/*
===========================================================================
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 Quake III Arena source code; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
===========================================================================
*/

#include "../client/client.h"
#include "win_local.h"


struct Mouse {
	virtual qbool Init() { return qtrue; }
	virtual qbool Activate( qbool active );
	virtual void OnWindowMoved() {}
	virtual void Shutdown() {}
	virtual qbool ProcessMessage( UINT msg, WPARAM wParam, LPARAM lParam ) { return qfalse; } // returns true if the event was handled

	Mouse() : active(qfalse), wheel(0) {}
	void UpdateWheel( int delta );
private:
	qbool active;
	int wheel;
};

static Mouse* mouse;


qbool Mouse::Activate( qbool _active )
{
	if (active == _active)
		return qfalse;

	active = _active;
	wheel = 0;

	return qtrue;
}


void Mouse::UpdateWheel( int delta )
{
	wheel += delta;

	while (wheel >= WHEEL_DELTA) {
		Sys_QueEvent( g_wv.sysMsgTime, SE_KEY, K_MWHEELUP, qtrue, 0, NULL );
		Sys_QueEvent( g_wv.sysMsgTime, SE_KEY, K_MWHEELUP, qfalse, 0, NULL );
		wheel -= WHEEL_DELTA;
	}

	while (wheel <= -WHEEL_DELTA) {
		Sys_QueEvent( g_wv.sysMsgTime, SE_KEY, K_MWHEELDOWN, qtrue, 0, NULL );
		Sys_QueEvent( g_wv.sysMsgTime, SE_KEY, K_MWHEELDOWN, qfalse, 0, NULL );
		wheel += WHEEL_DELTA;
	}
}


///////////////////////////////////////////////////////////////


struct rawmouse_t : public Mouse {
	virtual qbool Init();
	virtual qbool Activate( qbool active );
	virtual qbool ProcessMessage( UINT msg, WPARAM wParam, LPARAM lParam );
};

static rawmouse_t rawmouse;


qbool rawmouse_t::Init()
{
	return Activate( qtrue );
}


qbool rawmouse_t::Activate( qbool active )
{
	RAWINPUTDEVICE rid;

	rid.usUsagePage = 0x01;
	rid.usUsage = 0x02; // page 1 item 2 = mouse, gg constants you asswipes  >:(
	if (active)
		rid.dwFlags = RIDEV_NOLEGACY;
	else
		rid.dwFlags = RIDEV_REMOVE;
	rid.hwndTarget = 0;

	return RegisterRawInputDevices( &rid, 1, sizeof(rid) );
}


// MSDN says you have to always let DefWindowProc run for WM_INPUT
// regardless of whether you process the message or not, so ALWAYS return false here

qbool rawmouse_t::ProcessMessage( UINT msg, WPARAM wParam, LPARAM lParam )
{
	if (msg != WM_INPUT)
		return qfalse;

	HRAWINPUT h = (HRAWINPUT)lParam;

	UINT size;
	if (GetRawInputData( h, RID_INPUT, NULL, &size, sizeof(RAWINPUTHEADER) ) == -1)
		return qfalse;

	RAWINPUT ri;
	if (GetRawInputData( h, RID_INPUT, &ri, &size, sizeof(RAWINPUTHEADER) ) != size)
		return qfalse;

	if ( (ri.header.dwType != RIM_TYPEMOUSE) || (ri.data.mouse.usFlags != MOUSE_MOVE_RELATIVE) )
		return qfalse;

	const int dx = (int)ri.data.mouse.lLastX;
	const int dy = (int)ri.data.mouse.lLastY;
	if (dx != 0 || dy != 0)
		Sys_QueEvent( g_wv.sysMsgTime, SE_MOUSE, dx, dy, 0, NULL );

	if (!ri.data.mouse.usButtonFlags) // no button or wheel transitions
		return qfalse;

	if (ri.data.mouse.usButtonFlags & RI_MOUSE_WHEEL)
		UpdateWheel( (SHORT)ri.data.mouse.usButtonData );

