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https://git.code.sf.net/p/quake/newtree
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121 lines
3.7 KiB
C
121 lines
3.7 KiB
C
/*
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cvar.h
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Configuration variable definitions and prototypes
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Copyright (C) 1996-1997 Id Software, Inc.
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (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.
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See the GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to:
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Free Software Foundation, Inc.
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59 Temple Place - Suite 330
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Boston, MA 02111-1307, USA
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$Id$
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*/
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#ifndef __cvar_h_
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#define __cvar_h_
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#include "qtypes.h"
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#include "quakeio.h"
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typedef struct cvar_s {
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char *name;
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char *string;
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int flags;
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void (*callback)(struct cvar_s *var);
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char *description; // for "help" command
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float value;
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int int_val;
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vec3_t vec;
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struct cvar_s *next;
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} cvar_t;
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typedef struct cvar_alias_s {
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char *name;
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cvar_t *cvar;
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struct cvar_alias_s *next;
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} cvar_alias_t;
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#define CVAR_NONE 0
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#define CVAR_ARCHIVE 1 // set to cause it to be saved to vars.rc
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// used for system variables, not for player
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// specific configurations
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#define CVAR_USERINFO 2 // sent to server on connect or change
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#define CVAR_SERVERINFO 4 // sent in response to front end requests
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#define CVAR_NOTIFY 32 // Will notify players when changed.
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#define CVAR_ROM 64 // display only, cannot be set by user at all
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#define CVAR_USER_CREATED 128 // created by a set command
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#define CVAR_LATCH 2048 // will only change when C code next does
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// a Cvar_Get(), so it can't be changed
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// Zoid| A good CVAR_ROM example is userpath. The code should read "cvar_t
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// *fs_userpath = CvarGet("fs_userpath", ".", CVAR_ROM); The user can
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// override that with +set fs_userpath <blah> since the command line +set gets
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// created _before_ the C code for fs_basepath setup is called. The code goes
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// "look, the user made fs_basepath already", uses the users value, but sets
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// CVAR_ROM as per the call.
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// Returns the Cvar if found, creates it with value if not. Description and
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// flags are always updated.
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cvar_t *Cvar_Get (char *name, char *value, int cvarflags,
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void (*callback)(cvar_t*), char *description);
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cvar_t *Cvar_FindAlias (char *alias_name);
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void Cvar_Alias_Get (char *name, cvar_t *cvar);
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// equivelants to "<name> <variable>" typed at the console
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void Cvar_Set (cvar_t *var, char *value);
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void Cvar_SetValue (cvar_t *var, float value);
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// sets a CVAR_ROM variable from within the engine
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void Cvar_SetROM (cvar_t *var, char *value);
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// allows you to change a Cvar's flags without a full Cvar_Get
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void Cvar_SetFlags (cvar_t *var, int cvarflags);
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// returns 0 if not defined or non numeric
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float Cvar_VariableValue (char *var_name);
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// returns an empty string if not defined
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char *Cvar_VariableString (char *var_name);
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// attempts to match a partial variable name for command line completion
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// returns NULL if nothing fits
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char *Cvar_CompleteVariable (char *partial);
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// called by Cmd_ExecuteString when Cmd_Argv(0) doesn't match a known
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// command. Returns true if the command was a variable reference that
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// was handled. (print or change)
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qboolean Cvar_Command (void);
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// Writes lines containing "set variable value" for all variables
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// with the archive flag set to true.
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void Cvar_WriteVariables (QFile *f);
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// Returns a pointer to the Cvar, NULL if not found
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cvar_t *Cvar_FindVar (char *var_name);
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void Cvar_Init_Hash (void);
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void Cvar_Init (void);
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void Cvar_Shutdown (void);
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extern cvar_t *cvar_vars;
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#endif // _CVAR_H
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