/* ************************************************************************
* File: house.c Part of CircleMUD *
* Usage: Handling of player houses *
* *
* 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 "comm.h"
#include "handler.h"
#include "db.h"
#include "interpreter.h"
#include "utils.h"
#include "house.h"
#include "constants.h"
extern struct room_data *world;
extern int top_of_world;
extern struct index_data *obj_index;
struct obj_data *Obj_from_store(struct obj_file_elem object);
int Obj_to_store(struct obj_data * obj, FILE * fl);
struct house_control_rec house_control[MAX_HOUSES];
int num_of_houses = 0;
/* local functions */
int House_get_filename(int vnum, char *filename);
int House_load(room_vnum vnum);
int House_save(struct obj_data * obj, FILE * fp);
void House_restore_weight(struct obj_data * obj);
void House_delete_file(int vnum);
int find_house(room_vnum vnum);
void House_save_control(void);
void hcontrol_list_houses(struct char_data * ch);
void hcontrol_build_house(struct char_data * ch, char *arg);
void hcontrol_destroy_house(struct char_data * ch, char *arg);
void hcontrol_pay_house(struct char_data * ch, char *arg);
ACMD(do_hcontrol);
ACMD(do_house);
/* First, the basics: finding the filename; loading/saving objects */
/* Return a filename given a house vnum */
int House_get_filename(int vnum, char *filename)
{
if (vnum < 0)
return 0;
sprintf(filename, LIB_HOUSE"%d.house", vnum);
return 1;
}
/* Load all objects for a house */
int House_load(room_vnum vnum)
{
FILE *fl;
char fname[MAX_STRING_LENGTH];
struct obj_file_elem object;
room_rnum rnum;
if ((rnum = real_room(vnum)) == -1)
return 0;
if (!House_get_filename(vnum, fname))
return 0;
if (!(fl = fopen(fname, "r+b"))) /* no file found */
return 0;
while (!feof(fl)) {
fread(&object, sizeof(struct obj_file_elem), 1, fl);
if (ferror(fl)) {
perror("Reading house file: House_load.");
fclose(fl);
return 0;
}
if (!feof(fl))
obj_to_room(Obj_from_store(object), rnum);
}
fclose(fl);
return 1;
}
/* Save all objects for a house (recursive; initial call must be followed
by a call to House_restore_weight) Assumes file is open already. */
int House_save(struct obj_data * obj, FILE * fp)
{
struct obj_data *tmp;
int result;
if (obj) {
House_save(obj->contains, fp);
House_save(obj->next_content, fp);
result = Obj_to_store(obj, fp);
if (!result)
return 0;
for (tmp = obj->in_obj; tmp; tmp = tmp->in_obj)
GET_OBJ_WEIGHT(tmp) -= GET_OBJ_WEIGHT(obj);
}
return 1;
}
/* restore weight of containers after House_save has changed them for saving */
void House_restore_weight(struct obj_data * obj)
{
if (obj) {
House_restore_weight(obj->contains);
House_restore_weight(obj->next_content);
if (obj->in_obj)
GET_OBJ_WEIGHT(obj->in_obj) += GET_OBJ_WEIGHT(obj);
}
}
/* Save all objects in a house */
void House_crashsave(room_vnum vnum)
{
int rnum;
char buf[MAX_STRING_LENGTH];
FILE *fp;
if ((rnum = real_room(vnum)) == -1)
return;
if (!House_get_filename(vnum, buf))
return;
if (!(fp = fopen(buf, "wb"))) {
perror("SYSERR: Error saving house file");
return;
}
if (!House_save(world[rnum].contents, fp)) {
fclose(fp);
return;
}
fclose(fp);
House_restore_weight(world[rnum].contents);
REMOVE_BIT(ROOM_FLAGS(rnum), ROOM_HOUSE_CRASH);
}
/* Delete a house save file */
void House_delete_file(int vnum)
{
char buf[MAX_INPUT_LENGTH], fname[MAX_INPUT_LENGTH];
FILE *fl;
if (!House_get_filename(vnum, fname))
return;
if (!(fl = fopen(fname, "rb"))) {
if (errno != ENOENT) {
sprintf(buf, "SYSERR: Error deleting house file #%d. (1)", vnum);
perror(buf);
}
return;
}
fclose(fl);
if (remove(fname) < 0) {
sprintf(buf, "SYSERR: Error deleting house file #%d. (2)", vnum);
perror(buf);
}
}