	// typical MS clusterfuck for button handling, sigh... and better yet,
	// ulRawButtons isn't actually populated at all with the ms mouse drivers
#define QUEUE_RI_BUTTON( button ) \
	if (ri.data.mouse.usButtonFlags & (RI_MOUSE_BUTTON_##button##_DOWN)) \
		Sys_QueEvent( g_wv.sysMsgTime, SE_KEY, K_MOUSE##button##, qtrue, 0, NULL ); \
	if (ri.data.mouse.usButtonFlags & (RI_MOUSE_BUTTON_##button##_UP)) \
		Sys_QueEvent( g_wv.sysMsgTime, SE_KEY, K_MOUSE##button##, qfalse, 0, NULL );

	QUEUE_RI_BUTTON( 1 );
	QUEUE_RI_BUTTON( 2 );
	QUEUE_RI_BUTTON( 3 );
	QUEUE_RI_BUTTON( 4 );
	QUEUE_RI_BUTTON( 5 );

#undef QUEUE_RI_BUTTON

	return qfalse;
}


///////////////////////////////////////////////////////////////


struct winmouse_t : public Mouse {
	virtual qbool Activate( qbool active );
	virtual void OnWindowMoved();
	virtual qbool ProcessMessage( UINT msg, WPARAM wParam, LPARAM lParam );

	void UpdateWindowCenter();

	int window_center_x, window_center_y;
	qbool active;
};

static winmouse_t winmouse;


void winmouse_t::UpdateWindowCenter()
{
	const int sw = GetSystemMetrics( SM_CXSCREEN );
	const int sh = GetSystemMetrics( SM_CYSCREEN );

	RECT rc;
	GetWindowRect( g_wv.hWnd, &rc );

	window_center_x = ( max(rc.left, 0) + min(rc.right,  sw) ) / 2;
	window_center_y = ( max(rc.top,  0) + min(rc.bottom, sh) ) / 2;
}


qbool winmouse_t::Activate( qbool _active )
{
	active = _active;

	if (!_active)
		return qtrue;

	UpdateWindowCenter();
	SetCursorPos( window_center_x, window_center_y );

	return qtrue;
}


void winmouse_t::OnWindowMoved()
{
	UpdateWindowCenter();
}


qbool winmouse_t::ProcessMessage( UINT msg, WPARAM wParam, LPARAM lParam )
{
	if ( !active )
		return qfalse;

#define QUEUE_WM_BUTTON( qbutton, mask ) \
	Sys_QueEvent( g_wv.sysMsgTime, SE_KEY, qbutton, (wParam & mask), 0, NULL );

	POINT p;
	GetCursorPos( &p );
	const int dx = p.x - window_center_x;
	const int dy = p.y - window_center_y;
	if (dx != 0 || dy != 0) {
		Sys_QueEvent( g_wv.sysMsgTime, SE_MOUSE, dx, dy, 0, NULL );
		SetCursorPos( window_center_x, window_center_y );
	}

	switch (msg) {
	case WM_LBUTTONDOWN:
	case WM_LBUTTONUP:
		QUEUE_WM_BUTTON( K_MOUSE1, MK_LBUTTON );
		break;
	case WM_RBUTTONDOWN:
	case WM_RBUTTONUP:
		QUEUE_WM_BUTTON( K_MOUSE2, MK_RBUTTON );
		break;
	case WM_MBUTTONDOWN:
	case WM_MBUTTONUP:
		QUEUE_WM_BUTTON( K_MOUSE3, MK_MBUTTON );
		break;
	case WM_XBUTTONDOWN:
	case WM_XBUTTONUP:
		if (GET_XBUTTON_WPARAM(wParam) == XBUTTON1)
			QUEUE_WM_BUTTON( K_MOUSE4, MK_XBUTTON1 );
		if (GET_XBUTTON_WPARAM(wParam) == XBUTTON2)
			QUEUE_WM_BUTTON( K_MOUSE5, MK_XBUTTON2 );
		break;
#undef QUEUE_WM_BUTTON

	case WM_MOUSEWHEEL:
		UpdateWheel( GET_WHEEL_DELTA_WPARAM(wParam) );
		break;

	default:
		return qfalse;
	}

	return qtrue;
}


///////////////////////////////////////////////////////////////


static void IN_StartupMouse()
{
	assert( !mouse );
	mouse = 0;

	cvar_t* in_mouse = Cvar_Get( "in_mouse", "1", CVAR_ARCHIVE|CVAR_LATCH );
	in_mouse->modified = qfalse;

