g_cmds.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 "g_local.h"

#include "../../ui/menudef.h"			// for the voice chats

/*
==================
DeathmatchScoreboardMessage

==================
*/
void DeathmatchScoreboardMessage( gentity_t *ent ) {
	char		entry[1024];
	char		string[1400];
	int			stringlength;
	int			i, j;
	gclient_t	*cl;
	int			numSorted, scoreFlags, accuracy, perfect;

	// send the latest information on all clients
	string[0] = 0;
	stringlength = 0;
	scoreFlags = 0;

	numSorted = level.numConnectedClients;
	
	for (i=0 ; i < numSorted ; i++) {
		int		ping;

		cl = &level.clients[level.sortedClients[i]];

		if ( cl->pers.connected == CON_CONNECTING ) {
			ping = -1;
		} else {
			ping = cl->ps.ping < 999 ? cl->ps.ping : 999;
		}

		if( cl->accuracy_shots ) {
			accuracy = cl->accuracy_hits * 100 / cl->accuracy_shots;
		}
		else {
			accuracy = 0;
		}
		perfect = ( cl->ps.persistant[PERS_RANK] == 0 && cl->ps.persistant[PERS_KILLED] == 0 ) ? 1 : 0;

		Com_sprintf (entry, sizeof(entry),
			" %i %i %i %i %i %i %i %i %i %i %i %i %i %i", level.sortedClients[i],
			cl->ps.persistant[PERS_SCORE], ping, (level.time - cl->pers.enterTime)/60000,
			scoreFlags, g_entities[level.sortedClients[i]].s.powerups, accuracy, 
			cl->ps.persistant[PERS_IMPRESSIVE_COUNT],
			cl->ps.persistant[PERS_EXCELLENT_COUNT],
			cl->ps.persistant[PERS_GAUNTLET_FRAG_COUNT], 
			cl->ps.persistant[PERS_DEFEND_COUNT], 
			cl->ps.persistant[PERS_ASSIST_COUNT], 
			perfect,
			cl->ps.persistant[PERS_CAPTURES]);
		j = strlen(entry);
		if (stringlength + j > 1024)
			break;
		strcpy (string + stringlength, entry);
		stringlength += j;
	}

	trap_SendServerCommand( ent-g_entities, va("scores %i %i %i%s", i, 
		level.teamScores[TEAM_RED], level.teamScores[TEAM_BLUE],
		string ) );
}


/*
==================
Cmd_Score_f

Request current scoreboard information
==================
*/
void Cmd_Score_f( gentity_t *ent ) {
	DeathmatchScoreboardMessage( ent );
}



/*
==================
CheatsOk
==================
*/
qboolean	CheatsOk( gentity_t *ent ) {
	if ( !g_cheats.integer ) {
		trap_SendServerCommand( ent-g_entities, va("print \"Cheats are not enabled on this server.\n\""));
		return qfalse;
	}
	if ( ent->health <= 0 ) {
		trap_SendServerCommand( ent-g_entities, va("print \"You must be alive to use this command.\n\""));
		return qfalse;
	}
	return qtrue;
}


/*
==================
ConcatArgs
==================
*/
char	*ConcatArgs( int start ) {
	int		i, c, tlen;
	static char	line[MAX_STRING_CHARS];
	int		len;
	char	arg[MAX_STRING_CHARS];

	len = 0;
	c = trap_Argc();
	for ( i = start ; i < c ; i++ ) {
		trap_Argv( i, arg, sizeof( arg ) );
		tlen = strlen( arg );
		if ( len + tlen >= MAX_STRING_CHARS - 1 ) {
			break;
		}
		memcpy( line + len, arg, tlen );
		len += tlen;
		if ( i != c - 1 ) {
			line[len] = ' ';
			len++;
		}
	}

	line[len] = 0;

	return line;
}

/*
==================
SanitizeString

Remove case and control characters
==================
*/
void SanitizeString( char *in, char *out ) {
	while ( *in ) {
		if ( *in == 27 ) {
			in += 2;		// skip color code
			continue;
		}
		if ( *in < 32 ) {
			in++;
			continue;
		}
		*out++ = tolower( *in++ );
	}

