/* ************************************************************************ * File: modify.c Part of CircleMUD * * Usage: Run-time modification of game variables * * * * All rights reserved. See license.doc for complete information. * * * * Copyright (C) 1993, 94 by the Trustees of the Johns Hopkins University * * CircleMUD is based on DikuMUD, Copyright (C) 1990, 1991. * ************************************************************************ */ #include "conf.h" #include "sysdep.h" #include "structs.h" #include "utils.h" #include "interpreter.h" #include "handler.h" #include "db.h" #include "comm.h" #include "spells.h" #include "mail.h" #include "boards.h" void show_string(struct descriptor_data *d, char *input); char *string_fields[] = { "name", "short", "long", "description", "title", "delete-description", "\n" }; /* maximum length for text field x+1 */ int length[] = { 15, 60, 256, 240, 60 }; /* ************************************************************************ * modification of malloc'ed strings * ************************************************************************ */ /* Add user input to the 'current' string (as defined by d->str) */ void string_add(struct descriptor_data *d, char *str) { int terminator = 0; extern char *MENU; /* determine if this is the terminal string, and truncate if so */ /* changed to only accept '@' at the beginning of line - J. Elson 1/17/94 */ delete_doubledollar(str); if ((terminator = (*str == '@'))) *str = '\0'; if (!(*d->str)) { if (strlen(str) > d->max_str) { send_to_char("String too long - Truncated.\r\n", d->character); *(str + d->max_str) = '\0'; terminator = 1; } CREATE(*d->str, char, strlen(str) + 3); strcpy(*d->str, str); } else { if (strlen(str) + strlen(*d->str) > d->max_str) { send_to_char("String too long. Last line skipped.\r\n", d->character); terminator = 1; } else { if (!(*d->str = (char *) realloc(*d->str, strlen(*d->str) + strlen(str) + 3))) { perror("SYSERR: string_add"); exit(1); } strcat(*d->str, str); } } if (terminator) { if (!d->connected && (PLR_FLAGGED(d->character, PLR_MAILING))) { store_mail(d->mail_to, GET_IDNUM(d->character), *d->str); d->mail_to = 0; free(*d->str); free(d->str); SEND_TO_Q("Message sent!\r\n", d); if (!IS_NPC(d->character)) REMOVE_BIT(PLR_FLAGS(d->character), PLR_MAILING | PLR_WRITING); } d->str = NULL; if (d->mail_to >= BOARD_MAGIC) { Board_save_board(d->mail_to - BOARD_MAGIC); d->mail_to = 0; } if (d->connected == CON_EXDESC) { SEND_TO_Q(MENU, d); d->connected = CON_MENU; } if (!d->connected && d->character && !IS_NPC(d->character)) REMOVE_BIT(PLR_FLAGS(d->character), PLR_WRITING); } else strcat(*d->str, "\r\n"); } /* ********************************************************************** * Modification of character skills * ********************************************************************** */ ACMD(do_skillset) { extern char *spells[]; struct char_data *vict; char name[100], buf2[100], buf[100], help[MAX_STRING_LENGTH]; int skill, value, i, qend; argument = one_argument(argument, name); if (!*name) { /* no arguments. print an informative text */ send_to_char("Syntax: skillset <name> '<skill>' <value>\r\n", ch); strcpy(help, "Skill being one of the following:\n\r"); for (i = 0; *spells[i] != '\n'; i++) { if (*spells[i] == '!') continue; sprintf(help + strlen(help), "%18s", spells[i]); if (i % 4 == 3) { strcat(help, "\r\n"); send_to_char(help, ch); *help = '\0'; } } if (*help) send_to_char(help, ch); send_to_char("\n\r", ch); return; } if (!(vict = get_char_vis(ch, name))) { send_to_char(NOPERSON, ch); return; } skip_spaces(&argument); /* If there is no chars in argument */ if (!*argument) { send_to_char("Skill name expected.\n\r", ch); return; } if (*argument != '\'') { send_to_char("Skill must be enclosed in: ''\n\r", ch); return; } /* Locate the last quote && lowercase the magic words (if any) */ for (qend = 1; *(argument + qend) && (*(argument + qend) != '\''); qend++) *(argument + qend) = LOWER(*(argument + qend)); if (*(argument + qend) != '\'') { send_to_char("Skill must be enclosed in: ''\n\r", ch); return; } strcpy(help, (argument + 1)); help[qend - 1] = '\0'; if ((skill = find_skill_num(help)) <= 0) { send_to_char("Unrecognized skill.\n\r", ch); return; } argument += qend + 1; /* skip to next parameter */ argument = one_argument(argument, buf); if (!*buf) { send_to_char("Learned value expected.\n\r", ch); return; } value = atoi(buf); if (value < 0) { send_to_char("Minimum value for learned is 0.