/* ************************************************************************
* File: db.c Part of CircleMUD *
* Usage: Loading/saving chars, booting/resetting world, internal funcs *
* *
* 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. *
************************************************************************ */
#define __DB_C__
#include "conf.h"
#include "sysdep.h"
#include "structs.h"
#include "utils.h"
#include "db.h"
#include "comm.h"
#include "handler.h"
#include "spells.h"
#include "mail.h"
#include "interpreter.h"
#include "house.h"
#include "constants.h"
/**************************************************************************
* declarations of most of the 'global' variables *
**************************************************************************/
struct room_data *world = NULL; /* array of rooms */
room_rnum top_of_world = 0; /* ref to top element of world */
struct char_data *character_list = NULL; /* global linked list of
* chars */
struct index_data *mob_index; /* index table for mobile file */
struct char_data *mob_proto; /* prototypes for mobs */
mob_rnum top_of_mobt = 0; /* top of mobile index table */
struct obj_data *object_list = NULL; /* global linked list of objs */
struct index_data *obj_index; /* index table for object file */
struct obj_data *obj_proto; /* prototypes for objs */
obj_rnum top_of_objt = 0; /* top of object index table */
struct zone_data *zone_table; /* zone table */
zone_rnum top_of_zone_table = 0;/* top element of zone tab */
struct message_list fight_messages[MAX_MESSAGES]; /* fighting messages */
struct player_index_element *player_table = NULL; /* index to plr file */
FILE *player_fl = NULL; /* file desc of player file */
int top_of_p_table = 0; /* ref to top of table */
long top_idnum = 0; /* highest idnum in use */
int no_mail = 0; /* mail disabled? */
int mini_mud = 0; /* mini-mud mode? */
int no_rent_check = 0; /* skip rent check on boot? */
time_t boot_time = 0; /* time of mud boot */
int circle_restrict = 0; /* level of game restriction */
room_rnum r_mortal_start_room; /* rnum of mortal start room */
room_rnum r_immort_start_room; /* rnum of immort start room */
room_rnum r_frozen_start_room; /* rnum of frozen start room */
char *credits = NULL; /* game credits */
char *news = NULL; /* mud news */
char *motd = NULL; /* message of the day - mortals */
char *imotd = NULL; /* message of the day - immorts */
char *GREETINGS = NULL; /* opening credits screen */
char *help = NULL; /* help screen */
char *info = NULL; /* info page */
char *wizlist = NULL; /* list of higher gods */
char *immlist = NULL; /* list of peon gods */
char *background = NULL; /* background story */
char *handbook = NULL; /* handbook for new immortals */
char *policies = NULL; /* policies page */
struct help_index_element *help_table = 0; /* the help table */
int top_of_helpt = 0; /* top of help index table */
struct time_info_data time_info;/* the infomation about the time */
struct weather_data weather_info; /* the infomation about the weather */
struct player_special_data dummy_mob; /* dummy spec area for mobs */
struct reset_q_type reset_q; /* queue of zones to be reset */
/* local functions */
int check_bitvector_names(bitvector_t bits, size_t namecount, const char *whatami, const char *whatbits);
int check_object_spell_number(struct obj_data *obj, int val);
int check_object_level(struct obj_data *obj, int val);
void setup_dir(FILE *fl, int room, int dir);
void index_boot(int mode);
void discrete_load(FILE *fl, int mode, char *filename);
int check_object(struct obj_data *);
void parse_room(FILE *fl, int virtual_nr);
void parse_mobile(FILE *mob_f, int nr);
char *parse_object(FILE *obj_f, int nr);
void load_zones(FILE *fl, char *zonename);
void load_help(FILE *fl);
void assign_mobiles(void);
void assign_objects(void);
void assign_rooms(void);
void assign_the_shopkeepers(void);
void build_player_index(void);
int is_empty(zone_rnum zone_nr);
void reset_zone(zone_rnum zone);
int file_to_string(const char *name, char *buf);
int file_to_string_alloc(const char *name, char **buf);
void reboot_wizlists(void);
ACMD(do_reboot);
void boot_world(void);
int count_alias_records(FILE *fl);
int count_hash_records(FILE *fl);
bitvector_t asciiflag_conv(char *flag);
void parse_simple_mob(FILE *mob_f, int i, int nr);
void interpret_espec(const char *keyword, const char *value, int i, int nr);
void parse_espec(char *buf, int i, int nr);
void parse_enhanced_mob(FILE *mob_f, int i, int nr);
void get_one_line(FILE *fl, char *buf);
void save_etext(struct char_data *ch);
void check_start_rooms(void);
void renum_world(void);
void renum_zone_table(void);
void log_zone_error(zone_rnum zone, int cmd_no, const char *message);
void reset_time(void);
long get_ptable_by_name(const char *name);
/* external functions */
void paginate_string(char *str, struct descriptor_data *d);
struct time_info_data *mud_time_passed(time_t t2, time_t t1);
void free_alias(struct alias_data *a);
void load_messages(void);
void weather_and_time(int mode);
void mag_assign_spells(void);
void boot_social_messages(void);
void update_obj_file(void); /* In objsave.c */
void sort_commands(void);
void sort_spells(void);
void load_banned(void);
void Read_Invalid_List(void);
void boot_the_shops(FILE *shop_f, char *filename, int rec_count);
int hsort(const void *a, const void *b);
void prune_crlf(char *txt);
void destroy_shops(void);
/* external vars */
extern int no_specials;
extern int scheck;
extern room_vnum mortal_start_room;
extern room_vnum immort_start_room;
extern room_vnum frozen_start_room;
extern struct descriptor_data *descriptor_list;
extern const char *unused_spellname; /* spell_parser.c */
/*************************************************************************
* routines for booting the system *
*************************************************************************/
/* this is necessary for the autowiz system */
void reboot_wizlists(void)
{
file_to_string_alloc(WIZLIST_FILE, &wizlist);
file_to_string_alloc(IMMLIST_FILE, &immlist);
}
/* Wipe out all the loaded text files, for shutting down. */
void free_text_files(void)
{
char **textfiles[] = {
&wizlist, &immlist, &news, &credits, &motd, &imotd, &help, &info,
&policies, &handbook, &background, &GREETINGS, NULL
};
int rf;
for (rf = 0; textfiles[rf]; rf++)
if (*textfiles[rf]) {
free(*textfiles[rf]);
*textfiles[rf] = NULL;
}
}
/*
* Too bad it doesn't check the return values to let the user
* know about -1 values. This will result in an 'Okay.' to a
* 'reload' command even when the string was not replaced.
* To fix later, if desired. -gg 6/24/99
*/
ACMD(do_reboot)
{
char arg[MAX_INPUT_LENGTH];
one_argument(argument, arg);
if (!str_cmp(arg, "all") || *arg == '*') {
if (file_to_string_alloc(GREETINGS_FILE, &GREETINGS) == 0)
prune_crlf(GREETINGS);
file_to_string_alloc(WIZLIST_FILE, &wizlist);
file_to_string_alloc(IMMLIST_FILE, &immlist);
file_to_string_alloc(NEWS_FILE, &news);
file_to_string_alloc(CREDITS_FILE, &credits);
file_to_string_alloc(MOTD_FILE, &motd);
file_to_string_alloc(IMOTD_FILE, &imotd);
file_to_string_alloc(HELP_PAGE_FILE, &help);
file_to_string_alloc(INFO_FILE, &info);
file_to_string_alloc(POLICIES_FILE, &policies);
file_to_string_alloc(HANDBOOK_FILE, &handbook);
file_to_string_alloc(BACKGROUND_FILE, &background);
} else if (!str_cmp(arg, "wizlist"))
file_to_string_alloc(WIZLIST_FILE, &wizlist);
else if (!str_cmp(arg, "immlist"))
file_to_string_alloc(IMMLIST_FILE, &immlist);
else if (!str_cmp(arg, "news"))
file_to_string_alloc(NEWS_FILE, &news);
else if (!str_cmp(arg, "credits"))
file_to_string_alloc(CREDITS_FILE, &credits);
else if (!str_cmp(arg, "motd"))
file_to_string_alloc(MOTD_FILE, &motd);
else if (!str_cmp(arg, "imotd"))
file_to_string_alloc(IMOTD_FILE, &imotd);
else if (!str_cmp(arg, "help"))
file_to_string_alloc(HELP_PAGE_FILE, &help);
else if (!str_cmp(arg, "info"))
file_to_string_alloc(INFO_FILE, &info);
else if (!str_cmp(arg, "policy"))
file_to_string_alloc(POLICIES_FILE, &policies);
else if (!str_cmp(arg, "handbook"))
file_to_string_alloc(HANDBOOK_FILE, &handbook);
else if (!str_cmp(arg, "background"))
file_to_string_alloc(BACKGROUND_FILE, &background);
else if (!str_cmp(arg, "greetings")) {
if (file_to_string_alloc(GREETINGS_FILE, &GREETINGS) == 0)
prune_crlf(GREETINGS);
} else if (!str_cmp(arg, "xhelp")) {
if (help_table)
free_help();
index_boot(DB_BOOT_HLP);
} else {
send_to_char(ch, "Unknown reload option.\r\n");
return;
}
send_to_char(ch, "%s", OK);
}
void boot_world(void)
{
log("Loading zone table.");
index_boot(DB_BOOT_ZON);
log("Loading rooms.");
index_boot(DB_BOOT_WLD);
log("Renumbering rooms.");
renum_world();
log("Checking start rooms.");
check_start_rooms();
log("Loading mobs and generating index.");
index_boot(DB_BOOT_MOB);
log("Loading objs and generating index.");
index_boot(DB_BOOT_OBJ);
log("Renumbering zone table.");
renum_zone_table();
if (!no_specials) {
log("Loading shops.");
index_boot(DB_BOOT_SHP);
}
}
void free_extra_descriptions(struct extra_descr_data *edesc)
{
struct extra_descr_data *enext;
for (; edesc; edesc = enext) {
enext = edesc->next;
free(edesc->keyword);
free(edesc->description);
free(edesc);
}
}
/* Free the world, in a memory allocation sense. */
void destroy_db(void)
{
ssize_t cnt, itr;
struct char_data *chtmp;
struct obj_data *objtmp;
/* Active Mobiles & Players */
while (character_list) {
chtmp = character_list;
character_list = character_list->next;
free_char(chtmp);
}
/* Active Objects */
while (object_list) {
objtmp = object_list;
object_list = object_list->next;
free_obj(objtmp);
}
/* Rooms */