	if (!in_mouse->integer) {
		Com_Printf( "Mouse not active.\n" );
		return;
	}

	if (in_mouse->integer == 1) {
		if (rawmouse.Init()) {
			mouse = &rawmouse;
			Com_Printf( "Using raw mouse input\n" );
			return;
		}
		Com_Printf( "Raw mouse initialization failed\n" );
	}

	mouse = &winmouse;
	mouse->Init();
	Com_Printf( "Using Win32 mouse input\n" );
}


qbool IN_ProcessMessage( UINT msg, WPARAM wParam, LPARAM lParam )
{
	if (!mouse)
		return qfalse;

	return mouse->ProcessMessage( msg, wParam, lParam );
}


///////////////////////////////////////////////////////////////


static void IN_StartupMIDI();
static void IN_ShutdownMIDI();

static void IN_StartupJoystick();
static void IN_JoyMove();


cvar_t* in_joystick;
cvar_t* in_midi;


static void IN_Startup()
{
	QSUBSYSTEM_INIT_START( "Input" );
	IN_StartupMouse();
	IN_StartupJoystick();
	IN_StartupMIDI();
	QSUBSYSTEM_INIT_DONE( "Input" );

	in_joystick->modified = qfalse;
}


void IN_Init()
{
	in_midi		= Cvar_Get( "in_midi",		"0", CVAR_ARCHIVE );
	in_joystick	= Cvar_Get( "in_joystick",	"0", CVAR_ARCHIVE|CVAR_LATCH );

	IN_Startup();
}


void IN_Shutdown()
{
	IN_Activate( qfalse );

	if (mouse) {
		mouse->Shutdown();
		mouse = 0;
	}

	IN_ShutdownMIDI();
}


// called when the window gains or loses focus or changes in some way
// the window may have been destroyed and recreated between a deactivate and an activate

void IN_Activate( qbool active )
{
	if ( !mouse || !mouse->Mouse::Activate( active ) )
		return;

	if (active) {
		while (ShowCursor(FALSE) >= 0)
			;
		RECT rc;
		GetWindowRect( g_wv.hWnd, &rc );
		SetCapture( g_wv.hWnd );
		ClipCursor( &rc );
	} else {
		while (ShowCursor(TRUE) < 0)
			;
		ClipCursor( NULL );
		ReleaseCapture();
	}

	mouse->Activate( active );
}


void IN_WindowMoved()
{
	if (!mouse)
		return;

	mouse->OnWindowMoved();
}


qbool IN_ShouldBeActive()
{
	return g_wv.activeApp && (!(cls.keyCatchers & KEYCATCH_CONSOLE) || Cvar_VariableIntegerValue("r_fullscreen"));
}


// called every frame, even if not generating commands

void IN_Frame()
{
	IN_JoyMove();

	if (!mouse)
		return;

	if (!IN_ShouldBeActive()) {
		IN_Activate( qfalse );
		return;
	}

	IN_Activate( qtrue );
}


/*
=========================================================================

JOYSTICK

=========================================================================
*/


typedef struct {
	qbool	avail;
	int			id;			// joystick number
	JOYCAPS		jc;

	int			oldbuttonstate;
	int			oldpovstate;

	JOYINFOEX	ji;
} joystickInfo_t;

static	joystickInfo_t	joy;


static const cvar_t* in_joyBallScale;
static const cvar_t* in_debugJoystick;
static const cvar_t* joy_threshold;


static void IN_StartupJoystick()
{
	// assume no joystick
	joy.avail = qfalse;

	if ( !in_joystick->integer )
		return;

	// verify joystick driver is present
	int numdevs;
	if ((numdevs = joyGetNumDevs()) == 0)
	{
		Com_Printf( "joystick not found -- driver not present\n" );
		return;
	}

	// cycle through the joystick ids for the first valid one
	MMRESULT mmr = !JOYERR_NOERROR;
	for (joy.id=0 ; joy.id<numdevs ; joy.id++)
	{
		Com_Memset (&joy.ji, 0, sizeof(joy.ji));
		joy.ji.dwSize = sizeof(joy.ji);
		joy.ji.dwFlags = JOY_RETURNCENTERED;

		if ((mmr = joyGetPosEx (joy.id, &joy.ji)) == JOYERR_NOERROR)
			break;
	}

	// abort startup if we didn't find a valid joystick
	if (mmr != JOYERR_NOERROR)
	{
		Com_Printf( "joystick not found -- no valid joysticks (%x)\n", mmr );
		return;
	}

