/**
* @file db.h
* Header file for database handling.
* 
* Part of the core tbaMUD source code distribution, which is a derivative
* of, and continuation of, CircleMUD.
*                                                                        
* All rights reserved.  See license for complete information.                                                                
* Copyright (C) 1993, 94 by the Trustees of the Johns Hopkins University 
* CircleMUD is based on DikuMUD, Copyright (C) 1990, 1991.               
*
*/
#ifndef _DB_H_
#define _DB_H_


/* arbitrary constants used by index_boot() (must be unique) */
#define DB_BOOT_WLD	0
#define DB_BOOT_MOB	1
#define DB_BOOT_OBJ	2
#define DB_BOOT_ZON	3
#define DB_BOOT_SHP	4
#define DB_BOOT_HLP	5
#define DB_BOOT_TRG	6
#define DB_BOOT_QST 7

#if defined(CIRCLE_MACINTOSH)
#define LIB_WORLD	":world:"
#define LIB_TEXT	":text:"
#define LIB_TEXT_HELP   ":text:help:"
#define LIB_MISC	":misc:"
#define LIB_ETC		":etc:"
#define LIB_PLRTEXT	":plrtext:"
#define LIB_PLROBJS	":plrobjs:"
#define LIB_PLRVARS	":plrvars:"
#define LIB_PLRFILES	":plrfiles:"
#define LIB_HOUSE	":house:"
#define SLASH		":"
#elif defined(CIRCLE_AMIGA) || defined(CIRCLE_UNIX) || defined(CIRCLE_WINDOWS) || defined(CIRCLE_ACORN) || defined(CIRCLE_VMS)
#define LIB_WORLD	"world/"
#define LIB_TEXT	"text/"
#define LIB_TEXT_HELP   "text/help/"
#define LIB_MISC	"misc/"
#define LIB_ETC		"etc/"
#define LIB_PLRTEXT	"plrtext/"
#define LIB_PLROBJS	"plrobjs/"
#define LIB_PLRVARS	"plrvars/"
#define LIB_HOUSE	"house/"
#define LIB_PLRFILES    "plrfiles/"
#define SLASH		"/"
#else
#error "Unknown path components."
#endif

#define SUF_OBJS	"objs"
#define SUF_TEXT	"text"
#define SUF_MEM	        "mem"
#define SUF_PLR		"plr"

#if defined(CIRCLE_AMIGA)
#define EXE_FILE "/bin/circle" /* maybe use argv[0] but it's not reliable */
#define KILLSCRIPT_FILE "/.killscript"  /* autorun: shut mud down       */
#define PAUSE_FILE      "/pause"        /* autorun: don't restart mud   */
#elif defined(CIRCLE_MACINTOSH)
#define EXE_FILE "::bin:circle" /* maybe use argv[0] but it's not reliable */
#define FASTBOOT_FILE	"::.fastboot"	/* autorun: boot without sleep	*/
#define KILLSCRIPT_FILE	"::.killscript"	/* autorun: shut mud down	*/
#define PAUSE_FILE	"::pause"	/* autorun: don't restart mud	*/
#else
#define EXE_FILE "bin/circle" /* maybe use argv[0] but it's not reliable */
#define FASTBOOT_FILE   "../.fastboot"  /* autorun: boot without sleep  */
#define KILLSCRIPT_FILE "../.killscript"/* autorun: shut mud down       */
#define PAUSE_FILE      "../pause"      /* autorun: don't restart mud   */
#endif

/* names of various files and directories */
#define INDEX_FILE	"index"		/* index of world files		*/
#define MINDEX_FILE	"index.mini"	/* ... and for mini-mud-mode	*/
#define WLD_PREFIX  LIB_WORLD"wld"SLASH	/* room definitions	*/
#define MOB_PREFIX  LIB_WORLD"mob"SLASH	/* monster prototypes	*/
#define OBJ_PREFIX  LIB_WORLD"obj"SLASH	/* object prototypes	*/
#define ZON_PREFIX  LIB_WORLD"zon"SLASH	/* zon defs & command tables */
#define SHP_PREFIX  LIB_WORLD"shp"SLASH	/* shop definitions	*/
#define TRG_PREFIX  LIB_WORLD"trg"SLASH	/* trigger files	*/
#define HLP_PREFIX  LIB_TEXT"help"SLASH /* Help files           */
#define QST_PREFIX  LIB_WORLD"qst"SLASH /* quest files          */

