Method ExecuteMapChange

neo/framework/Session.cpp:1547–1762

=============== idSessionLocal::ExecuteMapChange Performs the initialization of a game based on mapSpawnData, used for both single player and multiplayer, but not for renderDemos, which don't create a game at all. Exits with mapSpawned = true =============== */

===============
*/
void idSessionLocal::ExecuteMapChange( bool noFadeWipe ) {
	int		i;
	bool	reloadingSameMap;

	// close console and remove any prints from the notify lines
	console->Close();

	if ( IsMultiplayer() ) {
		// make sure the mp GUI isn't up, or when players get back in the
		// map, mpGame's menu and the gui will be out of sync.
		SetGUI( NULL, NULL );
	}

	// mute sound
	soundSystem->SetMute( true );

	// clear all menu sounds
	menuSoundWorld->ClearAllSoundEmitters();

	// unpause the game sound world
	// NOTE: we UnPause again later down. not sure this is needed
	if ( sw->IsPaused() ) {
		sw->UnPause();
	}

	if ( !noFadeWipe ) {
		// capture the current screen and start a wipe
		StartWipe( "wipeMaterial", true );

		// immediately complete the wipe to fade out the level transition
		// run the wipe to completion
		CompleteWipe();
	}

	// extract the map name from serverinfo
	idStr mapString = mapSpawnData.serverInfo.GetString( "si_map" );

	idStr fullMapName = "maps/";
	fullMapName += mapString;
	fullMapName.StripFileExtension();

	// shut down the existing game if it is running
	UnloadMap();

	// don't do the deferred caching if we are reloading the same map
	if ( fullMapName == currentMapName ) {
		reloadingSameMap = true;
	} else {
		reloadingSameMap = false;
		currentMapName = fullMapName;
	}

	// note which media we are going to need to load
	if ( !reloadingSameMap ) {
		declManager->BeginLevelLoad();
		renderSystem->BeginLevelLoad();
		soundSystem->BeginLevelLoad();
	}