/* List all objects in a house file */
void House_listrent(struct char_data * ch, room_vnum vnum)
{
FILE *fl;
char fname[MAX_STRING_LENGTH];
char buf[MAX_STRING_LENGTH];
struct obj_file_elem object;
struct obj_data *obj;
if (!House_get_filename(vnum, fname))
return;
if (!(fl = fopen(fname, "rb"))) {
sprintf(buf, "No objects on file for house #%d.\r\n", vnum);
send_to_char(buf, ch);
return;
}
*buf = '\0';
while (!feof(fl)) {
fread(&object, sizeof(struct obj_file_elem), 1, fl);
if (ferror(fl)) {
fclose(fl);
return;
}
if (!feof(fl) && (obj = Obj_from_store(object)) != NULL) {
sprintf(buf + strlen(buf), " [%5d] (%5dau) %s\r\n",
GET_OBJ_VNUM(obj), GET_OBJ_RENT(obj),
obj->short_description);
free_obj(obj);
}
}
send_to_char(buf, ch);
fclose(fl);
}
/******************************************************************
* Functions for house administration (creation, deletion, etc. *
*****************************************************************/
int find_house(room_vnum vnum)
{
int i;
for (i = 0; i < num_of_houses; i++)
if (house_control[i].vnum == vnum)
return i;
return -1;
}
/* Save the house control information */
void House_save_control(void)
{
FILE *fl;
if (!(fl = fopen(HCONTROL_FILE, "wb"))) {
perror("SYSERR: Unable to open house control file.");
return;
}
/* write all the house control recs in one fell swoop. Pretty nifty, eh? */
fwrite(house_control, sizeof(struct house_control_rec), num_of_houses, fl);
fclose(fl);
}
/* call from boot_db - will load control recs, load objs, set atrium bits */
/* should do sanity checks on vnums & remove invalid records */
void House_boot(void)
{
struct house_control_rec temp_house;
sh_int real_house, real_atrium;
FILE *fl;
memset((char *)house_control,0,sizeof(struct house_control_rec)*MAX_HOUSES);
if (!(fl = fopen(HCONTROL_FILE, "rb"))) {
if (errno == ENOENT)
log("House control file '%s' does not exist.", HCONTROL_FILE);
else
perror(HCONTROL_FILE);
return;
}
while (!feof(fl) && num_of_houses < MAX_HOUSES) {
fread(&temp_house, sizeof(struct house_control_rec), 1, fl);
if (feof(fl))
break;
if (get_name_by_id(temp_house.owner) == NULL)
continue; /* owner no longer exists -- skip */
if ((real_house = real_room(temp_house.vnum)) < 0)
continue; /* this vnum doesn't exist -- skip */
if (find_house(temp_house.vnum) >= 0)
continue; /* this vnum is already a house -- skip */
if ((real_atrium = real_room(temp_house.atrium)) < 0)
continue; /* house doesn't have an atrium -- skip */
if (temp_house.exit_num < 0 || temp_house.exit_num >= NUM_OF_DIRS)
continue; /* invalid exit num -- skip */
if (TOROOM(real_house, temp_house.exit_num) != real_atrium)
continue; /* exit num mismatch -- skip */
house_control[num_of_houses++] = temp_house;
SET_BIT(ROOM_FLAGS(real_house), ROOM_HOUSE | ROOM_PRIVATE);
SET_BIT(ROOM_FLAGS(real_atrium), ROOM_ATRIUM);
House_load(temp_house.vnum);
}
fclose(fl);
House_save_control();
}
/* "House Control" functions */
const char *HCONTROL_FORMAT =
"Usage: hcontrol build <house vnum> <exit direction> <player name>\r\n"
" hcontrol destroy <house vnum>\r\n"
" hcontrol pay <house vnum>\r\n"
" hcontrol show\r\n";
void hcontrol_list_houses(struct char_data * ch)
{
int i;
char *timestr, *temp;
char built_on[128], last_pay[128], own_name[128];
if (!num_of_houses) {
send_to_char("No houses have been defined.\r\n", ch);
return;
}
strcpy(buf, "Address Atrium Build Date Guests Owner Last Paymt\r\n");
strcat(buf, "------- ------ ---------- ------ ------------ ----------\r\n");
send_to_char(buf, ch);
for (i = 0; i < num_of_houses; i++) {
/* Avoid seeing <UNDEF> entries from self-deleted people. -gg 6/21/98 */
if ((temp = get_name_by_id(house_control[i].owner)) == NULL)
continue;
if (house_control[i].built_on) {