#define CREDITS_FILE	LIB_TEXT"credits" /* for the 'credits' command	*/
#define NEWS_FILE	LIB_TEXT"news"	/* for the 'news' command	*/
#define MOTD_FILE	LIB_TEXT"motd"	/* messages of the day / mortal	*/
#define IMOTD_FILE	LIB_TEXT"imotd"	/* messages of the day / immort	*/
#define GREETINGS_FILE	LIB_TEXT"greetings"	/* The opening screen.	*/
#define HELP_PAGE_FILE	LIB_TEXT_HELP"help"	/* for HELP <CR>	*/
#define IHELP_PAGE_FILE LIB_TEXT_HELP"ihelp"    /* for HELP <CR> imms   */
#define INFO_FILE	LIB_TEXT"info"		/* for INFO		*/
#define WIZLIST_FILE	LIB_TEXT"wizlist"	/* for WIZLIST		*/
#define IMMLIST_FILE	LIB_TEXT"immlist"	/* for IMMLIST		*/
#define BACKGROUND_FILE	LIB_TEXT"background"/* for the background story	*/
#define POLICIES_FILE	LIB_TEXT"policies"  /* player policies/rules	*/
#define HANDBOOK_FILE	LIB_TEXT"handbook"  /* handbook for new immorts	*/
#define HELP_FILE       "help.hlp"

#define IDEA_FILE	LIB_MISC"ideas"	   /* for the 'idea'-command	*/
#define TYPO_FILE	LIB_MISC"typos"	   /*         'typo'		*/
#define BUG_FILE	LIB_MISC"bugs"	   /*         'bug'		*/
#define MESS_FILE	LIB_MISC"messages" /* damage messages		*/
#define SOCMESS_FILE	LIB_MISC"socials"  /* messages for social acts	*/
#define SOCMESS_FILE_NEW LIB_MISC"socials.new"  /* messages for social acts with aedit patch*/
#define XNAME_FILE	LIB_MISC"xnames"   /* invalid name substrings	*/

/* BEGIN: Assumed default locations for logfiles, mainly used in do_file. */
/**/
#define SYSLOG_LOGFILE     "../syslog"
#define CRASH_LOGFILE      "../syslog.CRASH"
#define PREFIX_LOGFILE     "../log/"
#define LEVELS_LOGFILE     PREFIX_LOGFILE"levels"
#define RIP_LOGFILE        PREFIX_LOGFILE"rip"
#define NEWPLAYERS_LOGFILE PREFIX_LOGFILE"newplayers"
#define RENTGONE_LOGFILE   PREFIX_LOGFILE"rentgone"
#define ERRORS_LOGFILE     PREFIX_LOGFILE"errors"
#define GODCMDS_LOGFILE    PREFIX_LOGFILE"godcmds"
#define HELP_LOGFILE       PREFIX_LOGFILE"help"
#define DELETES_LOGFILE    PREFIX_LOGFILE"delete"
#define RESTARTS_LOGFILE   PREFIX_LOGFILE"restarts"
#define USAGE_LOGFILE      PREFIX_LOGFILE"usage"
#define BADPWS_LOGFILE     PREFIX_LOGFILE"badpws"
#define OLC_LOGFILE        PREFIX_LOGFILE"olc"
#define TRIGGER_LOGFILE    PREFIX_LOGFILE"trigger"
/**/
/* END: Assumed default locations for logfiles, mainly used in do_file. */