	// get the capabilities of the selected joystick
	// abort startup if command fails
	Com_Memset (&joy.jc, 0, sizeof(joy.jc));
	if ((mmr = joyGetDevCaps (joy.id, &joy.jc, sizeof(joy.jc))) != JOYERR_NOERROR)
	{
		Com_Printf( "joystick not found -- invalid joystick capabilities (%x)\n", mmr );
		return;
	}

	// activate and archive the cvars since they actually want joystick support
	in_debugJoystick	= Cvar_Get ("in_debugjoystick",			"0",		CVAR_TEMP);
	in_joyBallScale		= Cvar_Get ("in_joyBallScale",			"0.02",		CVAR_ARCHIVE);
	joy_threshold		= Cvar_Get ("joy_threshold",			"0.15",		CVAR_ARCHIVE);

	Com_Printf( "Joystick found.\n" );
	Com_Printf( "Pname: %s\n", joy.jc.szPname );
	Com_Printf( "OemVxD: %s\n", joy.jc.szOEMVxD );
	Com_Printf( "RegKey: %s\n", joy.jc.szRegKey );

	Com_Printf( "Numbuttons: %i / %i\n", joy.jc.wNumButtons, joy.jc.wMaxButtons );
	Com_Printf( "Axis: %i / %i\n", joy.jc.wNumAxes, joy.jc.wMaxAxes );
	Com_Printf( "Caps: 0x%x\n", joy.jc.wCaps );
	if ( joy.jc.wCaps & JOYCAPS_HASPOV ) {
		Com_Printf( "HASPOV\n" );
	} else {
		Com_Printf( "no POV\n" );
	}

	// old button and POV states default to no buttons pressed
	joy.oldbuttonstate = 0;
	joy.oldpovstate = 0;

	// mark the joystick as available
	joy.avail = qtrue;
}


static float JoyToF( int value )
{
	float	fValue;

	// move centerpoint to zero
	value -= 32768;

	// convert range from -32768..32767 to -1..1
	fValue = (float)value / 32768.0;

	return Com_Clamp( -1, 1, fValue );
}


static int JoyToI( int value )
{
	// move centerpoint to zero
	return (value - 32768);
}


static const int joyDirectionKeys[16] = {
	K_LEFTARROW, K_RIGHTARROW,
	K_UPARROW, K_DOWNARROW,
	K_JOY16, K_JOY17,
	K_JOY18, K_JOY19,
	K_JOY20, K_JOY21,
	K_JOY22, K_JOY23,
	K_JOY24, K_JOY25,
	K_JOY26, K_JOY27
};


static void IN_JoyMove()
{
	float	fAxisValue;
	UINT i;
	DWORD buttonstate, povstate;
	int		x, y;

	// verify joystick is available and that the user wants to use it
	if ( !joy.avail ) {
		return; 
	}

	// collect the joystick data, if possible
	Com_Memset (&joy.ji, 0, sizeof(joy.ji));
	joy.ji.dwSize = sizeof(joy.ji);
	joy.ji.dwFlags = JOY_RETURNALL;

	if ( joyGetPosEx (joy.id, &joy.ji) != JOYERR_NOERROR ) {
		// read error occurred
		// turning off the joystick seems too harsh for 1 read error,
		// but what should be done?
		// Com_Printf ("IN_ReadJoystick: no response\n");
		// joy.avail = qfalse;
		return;
	}

	if ( in_debugJoystick->integer ) {
		Com_Printf( "%8x %5i %5.2f %5.2f %5.2f %5.2f %6i %6i\n",
			joy.ji.dwButtons,
			joy.ji.dwPOV,
			JoyToF( joy.ji.dwXpos ), JoyToF( joy.ji.dwYpos ),
			JoyToF( joy.ji.dwZpos ), JoyToF( joy.ji.dwRpos ),
			JoyToI( joy.ji.dwUpos ), JoyToI( joy.ji.dwVpos ) );
	}

