79 lines
3.1 KiB
C
79 lines
3.1 KiB
C
/*
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cvar.h - dynamic variable tracking
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Copyright (C) 2017 Uncle Mike
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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*/
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#ifndef CVAR_H
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#define CVAR_H
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#include "cvardef.h"
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#define CVAR_SENTINEL 0xDEADBEEF
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#define CVAR_CHECK_SENTINEL( cv ) ((uint)(cv)->next == CVAR_SENTINEL)
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// NOTE: if this is changed, it must be changed in cvardef.h too
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typedef struct convar_s
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{
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// this part shared with cvar_t
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char *name;
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char *string;
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int flags;
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float value;
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struct convar_s *next;
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// this part unique for convar_t
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char *desc; // variable descrition info
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char *def_string; // keep pointer to initial value
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} convar_t;
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// cvar internal flags
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#define FCVAR_RENDERINFO (1<<16) // save to a seperate config called video.cfg
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#define FCVAR_READ_ONLY (1<<17) // cannot be set by user at all, and can't be requested by CvarGetPointer from game dlls
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#define FCVAR_EXTENDED (1<<18) // this is convar_t (sets on registration)
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#define FCVAR_ALLOCATED (1<<19) // this convar_t is fully dynamic allocated (include description)
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#define FCVAR_VIDRESTART (1<<20) // recreate the window is cvar with this flag was changed
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#define FCVAR_TEMPORARY (1<<21) // these cvars holds their values and can be unlink in any time
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#define FCVAR_LOCALONLY (1<<22) // can be set only from local buffers
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#define CVAR_DEFINE( cv, cvname, cvstr, cvflags, cvdesc ) \
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convar_t cv = { cvname, cvstr, cvflags, 0.0f, (void *)CVAR_SENTINEL, cvdesc, NULL }
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#define CVAR_DEFINE_AUTO( cv, cvstr, cvflags, cvdesc ) \
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CVAR_DEFINE( cv, #cv, cvstr, cvflags, cvdesc )
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#define CVAR_TO_BOOL( x ) ((x) && ((x)->value != 0.0f) ? true : false )
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cvar_t *Cvar_GetList( void );
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#define Cvar_FindVar( name ) Cvar_FindVarExt( name, 0 )
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convar_t *Cvar_FindVarExt( const char *var_name, int ignore_group );
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void Cvar_RegisterVariable( convar_t *var );
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convar_t *Cvar_Get( const char *var_name, const char *value, int flags, const char *description );
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void Cvar_LookupVars( int checkbit, void *buffer, void *ptr, setpair_t callback );
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void Cvar_FullSet( const char *var_name, const char *value, int flags );
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void Cvar_DirectSet( convar_t *var, const char *value );
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void Cvar_Set( const char *var_name, const char *value );
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void Cvar_SetValue( const char *var_name, float value );
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const char *Cvar_BuildAutoDescription( int flags );
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float Cvar_VariableValue( const char *var_name );
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int Cvar_VariableInteger( const char *var_name );
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const char *Cvar_VariableString( const char *var_name );
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void Cvar_WriteVariables( file_t *f, int group );
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qboolean Cvar_Exists( const char *var_name );
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void Cvar_Reset( const char *var_name );
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void Cvar_SetCheatState( void );
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qboolean Cvar_Command( convar_t *v );
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void Cvar_Init( void );
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void Cvar_Unlink( int group );
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#endif//CVAR_H
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