Fix line endings. WHAMMY.

1 files changed, 1586 insertions, 1586 deletions

diff --git a/sp/src/game/server/buttons.cpp b/sp/src/game/server/buttons.cpp
index caab769d..af46d0c4 100644
--- a/sp/src/game/server/buttons.cpp
+++ b/sp/src/game/server/buttons.cpp
@@ -1,1587 +1,1587 @@
-//========= Copyright Valve Corporation, All rights reserved. ============//

-//

-// Purpose: Implements buttons.

-//

-//=============================================================================

-

-#include "cbase.h"

-#include "doors.h"

-#include "ndebugoverlay.h"

-#include "spark.h"

-#include "vstdlib/random.h"

-#include "engine/IEngineSound.h"

-#include "tier1/strtools.h"

-#include "buttons.h"

-#include "eventqueue.h"

-

-// memdbgon must be the last include file in a .cpp file!!!

-#include "tier0/memdbgon.h"

-

-void PlayLockSounds( CBaseEntity *pEdict, locksound_t *pls, int flocked, int fbutton );

-string_t MakeButtonSound( int sound );				// get string of button sound number

-

-

-#define SF_BUTTON_DONTMOVE				1

-#define SF_ROTBUTTON_NOTSOLID			1

-#define	SF_BUTTON_TOGGLE				32		// button stays pushed until reactivated

-#define SF_BUTTON_TOUCH_ACTIVATES		256		// Button fires when touched.

-#define SF_BUTTON_DAMAGE_ACTIVATES		512		// Button fires when damaged.

-#define SF_BUTTON_USE_ACTIVATES			1024	// Button fires when used.

-#define SF_BUTTON_LOCKED				2048	// Whether the button is initially locked.

-#define	SF_BUTTON_SPARK_IF_OFF			4096	// button sparks in OFF state

-#define	SF_BUTTON_JIGGLE_ON_USE_LOCKED	8192	// whether to jiggle if someone uses us when we're locked

-

-BEGIN_DATADESC( CBaseButton )

-

-	DEFINE_KEYFIELD( m_vecMoveDir, FIELD_VECTOR, "movedir" ),

-	DEFINE_FIELD( m_fStayPushed, FIELD_BOOLEAN ),

-	DEFINE_FIELD( m_fRotating, FIELD_BOOLEAN ),

-

-	DEFINE_FIELD( m_bLockedSound, FIELD_CHARACTER ),

-	DEFINE_FIELD( m_bLockedSentence, FIELD_CHARACTER ),

-	DEFINE_FIELD( m_bUnlockedSound, FIELD_CHARACTER ),	

-	DEFINE_FIELD( m_bUnlockedSentence, FIELD_CHARACTER ),

-	DEFINE_FIELD( m_bLocked, FIELD_BOOLEAN ),

-	DEFINE_FIELD( m_sNoise, FIELD_SOUNDNAME ),

-	DEFINE_FIELD( m_flUseLockedTime, FIELD_TIME ),

-	DEFINE_FIELD( m_bSolidBsp, FIELD_BOOLEAN ),

-	

-	DEFINE_KEYFIELD( m_sounds, FIELD_INTEGER, "sounds" ),

-	

-//	DEFINE_FIELD( m_ls, FIELD_SOUNDNAME ),   // This is restored in Precache()

-//  DEFINE_FIELD( m_nState, FIELD_INTEGER ),

-

-	// Function Pointers

-	DEFINE_FUNCTION( ButtonTouch ),

-	DEFINE_FUNCTION( ButtonSpark ),

-	DEFINE_FUNCTION( TriggerAndWait ),

-	DEFINE_FUNCTION( ButtonReturn ),

-	DEFINE_FUNCTION( ButtonBackHome ),

-	DEFINE_FUNCTION( ButtonUse ),

-

-	// Inputs

-	DEFINE_INPUTFUNC( FIELD_VOID, "Lock", InputLock ),

-	DEFINE_INPUTFUNC( FIELD_VOID, "Unlock", InputUnlock ),

-	DEFINE_INPUTFUNC( FIELD_VOID, "Press", InputPress ),

-	DEFINE_INPUTFUNC( FIELD_VOID, "PressIn", InputPressIn ),

-	DEFINE_INPUTFUNC( FIELD_VOID, "PressOut", InputPressOut ),

-

-	// Outputs

-	DEFINE_OUTPUT( m_OnDamaged, "OnDamaged" ),

-	DEFINE_OUTPUT( m_OnPressed, "OnPressed" ),

-	DEFINE_OUTPUT( m_OnUseLocked, "OnUseLocked" ),

-	DEFINE_OUTPUT( m_OnIn, "OnIn" ),

-	DEFINE_OUTPUT( m_OnOut, "OnOut" ),

-

-END_DATADESC()

-

-

-LINK_ENTITY_TO_CLASS( func_button, CBaseButton );

-

-

-

-void CBaseButton::Precache( void )

-{

-	// get door button sounds, for doors which require buttons to open

-	if (m_bLockedSound)

-	{

-		m_ls.sLockedSound = MakeButtonSound( (int)m_bLockedSound );

-		PrecacheScriptSound(m_ls.sLockedSound.ToCStr());

-	}

-

-	if (m_bUnlockedSound)

-	{

-		m_ls.sUnlockedSound = MakeButtonSound( (int)m_bUnlockedSound );

-		PrecacheScriptSound(m_ls.sUnlockedSound.ToCStr());

-	}

-

-	// get sentence group names, for doors which are directly 'touched' to open

-

-	switch (m_bLockedSentence)

-	{

-		case 1: m_ls.sLockedSentence = MAKE_STRING("NA"); break; // access denied

-		case 2: m_ls.sLockedSentence = MAKE_STRING("ND"); break; // security lockout

-		case 3: m_ls.sLockedSentence = MAKE_STRING("NF"); break; // blast door

-		case 4: m_ls.sLockedSentence = MAKE_STRING("NFIRE"); break; // fire door

-		case 5: m_ls.sLockedSentence = MAKE_STRING("NCHEM"); break; // chemical door

-		case 6: m_ls.sLockedSentence = MAKE_STRING("NRAD"); break; // radiation door

-		case 7: m_ls.sLockedSentence = MAKE_STRING("NCON"); break; // gen containment

-		case 8: m_ls.sLockedSentence = MAKE_STRING("NH"); break; // maintenance door

-		case 9: m_ls.sLockedSentence = MAKE_STRING("NG"); break; // broken door

-		

-		default: m_ls.sLockedSentence = NULL_STRING; break;

-	}

-

-	switch (m_bUnlockedSentence)

-	{

-		case 1: m_ls.sUnlockedSentence = MAKE_STRING("EA"); break; // access granted

-		case 2: m_ls.sUnlockedSentence = MAKE_STRING("ED"); break; // security door

-		case 3: m_ls.sUnlockedSentence = MAKE_STRING("EF"); break; // blast door

-		case 4: m_ls.sUnlockedSentence = MAKE_STRING("EFIRE"); break; // fire door

-		case 5: m_ls.sUnlockedSentence = MAKE_STRING("ECHEM"); break; // chemical door

-		case 6: m_ls.sUnlockedSentence = MAKE_STRING("ERAD"); break; // radiation door

-		case 7: m_ls.sUnlockedSentence = MAKE_STRING("ECON"); break; // gen containment

-		case 8: m_ls.sUnlockedSentence = MAKE_STRING("EH"); break; // maintenance door

-	

-		default: m_ls.sUnlockedSentence = NULL_STRING; break;

-	}

-

-	if ( m_sNoise != NULL_STRING )

-	{

-		PrecacheScriptSound( STRING( m_sNoise ) );

-	}

-}

-

-

-//-----------------------------------------------------------------------------

-// Purpose: Cache user-entity-field values until spawn is called.

-// Input  : szKeyName - 

-//			szValue - 

-// Output : Returns true if handled, false if not.

-//-----------------------------------------------------------------------------

-bool CBaseButton::KeyValue( const char *szKeyName, const char *szValue )

-{

-	if (FStrEq(szKeyName, "locked_sound"))

-	{

-		m_bLockedSound = atof(szValue);

-	}

-	else if (FStrEq(szKeyName, "locked_sentence"))

-	{

-		m_bLockedSentence = atof(szValue);

-	}

-	else if (FStrEq(szKeyName, "unlocked_sound"))

-	{

-		m_bUnlockedSound = atof(szValue);

-	}

-	else if (FStrEq(szKeyName, "unlocked_sentence"))

-	{

-		m_bUnlockedSentence = atof(szValue);

-	}

-	else

-	{

-		return BaseClass::KeyValue( szKeyName, szValue );

-	}

-

-	return true;

-}

-

-

-//-----------------------------------------------------------------------------

-// Purpose: Locks the button. If locked, the button will play the locked sound

-//			when the player tries to use it.

-//-----------------------------------------------------------------------------

-void CBaseButton::Lock()

-{

-	m_bLocked = true;

-}

-

-

-//-----------------------------------------------------------------------------

-// Purpose: Unlocks the button, making it able to be pressed again.

-//-----------------------------------------------------------------------------

-void CBaseButton::Unlock()

-{

-	m_bLocked = false;

-}

-

-

-//-----------------------------------------------------------------------------

-// Purpose: Locks the button. If locked, the button will play the locked sound

-//			when the player tries to use it.

-//-----------------------------------------------------------------------------

-void CBaseButton::InputLock( inputdata_t &inputdata )

-{

-	Lock();

-}

-

-

-//-----------------------------------------------------------------------------

-// Purpose: Unlocks the button, making it able to be pressed again.

-//-----------------------------------------------------------------------------

-void CBaseButton::InputUnlock( inputdata_t &inputdata )

-{

-	Unlock();

-}

-

-

-//-----------------------------------------------------------------------------

-// Presses or unpresses the button.

-//-----------------------------------------------------------------------------

-void CBaseButton::Press( CBaseEntity *pActivator, BUTTON_CODE eCode )

-{

-	if ( ( eCode == BUTTON_PRESS ) && ( m_toggle_state == TS_GOING_UP || m_toggle_state == TS_GOING_DOWN ) )

-	{

-		return;

-	}

-

-	if ( ( eCode == BUTTON_ACTIVATE ) && ( m_toggle_state == TS_GOING_UP || m_toggle_state == TS_AT_TOP ) )

-	{

-		return;

-	}

-

-	if ( ( eCode == BUTTON_RETURN ) && ( m_toggle_state == TS_GOING_DOWN || m_toggle_state == TS_AT_BOTTOM ) )

-	{

-		return;

-	}

-

-	// FIXME: consolidate all the button press code into one place!

-	if (m_bLocked)

-	{

-		// play button locked sound

-		PlayLockSounds(this, &m_ls, TRUE, TRUE);

-		return;

-	}

-

-	// Temporarily disable the touch function, until movement is finished.

-	SetTouch( NULL );

-

-	if ( ( ( eCode == BUTTON_PRESS ) && ( m_toggle_state == TS_AT_TOP ) ) ||

-		 ( ( eCode == BUTTON_RETURN ) && ( m_toggle_state == TS_AT_TOP || m_toggle_state == TS_GOING_UP ) ) )

-	{

-		if ( m_sNoise != NULL_STRING )

-		{

-			CPASAttenuationFilter filter( this );

-

-			EmitSound_t ep;

-			ep.m_nChannel = CHAN_VOICE;

-			ep.m_pSoundName = (char*)STRING(m_sNoise);

-			ep.m_flVolume = 1;

-			ep.m_SoundLevel = SNDLVL_NORM;

-

-			EmitSound( filter, entindex(), ep );

-		}

-

-		m_OnPressed.FireOutput(pActivator, this);

-		ButtonReturn();

-	}

-	else if ( ( eCode == BUTTON_PRESS ) ||

-			  ( ( eCode == BUTTON_ACTIVATE ) && ( m_toggle_state == TS_AT_BOTTOM || m_toggle_state == TS_GOING_DOWN ) ) )

-	{

-		m_OnPressed.FireOutput(pActivator, this);

-		ButtonActivate();

-	}

-}

-

-

-//-----------------------------------------------------------------------------

-// Presses the button.

-//-----------------------------------------------------------------------------

-void CBaseButton::InputPress( inputdata_t &inputdata )

-{

-	Press( inputdata.pActivator, BUTTON_PRESS );

-}

-

-

-//-----------------------------------------------------------------------------

-// Presses the button, sending it to the top/pressed position.

-//-----------------------------------------------------------------------------

-void CBaseButton::InputPressIn( inputdata_t &inputdata )

-{

-	Press( inputdata.pActivator, BUTTON_ACTIVATE );

-}

-

-

-//-----------------------------------------------------------------------------

-// Unpresses the button, sending it to the unpressed/bottom position.

-//-----------------------------------------------------------------------------

-void CBaseButton::InputPressOut( inputdata_t &inputdata )

-{

-	Press( inputdata.pActivator, BUTTON_RETURN );

-}

-

-

-//-----------------------------------------------------------------------------

-// Purpose: We have been damaged. Possibly activate, depending on our flags.

-// Input  : pInflictor - 

-//			pAttacker - 

-//			flDamage - 

-//			bitsDamageType - 

-// Output : 

-//-----------------------------------------------------------------------------

-int CBaseButton::OnTakeDamage( const CTakeDamageInfo &info )

-{

-	m_OnDamaged.FireOutput(m_hActivator, this);

-

-	// dvsents2: remove obselete health keyvalue from func_button

-	if (!HasSpawnFlags(SF_BUTTON_DAMAGE_ACTIVATES) && (m_iHealth == 0))

-	{

-		return(0);

-	}

-

-	BUTTON_CODE code = ButtonResponseToTouch();

-

-	if ( code == BUTTON_NOTHING )

-		return 0;

-

-	m_hActivator = info.GetAttacker();

-

-	// dvsents2: why would activator be NULL here?

-	if ( m_hActivator == NULL )

-		return 0;

-

-	if (m_bLocked)

-	{

-		return(0);

-	}

-

-	// Temporarily disable the touch function, until movement is finished.

