quakeforge-old/common/cmd.h
Zephaniah E. Hull 0e8ba8d814 Sledge hammer applied..
The input stuff is now somewhat modular, I'll get everything working
soon enough, right now things are hardwired to svgalib, but its ok..
2000-02-12 05:34:22 +00:00

124 lines
4.2 KiB
C

/*
Copyright (C) 1996-1997 Id Software, Inc.
Copyright (C) 1999,2000 contributors of the QuakeForge project
Please see the file "AUTHORS" for a list of contributors
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.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#ifndef _CMD_H
#define _CMD_H
// cmd.h -- Command buffer and command execution
//===========================================================================
/*
Any number of commands can be added in a frame, from several different sources.
Most commands come from either keybindings or console line input, but remote
servers can also send across commands and entire text files can be execed.
The + command line options are also added to the command buffer.
The game starts with a Cbuf_AddText ("exec quake.rc\n"); Cbuf_Execute ();
*/
void Cbuf_Init (void);
// allocates an initial text buffer that will grow as needed
void Cbuf_AddText (char *text);
// as new commands are generated from the console or keybindings,
// the text is added to the end of the command buffer.
void Cbuf_InsertText (char *text);
// when a command wants to issue other commands immediately, the text is
// inserted at the beginning of the buffer, before any remaining unexecuted
// commands.
void Cbuf_Execute (void);
// Pulls off \n terminated lines of text from the command buffer and sends
// them through Cmd_ExecuteString. Stops when the buffer is empty.
// Normally called once per frame, but may be explicitly invoked.
// Do not call inside a command function!
//===========================================================================
/*
Command execution takes a null terminated string, breaks it into tokens,
then searches for a command or variable that matches the first token.
*/
typedef void (*xcommand_t) (void);
typedef enum
{
src_client, // came in over a net connection as a clc_stringcmd
// host_client will be valid during this state.
src_command // from the command buffer
} cmd_source_t;
extern cmd_source_t cmd_source;
void Cmd_Init (void);
void Cmd_AddCommand (char *cmd_name, xcommand_t function);
// called by the init functions of other parts of the program to
// register commands and functions to call for them.
// The cmd_name is referenced later, so it should not be in temp memory
// if function is NULL, the command will be forwarded to the server
// as a clc_stringcmd instead of executed locally
qboolean Cmd_Exists (char *cmd_name);
// used by the cvar code to check for cvar / command name overlap
char *Cmd_CompleteCommand (char *partial);
// attempts to match a partial command for automatic command line completion
// returns NULL if nothing fits
int Cmd_Argc (void);
char *Cmd_Argv (int arg);
char *Cmd_Args (void);
// The functions that execute commands get their parameters with these
// functions. Cmd_Argv () will return an empty string, not a NULL
// if arg > argc, so string operations are allways safe.
int Cmd_CheckParm (char *parm);
// Returns the position (1 to argc-1) in the command's argument list
// where the given parameter apears, or 0 if not present
void Cmd_TokenizeString (char *text);
// Takes a null terminated string. Does not need to be /n terminated.
// breaks the string up into arg tokens.
void Cmd_ExecuteString (char *text, cmd_source_t src);
// Parses a single line of text into arguments and tries to execute it
// as if it was typed at the console
void Cmd_ForwardToServer (void);
// adds the current command line as a clc_stringcmd to the client message.
// things like godmode, noclip, etc, are commands directed to the server,
// so when they are typed in at the console, they will need to be forwarded.
void Cmd_StuffCmds_f (void);
void Cmd_Echo_f (void);
#endif // _CMD_H