itgmania212121/stepmania/src/StepMania.cpp

#include "global.h"
/*
-----------------------------------------------------------------------------
 File: StepMania.cpp

 Desc: Entry point for program.

 Copyright (c) 2001-2002 by the person(s) listed below.  All rights reserved.
	Chris Danford
-----------------------------------------------------------------------------
*/

#include "StepMania.h"

//
// Rage global classes
//
#include "RageLog.h"
#include "RageTextureManager.h"
#include "RageSoundManager.h"
#include "RageSounds.h"
#include "RageInput.h"
#include "RageTimer.h"
#include "RageException.h"
#include "RageMath.h"
#include "RageDisplay.h"

#include "arch/arch.h"
#include "arch/LoadingWindow/LoadingWindow.h"
#include "time.h"

#include "SDL_utils.h"

#include "Screen.h"
#include "CodeDetector.h"

//
// StepMania global classes
//
#include "ThemeManager.h"
#include "NoteSkinManager.h"
#include "PrefsManager.h"
#include "SongManager.h"
#include "GameState.h"
#include "AnnouncerManager.h"
#include "ProfileManager.h"
#include "MemoryCardManager.h"
#include "ScreenManager.h"
#include "GameManager.h"
#include "FontManager.h"
#include "InputFilter.h"
#include "InputMapper.h"
#include "InputQueue.h"
#include "SongCacheIndex.h"
#include "BannerCache.h"
#include "UnlockSystem.h"
#include "arch/ArchHooks/ArchHooks.h"
#include "RageFileManager.h"
#include "Bookkeeper.h"
#include "LightsManager.h"
#include "ModelManager.h"
#include "CryptManager.h"


#if defined(_XBOX)
	#include "custom_launch_params.h"
	#ifdef _DEBUG
	#pragma comment(lib, "SDL-1.2.6/lib/xboxSDLmaind.lib")
	#else
	#pragma comment(lib, "SDL-1.2.6/lib/xboxSDLmain.lib")
	#endif	
#elif defined(_WINDOWS)
	#ifdef DEBUG
	#pragma comment(lib, "SDL-1.2.6/lib/SDLmaind.lib")
	#else
	#pragma comment(lib, "SDL-1.2.6/lib/SDLmain.lib")
	#endif	
#endif

#define ZIPS_DIR "Packages/"

#ifdef _WINDOWS
HWND g_hWndMain = NULL;
#endif

int g_argc = 0;
char **g_argv = NULL;

static bool g_bHasFocus = true;
static bool g_bQuitting = false;

CString InitialWorkingDirectory;
CString DirOfExecutable;

static void ChangeToDirOfExecutable(const char *argv0)
{
#ifdef _XBOX
	DirOfExecutable = "D:\\";
	InitialWorkingDirectory = "D:\\";
	return;
#else

	char tmp[1024];
	getcwd( tmp, 1024 );
	tmp[1023] = 0;
	InitialWorkingDirectory = tmp;

	DirOfExecutable = argv0;
	DirOfExecutable.Replace( "\\", "/" );

	bool IsAbsolutePath = false;
	if( DirOfExecutable.size() == 0 || DirOfExecutable[0] == '/' )
		IsAbsolutePath = true;
#if defined(_WIN32)
	if( DirOfExecutable.size() > 2 && DirOfExecutable[1] == ':' && DirOfExecutable[2] == '/' )
		IsAbsolutePath = true;
#endif

	// strip off executable name
	unsigned n = DirOfExecutable.find_last_of("/");
	if( n != DirOfExecutable.npos )
		DirOfExecutable.erase(n);
	else
		DirOfExecutable.erase();

	if( !IsAbsolutePath )
	{
		DirOfExecutable = GetCwd() + "/" + DirOfExecutable;
		DirOfExecutable.Replace( "\\", "/" );
	}

	/* Set the CWD.  Any effects of this is platform-specific; most files are read and
	 * written through RageFile.  See also RageFileManager::RageFileManager. */
#if defined(_WIN32)
	chdir( DirOfExecutable + "/.." );
#elif defined(DARWIN)
	chdir(DirOfExecutable + "/../../..");
#endif
	
#endif
}

void UpdateHWnd()
{
#ifdef _WINDOWS
	/* Grab the window manager specific information */
	SDL_SysWMinfo info;
	SDL_VERSION(&info.version);
	if ( SDL_GetWMInfo(&info) < 0 ) 
		RageException::Throw( "SDL_GetWMInfo failed" );

	g_hWndMain = info.window;
#endif
}

static RageDisplay::VideoModeParams GetCurVideoModeParams()
{
	return RageDisplay::VideoModeParams(
			PREFSMAN->m_bWindowed,
			PREFSMAN->m_iDisplayWidth,
			PREFSMAN->m_iDisplayHeight,
			PREFSMAN->m_iDisplayColorDepth,
			PREFSMAN->m_iRefreshRate,
			PREFSMAN->m_bVsync,
			PREFSMAN->m_bInterlaced,
			PREFSMAN->m_bSmoothLines,
			THEME->GetMetric("Common","WindowTitle"),
			THEME->GetPathToG("Common window icon")
#ifdef _XBOX
			, PREFSMAN->m_bPAL
#endif
	);
}

static void StoreActualGraphicOptions( bool initial )
{
	// find out what we actually have
	PREFSMAN->m_bWindowed = DISPLAY->GetVideoModeParams().windowed;
	PREFSMAN->m_iDisplayWidth = DISPLAY->GetVideoModeParams().width;
	PREFSMAN->m_iDisplayHeight = DISPLAY->GetVideoModeParams().height;
	PREFSMAN->m_iDisplayColorDepth = DISPLAY->GetVideoModeParams().bpp;
	PREFSMAN->m_iRefreshRate = DISPLAY->GetVideoModeParams().rate;
	PREFSMAN->m_bVsync = DISPLAY->GetVideoModeParams().vsync;

	CString log = ssprintf("%s %dx%d %d color %d texture %dHz %s %s",
		PREFSMAN->m_bWindowed ? "Windowed" : "Fullscreen",
		PREFSMAN->m_iDisplayWidth, 
		PREFSMAN->m_iDisplayHeight, 
		PREFSMAN->m_iDisplayColorDepth, 
		PREFSMAN->m_iTextureColorDepth, 
		PREFSMAN->m_iRefreshRate,
		PREFSMAN->m_bVsync ? "Vsync" : "NoVsync",
		PREFSMAN->m_bSmoothLines? "AA" : "NoAA" );
	if( initial )
		LOG->Info( "%s", log.c_str() );
	else
		SCREENMAN->SystemMessage( log );
}

void ApplyGraphicOptions()
{ 
	bool bNeedReload = false;

	bNeedReload |= DISPLAY->SetVideoMode( GetCurVideoModeParams() );

