sv_ccmds.c

quakeIII源码这个不用我多说吧

/*
===========================================================================
Copyright (C) 1999-2005 Id Software, Inc.

This file is part of Quake III Arena source code.

Quake III Arena source code 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.

Quake III Arena source code 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 Foobar; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
===========================================================================
*/

#include "server.h"

/*
===============================================================================

OPERATOR CONSOLE ONLY COMMANDS

These commands can only be entered from stdin or by a remote operator datagram
===============================================================================
*/


/*
==================
SV_GetPlayerByName

Returns the player with name from Cmd_Argv(1)
==================
*/
static client_t *SV_GetPlayerByName( void ) {
	client_t	*cl;
	int			i;
	char		*s;
	char		cleanName[64];

	// make sure server is running
	if ( !com_sv_running->integer ) {
		return NULL;
	}

	if ( Cmd_Argc() < 2 ) {
		Com_Printf( "No player specified.\n" );
		return NULL;
	}

	s = Cmd_Argv(1);

	// check for a name match
	for ( i=0, cl=svs.clients ; i < sv_maxclients->integer ; i++,cl++ ) {
		if ( !cl->state ) {
			continue;
		}
		if ( !Q_stricmp( cl->name, s ) ) {
			return cl;
		}

		Q_strncpyz( cleanName, cl->name, sizeof(cleanName) );
		Q_CleanStr( cleanName );
		if ( !Q_stricmp( cleanName, s ) ) {
			return cl;
		}
	}

	Com_Printf( "Player %s is not on the server\n", s );

	return NULL;
}

/*
==================
SV_GetPlayerByNum

Returns the player with idnum from Cmd_Argv(1)
==================
*/
static client_t *SV_GetPlayerByNum( void ) {
	client_t	*cl;
	int			i;
	int			idnum;
	char		*s;

	// make sure server is running
	if ( !com_sv_running->integer ) {
		return NULL;
	}

	if ( Cmd_Argc() < 2 ) {
		Com_Printf( "No player specified.\n" );
		return NULL;
	}

	s = Cmd_Argv(1);

	for (i = 0; s[i]; i++) {
		if (s[i] < '0' || s[i] > '9') {
			Com_Printf( "Bad slot number: %s\n", s);
			return NULL;
		}
	}
	idnum = atoi( s );
	if ( idnum < 0 || idnum >= sv_maxclients->integer ) {
		Com_Printf( "Bad client slot: %i\n", idnum );
		return NULL;
	}

	cl = &svs.clients[idnum];
	if ( !cl->state ) {
		Com_Printf( "Client %i is not active\n", idnum );
		return NULL;
	}
	return cl;

	return NULL;
}

//=========================================================


/*
==================
SV_Map_f

Restart the server on a different map
==================
*/
static void SV_Map_f( void ) {
	char		*cmd;
	char		*map;
	qboolean	killBots, cheat;
	char		expanded[MAX_QPATH];
	char		mapname[MAX_QPATH];

	map = Cmd_Argv(1);
	if ( !map ) {
		return;
	}

	// make sure the level exists before trying to change, so that
	// a typo at the server console won't end the game
	Com_sprintf (expanded, sizeof(expanded), "maps/%s.bsp", map);
	if ( FS_ReadFile (expanded, NULL) == -1 ) {
		Com_Printf ("Can't find map %s\n", expanded);
		return;
	}

	// force latched values to get set
	Cvar_Get ("g_gametype", "0", CVAR_SERVERINFO | CVAR_USERINFO | CVAR_LATCH );

	cmd = Cmd_Argv(0);
	if( Q_stricmpn( cmd, "sp", 2 ) == 0 ) {
		Cvar_SetValue( "g_gametype", GT_SINGLE_PLAYER );
		Cvar_SetValue( "g_doWarmup", 0 );
		// may not set sv_maxclients directly, always set latched
		Cvar_SetLatched( "sv_maxclients", "8" );
		cmd += 2;
		cheat = qfalse;
		killBots = qtrue;
	}
	else {
		if ( !Q_stricmp( cmd, "devmap" ) || !Q_stricmp( cmd, "spdevmap" ) ) {
			cheat = qtrue;
			killBots = qtrue;
		} else {
			cheat = qfalse;
			killBots = qfalse;
		}
		if( sv_gametype->integer == GT_SINGLE_PLAYER ) {
			Cvar_SetValue( "g_gametype", GT_FFA );
		}
	}

	// save the map name here cause on a map restart we reload the q3config.cfg
	// and thus nuke the arguments of the map command
	Q_strncpyz(mapname, map, sizeof(mapname));

	// start up the map
	SV_SpawnServer( mapname, killBots );

	// set the cheat value
	// if the level was started with "map <levelname>", then
	// cheats will not be allowed.  If started with "devmap <levelname>"
	// then cheats will be allowed
	if ( cheat ) {
		Cvar_Set( "sv_cheats", "1" );
	} else {
		Cvar_Set( "sv_cheats", "0" );
	}
}

/*
================
SV_MapRestart_f

Completely restarts a level, but doesn't send a new gamestate to the clients.
This allows fair starts with variable load times.
================
*/
static void SV_MapRestart_f( void ) {
	int			i;
	client_t	*client;
	char		*denied;
	qboolean	isBot;
	int			delay;

