You should have received a copy of the GNU General Public License along |
19 | * along with this program; if not, write to the Free Software |
19 | * with Crossfire TRT; if not, write to the Free Software Foundation, Inc. 51 |
20 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
20 | * Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
21 | * |
21 | * |
22 | * The author can be reached via e-mail to <crossfire@schmorp.de> |
22 | * The authors can be reached via e-mail to <crossfire@schmorp.de> |
23 | */ |
23 | */ |
24 | |
24 | |
25 | /** |
25 | /** |
26 | * \file |
26 | * \file |
27 | * Client handling. |
27 | * Client handling. |
… | |
… | |
145 | /** check for map/region change and send new map data */ |
145 | /** check for map/region change and send new map data */ |
146 | static void |
146 | static void |
147 | check_map_change (player *pl) |
147 | check_map_change (player *pl) |
148 | { |
148 | { |
149 | client &socket = *pl->ns; |
149 | client &socket = *pl->ns; |
150 | object *ob = pl->ob; |
150 | object *ob = pl->observe; |
151 | char buf[MAX_BUF]; /* eauugggh */ |
|
|
152 | |
151 | |
153 | if (socket.force_newmap) |
152 | 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 | { |
153 | { |
162 | clear_map (pl); |
154 | clear_map (pl); |
163 | socket.current_map = ob->map; |
155 | socket.current_map = ob->map; |
164 | |
156 | |
165 | if (socket.mapinfocmd) |
157 | if (socket.mapinfocmd) |
166 | { |
158 | { |
167 | if (ob->map && ob->map->path[0]) |
159 | if (ob->map && ob->map->path[0]) |
168 | { |
160 | { |
169 | int flags = 0; |
161 | int flags = 0; |
170 | |
162 | |
171 | if (ob->map->tile_path[0]) |
163 | if (ob->map->tile_path[0]) flags |= 1; |
172 | flags |= 1; |
|
|
173 | if (ob->map->tile_path[1]) |
164 | if (ob->map->tile_path[1]) flags |= 2; |
174 | flags |= 2; |
|
|
175 | if (ob->map->tile_path[2]) |
165 | if (ob->map->tile_path[2]) flags |= 4; |
176 | flags |= 4; |
|
|
177 | if (ob->map->tile_path[3]) |
166 | if (ob->map->tile_path[3]) flags |= 8; |
178 | flags |= 8; |
|
|
179 | |
167 | |
180 | snprintf (buf, MAX_BUF, "mapinfo - spatial %d %d %d %d %d %s", |
168 | socket.send_packet_printf ("mapinfo - spatial %d %d %d %d %d %s", |
181 | flags, socket.mapx / 2 - ob->x, socket.mapy / 2 - ob->y, ob->map->width, ob->map->height, &ob->map->path); |
169 | flags, socket.mapx / 2 - ob->x, socket.mapy / 2 - ob->y, |
|
|
170 | ob->map->width, ob->map->height, &ob->map->path); |
182 | } |
171 | } |
183 | else |
172 | else |
184 | snprintf (buf, MAX_BUF, "mapinfo current"); |
|
|
185 | |
|
|
186 | socket.send_packet (buf); |
173 | socket.send_packet ("mapinfo current"); |
187 | } |
174 | } |
188 | } |
175 | } |
189 | else if (socket.current_x != ob->x || socket.current_y != ob->y) |
176 | else if (socket.current_x != ob->x || socket.current_y != ob->y) |
190 | { |
177 | { |
191 | int dx = ob->x - socket.current_x; |
178 | int dx = ob->x - socket.current_x; |
… | |
… | |
332 | snprintf (bigbuf, MAX_BUF, "mapinfo %s error", token); |
319 | snprintf (bigbuf, MAX_BUF, "mapinfo %s error", token); |
333 | else if (map && map->path[0]) |
320 | else if (map && map->path[0]) |
334 | { |
321 | { |
335 | int flags = 0; |
322 | int flags = 0; |