	DISPLAY->ChangeCentering(
		PREFSMAN->m_iCenterImageTranslateX, 
		PREFSMAN->m_iCenterImageTranslateY,
		PREFSMAN->m_fCenterImageScaleX,
		PREFSMAN->m_fCenterImageScaleY );

	bNeedReload |= TEXTUREMAN->SetPrefs( 
		PREFSMAN->m_iTextureColorDepth, 
		PREFSMAN->m_iMovieColorDepth,
		PREFSMAN->m_bDelayedTextureDelete, 
		PREFSMAN->m_iMaxTextureResolution );

	if( bNeedReload )
		TEXTUREMAN->ReloadAll();

	StoreActualGraphicOptions( false );

	/* Recreating the window changes the hwnd. */
	UpdateHWnd();

	/* Give the input handlers a chance to re-open devices as necessary. */
	INPUTMAN->WindowReset();
}

void ExitGame()
{
	g_bQuitting = true;
}

void ResetGame( bool ReturnToFirstScreen )
{
	GAMESTATE->Reset();
	ReadGamePrefsFromDisk();
	INPUTMAPPER->ReadMappingsFromDisk();

	NOTESKIN->RefreshNoteSkinData( GAMESTATE->m_CurGame );

	/*
	GameState::Reset() will switch the NoteSkin
	for( int p=0; p<NUM_PLAYERS; p++ )
	{
		PlayerNumber pn = (PlayerNumber)p;
		if( !NOTESKIN->DoesNoteSkinExist( NOTESKIN->GetCurNoteSkinName(pn) ) )
		{
			CStringArray asNoteSkinNames;
			NOTESKIN->GetNoteSkinNames( asNoteSkinNames );
			NOTESKIN->SwitchNoteSkin( pn, asNoteSkinNames[0] );
		}
	}
	*/
	if( !THEME->DoesThemeExist( THEME->GetCurThemeName() ) )
	{
		CString sGameName = GAMESTATE->GetCurrentGameDef()->m_szName;
		if( THEME->DoesThemeExist( sGameName ) )
			THEME->SwitchThemeAndLanguage( sGameName, THEME->GetCurLanguage() );
		else
			THEME->SwitchThemeAndLanguage( "default", THEME->GetCurLanguage() );
		TEXTUREMAN->DoDelayedDelete();
	}
	SaveGamePrefsToDisk();

	PREFSMAN->m_bFirstRun = false;


	//
	// update last seen joysticks
	//
	vector<InputDevice> vDevices;
	vector<CString> vDescriptions;
	INPUTMAN->GetDevicesAndDescriptions(vDevices,vDescriptions);
	CString sInputDevices = join( ",", vDescriptions );

	if( PREFSMAN->m_sLastSeenInputDevices != sInputDevices )
	{
		LOG->Info( "Input devices changed from '%s' to '%s'.", PREFSMAN->m_sLastSeenInputDevices.c_str(), sInputDevices.c_str() );

		if( PREFSMAN->m_bAutoMapOnJoyChange )
		{
			LOG->Info( "Remapping joysticks." );
			INPUTMAPPER->AutoMapJoysticksForCurrentGame();
		}

		PREFSMAN->m_sLastSeenInputDevices = sInputDevices;
	}


	if( ReturnToFirstScreen )
		SCREENMAN->SetNewScreen( THEME->GetMetric("Common","InitialScreen") );
}

static void GameLoop();

static bool ChangeAppPri()
{
	if(PREFSMAN->m_iBoostAppPriority == 0)
		return false;

	// if using NTPAD don't boost or else input is laggy
	if(PREFSMAN->m_iBoostAppPriority == -1)
	{	vector<InputDevice> vDevices;
		vector<CString> vDescriptions;
		INPUTMAN->GetDevicesAndDescriptions(vDevices,vDescriptions);
		CString sInputDevices = join( ",", vDescriptions );
		if( sInputDevices.Find("NTPAD") != -1 )
		{
			LOG->Trace( "Using NTPAD.  Don't boost priority." );
			return false;
		}
	}

	/* If -1 and this is a debug build, don't.  It makes the debugger sluggish. */
#ifdef DEBUG
	if(PREFSMAN->m_iBoostAppPriority == -1)
		return false;
#endif

	return true;
}

static void BoostAppPri()
{
	if(!ChangeAppPri())
		return;

#ifdef _WINDOWS
	/* We just want a slight boost, so we don't skip needlessly if something happens
	 * in the background.  We don't really want to be high-priority--above normal should
	 * be enough.  However, ABOVE_NORMAL_PRIORITY_CLASS is only supported in Win2000
	 * and later. */
	OSVERSIONINFO version;
	version.dwOSVersionInfoSize=sizeof(version);
	if(!GetVersionEx(&version))
	{
		LOG->Warn(werr_ssprintf(GetLastError(), "GetVersionEx failed"));
		return;
	}

#ifndef ABOVE_NORMAL_PRIORITY_CLASS
#define ABOVE_NORMAL_PRIORITY_CLASS 0x00008000
#endif

	DWORD pri = HIGH_PRIORITY_CLASS;
	if(version.dwMajorVersion >= 5)
		pri = ABOVE_NORMAL_PRIORITY_CLASS;

	/* Be sure to boost the app, not the thread, to make sure the
	 * sound thread stays higher priority than the main thread. */
	SetPriorityClass(GetCurrentProcess(), pri);
#endif
}

static void CheckSettings()
{
#if defined(WIN32)
	/* Has the amount of memory changed? */
	MEMORYSTATUS mem;
	GlobalMemoryStatus(&mem);

	const int Memory = mem.dwTotalPhys / 1048576;

	if( PREFSMAN->m_iLastSeenMemory == Memory )
		return;
	
	LOG->Trace( "Memory changed from %i to %i; settings changed", PREFSMAN->m_iLastSeenMemory, Memory );
	PREFSMAN->m_iLastSeenMemory = Memory;

	/* Let's consider 128-meg systems low-memory, and 256-meg systems high-memory.
	 * Cut off at 192.  This is somewhat conservative; many 128-meg systems can
	 * deal with higher memory profile settings, but some can't. 
	 *
	 * Actually, Windows lops off a meg or two; cut off a little lower to treat
	 * 192-meg systems as high-memory. */
	const bool HighMemory = (Memory >= 190);
	const bool LowMemory = (Memory < 100); /* 64 and 96-meg systems */