	*out = 0;
}

/*
==================
ClientNumberFromString

Returns a player number for either a number or name string
Returns -1 if invalid
==================
*/
int ClientNumberFromString( gentity_t *to, char *s ) {
	gclient_t	*cl;
	int			idnum;
	char		s2[MAX_STRING_CHARS];
	char		n2[MAX_STRING_CHARS];

	// numeric values are just slot numbers
	if (s[0] >= '0' && s[0] <= '9') {
		idnum = atoi( s );
		if ( idnum < 0 || idnum >= level.maxclients ) {
			trap_SendServerCommand( to-g_entities, va("print \"Bad client slot: %i\n\"", idnum));
			return -1;
		}

		cl = &level.clients[idnum];
		if ( cl->pers.connected != CON_CONNECTED ) {
			trap_SendServerCommand( to-g_entities, va("print \"Client %i is not active\n\"", idnum));
			return -1;
		}
		return idnum;
	}

	// check for a name match
	SanitizeString( s, s2 );
	for ( idnum=0,cl=level.clients ; idnum < level.maxclients ; idnum++,cl++ ) {
		if ( cl->pers.connected != CON_CONNECTED ) {
			continue;
		}
		SanitizeString( cl->pers.netname, n2 );
		if ( !strcmp( n2, s2 ) ) {
			return idnum;
		}
	}

	trap_SendServerCommand( to-g_entities, va("print \"User %s is not on the server\n\"", s));
	return -1;
}

/*
==================
Cmd_Give_f

Give items to a client
==================
*/
void Cmd_Give_f (gentity_t *ent)
{
	char		*name;
	gitem_t		*it;
	int			i;
	qboolean	give_all;
	gentity_t		*it_ent;
	trace_t		trace;

	if ( !CheatsOk( ent ) ) {
		return;
	}

	name = ConcatArgs( 1 );

	if (Q_stricmp(name, "all") == 0)
		give_all = qtrue;
	else
		give_all = qfalse;

	if (give_all || Q_stricmp( name, "health") == 0)
	{
		ent->health = ent->client->ps.stats[STAT_MAX_HEALTH];
		if (!give_all)
			return;
	}

	if (give_all || Q_stricmp(name, "weapons") == 0)
	{
		ent->client->ps.stats[STAT_WEAPONS] = (1 << WP_NUM_WEAPONS) - 1 - 
			( 1 << WP_GRAPPLING_HOOK ) - ( 1 << WP_NONE );
		if (!give_all)
			return;
	}

	if (give_all || Q_stricmp(name, "ammo") == 0)
	{
		for ( i = 0 ; i < MAX_WEAPONS ; i++ ) {
			ent->client->ps.ammo[i] = 999;
		}
		if (!give_all)
			return;
	}

	if (give_all || Q_stricmp(name, "armor") == 0)
	{
		ent->client->ps.stats[STAT_ARMOR] = 200;

		if (!give_all)
			return;
	}

	if (Q_stricmp(name, "excellent") == 0) {
		ent->client->ps.persistant[PERS_EXCELLENT_COUNT]++;
		return;
	}
	if (Q_stricmp(name, "impressive") == 0) {
		ent->client->ps.persistant[PERS_IMPRESSIVE_COUNT]++;
		return;
	}
	if (Q_stricmp(name, "gauntletaward") == 0) {
		ent->client->ps.persistant[PERS_GAUNTLET_FRAG_COUNT]++;
		return;
	}
	if (Q_stricmp(name, "defend") == 0) {
		ent->client->ps.persistant[PERS_DEFEND_COUNT]++;
		return;
	}
	if (Q_stricmp(name, "assist") == 0) {
		ent->client->ps.persistant[PERS_ASSIST_COUNT]++;
		return;
	}