336 | |
323 | |
337 | if (map->tile_path[0]) |
324 | if (map->tile_path[0]) flags |= 1; |
338 | flags |= 1; |
|
|
339 | if (map->tile_path[1]) |
325 | if (map->tile_path[1]) flags |= 2; |
340 | flags |= 2; |
|
|
341 | if (map->tile_path[2]) |
326 | if (map->tile_path[2]) flags |= 4; |
342 | flags |= 4; |
|
|
343 | if (map->tile_path[3]) |
327 | if (map->tile_path[3]) flags |= 8; |
344 | flags |= 8; |
|
|
345 | |
328 | |
346 | snprintf (bigbuf, MAX_BUF, "mapinfo %s spatial %d %d %d %d %d %s", token, flags, mapx, mapy, map->width, map->height, &map->path); |
329 | snprintf (bigbuf, MAX_BUF, "mapinfo %s spatial %d %d %d %d %d %s", token, flags, mapx, mapy, map->width, map->height, &map->path); |
347 | } |
330 | } |
348 | else |
331 | else |
349 | snprintf (bigbuf, MAX_BUF, "mapinfo %s nomap", token); |
332 | snprintf (bigbuf, MAX_BUF, "mapinfo %s nomap", token); |
… | |
… | |
505 | */ |
488 | */ |
506 | void |
489 | void |
507 | AskSmooth (char *buf, int len, client *ns) |
490 | AskSmooth (char *buf, int len, client *ns) |
508 | { |
491 | { |
509 | ns->send_face (atoi (buf)); |
492 | ns->send_face (atoi (buf)); |
|
|
493 | ns->flush_fx (); |
510 | } |
494 | } |
511 | |
495 | |
512 | /** |
496 | /** |
513 | * This handles the general commands from the client (ie, north, fire, cast, |
497 | * This handles the general commands from the client (ie, north, fire, cast, |
514 | * etc.) |
498 | * etc.) |
… | |
… | |
537 | * for the command that issued the count should be done before any other |
521 | * for the command that issued the count should be done before any other |
538 | * commands. |
522 | * commands. |
539 | */ |
523 | */ |
540 | pl->count = 0; |
524 | pl->count = 0; |
541 | } |
525 | } |
542 | |
|
|
543 | |
526 | |
544 | /** |
527 | /** |
545 | * This handles the general commands from the client (ie, north, fire, cast, |
528 | * This handles the general commands from the client (ie, north, fire, cast, |
546 | * etc.). It is a lot like PlayerCmd above, but is called with the |
529 | * etc.). It is a lot like PlayerCmd above, but is called with the |
547 | * 'ncom' method which gives more information back to the client so it |
530 | * 'ncom' method which gives more information back to the client so it |
… | |
… | |
617 | { |
600 | { |
618 | case ST_PLAYING: |
601 | case ST_PLAYING: |
619 | LOG (llevError, "Got reply message with ST_PLAYING input state\n"); |
602 | LOG (llevError, "Got reply message with ST_PLAYING input state\n"); |
620 | break; |
603 | break; |
621 | |
604 | |
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 */ |
605 | case ST_GET_PARTY_PASSWORD: /* Get password for party */ |
627 | receive_party_password (pl->ob, 13); |
606 | receive_party_password (pl->ob, 13); |
628 | break; |
607 | break; |
629 | |
608 | |
630 | default: |
609 | default: |
… | |
… | |
669 | |
648 | |
670 | cp = strchr (cp + 1, ' '); |
649 | cp = strchr (cp + 1, ' '); |
671 | |
650 | |
672 | if (cp) |
651 | if (cp) |
673 | { |
652 | { |
674 | assign (ns->version, cp + 1); |
653 | ns->version = cp + 1; |
675 | |
654 | |
676 | if (ns->sc_version < 1026) |
655 | if (ns->sc_version < 1026) |
677 | ns->send_packet_printf ("drawinfo %d %s", NDI_RED, |