for (cnt = 0; cnt <= top_of_world; cnt++) {
if (world[cnt].name)
free(world[cnt].name);
if (world[cnt].description)
free(world[cnt].description);
free_extra_descriptions(world[cnt].ex_description);
for (itr = 0; itr < NUM_OF_DIRS; itr++) {
if (!world[cnt].dir_option[itr])
continue;
if (world[cnt].dir_option[itr]->general_description)
free(world[cnt].dir_option[itr]->general_description);
if (world[cnt].dir_option[itr]->keyword)
free(world[cnt].dir_option[itr]->keyword);
free(world[cnt].dir_option[itr]);
}
}
free(world);
/* Objects */
for (cnt = 0; cnt <= top_of_objt; cnt++) {
if (obj_proto[cnt].name)
free(obj_proto[cnt].name);
if (obj_proto[cnt].description)
free(obj_proto[cnt].description);
if (obj_proto[cnt].short_description)
free(obj_proto[cnt].short_description);
if (obj_proto[cnt].action_description)
free(obj_proto[cnt].action_description);
free_extra_descriptions(obj_proto[cnt].ex_description);
}
free(obj_proto);
free(obj_index);
/* Mobiles */
for (cnt = 0; cnt <= top_of_mobt; cnt++) {
if (mob_proto[cnt].player.name)
free(mob_proto[cnt].player.name);
if (mob_proto[cnt].player.title)
free(mob_proto[cnt].player.title);
if (mob_proto[cnt].player.short_descr)
free(mob_proto[cnt].player.short_descr);
if (mob_proto[cnt].player.long_descr)
free(mob_proto[cnt].player.long_descr);
if (mob_proto[cnt].player.description)
free(mob_proto[cnt].player.description);
while (mob_proto[cnt].affected)
affect_remove(&mob_proto[cnt], mob_proto[cnt].affected);
}
free(mob_proto);
free(mob_index);
/* Shops */
destroy_shops();
/* Zones */
for (cnt = 0; cnt <= top_of_zone_table; cnt++) {
if (zone_table[cnt].name)
free(zone_table[cnt].name);
if (zone_table[cnt].cmd)
free(zone_table[cnt].cmd);
}
free(zone_table);
}
/* body of the booting system */
void boot_db(void)
{
zone_rnum i;
log("Boot db -- BEGIN.");
log("Resetting the game time:");
reset_time();
log("Reading news, credits, help, bground, info & motds.");
file_to_string_alloc(NEWS_FILE, &news);
file_to_string_alloc(CREDITS_FILE, &credits);
file_to_string_alloc(MOTD_FILE, &motd);
file_to_string_alloc(IMOTD_FILE, &imotd);
file_to_string_alloc(HELP_PAGE_FILE, &help);
file_to_string_alloc(INFO_FILE, &info);
file_to_string_alloc(WIZLIST_FILE, &wizlist);
file_to_string_alloc(IMMLIST_FILE, &immlist);
file_to_string_alloc(POLICIES_FILE, &policies);
file_to_string_alloc(HANDBOOK_FILE, &handbook);
file_to_string_alloc(BACKGROUND_FILE, &background);
if (file_to_string_alloc(GREETINGS_FILE, &GREETINGS) == 0)
prune_crlf(GREETINGS);
log("Loading spell definitions.");
mag_assign_spells();
boot_world();
log("Loading help entries.");
index_boot(DB_BOOT_HLP);
log("Generating player index.");
build_player_index();
log("Loading fight messages.");
load_messages();
log("Loading social messages.");
boot_social_messages();
log("Assigning function pointers:");
if (!no_specials) {
log(" Mobiles.");
assign_mobiles();
log(" Shopkeepers.");
assign_the_shopkeepers();
log(" Objects.");
assign_objects();
log(" Rooms.");
assign_rooms();
}
log("Assigning spell and skill levels.");
init_spell_levels();
log("Sorting command list and spells.");
sort_commands();
sort_spells();
log("Booting mail system.");
if (!scan_file()) {
log(" Mail boot failed -- Mail system disabled");
no_mail = 1;
}
log("Reading banned site and invalid-name list.");
load_banned();
Read_Invalid_List();
if (!no_rent_check) {
log("Deleting timed-out crash and rent files:");
update_obj_file();
log(" Done.");
}
/* Moved here so the object limit code works. -gg 6/24/98 */
if (!mini_mud) {
log("Booting houses.");
House_boot();
}
for (i = 0; i <= top_of_zone_table; i++) {
log("Resetting #%d: %s (rooms %d-%d).", zone_table[i].number,
zone_table[i].name, zone_table[i].bot, zone_table[i].top);
reset_zone(i);
}
reset_q.head = reset_q.tail = NULL;
boot_time = time(0);
log("Boot db -- DONE.");
}
/* reset the time in the game from file */
void reset_time(void)
{
time_t beginning_of_time = 0;
FILE *bgtime;
if ((bgtime = fopen(TIME_FILE, "r")) == NULL)
log("SYSERR: Can't read from '%s' time file.", TIME_FILE);
else {
fscanf(bgtime, "%ld\n", &beginning_of_time);
fclose(bgtime);
}
if (beginning_of_time == 0)
beginning_of_time = 650336715;
time_info = *mud_time_passed(time(0), beginning_of_time);
if (time_info.hours <= 4)
weather_info.sunlight = SUN_DARK;
else if (time_info.hours == 5)
weather_info.sunlight = SUN_RISE;
else if (time_info.hours <= 20)
weather_info.sunlight = SUN_LIGHT;
else if (time_info.hours == 21)
weather_info.sunlight = SUN_SET;
else
weather_info.sunlight = SUN_DARK;
log(" Current Gametime: %dH %dD %dM %dY.", time_info.hours,
time_info.day, time_info.month, time_info.year);
weather_info.pressure = 960;
if ((time_info.month >= 7) && (time_info.month <= 12))
weather_info.pressure += dice(1, 50);
else
weather_info.pressure += dice(1, 80);
weather_info.change = 0;
if (weather_info.pressure <= 980)
weather_info.sky = SKY_LIGHTNING;
else if (weather_info.pressure <= 1000)
weather_info.sky = SKY_RAINING;
else if (weather_info.pressure <= 1020)
weather_info.sky = SKY_CLOUDY;
else
weather_info.sky = SKY_CLOUDLESS;
}
/* Write the time in 'when' to the MUD-time file. */
void save_mud_time(struct time_info_data *when)
{
FILE *bgtime;
if ((bgtime = fopen(TIME_FILE, "w")) == NULL)
log("SYSERR: Can't write to '%s' time file.", TIME_FILE);
else {
fprintf(bgtime, "%ld\n", mud_time_to_secs(when));
fclose(bgtime);
}
}
void free_player_index(void)
{
int tp;
if (!player_table)
return;
for (tp = 0; tp <= top_of_p_table; tp++)
if (player_table[tp].name)
free(player_table[tp].name);
free(player_table);
player_table = NULL;
top_of_p_table = 0;
}
/* generate index table for the player file */
void build_player_index(void)
{
int nr = -1, i;
long size, recs;
struct char_file_u dummy;
if (!(player_fl = fopen(PLAYER_FILE, "r+b"))) {
if (errno != ENOENT) {
perror("SYSERR: fatal error opening playerfile");
exit(1);
} else {
log("No playerfile. Creating a new one.");
touch(PLAYER_FILE);
if (!(player_fl = fopen(PLAYER_FILE, "r+b"))) {
perror("SYSERR: fatal error opening playerfile");
exit(1);
}
}
}
fseek(player_fl, 0L, SEEK_END);
size = ftell(player_fl);
rewind(player_fl);
if (size % sizeof(struct char_file_u))
log("\aWARNING: PLAYERFILE IS PROBABLY CORRUPT!");
recs = size / sizeof(struct char_file_u);
if (recs) {
log(" %ld players in database.", recs);
CREATE(player_table, struct player_index_element, recs);
} else {
player_table = NULL;
top_of_p_table = -1;
return;
}
for (;;) {
fread(&dummy, sizeof(struct char_file_u), 1, player_fl);
if (feof(player_fl))
break;
/* new record */
nr++;
CREATE(player_table[nr].name, char, strlen(dummy.name) + 1);
for (i = 0; (*(player_table[nr].name + i) = LOWER(*(dummy.name + i))); i++)
;
player_table[nr].id = dummy.char_specials_saved.idnum;
top_idnum = MAX(top_idnum, dummy.char_specials_saved.idnum);
}
top_of_p_table = nr;
}
/*
* Thanks to Andrey (andrey@alex-ua.com) for this bit of code, although I
* did add the 'goto' and changed some "while()" into "do { } while()".
* -gg 6/24/98 (technically 6/25/98, but I care not.)
*/
int count_alias_records(FILE *fl)
{
char key[READ_SIZE], next_key[READ_SIZE];
char line[READ_SIZE], *scan;
int total_keywords = 0;
/* get the first keyword line */
get_one_line(fl, key);
while (*key != '$') {
/* skip the text */
do {
get_one_line(fl, line);
if (feof(fl))
goto ackeof;
} while (*line != '#');
/* now count keywords */
scan = key;
do {
scan = one_word(scan, next_key);
if (*next_key)
++total_keywords;
} while (*next_key);
/* get next keyword line (or $) */
get_one_line(fl, key);
if (feof(fl))
goto ackeof;
}
return (total_keywords);
/* No, they are not evil. -gg 6/24/98 */
ackeof:
log("SYSERR: Unexpected end of help file.");
exit(1); /* Some day we hope to handle these things better... */
}
/* function to count how many hash-mark delimited records exist in a file */
int count_hash_records(FILE *fl)
{
char buf[128];
int count = 0;
while (fgets(buf, 128, fl))
if (*buf == '#')
count++;
return (count);
}
void index_boot(int mode)
{
const char *index_filename, *prefix = NULL; /* NULL or egcs 1.1 complains */
FILE *db_index, *db_file;
int rec_count = 0, size[2];
char buf2[PATH_MAX], buf1[MAX_STRING_LENGTH];
switch (mode) {
case DB_BOOT_WLD:
prefix = WLD_PREFIX;
break;
case DB_BOOT_MOB:
prefix = MOB_PREFIX;
break;
case DB_BOOT_OBJ:
prefix = OBJ_PREFIX;
break;
case DB_BOOT_ZON:
prefix = ZON_PREFIX;
break;
case DB_BOOT_SHP:
prefix = SHP_PREFIX;
break;
case DB_BOOT_HLP:
prefix = HLP_PREFIX;
break;
default:
log("SYSERR: Unknown subcommand %d to index_boot!", mode);
exit(1);
}
if (mini_mud)
index_filename = MINDEX_FILE;
else
index_filename = INDEX_FILE;
snprintf(buf2, sizeof(buf2), "%s%s", prefix, index_filename);
if (!(db_index = fopen(buf2, "r"))) {
log("SYSERR: opening index file '%s': %s", buf2, strerror(errno));
exit(1);
}
/* first, count the number of records in the file so we can malloc */
fscanf(db_index, "%s\n", buf1);
while (*buf1 != '$') {
snprintf(buf2, sizeof(buf2), "%s%s", prefix, buf1);
if (!(db_file = fopen(buf2, "r"))) {
log("SYSERR: File '%s' listed in '%s/%s': %s", buf2, prefix,
index_filename, strerror(errno));
fscanf(db_index, "%s\n", buf1);
continue;
} else {
if (mode == DB_BOOT_ZON)
rec_count++;
else if (mode == DB_BOOT_HLP)
rec_count += count_alias_records(db_file);
else
rec_count += count_hash_records(db_file);
}
fclose(db_file);
fscanf(db_index, "%s\n", buf1);
}
/* Exit if 0 records, unless this is shops */
if (!rec_count) {
if (mode == DB_BOOT_SHP)
return;
log("SYSERR: boot error - 0 records counted in %s/%s.", prefix,
index_filename);
exit(1);
}
/*
* NOTE: "bytes" does _not_ include strings or other later malloc'd things.