	// loop through the joystick buttons
	// key a joystick event or auxillary event for higher number buttons for each state change
	buttonstate = joy.ji.dwButtons;
	for ( i=0 ; i < joy.jc.wNumButtons ; i++ ) {
		if ( (buttonstate & (1<<i)) && !(joy.oldbuttonstate & (1<<i)) ) {
			Sys_QueEvent( g_wv.sysMsgTime, SE_KEY, K_JOY1 + i, qtrue, 0, NULL );
		}
		if ( !(buttonstate & (1<<i)) && (joy.oldbuttonstate & (1<<i)) ) {
			Sys_QueEvent( g_wv.sysMsgTime, SE_KEY, K_JOY1 + i, qfalse, 0, NULL );
		}
	}
	joy.oldbuttonstate = buttonstate;

	povstate = 0;

	// convert main joystick motion into 6 direction button bits
	for (i = 0; i < joy.jc.wNumAxes && i < 4 ; i++) {
		// get the floating point zero-centered, potentially-inverted data for the current axis
		fAxisValue = JoyToF( (&joy.ji.dwXpos)[i] );

		if ( fAxisValue < -joy_threshold->value ) {
			povstate |= (1<<(i*2));
		} else if ( fAxisValue > joy_threshold->value ) {
			povstate |= (1<<(i*2+1));
		}
	}

	// convert POV information from a direction into 4 button bits
	if ( joy.jc.wCaps & JOYCAPS_HASPOV ) {
		if ( joy.ji.dwPOV != JOY_POVCENTERED ) {
			if (joy.ji.dwPOV == JOY_POVFORWARD)
				povstate |= 1<<12;
			if (joy.ji.dwPOV == JOY_POVBACKWARD)
				povstate |= 1<<13;
			if (joy.ji.dwPOV == JOY_POVRIGHT)
				povstate |= 1<<14;
			if (joy.ji.dwPOV == JOY_POVLEFT)
				povstate |= 1<<15;
		}
	}

	// determine which bits have changed and key an auxillary event for each change
	for (i=0 ; i < 16 ; i++) {
		if ( (povstate & (1<<i)) && !(joy.oldpovstate & (1<<i)) ) {
			Sys_QueEvent( g_wv.sysMsgTime, SE_KEY, joyDirectionKeys[i], qtrue, 0, NULL );
		}

		if ( !(povstate & (1<<i)) && (joy.oldpovstate & (1<<i)) ) {
			Sys_QueEvent( g_wv.sysMsgTime, SE_KEY, joyDirectionKeys[i], qfalse, 0, NULL );
		}
	}
	joy.oldpovstate = povstate;

	// if there is a trackball like interface, simulate mouse moves
	if ( joy.jc.wNumAxes >= 6 ) {
		x = JoyToI( joy.ji.dwUpos ) * in_joyBallScale->value;
		y = JoyToI( joy.ji.dwVpos ) * in_joyBallScale->value;
		if ( x || y ) {
			Sys_QueEvent( g_wv.sysMsgTime, SE_MOUSE, x, y, 0, NULL );
		}
	}
}


/*
=========================================================================

MIDI

=========================================================================
*/


#define MAX_MIDIIN_DEVICES	8

typedef struct {
	int			numDevices;
	MIDIINCAPS	caps[MAX_MIDIIN_DEVICES];
	HMIDIIN		hMidiIn;
} MidiInfo_t;

static MidiInfo_t s_midiInfo;


static const cvar_t* in_midiport;
static const cvar_t* in_midichannel;
static const cvar_t* in_mididevice;


static void MIDI_NoteOff( int note )
{
	int qkey;

	qkey = note - 60 + K_AUX1;

	if ( qkey > 255 || qkey < K_AUX1 )
		return;

	Sys_QueEvent( g_wv.sysMsgTime, SE_KEY, qkey, qfalse, 0, NULL );
}

static void MIDI_NoteOn( int note, int velocity )
{
	int qkey;

	if ( velocity == 0 )
		MIDI_NoteOff( note );

	qkey = note - 60 + K_AUX1;

	if ( qkey > 255 || qkey < K_AUX1 )
		return;