	// spawn a specific item right on the player
	if ( !give_all ) {
		it = BG_FindItem (name);
		if (!it) {
			return;
		}

		it_ent = G_Spawn();
		VectorCopy( ent->r.currentOrigin, it_ent->s.origin );
		it_ent->classname = it->classname;
		G_SpawnItem (it_ent, it);
		FinishSpawningItem(it_ent );
		memset( &trace, 0, sizeof( trace ) );
		Touch_Item (it_ent, ent, &trace);
		if (it_ent->inuse) {
			G_FreeEntity( it_ent );
		}
	}
}


/*
==================
Cmd_God_f

Sets client to godmode

argv(0) god
==================
*/
void Cmd_God_f (gentity_t *ent)
{
	char	*msg;

	if ( !CheatsOk( ent ) ) {
		return;
	}

	ent->flags ^= FL_GODMODE;
	if (!(ent->flags & FL_GODMODE) )
		msg = "godmode OFF\n";
	else
		msg = "godmode ON\n";

	trap_SendServerCommand( ent-g_entities, va("print \"%s\"", msg));
}


/*
==================
Cmd_Notarget_f

Sets client to notarget

argv(0) notarget
==================
*/
void Cmd_Notarget_f( gentity_t *ent ) {
	char	*msg;

	if ( !CheatsOk( ent ) ) {
		return;
	}

	ent->flags ^= FL_NOTARGET;
	if (!(ent->flags & FL_NOTARGET) )
		msg = "notarget OFF\n";
	else
		msg = "notarget ON\n";

	trap_SendServerCommand( ent-g_entities, va("print \"%s\"", msg));
}


/*
==================
Cmd_Noclip_f

argv(0) noclip
==================
*/
void Cmd_Noclip_f( gentity_t *ent ) {
	char	*msg;

	if ( !CheatsOk( ent ) ) {
		return;
	}

	if ( ent->client->noclip ) {
		msg = "noclip OFF\n";
	} else {
		msg = "noclip ON\n";
	}
	ent->client->noclip = !ent->client->noclip;

	trap_SendServerCommand( ent-g_entities, va("print \"%s\"", msg));
}


/*
==================
Cmd_LevelShot_f

This is just to help generate the level pictures
for the menus.  It goes to the intermission immediately
and sends over a command to the client to resize the view,
hide the scoreboard, and take a special screenshot
==================
*/
void Cmd_LevelShot_f( gentity_t *ent ) {
	if ( !CheatsOk( ent ) ) {
		return;
	}

	// doesn't work in single player
	if ( g_gametype.integer != 0 ) {
		trap_SendServerCommand( ent-g_entities, 
			"print \"Must be in g_gametype 0 for levelshot\n\"" );
		return;
	}

	BeginIntermission();
	trap_SendServerCommand( ent-g_entities, "clientLevelShot" );
}


/*
==================
Cmd_LevelShot_f

This is just to help generate the level pictures
for the menus.  It goes to the intermission immediately
and sends over a command to the client to resize the view,
hide the scoreboard, and take a special screenshot
==================
*/
void Cmd_TeamTask_f( gentity_t *ent ) {
	char userinfo[MAX_INFO_STRING];
	char		arg[MAX_TOKEN_CHARS];
	int task;
	int client = ent->client - level.clients;

	if ( trap_Argc() != 2 ) {
		return;
	}
	trap_Argv( 1, arg, sizeof( arg ) );
	task = atoi( arg );

	trap_GetUserinfo(client, userinfo, sizeof(userinfo));
	Info_SetValueForKey(userinfo, "teamtask", va("%d", task));
	trap_SetUserinfo(client, userinfo);
	ClientUserinfoChanged(client);
}



/*
=================
Cmd_Kill_f
=================
*/
void Cmd_Kill_f( gentity_t *ent ) {
	if ( ent->client->sess.sessionTeam == TEAM_SPECTATOR ) {
		return;
	}
	if (ent->health <= 0) {
		return;
	}
	ent->flags &= ~FL_GODMODE;
	ent->client->ps.stats[STAT_HEALTH] = ent->health = -999;
	player_die (ent, ent, ent, 100000, MOD_SUICIDE);
}