\n\r", ch); return; } if (value > 100) { send_to_char("Max value for learned is 100.\n\r", ch); return; } if (IS_NPC(vict)) { send_to_char("You can't set NPC skills.\n\r", ch); return; } sprintf(buf2, "%s changed %s's %s to %d.", GET_NAME(ch), GET_NAME(vict), spells[skill], value); mudlog(buf2, BRF, -1, TRUE); SET_SKILL(vict, skill, value); sprintf(buf2, "You change %s's %s to %d.\n\r", GET_NAME(vict), spells[skill], value); send_to_char(buf2, ch); } /********************************************************************* * New Pagination Code * Michael Buselli submitted the following code for an enhanced pager * for CircleMUD. All functions below are his. --JE 8 Mar 96 * *********************************************************************/ #define PAGE_LENGTH 22 #define PAGE_WIDTH 80 /* Traverse down the string until the begining of the next page has been * reached. Return NULL if this is the last page of the string. */ char *next_page(char *str) { int col = 1, line = 1, spec_code = FALSE; for (;; str++) { /* If end of string, return NULL. */ if (*str == '\0') return NULL; /* If we're at the start of the next page, return this fact. */ else if (line > PAGE_LENGTH) return str; /* Check for the begining of an ANSI color code block. */ else if (*str == '\x1B' && !spec_code) spec_code = TRUE; /* Check for the end of an ANSI color code block. */ else if (*str == 'm' && spec_code) spec_code = FALSE; /* Check for everything else. */ else if (!spec_code) { /* Carriage return puts us in column one. */ if (*str == '\r') col = 1; /* Newline puts us on the next line. */ else if (*str == '\n') line++; /* We need to check here and see if we are over the page width, * and if so, compensate by going to the begining of the next line. */ else if (col++ > PAGE_WIDTH) { col = 1; line++; } } } } /* Function that returns the number of pages in the string. */ int count_pages(char *str) { int pages; for (pages = 1; (str = next_page(str)); pages++); return pages; } /* This function assigns all the pointers for showstr_vector for the * page_string function, after showstr_vector has been allocated and * showstr_count set. */ void paginate_string(char *str, struct descriptor_data *d) { int i; if (d->showstr_count) *(d->showstr_vector) = str; for (i = 1; i < d->showstr_count && str; i++) str = d->showstr_vector[i] = next_page(str); d->showstr_page = 0; } /* The call that gets the paging ball rolling... */ void page_string(struct descriptor_data *d, char *str, int keep_internal) { if (!d) return; if (!str || !*str) { send_to_char("", d->character); return; } CREATE(d->showstr_vector, char *, d->showstr_count = count_pages(str)); if (keep_internal) { d->showstr_head = str_dup(str); paginate_string(d->showstr_head, d); } else paginate_string(str, d); show_string(d, ""); } /* The call that displays the next page. */ void show_string(struct descriptor_data *d, char *input) { char buffer[MAX_STRING_LENGTH]; int diff; one_argument(input, buf); /* Q is for quit. :) */ if (LOWER(*buf) == 'q') { free(d->showstr_vector); d->showstr_count = 0; if (d->showstr_head) { free(d->showstr_head); d->showstr_head = 0; } return; } /* R is for refresh, so back up one page internally so we can display * it again. */ else if (LOWER(*buf) == 'r') d->showstr_page = MAX(0, d->showstr_page - 1); /* B is for back, so back up two pages internally so we can display the * correct page here. */ else if (LOWER(*buf) == 'b') d->showstr_page = MAX(0, d->showstr_page - 2); /* Feature to 'goto' a page. Just type the number of the page and you * are there! */ else if (isdigit(*buf)) d->showstr_page = MAX(0, MIN(atoi(buf) - 1, d->showstr_count - 1)); else if (*buf) { send_to_char( "Valid commands while paging are RETURN, Q, R, B, or a numeric value.\r\n", d->character); return; } /* If we're displaying the last page, just send it to the character, and * then free up the space we used. */ if (d->showstr_page + 1 >= d->showstr_count) { send_to_char(d->showstr_vector[d->showstr_page], d->character); free(d->showstr_vector); d->showstr_count = 0; if (d->showstr_head) { free(d->showstr_head); d->showstr_head = NULL; } } /* Or if we have more to show.... */ else { strncpy(buffer, d->showstr_vector[d->showstr_page], diff = ((int) d->showstr_vector[d->showstr_page + 1]) - ((int) d->showstr_vector[d->showstr_page])); buffer[diff] = '\0'; send_to_char(buffer, d->character); d->showstr_page++; } }