timestr = asctime(localtime(&(house_control[i].built_on)));
*(timestr + 10) = '\0';
strcpy(built_on, timestr);
} else
strcpy(built_on, "Unknown");
if (house_control[i].last_payment) {
timestr = asctime(localtime(&(house_control[i].last_payment)));
*(timestr + 10) = '\0';
strcpy(last_pay, timestr);
} else
strcpy(last_pay, "None");
/* Now we need a copy of the owner's name to capitalize. -gg 6/21/98 */
strcpy(own_name, temp);
sprintf(buf, "%7d %7d %-10s %2d %-12s %s\r\n",
house_control[i].vnum, house_control[i].atrium, built_on,
house_control[i].num_of_guests, CAP(own_name), last_pay);
send_to_char(buf, ch);
House_list_guests(ch, i, TRUE);
}
}
void hcontrol_build_house(struct char_data * ch, char *arg)
{
char arg1[MAX_INPUT_LENGTH];
struct house_control_rec temp_house;
sh_int virt_house, real_house, real_atrium, virt_atrium, exit_num;
long owner;
if (num_of_houses >= MAX_HOUSES) {
send_to_char("Max houses already defined.\r\n", ch);
return;
}
/* first arg: house's vnum */
arg = one_argument(arg, arg1);
if (!*arg1) {
send_to_char(HCONTROL_FORMAT, ch);
return;
}
virt_house = atoi(arg1);
if ((real_house = real_room(virt_house)) < 0) {
send_to_char("No such room exists.\r\n", ch);
return;
}
if ((find_house(virt_house)) >= 0) {
send_to_char("House already exists.\r\n", ch);
return;
}
/* second arg: direction of house's exit */
arg = one_argument(arg, arg1);
if (!*arg1) {
send_to_char(HCONTROL_FORMAT, ch);
return;
}
if ((exit_num = search_block(arg1, dirs, FALSE)) < 0) {
sprintf(buf, "'%s' is not a valid direction.\r\n", arg1);
send_to_char(buf, ch);
return;
}
if (TOROOM(real_house, exit_num) == NOWHERE) {
sprintf(buf, "There is no exit %s from room %d.\r\n", dirs[exit_num],
virt_house);
send_to_char(buf, ch);
return;
}
real_atrium = TOROOM(real_house, exit_num);
virt_atrium = GET_ROOM_VNUM(real_atrium);
if (TOROOM(real_atrium, rev_dir[exit_num]) != real_house) {
send_to_char("A house's exit must be a two-way door.\r\n", ch);
return;
}
/* third arg: player's name */
arg = one_argument(arg, arg1);
if (!*arg1) {
send_to_char(HCONTROL_FORMAT, ch);
return;
}
if ((owner = get_id_by_name(arg1)) < 0) {
sprintf(buf, "Unknown player '%s'.\r\n", arg1);
send_to_char(buf, ch);
return;
}
temp_house.mode = HOUSE_PRIVATE;
temp_house.vnum = virt_house;
temp_house.atrium = virt_atrium;
temp_house.exit_num = exit_num;
temp_house.built_on = time(0);
temp_house.last_payment = 0;
temp_house.owner = owner;
temp_house.num_of_guests = 0;
house_control[num_of_houses++] = temp_house;
SET_BIT(ROOM_FLAGS(real_house), ROOM_HOUSE | ROOM_PRIVATE);
SET_BIT(ROOM_FLAGS(real_atrium), ROOM_ATRIUM);
House_crashsave(virt_house);
send_to_char("House built. Mazel tov!\r\n", ch);
House_save_control();
}
void hcontrol_destroy_house(struct char_data * ch, char *arg)
{
int i, j;
sh_int real_atrium, real_house;
if (!*arg) {
send_to_char(HCONTROL_FORMAT, ch);
return;
}
if ((i = find_house(atoi(arg))) < 0) {
send_to_char("Unknown house.\r\n", ch);
return;
}
if ((real_atrium = real_room(house_control[i].atrium)) < 0)
log("SYSERR: House %d had invalid atrium %d!", atoi(arg),
house_control[i].atrium);
else
REMOVE_BIT(ROOM_FLAGS(real_atrium), ROOM_ATRIUM);
if ((real_house = real_room(house_control[i].vnum)) < 0)
log("SYSERR: House %d had invalid vnum %d!", atoi(arg), house_control[i].vnum);
else
REMOVE_BIT(ROOM_FLAGS(real_house),
ROOM_HOUSE | ROOM_PRIVATE | ROOM_HOUSE_CRASH);
House_delete_file(house_control[i].vnum);
for (j = i; j < num_of_houses - 1; j++)
house_control[j] = house_control[j + 1];
num_of_houses--;
send_to_char("House deleted.\r\n", ch);
House_save_control();
/*
* Now, reset the ROOM_ATRIUM flag on all existing houses' atriums,