	/* Two memory-consuming features that we can disable are texture caching and
	 * preloaded banners.  Texture caching can use a lot of memory; disable it for
	 * low-memory systems. */
	PREFSMAN->m_bDelayedTextureDelete = HighMemory;

	/* Preloaded banners takes about 9k per song. Although it's smaller than the
	 * actual song data, it still adds up with a lot of songs. Disable it for 64-meg
	 * systems. */
	PREFSMAN->m_BannerCache = LowMemory? PrefsManager::BNCACHE_OFF:PrefsManager::BNCACHE_LOW_RES;

	PREFSMAN->SaveGlobalPrefsToDisk();
#endif
}

#if defined(WIN32)
#include "RageDisplay_D3D.h"
#endif

#if !defined(_XBOX)
#include "RageDisplay_OGL.h"
#endif

#include "archutils/Win32/VideoDriverInfo.h"

static const CString D3DURL = "http://search.microsoft.com/gomsuri.asp?n=1&c=rp_BestBets&siteid=us&target=http://www.microsoft.com/downloads/details.aspx?FamilyID=a19bed22-0b25-4e5d-a584-6389d8a3dad0&displaylang=en";


struct VideoCardDefaults
{
	char *szDriverRegex;
	char *szVideoRenderers;
	int iWidth;
	int iHeight;
	int iDisplayColor;
	int iTextureColor;
	int iMovieColor;
	int iTextureSize;
	bool bSmoothLines;
} const g_VideoCardDefaults[] = 
{
	{
		"Voodoo *5",
		"d3d,opengl",	// received 3 reports of opengl crashing. -Chris
		640,480,
		32,32,32,
		2048,
		true	// accelerated
	},
	{
		"Voodoo", /* all other Voodoos: some drivers don't identify which one */
		"d3d,opengl",
		640,480,
		16,16,16,
		256,
		false	// broken, causes black screen
	},
	{
		"Radeon 7|Wonder 7500|ArcadeVGA",	// Radeon 7xxx
		"d3d,opengl",	// movie texture performance is terrible in OpenGL, but fine in D3D.
		640,480,
		16,16,16,
		2048,
		true	// accelerated
	},
	{
		"GeForce|Radeon|Wonder 9",
		"opengl,d3d",
		640,480,
		32,32,32,	// 32 bit textures are faster to load
		2048,
		true	// hardware accelerated
	},
	{
		"TNT|Vanta|M64",
		"opengl,d3d",
		640,480,
		16,16,16,	// Athlon 1.2+TNT demonstration w/ movies: 70fps w/ 32bit textures, 86fps w/ 16bit textures
		2048,
		true	// hardware accelerated
	},
	{
		"G200|G250|G400",
		"d3d,opengl",
		640,480,
		16,16,16,
		2048,
		false	// broken, causes black screen
	},
	{
		"Savage",
		"d3d",
			// OpenGL is unusable on my Savage IV with even the latest drivers.  
			// It draws 30 frames of gibberish then crashes.  This happens even with
			// simple NeHe demos.  -Chris
		640,480,
		16,16,16,
		2048,
		false
	},
	{
		"XPERT@PLAY|IIC|RAGE PRO|RAGE LT PRO",	// Rage Pro chip, Rage IIC chip
		"d3d",
			// OpenGL is not hardware accelerated, despite the fact that the 
			// drivers come with an ICD.  Also, the WinXP driver performance 
			// is terrible and supports only 640.  The ATI driver is usable.
			// -Chris
		320,240,	// lower resolution for 60fps.  In-box WinXP driver doesn't support 400x300.
		16,16,16,
		256,
		false
	},
	{
		"RAGE MOBILITY-M1",
		"d3d,opengl",	// Vertex alpha is broken in OpenGL, but not D3D. -Chris
		400,300,	// lower resolution for 60fps
		16,16,16,
		256,
		false
	},
	{
		"Intel.*82810|Intel.*82815",
		"opengl,d3d",// OpenGL is 50%+ faster than D3D w/ latest Intel drivers.  -Chris
		512,384,	// lower resolution for 60fps
		16,16,16,
		512,
		false
	},
	{
		"Intel*Extreme Graphics",
		"d3d",	// OpenGL blue screens w/ XP drivers from 6-21-2002
		640,480,
		16,16,16,	// slow at 32bpp
		1024,
		false
	},
	{
		// Cards that have problems with OpenGL:
		// ASSERT fail somewhere in RageDisplay_OpenGL "Trident Video Accelerator CyberBlade"
		// bug 764499: ASSERT fail after glDeleteTextures for "SiS 650_651_740"
		// bug 764830: ASSERT fail after glDeleteTextures for "VIA Tech VT8361/VT8601 Graphics Controller"
		// bug 791950: AV in glsis630!DrvSwapBuffers for "SiS 630/730"
		"Trident Video Accelerator CyberBlade|VIA.*VT|SiS 6*",
		"d3d,opengl",
		640,480,
		16,16,16,
		2048,
		false
	},
	{
		"OpenGL",	// This matches all drivers in Mac and Linux. -Chris
		"opengl",
		640,480,
		16,16,16,
		2048,
		true		// Right now, they've got to have NVidia or ATi Cards anyway..
	},
	{
		// Default graphics settings used for all cards that don't match above.
		// This must be the very last entry!
		"",
		"opengl,d3d",
		640,480,
		16,16,16,
		2048,
		false  // AA is slow on some cards, so let's selectively enable HW accelerated cards.
	},
};


static CString GetVideoDriverName()
{
#if defined(_WINDOWS)
	return GetPrimaryVideoDriverName();
#elif defined(_XBOX)
	return "Xbox";
#else
    return "OpenGL";
#endif
}

static void CheckVideoDefaultSettings()
{
	// Video card changed since last run
	CString sVideoDriver = GetVideoDriverName();
	
	LOG->Trace( "Last seen video driver: " + PREFSMAN->m_sLastSeenVideoDriver );

	const VideoCardDefaults* pDefaults = NULL;
	
	for( unsigned i=0; i<ARRAYSIZE(g_VideoCardDefaults); i++ )
	{
		pDefaults = &g_VideoCardDefaults[i];

		CString sDriverRegex = pDefaults->szDriverRegex;
		Regex regex( sDriverRegex );
		if( regex.Compare(sVideoDriver) )
		{
			LOG->Trace( "Card matches '%s'.", sDriverRegex.size()? sDriverRegex.c_str():"(unknown card)" );
			break;
		}
	}

