First version of the SOurce SDK 2013

1 files changed, 511 insertions, 0 deletions

diff --git a/mp/src/game/server/point_spotlight.cpp b/mp/src/game/server/point_spotlight.cpp
new file mode 100644
index 00000000..b97ea9fd
--- /dev/null
+++ b/mp/src/game/server/point_spotlight.cpp
@@ -0,0 +1,511 @@
+//========= Copyright Valve Corporation, All rights reserved. ============//

+//

+// Purpose: 

+//

+//===========================================================================//

+

+#include "cbase.h"

+#include "beam_shared.h"

+#include "spotlightend.h"

+

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

+#include "tier0/memdbgon.h"

+

+// Spawnflags

+#define SF_SPOTLIGHT_START_LIGHT_ON			0x1

+#define SF_SPOTLIGHT_NO_DYNAMIC_LIGHT		0x2

+

+

+//-----------------------------------------------------------------------------

+// Purpose: 

+//-----------------------------------------------------------------------------

+class CPointSpotlight : public CPointEntity

+{

+	DECLARE_CLASS( CPointSpotlight, CPointEntity );

+public:

+	DECLARE_DATADESC();

+

+	CPointSpotlight();

+

+	void	Precache(void);

+	void	Spawn(void);

+	virtual void Activate();

+

+	virtual void OnEntityEvent( EntityEvent_t event, void *pEventData );

+

+private:

+	int 	UpdateTransmitState();

+	void	SpotlightThink(void);

+	void	SpotlightUpdate(void);

+	Vector	SpotlightCurrentPos(void);

+	void	SpotlightCreate(void);

+	void	SpotlightDestroy(void);

+

+	// ------------------------------

+	//  Inputs

+	// ------------------------------

+	void InputLightOn( inputdata_t &inputdata );

+	void InputLightOff( inputdata_t &inputdata );

+

+	// Creates the efficient spotlight 

+	void CreateEfficientSpotlight();

+

+	// Computes render info for a spotlight

+	void ComputeRenderInfo();

+

+private:

+	bool	m_bSpotlightOn;

+	bool	m_bEfficientSpotlight;

+	Vector	m_vSpotlightTargetPos;

+	Vector	m_vSpotlightCurrentPos;

+	Vector	m_vSpotlightDir;

+	int		m_nHaloSprite;

+	CHandle<CBeam>			m_hSpotlight;

+	CHandle<CSpotlightEnd>	m_hSpotlightTarget;

+	

+	float	m_flSpotlightMaxLength;

+	float	m_flSpotlightCurLength;

+	float	m_flSpotlightGoalWidth;

+	float	m_flHDRColorScale;

+	int		m_nMinDXLevel;

+

+public:

+	COutputEvent m_OnOn, m_OnOff;     ///< output fires when turned on, off

+};

+

+BEGIN_DATADESC( CPointSpotlight )