-	SetTouch( NULL );

-

-	if ( code == BUTTON_RETURN )

-	{

-		if ( m_sNoise != NULL_STRING )

-		{

-			CPASAttenuationFilter filter( this );

-

-			EmitSound_t ep;

-			ep.m_nChannel = CHAN_VOICE;

-			ep.m_pSoundName = (char*)STRING(m_sNoise);

-			ep.m_flVolume = 1;

-			ep.m_SoundLevel = SNDLVL_NORM;

-

-			EmitSound( filter, entindex(), ep );

-		}

-

-		m_OnPressed.FireOutput(m_hActivator, this);

-		ButtonReturn();

-	}

-	else

-	{

-		// code == BUTTON_ACTIVATE

-		m_OnPressed.FireOutput(m_hActivator, this);

-		ButtonActivate( );

-	}

-

-	return 0;

-}

-

-

-void CBaseButton::Spawn( )

-{ 

-	//----------------------------------------------------

-	//determine sounds for buttons

-	//a sound of 0 should not make a sound

-	//----------------------------------------------------

-	if ( m_sounds )

-	{

-		m_sNoise = MakeButtonSound( m_sounds );

-		PrecacheScriptSound(m_sNoise.ToCStr());

-	}

-	else

-	{

-		m_sNoise = NULL_STRING;

-	}

-

-	Precache();

-

-	if ( HasSpawnFlags( SF_BUTTON_SPARK_IF_OFF ) )// this button should spark in OFF state

-	{

-		SetThink ( &CBaseButton::ButtonSpark );

-		SetNextThink( gpGlobals->curtime + 0.5f );// no hurry, make sure everything else spawns

-	}

-

-	// Convert movedir from angles to a vector

-	QAngle angMoveDir = QAngle( m_vecMoveDir.x, m_vecMoveDir.y, m_vecMoveDir.z );

-	AngleVectors( angMoveDir, &m_vecMoveDir );

-

-	SetMoveType( MOVETYPE_PUSH );

-	SetSolid( SOLID_BSP );

-	SetModel( STRING( GetModelName() ) );

-	

-	if (m_flSpeed == 0)

-	{

-		m_flSpeed = 40;

-	}

-

-	m_takedamage = DAMAGE_YES;

-

-	if (m_flWait == 0)

-	{

-		m_flWait = 1;

-	}

-

-	if (m_flLip == 0)

-	{

-		m_flLip = 4;

-	}

-

-	m_toggle_state = TS_AT_BOTTOM;

-	m_vecPosition1 = GetLocalOrigin();

-

-	// Subtract 2 from size because the engine expands bboxes by 1 in all directions making the size too big

-	Vector vecButtonOBB = CollisionProp()->OBBSize();

-	vecButtonOBB -= Vector( 2, 2, 2 );

-	m_vecPosition2	= m_vecPosition1 + (m_vecMoveDir * (DotProductAbs( m_vecMoveDir, vecButtonOBB ) - m_flLip));

-

-	// Is this a non-moving button?

-	if ( ((m_vecPosition2 - m_vecPosition1).Length() < 1) || HasSpawnFlags(SF_BUTTON_DONTMOVE) )

-	{

-		m_vecPosition2 = m_vecPosition1;

-	}

-

-	m_fStayPushed = (m_flWait == -1 ? TRUE : FALSE);

-	m_fRotating = FALSE;

-

-	if (HasSpawnFlags(SF_BUTTON_LOCKED))

-	{

-		m_bLocked = true;

-	}

-

-	//

-	// If using activates the button, set its use function.

-	//

-	if (HasSpawnFlags(SF_BUTTON_USE_ACTIVATES))

-	{

-		SetUse(&CBaseButton::ButtonUse);

-	}

-	else

-	{

-		SetUse(NULL);

-	}

-

-	//

-	// If touching activates the button, set its touch function.

-	//

-	if (HasSpawnFlags(SF_BUTTON_TOUCH_ACTIVATES))

-	{

-		SetTouch( &CBaseButton::ButtonTouch );

-	}

-	else 

-	{

-		SetTouch ( NULL );

-	}

-

-	CreateVPhysics();

-}

-

-//-----------------------------------------------------------------------------

-

-bool CBaseButton::CreateVPhysics()

-{

-	VPhysicsInitShadow( false, false );

-	return true;

-}

-

-

-//-----------------------------------------------------------------------------

-// Purpose: Button sound table.

-//			Also used by CBaseDoor to get 'touched' door lock/unlock sounds

-// Input  : sound - index of sound to look up.

-// Output : Returns a pointer to the corresponding sound file.

-//-----------------------------------------------------------------------------

-string_t MakeButtonSound( int sound )

-{ 

-	char tmp[1024];

-	Q_snprintf( tmp, sizeof(tmp), "Buttons.snd%d", sound );

-	return AllocPooledString(tmp);

-}

-

-

-//-----------------------------------------------------------------------------

-// Purpose: Think function that emits sparks at random intervals.

-//-----------------------------------------------------------------------------

-void CBaseButton::ButtonSpark ( void )

-{

-	SetThink ( &CBaseButton::ButtonSpark );

-	SetNextThink( gpGlobals->curtime + 0.1 + random->RandomFloat ( 0, 1.5 ) );// spark again at random interval

-

-	DoSpark( this, WorldSpaceCenter(), 1, 1, true, vec3_origin );

-}

-

-

-//-----------------------------------------------------------------------------

-// Purpose: Called when someone uses us whilst we are locked.

-//-----------------------------------------------------------------------------

-bool CBaseButton::OnUseLocked( CBaseEntity *pActivator )

-{

-	PlayLockSounds(this, &m_ls, TRUE, TRUE);

-

-	if ( gpGlobals->curtime > m_flUseLockedTime )

-	{

-		m_OnUseLocked.FireOutput( pActivator, this );

-		m_flUseLockedTime = gpGlobals->curtime + 0.5;

-		return true;

-	}

-

-	return false;

-}

-

-

-//-----------------------------------------------------------------------------

-// Purpose: Use function that starts the button moving.

-// Input  : pActivator - 

-//			pCaller - 

-//			useType - 

-//			value - 

-//-----------------------------------------------------------------------------

-void CBaseButton::ButtonUse( CBaseEntity *pActivator, CBaseEntity *pCaller, USE_TYPE useType, float value )

-{

-	// Ignore touches if button is moving, or pushed-in and waiting to auto-come-out.

-	// UNDONE: Should this use ButtonResponseToTouch() too?

-	if (m_toggle_state == TS_GOING_UP || m_toggle_state == TS_GOING_DOWN )

-		return;		

-

-	if (m_bLocked)

-	{

-		OnUseLocked( pActivator );

-		return;

-	}

-

-	m_hActivator = pActivator;

-

-	if ( m_toggle_state == TS_AT_TOP)

-	{

-		//

-		// If it's a toggle button it can return now. Otherwise, it will either

-		// return on its own or will stay pressed indefinitely.

-		//

-		if ( HasSpawnFlags(SF_BUTTON_TOGGLE))

-		{

-			if ( m_sNoise != NULL_STRING )

-			{

-				CPASAttenuationFilter filter( this );

-

-				EmitSound_t ep;

-				ep.m_nChannel = CHAN_VOICE;

-				ep.m_pSoundName = (char*)STRING(m_sNoise);

-				ep.m_flVolume = 1;

-				ep.m_SoundLevel = SNDLVL_NORM;

-

-				EmitSound( filter, entindex(), ep );

-			}

-

-			m_OnPressed.FireOutput(m_hActivator, this);

-			ButtonReturn();

-		}

-	}

-	else

-	{

-		m_OnPressed.FireOutput(m_hActivator, this);

-		ButtonActivate( );

-	}

-}

-

-

-//-----------------------------------------------------------------------------

-// Purpose: Returns a code indicating how the button should respond to being touched.

-// Output : Returns one of the following:

-//				BUTTON_NOTHING - do nothing

-//				BUTTON_RETURN - 

-//				BUTTON_ACTIVATE - act as if pressed

-//-----------------------------------------------------------------------------

-CBaseButton::BUTTON_CODE CBaseButton::ButtonResponseToTouch( void )

-{

-	// Ignore touches if button is moving, or pushed-in and waiting to auto-come-out.

-	if (m_toggle_state == TS_GOING_UP ||

-		m_toggle_state == TS_GOING_DOWN ||

-		(m_toggle_state == TS_AT_TOP && !m_fStayPushed && !HasSpawnFlags(SF_BUTTON_TOGGLE) ) )

-		return BUTTON_NOTHING;

-

-	if (m_toggle_state == TS_AT_TOP)

-	{

-		if ( HasSpawnFlags(SF_BUTTON_TOGGLE) && !m_fStayPushed)

-		{

-			return BUTTON_RETURN;

-		}

-	}

-	else

-		return BUTTON_ACTIVATE;

-

-	return BUTTON_NOTHING;

-}

-

-

-//-----------------------------------------------------------------------------

-// Purpose: Touch function that activates the button if it responds to touch.

-// Input  : pOther - The entity that touched us.

-//-----------------------------------------------------------------------------

-void CBaseButton::ButtonTouch( CBaseEntity *pOther )

-{

-	// Ignore touches by anything but players

-	if ( !pOther->IsPlayer() )

-		return;

-

-	m_hActivator = pOther;

-

-	BUTTON_CODE code = ButtonResponseToTouch();

-

-	if ( code == BUTTON_NOTHING )

-		return;

-

-	if (!UTIL_IsMasterTriggered(m_sMaster, pOther) || m_bLocked)

-	{

-		// play button locked sound

-		PlayLockSounds(this, &m_ls, TRUE, TRUE);

-		return;

-	}

-

-	// Temporarily disable the touch function, until movement is finished.

-	SetTouch( NULL );

-

-	if ( code == BUTTON_RETURN )

-	{

-		if ( m_sNoise != NULL_STRING )

-		{

-			CPASAttenuationFilter filter( this );

-

-			EmitSound_t ep;

-			ep.m_nChannel = CHAN_VOICE;

-			ep.m_pSoundName = (char*)STRING(m_sNoise);

-			ep.m_flVolume = 1;

-			ep.m_SoundLevel = SNDLVL_NORM;

-

-			EmitSound( filter, entindex(), ep );

-		}

-

-		m_OnPressed.FireOutput(m_hActivator, this);

-		ButtonReturn();

-	}

-	else

-	{

-		// code == BUTTON_ACTIVATE

-		m_OnPressed.FireOutput(m_hActivator, this);

-		ButtonActivate( );

-	}

-}

-

-

-//-----------------------------------------------------------------------------

-// Purpose: Starts the button moving "in/up".

-// Input  : *pOther - 

-//-----------------------------------------------------------------------------

-void CBaseButton::ButtonActivate( void )

-{

-	if ( m_sNoise != NULL_STRING )

-	{

-		CPASAttenuationFilter filter( this );

-

-		EmitSound_t ep;

-		ep.m_nChannel = CHAN_VOICE;

-		ep.m_pSoundName = (char*)STRING(m_sNoise);

-		ep.m_flVolume = 1;

-		ep.m_SoundLevel = SNDLVL_NORM;

-

-		EmitSound( filter, entindex(), ep );

-	}

-	

-	if (!UTIL_IsMasterTriggered(m_sMaster, m_hActivator) || m_bLocked)

-	{

-		// button is locked, play locked sound

-		PlayLockSounds(this, &m_ls, TRUE, TRUE);

-		return;

-	}

-	else

-	{

-		// button is unlocked, play unlocked sound

-		PlayLockSounds(this, &m_ls, FALSE, TRUE);

-	}

-

-	ASSERT(m_toggle_state == TS_AT_BOTTOM);

-	m_toggle_state = TS_GOING_UP;

-	

-	SetMoveDone( &CBaseButton::TriggerAndWait );

-	if (!m_fRotating)

-		LinearMove( m_vecPosition2, m_flSpeed);

-	else

-		AngularMove( m_vecAngle2, m_flSpeed);

-}

-

-

-//-----------------------------------------------------------------------------

-// Purpose: Enables or disables the use capability based on our spawnflags.

-//-----------------------------------------------------------------------------

-int	CBaseButton::ObjectCaps(void)

-{

-	return((BaseClass::ObjectCaps() & ~FCAP_ACROSS_TRANSITION) |

-			(HasSpawnFlags(SF_BUTTON_USE_ACTIVATES) ? (FCAP_IMPULSE_USE | FCAP_USE_IN_RADIUS) : 0));

-}

-

-

-//-----------------------------------------------------------------------------

-// Purpose: Button has reached the "pressed/top" position. Fire its OnIn output,

-//			and pause before returning to "unpressed/bottom".

-//-----------------------------------------------------------------------------

-void CBaseButton::TriggerAndWait( void )

-{

-	ASSERT(m_toggle_state == TS_GOING_UP);

-

-	if (!UTIL_IsMasterTriggered(m_sMaster, m_hActivator) || m_bLocked)

-	{

-		return;

-	}

-

-	m_toggle_state = TS_AT_TOP;

-	

-	//

-	// Re-instate touches if the button is of the toggle variety.

-	//

-	if (m_fStayPushed || HasSpawnFlags(SF_BUTTON_TOGGLE ) )

-	{

-		if (HasSpawnFlags(SF_BUTTON_TOUCH_ACTIVATES))

-		{

-			SetTouch(&CBaseButton::ButtonTouch);

-		}

-		else

-		{

-			// BUGBUG: ALL buttons no longer respond to touch

-			SetTouch (NULL);

-		}

-	}

-

-	//

-	// If button automatically comes back out, start it moving out.

-	//

-	else

-	{

-		SetNextThink( gpGlobals->curtime + m_flWait );

-		SetThink( &CBaseButton::ButtonReturn );

-	}

-	

-	m_nState = 1;			// use alternate textures

-

-	m_OnIn.FireOutput(m_hActivator, this);

-}

-

-

-//-----------------------------------------------------------------------------

-// Purpose: Starts the button moving "out/down".

-//-----------------------------------------------------------------------------

-void CBaseButton::ButtonReturn( void )

-{

-	ASSERT(m_toggle_state == TS_AT_TOP);

-	m_toggle_state = TS_GOING_DOWN;

-	

-	SetMoveDone( &CBaseButton::ButtonBackHome );

-	if (!m_fRotating)

-		LinearMove( m_vecPosition1, m_flSpeed);

-	else

-		AngularMove( m_vecAngle1, m_flSpeed);

-

-	m_nState = 0;			// use normal textures

-}

-

-

-//-----------------------------------------------------------------------------

-// Purpose: Button has returned to the "unpressed/bottom" position. Fire its

-//			OnOut output and stop moving.