*/
switch (mode) {
case DB_BOOT_WLD:
CREATE(world, struct room_data, rec_count);
size[0] = sizeof(struct room_data) * rec_count;
log(" %d rooms, %d bytes.", rec_count, size[0]);
break;
case DB_BOOT_MOB:
CREATE(mob_proto, struct char_data, rec_count);
CREATE(mob_index, struct index_data, rec_count);
size[0] = sizeof(struct index_data) * rec_count;
size[1] = sizeof(struct char_data) * rec_count;
log(" %d mobs, %d bytes in index, %d bytes in prototypes.", rec_count, size[0], size[1]);
break;
case DB_BOOT_OBJ:
CREATE(obj_proto, struct obj_data, rec_count);
CREATE(obj_index, struct index_data, rec_count);
size[0] = sizeof(struct index_data) * rec_count;
size[1] = sizeof(struct obj_data) * rec_count;
log(" %d objs, %d bytes in index, %d bytes in prototypes.", rec_count, size[0], size[1]);
break;
case DB_BOOT_ZON:
CREATE(zone_table, struct zone_data, rec_count);
size[0] = sizeof(struct zone_data) * rec_count;
log(" %d zones, %d bytes.", rec_count, size[0]);
break;
case DB_BOOT_HLP:
CREATE(help_table, struct help_index_element, rec_count);
size[0] = sizeof(struct help_index_element) * rec_count;
log(" %d entries, %d bytes.", rec_count, size[0]);
break;
}
rewind(db_index);
fscanf(db_index, "%s\n", buf1);
while (*buf1 != '$') {
snprintf(buf2, sizeof(buf2), "%s%s", prefix, buf1);
if (!(db_file = fopen(buf2, "r"))) {
log("SYSERR: %s: %s", buf2, strerror(errno));
exit(1);
}
switch (mode) {
case DB_BOOT_WLD:
case DB_BOOT_OBJ:
case DB_BOOT_MOB:
discrete_load(db_file, mode, buf2);
break;
case DB_BOOT_ZON:
load_zones(db_file, buf2);
break;
case DB_BOOT_HLP:
/*
* If you think about it, we have a race here. Although, this is the
* "point-the-gun-at-your-own-foot" type of race.
*/
load_help(db_file);
break;
case DB_BOOT_SHP:
boot_the_shops(db_file, buf2, rec_count);
break;
}
fclose(db_file);
fscanf(db_index, "%s\n", buf1);
}
fclose(db_index);
/* sort the help index */
if (mode == DB_BOOT_HLP) {
qsort(help_table, top_of_helpt, sizeof(struct help_index_element), hsort);
top_of_helpt--;
}
}
void discrete_load(FILE *fl, int mode, char *filename)
{
int nr = -1, last;
char line[READ_SIZE];
const char *modes[] = {"world", "mob", "obj"};
for (;;) {
/*
* we have to do special processing with the obj files because they have
* no end-of-record marker :(
*/
if (mode != DB_BOOT_OBJ || nr < 0)
if (!get_line(fl, line)) {
if (nr == -1) {
log("SYSERR: %s file %s is empty!", modes[mode], filename);
} else {
log("SYSERR: Format error in %s after %s #%d\n"
"...expecting a new %s, but file ended!\n"
"(maybe the file is not terminated with '$'?)", filename,
modes[mode], nr, modes[mode]);
}
exit(1);
}
if (*line == '$')
return;
if (*line == '#') {
last = nr;
if (sscanf(line, "#%d", &nr) != 1) {
log("SYSERR: Format error after %s #%d", modes[mode], last);
exit(1);
}
if (nr >= 99999)
return;
else
switch (mode) {
case DB_BOOT_WLD:
parse_room(fl, nr);
break;
case DB_BOOT_MOB:
parse_mobile(fl, nr);
break;
case DB_BOOT_OBJ:
strlcpy(line, parse_object(fl, nr), sizeof(line));
break;
}
} else {
log("SYSERR: Format error in %s file %s near %s #%d", modes[mode],
filename, modes[mode], nr);
log("SYSERR: ... offending line: '%s'", line);
exit(1);
}
}
}
bitvector_t asciiflag_conv(char *flag)
{
bitvector_t flags = 0;
int is_num = TRUE;
char *p;
for (p = flag; *p; p++) {
if (islower(*p))
flags |= 1 << (*p - 'a');
else if (isupper(*p))
flags |= 1 << (26 + (*p - 'A'));
if (!isdigit(*p))
is_num = FALSE;
}
if (is_num)
flags = atol(flag);
return (flags);
}
/* load the rooms */
void parse_room(FILE *fl, int virtual_nr)
{
static int room_nr = 0, zone = 0;
int t[10], i;
char line[READ_SIZE], flags[128], buf2[MAX_STRING_LENGTH], buf[128];
struct extra_descr_data *new_descr;
/* This really had better fit or there are other problems. */
snprintf(buf2, sizeof(buf2), "room #%d", virtual_nr);
if (virtual_nr < zone_table[zone].bot) {
log("SYSERR: Room #%d is below zone %d.", virtual_nr, zone);
exit(1);
}
while (virtual_nr > zone_table[zone].top)
if (++zone > top_of_zone_table) {
log("SYSERR: Room %d is outside of any zone.", virtual_nr);
exit(1);
}
world[room_nr].zone = zone;
world[room_nr].number = virtual_nr;
world[room_nr].name = fread_string(fl, buf2);
world[room_nr].description = fread_string(fl, buf2);
if (!get_line(fl, line)) {
log("SYSERR: Expecting roomflags/sector type of room #%d but file ended!",
virtual_nr);
exit(1);
}
if (sscanf(line, " %d %s %d ", t, flags, t + 2) != 3) {
log("SYSERR: Format error in roomflags/sector type of room #%d",
virtual_nr);
exit(1);
}
/* t[0] is the zone number; ignored with the zone-file system */
world[room_nr].room_flags = asciiflag_conv(flags);
sprintf(flags, "object #%d", virtual_nr); /* sprintf: OK (until 399-bit integers) */
check_bitvector_names(world[room_nr].room_flags, room_bits_count, flags, "room");
world[room_nr].sector_type = t[2];
world[room_nr].func = NULL;
world[room_nr].contents = NULL;
world[room_nr].people = NULL;
world[room_nr].light = 0; /* Zero light sources */
for (i = 0; i < NUM_OF_DIRS; i++)
world[room_nr].dir_option[i] = NULL;
world[room_nr].ex_description = NULL;
snprintf(buf, sizeof(buf), "SYSERR: Format error in room #%d (expecting D/E/S)", virtual_nr);
for (;;) {
if (!get_line(fl, line)) {
log("%s", buf);
exit(1);
}
switch (*line) {
case 'D':
setup_dir(fl, room_nr, atoi(line + 1));
break;
case 'E':
CREATE(new_descr, struct extra_descr_data, 1);
new_descr->keyword = fread_string(fl, buf2);
new_descr->description = fread_string(fl, buf2);
new_descr->next = world[room_nr].ex_description;
world[room_nr].ex_description = new_descr;
break;
case 'S': /* end of room */
top_of_world = room_nr++;
return;
default:
log("%s", buf);
exit(1);
}
}
}
/* read direction data */
void setup_dir(FILE *fl, int room, int dir)
{
int t[5];
char line[READ_SIZE], buf2[128];
snprintf(buf2, sizeof(buf2), "room #%d, direction D%d", GET_ROOM_VNUM(room), dir);
CREATE(world[room].dir_option[dir], struct room_direction_data, 1);
world[room].dir_option[dir]->general_description = fread_string(fl, buf2);
world[room].dir_option[dir]->keyword = fread_string(fl, buf2);
if (!get_line(fl, line)) {
log("SYSERR: Format error, %s", buf2);
exit(1);
}
if (sscanf(line, " %d %d %d ", t, t + 1, t + 2) != 3) {
log("SYSERR: Format error, %s", buf2);
exit(1);
}
if (t[0] == 1)
world[room].dir_option[dir]->exit_info = EX_ISDOOR;
else if (t[0] == 2)
world[room].dir_option[dir]->exit_info = EX_ISDOOR | EX_PICKPROOF;
else
world[room].dir_option[dir]->exit_info = 0;
world[room].dir_option[dir]->key = t[1];
world[room].dir_option[dir]->to_room = t[2];
}
/* make sure the start rooms exist & resolve their vnums to rnums */
void check_start_rooms(void)
{
if ((r_mortal_start_room = real_room(mortal_start_room)) == NOWHERE) {
log("SYSERR: Mortal start room does not exist. Change in config.c.");
exit(1);
}
if ((r_immort_start_room = real_room(immort_start_room)) == NOWHERE) {
if (!mini_mud)
log("SYSERR: Warning: Immort start room does not exist. Change in config.c.");
r_immort_start_room = r_mortal_start_room;
}
if ((r_frozen_start_room = real_room(frozen_start_room)) == NOWHERE) {
if (!mini_mud)
log("SYSERR: Warning: Frozen start room does not exist. Change in config.c.");
r_frozen_start_room = r_mortal_start_room;
}
}
/* resolve all vnums into rnums in the world */
void renum_world(void)
{
int room, door;
for (room = 0; room <= top_of_world; room++)
for (door = 0; door < NUM_OF_DIRS; door++)
if (world[room].dir_option[door])
if (world[room].dir_option[door]->to_room != NOWHERE)
world[room].dir_option[door]->to_room =
real_room(world[room].dir_option[door]->to_room);
}
#define ZCMD zone_table[zone].cmd[cmd_no]
/*
* "resulve vnums into rnums in the zone reset tables"
*
* Or in English: Once all of the zone reset tables have been loaded, we
* resolve the virtual numbers into real numbers all at once so we don't have
* to do it repeatedly while the game is running. This does make adding any
* room, mobile, or object a little more difficult while the game is running.
*
* NOTE 1: Assumes NOWHERE == NOBODY == NOTHING.
* NOTE 2: Assumes sizeof(room_rnum) >= (sizeof(mob_rnum) and sizeof(obj_rnum))
*/
void renum_zone_table(void)
{
int cmd_no;
room_rnum a, b, c, olda, oldb, oldc;
zone_rnum zone;
char buf[128];
for (zone = 0; zone <= top_of_zone_table; zone++)
for (cmd_no = 0; ZCMD.command != 'S'; cmd_no++) {
a = b = c = 0;
olda = ZCMD.arg1;
oldb = ZCMD.arg2;
oldc = ZCMD.arg3;
switch (ZCMD.command) {
case 'M':
a = ZCMD.arg1 = real_mobile(ZCMD.arg1);
c = ZCMD.arg3 = real_room(ZCMD.arg3);
break;
case 'O':
a = ZCMD.arg1 = real_object(ZCMD.arg1);
if (ZCMD.arg3 != NOWHERE)
c = ZCMD.arg3 = real_room(ZCMD.arg3);
break;
case 'G':
a = ZCMD.arg1 = real_object(ZCMD.arg1);
break;
case 'E':
a = ZCMD.arg1 = real_object(ZCMD.arg1);
break;
case 'P':
a = ZCMD.arg1 = real_object(ZCMD.arg1);
c = ZCMD.arg3 = real_object(ZCMD.arg3);
break;
case 'D':
a = ZCMD.arg1 = real_room(ZCMD.arg1);
break;
case 'R': /* rem obj from room */
a = ZCMD.arg1 = real_room(ZCMD.arg1);
b = ZCMD.arg2 = real_object(ZCMD.arg2);
break;
}
if (a == NOWHERE || b == NOWHERE || c == NOWHERE) {
if (!mini_mud) {
snprintf(buf, sizeof(buf), "Invalid vnum %d, cmd disabled",
a == NOWHERE ? olda : b == NOWHERE ? oldb : oldc);
log_zone_error(zone, cmd_no, buf);
}
ZCMD.command = '*';
}
}
}
void parse_simple_mob(FILE *mob_f, int i, int nr)
{
int j, t[10];
char line[READ_SIZE];
mob_proto[i].real_abils.str = 11;
mob_proto[i].real_abils.intel = 11;
mob_proto[i].real_abils.wis = 11;
mob_proto[i].real_abils.dex = 11;
mob_proto[i].real_abils.con = 11;
mob_proto[i].real_abils.cha = 11;
if (!get_line(mob_f, line)) {
log("SYSERR: Format error in mob #%d, file ended after S flag!", nr);
exit(1);
}
if (sscanf(line, " %d %d %d %dd%d+%d %dd%d+%d ",
t, t + 1, t + 2, t + 3, t + 4, t + 5, t + 6, t + 7, t + 8) != 9) {
log("SYSERR: Format error in mob #%d, first line after S flag\n"
"...expecting line of form '# # # #d#+# #d#+#'", nr);
exit(1);
}
GET_LEVEL(mob_proto + i) = t[0];
GET_HITROLL(mob_proto + i) = 20 - t[1];
GET_AC(mob_proto + i) = 10 * t[2];
/* max hit = 0 is a flag that H, M, V is xdy+z */
GET_MAX_HIT(mob_proto + i) = 0;
GET_HIT(mob_proto + i) = t[3];
GET_MANA(mob_proto + i) = t[4];
GET_MOVE(mob_proto + i) = t[5];
GET_MAX_MANA(mob_proto + i) = 10;
GET_MAX_MOVE(mob_proto + i) = 50;
mob_proto[i].mob_specials.damnodice = t[6];
mob_proto[i].mob_specials.damsizedice = t[7];
GET_DAMROLL(mob_proto + i) = t[8];
if (!get_line(mob_f, line)) {
log("SYSERR: Format error in mob #%d, second line after S flag\n"
"...expecting line of form '# #', but file ended!", nr);
exit(1);
}
if (sscanf(line, " %d %d ", t, t + 1) != 2) {
log("SYSERR: Format error in mob #%d, second line after S flag\n"
"...expecting line of form '# #'", nr);
exit(1);
}
GET_GOLD(mob_proto + i) = t[0];
GET_EXP(mob_proto + i) = t[1];
if (!get_line(mob_f, line)) {
log("SYSERR: Format error in last line of mob #%d\n"
"...expecting line of form '# # #', but file ended!", nr);
exit(1);
}
if (sscanf(line, " %d %d %d ", t, t + 1, t + 2) != 3) {
log("SYSERR: Format error in last line of mob #%d\n"
"...expecting line of form '# # #'", nr);
exit(1);
}
GET_POS(mob_proto + i) = t[0];
GET_DEFAULT_POS(mob_proto + i) = t[1];
GET_SEX(mob_proto + i) = t[2];
GET_CLASS(mob_proto + i) = 0;
GET_WEIGHT(mob_proto + i) = 200;
GET_HEIGHT(mob_proto + i) = 198;
/*
* these are now save applies; base save numbers for MOBs are now from
* the warrior save table.