656 | ns->send_packet_printf ("drawinfo %d %s", NDI_RED, |
678 | "**** VERSION WARNING ****\n**** CLIENT IS TOO OLD!! UPDATE THE CLIENT!! ****"); |
657 | "**** VERSION WARNING ****\n**** CLIENT IS TOO OLD!! UPDATE THE CLIENT!! ****"); |
679 | } |
658 | } |
… | |
… | |
744 | send_query (client *ns, uint8 flags, const char *text) |
723 | send_query (client *ns, uint8 flags, const char *text) |
745 | { |
724 | { |
746 | ns->send_packet_printf ("query %d %s", flags, text ? text : ""); |
725 | ns->send_packet_printf ("query %d %s", flags, text ? text : ""); |
747 | } |
726 | } |
748 | |
727 | |
|
|
728 | /** |
|
|
729 | * Get player's current range attack in obuf. |
|
|
730 | */ |
|
|
731 | static void |
|
|
732 | rangetostring (player *pl, char *obuf) |
|
|
733 | { |
|
|
734 | dynbuf_text buf; |
|
|
735 | |
|
|
736 | if (pl->ranged_ob) |
|
|
737 | buf << " Range" << (pl->ob->current_weapon == pl->ranged_ob ? "*" : "") << ": " << pl->ranged_ob->name; |
|
|
738 | |
|
|
739 | if (pl->combat_ob) |
|
|
740 | buf << " Combat" << (pl->ob->current_weapon == pl->combat_ob ? "*" : "") << ": " << pl->combat_ob->name; |
|
|
741 | |
|
|
742 | #if 0 |
|
|
743 | //TODO: remove this when slot system is working, this is only for debugging |
|
|
744 | if (pl->ob->chosen_skill) |
|
|
745 | buf << " Skill*: " << pl->ob->chosen_skill->name; |
|
|
746 | #endif |
|
|
747 | |
|
|
748 | //TODO: maybe golem should become the current_weapon, quite simply? |
|
|
749 | if (pl->golem) |
|
|
750 | buf << " Golem*: " << pl->golem->name; |
|
|
751 | |
|
|
752 | buf.linearise (obuf); |
|
|
753 | obuf [buf.size ()] = 0; |
|
|
754 | } |
|
|
755 | |
749 | #define AddIfInt64(Old,New,Type) if (Old != New) {\ |
756 | #define AddIfInt64(Old,New,Type) if (Old != New) {\ |
750 | Old = New; \ |
757 | Old = New; \ |
751 | sl << uint8 (Type) << uint64 (New); \ |
758 | sl << uint8 (Type) << uint64 (New); \ |
752 | } |
759 | } |
753 | |
760 | |
… | |
… | |
759 | #define AddIfShort(Old,New,Type) if (Old != New) {\ |
766 | #define AddIfShort(Old,New,Type) if (Old != New) {\ |
760 | Old = New; \ |
767 | Old = New; \ |
761 | sl << uint8 (Type) << uint16 (New); \ |
768 | sl << uint8 (Type) << uint16 (New); \ |
762 | } |
769 | } |
763 | |
770 | |
764 | #define AddIfFloat(Old,New,Type) if (Old != New) {\ |
771 | #define AddIfFloat(Old,New,Type,mult) if (Old != New) {\ |
765 | Old = New; \ |
772 | Old = New; \ |
766 | sl << uint8 (Type) << uint32 (New*FLOAT_MULTI); \ |
773 | sl << uint8 (Type) << uint32 (New*FLOAT_MULTI*mult); \ |
767 | } |
774 | } |
768 | |
775 | |
769 | #define AddIfString(Old,New,Type) if (Old == NULL || strcmp(Old,New)) {\ |
776 | #define AddIfString(Old,New,Type) if (Old == NULL || strcmp(Old,New)) {\ |
770 | free(Old); Old = strdup (New);\ |
777 | free(Old); Old = strdup (New);\ |
771 | sl << uint8 (Type) << data8 (New); \ |
778 | sl << uint8 (Type) << data8 (New); \ |
… | |
… | |
785 | |
792 | |
786 | client *ns = pl->ns; |
793 | client *ns = pl->ns; |
787 | if (!ns) |
794 | if (!ns) |
788 | return; |
795 | return; |
789 | |
796 | |
790 | object *ob = pl->ob; |
797 | object *ob = pl->observe; |
791 | if (!ob) |
798 | if (!ob) |
792 | return; |
799 | return; |
|