-//-----------------------------------------------------------------------------

-void CBaseButton::ButtonBackHome( void )

-{

-	ASSERT(m_toggle_state == TS_GOING_DOWN);

-	m_toggle_state = TS_AT_BOTTOM;

-

-	m_OnOut.FireOutput(m_hActivator, this);

-

-	//

-	// Re-instate touch method, movement cycle is complete.

-	//

-	if (HasSpawnFlags(SF_BUTTON_TOUCH_ACTIVATES))

-	{

-		SetTouch( &CBaseButton::ButtonTouch );

-	}

-	else

-	{

-		// BUGBUG: ALL buttons no longer respond to touch

-		SetTouch ( NULL );

-	}

-

-	// reset think for a sparking button

-	if (HasSpawnFlags( SF_BUTTON_SPARK_IF_OFF ) )

-	{

-		SetThink ( &CBaseButton::ButtonSpark );

-		SetNextThink( gpGlobals->curtime + 0.5f );// no hurry

-	}

-}

-

-

-//-----------------------------------------------------------------------------

-//-----------------------------------------------------------------------------

-int CBaseButton::DrawDebugTextOverlays()

-{

-	int text_offset = BaseClass::DrawDebugTextOverlays();

-

-	if (m_debugOverlays & OVERLAY_TEXT_BIT) 

-	{

-		static const char *pszStates[] =

-		{

-			"Pressed",

-			"Unpressed",

-			"Pressing...",

-			"Unpressing...",

-			"<UNKNOWN STATE>",

-		};

-	

-		char tempstr[255];

-

-		int nState = m_toggle_state;

-		if ( ( nState < 0 ) || ( nState > 3 ) )

-		{

-			nState = 4;

-		}

-

-		Q_snprintf( tempstr, sizeof(tempstr), "State: %s", pszStates[nState] );

-		EntityText( text_offset, tempstr, 0 );

-		text_offset++;

-

-		Q_snprintf( tempstr, sizeof(tempstr), "%s", m_bLocked ? "Locked" : "Unlocked" );

-		EntityText( text_offset, tempstr, 0 );

-		text_offset++;

-	}

-	return text_offset;

-}

-

-

-//

-// Rotating button (aka "lever")

-//

-LINK_ENTITY_TO_CLASS( func_rot_button, CRotButton );

-

-

-void CRotButton::Spawn( void )

-{

-	//----------------------------------------------------

-	//determine sounds for buttons

-	//a sound of 0 should not make a sound

-	//----------------------------------------------------

-	if ( m_sounds )

-	{

-		m_sNoise = MakeButtonSound( m_sounds );

-		PrecacheScriptSound(m_sNoise.ToCStr());

-	}

-	else

-	{

-		m_sNoise = NULL_STRING;

-	}

-

-	// set the axis of rotation

-	CBaseToggle::AxisDir();

-

-	// check for clockwise rotation

-	if ( HasSpawnFlags( SF_DOOR_ROTATE_BACKWARDS) )

-	{

-		m_vecMoveAng = m_vecMoveAng * -1;

-	}

-

-	SetMoveType( MOVETYPE_PUSH );

-	

-#ifdef HL1_DLL

-	SetSolid( SOLID_BSP );

-#else

-	SetSolid( SOLID_VPHYSICS );

-#endif

-	if ( HasSpawnFlags( SF_ROTBUTTON_NOTSOLID ) )

-	{

-		AddEFlags( EFL_USE_PARTITION_WHEN_NOT_SOLID );

-		AddSolidFlags( FSOLID_NOT_SOLID );

-	}

-

-	SetModel( STRING( GetModelName() ) );

-	

-	if (m_flSpeed == 0)

-		m_flSpeed = 40;

-

-	if (m_flWait == 0)

-		m_flWait = 1;

-

-	if (m_iHealth > 0)

-	{

-		m_takedamage = DAMAGE_YES;

-	}

-

-	m_toggle_state = TS_AT_BOTTOM;

-	m_vecAngle1	= GetLocalAngles();

-	m_vecAngle2	= GetLocalAngles() + m_vecMoveAng * m_flMoveDistance;

-	ASSERTSZ(m_vecAngle1 != m_vecAngle2, "rotating button start/end positions are equal\n");

-

-	m_fStayPushed = (m_flWait == -1 ? TRUE : FALSE);

-	m_fRotating = TRUE;

-

-	SetUse(&CRotButton::ButtonUse);

-

-	//

-	// If touching activates the button, set its touch function.

-	//

-	if (!HasSpawnFlags(SF_BUTTON_TOUCH_ACTIVATES))

-	{

-		SetTouch ( NULL );

-	}

-	else

-	{

-		SetTouch( &CRotButton::ButtonTouch );

-	}

-

-	CreateVPhysics();

-}

-

-

-bool CRotButton::CreateVPhysics( void )

-{

-	VPhysicsInitShadow( false, false );

-	return true;

-}

-

-

-//-----------------------------------------------------------------------------

-// CMomentaryRotButton spawnflags

-//-----------------------------------------------------------------------------

-#define SF_MOMENTARY_DOOR			1

-#define SF_MOMENTARY_NOT_USABLE		2

-#define SF_MOMENTARY_AUTO_RETURN	16

-

-

-BEGIN_DATADESC( CMomentaryRotButton )

-

-	DEFINE_FIELD( m_lastUsed, FIELD_INTEGER ),

-	DEFINE_FIELD( m_start, FIELD_VECTOR ),

-	DEFINE_FIELD( m_end, FIELD_VECTOR ),

-	DEFINE_FIELD( m_IdealYaw, FIELD_FLOAT ),

-	DEFINE_FIELD( m_sNoise, FIELD_SOUNDNAME ),

-	DEFINE_FIELD( m_bUpdateTarget, FIELD_BOOLEAN ),

-

-	DEFINE_KEYFIELD( m_direction, FIELD_INTEGER, "StartDirection" ),

-	DEFINE_KEYFIELD( m_returnSpeed, FIELD_FLOAT, "returnspeed" ),

-	DEFINE_KEYFIELD( m_flStartPosition, FIELD_FLOAT, "StartPosition"),

-	DEFINE_KEYFIELD( m_bSolidBsp, FIELD_BOOLEAN, "solidbsp" ),

-

-	// Function Pointers

-	DEFINE_FUNCTION( UseMoveDone ),

-	DEFINE_FUNCTION( ReturnMoveDone ),

-	DEFINE_FUNCTION( SetPositionMoveDone ),

-	DEFINE_FUNCTION( UpdateThink ),

-

-	// Inputs

-	DEFINE_INPUTFUNC( FIELD_FLOAT, "SetPosition", InputSetPosition ),

-	DEFINE_INPUTFUNC( FIELD_FLOAT, "SetPositionImmediately", InputSetPositionImmediately ),

-	DEFINE_INPUTFUNC( FIELD_VOID, "_DisableUpdateTarget", InputDisableUpdateTarget ),

-	DEFINE_INPUTFUNC( FIELD_VOID, "_EnableUpdateTarget", InputEnableUpdateTarget ),

-

-	// Outputs

-	DEFINE_OUTPUT( m_Position, "Position" ),

-	DEFINE_OUTPUT( m_OnUnpressed, "OnUnpressed" ),

-	DEFINE_OUTPUT( m_OnFullyClosed, "OnFullyClosed" ),

-	DEFINE_OUTPUT( m_OnFullyOpen, "OnFullyOpen" ),

-	DEFINE_OUTPUT( m_OnReachedPosition, "OnReachedPosition" ),

-

-	DEFINE_INPUTFUNC( FIELD_VOID,	"Enable",	InputEnable ),

-	DEFINE_INPUTFUNC( FIELD_VOID,	"Disable",	InputDisable ),

-	DEFINE_FIELD( m_bDisabled, FIELD_BOOLEAN )

-

-END_DATADESC()

-

-

-LINK_ENTITY_TO_CLASS( momentary_rot_button, CMomentaryRotButton );

-

-

-//-----------------------------------------------------------------------------

-// Purpose: Called when spawning, after keyvalues have been handled.

-//-----------------------------------------------------------------------------

-void CMomentaryRotButton::Spawn( void )

-{

-	CBaseToggle::AxisDir();

-

-	m_bUpdateTarget = true;

-

-	if ( m_flSpeed == 0 )

-	{

-		m_flSpeed = 100;

-	}

-

-	// Clamp start position and issue bounds warning

-	if (m_flStartPosition < 0.0f || m_flStartPosition > 1.0f)

-	{

-		Warning("WARNING: Momentary door (%s) start position not between 0 and 1.  Clamping.\n",GetDebugName());

-		m_flStartPosition = clamp(m_IdealYaw, 0.f, 1.f);

-	}

-

-	// Check direction fields (for backward compatibility)

-	if (m_direction != 1 && m_direction != -1)

-	{

-		m_direction = 1;

-	}

-

-	if (m_flMoveDistance < 0)

-	{

-		m_vecMoveAng = m_vecMoveAng * -1;

-		m_flMoveDistance = -m_flMoveDistance;

-	}

-

-	m_start = GetLocalAngles() - m_vecMoveAng * m_flMoveDistance * m_flStartPosition;

-	m_end	= GetLocalAngles() + m_vecMoveAng * m_flMoveDistance * (1-m_flStartPosition);

-

-	m_IdealYaw			= m_flStartPosition;

-

-	// Force start direction at end points

-	if (m_flStartPosition == 0.0)

-	{

-		m_direction = -1;

-	}

-	else if (m_flStartPosition == 1.0)

-	{

-		m_direction = 1;

-	}

-

-	if (HasSpawnFlags(SF_BUTTON_LOCKED))

-	{

-		m_bLocked = true;

-	}

-

-	if ( HasSpawnFlags( SF_BUTTON_USE_ACTIVATES ) )

-	{

-		if ( m_sounds )

-		{

-			m_sNoise = MakeButtonSound( m_sounds );

-			PrecacheScriptSound(m_sNoise.ToCStr());

-		}

-		else

-		{

-			m_sNoise = NULL_STRING;

-		}

-

-		m_lastUsed	= 0;

-		UpdateTarget(0,this);

-	}

-

-#ifdef HL1_DLL

-	SetSolid( SOLID_BSP );

-#else

-	SetSolid( SOLID_VPHYSICS );

-#endif

-	if (HasSpawnFlags(SF_ROTBUTTON_NOTSOLID))

-	{

-		AddEFlags( EFL_USE_PARTITION_WHEN_NOT_SOLID );

-		AddSolidFlags( FSOLID_NOT_SOLID );

-	}

-

-	SetMoveType( MOVETYPE_PUSH );

-	SetModel( STRING( GetModelName() ) );

-	

-	CreateVPhysics();

-

-	// Slam the object back to solid - if we really want it to be solid.

-	if ( m_bSolidBsp )

-	{

-		SetSolid( SOLID_BSP );

-	}

-

-	m_bDisabled = false;

-}

-

-int	CMomentaryRotButton::ObjectCaps( void ) 

-{ 

-	int flags = BaseClass::ObjectCaps();

-	if (!HasSpawnFlags(SF_BUTTON_USE_ACTIVATES))

-	{

-		return flags;

-	}

-	else

-	{	

-		return (flags | FCAP_CONTINUOUS_USE | FCAP_USE_IN_RADIUS);

-	}

-}

-

-

-//-----------------------------------------------------------------------------

-// Purpose: 

-//-----------------------------------------------------------------------------

-bool CMomentaryRotButton::CreateVPhysics( void )

-{

-	VPhysicsInitShadow( false, false );

-

-	return true;

-}

-

-

-//-----------------------------------------------------------------------------

-// Purpose: 

-//-----------------------------------------------------------------------------

-void CMomentaryRotButton::PlaySound( void )

-{

-	if ( m_sNoise == NULL_STRING )

-		return;

-

-	CPASAttenuationFilter filter( this );

-

-	EmitSound_t ep;

-	ep.m_nChannel = CHAN_VOICE;

-	ep.m_pSoundName = (char*)STRING(m_sNoise);

-	ep.m_flVolume = 1;

-	ep.m_SoundLevel = SNDLVL_NORM;

-

-	EmitSound( filter, entindex(), ep );

-}

-

-

-//-----------------------------------------------------------------------------

-// Purpose: Returns a given angular position as a value along our motion from 0 to 1.

-// Input  : vecAngles - 

-//-----------------------------------------------------------------------------

-float CMomentaryRotButton::GetPos( const QAngle &vecAngles )

-{

-	float flScale = 1;

-	if (( m_vecMoveAng[0] < 0 ) || ( m_vecMoveAng[1] < 0 ) || ( m_vecMoveAng[2] < 0 ))

-	{

-		flScale = -1;

-	}

-

-	float flPos = flScale * CBaseToggle::AxisDelta( m_spawnflags, vecAngles, m_start ) / m_flMoveDistance;

-	return( clamp( flPos, 0.f, 1.f ));

-}

-

-

-//------------------------------------------------------------------------------

-// Purpose :

-// Input   : flPosition 

-//------------------------------------------------------------------------------

-void CMomentaryRotButton::InputSetPosition( inputdata_t &inputdata )

-{

-	m_IdealYaw = clamp( inputdata.value.Float(), 0.f, 1.f );

-

-	float flCurPos = GetPos( GetLocalAngles() );

-	if ( flCurPos < m_IdealYaw )

-	{

-		// Moving forward (from start to end).

-		SetLocalAngularVelocity( m_flSpeed * m_vecMoveAng );

-		m_direction = 1;

-	}

-	else if ( flCurPos > m_IdealYaw )

-	{

-		// Moving backward (from end to start).

-		SetLocalAngularVelocity( -m_flSpeed * m_vecMoveAng );

-		m_direction = -1;

-	}

-	else

-	{

-		// We're there already; nothing to do.

-		SetLocalAngularVelocity( vec3_angle );

-		return;

-	}

-

-	SetMoveDone( &CMomentaryRotButton::SetPositionMoveDone );

-

-	SetThink( &CMomentaryRotButton::UpdateThink );

-	SetNextThink( gpGlobals->curtime );

-

-	//

-	// Think again in 0.1 seconds or the time that it will take us to reach our movement goal,

-	// whichever is the shorter interval. This prevents us from overshooting and stuttering when we

-	// are told to change position in very small increments.

