/************************************************************************ * Generic OLC Library - Zones / genzon.c v1.0 * * Copyright 1996 by Harvey Gilpin * * Copyright 1997-2001 by George Greer (greerga@circlemud.org) * ************************************************************************/ #include "conf.h" #include "sysdep.h" #include "structs.h" #include "utils.h" #include "db.h" #include "genolc.h" #include "genzon.h" #include "dg_scripts.h" /* real zone of room/mobile/object/shop given */ zone_rnum real_zone_by_thing(room_vnum vznum) { zone_rnum bot, top, mid; int low, high; bot = 0; top = top_of_zone_table; /* perform binary search on zone-table */ for (;;) { mid = (bot + top) / 2; /* Upper/lower bounds of the zone. */ low = genolc_zone_bottom(mid); high = zone_table[mid].top; if (low <= vznum && vznum <= high) return mid; if (bot >= top) return NOWHERE; if (low > vznum) top = mid - 1; else bot = mid + 1; } } zone_rnum create_new_zone(zone_vnum vzone_num, room_vnum bottom, room_vnum top, const char **error) { FILE *fp; struct zone_data *zone; int i; zone_rnum rznum; char buf[MAX_STRING_LENGTH]; #if CIRCLE_UNSIGNED_INDEX if (vzone_num == NOWHERE) { #else if (vzone_num < 0) { #endif *error = "You can't make negative zones.\r\n"; return NOWHERE; } else if (bottom > top) { *error = "Bottom room cannot be greater than top room.\r\n"; return NOWHERE; } for (i = 0; i < top_of_zone_table; i++) if (zone_table[i].number == vzone_num) { *error = "That virtual zone already exists.\r\n"; return NOWHERE; } /* * Create the zone file. */ snprintf(buf, sizeof(buf), "%s/%d.zon", ZON_PREFIX, vzone_num); if (!(fp = fopen(buf, "w"))) { mudlog(BRF, LVL_IMPL, TRUE, "SYSERR: OLC: Can't write new zone file."); *error = "Could not write zone file.\r\n"; return NOWHERE; } fprintf(fp, "#%d\nNone~\nNew Zone~\n%d %d 30 2\nS\n$\n", vzone_num, bottom, top); fclose(fp); /* * Create the room file. */ snprintf(buf, sizeof(buf), "%s/%d.wld", WLD_PREFIX, vzone_num); if (!(fp = fopen(buf, "w"))) { mudlog(BRF, LVL_IMPL, TRUE, "SYSERR: OLC: Can't write new world file."); *error = "Could not write world file.\r\n"; return NOWHERE; } fprintf(fp, "#%d\nThe Beginning~\nNot much here.\n~\n%d 0 0\nS\n$\n", bottom, vzone_num); fclose(fp); /* * Create the mobile file. */ snprintf(buf, sizeof(buf), "%s/%d.mob", MOB_PREFIX, vzone_num); if (!(fp = fopen(buf, "w"))) { mudlog(BRF, LVL_IMPL, TRUE, "SYSERR: OLC: Can't write new mob file."); *error = "Could not write mobile file.\r\n"; return NOWHERE; } fprintf(fp, "$\n"); fclose(fp); /* * Create the object file. */ snprintf(buf, sizeof(buf), "%s/%d.obj", OBJ_PREFIX, vzone_num); if (!(fp = fopen(buf, "w"))) { mudlog(BRF, LVL_IMPL, TRUE, "SYSERR: OLC: Can't write new obj file."); *error = "Could not write object file.\r\n"; return NOWHERE; } fprintf(fp, "$\n"); fclose(fp); /* * Create the shop file. */ snprintf(buf, sizeof(buf), "%s/%d.shp", SHP_PREFIX, vzone_num); if (!(fp = fopen(buf, "w"))) { mudlog(BRF, LVL_IMPL, TRUE, "SYSERR: OLC: Can't write new shop file."); *error = "Could not write shop file.\r\n"; return NOWHERE; } fprintf(fp, "$~\n"); fclose(fp); /* * Create the trigger file. */ snprintf(buf, sizeof(buf), "%s/%d.trg", TRG_PREFIX, vzone_num); if (!(fp = fopen(buf, "w"))) { mudlog(BRF, LVL_IMPL, TRUE, "SYSERR: OLC: Can't write new trigger file"); *error = "Could not write trigger file.