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/*
* File: tags.h
* Summary: Auxilary functions to make savefile versioning simpler.
* Written by: Gordon Lipford
*
* Modified for Crawl Reference by $Author$ on $Date$
*
* Change History (most recent first):
*
* <1> 27 Jan 2001 GDL Created
*/
#ifndef TAGS_H
#define TAGS_H
#include <stdio.h>
#include "externs.h"
enum tag_type // used during save/load process to identify data blocks
{
TAG_VERSION = 0, // should NEVER be read in!
TAG_YOU = 1, // 'you' structure
TAG_YOU_ITEMS, // your items
TAG_YOU_DUNGEON, // dungeon specs (stairs, branches, features)
TAG_LEVEL, // various grids & clouds
TAG_LEVEL_ITEMS, // items/traps
TAG_LEVEL_MONSTERS, // monsters
TAG_GHOST, // ghost
TAG_LEVEL_ATTITUDE, // monster attitudes
TAG_LOST_MONSTERS, // monsters in transit
NUM_TAGS
};
enum tag_file_type // file types supported by tag system
{
TAGTYPE_PLAYER=0, // Foo.sav
TAGTYPE_LEVEL, // Foo.00a, .01a, etc.
TAGTYPE_GHOST, // bones.xxx
TAGTYPE_PLAYER_NAME // Used only to read the player name
};
struct tagHeader
{
short tagID;
long offset;
// File handle for direct file writes.
FILE *file;
tagHeader() : tagID(0), offset(0L), file(NULL) { }
tagHeader(FILE *f) : tagID(0), offset(0L), file(f) { }
unsigned char readByte();
void writeByte(unsigned char byte);
void write(const void *data, size_t size);
void read(void *data, size_t size);
void advance(int skip);
};
// last updated 22jan2001 {gdl}
/* ***********************************************************************
* called from: files tags
* *********************************************************************** */
int write2(FILE * file, const char *buffer, unsigned int count);
// last updated 22jan2001 {gdl}
/* ***********************************************************************
* called from: files tags
* *********************************************************************** */
int read2(FILE * file, char *buffer, unsigned int count);
// last updated 22jan2001 {gdl}
/* ***********************************************************************
* called from: files tags
* *********************************************************************** */
void marshallByte(tagHeader &th, char data);
void marshallShort(tagHeader &th, short data);
void marshallLong(tagHeader &th, long data);
void marshallFloat(tagHeader &th, float data);
void marshallBoolean(tagHeader &th, bool data);
void marshallString(tagHeader &th, const std::string &data,
int maxSize = 0);
void marshallCoord(tagHeader &th, const coord_def &c);
void marshallItem(tagHeader &th, const item_def &item);
// last updated 22jan2001 {gdl}
/* ***********************************************************************
* called from: tags files
* *********************************************************************** */
char unmarshallByte(tagHeader &th);
short unmarshallShort(tagHeader &th);
long unmarshallLong(tagHeader &th);
float unmarshallFloat(tagHeader &th);
bool unmarshallBoolean(tagHeader &th);
int unmarshallCString(tagHeader &th, char *data, int maxSize);
std::string unmarshallString(tagHeader &th, int maxSize = 1000);
void unmarshallCoord(tagHeader &th, coord_def &c);
void unmarshallItem(tagHeader &th, item_def &item);
std::string make_date_string( time_t in_date );
time_t parse_date_string( char[20] );
// last updated 22jan2001 {gdl}
/* ***********************************************************************
* called from: acr
* *********************************************************************** */
void tag_init(long largest_tag = 100000);
// last updated 22jan2001 {gdl}
/* ***********************************************************************
* called from: files
* *********************************************************************** */
void tag_construct(tagHeader &th, int i);
// last updated 22jan2001 {gdl}
/* ***********************************************************************
* called from: files
* *********************************************************************** */
void tag_write(tagHeader &th, FILE *saveFile);
// last updated 22jan2001 {gdl}
/* ***********************************************************************
* called from: files
* *********************************************************************** */
void tag_set_expected(char tags[], int fileType);
// last updated 22jan2001 {gdl}
/* ***********************************************************************
* called from: files
* *********************************************************************** */
void tag_missing(int tag, char minorVersion);
// last updated 22jan2001 {gdl}
/* ***********************************************************************
* called from: files
* *********************************************************************** */
int tag_read(FILE *fp, char minorVersion);
#endif // TAGS_H
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