-	//

-	QAngle vecNewAngles = m_start + m_vecMoveAng * ( m_IdealYaw * m_flMoveDistance );

-	float flAngleDelta = fabs( AxisDelta( m_spawnflags, vecNewAngles, GetLocalAngles() ));

-	float dt = flAngleDelta / m_flSpeed;

-	if ( dt < TICK_INTERVAL )

-	{

-		dt = TICK_INTERVAL;

-		float speed = flAngleDelta / TICK_INTERVAL;

-		SetLocalAngularVelocity( speed * m_vecMoveAng * m_direction );

-	}

-	dt = clamp( dt, TICK_INTERVAL, TICK_INTERVAL * 6);

-

-	SetMoveDoneTime( dt );

-}

-

-

-//------------------------------------------------------------------------------

-// Purpose :

-// Input   : flPosition 

-//------------------------------------------------------------------------------

-void CMomentaryRotButton::InputSetPositionImmediately( inputdata_t &inputdata )

-{

-	m_IdealYaw = clamp( inputdata.value.Float(), 0.f, 1.f );

-	SetLocalAngles( m_start + m_vecMoveAng * ( m_IdealYaw * m_flMoveDistance ) );

-}

-

-

-//------------------------------------------------------------------------------

-// Purpose: Turns off target updates so that we can change the wheel's position

-//			without changing the target's position. Used for jiggling when locked.

-//------------------------------------------------------------------------------

-void CMomentaryRotButton::InputDisableUpdateTarget( inputdata_t &inputdata )

-{

-	m_bUpdateTarget = false;

-}

-

-

-//------------------------------------------------------------------------------

-// Purpose: Turns target updates back on (after jiggling).

-//------------------------------------------------------------------------------

-void CMomentaryRotButton::InputEnableUpdateTarget( inputdata_t &inputdata )

-{

-	m_bUpdateTarget = true;

-}

-

-

-//-----------------------------------------------------------------------------

-// Purpose: Locks the button. If locked, the button will play the locked sound

-//			when the player tries to use it.

-//-----------------------------------------------------------------------------

-void CMomentaryRotButton::Lock()

-{

-	BaseClass::Lock();

-

-	SetLocalAngularVelocity( vec3_angle );

-	SetMoveDoneTime( -1 );

-	SetMoveDone( NULL );

-

-	SetNextThink( TICK_NEVER_THINK );

-	SetThink( NULL );

-}

-

-

-//-----------------------------------------------------------------------------

-// Purpose: Unlocks the button, making it able to be pressed again.

-//-----------------------------------------------------------------------------

-void CMomentaryRotButton::Unlock()

-{

-	BaseClass::Unlock();

-

-	SetMoveDone( &CMomentaryRotButton::ReturnMoveDone );

-

-	// Delay before autoreturn.

-	SetMoveDoneTime( 0.1f );

-}

-

-

-//-----------------------------------------------------------------------------

-// Purpose: Fires the appropriate outputs at the extremes of motion.

-//-----------------------------------------------------------------------------

-void CMomentaryRotButton::OutputMovementComplete( void )

-{

-	if (m_IdealYaw == 1.0)

-	{

-		m_OnFullyClosed.FireOutput(this, this);

-	}

-	else if (m_IdealYaw == 0.0)

-	{

-		m_OnFullyOpen.FireOutput(this, this);

-	}

-

-	m_OnReachedPosition.FireOutput( this, this );

-}

-

-

-//------------------------------------------------------------------------------

-// Purpose: MoveDone function for the SetPosition input handler. Tracks our

-//			progress toward a movement goal and updates our outputs.

-//------------------------------------------------------------------------------

-void CMomentaryRotButton::SetPositionMoveDone(void)

-{

-	float flCurPos = GetPos( GetLocalAngles() );

-

-	if ((( flCurPos >= m_IdealYaw ) && ( m_direction == 1 )) ||

-		(( flCurPos <= m_IdealYaw ) && ( m_direction == -1 )))

-	{

-		//

-		// We reached or surpassed our movement goal.

-		//

-		SetLocalAngularVelocity( vec3_angle );

-		// BUGBUG: Won't this get the player stuck?

-		SetLocalAngles( m_start + m_vecMoveAng * ( m_IdealYaw * m_flMoveDistance ) );

-		SetNextThink( TICK_NEVER_THINK );

-		SetMoveDoneTime( -1 );

-		UpdateTarget( m_IdealYaw, this );

-		OutputMovementComplete();

-		return;

-	}

-

-	// TODO: change this to use a Think function like ReturnThink.

-	QAngle vecNewAngles = m_start + m_vecMoveAng * ( m_IdealYaw * m_flMoveDistance );

-	float flAngleDelta = fabs( AxisDelta( m_spawnflags, vecNewAngles, GetLocalAngles() ));

-	float dt = flAngleDelta / m_flSpeed;

-	if ( dt < TICK_INTERVAL )

-	{

-		dt = TICK_INTERVAL;

-		float speed = flAngleDelta / TICK_INTERVAL;

-		SetLocalAngularVelocity( speed * m_vecMoveAng * m_direction );

-	}

-	dt = clamp( dt, TICK_INTERVAL, TICK_INTERVAL * 6);

-

-	SetMoveDoneTime( dt );

-}

-

-

-//-----------------------------------------------------------------------------

-// Purpose: 

-// Input  : pActivator - 

-//			pCaller - 

-//			useType - 

-//			value - 

-//-----------------------------------------------------------------------------

-void CMomentaryRotButton::Use( CBaseEntity *pActivator, CBaseEntity *pCaller, USE_TYPE useType, float value )

-{

-	if ( m_bDisabled == true )

-		return;

-

-	if (m_bLocked)

-	{

-		if ( OnUseLocked( pActivator ) && HasSpawnFlags( SF_BUTTON_JIGGLE_ON_USE_LOCKED ) )

-		{

-			// Jiggle two degrees.

-			float flDist = 2.0 / m_flMoveDistance;

-

-			// Must be first!

-			g_EventQueue.AddEvent( this, "_DisableUpdateTarget", 0, this, this );

-

-			variant_t value;

-			value.SetFloat( flDist );

-			g_EventQueue.AddEvent( this, "SetPosition", value, 0.01, this, this );

-

-			value.SetFloat( 0.0 );

-			g_EventQueue.AddEvent( this, "SetPosition", value, 0.1, this, this );

-

-			value.SetFloat( 0.5 * flDist );

-			g_EventQueue.AddEvent( this, "SetPosition", value, 0.2, this, this );

-

-			value.SetFloat( 0.0 );

-			g_EventQueue.AddEvent( this, "SetPosition", value, 0.3, this, this );

-

-			// Must be last! And must be late enough to cover the settling time.

-			g_EventQueue.AddEvent( this, "_EnableUpdateTarget", 0.5, this, this );

-		}

-

-		return;

-	}

-

-	//

-	// Reverse our direction and play movement sound every time the player

-	// pauses between uses.

-	//

-	bool bPlaySound = false;

-	

-	if ( !m_lastUsed )

-	{

-		bPlaySound = true;

-		m_direction = -m_direction;

-

-		//Alert that we've been pressed

-		m_OnPressed.FireOutput( m_hActivator, this );

-	}

-

-	m_lastUsed = 1;

-

-	float flPos = GetPos( GetLocalAngles() );

-	UpdateSelf( flPos, bPlaySound );

-

-	//

-	// Think every frame while we are moving.

-	// HACK: Don't reset the think time if we already have a pending think.

-	// This works around an issue with host_thread_mode > 0 when the player's

-	// clock runs ahead of the server.

-	//

-	if ( !m_pfnThink )

-	{

-		SetThink( &CMomentaryRotButton::UpdateThink );

-		SetNextThink( gpGlobals->curtime );

-	}

-}

-

-

-//-----------------------------------------------------------------------------

-// Purpose: Handles changing direction at the extremes of our range of motion

-//			and updating our avelocity while being used by the player.

-// Input  : value - Number from 0 to 1 indicating our desired position within

-//				our range of motion, 0 = start, 1 = end.

-//-----------------------------------------------------------------------------

-void CMomentaryRotButton::UpdateSelf( float value, bool bPlaySound )

-{

-	//

-	// Set our move clock to 0.1 seconds in the future so we stop spinning unless we are

-	// used again before then.

-	//

-	SetMoveDoneTime( 0.1 );

-

-	//

-	// If we hit the end, zero our avelocity and snap to the end angles.

-	//

-	if ( m_direction > 0 && value >= 1.0 )

-	{

-		SetLocalAngularVelocity( vec3_angle );

-		SetLocalAngles( m_end );

-

-		m_OnFullyClosed.FireOutput(this, this);

-		return;

-	}

-	//

-	// If we returned to the start, zero our avelocity and snap to the start angles.

-	//

-	else if ( m_direction < 0 && value <= 0 )

-	{

-		SetLocalAngularVelocity( vec3_angle );

-		SetLocalAngles( m_start );

-

-		m_OnFullyOpen.FireOutput(this, this);

-		return;

-	}

-	

-	if ( bPlaySound )

-	{

-		PlaySound();

-	}

-

-	SetLocalAngularVelocity( ( m_direction * m_flSpeed ) * m_vecMoveAng );

-	SetMoveDone( &CMomentaryRotButton::UseMoveDone );

-}

-

-

-//-----------------------------------------------------------------------------

-// Purpose: Updates the value of our position, firing any targets.

-// Input  : value - New position, from 0 - 1.

-//-----------------------------------------------------------------------------

-void CMomentaryRotButton::UpdateTarget( float value, CBaseEntity *pActivator )

-{

-	if ( !m_bUpdateTarget )

-		return;

-

-	if (m_Position.Get() != value)

-	{

-		m_Position.Set(value, pActivator, this);

-	}

-}

-

-

-//-----------------------------------------------------------------------------

-// Purpose: Handles the end of motion caused by player use.

-//-----------------------------------------------------------------------------

-void CMomentaryRotButton::UseMoveDone( void )

-{

-	SetLocalAngularVelocity( vec3_angle );

-

-	// Make sure our targets stop where we stopped.

-	float flPos = GetPos( GetLocalAngles() );

-	UpdateTarget( flPos, this );

-

-	// Alert that we've been unpressed

-	m_OnUnpressed.FireOutput( m_hActivator, this );

-

-	m_lastUsed = 0;

-

-	if ( !HasSpawnFlags( SF_BUTTON_TOGGLE ) && m_returnSpeed > 0 )

-	{

-		SetMoveDone( &CMomentaryRotButton::ReturnMoveDone );

-		m_direction = -1;

-

-		// Delay before autoreturn.

-		SetMoveDoneTime( 0.1f );

-	}

-	else

-	{

-		SetThink( NULL );

-		SetMoveDone( NULL );

-	}

-}

-

-

-//-----------------------------------------------------------------------------

-// Purpose: MoveDone function for rotating back to the start position.

-//-----------------------------------------------------------------------------

-void CMomentaryRotButton::ReturnMoveDone( void )

-{

-	float value = GetPos( GetLocalAngles() );

-	if ( value <= 0 )

-	{

-		//

-		// Got back to the start, stop spinning.

-		//

-		SetLocalAngularVelocity( vec3_angle );

-		SetLocalAngles( m_start );

-

-		UpdateTarget( 0, NULL );

-

-		SetMoveDoneTime( -1 );

-		SetMoveDone( NULL );

-

-		SetNextThink( TICK_NEVER_THINK );

-		SetThink( NULL );

-	}

-	else

-	{

-		SetLocalAngularVelocity( -m_returnSpeed * m_vecMoveAng );

-		SetMoveDoneTime( 0.1f );

-

-		SetThink( &CMomentaryRotButton::UpdateThink );

-		SetNextThink( gpGlobals->curtime + 0.01f );

-	}

-}

-

-

-//-----------------------------------------------------------------------------

-// Purpose: Think function for updating target as we move.

-//-----------------------------------------------------------------------------

-void CMomentaryRotButton::UpdateThink( void )

-{

-	float value = GetPos( GetLocalAngles() );

-	UpdateTarget( value, NULL );

-	SetNextThink( gpGlobals->curtime );

-}

-

-

-//-----------------------------------------------------------------------------

-// Purpose: Draw any debug text overlays

-// Output : Current text offset from the top

-//-----------------------------------------------------------------------------

-int CMomentaryRotButton::DrawDebugTextOverlays(void) 

-{

-	int text_offset = BaseClass::DrawDebugTextOverlays();

-

-	if (m_debugOverlays & OVERLAY_TEXT_BIT) 

-	{

-		char tempstr[255];

-		

-		Q_snprintf(tempstr,sizeof(tempstr),"QAngle: %.2f %.2f %.2f", GetLocalAngles()[0], GetLocalAngles()[1], GetLocalAngles()[2]);

-		EntityText(text_offset,tempstr,0);

-		text_offset++;

-

-		Q_snprintf(tempstr,sizeof(tempstr),"AVelocity: %.2f %.2f %.2f", GetLocalAngularVelocity()[0], GetLocalAngularVelocity()[1], GetLocalAngularVelocity()[2]);

-		EntityText(text_offset,tempstr,0);

-		text_offset++;

-

-		Q_snprintf(tempstr,sizeof(tempstr),"Target Pos:   %3.3f",m_IdealYaw);

-		EntityText(text_offset,tempstr,0);

-		text_offset++;

-

-		float flCurPos = GetPos(GetLocalAngles());

-		Q_snprintf(tempstr,sizeof(tempstr),"Current Pos:   %3.3f",flCurPos);

-		EntityText(text_offset,tempstr,0);

-		text_offset++;

-

-		Q_snprintf(tempstr,sizeof(tempstr),"Direction: %s",(m_direction == 1) ? "Forward" : "Backward");

-		EntityText(text_offset,tempstr,0);

-		text_offset++;

-

-	}

-	return text_offset;

-}

-

-//-----------------------------------------------------------------------------

-// Purpose: Input hander that starts the spawner

-//-----------------------------------------------------------------------------

-void CMomentaryRotButton::InputEnable( inputdata_t &inputdata )

-{

-	Enable();

-}

-

-

-//-----------------------------------------------------------------------------

-// Purpose: Input hander that stops the spawner

-//-----------------------------------------------------------------------------

-void CMomentaryRotButton::InputDisable( inputdata_t &inputdata )

-{

-	Disable();