\r\n"; return NOWHERE; } fprintf(fp, "$~\n"); fclose(fp); /* * Update index files. */ create_world_index(vzone_num, "zon"); create_world_index(vzone_num, "wld"); create_world_index(vzone_num, "mob"); create_world_index(vzone_num, "obj"); create_world_index(vzone_num, "shp"); create_world_index(vzone_num, "trg"); /* * Make a new zone in memory. This was the source of all the zedit new * crashes reported to the CircleMUD list. It was happily overwriting * the stack. This new loop by Andrew Helm fixes that problem and is * more understandable at the same time. * * The variable is 'top_of_zone_table_table + 2' because we need record 0 * through top_of_zone (top_of_zone_table + 1 items) and a new one which * makes it top_of_zone_table + 2 elements large. */ RECREATE(zone_table, struct zone_data, top_of_zone_table + 2); zone_table[top_of_zone_table + 1].number = 32000; if (vzone_num > zone_table[top_of_zone_table].number) rznum = top_of_zone_table + 1; else { int j, room; for (i = top_of_zone_table + 1; i > 0 && vzone_num < zone_table[i - 1].number; i--) { zone_table[i] = zone_table[i - 1]; for (j = zone_table[i].bot; j <= zone_table[i].top; j++) if ((room = real_room(j)) != NOWHERE) world[room].zone++; } rznum = i; } zone = &zone_table[rznum]; /* * Ok, insert the new zone here. */ zone->name = strdup("New Zone"); zone->number = vzone_num; zone->builders = strdup("None"); zone->bot = bottom; zone->top = top; zone->lifespan = 30; zone->age = 0; zone->reset_mode = 2; /* * No zone commands, just terminate it with an 'S' */ CREATE(zone->cmd, struct reset_com, 1); zone->cmd[0].command = 'S'; top_of_zone_table++; add_to_save_list(zone->number, SL_ZON); return rznum; } /*-------------------------------------------------------------------*/ void create_world_index(int znum, const char *type) { FILE *newfile, *oldfile; char new_name[32], old_name[32], *prefix; int num, found = FALSE; char buf[MAX_STRING_LENGTH]; char buf1[MAX_STRING_LENGTH]; switch (*type) { case 'z': prefix = ZON_PREFIX; break; case 'w': prefix = WLD_PREFIX; break; case 'o': prefix = OBJ_PREFIX; break; case 'm': prefix = MOB_PREFIX; break; case 's': prefix = SHP_PREFIX; break; case 't': prefix = TRG_PREFIX; break; default: /* * Caller messed up */ return; } snprintf(old_name, sizeof(old_name), "%s/index", prefix); snprintf(new_name, sizeof(new_name), "%s/newindex", prefix); if (!(oldfile = fopen(old_name, "r"))) { mudlog(BRF, LVL_IMPL, TRUE, "SYSERR: OLC: Failed to open %s.", old_name); return; } else if (!(newfile = fopen(new_name, "w"))) { mudlog(BRF, LVL_IMPL, TRUE, "SYSERR: OLC: Failed to open %s.", new_name); fclose(oldfile); return; } /* * Index contents must be in order: search through the old file for the * right place, insert the new file, then copy the rest over. */ snprintf(buf1, sizeof(buf1), "%d.%s", znum, type); while (get_line(oldfile, buf)) { if (*buf == '$') { /* * The following used to add a blank line, thanks to Brian Taylor for the fix... (Mythran) */ fprintf(newfile, "%s", (!found ? strncat(buf1, "\n$\n", sizeof(buf1)-1) : "$\n")); break; } else if (!found) { sscanf(buf, "%d", &num); if (num > znum) { found = TRUE; fprintf(newfile, "%s\n", buf1); } } fprintf(newfile, "%s\n", buf); } fclose(newfile); fclose(oldfile); /* * Out with the old, in with the new. */ remove(old_name); rename(new_name, old_name); } /*-------------------------------------------------------------------*/ void remove_room_zone_commands(zone_rnum zone, room_rnum room_num) { int subcmd = 0, cmd_room = -2; /* * Delete all entries in zone_table that relate to this room so we * can add all the ones we have in their place. */ while (zone_table[zone].cmd[subcmd].command != 'S') { switch (zone_table[zone].cmd[subcmd].command) { case 'M': case 'O': case 'T': case 'V': cmd_room = zone_table[zone].cmd[subcmd].arg3; break; case 'D': case 'R': cmd_room = zone_table[zone].cmd[subcmd].arg1; break; default: break; } if (cmd_room == room_num) remove_cmd_from_list(&zone_table[zone].cmd, subcmd); else subcmd++; } } /*-------------------------------------------------------------------*/ /* * Save all the zone_table for this zone to disk. This function now * writes simple comments in the form of (<name>) to each record. A * header for each field is also there. */ int save_zone(zone_rnum zone_num) { int subcmd, arg1 = -1, arg2 = -1, arg3 = -1; char fname[128], oldname[128]; const char *comment = NULL; FILE *zfile; #if CIRCLE_UNSIGNED_INDEX if (zone_num == NOWHERE || zone_num > top_of_zone_table) { #else if (zone_num < 0 || zone_num > top_of_zone_table) { #endif log("SYSERR: GenOLC: save_zone: Invalid real zone number %d. (0-%d)", zone_num, top_of_zone_table); return FALSE; } snprintf(fname, sizeof(fname), "%s/%d.new", ZON_PREFIX, zone_table[zone_num].number); if (!