Xash3D FWGS engine.
 
 
 
 

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/*
cvar.h - dynamic variable tracking
Copyright (C) 2017 Uncle Mike
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
*/
#ifndef CVAR_H
#define CVAR_H
#include "cvardef.h"
#define CVAR_SENTINEL 0xDEADBEEF
#define CVAR_CHECK_SENTINEL( cv ) ((uint)(cv)->next == CVAR_SENTINEL)
// NOTE: if this is changed, it must be changed in cvardef.h too
typedef struct convar_s
{
// this part shared with cvar_t
char *name;
char *string;
int flags;
float value;
struct convar_s *next;
// this part unique for convar_t
char *desc; // variable descrition info
char *def_string; // keep pointer to initial value
} convar_t;
// cvar internal flags
#define FCVAR_RENDERINFO (1<<16) // save to a seperate config called video.cfg
#define FCVAR_READ_ONLY (1<<17) // cannot be set by user at all, and can't be requested by CvarGetPointer from game dlls
#define FCVAR_EXTENDED (1<<18) // this is convar_t (sets on registration)
#define FCVAR_ALLOCATED (1<<19) // this convar_t is fully dynamic allocated (include description)
#define FCVAR_VIDRESTART (1<<20) // recreate the window is cvar with this flag was changed
#define FCVAR_TEMPORARY (1<<21) // these cvars holds their values and can be unlink in any time
#define CVAR_DEFINE( cv, cvname, cvstr, cvflags, cvdesc ) convar_t cv = { cvname, cvstr, cvflags, 0.0f, (void *)CVAR_SENTINEL, cvdesc }
#define CVAR_DEFINE_AUTO( cv, cvstr, cvflags, cvdesc ) convar_t cv = { #cv, cvstr, cvflags, 0.0f, (void *)CVAR_SENTINEL, cvdesc }
#define CVAR_TO_BOOL( x ) ((x) && ((x)->value != 0.0f) ? true : false )
#define Cvar_FindVar( name ) Cvar_FindVarExt( name, 0 )
convar_t *Cvar_FindVarExt( const char *var_name, int ignore_group );
void Cvar_RegisterVariable( convar_t *var );
convar_t *Cvar_Get( const char *var_name, const char *value, int flags, const char *description );
void Cvar_LookupVars( int checkbit, void *buffer, void *ptr, setpair_t callback );
void Cvar_FullSet( const char *var_name, const char *value, int flags );
void Cvar_DirectSet( convar_t *var, const char *value );
void Cvar_Set( const char *var_name, const char *value );
void Cvar_SetValue( const char *var_name, float value );
const char *Cvar_BuildAutoDescription( int flags );
float Cvar_VariableValue( const char *var_name );
int Cvar_VariableInteger( const char *var_name );
char *Cvar_VariableString( const char *var_name );
void Cvar_WriteVariables( file_t *f, int group );
void Cvar_Reset( const char *var_name );
void Cvar_SetCheatState( void );
qboolean Cvar_Command( void );
void Cvar_Init( void );
void Cvar_Unlink( int group );
#endif//CVAR_H