*/
for (j = 0; j < 5; j++)
GET_SAVE(mob_proto + i, j) = 0;
}
/*
* interpret_espec is the function that takes espec keywords and values
* and assigns the correct value to the mob as appropriate. Adding new
* e-specs is absurdly easy -- just add a new CASE statement to this
* function! No other changes need to be made anywhere in the code.
*
* CASE : Requires a parameter through 'value'.
* BOOL_CASE : Being specified at all is its value.
*/
#define CASE(test) \
if (value && !matched && !str_cmp(keyword, test) && (matched = TRUE))
#define BOOL_CASE(test) \
if (!value && !matched && !str_cmp(keyword, test) && (matched = TRUE))
#define RANGE(low, high) \
(num_arg = MAX((low), MIN((high), (num_arg))))
void interpret_espec(const char *keyword, const char *value, int i, int nr)
{
int num_arg = 0, matched = FALSE;
/*
* If there isn't a colon, there is no value. While Boolean options are
* possible, we don't actually have any. Feel free to make some.
*/
if (value)
num_arg = atoi(value);
CASE("BareHandAttack") {
RANGE(0, 99);
mob_proto[i].mob_specials.attack_type = num_arg;
}
CASE("Str") {
RANGE(3, 25);
mob_proto[i].real_abils.str = num_arg;
}
CASE("StrAdd") {
RANGE(0, 100);
mob_proto[i].real_abils.str_add = num_arg;
}
CASE("Int") {
RANGE(3, 25);
mob_proto[i].real_abils.intel = num_arg;
}
CASE("Wis") {
RANGE(3, 25);
mob_proto[i].real_abils.wis = num_arg;
}
CASE("Dex") {
RANGE(3, 25);
mob_proto[i].real_abils.dex = num_arg;
}
CASE("Con") {
RANGE(3, 25);
mob_proto[i].real_abils.con = num_arg;
}
CASE("Cha") {
RANGE(3, 25);
mob_proto[i].real_abils.cha = num_arg;
}
if (!matched) {
log("SYSERR: Warning: unrecognized espec keyword %s in mob #%d",
keyword, nr);
}
}
#undef CASE
#undef BOOL_CASE
#undef RANGE
void parse_espec(char *buf, int i, int nr)
{
char *ptr;
if ((ptr = strchr(buf, ':')) != NULL) {
*(ptr++) = '\0';
while (isspace(*ptr))
ptr++;
}
interpret_espec(buf, ptr, i, nr);
}
void parse_enhanced_mob(FILE *mob_f, int i, int nr)
{
char line[READ_SIZE];
parse_simple_mob(mob_f, i, nr);
while (get_line(mob_f, line)) {
if (!strcmp(line, "E")) /* end of the enhanced section */
return;
else if (*line == '#') { /* we've hit the next mob, maybe? */
log("SYSERR: Unterminated E section in mob #%d", nr);
exit(1);
} else
parse_espec(line, i, nr);
}
log("SYSERR: Unexpected end of file reached after mob #%d", nr);
exit(1);
}
void parse_mobile(FILE *mob_f, int nr)
{
static int i = 0;
int j, t[10];
char line[READ_SIZE], *tmpptr, letter;
char f1[128], f2[128], buf2[128];
mob_index[i].vnum = nr;
mob_index[i].number = 0;
mob_index[i].func = NULL;
clear_char(mob_proto + i);
/*
* Mobiles should NEVER use anything in the 'player_specials' structure.
* The only reason we have every mob in the game share this copy of the
* structure is to save newbie coders from themselves. -gg 2/25/98
*/
mob_proto[i].player_specials = &dummy_mob;
sprintf(buf2, "mob vnum %d", nr); /* sprintf: OK (for 'buf2 >= 19') */
/***** String data *****/
mob_proto[i].player.name = fread_string(mob_f, buf2);
tmpptr = mob_proto[i].player.short_descr = fread_string(mob_f, buf2);
if (tmpptr && *tmpptr)
if (!str_cmp(fname(tmpptr), "a") || !str_cmp(fname(tmpptr), "an") ||
!str_cmp(fname(tmpptr), "the"))
*tmpptr = LOWER(*tmpptr);
mob_proto[i].player.long_descr = fread_string(mob_f, buf2);
mob_proto[i].player.description = fread_string(mob_f, buf2);
GET_TITLE(mob_proto + i) = NULL;
/* *** Numeric data *** */
if (!get_line(mob_f, line)) {
log("SYSERR: Format error after string section of mob #%d\n"
"...expecting line of form '# # # {S | E}', but file ended!", nr);
exit(1);
}
#ifdef CIRCLE_ACORN /* Ugh. */
if (sscanf(line, "%s %s %d %s", f1, f2, t + 2, &letter) != 4) {
#else
if (sscanf(line, "%s %s %d %c", f1, f2, t + 2, &letter) != 4) {
#endif
log("SYSERR: Format error after string section of mob #%d\n"
"...expecting line of form '# # # {S | E}'", nr);
exit(1);
}
MOB_FLAGS(mob_proto + i) = asciiflag_conv(f1);
SET_BIT(MOB_FLAGS(mob_proto + i), MOB_ISNPC);
if (MOB_FLAGGED(mob_proto + i, MOB_NOTDEADYET)) {
/* Rather bad to load mobiles with this bit already set. */
log("SYSERR: Mob #%d has reserved bit MOB_NOTDEADYET set.", nr);
REMOVE_BIT(MOB_FLAGS(mob_proto + i), MOB_NOTDEADYET);
}
check_bitvector_names(MOB_FLAGS(mob_proto + i), action_bits_count, buf2, "mobile");
AFF_FLAGS(mob_proto + i) = asciiflag_conv(f2);
check_bitvector_names(AFF_FLAGS(mob_proto + i), affected_bits_count, buf2, "mobile affect");
GET_ALIGNMENT(mob_proto + i) = t[2];
/* AGGR_TO_ALIGN is ignored if the mob is AGGRESSIVE. */
if (MOB_FLAGGED(mob_proto + i, MOB_AGGRESSIVE) && MOB_FLAGGED(mob_proto + i, MOB_AGGR_GOOD | MOB_AGGR_EVIL | MOB_AGGR_NEUTRAL))
log("SYSERR: Mob #%d both Aggressive and Aggressive_to_Alignment.", nr);
switch (UPPER(letter)) {
case 'S': /* Simple monsters */
parse_simple_mob(mob_f, i, nr);
break;
case 'E': /* Circle3 Enhanced monsters */
parse_enhanced_mob(mob_f, i, nr);
break;
/* add new mob types here.. */
default:
log("SYSERR: Unsupported mob type '%c' in mob #%d", letter, nr);
exit(1);
}
mob_proto[i].aff_abils = mob_proto[i].real_abils;
for (j = 0; j < NUM_WEARS; j++)
mob_proto[i].equipment[j] = NULL;
mob_proto[i].nr = i;
mob_proto[i].desc = NULL;
top_of_mobt = i++;
}
/* read all objects from obj file; generate index and prototypes */
char *parse_object(FILE *obj_f, int nr)
{
static int i = 0;
static char line[READ_SIZE];
int t[10], j, retval;
char *tmpptr;
char f1[READ_SIZE], f2[READ_SIZE], buf2[128];
struct extra_descr_data *new_descr;
obj_index[i].vnum = nr;
obj_index[i].number = 0;
obj_index[i].func = NULL;
clear_object(obj_proto + i);
obj_proto[i].item_number = i;
sprintf(buf2, "object #%d", nr); /* sprintf: OK (for 'buf2 >= 19') */
/* *** string data *** */
if ((obj_proto[i].name = fread_string(obj_f, buf2)) == NULL) {
log("SYSERR: Null obj name or format error at or near %s", buf2);
exit(1);
}
tmpptr = obj_proto[i].short_description = fread_string(obj_f, buf2);
if (tmpptr && *tmpptr)
if (!str_cmp(fname(tmpptr), "a") || !str_cmp(fname(tmpptr), "an") ||
!str_cmp(fname(tmpptr), "the"))
*tmpptr = LOWER(*tmpptr);
tmpptr = obj_proto[i].description = fread_string(obj_f, buf2);
if (tmpptr && *tmpptr)
CAP(tmpptr);
obj_proto[i].action_description = fread_string(obj_f, buf2);
/* *** numeric data *** */
if (!get_line(obj_f, line)) {
log("SYSERR: Expecting first numeric line of %s, but file ended!", buf2);
exit(1);
}
if ((retval = sscanf(line, " %d %s %s", t, f1, f2)) != 3) {
log("SYSERR: Format error in first numeric line (expecting 3 args, got %d), %s", retval, buf2);
exit(1);
}
/* Object flags checked in check_object(). */
GET_OBJ_TYPE(obj_proto + i) = t[0];
GET_OBJ_EXTRA(obj_proto + i) = asciiflag_conv(f1);
GET_OBJ_WEAR(obj_proto + i) = asciiflag_conv(f2);
if (!get_line(obj_f, line)) {
log("SYSERR: Expecting second numeric line of %s, but file ended!", buf2);
exit(1);
}
if ((retval = sscanf(line, "%d %d %d %d", t, t + 1, t + 2, t + 3)) != 4) {
log("SYSERR: Format error in second numeric line (expecting 4 args, got %d), %s", retval, buf2);
exit(1);
}
GET_OBJ_VAL(obj_proto + i, 0) = t[0];
GET_OBJ_VAL(obj_proto + i, 1) = t[1];
GET_OBJ_VAL(obj_proto + i, 2) = t[2];
GET_OBJ_VAL(obj_proto + i, 3) = t[3];
if (!get_line(obj_f, line)) {
log("SYSERR: Expecting third numeric line of %s, but file ended!", buf2);
exit(1);
}
if ((retval = sscanf(line, "%d %d %d", t, t + 1, t + 2)) != 3) {
log("SYSERR: Format error in third numeric line (expecting 3 args, got %d), %s", retval, buf2);
exit(1);
}
GET_OBJ_WEIGHT(obj_proto + i) = t[0];
GET_OBJ_COST(obj_proto + i) = t[1];
GET_OBJ_RENT(obj_proto + i) = t[2];
/* check to make sure that weight of containers exceeds curr. quantity */
if (GET_OBJ_TYPE(obj_proto + i) == ITEM_DRINKCON || GET_OBJ_TYPE(obj_proto + i) == ITEM_FOUNTAIN) {
if (GET_OBJ_WEIGHT(obj_proto + i) < GET_OBJ_VAL(obj_proto + i, 1))
GET_OBJ_WEIGHT(obj_proto + i) = GET_OBJ_VAL(obj_proto + i, 1) + 5;
}
/* *** extra descriptions and affect fields *** */
for (j = 0; j < MAX_OBJ_AFFECT; j++) {
obj_proto[i].affected[j].location = APPLY_NONE;
obj_proto[i].affected[j].modifier = 0;
}
strcat(buf2, ", after numeric constants\n" /* strcat: OK (for 'buf2 >= 87') */
"...expecting 'E', 'A', '$', or next object number");
j = 0;
for (;;) {
if (!get_line(obj_f, line)) {
log("SYSERR: Format error in %s", buf2);
exit(1);
}
switch (*line) {
case 'E':
CREATE(new_descr, struct extra_descr_data, 1);
new_descr->keyword = fread_string(obj_f, buf2);
new_descr->description = fread_string(obj_f, buf2);
new_descr->next = obj_proto[i].ex_description;
obj_proto[i].ex_description = new_descr;
break;
case 'A':
if (j >= MAX_OBJ_AFFECT) {
log("SYSERR: Too many A fields (%d max), %s", MAX_OBJ_AFFECT, buf2);
exit(1);
}
if (!get_line(obj_f, line)) {
log("SYSERR: Format error in 'A' field, %s\n"
"...expecting 2 numeric constants but file ended!", buf2);
exit(1);
}
if ((retval = sscanf(line, " %d %d ", t, t + 1)) != 2) {
log("SYSERR: Format error in 'A' field, %s\n"
"...expecting 2 numeric arguments, got %d\n"
"...offending line: '%s'", buf2, retval, line);
exit(1);
}
obj_proto[i].affected[j].location = t[0];
obj_proto[i].affected[j].modifier = t[1];
j++;
break;
case '$':
case '#':
check_object(obj_proto + i);
top_of_objt = i++;
return (line);
default:
log("SYSERR: Format error in (%c): %s", *line, buf2);
exit(1);
}
}
}
#define Z zone_table[zone]
/* load the zone table and command tables */
void load_zones(FILE *fl, char *zonename)
{
static zone_rnum zone = 0;
int cmd_no, num_of_cmds = 0, line_num = 0, tmp, error;
char *ptr, buf[READ_SIZE], zname[READ_SIZE], buf2[MAX_STRING_LENGTH];
strlcpy(zname, zonename, sizeof(zname));
/* Skip first 3 lines lest we mistake the zone name for a command. */
for (tmp = 0; tmp < 3; tmp++)
get_line(fl, buf);
/* More accurate count. Previous was always 4 or 5 too high. -gg 2001/1/17
* Note that if a new zone command is added to reset_zone(), this string
* will need to be updated to suit. - ae.