/*
=================
BroadCastTeamChange

Let everyone know about a team change
=================
*/
void BroadcastTeamChange( gclient_t *client, int oldTeam )
{
	if ( client->sess.sessionTeam == TEAM_RED ) {
		trap_SendServerCommand( -1, va("cp \"%s" S_COLOR_WHITE " joined the red team.\n\"",
			client->pers.netname) );
	} else if ( client->sess.sessionTeam == TEAM_BLUE ) {
		trap_SendServerCommand( -1, va("cp \"%s" S_COLOR_WHITE " joined the blue team.\n\"",
		client->pers.netname));
	} else if ( client->sess.sessionTeam == TEAM_SPECTATOR && oldTeam != TEAM_SPECTATOR ) {
		trap_SendServerCommand( -1, va("cp \"%s" S_COLOR_WHITE " joined the spectators.\n\"",
		client->pers.netname));
	} else if ( client->sess.sessionTeam == TEAM_FREE ) {
		trap_SendServerCommand( -1, va("cp \"%s" S_COLOR_WHITE " joined the battle.\n\"",
		client->pers.netname));
	}
}

/*
=================
SetTeam
=================
*/
void SetTeam( gentity_t *ent, char *s ) {
	int					team, oldTeam;
	gclient_t			*client;
	int					clientNum;
	spectatorState_t	specState;
	int					specClient;
	int					teamLeader;

	//
	// see what change is requested
	//
	client = ent->client;

	clientNum = client - level.clients;
	specClient = 0;
	specState = SPECTATOR_NOT;
	if ( !Q_stricmp( s, "scoreboard" ) || !Q_stricmp( s, "score" )  ) {
		team = TEAM_SPECTATOR;
		specState = SPECTATOR_SCOREBOARD;
	} else if ( !Q_stricmp( s, "follow1" ) ) {
		team = TEAM_SPECTATOR;
		specState = SPECTATOR_FOLLOW;
		specClient = -1;
	} else if ( !Q_stricmp( s, "follow2" ) ) {
		team = TEAM_SPECTATOR;
		specState = SPECTATOR_FOLLOW;
		specClient = -2;
	} else if ( !Q_stricmp( s, "spectator" ) || !Q_stricmp( s, "s" ) ) {
		team = TEAM_SPECTATOR;
		specState = SPECTATOR_FREE;
	} else if ( g_gametype.integer >= GT_TEAM ) {
		// if running a team game, assign player to one of the teams
		specState = SPECTATOR_NOT;
		if ( !Q_stricmp( s, "red" ) || !Q_stricmp( s, "r" ) ) {
			team = TEAM_RED;
		} else if ( !Q_stricmp( s, "blue" ) || !Q_stricmp( s, "b" ) ) {
			team = TEAM_BLUE;
		} else {
			// pick the team with the least number of players
			team = PickTeam( clientNum );
		}

		if ( g_teamForceBalance.integer  ) {
			int		counts[TEAM_NUM_TEAMS];

			counts[TEAM_BLUE] = TeamCount( ent->client->ps.clientNum, TEAM_BLUE );
			counts[TEAM_RED] = TeamCount( ent->client->ps.clientNum, TEAM_RED );

			// We allow a spread of two
			if ( team == TEAM_RED && counts[TEAM_RED] - counts[TEAM_BLUE] > 1 ) {
				trap_SendServerCommand( ent->client->ps.clientNum, 
					"cp \"Red team has too many players.\n\"" );
				return; // ignore the request
			}
			if ( team == TEAM_BLUE && counts[TEAM_BLUE] - counts[TEAM_RED] > 1 ) {
				trap_SendServerCommand( ent->client->ps.clientNum, 
					"cp \"Blue team has too many players.\n\"" );
				return; // ignore the request
			}

			// It's ok, the team we are switching to has less or same number of players
		}

	} else {