	ASSERT( pDefaults );	// we must have matched at least one

	CString sVideoRenderers = pDefaults->szVideoRenderers;

	bool SetDefaultVideoParams=false;
	if( PREFSMAN->m_sVideoRenderers == "" )
	{
		SetDefaultVideoParams = true;
		LOG->Trace( "Applying defaults for %s.", sVideoDriver.c_str() );
	}
	else if( PREFSMAN->m_sLastSeenVideoDriver != sVideoDriver ) 
	{
		SetDefaultVideoParams = true;
		LOG->Trace( "Video card has changed from %s to %s.  Applying new defaults.", PREFSMAN->m_sLastSeenVideoDriver.c_str(), sVideoDriver.c_str() );
	}
		
	if( SetDefaultVideoParams )
	{
		PREFSMAN->m_sVideoRenderers = pDefaults->szVideoRenderers;
		PREFSMAN->m_iDisplayWidth = pDefaults->iWidth;
		PREFSMAN->m_iDisplayHeight = pDefaults->iHeight;
		PREFSMAN->m_iDisplayColorDepth = pDefaults->iDisplayColor;
		PREFSMAN->m_iTextureColorDepth = pDefaults->iTextureColor;
		PREFSMAN->m_iMovieColorDepth = pDefaults->iMovieColor;
		PREFSMAN->m_iMaxTextureResolution = pDefaults->iTextureSize;
		PREFSMAN->m_bSmoothLines = pDefaults->bSmoothLines;

		// Update last seen video card
		PREFSMAN->m_sLastSeenVideoDriver = GetVideoDriverName();
	}
	else if( PREFSMAN->m_sVideoRenderers.CompareNoCase(sVideoRenderers) )
	{
		LOG->Warn("Video renderer list has been changed from '%s' to '%s'",
				sVideoRenderers.c_str(), PREFSMAN->m_sVideoRenderers.c_str() );
	}
}

RageDisplay *CreateDisplay()
{
	/* We never want to bother users with having to decide which API to use.
	 *
	 * Some cards simply are too troublesome with OpenGL to ever use it, eg. Voodoos.
	 * If D3D8 isn't installed on those, complain and refuse to run (by default).
	 * For others, always use OpenGL.  Allow forcing to D3D as an advanced option.
	 *
	 * If we're missing acceleration when we load D3D8 due to a card being in the
	 * D3D list, it means we need drivers and that they do exist.
	 *
	 * If we try to load OpenGL and we're missing acceleration, it may mean:
	 *  1. We're missing drivers, and they just need upgrading.
	 *  2. The card doesn't have drivers, and it should be using D3D8.  In other words,
	 *     it needs an entry in this table.
	 *  3. The card doesn't have drivers for either.  (Sorry, no S3 868s.)  Can't play.
	 * 
	 * In this case, fail to load; don't silently fall back on D3D.  We don't want
	 * people unknowingly using D3D8 with old drivers (and reporting obscure bugs
	 * due to driver problems).  We'll probably get bug reports for all three types.
	 * #2 is the only case that's actually a bug.
	 *
	 * Actually, right now we're falling back.  I'm not sure which behavior is better.
	 */

	CheckVideoDefaultSettings();

	RageDisplay::VideoModeParams params(GetCurVideoModeParams());

	CString error = "There was an error while initializing your video card.\n\n"
		"   PLEASE DO NOT FILE THIS ERROR AS A BUG!\n\n"
		"Video Driver: "+GetVideoDriverName()+"\n\n";

	LOG->Info( "Video renderers: '%s'", PREFSMAN->m_sVideoRenderers.c_str() );

	CStringArray asRenderers;
	split( PREFSMAN->m_sVideoRenderers, ",", asRenderers, true );

	if( asRenderers.empty() )
		RageException::Throw("No video renderers attempted.");

	for( unsigned i=0; i<asRenderers.size(); i++ )
	{
		CString sRenderer = asRenderers[i];

		if( sRenderer.CompareNoCase("opengl")==0 )
		{
#if defined(SUPPORT_OPENGL)
			error += "Initializing OpenGL...\n";
			try {
				return new RageDisplay_OGL( params, PREFSMAN->m_bAllowUnacceleratedRenderer );
			} catch(RageException e) {
				error += CString(e.what()) + "\n";
				continue;
			};
#endif
		}
		else if( sRenderer.CompareNoCase("d3d")==0 )
		{
#if defined(SUPPORT_D3D)
			error += "Initializing Direct3D...\n";
			try {
				return new RageDisplay_D3D( params );
			} catch( const exception &e ) {
				error += CString(e.what()) + "\n";
			};
#endif
		}
		else
			RageException::Throw("Unknown video renderer value: %s", sRenderer.c_str() );
	}

	RageException::Throw( error );
}

static void CheckSDLVersion( int major, int minor, int patch )
{
	const SDL_version *ver = SDL_Linked_Version();
	if( ver->major > major ||
	   (ver->major == major && ver->minor > minor) ||
	   (ver->major == major && ver->minor == minor && ver->patch >= patch))
		return;

	RageException::Throw( "SDL %i.%i.%i is required, but you only appear to "
		"have SDL %i.%i.%i installed.  Please upgrade your installation of SDL or download "
		"it from:\n\n\thttp://www.libsdl.org/",
		major, minor, patch, ver->major, ver->minor, ver->patch );
}

static void RestoreAppPri()
{
	if(!ChangeAppPri())
		return;

#ifdef _WINDOWS
	SetPriorityClass(GetCurrentProcess(), NORMAL_PRIORITY_CLASS);
#endif
}


#define GAMEPREFS_INI_PATH "Data/GamePrefs.ini"
#define STATIC_INI_PATH "Data/Static.ini"

void ChangeCurrentGame( Game g )
{
	ASSERT( g >= 0 && g < NUM_GAMES );

	SaveGamePrefsToDisk();
	INPUTMAPPER->SaveMappingsToDisk();	// save mappings before switching the game

	GAMESTATE->m_CurGame = g;

	ReadGamePrefsFromDisk( false );
	INPUTMAPPER->ReadMappingsFromDisk();

	/* Save the newly-selected game. */
	SaveGamePrefsToDisk();
}

void ReadGamePrefsFromDisk( bool bSwitchToLastPlayedGame )
{
	ASSERT( GAMESTATE );
	ASSERT( ANNOUNCER );
	ASSERT( THEME );