|
800 | |
|
|
801 | player *opl = ob->contr ? static_cast<player *>(ob->contr) : pl; |
793 | |
802 | |
794 | packet sl ("stats"); |
803 | packet sl ("stats"); |
795 | |
804 | |
796 | AddIfShort (ns->last_stats.hp, ob->stats.hp, CS_STAT_HP); |
805 | AddIfShort (ns->last_stats.hp, ob->stats.hp, CS_STAT_HP); |
797 | AddIfShort (ns->last_stats.maxhp, ob->stats.maxhp, CS_STAT_MAXHP); |
806 | AddIfShort (ns->last_stats.maxhp, ob->stats.maxhp, CS_STAT_MAXHP); |
… | |
… | |
806 | AddIfShort (ns->last_stats.Wis, ob->stats.Wis, CS_STAT_WIS); |
815 | AddIfShort (ns->last_stats.Wis, ob->stats.Wis, CS_STAT_WIS); |
807 | AddIfShort (ns->last_stats.Pow, ob->stats.Pow, CS_STAT_POW); |
816 | AddIfShort (ns->last_stats.Pow, ob->stats.Pow, CS_STAT_POW); |
808 | AddIfShort (ns->last_stats.Cha, ob->stats.Cha, CS_STAT_CHA); |
817 | AddIfShort (ns->last_stats.Cha, ob->stats.Cha, CS_STAT_CHA); |
809 | |
818 | |
810 | for (int s = 0; s < NUM_SKILLS; s++) |
819 | for (int s = 0; s < NUM_SKILLS; s++) |
811 | if (object *skill = pl->last_skill_ob[s]) |
820 | if (object *skill = opl->last_skill_ob[s]) |
812 | if (skill->stats.exp != ns->last_skill_exp [s]) |
821 | if (skill->stats.exp != ns->last_skill_exp [s]) |
813 | { |
822 | { |
814 | ns->last_skill_exp [s] = skill->stats.exp; |
823 | ns->last_skill_exp [s] = skill->stats.exp; |
815 | |
824 | |
816 | /* Always send along the level if exp changes. This is only |
825 | /* Always send along the level if exp changes. This is only |
… | |
… | |
824 | AddIfInt64 (ns->last_stats.exp, ob->stats.exp, CS_STAT_EXP64); |
833 | AddIfInt64 (ns->last_stats.exp, ob->stats.exp, CS_STAT_EXP64); |
825 | AddIfShort (ns->last_level, ob->level, CS_STAT_LEVEL); |
834 | AddIfShort (ns->last_level, ob->level, CS_STAT_LEVEL); |
826 | AddIfShort (ns->last_stats.wc, ob->stats.wc, CS_STAT_WC); |
835 | AddIfShort (ns->last_stats.wc, ob->stats.wc, CS_STAT_WC); |
827 | AddIfShort (ns->last_stats.ac, ob->stats.ac, CS_STAT_AC); |
836 | AddIfShort (ns->last_stats.ac, ob->stats.ac, CS_STAT_AC); |
828 | AddIfShort (ns->last_stats.dam, ob->stats.dam, CS_STAT_DAM); |
837 | AddIfShort (ns->last_stats.dam, ob->stats.dam, CS_STAT_DAM); |
829 | AddIfFloat (ns->last_speed, ob->speed, CS_STAT_SPEED); |
838 | AddIfFloat (ns->last_speed, ob->speed, CS_STAT_SPEED, 1.f/TICK); |
830 | AddIfShort (ns->last_stats.food, ob->stats.food, CS_STAT_FOOD); |
839 | AddIfShort (ns->last_stats.food, ob->stats.food, CS_STAT_FOOD); |
831 | AddIfFloat (ns->last_weapon_sp, pl->weapon_sp, CS_STAT_WEAP_SP); |
840 | 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); |
841 | AddIfInt (ns->last_weight_limit, weight_limit[ob->stats.Str], CS_STAT_WEIGHT_LIM); |
833 | |
842 | |
834 | flags = 0; |
843 | flags = 0; |
835 | |
844 | |
836 | if (pl->fire_on) |
845 | if (opl->fire_on) |
837 | flags |= SF_FIREON; |
846 | flags |= SF_FIREON; |
838 | |
847 | |
839 | if (pl->run_on) |
848 | if (opl->run_on) |
840 | flags |= SF_RUNON; |
849 | flags |= SF_RUNON; |
841 | |
850 | |
842 | AddIfShort (ns->last_flags, flags, CS_STAT_FLAGS); |
851 | AddIfShort (ns->last_flags, flags, CS_STAT_FLAGS); |
843 | |
852 | |
844 | if (ns->sc_version < 1025) |
853 | if (ns->sc_version < 1025) |
… | |
… | |