(zfile = fopen(fname, "w"))) { mudlog(BRF, LVL_BUILDER, TRUE, "SYSERR: OLC: save_zones: Can't write zone %d.", zone_table[zone_num].number); return FALSE; } /* * Print zone header to file */ fprintf(zfile, "#%d\n" "%s~\n" "%s~\n" "%d %d %d %d\n", zone_table[zone_num].number, (zone_table[zone_num].builders && *zone_table[zone_num].builders) ? zone_table[zone_num].builders : "None.", (zone_table[zone_num].name && *zone_table[zone_num].name) ? zone_table[zone_num].name : "undefined", genolc_zone_bottom(zone_num), zone_table[zone_num].top, zone_table[zone_num].lifespan, zone_table[zone_num].reset_mode ); /* * Handy Quick Reference Chart for Zone Values. * * Field #1 Field #3 Field #4 Field #5 * ------------------------------------------------- * M (Mobile) Mob-Vnum Wld-Max Room-Vnum * O (Object) Obj-Vnum Wld-Max Room-Vnum * G (Give) Obj-Vnum Wld-Max Unused * E (Equip) Obj-Vnum Wld-Max EQ-Position * P (Put) Obj-Vnum Wld-Max Target-Obj-Vnum * D (Door) Room-Vnum Door-Dir Door-State * R (Remove) Room-Vnum Obj-Vnum Unused * T (Trigger) Trig-type Trig-Vnum Room-Vnum * V (var) Trig-type Context Room-Vnum Varname Value * ------------------------------------------------- */ for (subcmd = 0; ZCMD(zone_num, subcmd).command != 'S'; subcmd++) { switch (ZCMD(zone_num, subcmd).command) { case 'M': arg1 = mob_index[ZCMD(zone_num, subcmd).arg1].vnum; arg2 = ZCMD(zone_num, subcmd).arg2; arg3 = world[ZCMD(zone_num, subcmd).arg3].number; comment = mob_proto[ZCMD(zone_num, subcmd).arg1].player.short_descr; break; case 'O': arg1 = obj_index[ZCMD(zone_num, subcmd).arg1].vnum; arg2 = ZCMD(zone_num, subcmd).arg2; arg3 = world[ZCMD(zone_num, subcmd).arg3].number; comment = obj_proto[ZCMD(zone_num, subcmd).arg1].short_description; break; case 'G': arg1 = obj_index[ZCMD(zone_num, subcmd).arg1].vnum; arg2 = ZCMD(zone_num, subcmd).arg2; arg3 = -1; comment = obj_proto[ZCMD(zone_num, subcmd).arg1].short_description; break; case 'E': arg1 = obj_index[ZCMD(zone_num, subcmd).arg1].vnum; arg2 = ZCMD(zone_num, subcmd).arg2; arg3 = ZCMD(zone_num, subcmd).arg3; comment = obj_proto[ZCMD(zone_num, subcmd).arg1].short_description; break; case 'P': arg1 = obj_index[ZCMD(zone_num, subcmd).arg1].vnum; arg2 = ZCMD(zone_num, subcmd).arg2; arg3 = obj_index[ZCMD(zone_num, subcmd).arg3].vnum; comment = obj_proto[ZCMD(zone_num, subcmd).arg1].short_description; break; case 'D': arg1 = world[ZCMD(zone_num, subcmd).arg1].number; arg2 = ZCMD(zone_num, subcmd).arg2; arg3 = ZCMD(zone_num, subcmd).arg3; comment = world[ZCMD(zone_num, subcmd).arg1].name; break; case 'R': arg1 = world[ZCMD(zone_num, subcmd).arg1].number; arg2 = obj_index[ZCMD(zone_num, subcmd).arg2].vnum; comment = obj_proto[ZCMD(zone_num, subcmd).arg2].short_description; arg3 = -1; break; case 'T': arg1 = ZCMD(zone_num, subcmd).arg1; /* trigger type */ arg2 = trig_index[ZCMD(zone_num, subcmd).arg2]->vnum; /* trigger vnum */ arg3 = world[ZCMD(zone_num, subcmd).arg3].number; /* room num */ comment = GET_TRIG_NAME(trig_index[real_trigger(arg2)]->proto); break; case 'V': arg1 = ZCMD(zone_num, subcmd).arg1; /* trigger type */ arg2 = ZCMD(zone_num, subcmd).arg2; /* context */ arg3 = world[ZCMD(zone_num, subcmd).arg3].number; break; case '*': /* * Invalid commands are replaced with '*' - Ignore them. */ continue; default: mudlog(BRF, LVL_BUILDER, TRUE, "SYSERR: OLC: z_save_to_disk(): Unknown cmd '%c' - NOT saving", ZCMD(zone_num, subcmd).command); continue; } if (ZCMD(zone_num, subcmd).command != 'V') fprintf(zfile, "%c %d %d %d %d \t(%s)\n", ZCMD(zone_num, subcmd).command, ZCMD(zone_num, subcmd).if_flag, arg1, arg2, arg3, comment); else fprintf(zfile, "%c %d %d %d %d %s %s\n", ZCMD(zone_num, subcmd).command, ZCMD(zone_num, subcmd).if_flag, arg1, arg2, arg3, ZCMD(zone_num, subcmd).sarg1, ZCMD(zone_num, subcmd).sarg2); } fputs("S\n$\n", zfile); fclose(zfile); snprintf(oldname, sizeof(oldname), "%s/%d.zon", ZON_PREFIX, zone_table[zone_num].number); remove(oldname); rename(fname, oldname); if (in_save_list(zone_table[zone_num].number, SL_ZON)) remove_from_save_list(zone_table[zone_num].number, SL_ZON); return TRUE; } /*-------------------------------------------------------------------*/ /* * Some common code to count the number of comands in the list. */ int count_commands(struct reset_com *list) { int count = 0; while (list[count].command != 'S') count++; return count; } /*-------------------------------------------------------------------*/ /* * Adds a new reset command into a list. Takes a pointer to the list * so that it may play with the memory locations. */ void add_cmd_to_list(struct reset_com **list, struct reset_com *newcmd, int pos) { int count, i, l; struct reset_com *newlist; /* * Count number of commands (not including terminator). */ count = count_commands(*list); /* * Value is +2 for the terminator and new field to add. */ CREATE(newlist, struct reset_com, count + 2); /* * Even tighter loop to copy the old list and insert a new command. */ for (i = 0, l = 0; i <= count; i++) { newlist[i] = ((i == pos) ? *newcmd : (*list)[l++]); } /* * Add terminator, then insert new list. */ newlist[count + 1].command = 'S'; free(*list); *list = newlist; } /*-------------------------------------------------------------------*/ /* * Remove a reset command from a list. Takes a pointer to the list * so that it may play with the memory locations. */ void remove_cmd_from_list(struct reset_com **list, int pos) { int count, i, l; struct reset_com *newlist; /* * Count number of commands (not including terminator) */ count = count_commands(*list); /* * Value is 'count' because we didn't include the terminator above * but since we're deleting one thing anyway we want one less. */ CREATE(newlist, struct reset_com, count); /* * Even tighter loop to copy old list and skip unwanted command. */ for (i = 0, l = 0; i < count; i++) { if (i != pos) { newlist[l++] = (*list)[i]; } } /* * Add the terminator, then insert the new list. */ newlist[count - 1].command = 'S'; free(*list); *list = newlist; } /*-------------------------------------------------------------------*/ /* * Error check user input and then add new (blank) command */ int new_command(struct zone_data *zone, int pos) { int subcmd = 0; struct reset_com *new_com; /* * Error check to ensure users hasn't given too large an index */ while (zone->cmd[subcmd].command != 'S') subcmd++; if (pos < 0 || pos > subcmd) return 0; /* * Ok, let's add a new (blank) command */ CREATE(new_com, struct reset_com, 1); new_com->command = 'N'; add_cmd_to_list(&zone->cmd, new_com, pos); return 1; } /*-------------------------------------------------------------------*/ /* * Error check user input and then remove command */ void delete_command(struct zone_data *zone, int pos) { int subcmd = 0; /* * Error check to ensure users hasn't given too large an index */ while (zone->cmd[subcmd].command != 'S') subcmd++; if (pos < 0 || pos >= subcmd) return; /* * Ok, let's zap it */ remove_cmd_from_list(&zone->cmd, pos); } /*-------------------------------------------------------------------*/