	CString sGameName = GAMESTATE->GetCurrentGameDef()->m_szName;
	IniFile ini;
	ini.SetPath( GAMEPREFS_INI_PATH );
	ini.ReadFile();	// it's OK if this fails

	ini.SetPath( STATIC_INI_PATH );
	ini.ReadFile();	// it's OK if this fails, too

	CString sAnnouncer = sGameName, sTheme = sGameName, sNoteSkin = sGameName;

	// if these calls fail, the three strings will keep the initial values set above.
	ini.GetValue( sGameName, "Announcer",			sAnnouncer );
	ini.GetValue( sGameName, "Theme",				sTheme );
	ini.GetValue( sGameName, "DefaultModifiers",	PREFSMAN->m_sDefaultModifiers );

	// it's OK to call these functions with names that don't exist.
	ANNOUNCER->SwitchAnnouncer( sAnnouncer );
	THEME->SwitchThemeAndLanguage( sTheme, PREFSMAN->m_sLanguage );

//	NOTESKIN->SwitchNoteSkin( sNoteSkin );

	if( bSwitchToLastPlayedGame )
	{
		Game game;
		if( ini.GetValue("Options", "Game", (int&)game) )
		{
			CLAMP( (int&)game, 0, NUM_GAMES-1 );
			GAMESTATE->m_CurGame = game;
		}
	}
}


void SaveGamePrefsToDisk()
{
	if( !GAMESTATE )
		return;

	CString sGameName = GAMESTATE->GetCurrentGameDef()->m_szName;
	IniFile ini;
	ini.SetPath( GAMEPREFS_INI_PATH );
	ini.ReadFile();	// it's OK if this fails

	ini.SetValue( sGameName, "Announcer",			ANNOUNCER->GetCurAnnouncerName() );
	ini.SetValue( sGameName, "Theme",				THEME->GetCurThemeName() );
	ini.SetValue( sGameName, "DefaultModifiers",	PREFSMAN->m_sDefaultModifiers );
	ini.SetValue( "Options", "Game",				GAMESTATE->m_CurGame );

	ini.WriteFile();
}

static void OnFirstRun()
{
	// TODO: generate a machine keypair here
}

static void MountTreeOfZips( const CString &dir )
{
	vector<CString> dirs;
	dirs.push_back( dir );

	while( dirs.size() )
	{
		CString path = dirs.back();
		dirs.pop_back();

		if( !IsADirectory(path) )
			continue;

		vector<CString> zips;
		GetDirListing( path + "/*.zip", zips, false, true );
		GetDirListing( path + "/*.smzip", zips, false, true );

		for( unsigned i = 0; i < zips.size(); ++i )
		{
			if( !IsAFile(zips[i]) )
				continue;

			LOG->Trace( "VFS: found %s", zips[i].c_str() );
			FILEMAN->Mount( "zip", zips[i], "" );
		}

		GetDirListing( path + "/*", dirs, true, true );
	}
}

#ifdef _XBOX
/*
extern int SDL_main(int argc, char *argv[]);

void __cdecl main()
{
	SDL_main(0, NULL);
}
*/
char *xboxargv[] = { "d:\\default.xbe" };
extern RageDisplay::VideoModeParams	g_CurrentParams;
/*
void __cdecl main()
{
	main(0, xboxargv);
}
*/
#endif

int main(int argc, char* argv[])
{
#ifdef _XBOX
	argc = 1;
	argv = xboxargv;
	XGetCustomLaunchData();
#endif

	g_argc = argc;
	g_argv = argv;

	/* Set up arch hooks first.  This may set up crash handling. */
	HOOKS = MakeArchHooks();

	CString  g_sErrorString = "";

#if !defined(DEBUG)
	/* Always catch RageExceptions; they should always have distinct strings. */
	try { /* RageException */

	/* Tricky: for other exceptions, we want a backtrace.  To do this in Windows,
	 * we need to catch the exception and force a crash.  The call stack is still
	 * there, and gets picked up by the crash handler.  (If we don't catch it, we'll
	 * get a generic, useless "abnormal terminaiton" dialog.)  In Linux, if we do this
	 * we'll only get main() on the stack, but if we don't catch the exception, it'll
	 * just work.  So, only catch generic exceptions in Windows. */
#if defined(_WINDOWS)
	try { /* exception */
#endif

#endif

	ChangeToDirOfExecutable(argv[0]);

	/* Almost everything uses this to read and write files.  Load this early. */
	FILEMAN = new RageFileManager;

	/* Set this up next.  Do this early, since it's needed for RageException::Throw. 
	 * Do it after ChangeToDirOfExecutable, so the log ends up in the right place. */
	LOG			= new RageLog();

	/* Whew--we should be able to crash safely now! */

	//
	// load preferences and mount any alternative trees.
	//
	PREFSMAN	= new PrefsManager;

	/* Set up alternative filesystem trees. */
	if( PREFSMAN->m_sAdditionalFolders != "" )
	{
		CStringArray dirs;
		split( PREFSMAN->m_sAdditionalFolders, ",", dirs, true );
		for( unsigned i=0; i < dirs.size(); i++)
			FILEMAN->Mount( "dir", dirs[i], "" );
	}
	if( PREFSMAN->m_sAdditionalSongFolders != "" )
	{
		CStringArray dirs;
		split( PREFSMAN->m_sAdditionalSongFolders, ",", dirs, true );
		for( unsigned i=0; i < dirs.size(); i++)
	        FILEMAN->Mount( "dir", dirs[i], "Songs" );
	}
	MountTreeOfZips( ZIPS_DIR );

	atexit(SDL_Quit);   /* Clean up on exit */

	/* Fire up the SDL, but don't actually start any subsystems.
	 * We use our own error handlers. */
	SDL_Init( SDL_INIT_NOPARACHUTE );

	//
	// Create game objects
	//
	GAMESTATE	= new GameState;

	LOG->ShowLogOutput( PREFSMAN->m_bShowLogOutput );
	LOG->SetLogging( PREFSMAN->m_bLogging );
	LOG->SetFlushing( PREFSMAN->m_bForceLogFlush );
	LOG->SetTimestamping( PREFSMAN->m_bTimestamping );
	Checkpoints::LogCheckpoints( PREFSMAN->m_bLogCheckpoints );