858 | AddIfInt (ns->last_path_attuned, ob->path_attuned, CS_STAT_SPELL_ATTUNE); |
867 | 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); |
868 | 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); |
869 | AddIfInt (ns->last_path_denied, ob->path_denied, CS_STAT_SPELL_DENY); |
861 | } |
870 | } |
862 | |
871 | |
863 | rangetostring (ob, buf); /* we want use the new fire & run system in new client */ |
872 | rangetostring (opl, buf); /* we want use the new fire & run system in new client */ |
864 | AddIfString (ns->stats.range, buf, CS_STAT_RANGE); |
873 | AddIfString (ns->stats.range, buf, CS_STAT_RANGE); |
865 | set_title (ob, buf); |
874 | set_title (ob, buf); |
866 | AddIfString (ns->stats.title, buf, CS_STAT_TITLE); |
875 | AddIfString (ns->stats.title, buf, CS_STAT_TITLE); |
867 | |
876 | |
868 | /* Only send it away if we have some actual data */ |
877 | /* Only send it away if we have some actual data */ |
… | |
… | |
1002 | { |
1011 | { |
1003 | prefetch_surrounding_maps (op->map, 3); |
1012 | prefetch_surrounding_maps (op->map, 3); |
1004 | } |
1013 | } |
1005 | |
1014 | |
1006 | /** |
1015 | /** |
1007 | * This function uses the new map1 protocol command to send the map |
1016 | * 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 | */ |
1017 | */ |
1028 | void |
1018 | void |
1029 | draw_client_map1 (object *pl) |
1019 | draw_client_map (player *pl) |
1030 | { |
1020 | { |
|
|
1021 | object *ob = pl->observe; |
|
|
1022 | if (!ob->active) |
|
|
1023 | return; |
|
|
1024 | |
|
|
1025 | maptile *plmap = ob->map; |
|
|
1026 | |
|
|
1027 | /* If player is just joining the game, he isn't here yet, so the map |
|
|
1028 | * can get swapped out. If so, don't try to send them a map. All will |
|
|
1029 | * be OK once they really log in. |
|
|
1030 | */ |
|
|
1031 | if (!plmap || plmap->in_memory != MAP_IN_MEMORY) |
|
|
1032 | return; |
|
|
1033 | |
1031 | int x, y, ax, ay, startlen, max_x, max_y, oldlen; |
1034 | int x, y, ax, ay, startlen, max_x, max_y, oldlen; |
1032 | sint16 nx, ny; |
1035 | sint16 nx, ny; |
1033 | int estartlen, eoldlen; |
1036 | int estartlen, eoldlen; |
1034 | uint8 eentrysize; |
1037 | uint8 eentrysize; |
1035 | uint16 ewhatstart, ewhatflag; |
1038 | uint16 ewhatstart, ewhatflag; |
1036 | uint8 extendedinfos; |
1039 | uint8 extendedinfos; |
1037 | maptile *m; |
1040 | maptile *m; |
1038 | |
1041 | |
1039 | client &socket = *pl->contr->ns; |
|
|
1040 | |
|
|
1041 | if (!pl->active) |
|
|
1042 | return; |
|
|
1043 | |
|
|
1044 | check_map_change (pl->contr); |
1042 | check_map_change (pl); |
1045 | prefetch_surrounding_maps (pl); |
1043 | prefetch_surrounding_maps (pl->ob); |
|
|
1044 | |
|
|
1045 | /* do LOS after calls to update_position */ |
|
|
1046 | if (ob != pl->ob) |
|
|
1047 | clear_los (pl); |
|
|
1048 | else if (pl->do_los) |
|
|
1049 | { |
|
|
1050 | update_los (ob); |
|
|
1051 | pl->do_los = 0; |
|
|
1052 | } |
|
|
1053 | |
|
|
1054 | /** |
|
|
1055 | * This function uses the new map1 protocol command to send the map |
|
|
1056 | * to the client. It is necessary because the old map command supports |
|
|
1057 | * a maximum map size of 15x15. |
|
|
1058 | * This function is much simpler than the old one. This is because |
