/************************************************************************** * File: genwld.c Part of tbaMUD * * Usage: Generic OLC Library - Rooms. * * * * By Levork. Copyright 1996 by Harvey Gilpin, 1997-2001 by George Greer. * **************************************************************************/ #include "conf.h" #include "sysdep.h" #include "structs.h" #include "utils.h" #include "db.h" #include "handler.h" #include "comm.h" #include "genolc.h" #include "genwld.h" #include "genzon.h" #include "shop.h" #include "dg_olc.h" extern room_rnum r_mortal_start_room; extern room_rnum r_immort_start_room; extern room_rnum r_frozen_start_room; /* This function will copy the strings so be sure you free your own copies of * the description, title, and such. */ room_rnum add_room(struct room_data *room) { struct char_data *tch; struct obj_data *tobj; int j, found = FALSE; room_rnum i; if (room == NULL) return NOWHERE; if ((i = real_room(room->number)) != NOWHERE) { if (SCRIPT(&world[i])) extract_script(&world[i], WLD_TRIGGER); tch = world[i].people; tobj = world[i].contents; copy_room(&world[i], room); world[i].people = tch; world[i].contents = tobj; add_to_save_list(zone_table[room->zone].number, SL_WLD); log("GenOLC: add_room: Updated existing room #%d.", room->number); return i; } RECREATE(world, struct room_data, top_of_world + 2); top_of_world++; for (i = top_of_world; i > 0; i--) { if (room->number > world[i - 1].number) { world[i] = *room; copy_room_strings(&world[i], room); found = i; break; } else { /* Copy the room over now. */ world[i] = world[i - 1]; update_wait_events(&world[i], &world[i-1]); /* People in this room must have their in_rooms moved up one. */ for (tch = world[i].people; tch; tch = tch->next_in_room) IN_ROOM(tch) += (IN_ROOM(tch) != NOWHERE); /* Move objects too. */ for (tobj = world[i].contents; tobj; tobj = tobj->next_content) IN_ROOM(tobj) += (IN_ROOM(tobj) != NOWHERE); } } if (!found) { world[0] = *room; /* Last place, in front. */ copy_room_strings(&world[0], room); } log("GenOLC: add_room: Added room %d at index #%d.", room->number, found); /* found is equal to the array index where we added the room. */ /* Find what zone that room was in so we can update the loading table. */ for (i = room->zone; i <= top_of_zone_table; i++) for (j = 0; ZCMD(i, j).command != 'S'; j++) switch (ZCMD(i, j).command) { case 'M': case 'O': case 'T': case 'V': ZCMD(i, j).arg3 += (ZCMD(i, j).arg3 != NOWHERE && ZCMD(i, j).arg3 >= found); break; case 'D': case 'R': ZCMD(i, j).arg1 += (ZCMD(i, j).arg1 != NOWHERE && ZCMD(i, j).arg1 >= found); case 'G': case 'P': case 'E': case '*': /* Known zone entries we don't care about. */ break; default: mudlog(BRF, LVL_GOD, TRUE, "SYSERR: GenOLC: add_room: Unknown zone entry found!"); } /* Update the loadroom table. Adds 1 or 0. */ r_mortal_start_room += (r_mortal_start_room >= found); r_immort_start_room += (r_immort_start_room >= found); r_frozen_start_room += (r_frozen_start_room >= found); /* Update world exits. */ i = top_of_world + 1; do { i--; for (j = 0; j < NUM_OF_DIRS; j++) if (W_EXIT(i, j) && W_EXIT(i, j)->to_room != NOWHERE) W_EXIT(i, j)->to_room += (W_EXIT(i, j)->to_room >= found); } while (i > 0); add_to_save_list(zone_table[room->zone].number, SL_WLD); /* Return what array entry we placed the new room in. */ return found; } int delete_room(room_rnum rnum) { room_rnum i; int j; struct char_data *ppl, *next_ppl; struct obj_data *obj, *next_obj; struct room_data *room; if (rnum <= 0 || rnum > top_of_world) /* Can't delete void yet. */ return FALSE; room = &world[rnum]; add_to_save_list(zone_table[room->zone].number, SL_WLD); /* This is something you might want to read about in the logs. */ log("GenOLC: delete_room: Deleting room #%d (%s).", room->number, room->name); if (r_mortal_start_room == rnum) { log("WARNING: GenOLC: delete_room: Deleting mortal start room!"); r_mortal_start_room = 0; /* The Void */ } if (r_immort_start_room == rnum) { log("WARNING: GenOLC: delete_room: Deleting immortal start room!"); r_immort_start_room = 0; /* The Void */ } if (r_frozen_start_room == rnum) { log("WARNING: GenOLC: delete_room: Deleting frozen start room!"); r_frozen_start_room = 0; /* The Void */ } /* Dump the contents