-}

-

-//-----------------------------------------------------------------------------

-// Purpose: Start the spawner

-//-----------------------------------------------------------------------------

-void CMomentaryRotButton::Enable( void )

-{

-	m_bDisabled = false;

-}

-

-

-//-----------------------------------------------------------------------------

-// Purpose: Stop the spawner

-//-----------------------------------------------------------------------------

-void CMomentaryRotButton::Disable( void )

-{

-	m_bDisabled = true;

+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: Implements buttons.
+//
+//=============================================================================
+
+#include "cbase.h"
+#include "doors.h"
+#include "ndebugoverlay.h"
+#include "spark.h"
+#include "vstdlib/random.h"
+#include "engine/IEngineSound.h"
+#include "tier1/strtools.h"
+#include "buttons.h"
+#include "eventqueue.h"
+
+// memdbgon must be the last include file in a .cpp file!!!
+#include "tier0/memdbgon.h"
+
+void PlayLockSounds( CBaseEntity *pEdict, locksound_t *pls, int flocked, int fbutton );
+string_t MakeButtonSound( int sound );				// get string of button sound number
+
+
+#define SF_BUTTON_DONTMOVE				1
+#define SF_ROTBUTTON_NOTSOLID			1
+#define	SF_BUTTON_TOGGLE				32		// button stays pushed until reactivated
+#define SF_BUTTON_TOUCH_ACTIVATES		256		// Button fires when touched.
+#define SF_BUTTON_DAMAGE_ACTIVATES		512		// Button fires when damaged.
+#define SF_BUTTON_USE_ACTIVATES			1024	// Button fires when used.
+#define SF_BUTTON_LOCKED				2048	// Whether the button is initially locked.
+#define	SF_BUTTON_SPARK_IF_OFF			4096	// button sparks in OFF state
+#define	SF_BUTTON_JIGGLE_ON_USE_LOCKED	8192	// whether to jiggle if someone uses us when we're locked
+
+BEGIN_DATADESC( CBaseButton )
+
+	DEFINE_KEYFIELD( m_vecMoveDir, FIELD_VECTOR, "movedir" ),
+	DEFINE_FIELD( m_fStayPushed, FIELD_BOOLEAN ),
+	DEFINE_FIELD( m_fRotating, FIELD_BOOLEAN ),
+
+	DEFINE_FIELD( m_bLockedSound, FIELD_CHARACTER ),
+	DEFINE_FIELD( m_bLockedSentence, FIELD_CHARACTER ),
+	DEFINE_FIELD( m_bUnlockedSound, FIELD_CHARACTER ),	
+	DEFINE_FIELD( m_bUnlockedSentence, FIELD_CHARACTER ),
+	DEFINE_FIELD( m_bLocked, FIELD_BOOLEAN ),
+	DEFINE_FIELD( m_sNoise, FIELD_SOUNDNAME ),
+	DEFINE_FIELD( m_flUseLockedTime, FIELD_TIME ),
+	DEFINE_FIELD( m_bSolidBsp, FIELD_BOOLEAN ),
+	
+	DEFINE_KEYFIELD( m_sounds, FIELD_INTEGER, "sounds" ),
+	
+//	DEFINE_FIELD( m_ls, FIELD_SOUNDNAME ),   // This is restored in Precache()
+//  DEFINE_FIELD( m_nState, FIELD_INTEGER ),
+
+	// Function Pointers
+	DEFINE_FUNCTION( ButtonTouch ),
+	DEFINE_FUNCTION( ButtonSpark ),
+	DEFINE_FUNCTION( TriggerAndWait ),
+	DEFINE_FUNCTION( ButtonReturn ),
+	DEFINE_FUNCTION( ButtonBackHome ),
+	DEFINE_FUNCTION( ButtonUse ),
+
+	// Inputs
+	DEFINE_INPUTFUNC( FIELD_VOID, "Lock", InputLock ),
+	DEFINE_INPUTFUNC( FIELD_VOID, "Unlock", InputUnlock ),
+	DEFINE_INPUTFUNC( FIELD_VOID, "Press", InputPress ),
+	DEFINE_INPUTFUNC( FIELD_VOID, "PressIn", InputPressIn ),
+	DEFINE_INPUTFUNC( FIELD_VOID, "PressOut", InputPressOut ),
+
+	// Outputs
+	DEFINE_OUTPUT( m_OnDamaged, "OnDamaged" ),
+	DEFINE_OUTPUT( m_OnPressed, "OnPressed" ),
+	DEFINE_OUTPUT( m_OnUseLocked, "OnUseLocked" ),
+	DEFINE_OUTPUT( m_OnIn, "OnIn" ),
+	DEFINE_OUTPUT( m_OnOut, "OnOut" ),
+
+END_DATADESC()
+
+
+LINK_ENTITY_TO_CLASS( func_button, CBaseButton );
+
+
+
+void CBaseButton::Precache( void )
+{
+	// get door button sounds, for doors which require buttons to open
+	if (m_bLockedSound)
+	{
+		m_ls.sLockedSound = MakeButtonSound( (int)m_bLockedSound );
+		PrecacheScriptSound(m_ls.sLockedSound.ToCStr());
+	}
+
+	if (m_bUnlockedSound)
+	{
+		m_ls.sUnlockedSound = MakeButtonSound( (int)m_bUnlockedSound );
+		PrecacheScriptSound(m_ls.sUnlockedSound.ToCStr());
+	}
+
+	// get sentence group names, for doors which are directly 'touched' to open
+
+	switch (m_bLockedSentence)
+	{
+		case 1: m_ls.sLockedSentence = MAKE_STRING("NA"); break; // access denied
+		case 2: m_ls.sLockedSentence = MAKE_STRING("ND"); break; // security lockout
+		case 3: m_ls.sLockedSentence = MAKE_STRING("NF"); break; // blast door
+		case 4: m_ls.sLockedSentence = MAKE_STRING("NFIRE"); break; // fire door
+		case 5: m_ls.sLockedSentence = MAKE_STRING("NCHEM"); break; // chemical door
+		case 6: m_ls.sLockedSentence = MAKE_STRING("NRAD"); break; // radiation door
+		case 7: m_ls.sLockedSentence = MAKE_STRING("NCON"); break; // gen containment
+		case 8: m_ls.sLockedSentence = MAKE_STRING("NH"); break; // maintenance door
+		case 9: m_ls.sLockedSentence = MAKE_STRING("NG"); break; // broken door
+		
+		default: m_ls.sLockedSentence = NULL_STRING; break;
+	}
+
+	switch (m_bUnlockedSentence)
+	{
+		case 1: m_ls.sUnlockedSentence = MAKE_STRING("EA"); break; // access granted
+		case 2: m_ls.sUnlockedSentence = MAKE_STRING("ED"); break; // security door
+		case 3: m_ls.sUnlockedSentence = MAKE_STRING("EF"); break; // blast door
+		case 4: m_ls.sUnlockedSentence = MAKE_STRING("EFIRE"); break; // fire door
+		case 5: m_ls.sUnlockedSentence = MAKE_STRING("ECHEM"); break; // chemical door
+		case 6: m_ls.sUnlockedSentence = MAKE_STRING("ERAD"); break; // radiation door
+		case 7: m_ls.sUnlockedSentence = MAKE_STRING("ECON"); break; // gen containment
+		case 8: m_ls.sUnlockedSentence = MAKE_STRING("EH"); break; // maintenance door
+	
+		default: m_ls.sUnlockedSentence = NULL_STRING; break;
+	}
+
+	if ( m_sNoise != NULL_STRING )
+	{
+		PrecacheScriptSound( STRING( m_sNoise ) );
+	}
+}
+
+
+//-----------------------------------------------------------------------------
+// Purpose: Cache user-entity-field values until spawn is called.
+// Input  : szKeyName - 
+//			szValue - 
+// Output : Returns true if handled, false if not.
+//-----------------------------------------------------------------------------
+bool CBaseButton::KeyValue( const char *szKeyName, const char *szValue )
+{
+	if (FStrEq(szKeyName, "locked_sound"))
+	{
+		m_bLockedSound = atof(szValue);
+	}
+	else if (FStrEq(szKeyName, "locked_sentence"))
+	{
+		m_bLockedSentence = atof(szValue);
+	}
+	else if (FStrEq(szKeyName, "unlocked_sound"))
+	{
+		m_bUnlockedSound = atof(szValue);
+	}
+	else if (FStrEq(szKeyName, "unlocked_sentence"))
+	{
+		m_bUnlockedSentence = atof(szValue);
+	}
+	else
+	{
+		return BaseClass::KeyValue( szKeyName, szValue );
+	}
+
+	return true;
+}
+
+
+//-----------------------------------------------------------------------------
+// Purpose: Locks the button. If locked, the button will play the locked sound
+//			when the player tries to use it.
+//-----------------------------------------------------------------------------
+void CBaseButton::Lock()
+{
+	m_bLocked = true;
+}
+
+
+//-----------------------------------------------------------------------------
+// Purpose: Unlocks the button, making it able to be pressed again.
+//-----------------------------------------------------------------------------
+void CBaseButton::Unlock()
+{
+	m_bLocked = false;
+}
+
+
+//-----------------------------------------------------------------------------
+// Purpose: Locks the button. If locked, the button will play the locked sound
+//			when the player tries to use it.
+//-----------------------------------------------------------------------------
+void CBaseButton::InputLock( inputdata_t &inputdata )
+{
+	Lock();
+}
+
+
+//-----------------------------------------------------------------------------
+// Purpose: Unlocks the button, making it able to be pressed again.
+//-----------------------------------------------------------------------------
+void CBaseButton::InputUnlock( inputdata_t &inputdata )
+{
+	Unlock();
+}
+
+
+//-----------------------------------------------------------------------------
+// Presses or unpresses the button.
+//-----------------------------------------------------------------------------
+void CBaseButton::Press( CBaseEntity *pActivator, BUTTON_CODE eCode )
+{
+	if ( ( eCode == BUTTON_PRESS ) && ( m_toggle_state == TS_GOING_UP || m_toggle_state == TS_GOING_DOWN ) )
+	{
+		return;
+	}
+
+	if ( ( eCode == BUTTON_ACTIVATE ) && ( m_toggle_state == TS_GOING_UP || m_toggle_state == TS_AT_TOP ) )
+	{
+		return;
+	}
+
+	if ( ( eCode == BUTTON_RETURN ) && ( m_toggle_state == TS_GOING_DOWN || m_toggle_state == TS_AT_BOTTOM ) )
+	{
+		return;
+	}
+
+	// FIXME: consolidate all the button press code into one place!
+	if (m_bLocked)
+	{
+		// play button locked sound
+		PlayLockSounds(this, &m_ls, TRUE, TRUE);
+		return;
+	}
+
+	// Temporarily disable the touch function, until movement is finished.
+	SetTouch( NULL );
+
+	if ( ( ( eCode == BUTTON_PRESS ) && ( m_toggle_state == TS_AT_TOP ) ) ||
+		 ( ( eCode == BUTTON_RETURN ) && ( m_toggle_state == TS_AT_TOP || m_toggle_state == TS_GOING_UP ) ) )
+	{
+		if ( m_sNoise != NULL_STRING )
+		{
+			CPASAttenuationFilter filter( this );
+
+			EmitSound_t ep;
+			ep.m_nChannel = CHAN_VOICE;
+			ep.m_pSoundName = (char*)STRING(m_sNoise);
+			ep.m_flVolume = 1;
+			ep.m_SoundLevel = SNDLVL_NORM;
+
+			EmitSound( filter, entindex(), ep );
+		}
+
+		m_OnPressed.FireOutput(pActivator, this);
+		ButtonReturn();
+	}
+	else if ( ( eCode == BUTTON_PRESS ) ||
+			  ( ( eCode == BUTTON_ACTIVATE ) && ( m_toggle_state == TS_AT_BOTTOM || m_toggle_state == TS_GOING_DOWN ) ) )
+	{
+		m_OnPressed.FireOutput(pActivator, this);
+		ButtonActivate();
+	}
+}
+
+
+//-----------------------------------------------------------------------------
+// Presses the button.
+//-----------------------------------------------------------------------------
+void CBaseButton::InputPress( inputdata_t &inputdata )
+{
+	Press( inputdata.pActivator, BUTTON_PRESS );
+}
+
+
+//-----------------------------------------------------------------------------
+// Presses the button, sending it to the top/pressed position.
+//-----------------------------------------------------------------------------
+void CBaseButton::InputPressIn( inputdata_t &inputdata )
+{
+	Press( inputdata.pActivator, BUTTON_ACTIVATE );
+}
+
+
+//-----------------------------------------------------------------------------
+// Unpresses the button, sending it to the unpressed/bottom position.
+//-----------------------------------------------------------------------------
+void CBaseButton::InputPressOut( inputdata_t &inputdata )
+{
+	Press( inputdata.pActivator, BUTTON_RETURN );
+}
+
+
+//-----------------------------------------------------------------------------
+// Purpose: We have been damaged. Possibly activate, depending on our flags.
+// Input  : pInflictor - 
+//			pAttacker - 
+//			flDamage - 
+//			bitsDamageType - 
+// Output : 
+//-----------------------------------------------------------------------------
+int CBaseButton::OnTakeDamage( const CTakeDamageInfo &info )
+{
+	m_OnDamaged.FireOutput(m_hActivator, this);
+
+	// dvsents2: remove obselete health keyvalue from func_button
+	if (!HasSpawnFlags(SF_BUTTON_DAMAGE_ACTIVATES) && (m_iHealth == 0))
+	{
+		return(0);
+	}
+
+	BUTTON_CODE code = ButtonResponseToTouch();
+
+	if ( code == BUTTON_NOTHING )
+		return 0;
+
+	m_hActivator = info.GetAttacker();
+
+	// dvsents2: why would activator be NULL here?
+	if ( m_hActivator == NULL )
+		return 0;
+
+	if (m_bLocked)
+	{
+		return(0);
+	}
+
+	// Temporarily disable the touch function, until movement is finished.
+	SetTouch( NULL );
+
+	if ( code == BUTTON_RETURN )
+	{
+		if ( m_sNoise != NULL_STRING )
+		{
+			CPASAttenuationFilter filter( this );
+
+			EmitSound_t ep;