|
|
1059 | * the old function optimized to send as few face identifiers as possible, |
|
|
1060 | * at the expense of sending more coordinate location (coordinates were |
|
|
1061 | * only 1 byte, faces 2 bytes, so this was a worthwhile savings). Since |
|
|
1062 | * we need 2 bytes for coordinates and 2 bytes for faces, such a trade off |
|
|
1063 | * maps no sense. Instead, we actually really only use 12 bits for coordinates, |
|
|
1064 | * and use the other 4 bits for other informatiion. For full documentation |
|
|
1065 | * of what we send, see the doc/Protocol file. |
|
|
1066 | * I will describe internally what we do: |
|
|
1067 | * the ns->lastmap shows how the map last looked when sent to the client. |
|
|
1068 | * in the lastmap structure, there is a cells array, which is set to the |
|
|
1069 | * maximum viewable size (As set in config.h). |
|
|
1070 | * in the cells, there are faces and a count value. |
|
|
1071 | * we use the count value to hold the darkness value. If -1, then this space |
|
|
1072 | * is not viewable. |
|
|
1073 | * we use faces[0] faces[1] faces[2] to hold what the three layers |
|
|
1074 | * look like. |
|
|
1075 | */ |
|
|
1076 | |
|
|
1077 | client &socket = *pl->ns; |
1046 | |
1078 | |
1047 | packet sl (socket.mapmode == Map1Cmd ? "map1" : "map1a"); |
1079 | packet sl (socket.mapmode == Map1Cmd ? "map1" : "map1a"); |
1048 | packet esl; |
1080 | packet esl; |
1049 | |
1081 | |
1050 | startlen = sl.length (); |
1082 | startlen = sl.length (); |
… | |
… | |
1074 | ay = 0; |
1106 | ay = 0; |
1075 | |
1107 | |
1076 | /* We could do this logic as conditionals in the if statement, |
1108 | /* We could do this logic as conditionals in the if statement, |
1077 | * but that started to get a bit messy to look at. |
1109 | * but that started to get a bit messy to look at. |
1078 | */ |
1110 | */ |
1079 | max_x = pl->x + (socket.mapx + 1) / 2; |
1111 | max_x = ob->x + (socket.mapx + 1) / 2; |
1080 | max_y = pl->y + (socket.mapy + 1) / 2; |
1112 | max_y = ob->y + (socket.mapy + 1) / 2; |
1081 | |
1113 | |
1082 | maptile *plmap = pl->map; |
|
|
1083 | |
|
|
1084 | for (y = pl->y - socket.mapy / 2; y < max_y; y++, ay++) |
1114 | for (y = ob->y - socket.mapy / 2; y < max_y; y++, ay++) |
1085 | { |
1115 | { |
1086 | ax = 0; |
1116 | ax = 0; |
1087 | for (x = pl->x - socket.mapx / 2; x < max_x; x++, ax++) |
1117 | for (x = ob->x - socket.mapx / 2; x < max_x; x++, ax++) |
1088 | { |
1118 | { |
1089 | int emask, mask; |
1119 | int emask, mask; |
1090 | emask = mask = (ax & 0x3f) << 10 | (ay & 0x3f) << 4; |
1120 | emask = mask = (ax & 0x3f) << 10 | (ay & 0x3f) << 4; |
1091 | |
1121 | |
1092 | MapCell &lastcell = socket.lastmap.cells[ax][ay]; |
1122 | MapCell &lastcell = socket.lastmap.cells[ax][ay]; |
… | |
… | |
1113 | continue; |
1143 | continue; |
1114 | } |
1144 | } |
1115 | |
1145 | |
1116 | m->touch (); |
1146 | m->touch (); |
1117 | |
1147 | |
1118 | int d = pl->contr->blocked_los[ax][ay]; |
1148 | int d = pl->blocked_los[ax][ay]; |
1119 | |
1149 | |
1120 | if (d > 3) |
1150 | if (d > 3) |
1121 | { |
1151 | { |
1122 | |
1152 | |
1123 | int need_send = 0, count; |
1153 | int need_send = 0, count; |