of this room into the Void. We could also just extract * the people, mobs, and objects here. */ for (obj = world[rnum].contents; obj; obj = next_obj) { next_obj = obj->next_content; obj_from_room(obj); obj_to_room(obj, 0); } for (ppl = world[rnum].people; ppl; ppl = next_ppl) { next_ppl = ppl->next_in_room; char_from_room(ppl); char_to_room(ppl, 0); } free_room_strings(room); if (SCRIPT(room)) extract_script(room, WLD_TRIGGER); free_proto_script(room, WLD_TRIGGER); /* Change any exit going to this room to go the void. Also fix all the exits * pointing to rooms above this. */ i = top_of_world + 1; do { i--; for (j = 0; j < NUM_OF_DIRS; j++) { if (W_EXIT(i, j) == NULL) continue; else if (W_EXIT(i, j)->to_room > rnum) W_EXIT(i, j)->to_room -= (W_EXIT(i, j)->to_room != NOWHERE); /* with unsigned NOWHERE > any rnum */ else if (W_EXIT(i, j)->to_room == rnum) { if ((!W_EXIT(i, j)->keyword || !*W_EXIT(i, j)->keyword) && (!W_EXIT(i, j)->general_description || !*W_EXIT(i, j)->general_description)) { /* no description, remove exit completely */ if (W_EXIT(i, j)->keyword) free(W_EXIT(i, j)->keyword); if (W_EXIT(i, j)->general_description) free(W_EXIT(i, j)->general_description); free(W_EXIT(i, j)); W_EXIT(i, j) = NULL; } else { /* description is set, just point to nowhere */ W_EXIT(i, j)->to_room = NOWHERE; } } } } while (i > 0); /* Find what zone that room was in so we can update the loading table. */ for (i = 0; i <= top_of_zone_table; i++) for (j = 0; ZCMD(i , j).command != 'S'; j++) switch (ZCMD(i, j).command) { case 'M': case 'O': case 'T': case 'V': if (ZCMD(i, j).arg3 == rnum) ZCMD(i, j).command = '*'; /* Cancel command. */ else if (ZCMD(i, j).arg3 > rnum) ZCMD(i, j).arg3 -= (ZCMD(i, j).arg3 != NOWHERE); /* with unsigned NOWHERE > any rnum */ break; case 'D': case 'R': if (ZCMD(i, j).arg1 == rnum) ZCMD(i, j).command = '*'; /* Cancel command. */ else if (ZCMD(i, j).arg1 > rnum) ZCMD(i, j).arg1 -= (ZCMD(i, j).arg1 != NOWHERE); /* with unsigned NOWHERE > any rnum */ case 'G': case 'P': case 'E': case '*': /* Known zone entries we don't care about. */ break; default: mudlog(BRF, LVL_GOD, TRUE, "SYSERR: GenOLC: delete_room: Unknown zone entry found!"); } /* Remove this room from all shop lists. */ for (i = 0;i < top_shop;i++) { for (j = 0;SHOP_ROOM(i, j) != NOWHERE;j++) { if (SHOP_ROOM(i, j) == world[rnum].number) SHOP_ROOM(i, j) = 0; /* set to the void */ } } /* Now we actually move the rooms down. */ for (i = rnum; i < top_of_world; i++) { world[i] = world[i + 1]; update_wait_events(&world[i], &world[i+1]); for (ppl = world[i].people; ppl; ppl = ppl->next_in_room) IN_ROOM(ppl) -= (IN_ROOM(ppl) != NOWHERE); /* Redundant check? */ for (obj = world[i].contents; obj; obj = obj->next_content) IN_ROOM(obj) -= (IN_ROOM(obj) != NOWHERE); /* Redundant check? */ } top_of_world--; RECREATE(world, struct room_data, top_of_world + 1); return TRUE; } int save_rooms(zone_rnum rzone) { int i; struct room_data *room; FILE *sf; char filename[128]; char buf[MAX_STRING_LENGTH]; char buf1[MAX_STRING_LENGTH]; #if CIRCLE_UNSIGNED_INDEX if (rzone == NOWHERE || rzone > top_of_zone_table) { #else if (rzone < 0 || rzone > top_of_zone_table) { #endif log("SYSERR: GenOLC: save_rooms: Invalid zone number %d passed! (0-%d)", rzone, top_of_zone_table); return FALSE; } log("GenOLC: save_rooms: Saving rooms in zone #%d (%d-%d).", zone_table[rzone].number, genolc_zone_bottom(rzone), zone_table[rzone].top); snprintf(filename, sizeof(filename), "%s/%d.new", WLD_PREFIX, zone_table[rzone].number); if (!(sf = fopen(filename, "w"))) { perror("SYSERR: save_rooms"); return FALSE; } for (i = genolc_zone_bottom(rzone); i <= zone_table[rzone].top; i++) { room_rnum rnum; if ((rnum = real_room(i)) != NOWHERE) { int j; room = (world + rnum); /* Copy the description and strip off trailing newlines. */ strncpy(buf, room->description ? room->description : "Empty room.", sizeof(buf)-1 ); strip_cr(buf); /* Save the numeric and string section of the file. */ fprintf(sf, "#%d\n" "%s%c\n" "%s%c\n" "%d %d %d %d %d %d\n", room->number, room->name ? room->name : "Untitled", STRING_TERMINATOR, buf, STRING_TERMINATOR, zone_table[room->zone].number, room->room_flags[0], room->room_flags[1], room->room_flags[2], room->room_flags[3], room->sector_type ); /* Now you write out the exits for the room. */ for (j = 0; j < NUM_OF_DIRS; j++) { if (R_EXIT(room, j)) { int dflag; if (R_EXIT(room, j)->general_description) { strncpy(buf, R_EXIT(room, j)->general_description, sizeof(buf)-1); strip_cr(buf); } else *buf = '\0'; /* Figure out door flag. */ if (IS_SET(R_EXIT(room, j)->exit_info, EX_ISDOOR)) { if (IS_SET(R_EXIT(room, j)->exit_info, EX_PICKPROOF)) dflag = 2; else dflag = 1; } else dflag = 0; if (R_EXIT(room, j)->keyword) strncpy(buf1, R_EXIT(room, j)->keyword, sizeof(buf1)-1 ); else *buf1 = '\0'; /* Now write the exit to the file. */ fprintf(sf, "D%d\n" "%s~\n" "%s~\n" "%d %d %d\n", j, buf, buf1, dflag, R_EXIT(room, j)->key != NOTHING ? R_EXIT(room, j)->key : -1, R_EXIT(room, j)->to_room != NOWHERE ? world[R_EXIT(room, j)->to_room].number : -1); } } if (room->ex_description) { struct extra_descr_data *xdesc; for (xdesc = room->ex_description; xdesc; xdesc = xdesc->next) { strncpy(buf, xdesc->description, sizeof(buf)); strip_cr(buf); fprintf(sf, "E\n" "%s~\n" "%s~\n", xdesc->keyword, buf); } } fprintf(sf, "S\n"); script_save_to_disk(sf, room, WLD_TRIGGER); } } /* Write the final line and close it. */ fprintf(sf, "$~\n"); fclose(sf); /* Old file we're replacing. */ snprintf(buf, sizeof(buf), "%s/%d.wld", WLD_PREFIX, zone_table[rzone].number); remove(buf); rename(filename, buf); if (in_save_list(zone_table[rzone].number, SL_WLD)) remove_from_save_list(zone_table[rzone].number, SL_WLD); return TRUE; } int copy_room(struct room_data *to, struct room_data *from) { free_room_strings(to); *to = *from; copy_room_strings(to, from); /* Don't put people and objects in two locations. Should this be done here? */ from->people = NULL; from->contents = NULL; return TRUE; } /* Idea by Cris Jacob. */ room_rnum duplicate_room(room_vnum dest_vnum, room_rnum orig) { int new_rnum, znum; struct room_data nroom; #if CIRCLE_UNSIGNED_INDEX if (orig == NOWHERE || orig > top_of_world) { #else if (orig < 0 || orig > top_of_world) { #endif log("SYSERR: GenOLC: copy_room: Given bad original real room."); return NOWHERE; } else if ((znum = real_zone_by_thing(dest_vnum)) == NOWHERE) { log("SYSERR: GenOLC: copy_room: No such destination zone."); return NOWHERE; } /* add_room will make its own copies of strings. */ if ((new_rnum = add_room(&nroom)) == NOWHERE) { log("SYSERR: GenOLC: copy_room: Problem adding room."); return NOWHERE; } nroom = world[new_rnum]; nroom.number = dest_vnum; nroom.zone = znum; /* So the people and objects aren't in two places at once. */ nroom.contents = NULL; nroom.people = NULL; return new_rnum; } /* Copy strings over so bad things don't happen. We do not free the existing * strings here because copy_room() did a shallow copy previously and we'd be * freeing the very strings we're copying. If this function is used elsewhere, * be sure to free_room_strings() the 'dest' room first. */ int copy_room_strings(struct room_data *dest, struct room_data *source) { int i; if (dest == NULL || source == NULL) { log("SYSERR: GenOLC: copy_room_strings: NULL values passed."); return FALSE; } dest->description = str_udup(source->description); dest->name = str_udup(source->name); for (i = 0; i < NUM_OF_DIRS; i++) { if (!R_EXIT(source, i)) continue; CREATE(R_EXIT(dest, i), struct room_direction_data, 1); *R_EXIT(dest, i) = *R_EXIT(source, i); if (R_EXIT(source, i)->general_description) R_EXIT(dest, i)->general_description = strdup(R_EXIT(source, i)->general_description); if (R_EXIT(source, i)->keyword) R_EXIT(dest, i)->keyword = strdup(R_EXIT(source, i)->keyword); } if (source->ex_description) copy_ex_descriptions(&dest->ex_description, source->ex_description); return TRUE; } int free_room_strings(struct room_data *room) { int i; /* Free descriptions. */ if (room->name) free(room->name); if (room->description) free(room->description); if (room->ex_description) free_ex_descriptions(room->ex_description); /* Free exits. */ for (i = 0; i < NUM_OF_DIRS; i++) { if (room->dir_option[i]) { if (room->dir_option[i]->general_description) free(room->dir_option[i]->general_description); if (room->dir_option[i]->keyword) free(room->dir_option[i]->keyword); free(room->dir_option[i]); room->dir_option[i] = NULL; } } return TRUE; }