136 lines
3.5 KiB
C++
136 lines
3.5 KiB
C++
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// multiplay.cxx -- protocol object for multiplay in Flightgear
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//
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// Written by Diarmuid Tyson, started February 2003.
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// diarmuid.tyson@airservicesaustralia.com
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//
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// Copyright (C) 2003 Airservices Australia
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//
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// This program is free software; you can redistribute it and/or
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// modify it under the terms of the GNU General Public License as
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// published by the Free Software Foundation; either version 2 of the
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// License, or (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful, but
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// WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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// General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program; if not, write to the Free Software
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// Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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//
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#include <simgear/compiler.h>
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#include STL_STRING
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#include <iostream.h>
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#include <simgear/debug/logstream.hxx>
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#include "multiplay.hxx"
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SG_USING_STD(string);
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// These constants are provided so that the ident command can list file versions.
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const char sFG_MULTIPLAY_BID[] = "$Id$";
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const char sFG_MULTIPLAY_HID[] = FG_MULTIPLAY_HID;
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/******************************************************************
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* Name: FGMultiplay
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* Description: Constructor. Initialises the protocol and stores
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* host and port information.
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******************************************************************/
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FGMultiplay::FGMultiplay (const string &dir, const int rate, const string &host, const int port) {
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set_hz(rate);
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set_direction(dir);
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if (get_direction() == SG_IO_IN) {
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fgSetInt("/sim/multiplay/rxport", port);
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fgSetString("/sim/multiplay/rxhost", host.c_str());
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} else if (get_direction() == SG_IO_OUT) {
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fgSetInt("/sim/multiplay/txport", port);
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fgSetString("/sim/multiplay/txhost", host.c_str());
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}
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}
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/******************************************************************
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* Name: ~FGMultiplay
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* Description: Destructor.
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******************************************************************/
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FGMultiplay::~FGMultiplay () {
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}
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/******************************************************************
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* Name: open
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* Description: Enables the protocol.
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******************************************************************/
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bool FGMultiplay::open() {
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if ( is_enabled() ) {
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SG_LOG( SG_IO, SG_ALERT, "This shouldn't happen, but the channel "
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<< "is already in use, ignoring" );
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return false;
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}
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set_enabled(true);
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return is_enabled();
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}
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/******************************************************************
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* Name: process
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* Description: Prompts the multiplayer mgr to either send
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* or receive data over the network
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******************************************************************/
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bool FGMultiplay::process() {
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if (get_direction() == SG_IO_IN) {
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globals->get_multiplayer_rx_mgr()->ProcessData();
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} else if (get_direction() == SG_IO_OUT) {
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globals->get_multiplayer_tx_mgr()->
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SendMyPosition(globals->get_aircraft_model()->get3DModel()->get_POS());
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}
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return true;
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}
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/******************************************************************
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* Name: close
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* Description: Closes the multiplayer mgrs to stop any further
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* network processing
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******************************************************************/
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bool FGMultiplay::close() {
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if (get_direction() == SG_IO_IN) {
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globals->get_multiplayer_rx_mgr()->Close();
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} else if (get_direction() == SG_IO_OUT) {
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globals->get_multiplayer_tx_mgr()->Close();
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}
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return true;
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}
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