	// make sure we aren't restarting twice in the same frame
	if ( com_frameTime == sv.serverId ) {
		return;
	}

	// make sure server is running
	if ( !com_sv_running->integer ) {
		Com_Printf( "Server is not running.\n" );
		return;
	}

	if ( sv.restartTime ) {
		return;
	}

	if (Cmd_Argc() > 1 ) {
		delay = atoi( Cmd_Argv(1) );
	}
	else {
		delay = 5;
	}
	if( delay && !Cvar_VariableValue("g_doWarmup") ) {
		sv.restartTime = svs.time + delay * 1000;
		SV_SetConfigstring( CS_WARMUP, va("%i", sv.restartTime) );
		return;
	}

	// check for changes in variables that can't just be restarted
	// check for maxclients change
	if ( sv_maxclients->modified || sv_gametype->modified ) {
		char	mapname[MAX_QPATH];

		Com_Printf( "variable change -- restarting.\n" );
		// restart the map the slow way
		Q_strncpyz( mapname, Cvar_VariableString( "mapname" ), sizeof( mapname ) );

		SV_SpawnServer( mapname, qfalse );
		return;
	}

	// toggle the server bit so clients can detect that a
	// map_restart has happened
	svs.snapFlagServerBit ^= SNAPFLAG_SERVERCOUNT;

	// generate a new serverid	
	// TTimo - don't update restartedserverId there, otherwise we won't deal correctly with multiple map_restart
	sv.serverId = com_frameTime;
	Cvar_Set( "sv_serverid", va("%i", sv.serverId ) );

	// reset all the vm data in place without changing memory allocation
	// note that we do NOT set sv.state = SS_LOADING, so configstrings that
	// had been changed from their default values will generate broadcast updates
	sv.state = SS_LOADING;
	sv.restarting = qtrue;

	SV_RestartGameProgs();

	// run a few frames to allow everything to settle
	for ( i = 0 ;i < 3 ; i++ ) {
		VM_Call( gvm, GAME_RUN_FRAME, svs.time );
		svs.time += 100;
	}

	sv.state = SS_GAME;
	sv.restarting = qfalse;

	// connect and begin all the clients
	for (i=0 ; i<sv_maxclients->integer ; i++) {
		client = &svs.clients[i];

		// send the new gamestate to all connected clients
		if ( client->state < CS_CONNECTED) {
			continue;
		}

		if ( client->netchan.remoteAddress.type == NA_BOT ) {
			isBot = qtrue;
		} else {
			isBot = qfalse;
		}

		// add the map_restart command
		SV_AddServerCommand( client, "map_restart\n" );

		// connect the client again, without the firstTime flag
		denied = VM_ExplicitArgPtr( gvm, VM_Call( gvm, GAME_CLIENT_CONNECT, i, qfalse, isBot ) );
		if ( denied ) {
			// this generally shouldn't happen, because the client
			// was connected before the level change
			SV_DropClient( client, denied );
			Com_Printf( "SV_MapRestart_f(%d): dropped client %i - denied!\n", delay, i ); // bk010125
			continue;
		}

		client->state = CS_ACTIVE;

		SV_ClientEnterWorld( client, &client->lastUsercmd );
	}	

	// run another frame to allow things to look at all the players
	VM_Call( gvm, GAME_RUN_FRAME, svs.time );
	svs.time += 100;
}

//===============================================================

/*
==================
SV_Kick_f

Kick a user off of the server  FIXME: move to game
==================
*/
static void SV_Kick_f( void ) {
	client_t	*cl;
	int			i;

	// make sure server is running
	if ( !com_sv_running->integer ) {
		Com_Printf( "Server is not running.\n" );
		return;
	}

	if ( Cmd_Argc() != 2 ) {
		Com_Printf ("Usage: kick <player name>\nkick all = kick everyone\nkick allbots = kick all bots\n");
		return;
	}

	cl = SV_GetPlayerByName();
	if ( !cl ) {
		if ( !Q_stricmp(Cmd_Argv(1), "all") ) {
			for ( i=0, cl=svs.clients ; i < sv_maxclients->integer ; i++,cl++ ) {
				if ( !cl->state ) {
					continue;
				}
				if( cl->netchan.remoteAddress.type == NA_LOOPBACK ) {
					continue;
				}
				SV_DropClient( cl, "was kicked" );
				cl->lastPacketTime = svs.time;	// in case there is a funny zombie
			}
		}
		else if ( !Q_stricmp(Cmd_Argv(1), "allbots") ) {
			for ( i=0, cl=svs.clients ; i < sv_maxclients->integer ; i++,cl++ ) {
				if ( !cl->state ) {
					continue;
				}
				if( cl->netchan.remoteAddress.type != NA_BOT ) {
					continue;
				}
				SV_DropClient( cl, "was kicked" );
				cl->lastPacketTime = svs.time;	// in case there is a funny zombie
			}
		}
		return;
	}
	if( cl->netchan.remoteAddress.type == NA_LOOPBACK ) {
		SV_SendServerCommand(NULL, "print \"%s\"", "Cannot kick host player\n");
		return;
	}

	SV_DropClient( cl, "was kicked" );
	cl->lastPacketTime = svs.time;	// in case there is a funny zombie
}

/*