*/
while (get_line(fl, buf))
if ((strchr("MOPGERD", buf[0]) && buf[1] == ' ') || (buf[0] == 'S' && buf[1] == '\0'))
num_of_cmds++;
rewind(fl);
if (num_of_cmds == 0) {
log("SYSERR: %s is empty!", zname);
exit(1);
} else
CREATE(Z.cmd, struct reset_com, num_of_cmds);
line_num += get_line(fl, buf);
if (sscanf(buf, "#%hd", &Z.number) != 1) {
log("SYSERR: Format error in %s, line %d", zname, line_num);
exit(1);
}
snprintf(buf2, sizeof(buf2), "beginning of zone #%d", Z.number);
line_num += get_line(fl, buf);
if ((ptr = strchr(buf, '~')) != NULL) /* take off the '~' if it's there */
*ptr = '\0';
Z.name = strdup(buf);
line_num += get_line(fl, buf);
if (sscanf(buf, " %hd %hd %d %d ", &Z.bot, &Z.top, &Z.lifespan, &Z.reset_mode) != 4) {
log("SYSERR: Format error in numeric constant line of %s", zname);
exit(1);
}
if (Z.bot > Z.top) {
log("SYSERR: Zone %d bottom (%d) > top (%d).", Z.number, Z.bot, Z.top);
exit(1);
}
cmd_no = 0;
for (;;) {
if ((tmp = get_line(fl, buf)) == 0) {
log("SYSERR: Format error in %s - premature end of file", zname);
exit(1);
}
line_num += tmp;
ptr = buf;
skip_spaces(&ptr);
if ((ZCMD.command = *ptr) == '*')
continue;
ptr++;
if (ZCMD.command == 'S' || ZCMD.command == '$') {
ZCMD.command = 'S';
break;
}
error = 0;
if (strchr("MOEPD", ZCMD.command) == NULL) { /* a 3-arg command */
if (sscanf(ptr, " %d %d %d ", &tmp, &ZCMD.arg1, &ZCMD.arg2) != 3)
error = 1;
} else {
if (sscanf(ptr, " %d %d %d %d ", &tmp, &ZCMD.arg1, &ZCMD.arg2,
&ZCMD.arg3) != 4)
error = 1;
}
ZCMD.if_flag = tmp;
if (error) {
log("SYSERR: Format error in %s, line %d: '%s'", zname, line_num, buf);
exit(1);
}
ZCMD.line = line_num;
cmd_no++;
}
if (num_of_cmds != cmd_no + 1) {
log("SYSERR: Zone command count mismatch for %s. Estimated: %d, Actual: %d", zname, num_of_cmds, cmd_no + 1);
exit(1);
}
top_of_zone_table = zone++;
}
#undef Z
void get_one_line(FILE *fl, char *buf)
{
if (fgets(buf, READ_SIZE, fl) == NULL) {
log("SYSERR: error reading help file: not terminated with $?");
exit(1);
}
buf[strlen(buf) - 1] = '\0'; /* take off the trailing \n */
}
void free_help(void)
{
int hp;
if (!help_table)
return;
for (hp = 0; hp <= top_of_helpt; hp++) {
if (help_table[hp].keyword)
free(help_table[hp].keyword);
if (help_table[hp].entry && !help_table[hp].duplicate)
free(help_table[hp].entry);
}
free(help_table);
help_table = NULL;
top_of_helpt = 0;
}
void load_help(FILE *fl)
{
#if defined(CIRCLE_MACINTOSH)
static char key[READ_SIZE + 1], next_key[READ_SIZE + 1], entry[32384]; /* too big for stack? */
#else
char key[READ_SIZE + 1], next_key[READ_SIZE + 1], entry[32384];
#endif
size_t entrylen;
char line[READ_SIZE + 1], *scan;
struct help_index_element el;
/* get the first keyword line */
get_one_line(fl, key);
while (*key != '$') {
strcat(key, "\r\n"); /* strcat: OK (READ_SIZE - "\n" + "\r\n" == READ_SIZE + 1) */
entrylen = strlcpy(entry, key, sizeof(entry));
/* read in the corresponding help entry */
get_one_line(fl, line);
while (*line != '#' && entrylen < sizeof(entry) - 1) {
entrylen += strlcpy(entry + entrylen, line, sizeof(entry) - entrylen);
if (entrylen + 2 < sizeof(entry) - 1) {
strcpy(entry + entrylen, "\r\n"); /* strcpy: OK (size checked above) */
entrylen += 2;
}
get_one_line(fl, line);
}
if (entrylen >= sizeof(entry) - 1) {
int keysize;
const char *truncmsg = "\r\n*TRUNCATED*\r\n";
strcpy(entry + sizeof(entry) - strlen(truncmsg) - 1, truncmsg); /* strcpy: OK (assuming sane 'entry' size) */
keysize = strlen(key) - 2;
log("SYSERR: Help entry exceeded buffer space: %.*s", keysize, key);
/* If we ran out of buffer space, eat the rest of the entry. */
while (*line != '#')
get_one_line(fl, line);
}
/* now, add the entry to the index with each keyword on the keyword line */
el.duplicate = 0;
el.entry = strdup(entry);
scan = one_word(key, next_key);
while (*next_key) {
el.keyword = strdup(next_key);
help_table[top_of_helpt++] = el;
el.duplicate++;
scan = one_word(scan, next_key);
}
/* get next keyword line (or $) */
get_one_line(fl, key);
}
}
int hsort(const void *a, const void *b)
{
const struct help_index_element *a1, *b1;
a1 = (const struct help_index_element *) a;
b1 = (const struct help_index_element *) b;
return (str_cmp(a1->keyword, b1->keyword));
}
/*************************************************************************
* procedures for resetting, both play-time and boot-time *
*************************************************************************/
int vnum_mobile(char *searchname, struct char_data *ch)
{
int nr, found = 0;
for (nr = 0; nr <= top_of_mobt; nr++)
if (isname(searchname, mob_proto[nr].player.name))
send_to_char(ch, "%3d. [%5d] %s\r\n", ++found, mob_index[nr].vnum, mob_proto[nr].player.short_descr);
return (found);
}
int vnum_object(char *searchname, struct char_data *ch)
{
int nr, found = 0;
for (nr = 0; nr <= top_of_objt; nr++)
if (isname(searchname, obj_proto[nr].name))
send_to_char(ch, "%3d. [%5d] %s\r\n", ++found, obj_index[nr].vnum, obj_proto[nr].short_description);
return (found);
}
/* create a character, and add it to the char list */
struct char_data *create_char(void)
{
struct char_data *ch;
CREATE(ch, struct char_data, 1);
clear_char(ch);
ch->next = character_list;
character_list = ch;
return (ch);
}
/* create a new mobile from a prototype */
struct char_data *read_mobile(mob_vnum nr, int type) /* and mob_rnum */
{
mob_rnum i;
struct char_data *mob;
if (type == VIRTUAL) {
if ((i = real_mobile(nr)) == NOBODY) {
log("WARNING: Mobile vnum %d does not exist in database.", nr);
return (NULL);
}
} else
i = nr;
CREATE(mob, struct char_data, 1);
clear_char(mob);
*mob = mob_proto[i];
mob->next = character_list;
character_list = mob;
if (!mob->points.max_hit) {
mob->points.max_hit = dice(mob->points.hit, mob->points.mana) +
mob->points.move;
} else
mob->points.max_hit = rand_number(mob->points.hit, mob->points.mana);
mob->points.hit = mob->points.max_hit;
mob->points.mana = mob->points.max_mana;
mob->points.move = mob->points.max_move;
mob->player.time.birth = time(0);
mob->player.time.played = 0;
mob->player.time.logon = time(0);
mob_index[i].number++;
return (mob);
}
/* create an object, and add it to the object list */
struct obj_data *create_obj(void)
{
struct obj_data *obj;
CREATE(obj, struct obj_data, 1);
clear_object(obj);
obj->next = object_list;
object_list = obj;
return (obj);
}
/* create a new object from a prototype */
struct obj_data *read_object(obj_vnum nr, int type) /* and obj_rnum */
{
struct obj_data *obj;
obj_rnum i = type == VIRTUAL ? real_object(nr) : nr;
if (i == NOTHING || i > top_of_objt) {
log("Object (%c) %d does not exist in database.", type == VIRTUAL ? 'V' : 'R', nr);
return (NULL);
}
CREATE(obj, struct obj_data, 1);
clear_object(obj);
*obj = obj_proto[i];
obj->next = object_list;
object_list = obj;
obj_index[i].number++;
return (obj);
}
#define ZO_DEAD 999
/* update zone ages, queue for reset if necessary, and dequeue when possible */
void zone_update(void)
{
int i;
struct reset_q_element *update_u, *temp;
static int timer = 0;
/* jelson 10/22/92 */
if (((++timer * PULSE_ZONE) / PASSES_PER_SEC) >= 60) {
/* one minute has passed */
/*
* NOT accurate unless PULSE_ZONE is a multiple of PASSES_PER_SEC or a
* factor of 60
*/
timer = 0;
/* since one minute has passed, increment zone ages */
for (i = 0; i <= top_of_zone_table; i++) {
if (zone_table[i].age < zone_table[i].lifespan &&
zone_table[i].reset_mode)
(zone_table[i].age)++;
if (zone_table[i].age >= zone_table[i].lifespan &&
zone_table[i].age < ZO_DEAD && zone_table[i].reset_mode) {
/* enqueue zone */
CREATE(update_u, struct reset_q_element, 1);
update_u->zone_to_reset = i;
update_u->next = 0;
if (!reset_q.head)
reset_q.head = reset_q.tail = update_u;
else {
reset_q.tail->next = update_u;
reset_q.tail = update_u;
}
zone_table[i].age = ZO_DEAD;
}
}
} /* end - one minute has passed */
/* dequeue zones (if possible) and reset */
/* this code is executed every 10 seconds (i.e. PULSE_ZONE) */
for (update_u = reset_q.head; update_u; update_u = update_u->next)
if (zone_table[update_u->zone_to_reset].reset_mode == 2 ||
is_empty(update_u->zone_to_reset)) {
reset_zone(update_u->zone_to_reset);
mudlog(CMP, LVL_GOD, FALSE, "Auto zone reset: %s", zone_table[update_u->zone_to_reset].name);
/* dequeue */
if (update_u == reset_q.head)
reset_q.head = reset_q.head->next;
else {
for (temp = reset_q.head; temp->next != update_u;
temp = temp->next);
if (!update_u->next)
reset_q.tail = temp;
temp->next = update_u->next;
}
free(update_u);
break;
}
}
void log_zone_error(zone_rnum zone, int cmd_no, const char *message)
{
mudlog(NRM, LVL_GOD, TRUE, "SYSERR: zone file: %s", message);
mudlog(NRM, LVL_GOD, TRUE, "SYSERR: ...offending cmd: '%c' cmd in zone #%d, line %d",
ZCMD.command, zone_table[zone].number, ZCMD.line);
}
#define ZONE_ERROR(message) \
{ log_zone_error(zone, cmd_no, message); last_cmd = 0; }
/* execute the reset command table of a given zone */
void reset_zone(zone_rnum zone)
{
int cmd_no, last_cmd = 0;
struct char_data *mob = NULL;
struct obj_data *obj, *obj_to;
for (cmd_no = 0; ZCMD.command != 'S'; cmd_no++) {
if (ZCMD.if_flag && !last_cmd)
continue;
/* This is the list of actual zone commands. If any new
* zone commands are added to the game, be certain to update
* the list of commands in load_zone() so that the counting
* will still be correct. - ae.