	/* This requires PREFSMAN, for PREFSMAN->m_bShowLoadingWindow. */
	LoadingWindow *loading_window = MakeLoadingWindow();
	if( loading_window == NULL )
	{
		LOG->Trace("Couldn't open any loading windows.");
		exit(1);
	}

	loading_window->Paint();

	srand( time(NULL) );	// seed number generator	
	
	CheckSDLVersion( 1,2,6 );
	
	if( PREFSMAN->m_bFirstRun )
		OnFirstRun();

	/* This should be done after PREFSMAN is set up, so it can use HOOKS->MessageBoxOK,
	 * but before we do more complex things that might crash. */
	HOOKS->DumpDebugInfo();

	CheckSettings();

	GAMEMAN		= new GameManager;
	THEME		= new ThemeManager;
	ANNOUNCER	= new AnnouncerManager;

	/* Set up the theme and announcer. */
	ReadGamePrefsFromDisk();

	NOTESKIN	= new NoteSkinManager;
	if( PREFSMAN->m_iSoundWriteAhead )
		LOG->Info( "Sound writeahead has been overridden to %i", PREFSMAN->m_iSoundWriteAhead );
	SOUNDMAN	= new RageSoundManager(PREFSMAN->m_sSoundDrivers);
	SOUNDMAN->SetPrefs(PREFSMAN->m_fSoundVolume);
	SOUND		= new RageSounds;
	BOOKKEEPER	= new Bookkeeper;
	LIGHTSMAN	= new LightsManager(PREFSMAN->m_sLightsDriver);
	INPUTFILTER	= new InputFilter;
	INPUTMAPPER	= new InputMapper;
	INPUTQUEUE	= new InputQueue;
	SONGINDEX	= new SongCacheIndex;
	BANNERCACHE = new BannerCache;
	
	/* depends on SONGINDEX: */
	SONGMAN		= new SongManager( loading_window );		// this takes a long time to load
	CRYPTMAN	= new CryptManager;	// need to do this before ProfileMan
	MEMCARDMAN	= new MemoryCardManager;
	PROFILEMAN	= new ProfileManager;	// must load after SONGMAN
	UNLOCKSYS	= new UnlockSystem;
	MODELMAN	= new ModelManager;
	delete loading_window;		// destroy this before init'ing Display

	DISPLAY = CreateDisplay();

	DISPLAY->ChangeCentering(
		PREFSMAN->m_iCenterImageTranslateX, 
		PREFSMAN->m_iCenterImageTranslateY,
		PREFSMAN->m_fCenterImageScaleX,
		PREFSMAN->m_fCenterImageScaleY );

	TEXTUREMAN	= new RageTextureManager();
	TEXTUREMAN->SetPrefs( 
		PREFSMAN->m_iTextureColorDepth, 
		PREFSMAN->m_iMovieColorDepth,
		PREFSMAN->m_bDelayedTextureDelete, 
		PREFSMAN->m_iMaxTextureResolution );

	StoreActualGraphicOptions( true );

	/* Now that we've started DISPLAY, we can set up event masks. */
	mySDL_EventState(SDL_QUIT, SDL_ENABLE);
	mySDL_EventState(SDL_ACTIVEEVENT, SDL_ENABLE);

	UpdateHWnd();

	SONGMAN->PreloadSongImages();

	/* This initializes objects that change the SDL event mask, and has other
	 * dependencies on the SDL video subsystem, so it must be initialized after
	 * DISPLAY and setting the default SDL event mask. */
	INPUTMAN	= new RageInput;

	// These things depend on the TextureManager, so do them after!
	FONT		= new FontManager;
	SCREENMAN	= new ScreenManager;

	/* People may want to do something else while songs are loading, so do
	 * this after loading songs. */
	BoostAppPri();

	ResetGame();

	CodeDetector::RefreshCacheItems();

	/* Initialize which courses are ranking courses here. */
	SONGMAN->UpdateRankingCourses();

#ifdef _XBOX
	/* XXX: This is a bad way to do this.  Instead, add an "XBOX" entry to
	 * g_VideoCardDefaults (and make sure the name shows up, so it matches). */
	g_CurrentParams.width = 600;
	g_CurrentParams.height= 400;
	DISPLAY->ResolutionChanged();
#endif

	/* Run the main loop. */
	GameLoop();

	PREFSMAN->SaveGlobalPrefsToDisk();
	SaveGamePrefsToDisk();

#ifndef DEBUG
	}
	catch( const RageException &e )
	{
		/* Gracefully shut down. */
		g_sErrorString = e.what();
	}
#endif

	SAFE_DELETE( SCREENMAN );
	/* Delete INPUTMAN before the other INPUTFILTER handlers, or an input
	 * driver may try to send a message to INPUTFILTER after we delete it. */
	SAFE_DELETE( INPUTMAN );
	SAFE_DELETE( INPUTQUEUE );
	SAFE_DELETE( INPUTMAPPER );
	SAFE_DELETE( INPUTFILTER );
	SAFE_DELETE( UNLOCKSYS );
	SAFE_DELETE( MODELMAN );
	SAFE_DELETE( PROFILEMAN );	// PROFILEMAN needs the songs still loaded
	SAFE_DELETE( CRYPTMAN );
	SAFE_DELETE( MEMCARDMAN );
	SAFE_DELETE( SONGMAN );
	SAFE_DELETE( BANNERCACHE );
	SAFE_DELETE( SONGINDEX );
	SAFE_DELETE( PREFSMAN );
	SAFE_DELETE( GAMESTATE );
	SAFE_DELETE( GAMEMAN );
	SAFE_DELETE( NOTESKIN );
	SAFE_DELETE( THEME );
	SAFE_DELETE( ANNOUNCER );
	SAFE_DELETE( BOOKKEEPER );
	SAFE_DELETE( LIGHTSMAN );
	SAFE_DELETE( SOUND );
	SAFE_DELETE( SOUNDMAN );
	SAFE_DELETE( FONT );
	SAFE_DELETE( TEXTUREMAN );
	SAFE_DELETE( DISPLAY );
	SAFE_DELETE( LOG );
	SAFE_DELETE( FILEMAN );

#if !defined(DEBUG) && defined(_WINDOWS)
	}
	catch( const exception &e )
	{
		/* This can be things like calling std::string::reserve(-1), or out of memory.
		 * This can also happen if we throw a RageException during a ctor, in which case
		 * we want a crash dump. */
		CHECKPOINT_M( e.what() );
		*(char*)0=0; /* crash */
	}
#endif
	
	if( g_sErrorString != "" )
	{
		if( g_bAutoRestart )
			HOOKS->RestartProgram();
		HOOKS->MessageBoxError( g_sErrorString ); // throw up a pretty error dialog
	}

