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// Emacs style mode select -*- C++ -*-
//-----------------------------------------------------------------------------
//
// $Id: command.h,v 1.7 2001/01/25 22:15:41 bpereira Exp $
//
// Copyright (C) 1998-2000 by DooM Legacy Team.
//
// 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 2
// 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.
//
//
// $Log: command.h,v $
// Revision 1.7 2001/01/25 22:15:41 bpereira
// added heretic support
//
// Revision 1.6 2000/11/11 13:59:45 bpereira
// no message
//
// Revision 1.5 2000/10/08 13:29:59 bpereira
// no message
//
// Revision 1.4 2000/08/31 14:30:55 bpereira
// no message
//
// Revision 1.3 2000/04/16 18:38:06 bpereira
// no message
//
// Revision 1.2 2000/02/27 00:42:10 hurdler
// fix CR+LF problem
//
// Revision 1.1.1.1 2000/02/22 20:32:32 hurdler
// Initial import into CVS (v1.29 pr3)
//
//
// DESCRIPTION:
//
//
//-----------------------------------------------------------------------------
#ifndef __COMMAND_H__
#define __COMMAND_H__
#include <stdio.h>
#include "doomtype.h"
//===================================
// Command buffer & command execution
//===================================
typedef void (*com_func_t) (void);
void COM_AddCommand (char *name, com_func_t func);
int COM_Argc (void);
char *COM_Argv (int arg); // if argv>argc, returns empty string
char *COM_Args (void);
int COM_CheckParm (char *check); // like M_CheckParm :)
// match existing command or NULL
char *COM_CompleteCommand (char *partial, int skips);
// insert at queu (at end of other command)
void COM_BufAddText (char *text);
// insert in head (before other command)
void COM_BufInsertText (char *text);
// Execute commands in buffer, flush them
void COM_BufExecute (void);
// setup command buffer, at game tartup
void COM_Init (void);
// ======================
// Variable sized buffers
// ======================
typedef struct vsbuf_s
{
boolean allowoverflow; // if false, do a I_Error
boolean overflowed; // set to true if the buffer size failed
byte *data;
int maxsize;
int cursize;
} vsbuf_t;
void VS_Alloc (vsbuf_t *buf, int initsize);
void VS_Free (vsbuf_t *buf);
void VS_Clear (vsbuf_t *buf);
void *VS_GetSpace (vsbuf_t *buf, int length);
void VS_Write (vsbuf_t *buf, void *data, int length);
void VS_Print (vsbuf_t *buf, char *data); // strcats onto the sizebuf
// ======================
//==================
// Console variables
//==================
// console vars are variables that can be changed through code or console,
// at RUN TIME. They can also act as simplified commands, because a func-
// tion can be attached to a console var, which is called whenever the
// variable is modified (using flag CV_CALL).
// flags for console vars
typedef enum
{
CV_SAVE = 1, // save to config when quit game
CV_CALL = 2, // call function on change
CV_NETVAR = 4, // send it when change (see logboris.txt at 12-4-2000)
CV_NOINIT = 8, // dont call function when var is registered (1st set)
CV_FLOAT = 16, // the value is fixed 16:16, where unit is FRACUNIT
// (allow user to enter 0.45 for ex)
// WARNING: currently only supports set with CV_Set()
CV_NOTINNET = 32, // some varaiable can't be changed in network but is not netvar (ex: splitscreen)
CV_MODIFIED = 64, // this bit is set when cvar is modified
CV_SHOWMODIF = 128, // say something when modified
CV_SHOWMODIFONETIME = 256, // same but will be reset to 0 when modified, set in toggle
CV_HIDEN = 1024, // variable is not part of the cvar list so cannot be accessed by the console
// can only be set when we have the pointer to hit
// used on the menu
} cvflags_t;
struct CV_PossibleValue_s {
int value;
char *strvalue;
};
typedef struct CV_PossibleValue_s CV_PossibleValue_t;
typedef struct consvar_s
{
char *name;
char *defaultvalue;
int flags; // flags see cvflags_t above
CV_PossibleValue_t *PossibleValue; // table of possible values
void (*func) (void); // called on change, if CV_CALL set
int value; // for int and fixed_t
char *string; // value in string
unsigned short netid; // used internaly : netid for send end receive
// used only with CV_NETVAR
struct consvar_s *next;
} consvar_t;
extern CV_PossibleValue_t CV_OnOff[];
extern CV_PossibleValue_t CV_YesNo[];
extern CV_PossibleValue_t CV_Unsigned[];
// register a variable for use at the console
void CV_RegisterVar (consvar_t *variable);
// returns the name of the nearest console variable name found
char *CV_CompleteVar (char *partial, int skips);
// equivalent to "<varname> <value>" typed at the console
void CV_Set (consvar_t *var, char *value);
// expands value to a string and calls CV_Set
void CV_SetValue (consvar_t *var, int value);
// it a setvalue but with a modulo at the maximum
void CV_AddValue (consvar_t *var, int increment);
// write all CV_SAVE variables to config file
void CV_SaveVariables (FILE *f);
// load/save gamesate (load and save option and for network join in game)
void CV_SaveNetVars( char **p );
void CV_LoadNetVars( char **p );
#endif // __COMMAND_H__
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