*/
switch (ZCMD.command) {
case '*': /* ignore command */
last_cmd = 0;
break;
case 'M': /* read a mobile */
if (mob_index[ZCMD.arg1].number < ZCMD.arg2) {
mob = read_mobile(ZCMD.arg1, REAL);
char_to_room(mob, ZCMD.arg3);
last_cmd = 1;
} else
last_cmd = 0;
break;
case 'O': /* read an object */
if (obj_index[ZCMD.arg1].number < ZCMD.arg2) {
if (ZCMD.arg3 != NOWHERE) {
obj = read_object(ZCMD.arg1, REAL);
obj_to_room(obj, ZCMD.arg3);
last_cmd = 1;
} else {
obj = read_object(ZCMD.arg1, REAL);
IN_ROOM(obj) = NOWHERE;
last_cmd = 1;
}
} else
last_cmd = 0;
break;
case 'P': /* object to object */
if (obj_index[ZCMD.arg1].number < ZCMD.arg2) {
obj = read_object(ZCMD.arg1, REAL);
if (!(obj_to = get_obj_num(ZCMD.arg3))) {
ZONE_ERROR("target obj not found, command disabled");
ZCMD.command = '*';
break;
}
obj_to_obj(obj, obj_to);
last_cmd = 1;
} else
last_cmd = 0;
break;
case 'G': /* obj_to_char */
if (!mob) {
ZONE_ERROR("attempt to give obj to non-existant mob, command disabled");
ZCMD.command = '*';
break;
}
if (obj_index[ZCMD.arg1].number < ZCMD.arg2) {
obj = read_object(ZCMD.arg1, REAL);
obj_to_char(obj, mob);
last_cmd = 1;
} else
last_cmd = 0;
break;
case 'E': /* object to equipment list */
if (!mob) {
ZONE_ERROR("trying to equip non-existant mob, command disabled");
ZCMD.command = '*';
break;
}
if (obj_index[ZCMD.arg1].number < ZCMD.arg2) {
if (ZCMD.arg3 < 0 || ZCMD.arg3 >= NUM_WEARS) {
ZONE_ERROR("invalid equipment pos number");
} else {
obj = read_object(ZCMD.arg1, REAL);
equip_char(mob, obj, ZCMD.arg3);
last_cmd = 1;
}
} else
last_cmd = 0;
break;
case 'R': /* rem obj from room */
if ((obj = get_obj_in_list_num(ZCMD.arg2, world[ZCMD.arg1].contents)) != NULL)
extract_obj(obj);
last_cmd = 1;
break;
case 'D': /* set state of door */
if (ZCMD.arg2 < 0 || ZCMD.arg2 >= NUM_OF_DIRS ||
(world[ZCMD.arg1].dir_option[ZCMD.arg2] == NULL)) {
ZONE_ERROR("door does not exist, command disabled");
ZCMD.command = '*';
} else
switch (ZCMD.arg3) {
case 0:
REMOVE_BIT(world[ZCMD.arg1].dir_option[ZCMD.arg2]->exit_info,
EX_LOCKED);
REMOVE_BIT(world[ZCMD.arg1].dir_option[ZCMD.arg2]->exit_info,
EX_CLOSED);
break;
case 1:
SET_BIT(world[ZCMD.arg1].dir_option[ZCMD.arg2]->exit_info,
EX_CLOSED);
REMOVE_BIT(world[ZCMD.arg1].dir_option[ZCMD.arg2]->exit_info,
EX_LOCKED);
break;
case 2:
SET_BIT(world[ZCMD.arg1].dir_option[ZCMD.arg2]->exit_info,
EX_LOCKED);
SET_BIT(world[ZCMD.arg1].dir_option[ZCMD.arg2]->exit_info,
EX_CLOSED);
break;
}
last_cmd = 1;
break;
default:
ZONE_ERROR("unknown cmd in reset table; cmd disabled");
ZCMD.command = '*';
break;
}
}
zone_table[zone].age = 0;
}
/* for use in reset_zone; return TRUE if zone 'nr' is free of PC's */
int is_empty(zone_rnum zone_nr)
{
struct descriptor_data *i;
for (i = descriptor_list; i; i = i->next) {
if (STATE(i) != CON_PLAYING)
continue;
if (IN_ROOM(i->character) == NOWHERE)
continue;
if (GET_LEVEL(i->character) >= LVL_IMMORT)
continue;
if (world[IN_ROOM(i->character)].zone != zone_nr)
continue;
return (0);
}
return (1);
}
/*************************************************************************
* stuff related to the save/load player system *
*************************************************************************/
long get_ptable_by_name(const char *name)
{
int i;
for (i = 0; i <= top_of_p_table; i++)
if (!str_cmp(player_table[i].name, name))
return (i);
return (-1);
}
long get_id_by_name(const char *name)
{
int i;
for (i = 0; i <= top_of_p_table; i++)
if (!str_cmp(player_table[i].name, name))
return (player_table[i].id);
return (-1);
}
char *get_name_by_id(long id)
{
int i;
for (i = 0; i <= top_of_p_table; i++)
if (player_table[i].id == id)
return (player_table[i].name);
return (NULL);
}
/* Load a char, TRUE if loaded, FALSE if not */
int load_char(const char *name, struct char_file_u *char_element)
{
int player_i;
if ((player_i = get_ptable_by_name(name)) >= 0) {
fseek(player_fl, player_i * sizeof(struct char_file_u), SEEK_SET);
fread(char_element, sizeof(struct char_file_u), 1, player_fl);
return (player_i);
} else
return (-1);
}
/*
* write the vital data of a player to the player file
*
* And that's it! No more fudging around with the load room.
* Unfortunately, 'host' modifying is still here due to lack
* of that variable in the char_data structure.
*/
void save_char(struct char_data *ch)
{
struct char_file_u st;
if (IS_NPC(ch) || !ch->desc || GET_PFILEPOS(ch) < 0)
return;
char_to_store(ch, &st);
strncpy(st.host, ch->desc->host, HOST_LENGTH); /* strncpy: OK (s.host:HOST_LENGTH+1) */
st.host[HOST_LENGTH] = '\0';
fseek(player_fl, GET_PFILEPOS(ch) * sizeof(struct char_file_u), SEEK_SET);
fwrite(&st, sizeof(struct char_file_u), 1, player_fl);
}
/* copy data from the file structure to a char struct */
void store_to_char(struct char_file_u *st, struct char_data *ch)
{
int i;
/* to save memory, only PC's -- not MOB's -- have player_specials */
if (ch->player_specials == NULL)
CREATE(ch->player_specials, struct player_special_data, 1);
GET_SEX(ch) = st->sex;
GET_CLASS(ch) = st->chclass;
GET_LEVEL(ch) = st->level;
ch->player.short_descr = NULL;
ch->player.long_descr = NULL;
ch->player.title = strdup(st->title);
ch->player.description = strdup(st->description);
ch->player.hometown = st->hometown;
ch->player.time.birth = st->birth;
ch->player.time.played = st->played;
ch->player.time.logon = time(0);
ch->player.weight = st->weight;
ch->player.height = st->height;
ch->real_abils = st->abilities;
ch->aff_abils = st->abilities;
ch->points = st->points;
ch->char_specials.saved = st->char_specials_saved;
ch->player_specials->saved = st->player_specials_saved;
POOFIN(ch) = NULL;
POOFOUT(ch) = NULL;
GET_LAST_TELL(ch) = NOBODY;
if (ch->points.max_mana < 100)
ch->points.max_mana = 100;
ch->char_specials.carry_weight = 0;
ch->char_specials.carry_items = 0;
ch->points.armor = 100;
ch->points.hitroll = 0;
ch->points.damroll = 0;
if (ch->player.name)
free(ch->player.name);
ch->player.name = strdup(st->name);
strlcpy(ch->player.passwd, st->pwd, sizeof(ch->player.passwd));
/* Add all spell effects */
for (i = 0; i < MAX_AFFECT; i++) {
if (st->affected[i].type)
affect_to_char(ch, &st->affected[i]);
}
/*
* If you're not poisioned and you've been away for more than an hour of
* real time, we'll set your HMV back to full
*/
if (!AFF_FLAGGED(ch, AFF_POISON) &&
time(0) - st->last_logon >= SECS_PER_REAL_HOUR) {
GET_HIT(ch) = GET_MAX_HIT(ch);
GET_MOVE(ch) = GET_MAX_MOVE(ch);
GET_MANA(ch) = GET_MAX_MANA(ch);
}
} /* store_to_char */
/* copy vital data from a players char-structure to the file structure */
void char_to_store(struct char_data *ch, struct char_file_u *st)
{
int i;
struct affected_type *af;
struct obj_data *char_eq[NUM_WEARS];
/* Unaffect everything a character can be affected by */
for (i = 0; i < NUM_WEARS; i++) {
if (GET_EQ(ch, i))
char_eq[i] = unequip_char(ch, i);
else
char_eq[i] = NULL;
}
for (af = ch->affected, i = 0; i < MAX_AFFECT; i++) {
if (af) {
st->affected[i] = *af;
st->affected[i].next = 0;
af = af->next;
} else {
st->affected[i].type = 0; /* Zero signifies not used */
st->affected[i].duration = 0;
st->affected[i].modifier = 0;
st->affected[i].location = 0;
st->affected[i].bitvector = 0;
st->affected[i].next = 0;
}
}
/*
* remove the affections so that the raw values are stored; otherwise the
* effects are doubled when the char logs back in.