#define CONFIG_FILE	LIB_ETC"config"    /* OasisOLC * GAME CONFIG FL */
#define PLAYER_FILE	LIB_ETC"players"   /* the player database	*/
#define MAIL_FILE	LIB_ETC"plrmail"   /* for the mudmail system	*/
#define MAIL_FILE_TMP	LIB_ETC"plrmail_tmp"   /* for the mudmail system	*/
#define BAN_FILE	LIB_ETC"badsites"  /* for the siteban system	*/
#define HCONTROL_FILE	LIB_ETC"hcontrol"  /* for the house system	*/
#define TIME_FILE	LIB_ETC"time"	   /* for calendar system	*/
#define CHANGE_LOG_FILE "../changelog"     /* for the changelog         */

/* new bitvector data for use in player_index_element */
#define PINDEX_DELETED		(1 << 0)	/* deleted player	*/
#define PINDEX_NODELETE		(1 << 1)	/* protected player	*/
#define PINDEX_SELFDELETE	(1 << 2)	/* player is selfdeleting*/
#define PINDEX_NOWIZLIST	(1 << 3)	/* Player shouldn't be on wizlist*/

#define REAL 0
#define VIRTUAL 1

/* 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;		/*                                      */
   int line;		/* line number this command appears on  */
   char *sarg1;		/* string argument                      */
   char *sarg2;		/* string argument                      */

   /* 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
    *  'T': Trigger command
    *  'V': Assign a variable */
};

/* zone definition structure. for the 'zone-table'   */
struct zone_data {
   char	*name;		    /* name of this zone                  */
   char *builders;          /* namelist of builders allowed to    */
                            /* modify this zone.		  */
   int	lifespan;           /* how long between resets (minutes)  */
   int	age;                /* current age of this zone (minutes) */
   room_vnum bot;           /* starting room number for this zone */
   room_vnum top;           /* upper limit for rooms in this zone */

   int	reset_mode;         /* conditions for reset (see below)   */
   zone_vnum number;	    /* virtual number of this zone	  */
   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. */
};

/* for queueing zones for update   */
struct reset_q_element {
   zone_rnum 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;
};

/* Added level, flags, and last, primarily for pfile autocleaning.  You can also
 * use them to keep online statistics, and add race, class, etc if you like. */
struct player_index_element {
   char	*name;
   long id;
   int level;
   int flags;
   time_t last;
};

struct help_index_element {
   char *index;      /*Future Use */
   char *keywords;   /*Keyword Place holder and sorter */
   char *entry;      /*Entries for help files with Keywords at very top*/
   int duplicate;    /*Duplicate entries for multple keywords*/
   int min_level;    /*Min Level to read help entry*/
};

/* The ban defines and structs were moved to ban.h */

/* for the "buffered" rent and house object loading */
struct obj_save_data_t {
  struct obj_data *obj;
  int locate;
  struct obj_save_data_t *next;
};
typedef struct obj_save_data_t obj_save_data;


/* public procedures in db.c */
void  boot_db(void);
void  destroy_db(void);
char *fread_action(FILE *fl, int nr);
int   create_entry(char *name);
void  zone_update(void);
char  *fread_string(FILE *fl, const char *error);
long  get_id_by_name(const char *name);
char  *get_name_by_id(long id);
void  save_mud_time(struct time_info_data *when);
void  free_text_files(void);
void  free_help_table(void);
void  free_player_index(void);
void  load_help(FILE *fl, char *name);

zone_rnum real_zone(zone_vnum vnum);
room_rnum real_room(room_vnum vnum);
mob_rnum real_mobile(mob_vnum vnum);
obj_rnum real_object(obj_vnum vnum);

/* Public Procedures from objsave.c */
void  Crash_save_all(void);
void  Crash_idlesave(struct char_data *ch);
void  Crash_crashsave(struct char_data *ch);
int Crash_load(struct char_data *ch);
void  Crash_listrent(struct char_data *ch, char *name);
int Crash_clean_file(char *name);
int Crash_delete_crashfile(struct char_data *ch);
int Crash_delete_file(char *name);
void update_obj_file(void);
void Crash_rentsave(struct char_data *ch, int cost);
obj_save_data *objsave_parse_objects(FILE *fl);
int objsave_save_obj_record(struct obj_data *obj, FILE *fl, int location);
/* Special functions */
SPECIAL(receptionist);
SPECIAL(cryogenicist);