	SAFE_DELETE( HOOKS );

#ifdef _XBOX
	XReturnToLaunchingXBE() ;
#endif

	return 0;
}

CString SaveScreenshot( CString sDir, bool bSaveCompressed, bool bMakeSignature )
{
	//
	// Find a file name for the screenshot
	//
	FlushDirCache();

	vector<CString> files;
	GetDirListing( sDir + "screen*", files, false, false );
	sort( files.begin(), files.end() );

	/* Files should be of the form "screen######.xxx".  Ignore the extension; find
	 * the last file of this form, and use the next number.  This way, we don't
	 * write the same screenshot number for different formats (screen0011.bmp,
	 * screen0011.jpg), and we always increase from the end, so if screen0003.jpg
	 * is deleted, we won't fill in the hole (which makes screenshots hard to find). */
	int fileno = -1;
	for( int i = files.size()-1; i >= 0; --i )
		if( sscanf( files[i], "screen%d.%*s", &fileno ) == 1 )
			break;

	if( fileno == -1 )
		fileno = 0;
	else
		++fileno;

	//
	// Save the screenshot
	//
	CString sFileName = ssprintf( "screen%04d.%s",fileno,bSaveCompressed ? "jpg" : "bmp" );
	CString sPath = sDir+sFileName;
	bool bResult = DISPLAY->SaveScreenshot( sPath, bSaveCompressed ? RageDisplay::jpg : RageDisplay::bmp );
	if( !bResult )
	{
		SOUND->PlayOnce( THEME->GetPathToS("Common invalid") );
		return "";
	}

	SOUND->PlayOnce( THEME->GetPathToS("Common screenshot") );

	// We wrote a new file, and SignFile won't pick it up unless we invalidate
	// the Dir cache.  There's got to be a better way of doing this than 
	// thowing out all the cache. -Chris
	FlushDirCache();

	if( bMakeSignature )
		CryptManager::SignFile( sPath );

	return sFileName;
}

/* Returns true if the key has been handled and should be discarded, false if
 * the key should be sent on to screens. */
bool HandleGlobalInputs( DeviceInput DeviceI, InputEventType type, GameInput GameI, MenuInput MenuI, StyleInput StyleI )
{
	/* None of the globals keys act on types other than FIRST_PRESS */
	if( type != IET_FIRST_PRESS ) 
		return false;

	switch( MenuI.button )
	{
	case MENU_BUTTON_OPERATOR:

		/* Global operator key, to get quick access to the options menu. Don't
		 * do this if we're on a "system menu", which includes the editor
		 * (to prevent quitting without storing changes). */
		if( !GAMESTATE->m_bIsOnSystemMenu )
		{
			SCREENMAN->SystemMessage( "OPERATOR" );
			GAMESTATE->Reset();
			SCREENMAN->SetNewScreen( "ScreenOptionsMenu" );
		}
		return true;

	case MENU_BUTTON_COIN:
		/* Handle a coin insertion. */
		if( GAMESTATE->m_bEditing )	// no coins while editing
		{
			LOG->Trace( "Ignored coin insertion (editing)" );
			break;
		}

		GAMESTATE->m_iCoins++;
		LOG->Trace("%i coins inserted, %i needed to play", GAMESTATE->m_iCoins, PREFSMAN->m_iCoinsPerCredit);
		BOOKKEEPER->CoinInserted();
		SCREENMAN->RefreshCreditsMessages();
		SOUND->PlayOnce( THEME->GetPathToS("Common coin") );
		return false;	// Attract need to know because they go to TitleMenu on > 1 credit
	}

	if(DeviceI == DeviceInput(DEVICE_KEYBOARD, SDLK_F2))
	{
		THEME->ReloadMetrics();
		TEXTUREMAN->ReloadAll();
		SCREENMAN->ReloadCreditsText();
		NOTESKIN->RefreshNoteSkinData( GAMESTATE->m_CurGame );
		CodeDetector::RefreshCacheItems();
	
		// HACK: Also save bookkeeping and profile info for debugging
		// so we don't have to play through a whole song to get new output.
		BOOKKEEPER->WriteToDisk();
		PROFILEMAN->SaveMachineProfile();
		for( int p=0; p<NUM_PLAYERS; p++ )
			if( PROFILEMAN->IsUsingProfile((PlayerNumber)p) )
				PROFILEMAN->SaveProfile( (PlayerNumber)p );

		/* If we're in screen test mode, reload the screen. */
		if( PREFSMAN->m_bScreenTestMode )
			ResetGame( true );
		else
			SCREENMAN->SystemMessage( "Reloaded metrics and textures" );

		return true;
	}
#ifndef DARWIN
	if(DeviceI == DeviceInput(DEVICE_KEYBOARD, SDLK_F4))
	{
		if( INPUTFILTER->IsBeingPressed( DeviceInput(DEVICE_KEYBOARD, SDLK_RALT)) ||
			INPUTFILTER->IsBeingPressed( DeviceInput(DEVICE_KEYBOARD, SDLK_LALT)) )
		{
			// pressed Alt+F4
			ExitGame();
			return true;
		}
	}
#else
	if(DeviceI == DeviceInput(DEVICE_KEYBOARD, SDLK_q))
	{
		if(INPUTFILTER->IsBeingPressed(DeviceInput(DEVICE_KEYBOARD, SDLK_RMETA)) ||
			INPUTFILTER->IsBeingPressed(DeviceInput(DEVICE_KEYBOARD, SDLK_LMETA)))
		{
			// pressed CMD-Q
			ExitGame();
			return true;
		}
	}
#endif