*/
while (ch->affected)
affect_remove(ch, ch->affected);
if ((i >= MAX_AFFECT) && af && af->next)
log("SYSERR: WARNING: OUT OF STORE ROOM FOR AFFECTED TYPES!!!");
ch->aff_abils = ch->real_abils;
st->birth = ch->player.time.birth;
st->played = ch->player.time.played;
st->played += time(0) - ch->player.time.logon;
st->last_logon = time(0);
ch->player.time.played = st->played;
ch->player.time.logon = time(0);
st->hometown = ch->player.hometown;
st->weight = GET_WEIGHT(ch);
st->height = GET_HEIGHT(ch);
st->sex = GET_SEX(ch);
st->chclass = GET_CLASS(ch);
st->level = GET_LEVEL(ch);
st->abilities = ch->real_abils;
st->points = ch->points;
st->char_specials_saved = ch->char_specials.saved;
st->player_specials_saved = ch->player_specials->saved;
st->points.armor = 100;
st->points.hitroll = 0;
st->points.damroll = 0;
if (GET_TITLE(ch))
strlcpy(st->title, GET_TITLE(ch), MAX_TITLE_LENGTH);
else
*st->title = '\0';
if (ch->player.description) {
if (strlen(ch->player.description) >= sizeof(st->description)) {
log("SYSERR: char_to_store: %s's description length: %d, max: %d! "
"Truncated.", GET_PC_NAME(ch), strlen(ch->player.description),
sizeof(st->description));
ch->player.description[sizeof(st->description) - 3] = '\0';
strcat(ch->player.description, "\r\n"); /* strcat: OK (previous line makes room) */
}
strcpy(st->description, ch->player.description); /* strcpy: OK (checked above) */
} else
*st->description = '\0';
strcpy(st->name, GET_NAME(ch)); /* strcpy: OK (that's what GET_NAME came from) */
strcpy(st->pwd, GET_PASSWD(ch)); /* strcpy: OK (that's what GET_PASSWD came from) */
/* add spell and eq affections back in now */
for (i = 0; i < MAX_AFFECT; i++) {
if (st->affected[i].type)
affect_to_char(ch, &st->affected[i]);
}
for (i = 0; i < NUM_WEARS; i++) {
if (char_eq[i])
equip_char(ch, char_eq[i], i);
}
/* affect_total(ch); unnecessary, I think !?! */
} /* Char to store */
void save_etext(struct char_data *ch)
{
/* this will be really cool soon */
}
/*
* Create a new entry in the in-memory index table for the player file.
* If the name already exists, by overwriting a deleted character, then
* we re-use the old position.
*/
int create_entry(char *name)
{
int i, pos;
if (top_of_p_table == -1) { /* no table */
CREATE(player_table, struct player_index_element, 1);
pos = top_of_p_table = 0;
} else if ((pos = get_ptable_by_name(name)) == -1) { /* new name */
i = ++top_of_p_table + 1;
RECREATE(player_table, struct player_index_element, i);
pos = top_of_p_table;
}
CREATE(player_table[pos].name, char, strlen(name) + 1);
/* copy lowercase equivalent of name to table field */
for (i = 0; (player_table[pos].name[i] = LOWER(name[i])); i++)
/* Nothing */;
return (pos);
}
/************************************************************************
* funcs of a (more or less) general utility nature *
************************************************************************/
/* read and allocate space for a '~'-terminated string from a given file */
char *fread_string(FILE *fl, const char *error)
{
char buf[MAX_STRING_LENGTH], tmp[513];
char *point;
int done = 0, length = 0, templength;
*buf = '\0';
do {
if (!fgets(tmp, 512, fl)) {
log("SYSERR: fread_string: format error at or near %s", error);
exit(1);
}
/* If there is a '~', end the string; else put an "\r\n" over the '\n'. */
if ((point = strchr(tmp, '~')) != NULL) {
*point = '\0';
done = 1;
} else {
point = tmp + strlen(tmp) - 1;
*(point++) = '\r';
*(point++) = '\n';
*point = '\0';
}
templength = strlen(tmp);
if (length + templength >= MAX_STRING_LENGTH) {
log("SYSERR: fread_string: string too large (db.c)");
log("%s", error);
exit(1);
} else {
strcat(buf + length, tmp); /* strcat: OK (size checked above) */
length += templength;
}
} while (!done);
/* allocate space for the new string and copy it */
return (strlen(buf) ? strdup(buf) : NULL);
}
/* release memory allocated for a char struct */
void free_char(struct char_data *ch)
{
int i;
struct alias_data *a;
if (ch->player_specials != NULL && ch->player_specials != &dummy_mob) {
while ((a = GET_ALIASES(ch)) != NULL) {
GET_ALIASES(ch) = (GET_ALIASES(ch))->next;
free_alias(a);
}
if (ch->player_specials->poofin)
free(ch->player_specials->poofin);
if (ch->player_specials->poofout)
free(ch->player_specials->poofout);
free(ch->player_specials);
if (IS_NPC(ch))
log("SYSERR: Mob %s (#%d) had player_specials allocated!", GET_NAME(ch), GET_MOB_VNUM(ch));
}
if (!IS_NPC(ch) || (IS_NPC(ch) && GET_MOB_RNUM(ch) == NOBODY)) {
/* if this is a player, or a non-prototyped non-player, free all */
if (GET_NAME(ch))
free(GET_NAME(ch));
if (ch->player.title)
free(ch->player.title);
if (ch->player.short_descr)
free(ch->player.short_descr);
if (ch->player.long_descr)
free(ch->player.long_descr);
if (ch->player.description)
free(ch->player.description);
} else if ((i = GET_MOB_RNUM(ch)) != NOBODY) {
/* otherwise, free strings only if the string is not pointing at proto */
if (ch->player.name && ch->player.name != mob_proto[i].player.name)
free(ch->player.name);
if (ch->player.title && ch->player.title != mob_proto[i].player.title)
free(ch->player.title);
if (ch->player.short_descr && ch->player.short_descr != mob_proto[i].player.short_descr)
free(ch->player.short_descr);
if (ch->player.long_descr && ch->player.long_descr != mob_proto[i].player.long_descr)
free(ch->player.long_descr);
if (ch->player.description && ch->player.description != mob_proto[i].player.description)
free(ch->player.description);
}
while (ch->affected)
affect_remove(ch, ch->affected);
if (ch->desc)
ch->desc->character = NULL;
free(ch);
}
/* release memory allocated for an obj struct */
void free_obj(struct obj_data *obj)
{
int nr;
if ((nr = GET_OBJ_RNUM(obj)) == NOTHING) {
if (obj->name)
free(obj->name);
if (obj->description)
free(obj->description);
if (obj->short_description)
free(obj->short_description);
if (obj->action_description)
free(obj->action_description);
if (obj->ex_description)
free_extra_descriptions(obj->ex_description);
} else {
if (obj->name && obj->name != obj_proto[nr].name)
free(obj->name);
if (obj->description && obj->description != obj_proto[nr].description)
free(obj->description);
if (obj->short_description && obj->short_description != obj_proto[nr].short_description)
free(obj->short_description);
if (obj->action_description && obj->action_description != obj_proto[nr].action_description)
free(obj->action_description);
if (obj->ex_description && obj->ex_description != obj_proto[nr].ex_description)
free_extra_descriptions(obj->ex_description);
}
free(obj);
}
/*
* Steps:
* 1: Read contents of a text file.
* 2: Make sure no one is using the pointer in paging.
* 3: Allocate space.
* 4: Point 'buf' to it.
*
* We don't want to free() the string that someone may be
* viewing in the pager. page_string() keeps the internal
* strdup()'d copy on ->showstr_head and it won't care
* if we delete the original. Otherwise, strings are kept
* on ->showstr_vector but we'll only match if the pointer
* is to the string we're interested in and not a copy.
*
* If someone is reading a global copy we're trying to
* replace, give everybody using it a different copy so
* as to avoid special cases.
*/
int file_to_string_alloc(const char *name, char **buf)
{
int temppage;
char temp[MAX_STRING_LENGTH];
struct descriptor_data *in_use;
for (in_use = descriptor_list; in_use; in_use = in_use->next)
if (in_use->showstr_vector && *in_use->showstr_vector == *buf)
return (-1);
/* Lets not free() what used to be there unless we succeeded. */
if (file_to_string(name, temp) < 0)
return (-1);
for (in_use = descriptor_list; in_use; in_use = in_use->next) {
if (!in_use->showstr_count || *in_use->showstr_vector != *buf)
continue;
/* Let's be nice and leave them at the page they were on. */
temppage = in_use->showstr_page;
paginate_string((in_use->showstr_head = strdup(*in_use->showstr_vector)), in_use);
in_use->showstr_page = temppage;
}
if (*buf)
free(*buf);
*buf = strdup(temp);
return (0);
}
/* read contents of a text file, and place in buf */
int file_to_string(const char *name, char *buf)
{
FILE *fl;
char tmp[READ_SIZE + 3];
int len;
*buf = '\0';
if (!(fl = fopen(name, "r"))) {
log("SYSERR: reading %s: %s", name, strerror(errno));
return (-1);
}
for (;;) {
if (!fgets(tmp, READ_SIZE, fl)) /* EOF check */
break;
if ((len = strlen(tmp)) > 0)
tmp[len - 1] = '\0'; /* take off the trailing \n */
strcat(tmp, "\r\n"); /* strcat: OK (tmp:READ_SIZE+3) */
if (strlen(buf) + strlen(tmp) + 1 > MAX_STRING_LENGTH) {
log("SYSERR: %s: string too big (%d max)", name, MAX_STRING_LENGTH);
*buf = '\0';
fclose(fl);
return (-1);
}
strcat(buf, tmp); /* strcat: OK (size checked above) */
}
fclose(fl);
return (0);
}
/* clear some of the the working variables of a char */
void reset_char(struct char_data *ch)
{
int i;
for (i = 0; i < NUM_WEARS; i++)
GET_EQ(ch, i) = NULL;
ch->followers = NULL;
ch->master = NULL;
IN_ROOM(ch) = NOWHERE;
ch->carrying = NULL;
ch->next = NULL;
ch->next_fighting = NULL;
ch->next_in_room = NULL;
FIGHTING(ch) = NULL;
ch->char_specials.position = POS_STANDING;
ch->mob_specials.default_pos = POS_STANDING;
ch->char_specials.carry_weight = 0;
ch->char_specials.carry_items = 0;
if (GET_HIT(ch) <= 0)
GET_HIT(ch) = 1;
if (GET_MOVE(ch) <= 0)
GET_MOVE(ch) = 1;
if (GET_MANA(ch) <= 0)
GET_MANA(ch) = 1;
GET_LAST_TELL(ch) = NOBODY;
}
/* clear ALL the working variables of a char; do NOT free any space alloc'ed */
void clear_char(struct char_data *ch)
{
memset((char *) ch, 0, sizeof(struct char_data));
IN_ROOM(ch) = NOWHERE;
GET_PFILEPOS(ch) = -1;
GET_MOB_RNUM(ch) = NOBODY;
GET_WAS_IN(ch) = NOWHERE;
GET_POS(ch) = POS_STANDING;
ch->mob_specials.default_pos = POS_STANDING;
GET_AC(ch) = 100; /* Basic Armor */
if (ch->points.max_mana < 100)
ch->points.max_mana = 100;
}
void clear_object(struct obj_data *obj)
{
memset((char *) obj, 0, sizeof(struct obj_data));
obj->item_number = NOTHING;
IN_ROOM(obj) = NOWHERE;
obj->worn_on = NOWHERE;
}
/*
* Called during character creation after picking character class
* (and then never again for that character).