+			ep.m_nChannel = CHAN_VOICE;
+			ep.m_pSoundName = (char*)STRING(m_sNoise);
+			ep.m_flVolume = 1;
+			ep.m_SoundLevel = SNDLVL_NORM;
+
+			EmitSound( filter, entindex(), ep );
+		}
+
+		m_OnPressed.FireOutput(m_hActivator, this);
+		ButtonReturn();
+	}
+	else
+	{
+		// code == BUTTON_ACTIVATE
+		m_OnPressed.FireOutput(m_hActivator, this);
+		ButtonActivate( );
+	}
+
+	return 0;
+}
+
+
+void CBaseButton::Spawn( )
+{ 
+	//----------------------------------------------------
+	//determine sounds for buttons
+	//a sound of 0 should not make a sound
+	//----------------------------------------------------
+	if ( m_sounds )
+	{
+		m_sNoise = MakeButtonSound( m_sounds );
+		PrecacheScriptSound(m_sNoise.ToCStr());
+	}
+	else
+	{
+		m_sNoise = NULL_STRING;
+	}
+
+	Precache();
+
+	if ( HasSpawnFlags( SF_BUTTON_SPARK_IF_OFF ) )// this button should spark in OFF state
+	{
+		SetThink ( &CBaseButton::ButtonSpark );
+		SetNextThink( gpGlobals->curtime + 0.5f );// no hurry, make sure everything else spawns
+	}
+
+	// Convert movedir from angles to a vector
+	QAngle angMoveDir = QAngle( m_vecMoveDir.x, m_vecMoveDir.y, m_vecMoveDir.z );
+	AngleVectors( angMoveDir, &m_vecMoveDir );
+
+	SetMoveType( MOVETYPE_PUSH );
+	SetSolid( SOLID_BSP );
+	SetModel( STRING( GetModelName() ) );
+	
+	if (m_flSpeed == 0)
+	{
+		m_flSpeed = 40;
+	}
+
+	m_takedamage = DAMAGE_YES;
+
+	if (m_flWait == 0)
+	{
+		m_flWait = 1;
+	}
+
+	if (m_flLip == 0)
+	{
+		m_flLip = 4;
+	}
+
+	m_toggle_state = TS_AT_BOTTOM;
+	m_vecPosition1 = GetLocalOrigin();
+
+	// Subtract 2 from size because the engine expands bboxes by 1 in all directions making the size too big
+	Vector vecButtonOBB = CollisionProp()->OBBSize();
+	vecButtonOBB -= Vector( 2, 2, 2 );
+	m_vecPosition2	= m_vecPosition1 + (m_vecMoveDir * (DotProductAbs( m_vecMoveDir, vecButtonOBB ) - m_flLip));
+
+	// Is this a non-moving button?
+	if ( ((m_vecPosition2 - m_vecPosition1).Length() < 1) || HasSpawnFlags(SF_BUTTON_DONTMOVE) )
+	{
+		m_vecPosition2 = m_vecPosition1;
+	}
+
+	m_fStayPushed = (m_flWait == -1 ? TRUE : FALSE);
+	m_fRotating = FALSE;
+
+	if (HasSpawnFlags(SF_BUTTON_LOCKED))
+	{
+		m_bLocked = true;
+	}
+
+	//
+	// If using activates the button, set its use function.
+	//
+	if (HasSpawnFlags(SF_BUTTON_USE_ACTIVATES))
+	{
+		SetUse(&CBaseButton::ButtonUse);
+	}
+	else
+	{
+		SetUse(NULL);
+	}
+
+	//
+	// If touching activates the button, set its touch function.
+	//
+	if (HasSpawnFlags(SF_BUTTON_TOUCH_ACTIVATES))
+	{
+		SetTouch( &CBaseButton::ButtonTouch );
+	}
+	else 
+	{
+		SetTouch ( NULL );
+	}
+
+	CreateVPhysics();
+}
+
+//-----------------------------------------------------------------------------
+
+bool CBaseButton::CreateVPhysics()
+{
+	VPhysicsInitShadow( false, false );
+	return true;
+}
+
+
+//-----------------------------------------------------------------------------
+// Purpose: Button sound table.
+//			Also used by CBaseDoor to get 'touched' door lock/unlock sounds
+// Input  : sound - index of sound to look up.
+// Output : Returns a pointer to the corresponding sound file.
+//-----------------------------------------------------------------------------
+string_t MakeButtonSound( int sound )
+{ 
+	char tmp[1024];
+	Q_snprintf( tmp, sizeof(tmp), "Buttons.snd%d", sound );
+	return AllocPooledString(tmp);
+}
+
+
+//-----------------------------------------------------------------------------
+// Purpose: Think function that emits sparks at random intervals.
+//-----------------------------------------------------------------------------
+void CBaseButton::ButtonSpark ( void )
+{
+	SetThink ( &CBaseButton::ButtonSpark );
+	SetNextThink( gpGlobals->curtime + 0.1 + random->RandomFloat ( 0, 1.5 ) );// spark again at random interval
+
+	DoSpark( this, WorldSpaceCenter(), 1, 1, true, vec3_origin );
+}
+
+
+//-----------------------------------------------------------------------------
+// Purpose: Called when someone uses us whilst we are locked.
+//-----------------------------------------------------------------------------
+bool CBaseButton::OnUseLocked( CBaseEntity *pActivator )
+{
+	PlayLockSounds(this, &m_ls, TRUE, TRUE);
+
+	if ( gpGlobals->curtime > m_flUseLockedTime )
+	{
+		m_OnUseLocked.FireOutput( pActivator, this );
+		m_flUseLockedTime = gpGlobals->curtime + 0.5;
+		return true;
+	}
+
+	return false;
+}
+
+
+//-----------------------------------------------------------------------------
+// Purpose: Use function that starts the button moving.
+// Input  : pActivator - 
+//			pCaller - 
+//			useType - 
+//			value - 
+//-----------------------------------------------------------------------------
+void CBaseButton::ButtonUse( CBaseEntity *pActivator, CBaseEntity *pCaller, USE_TYPE useType, float value )
+{
+	// Ignore touches if button is moving, or pushed-in and waiting to auto-come-out.
+	// UNDONE: Should this use ButtonResponseToTouch() too?
+	if (m_toggle_state == TS_GOING_UP || m_toggle_state == TS_GOING_DOWN )
+		return;		
+
+	if (m_bLocked)
+	{
+		OnUseLocked( pActivator );
+		return;
+	}
+
+	m_hActivator = pActivator;
+
+	if ( m_toggle_state == TS_AT_TOP)
+	{
+		//
+		// If it's a toggle button it can return now. Otherwise, it will either
+		// return on its own or will stay pressed indefinitely.
+		//
+		if ( HasSpawnFlags(SF_BUTTON_TOGGLE))
+		{
+			if ( m_sNoise != NULL_STRING )
+			{
+				CPASAttenuationFilter filter( this );
+
+				EmitSound_t ep;
+				ep.m_nChannel = CHAN_VOICE;
+				ep.m_pSoundName = (char*)STRING(m_sNoise);
+				ep.m_flVolume = 1;
+				ep.m_SoundLevel = SNDLVL_NORM;
+
+				EmitSound( filter, entindex(), ep );
+			}
+
+			m_OnPressed.FireOutput(m_hActivator, this);
+			ButtonReturn();
+		}
+	}
+	else
+	{
+		m_OnPressed.FireOutput(m_hActivator, this);
+		ButtonActivate( );
+	}
+}
+
+
+//-----------------------------------------------------------------------------
+// Purpose: Returns a code indicating how the button should respond to being touched.
+// Output : Returns one of the following:
+//				BUTTON_NOTHING - do nothing
+//				BUTTON_RETURN - 
+//				BUTTON_ACTIVATE - act as if pressed
+//-----------------------------------------------------------------------------
+CBaseButton::BUTTON_CODE CBaseButton::ButtonResponseToTouch( void )
+{
+	// Ignore touches if button is moving, or pushed-in and waiting to auto-come-out.
+	if (m_toggle_state == TS_GOING_UP ||
+		m_toggle_state == TS_GOING_DOWN ||
+		(m_toggle_state == TS_AT_TOP && !m_fStayPushed && !HasSpawnFlags(SF_BUTTON_TOGGLE) ) )
+		return BUTTON_NOTHING;
+
+	if (m_toggle_state == TS_AT_TOP)
+	{
+		if ( HasSpawnFlags(SF_BUTTON_TOGGLE) && !m_fStayPushed)
+		{
+			return BUTTON_RETURN;
+		}
+	}
+	else
+		return BUTTON_ACTIVATE;
+
+	return BUTTON_NOTHING;
+}
+
+
+//-----------------------------------------------------------------------------
+// Purpose: Touch function that activates the button if it responds to touch.
+// Input  : pOther - The entity that touched us.
+//-----------------------------------------------------------------------------
+void CBaseButton::ButtonTouch( CBaseEntity *pOther )
+{
+	// Ignore touches by anything but players
+	if ( !pOther->IsPlayer() )
+		return;
+
+	m_hActivator = pOther;
+
+	BUTTON_CODE code = ButtonResponseToTouch();
+
+	if ( code == BUTTON_NOTHING )
+		return;
+
+	if (!UTIL_IsMasterTriggered(m_sMaster, pOther) || m_bLocked)
+	{
+		// play button locked sound
+		PlayLockSounds(this, &m_ls, TRUE, TRUE);
+		return;
+	}
+
+	// Temporarily disable the touch function, until movement is finished.
+	SetTouch( NULL );
+
+	if ( code == BUTTON_RETURN )
+	{
+		if ( m_sNoise != NULL_STRING )
+		{
+			CPASAttenuationFilter filter( this );
+
+			EmitSound_t ep;
+			ep.m_nChannel = CHAN_VOICE;
+			ep.m_pSoundName = (char*)STRING(m_sNoise);
+			ep.m_flVolume = 1;
+			ep.m_SoundLevel = SNDLVL_NORM;
+
+			EmitSound( filter, entindex(), ep );
+		}
+
+		m_OnPressed.FireOutput(m_hActivator, this);
+		ButtonReturn();
+	}
+	else
+	{
+		// code == BUTTON_ACTIVATE
+		m_OnPressed.FireOutput(m_hActivator, this);
+		ButtonActivate( );
+	}
+}
+
+
+//-----------------------------------------------------------------------------
+// Purpose: Starts the button moving "in/up".
+// Input  : *pOther - 
+//-----------------------------------------------------------------------------
+void CBaseButton::ButtonActivate( void )
+{
+	if ( m_sNoise != NULL_STRING )
+	{
+		CPASAttenuationFilter filter( this );
+
+		EmitSound_t ep;
+		ep.m_nChannel = CHAN_VOICE;
+		ep.m_pSoundName = (char*)STRING(m_sNoise);
+		ep.m_flVolume = 1;
+		ep.m_SoundLevel = SNDLVL_NORM;
+
+		EmitSound( filter, entindex(), ep );
+	}
+	
+	if (!UTIL_IsMasterTriggered(m_sMaster, m_hActivator) || m_bLocked)
+	{
+		// button is locked, play locked sound
+		PlayLockSounds(this, &m_ls, TRUE, TRUE);
+		return;
+	}
+	else
+	{
+		// button is unlocked, play unlocked sound
+		PlayLockSounds(this, &m_ls, FALSE, TRUE);
+	}
+
+	ASSERT(m_toggle_state == TS_AT_BOTTOM);
+	m_toggle_state = TS_GOING_UP;
+	
+	SetMoveDone( &CBaseButton::TriggerAndWait );
+	if (!m_fRotating)
+		LinearMove( m_vecPosition2, m_flSpeed);
+	else
+		AngularMove( m_vecAngle2, m_flSpeed);
+}
+
+
+//-----------------------------------------------------------------------------
+// Purpose: Enables or disables the use capability based on our spawnflags.
+//-----------------------------------------------------------------------------
+int	CBaseButton::ObjectCaps(void)
+{
+	return((BaseClass::ObjectCaps() & ~FCAP_ACROSS_TRANSITION) |
+			(HasSpawnFlags(SF_BUTTON_USE_ACTIVATES) ? (FCAP_IMPULSE_USE | FCAP_USE_IN_RADIUS) : 0));
+}
+
+
+//-----------------------------------------------------------------------------
+// Purpose: Button has reached the "pressed/top" position. Fire its OnIn output,
+//			and pause before returning to "unpressed/bottom".
+//-----------------------------------------------------------------------------
+void CBaseButton::TriggerAndWait( void )
+{
+	ASSERT(m_toggle_state == TS_GOING_UP);
+
+	if (!UTIL_IsMasterTriggered(m_sMaster, m_hActivator) || m_bLocked)
+	{
+		return;
+	}
+
+	m_toggle_state = TS_AT_TOP;
+	
+	//
+	// Re-instate touches if the button is of the toggle variety.
+	//
+	if (m_fStayPushed || HasSpawnFlags(SF_BUTTON_TOGGLE ) )
+	{
+		if (HasSpawnFlags(SF_BUTTON_TOUCH_ACTIVATES))
+		{
+			SetTouch(&CBaseButton::ButtonTouch);
+		}
+		else
+		{
+			// BUGBUG: ALL buttons no longer respond to touch
+			SetTouch (NULL);
+		}
+	}
+
+	//
+	// If button automatically comes back out, start it moving out.
+	//
+	else
+	{
+		SetNextThink( gpGlobals->curtime + m_flWait );
+		SetThink( &CBaseButton::ButtonReturn );
+	}
+	
+	m_nState = 1;			// use alternate textures
+
+	m_OnIn.FireOutput(m_hActivator, this);
+}
+
+
+//-----------------------------------------------------------------------------
+// Purpose: Starts the button moving "out/down".
+//-----------------------------------------------------------------------------
+void CBaseButton::ButtonReturn( void )
+{
+	ASSERT(m_toggle_state == TS_AT_TOP);
+	m_toggle_state = TS_GOING_DOWN;
+	
+	SetMoveDone( &CBaseButton::ButtonBackHome );
+	if (!m_fRotating)
+		LinearMove( m_vecPosition1, m_flSpeed);
+	else
+		AngularMove( m_vecAngle1, m_flSpeed);
+
+	m_nState = 0;			// use normal textures
+}
+
+
+//-----------------------------------------------------------------------------
+// Purpose: Button has returned to the "unpressed/bottom" position. Fire its
+//			OnOut output and stop moving.
+//-----------------------------------------------------------------------------
