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The World of Computer Software
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World_Of_Computer_Software-02-387-Vol-3of3.iso
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db.h
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C/C++ Source or Header
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1991-03-01
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5KB
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166 lines
/* ************************************************************************
* file: db.h , Database module. Part of DIKUMUD *
* Usage: Loading/Saving chars booting world. *
************************************************************************* */
/* data files used by the game system */
#define DFLT_DIR "lib" /* default data directory */
#define WORLD_FILE "tinyworld.wld" /* room definitions */
#define MOB_FILE "tinyworld.mob" /* monster prototypes */
#define OBJ_FILE "tinyworld.obj" /* object prototypes */
#define ZONE_FILE "tinyworld.zon" /* zone defs & command tables */
#define CREDITS_FILE "credits" /* for the 'credits' command */
#define NEWS_FILE "news" /* for the 'news' command */
#define MOTD_FILE "motd" /* messages of today */
#define PLAYER_FILE "players" /* the player database */
#define TIME_FILE "time" /* game calendar information */
#define IDEA_FILE "ideas" /* for the 'idea'-command */
#define TYPO_FILE "typos" /* 'typo' */
#define BUG_FILE "bugs" /* 'bug' */
#define MESS_FILE "messages" /* damage message */
#define SOCMESS_FILE "actions" /* messgs for social acts */
#define HELP_KWRD_FILE "help_table" /* for HELP <keywrd> */
#define HELP_PAGE_FILE "help" /* for HELP <CR> */
#define INFO_FILE "info" /* for INFO */
#define WIZLIST_FILE "wizlist" /* for WIZLIST */
#define POSEMESS_FILE "poses" /* for 'pose'-command */
/* public procedures in db.c */
void boot_db(void);
void save_char(struct char_data *ch, sh_int load_room);
int create_entry(char *name);
void zone_update(void);
void init_char(struct char_data *ch);
void clear_char(struct char_data *ch);
void clear_object(struct obj_data *obj);
void reset_char(struct char_data *ch);
void free_char(struct char_data *ch);
int real_room(int virtual);
char *fread_string(FILE *fl);
int real_object(int virtual);
int real_mobile(int virtual);
#define REAL 0
#define VIRTUAL 1
struct obj_data *read_object(int nr, int type);
struct char_data *read_mobile(int nr, int type);
#define MENU \
"\n\rWelcome to DikuMUD\n\r\n\
0) Exit from DikuMud.\n\r\
1) Enter the game.\n\r\
2) Enter description.\n\r\
3) Read the background story\n\r\
4) Change password.\n\r\n\r\
Make your choice: "
#define GREETINGS \
"\n\r\n\r \
DikuMUD I (GAMMA 0.0)\n\r\n\r \
Created by\n\r \
Hans Henrik Staerfeldt, Katja Nyboe,\n\r \
Tom Madsen, Michael Seifert, and Sebastian Hammer\n\r\n\r"
#define WELC_MESSG \
"\n\rWelcome to the land of DikuMUD. May your visit here be... Interesting.\
\n\r\n\r"
#define STORY \
"This will soon be the background story of DIKU-MUD.\n\r\n\r"
/* structure for the reset commands */
struct reset_com
{
char command; /* current command */
bool if_flag; /* if TRUE: exe only if preceding exe'd */
int arg1; /* */
int arg2; /* Arguments to the command */
int arg3; /* */
/*
* Commands: *
* 'M': Read a mobile *
* 'O': Read an object *
* 'G': Give obj to mob *
* 'P': Put obj in obj *
* 'G': Obj to char *
* 'E': Obj to char equip *
* 'D': Set state of door *
*/
};
/* zone definition structure. for the 'zone-table' */
struct zone_data
{
char *name; /* name of this zone */
int lifespan; /* how long between resets (minutes) */
int age; /* current age of this zone (minutes) */
int top; /* upper limit for rooms in this zone */
int reset_mode; /* conditions for reset (see below) */
struct reset_com *cmd; /* command table for reset */
/*
* Reset mode: *
* 0: Don't reset, and don't update age. *
* 1: Reset if no PC's are located in zone. *
* 2: Just reset. *
*/
};
/* element in monster and object index-tables */
struct index_data
{
int virtual; /* virtual number of this mob/obj */
long pos; /* file position of this field */
int number; /* number of existing units of this mob/obj */
int (*func)(); /* special procedure for this mob/obj */
};
/* for queueing zones for update */
struct reset_q_element
{
int zone_to_reset; /* ref to zone_data */
struct reset_q_element *next;
};
/* structure for the update queue */
struct reset_q_type
{
struct reset_q_element *head;
struct reset_q_element *tail;
} reset_q;
struct player_index_element
{
char *name;
int nr;
};
struct help_index_element
{
char *keyword;
long pos;
};