*/
void init_char(struct char_data *ch)
{
int i;
/* create a player_special structure */
if (ch->player_specials == NULL)
CREATE(ch->player_specials, struct player_special_data, 1);
/* *** if this is our first player --- he be God *** */
if (top_of_p_table == 0) {
GET_LEVEL(ch) = LVL_IMPL;
GET_EXP(ch) = 7000000;
/* The implementor never goes through do_start(). */
GET_MAX_HIT(ch) = 500;
GET_MAX_MANA(ch) = 100;
GET_MAX_MOVE(ch) = 82;
GET_HIT(ch) = GET_MAX_HIT(ch);
GET_MANA(ch) = GET_MAX_MANA(ch);
GET_MOVE(ch) = GET_MAX_MOVE(ch);
}
set_title(ch, NULL);
ch->player.short_descr = NULL;
ch->player.long_descr = NULL;
ch->player.description = NULL;
ch->player.time.birth = time(0);
ch->player.time.logon = time(0);
ch->player.time.played = 0;
GET_HOME(ch) = 1;
GET_AC(ch) = 100;
for (i = 0; i < MAX_TONGUE; i++)
GET_TALK(ch, i) = 0;
/*
* make favors for sex -- or in English, we bias the height and weight of the
* character depending on what gender they've chosen for themselves. While it
* is possible to have a tall, heavy female it's not as likely as a male.
*
* Height is in centimeters. Weight is in pounds. The only place they're
* ever printed (in stock code) is SPELL_IDENTIFY.
*/
if (GET_SEX(ch) == SEX_MALE) {
GET_WEIGHT(ch) = rand_number(120, 180);
GET_HEIGHT(ch) = rand_number(160, 200); /* 5'4" - 6'8" */
} else {
GET_WEIGHT(ch) = rand_number(100, 160);
GET_HEIGHT(ch) = rand_number(150, 180); /* 5'0" - 6'0" */
}
if ((i = get_ptable_by_name(GET_NAME(ch))) != -1)
player_table[i].id = GET_IDNUM(ch) = ++top_idnum;
else
log("SYSERR: init_char: Character '%s' not found in player table.", GET_NAME(ch));
for (i = 1; i <= MAX_SKILLS; i++) {
if (GET_LEVEL(ch) < LVL_IMPL)
SET_SKILL(ch, i, 0);
else
SET_SKILL(ch, i, 100);
}
AFF_FLAGS(ch) = 0;
for (i = 0; i < 5; i++)
GET_SAVE(ch, i) = 0;
ch->real_abils.intel = 25;
ch->real_abils.wis = 25;
ch->real_abils.dex = 25;
ch->real_abils.str = 25;
ch->real_abils.str_add = 100;
ch->real_abils.con = 25;
ch->real_abils.cha = 25;
for (i = 0; i < 3; i++)
GET_COND(ch, i) = (GET_LEVEL(ch) == LVL_IMPL ? -1 : 24);
GET_LOADROOM(ch) = NOWHERE;
}
/* returns the real number of the room with given virtual number */
room_rnum real_room(room_vnum vnum)
{
room_rnum bot, top, mid;
bot = 0;
top = top_of_world;
/* perform binary search on world-table */
for (;;) {
mid = (bot + top) / 2;
if ((world + mid)->number == vnum)
return (mid);
if (bot >= top)
return (NOWHERE);
if ((world + mid)->number > vnum)
top = mid - 1;
else
bot = mid + 1;
}
}
/* returns the real number of the monster with given virtual number */
mob_rnum real_mobile(mob_vnum vnum)
{
mob_rnum bot, top, mid;
bot = 0;
top = top_of_mobt;
/* perform binary search on mob-table */
for (;;) {
mid = (bot + top) / 2;
if ((mob_index + mid)->vnum == vnum)
return (mid);
if (bot >= top)
return (NOBODY);
if ((mob_index + mid)->vnum > vnum)
top = mid - 1;
else
bot = mid + 1;
}
}
/* returns the real number of the object with given virtual number */
obj_rnum real_object(obj_vnum vnum)
{
obj_rnum bot, top, mid;
bot = 0;
top = top_of_objt;
/* perform binary search on obj-table */
for (;;) {
mid = (bot + top) / 2;
if ((obj_index + mid)->vnum == vnum)
return (mid);
if (bot >= top)
return (NOTHING);
if ((obj_index + mid)->vnum > vnum)
top = mid - 1;
else
bot = mid + 1;
}
}
/* returns the real number of the zone with given virtual number */
room_rnum real_zone(room_vnum vnum)
{
room_rnum bot, top, mid;
bot = 0;
top = top_of_zone_table;
/* perform binary search on zone-table */
for (;;) {
mid = (bot + top) / 2;
if ((zone_table + mid)->number == vnum)
return (mid);
if (bot >= top)
return (NOWHERE);
if ((zone_table + mid)->number > vnum)
top = mid - 1;
else
bot = mid + 1;
}
}
/*
* Extend later to include more checks.
*
* TODO: Add checks for unknown bitvectors.
*/
int check_object(struct obj_data *obj)
{
char objname[MAX_INPUT_LENGTH + 32];
int error = FALSE;
if (GET_OBJ_WEIGHT(obj) < 0 && (error = TRUE))
log("SYSERR: Object #%d (%s) has negative weight (%d).",
GET_OBJ_VNUM(obj), obj->short_description, GET_OBJ_WEIGHT(obj));
if (GET_OBJ_RENT(obj) < 0 && (error = TRUE))
log("SYSERR: Object #%d (%s) has negative cost/day (%d).",
GET_OBJ_VNUM(obj), obj->short_description, GET_OBJ_RENT(obj));
snprintf(objname, sizeof(objname), "Object #%d (%s)", GET_OBJ_VNUM(obj), obj->short_description);
error |= check_bitvector_names(GET_OBJ_WEAR(obj), wear_bits_count, objname, "object wear");
error |= check_bitvector_names(GET_OBJ_EXTRA(obj), extra_bits_count, objname, "object extra");
error |= check_bitvector_names(GET_OBJ_AFFECT(obj), affected_bits_count, objname, "object affect");
switch (GET_OBJ_TYPE(obj)) {
case ITEM_DRINKCON:
{
char onealias[MAX_INPUT_LENGTH], *space = strrchr(obj->name, ' ');
strlcpy(onealias, space ? space + 1 : obj->name, sizeof(onealias));
if (search_block(onealias, drinknames, TRUE) < 0 && (error = TRUE))
log("SYSERR: Object #%d (%s) doesn't have drink type as last alias. (%s)",
GET_OBJ_VNUM(obj), obj->short_description, obj->name);
}
/* Fall through. */
case ITEM_FOUNTAIN:
if (GET_OBJ_VAL(obj, 1) > GET_OBJ_VAL(obj, 0) && (error = TRUE))
log("SYSERR: Object #%d (%s) contains (%d) more than maximum (%d).",
GET_OBJ_VNUM(obj), obj->short_description,
GET_OBJ_VAL(obj, 1), GET_OBJ_VAL(obj, 0));
break;
case ITEM_SCROLL:
case ITEM_POTION:
error |= check_object_level(obj, 0);
error |= check_object_spell_number(obj, 1);
error |= check_object_spell_number(obj, 2);
error |= check_object_spell_number(obj, 3);
break;
case ITEM_WAND:
case ITEM_STAFF:
error |= check_object_level(obj, 0);
error |= check_object_spell_number(obj, 3);
if (GET_OBJ_VAL(obj, 2) > GET_OBJ_VAL(obj, 1) && (error = TRUE))
log("SYSERR: Object #%d (%s) has more charges (%d) than maximum (%d).",
GET_OBJ_VNUM(obj), obj->short_description,
GET_OBJ_VAL(obj, 2), GET_OBJ_VAL(obj, 1));
break;
}
return (error);
}
int check_object_spell_number(struct obj_data *obj, int val)
{
int error = FALSE;
const char *spellname;
if (GET_OBJ_VAL(obj, val) == -1) /* i.e.: no spell */
return (error);
/*
* Check for negative spells, spells beyond the top define, and any
* spell which is actually a skill.
*/
if (GET_OBJ_VAL(obj, val) < 0)
error = TRUE;
if (GET_OBJ_VAL(obj, val) > TOP_SPELL_DEFINE)
error = TRUE;
if (GET_OBJ_VAL(obj, val) > MAX_SPELLS && GET_OBJ_VAL(obj, val) <= MAX_SKILLS)
error = TRUE;
if (error)
log("SYSERR: Object #%d (%s) has out of range spell #%d.",
GET_OBJ_VNUM(obj), obj->short_description, GET_OBJ_VAL(obj, val));
/*
* This bug has been fixed, but if you don't like the special behavior...
*/
#if 0
if (GET_OBJ_TYPE(obj) == ITEM_STAFF &&
HAS_SPELL_ROUTINE(GET_OBJ_VAL(obj, val), MAG_AREAS | MAG_MASSES))
log("... '%s' (#%d) uses %s spell '%s'.",
obj->short_description, GET_OBJ_VNUM(obj),
HAS_SPELL_ROUTINE(GET_OBJ_VAL(obj, val), MAG_AREAS) ? "area" : "mass",
skill_name(GET_OBJ_VAL(obj, val)));
#endif
if (scheck) /* Spell names don't exist in syntax check mode. */
return (error);
/* Now check for unnamed spells. */
spellname = skill_name(GET_OBJ_VAL(obj, val));
if ((spellname == unused_spellname || !str_cmp("UNDEFINED", spellname)) && (error = TRUE))
log("SYSERR: Object #%d (%s) uses '%s' spell #%d.",
GET_OBJ_VNUM(obj), obj->short_description, spellname,
GET_OBJ_VAL(obj, val));
return (error);
}
int check_object_level(struct obj_data *obj, int val)
{
int error = FALSE;
if ((GET_OBJ_VAL(obj, val) < 0 || GET_OBJ_VAL(obj, val) > LVL_IMPL) && (error = TRUE))
log("SYSERR: Object #%d (%s) has out of range level #%d.",
GET_OBJ_VNUM(obj), obj->short_description, GET_OBJ_VAL(obj, val));
return (error);
}
int check_bitvector_names(bitvector_t bits, size_t namecount, const char *whatami, const char *whatbits)
{
unsigned int flagnum;
bool error = FALSE;
/* See if any bits are set above the ones we know about. */
if (bits <= (~(bitvector_t)0 >> (sizeof(bitvector_t) * 8 - namecount)))
return (FALSE);
for (flagnum = namecount; flagnum < sizeof(bitvector_t) * 8; flagnum++)
if ((1 << flagnum) & bits) {
log("SYSERR: %s has unknown %s flag, bit %d (0 through %d known).", whatami, whatbits, flagnum, namecount - 1);
error = TRUE;
}
return (error);
}