+void CBaseButton::ButtonBackHome( void )
+{
+	ASSERT(m_toggle_state == TS_GOING_DOWN);
+	m_toggle_state = TS_AT_BOTTOM;
+
+	m_OnOut.FireOutput(m_hActivator, this);
+
+	//
+	// Re-instate touch method, movement cycle is complete.
+	//
+	if (HasSpawnFlags(SF_BUTTON_TOUCH_ACTIVATES))
+	{
+		SetTouch( &CBaseButton::ButtonTouch );
+	}
+	else
+	{
+		// BUGBUG: ALL buttons no longer respond to touch
+		SetTouch ( NULL );
+	}
+
+	// reset think for a sparking button
+	if (HasSpawnFlags( SF_BUTTON_SPARK_IF_OFF ) )
+	{
+		SetThink ( &CBaseButton::ButtonSpark );
+		SetNextThink( gpGlobals->curtime + 0.5f );// no hurry
+	}
+}
+
+
+//-----------------------------------------------------------------------------
+//-----------------------------------------------------------------------------
+int CBaseButton::DrawDebugTextOverlays()
+{
+	int text_offset = BaseClass::DrawDebugTextOverlays();
+
+	if (m_debugOverlays & OVERLAY_TEXT_BIT) 
+	{
+		static const char *pszStates[] =
+		{
+			"Pressed",
+			"Unpressed",
+			"Pressing...",
+			"Unpressing...",
+			"<UNKNOWN STATE>",
+		};
+	
+		char tempstr[255];
+
+		int nState = m_toggle_state;
+		if ( ( nState < 0 ) || ( nState > 3 ) )
+		{
+			nState = 4;
+		}
+
+		Q_snprintf( tempstr, sizeof(tempstr), "State: %s", pszStates[nState] );
+		EntityText( text_offset, tempstr, 0 );
+		text_offset++;
+
+		Q_snprintf( tempstr, sizeof(tempstr), "%s", m_bLocked ? "Locked" : "Unlocked" );
+		EntityText( text_offset, tempstr, 0 );
+		text_offset++;
+	}
+	return text_offset;
+}
+
+
+//
+// Rotating button (aka "lever")
+//
+LINK_ENTITY_TO_CLASS( func_rot_button, CRotButton );
+
+
+void CRotButton::Spawn( void )
+{
+	//----------------------------------------------------
+	//determine sounds for buttons
+	//a sound of 0 should not make a sound
+	//----------------------------------------------------
+	if ( m_sounds )
+	{
+		m_sNoise = MakeButtonSound( m_sounds );
+		PrecacheScriptSound(m_sNoise.ToCStr());
+	}
+	else
+	{
+		m_sNoise = NULL_STRING;
+	}
+
+	// set the axis of rotation
+	CBaseToggle::AxisDir();
+
+	// check for clockwise rotation
+	if ( HasSpawnFlags( SF_DOOR_ROTATE_BACKWARDS) )
+	{
+		m_vecMoveAng = m_vecMoveAng * -1;
+	}
+
+	SetMoveType( MOVETYPE_PUSH );
+	
+#ifdef HL1_DLL
+	SetSolid( SOLID_BSP );
+#else
+	SetSolid( SOLID_VPHYSICS );
+#endif
+	if ( HasSpawnFlags( SF_ROTBUTTON_NOTSOLID ) )
+	{
+		AddEFlags( EFL_USE_PARTITION_WHEN_NOT_SOLID );
+		AddSolidFlags( FSOLID_NOT_SOLID );
+	}
+
+	SetModel( STRING( GetModelName() ) );
+	
+	if (m_flSpeed == 0)
+		m_flSpeed = 40;
+
+	if (m_flWait == 0)
+		m_flWait = 1;
+
+	if (m_iHealth > 0)
+	{
+		m_takedamage = DAMAGE_YES;
+	}
+
+	m_toggle_state = TS_AT_BOTTOM;
+	m_vecAngle1	= GetLocalAngles();
+	m_vecAngle2	= GetLocalAngles() + m_vecMoveAng * m_flMoveDistance;
+	ASSERTSZ(m_vecAngle1 != m_vecAngle2, "rotating button start/end positions are equal\n");
+
+	m_fStayPushed = (m_flWait == -1 ? TRUE : FALSE);
+	m_fRotating = TRUE;
+
+	SetUse(&CRotButton::ButtonUse);
+
+	//
+	// If touching activates the button, set its touch function.
+	//
+	if (!HasSpawnFlags(SF_BUTTON_TOUCH_ACTIVATES))
+	{
+		SetTouch ( NULL );
+	}
+	else
+	{
+		SetTouch( &CRotButton::ButtonTouch );
+	}
+
+	CreateVPhysics();
+}
+
+
+bool CRotButton::CreateVPhysics( void )
+{
+	VPhysicsInitShadow( false, false );
+	return true;
+}
+
+
+//-----------------------------------------------------------------------------
+// CMomentaryRotButton spawnflags
+//-----------------------------------------------------------------------------
+#define SF_MOMENTARY_DOOR			1
+#define SF_MOMENTARY_NOT_USABLE		2
+#define SF_MOMENTARY_AUTO_RETURN	16
+
+
+BEGIN_DATADESC( CMomentaryRotButton )
+
+	DEFINE_FIELD( m_lastUsed, FIELD_INTEGER ),
+	DEFINE_FIELD( m_start, FIELD_VECTOR ),
+	DEFINE_FIELD( m_end, FIELD_VECTOR ),
+	DEFINE_FIELD( m_IdealYaw, FIELD_FLOAT ),
+	DEFINE_FIELD( m_sNoise, FIELD_SOUNDNAME ),
+	DEFINE_FIELD( m_bUpdateTarget, FIELD_BOOLEAN ),
+
+	DEFINE_KEYFIELD( m_direction, FIELD_INTEGER, "StartDirection" ),
+	DEFINE_KEYFIELD( m_returnSpeed, FIELD_FLOAT, "returnspeed" ),
+	DEFINE_KEYFIELD( m_flStartPosition, FIELD_FLOAT, "StartPosition"),
+	DEFINE_KEYFIELD( m_bSolidBsp, FIELD_BOOLEAN, "solidbsp" ),
+
+	// Function Pointers
+	DEFINE_FUNCTION( UseMoveDone ),
+	DEFINE_FUNCTION( ReturnMoveDone ),
+	DEFINE_FUNCTION( SetPositionMoveDone ),
+	DEFINE_FUNCTION( UpdateThink ),
+
+	// Inputs
+	DEFINE_INPUTFUNC( FIELD_FLOAT, "SetPosition", InputSetPosition ),
+	DEFINE_INPUTFUNC( FIELD_FLOAT, "SetPositionImmediately", InputSetPositionImmediately ),
+	DEFINE_INPUTFUNC( FIELD_VOID, "_DisableUpdateTarget", InputDisableUpdateTarget ),
+	DEFINE_INPUTFUNC( FIELD_VOID, "_EnableUpdateTarget", InputEnableUpdateTarget ),
+
+	// Outputs
+	DEFINE_OUTPUT( m_Position, "Position" ),
+	DEFINE_OUTPUT( m_OnUnpressed, "OnUnpressed" ),
+	DEFINE_OUTPUT( m_OnFullyClosed, "OnFullyClosed" ),
+	DEFINE_OUTPUT( m_OnFullyOpen, "OnFullyOpen" ),
+	DEFINE_OUTPUT( m_OnReachedPosition, "OnReachedPosition" ),
+
+	DEFINE_INPUTFUNC( FIELD_VOID,	"Enable",	InputEnable ),
+	DEFINE_INPUTFUNC( FIELD_VOID,	"Disable",	InputDisable ),
+	DEFINE_FIELD( m_bDisabled, FIELD_BOOLEAN )
+
+END_DATADESC()
+
+
+LINK_ENTITY_TO_CLASS( momentary_rot_button, CMomentaryRotButton );
+
+
+//-----------------------------------------------------------------------------
+// Purpose: Called when spawning, after keyvalues have been handled.
+//-----------------------------------------------------------------------------
+void CMomentaryRotButton::Spawn( void )
+{
+	CBaseToggle::AxisDir();
+
+	m_bUpdateTarget = true;
+
+	if ( m_flSpeed == 0 )
+	{
+		m_flSpeed = 100;
+	}
+
+	// Clamp start position and issue bounds warning
+	if (m_flStartPosition < 0.0f || m_flStartPosition > 1.0f)
+	{
+		Warning("WARNING: Momentary door (%s) start position not between 0 and 1.  Clamping.\n",GetDebugName());
+		m_flStartPosition = clamp(m_IdealYaw, 0.f, 1.f);
+	}
+
+	// Check direction fields (for backward compatibility)
+	if (m_direction != 1 && m_direction != -1)
+	{
+		m_direction = 1;
+	}
+
+	if (m_flMoveDistance < 0)
+	{
+		m_vecMoveAng = m_vecMoveAng * -1;
+		m_flMoveDistance = -m_flMoveDistance;
+	}
+
+	m_start = GetLocalAngles() - m_vecMoveAng * m_flMoveDistance * m_flStartPosition;
+	m_end	= GetLocalAngles() + m_vecMoveAng * m_flMoveDistance * (1-m_flStartPosition);
+
+	m_IdealYaw			= m_flStartPosition;
+
+	// Force start direction at end points
+	if (m_flStartPosition == 0.0)
+	{
+		m_direction = -1;
+	}
+	else if (m_flStartPosition == 1.0)
+	{
+		m_direction = 1;
+	}
+
+	if (HasSpawnFlags(SF_BUTTON_LOCKED))
+	{
+		m_bLocked = true;
+	}
+
+	if ( HasSpawnFlags( SF_BUTTON_USE_ACTIVATES ) )
+	{
+		if ( m_sounds )
+		{
+			m_sNoise = MakeButtonSound( m_sounds );
+			PrecacheScriptSound(m_sNoise.ToCStr());
+		}
+		else
+		{
+			m_sNoise = NULL_STRING;
+		}
+
+		m_lastUsed	= 0;
+		UpdateTarget(0,this);
+	}
+
+#ifdef HL1_DLL
+	SetSolid( SOLID_BSP );
+#else
+	SetSolid( SOLID_VPHYSICS );
+#endif
+	if (HasSpawnFlags(SF_ROTBUTTON_NOTSOLID))
+	{
+		AddEFlags( EFL_USE_PARTITION_WHEN_NOT_SOLID );
+		AddSolidFlags( FSOLID_NOT_SOLID );
+	}
+
+	SetMoveType( MOVETYPE_PUSH );
+	SetModel( STRING( GetModelName() ) );
+	
+	CreateVPhysics();
+
+	// Slam the object back to solid - if we really want it to be solid.
+	if ( m_bSolidBsp )
+	{
+		SetSolid( SOLID_BSP );
+	}
+
+	m_bDisabled = false;
+}
+
+int	CMomentaryRotButton::ObjectCaps( void ) 
+{ 
+	int flags = BaseClass::ObjectCaps();
+	if (!HasSpawnFlags(SF_BUTTON_USE_ACTIVATES))
+	{
+		return flags;
+	}
+	else
+	{	
+		return (flags | FCAP_CONTINUOUS_USE | FCAP_USE_IN_RADIUS);
+	}
+}
+
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+//-----------------------------------------------------------------------------
+bool CMomentaryRotButton::CreateVPhysics( void )
+{
+	VPhysicsInitShadow( false, false );
+
+	return true;
+}
+
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+//-----------------------------------------------------------------------------
+void CMomentaryRotButton::PlaySound( void )
+{
+	if ( m_sNoise == NULL_STRING )
+		return;
+
+	CPASAttenuationFilter filter( this );
+
+	EmitSound_t ep;
+	ep.m_nChannel = CHAN_VOICE;
+	ep.m_pSoundName = (char*)STRING(m_sNoise);
+	ep.m_flVolume = 1;
+	ep.m_SoundLevel = SNDLVL_NORM;
+
+	EmitSound( filter, entindex(), ep );
+}
+
+
+//-----------------------------------------------------------------------------
+// Purpose: Returns a given angular position as a value along our motion from 0 to 1.
+// Input  : vecAngles - 
+//-----------------------------------------------------------------------------
+float CMomentaryRotButton::GetPos( const QAngle &vecAngles )
+{
+	float flScale = 1;
+	if (( m_vecMoveAng[0] < 0 ) || ( m_vecMoveAng[1] < 0 ) || ( m_vecMoveAng[2] < 0 ))
+	{
+		flScale = -1;
+	}
+
+	float flPos = flScale * CBaseToggle::AxisDelta( m_spawnflags, vecAngles, m_start ) / m_flMoveDistance;
+	return( clamp( flPos, 0.f, 1.f ));
+}
+
+
+//------------------------------------------------------------------------------
+// Purpose :
+// Input   : flPosition 
+//------------------------------------------------------------------------------
+void CMomentaryRotButton::InputSetPosition( inputdata_t &inputdata )
+{
+	m_IdealYaw = clamp( inputdata.value.Float(), 0.f, 1.f );
+
+	float flCurPos = GetPos( GetLocalAngles() );
+	if ( flCurPos < m_IdealYaw )
+	{
+		// Moving forward (from start to end).
+		SetLocalAngularVelocity( m_flSpeed * m_vecMoveAng );
+		m_direction = 1;
+	}
+	else if ( flCurPos > m_IdealYaw )
+	{
+		// Moving backward (from end to start).
+		SetLocalAngularVelocity( -m_flSpeed * m_vecMoveAng );
+		m_direction = -1;
+	}
+	else
+	{
+		// We're there already; nothing to do.
+		SetLocalAngularVelocity( vec3_angle );
+		return;
+	}
+
+	SetMoveDone( &CMomentaryRotButton::SetPositionMoveDone );
+
+	SetThink( &CMomentaryRotButton::UpdateThink );
+	SetNextThink( gpGlobals->curtime );
+
+	//
+	// Think again in 0.1 seconds or the time that it will take us to reach our movement goal,
+	// whichever is the shorter interval. This prevents us from overshooting and stuttering when we
+	// are told to change position in very small increments.
+	//
+	QAngle vecNewAngles = m_start + m_vecMoveAng * ( m_IdealYaw * m_flMoveDistance );
+	float flAngleDelta = fabs( AxisDelta( m_spawnflags, vecNewAngles, GetLocalAngles() ));
+	float dt = flAngleDelta / m_flSpeed;
+	if ( dt < TICK_INTERVAL )
+	{
+		dt = TICK_INTERVAL;
+		float speed = flAngleDelta / TICK_INTERVAL;
+		SetLocalAngularVelocity( speed * m_vecMoveAng * m_direction );
+	}
+	dt = clamp( dt, TICK_INTERVAL, TICK_INTERVAL * 6);
+
+	SetMoveDoneTime( dt );
+}
+
+
+//------------------------------------------------------------------------------
+// Purpose :
+// Input   : flPosition 
+//------------------------------------------------------------------------------
+void CMomentaryRotButton::InputSetPositionImmediately( inputdata_t &inputdata )
+{
+	m_IdealYaw = clamp( inputdata.value.Float(), 0.f, 1.f );
+	SetLocalAngles( m_start + m_vecMoveAng * ( m_IdealYaw * m_flMoveDistance ) );
+}
+
+
+//------------------------------------------------------------------------------
+// Purpose: Turns off target updates so that we can change the wheel's position
+//			without changing the target's position. Used for jiggling when locked.
+//------------------------------------------------------------------------------
+void CMomentaryRotButton::InputDisableUpdateTarget( inputdata_t &inputdata )
+{
+	m_bUpdateTarget = false;
+}
+
+