/* Functions from players.c */
void   tag_argument(char *argument, char *tag);
int    load_char(const char *name, struct char_data *ch);
void   save_char(struct char_data *ch);
void   init_char(struct char_data *ch);
struct char_data* create_char(void);
struct char_data *read_mobile(mob_vnum nr, int type);
int    vnum_mobile(char *searchname, struct char_data *ch);
void   clear_char(struct char_data *ch);
void   reset_char(struct char_data *ch);
void   free_char(struct char_data *ch);
void   save_player_index(void);
long   get_ptable_by_name(const char *name);
void   remove_player(int pfilepos);
void   clean_pfiles(void);
void   build_player_index(void);

struct obj_data *create_obj(void);
void   clear_object(struct obj_data *obj);
void   free_obj(struct obj_data *obj);
struct obj_data *read_object(obj_vnum nr, int type);
int    vnum_object(char *searchname, struct char_data *ch);
int    vnum_room(char *, struct char_data *);
int    vnum_trig(char *, struct char_data *);

void setup_dir(FILE *fl, int room, int dir);
void index_boot(int mode);
void discrete_load(FILE *fl, int mode, char *filename);
void parse_room(FILE *fl, int virtual_nr);
void parse_mobile(FILE *mob_f, int nr);
char *parse_object(FILE *obj_f, int nr);
int is_empty(zone_rnum zone_nr);
void reset_zone(zone_rnum zone);
void reboot_wizlists(void);
ACMD(do_reboot);
void boot_world(void);
int count_hash_records(FILE *fl);
bitvector_t asciiflag_conv(char *flag);
void renum_world(void);
void load_config( void );



/* global buffering system */

#ifndef __DB_C__

/* Various Files */
extern char *credits;
extern char *news;
extern char *motd;
extern char *imotd;
extern char *GREETINGS;
extern char *help;
extern char *ihelp;
extern char *info;
extern char *wizlist;
extern char *immlist;
extern char *background;
extern char *handbook;
extern char *policies;

/* The ingame helpfile */
extern int top_of_helpt;
extern struct help_index_element *help_table;

/* Mud configurable variables */
extern int no_mail;                
extern int mini_mud;               
extern int no_rent_check;          
extern time_t boot_time;           
extern int circle_restrict;        
extern room_rnum r_mortal_start_room;
extern room_rnum r_immort_start_room;
extern room_rnum r_frozen_start_room;

extern struct config_data config_info;

extern struct time_info_data time_info;
extern struct weather_data weather_info; 
extern struct player_special_data dummy_mob;
extern struct reset_q_type reset_q;     

extern struct room_data *world;
extern room_rnum top_of_world;

extern struct zone_data *zone_table;
extern zone_rnum top_of_zone_table;

extern struct char_data *character_list;
extern struct player_special_data dummy_mob;

extern struct index_data *mob_index;
extern struct char_data *mob_proto;
extern mob_rnum top_of_mobt;

extern struct index_data *obj_index;
extern struct obj_data *object_list;
extern struct obj_data *obj_proto;
extern obj_rnum top_of_objt;

extern struct social_messg *soc_mess_list;
extern int top_of_socialt;

extern struct shop_data *shop_index;
extern int top_shop;

extern struct index_data **trig_index;
extern struct trig_data *trigger_list;
extern int top_of_trigt;
extern long max_mob_id;
extern long max_obj_id;
extern int dg_owner_purged;

extern struct message_list fight_messages[MAX_MESSAGES];

/* autoquest globals */
extern struct aq_data *aquest_table;
extern qst_rnum total_quests;

/* begin previously located in players.c, returned to db.c */
extern struct player_index_element *player_table;
extern int top_of_p_table;
extern int top_of_p_file;
extern long top_idnum;
/* end previously located in players.c */

#endif /* __DB_C__ */

#endif /* _DB_H_ */