… | |
… | |
1186 | } |
1216 | } |
1187 | |
1217 | |
1188 | lastcell.count = d; |
1218 | lastcell.count = d; |
1189 | |
1219 | |
1190 | mapspace &ms = m->at (nx, ny); |
1220 | mapspace &ms = m->at (nx, ny); |
|
|
1221 | ms.update (); |
1191 | |
1222 | |
1192 | if (socket.extmap) |
1223 | if (socket.extmap) |
1193 | { |
1224 | { |
1194 | uint8 stat_hp = 0; |
1225 | uint8 stat_hp = 0; |
1195 | uint8 stat_width = 0; |
1226 | uint8 stat_width = 0; |
1196 | uint8 flags = 0; |
1227 | uint8 flags = 0; |
1197 | UUID player = 0; |
1228 | tag_t player = 0; |
1198 | |
1229 | |
1199 | // send hp information, if applicable |
1230 | // send hp information, if applicable |
1200 | if (object *op = ms.faces_obj [0]) |
1231 | if (object *op = ms.faces_obj [0]) |
1201 | { |
1232 | { |
1202 | if (op->head || op->invisible) |
1233 | if (op->head || op->invisible) |
… | |
… | |
1205 | || QUERY_FLAG (op, FLAG_MONSTER) || QUERY_FLAG (op, FLAG_ALIVE) || QUERY_FLAG (op, FLAG_GENERATOR)) |
1236 | || QUERY_FLAG (op, FLAG_MONSTER) || QUERY_FLAG (op, FLAG_ALIVE) || QUERY_FLAG (op, FLAG_GENERATOR)) |
1206 | { |
1237 | { |
1207 | if (op->stats.maxhp > 0 && (unsigned) op->stats.maxhp > (unsigned) op->stats.hp) |
1238 | if (op->stats.maxhp > 0 && (unsigned) op->stats.maxhp > (unsigned) op->stats.hp) |
1208 | { |
1239 | { |
1209 | stat_hp = 255 - (op->stats.hp * 255 + 254) / op->stats.maxhp; |
1240 | stat_hp = 255 - (op->stats.hp * 255 + 254) / op->stats.maxhp; |
1210 | stat_width = op->arch->tail_x; |
1241 | stat_width = op->arch->max_x - op->arch->x; //TODO: should be upper-left edge |
1211 | } |
1242 | } |
1212 | } |
1243 | } |
1213 | |
1244 | |
1214 | if (op->msg && op->msg[0] == '@') |
1245 | if (op->msg && op->msg[0] == '@') |
1215 | flags |= 1; |
1246 | flags |= 1; |
1216 | |
1247 | |
1217 | if (op->type == PLAYER && op != pl) |
1248 | if (op->type == PLAYER && op != ob) |
1218 | player = op->count; |
1249 | player = op->count; |
1219 | } |
1250 | } |
1220 | |
1251 | |
1221 | if (lastcell.stat_hp != stat_hp) |
1252 | if (lastcell.stat_hp != stat_hp) |
1222 | { |
1253 | { |
… | |
… | |
1243 | |
1274 | |
1244 | mask |= 0x8; |
1275 | mask |= 0x8; |
1245 | *last_ext |= 0x80; |
1276 | *last_ext |= 0x80; |
1246 | last_ext = &sl[sl.length ()]; |
1277 | last_ext = &sl[sl.length ()]; |
1247 | |
1278 | |
1248 | sl << uint8 (0x47) << uint8 (8) << (uint64)player; |
1279 | sl << uint8 (0x47) << uint8 (4) << (uint32)player; |
1249 | } |
1280 | } |
1250 | |
1281 | |
1251 | if (lastcell.flags != flags) |
1282 | if (lastcell.flags != flags) |
1252 | { |
1283 | { |
1253 | lastcell.flags = flags; |
1284 | lastcell.flags = flags; |
… | |
… | |
1266 | |
1297 | |
1267 | /* Middle face */ |
1298 | /* Middle face */ |
1268 | if (update_space (sl, socket, ms, lastcell, 1)) |
1299 | if (update_space (sl, socket, ms, lastcell, 1)) |
1269 | mask |= 0x2; |
1300 | mask |= 0x2; |
1270 | |
1301 | |
1271 | if (ms.player () == pl |
1302 | if (ms.player () == ob |
1272 | && (pl->invisible & (pl->invisible < 50 ? 1 : 7))) |
1303 | && (ob->invisible & (ob->invisible < 50 ? 1 : 7))) |
1273 | { |
1304 | { |
1274 | // force player to be visible to himself if invisible |