	/* The default Windows message handler will capture the desktop window upon
	 * pressing PrntScrn, or will capture the foregroud with focus upon pressing
	 * Alt+PrntScrn.  Windows will do this whether or not we save a screenshot 
	 * ourself by dumping the frame buffer.  */
	/* Pressing F13 on an Apple keyboard sends SDLK_PRINT.
	 * However, notebooks don't have F13. Use cmd-F12 then*/
	// "if pressing PrintScreen and not pressing Alt"
	if( (DeviceI == DeviceInput(DEVICE_KEYBOARD, SDLK_PRINT) &&
		 !INPUTFILTER->IsBeingPressed( DeviceInput(DEVICE_KEYBOARD, SDLK_RALT)) &&
		 !INPUTFILTER->IsBeingPressed( DeviceInput(DEVICE_KEYBOARD, SDLK_LALT))) ||
	    (DeviceI == DeviceInput(DEVICE_KEYBOARD, SDLK_F12) &&
		 (INPUTFILTER->IsBeingPressed( DeviceInput(DEVICE_KEYBOARD, SDLK_RMETA)) ||
	      INPUTFILTER->IsBeingPressed( DeviceInput(DEVICE_KEYBOARD, SDLK_LMETA)))))
	{
		// If holding LShift save uncompressed, else save compressed
		bool bSaveCompressed = !INPUTFILTER->IsBeingPressed( DeviceInput(DEVICE_KEYBOARD, SDLK_LSHIFT) );
		SaveScreenshot( "Screenshots/", bSaveCompressed, false );
		return true;	// handled
	}

	if(DeviceI == DeviceInput(DEVICE_KEYBOARD, SDLK_RETURN))
	{
		if( INPUTFILTER->IsBeingPressed(DeviceInput(DEVICE_KEYBOARD, SDLK_RALT)) ||
			INPUTFILTER->IsBeingPressed(DeviceInput(DEVICE_KEYBOARD, SDLK_LALT)) )
		{
			/* alt-enter */
			PREFSMAN->m_bWindowed = !PREFSMAN->m_bWindowed;
			ApplyGraphicOptions();
			return true;
		}
	}

	return false;
}

static void HandleInputEvents(float fDeltaTime)
{
	INPUTFILTER->Update( fDeltaTime );
	
	/* Hack: If the topmost screen hasn't been updated yet, don't process input, since
	 * we must not send inputs to a screen that hasn't at least had one update yet. (The
	 * first Update should be the very first thing a screen gets.)  We'll process it next
	 * time.  Do call Update above, so the inputs are read and timestamped. */
	if( SCREENMAN->GetTopScreen()->IsFirstUpdate() )
		return;

	static InputEventArray ieArray;
	ieArray.clear();	// empty the array
	INPUTFILTER->GetInputEvents( ieArray );

	/* If we don't have focus, discard input. */
	if( !g_bHasFocus )
		return;

	for( unsigned i=0; i<ieArray.size(); i++ )
	{
		DeviceInput DeviceI = (DeviceInput)ieArray[i];
		InputEventType type = ieArray[i].type;
		GameInput GameI;
		MenuInput MenuI;
		StyleInput StyleI;

		INPUTMAPPER->DeviceToGame( DeviceI, GameI );
		
		if( GameI.IsValid()  &&  type == IET_FIRST_PRESS )
			INPUTQUEUE->RememberInput( GameI );
		if( GameI.IsValid() )
		{
			INPUTMAPPER->GameToMenu( GameI, MenuI );
			INPUTMAPPER->GameToStyle( GameI, StyleI );
		}

		// HACK:  Numlock is read is being pressed if the NumLock light is on.
		// Filter out all NumLock repeat messages
		/* XXX: Is this still needed?  If so, it should probably be done in the
		 * affected input driver. */
		if( DeviceI.device == DEVICE_KEYBOARD && DeviceI.button == SDLK_NUMLOCK && type != IET_FIRST_PRESS )
			continue;	// skip

		if( HandleGlobalInputs(DeviceI, type, GameI, MenuI, StyleI ) )
			continue;	// skip
		
		SCREENMAN->Input( DeviceI, type, GameI, MenuI, StyleI );
	}
}

static void HandleSDLEvents()
{
	// process all queued events
	SDL_Event event;
	while(SDL_GetEvent(event, SDL_QUITMASK|SDL_ACTIVEEVENTMASK))
	{
		switch(event.type)
		{
		case SDL_QUIT:
			LOG->Trace("SDL_QUIT: shutting down");
			ExitGame();
			break;

		case SDL_ACTIVEEVENT:
			{
				/* We don't care about mouse focus. */
				if(event.active.state == SDL_APPMOUSEFOCUS)
					break;

				Uint8 i = SDL_GetAppState();
				
				g_bHasFocus = i&SDL_APPINPUTFOCUS && i&SDL_APPACTIVE;
				LOG->Trace("App %s focus (%i%i)", g_bHasFocus? "has":"doesn't have",
					i&SDL_APPINPUTFOCUS, i&SDL_APPACTIVE);

				/* If we lose focus, we may lose input events, especially key releases. */
				INPUTFILTER->Reset();

				if(g_bHasFocus)
					BoostAppPri();
				else
					RestoreAppPri();
			}
		}
	}
}

static void GameLoop()
{
	RageTimer timer;
	while(!g_bQuitting)
	{
		/* This needs to be called before anything that handles SDL events. */
		SDL_PumpEvents();
		HandleSDLEvents();

		/*
		 * Update
		 */
		float fDeltaTime = timer.GetDeltaTime();
		
		if( INPUTFILTER->IsBeingPressed( DeviceInput(DEVICE_KEYBOARD, SDLK_TAB) ) ) {
			if( INPUTFILTER->IsBeingPressed( DeviceInput(DEVICE_KEYBOARD, SDLK_BACKQUOTE) ) )
				fDeltaTime = 0; /* both; stop time */
			else
				fDeltaTime *= 4;
		}
		else if( INPUTFILTER->IsBeingPressed( DeviceInput(DEVICE_KEYBOARD, SDLK_BACKQUOTE) ) )
		{
			fDeltaTime /= 4;
		}

		DISPLAY->Update( fDeltaTime );

		/* Update song beat information -before- calling update on all the classes that
		 * depend on it.  If you don't do this first, the classes are all acting on old 
		 * information and will lag.  (but no longer fatally, due to timestamping -glenn) */
		SOUND->Update( fDeltaTime );
		TEXTUREMAN->Update( fDeltaTime );
		GAMESTATE->Update( fDeltaTime );
		SCREENMAN->Update( fDeltaTime );
		SOUNDMAN->Update( fDeltaTime );
		MEMCARDMAN->Update( fDeltaTime );

		/* Important:  Process input AFTER updating game logic, or input will be acting on song beat from last frame */
		HandleInputEvents( fDeltaTime );

		LIGHTSMAN->Update( fDeltaTime );

		HOOKS->Update( fDeltaTime );

		/*
		 * Render
		 */
		SCREENMAN->Draw();

		/* If we don't have focus, give up lots of CPU. */
		if( !g_bHasFocus )
			SDL_Delay( 10 );// give some time to other processes and threads
#if defined(_WINDOWS)
		/* In Windows, we want to give up some CPU for other threads.  Most OS's do
		 * this more intelligently. */
		else
			SDL_Delay( 1 );	// give some time to other processes and threads
#endif
	}
}