+//------------------------------------------------------------------------------
+// Purpose: Turns target updates back on (after jiggling).
+//------------------------------------------------------------------------------
+void CMomentaryRotButton::InputEnableUpdateTarget( inputdata_t &inputdata )
+{
+	m_bUpdateTarget = true;
+}
+
+
+//-----------------------------------------------------------------------------
+// Purpose: Locks the button. If locked, the button will play the locked sound
+//			when the player tries to use it.
+//-----------------------------------------------------------------------------
+void CMomentaryRotButton::Lock()
+{
+	BaseClass::Lock();
+
+	SetLocalAngularVelocity( vec3_angle );
+	SetMoveDoneTime( -1 );
+	SetMoveDone( NULL );
+
+	SetNextThink( TICK_NEVER_THINK );
+	SetThink( NULL );
+}
+
+
+//-----------------------------------------------------------------------------
+// Purpose: Unlocks the button, making it able to be pressed again.
+//-----------------------------------------------------------------------------
+void CMomentaryRotButton::Unlock()
+{
+	BaseClass::Unlock();
+
+	SetMoveDone( &CMomentaryRotButton::ReturnMoveDone );
+
+	// Delay before autoreturn.
+	SetMoveDoneTime( 0.1f );
+}
+
+
+//-----------------------------------------------------------------------------
+// Purpose: Fires the appropriate outputs at the extremes of motion.
+//-----------------------------------------------------------------------------
+void CMomentaryRotButton::OutputMovementComplete( void )
+{
+	if (m_IdealYaw == 1.0)
+	{
+		m_OnFullyClosed.FireOutput(this, this);
+	}
+	else if (m_IdealYaw == 0.0)
+	{
+		m_OnFullyOpen.FireOutput(this, this);
+	}
+
+	m_OnReachedPosition.FireOutput( this, this );
+}
+
+
+//------------------------------------------------------------------------------
+// Purpose: MoveDone function for the SetPosition input handler. Tracks our
+//			progress toward a movement goal and updates our outputs.
+//------------------------------------------------------------------------------
+void CMomentaryRotButton::SetPositionMoveDone(void)
+{
+	float flCurPos = GetPos( GetLocalAngles() );
+
+	if ((( flCurPos >= m_IdealYaw ) && ( m_direction == 1 )) ||
+		(( flCurPos <= m_IdealYaw ) && ( m_direction == -1 )))
+	{
+		//
+		// We reached or surpassed our movement goal.
+		//
+		SetLocalAngularVelocity( vec3_angle );
+		// BUGBUG: Won't this get the player stuck?
+		SetLocalAngles( m_start + m_vecMoveAng * ( m_IdealYaw * m_flMoveDistance ) );
+		SetNextThink( TICK_NEVER_THINK );
+		SetMoveDoneTime( -1 );
+		UpdateTarget( m_IdealYaw, this );
+		OutputMovementComplete();
+		return;
+	}
+
+	// TODO: change this to use a Think function like ReturnThink.
+	QAngle vecNewAngles = m_start + m_vecMoveAng * ( m_IdealYaw * m_flMoveDistance );
+	float flAngleDelta = fabs( AxisDelta( m_spawnflags, vecNewAngles, GetLocalAngles() ));
+	float dt = flAngleDelta / m_flSpeed;
+	if ( dt < TICK_INTERVAL )
+	{
+		dt = TICK_INTERVAL;
+		float speed = flAngleDelta / TICK_INTERVAL;
+		SetLocalAngularVelocity( speed * m_vecMoveAng * m_direction );
+	}
+	dt = clamp( dt, TICK_INTERVAL, TICK_INTERVAL * 6);
+
+	SetMoveDoneTime( dt );
+}
+
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+// Input  : pActivator - 
+//			pCaller - 
+//			useType - 
+//			value - 
+//-----------------------------------------------------------------------------
+void CMomentaryRotButton::Use( CBaseEntity *pActivator, CBaseEntity *pCaller, USE_TYPE useType, float value )
+{
+	if ( m_bDisabled == true )
+		return;
+
+	if (m_bLocked)
+	{
+		if ( OnUseLocked( pActivator ) && HasSpawnFlags( SF_BUTTON_JIGGLE_ON_USE_LOCKED ) )
+		{
+			// Jiggle two degrees.
+			float flDist = 2.0 / m_flMoveDistance;
+
+			// Must be first!
+			g_EventQueue.AddEvent( this, "_DisableUpdateTarget", 0, this, this );
+
+			variant_t value;
+			value.SetFloat( flDist );
+			g_EventQueue.AddEvent( this, "SetPosition", value, 0.01, this, this );
+
+			value.SetFloat( 0.0 );
+			g_EventQueue.AddEvent( this, "SetPosition", value, 0.1, this, this );
+
+			value.SetFloat( 0.5 * flDist );
+			g_EventQueue.AddEvent( this, "SetPosition", value, 0.2, this, this );
+
+			value.SetFloat( 0.0 );
+			g_EventQueue.AddEvent( this, "SetPosition", value, 0.3, this, this );
+
+			// Must be last! And must be late enough to cover the settling time.
+			g_EventQueue.AddEvent( this, "_EnableUpdateTarget", 0.5, this, this );
+		}
+
+		return;
+	}
+
+	//
+	// Reverse our direction and play movement sound every time the player
+	// pauses between uses.
+	//
+	bool bPlaySound = false;
+	
+	if ( !m_lastUsed )
+	{
+		bPlaySound = true;
+		m_direction = -m_direction;
+
+		//Alert that we've been pressed
+		m_OnPressed.FireOutput( m_hActivator, this );
+	}
+
+	m_lastUsed = 1;
+
+	float flPos = GetPos( GetLocalAngles() );
+	UpdateSelf( flPos, bPlaySound );
+
+	//
+	// Think every frame while we are moving.
+	// HACK: Don't reset the think time if we already have a pending think.
+	// This works around an issue with host_thread_mode > 0 when the player's
+	// clock runs ahead of the server.
+	//
+	if ( !m_pfnThink )
+	{
+		SetThink( &CMomentaryRotButton::UpdateThink );
+		SetNextThink( gpGlobals->curtime );
+	}
+}
+
+
+//-----------------------------------------------------------------------------
+// Purpose: Handles changing direction at the extremes of our range of motion
+//			and updating our avelocity while being used by the player.
+// Input  : value - Number from 0 to 1 indicating our desired position within
+//				our range of motion, 0 = start, 1 = end.
+//-----------------------------------------------------------------------------
+void CMomentaryRotButton::UpdateSelf( float value, bool bPlaySound )
+{
+	//
+	// Set our move clock to 0.1 seconds in the future so we stop spinning unless we are
+	// used again before then.
+	//
+	SetMoveDoneTime( 0.1 );
+
+	//
+	// If we hit the end, zero our avelocity and snap to the end angles.
+	//
+	if ( m_direction > 0 && value >= 1.0 )
+	{
+		SetLocalAngularVelocity( vec3_angle );
+		SetLocalAngles( m_end );
+
+		m_OnFullyClosed.FireOutput(this, this);
+		return;
+	}
+	//
+	// If we returned to the start, zero our avelocity and snap to the start angles.
+	//
+	else if ( m_direction < 0 && value <= 0 )
+	{
+		SetLocalAngularVelocity( vec3_angle );
+		SetLocalAngles( m_start );
+
+		m_OnFullyOpen.FireOutput(this, this);
+		return;
+	}
+	
+	if ( bPlaySound )
+	{
+		PlaySound();
+	}
+
+	SetLocalAngularVelocity( ( m_direction * m_flSpeed ) * m_vecMoveAng );
+	SetMoveDone( &CMomentaryRotButton::UseMoveDone );
+}
+
+
+//-----------------------------------------------------------------------------
+// Purpose: Updates the value of our position, firing any targets.
+// Input  : value - New position, from 0 - 1.
+//-----------------------------------------------------------------------------
+void CMomentaryRotButton::UpdateTarget( float value, CBaseEntity *pActivator )
+{
+	if ( !m_bUpdateTarget )
+		return;
+
+	if (m_Position.Get() != value)
+	{
+		m_Position.Set(value, pActivator, this);
+	}
+}
+
+
+//-----------------------------------------------------------------------------
+// Purpose: Handles the end of motion caused by player use.
+//-----------------------------------------------------------------------------
+void CMomentaryRotButton::UseMoveDone( void )
+{
+	SetLocalAngularVelocity( vec3_angle );
+
+	// Make sure our targets stop where we stopped.
+	float flPos = GetPos( GetLocalAngles() );
+	UpdateTarget( flPos, this );
+
+	// Alert that we've been unpressed
+	m_OnUnpressed.FireOutput( m_hActivator, this );
+
+	m_lastUsed = 0;
+
+	if ( !HasSpawnFlags( SF_BUTTON_TOGGLE ) && m_returnSpeed > 0 )
+	{
+		SetMoveDone( &CMomentaryRotButton::ReturnMoveDone );
+		m_direction = -1;
+
+		// Delay before autoreturn.
+		SetMoveDoneTime( 0.1f );
+	}
+	else
+	{
+		SetThink( NULL );
+		SetMoveDone( NULL );
+	}
+}
+
+
+//-----------------------------------------------------------------------------
+// Purpose: MoveDone function for rotating back to the start position.
+//-----------------------------------------------------------------------------
+void CMomentaryRotButton::ReturnMoveDone( void )
+{
+	float value = GetPos( GetLocalAngles() );
+	if ( value <= 0 )
+	{
+		//
+		// Got back to the start, stop spinning.
+		//
+		SetLocalAngularVelocity( vec3_angle );
+		SetLocalAngles( m_start );
+
+		UpdateTarget( 0, NULL );
+
+		SetMoveDoneTime( -1 );
+		SetMoveDone( NULL );
+
+		SetNextThink( TICK_NEVER_THINK );
+		SetThink( NULL );
+	}
+	else
+	{
+		SetLocalAngularVelocity( -m_returnSpeed * m_vecMoveAng );
+		SetMoveDoneTime( 0.1f );
+
+		SetThink( &CMomentaryRotButton::UpdateThink );
+		SetNextThink( gpGlobals->curtime + 0.01f );
+	}
+}
+
+
+//-----------------------------------------------------------------------------
+// Purpose: Think function for updating target as we move.
+//-----------------------------------------------------------------------------
+void CMomentaryRotButton::UpdateThink( void )
+{
+	float value = GetPos( GetLocalAngles() );
+	UpdateTarget( value, NULL );
+	SetNextThink( gpGlobals->curtime );
+}
+
+
+//-----------------------------------------------------------------------------
+// Purpose: Draw any debug text overlays
+// Output : Current text offset from the top
+//-----------------------------------------------------------------------------
+int CMomentaryRotButton::DrawDebugTextOverlays(void) 
+{
+	int text_offset = BaseClass::DrawDebugTextOverlays();
+
+	if (m_debugOverlays & OVERLAY_TEXT_BIT) 
+	{
+		char tempstr[255];
+		
+		Q_snprintf(tempstr,sizeof(tempstr),"QAngle: %.2f %.2f %.2f", GetLocalAngles()[0], GetLocalAngles()[1], GetLocalAngles()[2]);
+		EntityText(text_offset,tempstr,0);
+		text_offset++;
+
+		Q_snprintf(tempstr,sizeof(tempstr),"AVelocity: %.2f %.2f %.2f", GetLocalAngularVelocity()[0], GetLocalAngularVelocity()[1], GetLocalAngularVelocity()[2]);
+		EntityText(text_offset,tempstr,0);
+		text_offset++;
+
+		Q_snprintf(tempstr,sizeof(tempstr),"Target Pos:   %3.3f",m_IdealYaw);
+		EntityText(text_offset,tempstr,0);
+		text_offset++;
+
+		float flCurPos = GetPos(GetLocalAngles());
+		Q_snprintf(tempstr,sizeof(tempstr),"Current Pos:   %3.3f",flCurPos);
+		EntityText(text_offset,tempstr,0);
+		text_offset++;
+
+		Q_snprintf(tempstr,sizeof(tempstr),"Direction: %s",(m_direction == 1) ? "Forward" : "Backward");
+		EntityText(text_offset,tempstr,0);
+		text_offset++;
+
+	}
+	return text_offset;
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: Input hander that starts the spawner
+//-----------------------------------------------------------------------------
+void CMomentaryRotButton::InputEnable( inputdata_t &inputdata )
+{
+	Enable();
+}
+
+
+//-----------------------------------------------------------------------------
+// Purpose: Input hander that stops the spawner
+//-----------------------------------------------------------------------------
+void CMomentaryRotButton::InputDisable( inputdata_t &inputdata )
+{
+	Disable();
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: Start the spawner
+//-----------------------------------------------------------------------------
+void CMomentaryRotButton::Enable( void )
+{
+	m_bDisabled = false;
+}
+
+
+//-----------------------------------------------------------------------------
+// Purpose: Stop the spawner
+//-----------------------------------------------------------------------------
+void CMomentaryRotButton::Disable( void )
+{
+	m_bDisabled = true;
 }
\ No newline at end of file