	Sys_QueEvent( g_wv.sysMsgTime, SE_KEY, qkey, qtrue, 0, NULL );
}

static void CALLBACK MidiInProc( HMIDIIN hMidiIn, UINT uMsg, DWORD dwInstance, DWORD dwParam1, DWORD dwParam2 )
{
	int message;

	switch ( uMsg )
	{
	case MIM_OPEN:
		break;
	case MIM_CLOSE:
		break;
	case MIM_DATA:
		message = dwParam1 & 0xff;
		if ( ( message & 0xf0 ) == 0x90 )
		{
			if ( ( ( message & 0x0f ) + 1 ) == in_midichannel->integer )
				MIDI_NoteOn( ( dwParam1 & 0xff00 ) >> 8, ( dwParam1 & 0xff0000 ) >> 16 );
		}
		else if ( ( message & 0xf0 ) == 0x80 )
		{
			if ( ( ( message & 0x0f ) + 1 ) == in_midichannel->integer )
				MIDI_NoteOff( ( dwParam1 & 0xff00 ) >> 8 );
		}
		break;
	case MIM_LONGDATA:
		break;
	case MIM_ERROR:
		break;
	case MIM_LONGERROR:
		break;
	}

//	Sys_QueEvent( sys_msg_time, SE_KEY, wMsg, qtrue, 0, NULL );
}

static void MidiInfo_f( void )
{
	int i;

	const char *enableStrings[] = { "disabled", "enabled" };

	Com_Printf( "\nMIDI control:       %s\n", enableStrings[in_midi->integer != 0] );
	Com_Printf( "port:               %d\n", in_midiport->integer );
	Com_Printf( "channel:            %d\n", in_midichannel->integer );
	Com_Printf( "current device:     %d\n", in_mididevice->integer );
	Com_Printf( "number of devices:  %d\n", s_midiInfo.numDevices );

	for ( i = 0; i < s_midiInfo.numDevices; i++ )
	{
		if ( i == Cvar_VariableValue( "in_mididevice" ) )
			Com_Printf( "***" );
		else
			Com_Printf( "..." );
		Com_Printf(    "device %2d:       %s\n", i, s_midiInfo.caps[i].szPname );
		Com_Printf( "...manufacturer ID: 0x%hx\n", s_midiInfo.caps[i].wMid );
		Com_Printf( "...product ID:      0x%hx\n", s_midiInfo.caps[i].wPid );
		Com_Printf( "\n" );
	}
}

static void IN_StartupMIDI()
{
	int i;

	if ( !Cvar_VariableValue( "in_midi" ) )
		return;

	//
	// enumerate MIDI IN devices
	//
	s_midiInfo.numDevices = midiInGetNumDevs();

	for ( i = 0; i < s_midiInfo.numDevices; i++ )
	{
		midiInGetDevCaps( i, &s_midiInfo.caps[i], sizeof( s_midiInfo.caps[i] ) );
	}

	// activate and archive the cvars since they actually want midi support
	in_midiport		= Cvar_Get ("in_midiport",				"1",		CVAR_ARCHIVE);
	in_midichannel	= Cvar_Get ("in_midichannel",			"1",		CVAR_ARCHIVE);
	in_mididevice	= Cvar_Get ("in_mididevice",			"0",		CVAR_ARCHIVE);

	Cmd_AddCommand( "midiinfo", MidiInfo_f );

	//
	// open the MIDI IN port
	//
	if ( midiInOpen( &s_midiInfo.hMidiIn,
					 in_mididevice->integer,
					 ( unsigned long ) MidiInProc,
					 ( unsigned long ) NULL,
					 CALLBACK_FUNCTION ) != MMSYSERR_NOERROR )
	{
		Com_Printf( "WARNING: could not open MIDI device %d: '%s'\n", in_mididevice->integer , s_midiInfo.caps[( int ) in_mididevice->value] );
		return;
	}

	midiInStart( s_midiInfo.hMidiIn );
}

static void IN_ShutdownMIDI()
{
	if ( s_midiInfo.hMidiIn )
		midiInClose( s_midiInfo.hMidiIn );

	Com_Memset( &s_midiInfo, 0, sizeof( s_midiInfo ) );
	Cmd_RemoveCommand( "midiinfo" );
}