ref: gl: remove usage of PARM_MAX_CLIENTS

ref/gl/gl_studio.c

@@ -3297,7 +3297,7 @@ static int R_StudioDrawPlayer( int flags, entity_state_t *pplayer )
 
 	m_nPlayerIndex = pplayer->number - 1;
 
-	if( m_nPlayerIndex < 0 || m_nPlayerIndex >= ENGINE_GET_PARM( PARM_MAX_CLIENTS ) )
+	if( m_nPlayerIndex < 0 || m_nPlayerIndex >= gp_cl->maxclients )
 		return 0;
 
 	RI.currentmodel = R_StudioSetupPlayerModel( m_nPlayerIndex );
@@ -3379,7 +3379,7 @@ static int R_StudioDrawPlayer( int flags, entity_state_t *pplayer )
 			RI.currententity->curstate.body = 255;
 		}
 
-		if( !( !gpGlobals->developer && ENGINE_GET_PARM( PARM_MAX_CLIENTS ) == 1 ) && ( RI.currentmodel == RI.currententity->model ))
+		if( !( !gpGlobals->developer && gp_cl->maxclients == 1 ) && ( RI.currentmodel == RI.currententity->model ))
 			RI.currententity->curstate.body = 1; // force helmet
 
 		lighting.plightvec = dir;
@@ -3442,7 +3442,7 @@ static int R_StudioDrawModel( int flags )
 		int		result;
 
 		if( RI.currententity->curstate.renderamt <= 0 ||
-			RI.currententity->curstate.renderamt > ENGINE_GET_PARM( PARM_MAX_CLIENTS ) )
+			RI.currententity->curstate.renderamt > gp_cl->maxclients )
 			return 0;
 
 		// get copy of player