* just in case the house we just deleted shared an atrium with another
* house. --JE 9/19/94
*/
for (i = 0; i < num_of_houses; i++)
if ((real_atrium = real_room(house_control[i].atrium)) >= 0)
SET_BIT(ROOM_FLAGS(real_atrium), ROOM_ATRIUM);
}
void hcontrol_pay_house(struct char_data * ch, char *arg)
{
int i;
if (!*arg)
send_to_char(HCONTROL_FORMAT, ch);
else if ((i = find_house(atoi(arg))) < 0)
send_to_char("Unknown house.\r\n", ch);
else {
sprintf(buf, "Payment for house %s collected by %s.", arg, GET_NAME(ch));
mudlog(buf, NRM, MAX(LVL_IMMORT, GET_INVIS_LEV(ch)), TRUE);
house_control[i].last_payment = time(0);
House_save_control();
send_to_char("Payment recorded.\r\n", ch);
}
}
/* The hcontrol command itself, used by imms to create/destroy houses */
ACMD(do_hcontrol)
{
char arg1[MAX_INPUT_LENGTH], arg2[MAX_INPUT_LENGTH];
half_chop(argument, arg1, arg2);
if (is_abbrev(arg1, "build"))
hcontrol_build_house(ch, arg2);
else if (is_abbrev(arg1, "destroy"))
hcontrol_destroy_house(ch, arg2);
else if (is_abbrev(arg1, "pay"))
hcontrol_pay_house(ch, arg2);
else if (is_abbrev(arg1, "show"))
hcontrol_list_houses(ch);
else
send_to_char(HCONTROL_FORMAT, ch);
}
/* The house command, used by mortal house owners to assign guests */
ACMD(do_house)
{
int i, j, id;
one_argument(argument, arg);
if (!ROOM_FLAGGED(IN_ROOM(ch), ROOM_HOUSE))
send_to_char("You must be in your house to set guests.\r\n", ch);
else if ((i = find_house(GET_ROOM_VNUM(IN_ROOM(ch)))) < 0)
send_to_char("Um.. this house seems to be screwed up.\r\n", ch);
else if (GET_IDNUM(ch) != house_control[i].owner)
send_to_char("Only the primary owner can set guests.\r\n", ch);
else if (!*arg)
House_list_guests(ch, i, FALSE);
else if ((id = get_id_by_name(arg)) < 0)
send_to_char("No such player.\r\n", ch);
else if (id == GET_IDNUM(ch))
send_to_char("It's your house!\r\n", ch);
else {
for (j = 0; j < house_control[i].num_of_guests; j++)
if (house_control[i].guests[j] == id) {
for (; j < house_control[i].num_of_guests; j++)
house_control[i].guests[j] = house_control[i].guests[j + 1];
house_control[i].num_of_guests--;
House_save_control();
send_to_char("Guest deleted.\r\n", ch);
return;
}
if (house_control[i].num_of_guests == MAX_GUESTS) {
send_to_char("You have too many guests.\r\n", ch);
return;
}
j = house_control[i].num_of_guests++;
house_control[i].guests[j] = id;
House_save_control();
send_to_char("Guest added.\r\n", ch);
}
}
/* Misc. administrative functions */
/* crash-save all the houses */
void House_save_all(void)
{
int i;
sh_int real_house;
for (i = 0; i < num_of_houses; i++)
if ((real_house = real_room(house_control[i].vnum)) != NOWHERE)
if (ROOM_FLAGGED(real_house, ROOM_HOUSE_CRASH))
House_crashsave(house_control[i].vnum);
}
/* note: arg passed must be house vnum, so there. */
int House_can_enter(struct char_data * ch, room_vnum house)
{
int i, j;
if (GET_LEVEL(ch) >= LVL_GRGOD || (i = find_house(house)) < 0)
return 1;
switch (house_control[i].mode) {
case HOUSE_PRIVATE:
if (GET_IDNUM(ch) == house_control[i].owner)
return 1;
for (j = 0; j < house_control[i].num_of_guests; j++)
if (GET_IDNUM(ch) == house_control[i].guests[j])
return 1;
}
return 0;
}
void House_list_guests(struct char_data *ch, ush_int i, int quiet)
{
int j;
char *temp;
char buf[MAX_STRING_LENGTH], buf2[MAX_NAME_LENGTH + 2];
if (house_control[i].num_of_guests == 0) {
if (!quiet)
send_to_char(" Guests: None\r\n", ch);
return;
}
strcpy(buf, " Guests: ");
/* Avoid <UNDEF>. -gg 6/21/98 */
for (j = 0; j < house_control[i].num_of_guests; j++) {
if ((temp = get_name_by_id(house_control[i].guests[j])) == NULL)
continue;
sprintf(buf2, "%s ", temp);
strcat(buf, CAP(buf2));
}
strcat(buf, "\r\n");
send_to_char(buf, ch);
}