1305 | // force player to be visible to himself if invisible |
1275 | if (lastcell.faces[0] != pl->face) |
1306 | if (lastcell.faces[0] != ob->face) |
1276 | { |
1307 | { |
1277 | lastcell.faces[0] = pl->face; |
1308 | lastcell.faces[0] = ob->face; |
1278 | |
1309 | |
1279 | mask |= 0x1; |
1310 | mask |= 0x1; |
1280 | sl << uint16 (pl->face); |
1311 | sl << uint16 (ob->face); |
1281 | |
1312 | |
1282 | socket.send_faces (pl); |
1313 | socket.send_faces (ob); |
1283 | } |
1314 | } |
1284 | } |
1315 | } |
1285 | /* Top face */ |
1316 | /* Top face */ |
1286 | else if (update_space (sl, socket, ms, lastcell, 0)) |
1317 | else if (update_space (sl, socket, ms, lastcell, 0)) |
1287 | mask |= 0x1; |
1318 | mask |= 0x1; |
1288 | |
|
|
1289 | |
1319 | |
1290 | /* Check to see if we are in fact sending anything for this |
1320 | /* Check to see if we are in fact sending anything for this |
1291 | * space by checking the mask. If so, update the mask. |
1321 | * space by checking the mask. If so, update the mask. |
1292 | * if not, reset the len to that from before adding the mask |
1322 | * if not, reset the len to that from before adding the mask |
1293 | * value, so we don't send those bits. |
1323 | * value, so we don't send those bits. |
… | |
… | |
1327 | } |
1357 | } |
1328 | } /* else this is a viewable space */ |
1358 | } /* else this is a viewable space */ |
1329 | } /* for x loop */ |
1359 | } /* for x loop */ |
1330 | } /* for y loop */ |
1360 | } /* for y loop */ |
1331 | |
1361 | |
|
|
1362 | socket.flush_fx (); |
|
|
1363 | |
1332 | /* Verify that we in fact do need to send this */ |
1364 | /* Verify that we in fact do need to send this */ |
1333 | if (socket.ext_mapinfos) |
1365 | if (socket.ext_mapinfos) |
1334 | { |
1366 | { |
1335 | if (!(sl.length () > startlen || socket.sent_scroll)) |
1367 | if (!(sl.length () > startlen || socket.sent_scroll)) |
1336 | { |
1368 | { |
… | |
… | |
1350 | socket.send_packet (sl); |
1382 | socket.send_packet (sl); |
1351 | socket.sent_scroll = 0; |
1383 | socket.sent_scroll = 0; |
1352 | } |
1384 | } |
1353 | } |
1385 | } |
1354 | |
1386 | |
1355 | /** |
|
|
1356 | * Draws client map. |
|
|
1357 | */ |
|
|
1358 | void |
|
|
1359 | draw_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 | /*****************************************************************************/ |
1387 | /*****************************************************************************/ |
1416 | |
|
|
1417 | /* GROS: The following one is used to allow a plugin to send a generic cmd to*/ |
1388 | /* 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 */ |
1389 | /* a player. Of course, the client need to know the command to be able to */ |
1420 | |
|
|
1421 | /* manage it ! */ |
1390 | /* manage it ! */ |
1422 | |
|
|
1423 | /*****************************************************************************/ |
1391 | /*****************************************************************************/ |
1424 | void |
1392 | void |
1425 | send_plugin_custom_message (object *pl, char *buf) |
1393 | send_plugin_custom_message (object *pl, char *buf) |
1426 | { |
1394 | { |
1427 | pl->contr->ns->send_packet (buf); |
1395 | pl->contr->ns->send_packet (buf); |