+	DEFINE_FIELD( m_flSpotlightCurLength, FIELD_FLOAT ),

+

+	DEFINE_FIELD( m_bSpotlightOn,			FIELD_BOOLEAN ),

+	DEFINE_FIELD( m_bEfficientSpotlight,	FIELD_BOOLEAN ),

+	DEFINE_FIELD( m_vSpotlightTargetPos,	FIELD_POSITION_VECTOR ),

+	DEFINE_FIELD( m_vSpotlightCurrentPos,	FIELD_POSITION_VECTOR ),

+

+	// Robin: Don't Save, recreated after restore/transition

+	//DEFINE_FIELD( m_hSpotlight,			FIELD_EHANDLE ),

+	//DEFINE_FIELD( m_hSpotlightTarget,		FIELD_EHANDLE ),

+

+	DEFINE_FIELD( m_vSpotlightDir,			FIELD_VECTOR ),

+	DEFINE_FIELD( m_nHaloSprite,			FIELD_INTEGER ),

+

+	DEFINE_KEYFIELD( m_flSpotlightMaxLength,FIELD_FLOAT, "SpotlightLength"),

+	DEFINE_KEYFIELD( m_flSpotlightGoalWidth,FIELD_FLOAT, "SpotlightWidth"),

+	DEFINE_KEYFIELD( m_flHDRColorScale, FIELD_FLOAT, "HDRColorScale" ),

+	DEFINE_KEYFIELD( m_nMinDXLevel, FIELD_INTEGER, "mindxlevel" ),

+

+	// Inputs

+	DEFINE_INPUTFUNC( FIELD_VOID,		"LightOn",		InputLightOn ),

+	DEFINE_INPUTFUNC( FIELD_VOID,		"LightOff",		InputLightOff ),

+	DEFINE_OUTPUT( m_OnOn, "OnLightOn" ),

+	DEFINE_OUTPUT( m_OnOff, "OnLightOff" ),

+

+	DEFINE_THINKFUNC( SpotlightThink ),

+

+END_DATADESC()

+

+

+LINK_ENTITY_TO_CLASS(point_spotlight, CPointSpotlight);

+

+//-----------------------------------------------------------------------------

+// Purpose: 

+//-----------------------------------------------------------------------------

+CPointSpotlight::CPointSpotlight()

+{

+#ifdef _DEBUG

+	m_vSpotlightTargetPos.Init();

+	m_vSpotlightCurrentPos.Init();

+	m_vSpotlightDir.Init();

+#endif

+	m_flHDRColorScale = 1.0f;

+	m_nMinDXLevel = 0;

+}

+

+

+//-----------------------------------------------------------------------------

+// Purpose: 

+//-----------------------------------------------------------------------------

+void CPointSpotlight::Precache(void)

+{

+	BaseClass::Precache();

+

+	// Sprites.

+	m_nHaloSprite = PrecacheModel("sprites/light_glow03.vmt");

+	PrecacheModel( "sprites/glow_test02.vmt" );

+}

+

+

+//-----------------------------------------------------------------------------

+// Purpose: 

+//-----------------------------------------------------------------------------

+void CPointSpotlight::Spawn(void)

+{

+	Precache();

+

+	UTIL_SetSize( this,vec3_origin,vec3_origin );

+	AddSolidFlags( FSOLID_NOT_SOLID );

+	SetMoveType( MOVETYPE_NONE );

+	m_bEfficientSpotlight = true;

+

+	// Check for user error

+	if (m_flSpotlightMaxLength <= 0)

+	{

+		DevMsg("%s (%s) has an invalid spotlight length <= 0, setting to 500\n", GetClassname(), GetDebugName() );

+		m_flSpotlightMaxLength = 500;

+	}

+	if (m_flSpotlightGoalWidth <= 0)

+	{

+		DevMsg("%s (%s) has an invalid spotlight width <= 0, setting to 10\n", GetClassname(), GetDebugName() );

+		m_flSpotlightGoalWidth = 10;

+	}

+	

+	if (m_flSpotlightGoalWidth > MAX_BEAM_WIDTH )

+	{

+		DevMsg("%s (%s) has an invalid spotlight width %.1f (max %.1f).\n", GetClassname(), GetDebugName(), m_flSpotlightGoalWidth, MAX_BEAM_WIDTH );

+		m_flSpotlightGoalWidth = MAX_BEAM_WIDTH; 

+	}

+

+	// ------------------------------------

+	//	Init all class vars 

+	// ------------------------------------

+	m_vSpotlightTargetPos	= vec3_origin;

+	m_vSpotlightCurrentPos	= vec3_origin;

+	m_hSpotlight			= NULL;

+	m_hSpotlightTarget		= NULL;

+	m_vSpotlightDir			= vec3_origin;

+	m_flSpotlightCurLength	= m_flSpotlightMaxLength;

+

+	m_bSpotlightOn = HasSpawnFlags( SF_SPOTLIGHT_START_LIGHT_ON );

+

+	SetThink( &CPointSpotlight::SpotlightThink );

+	SetNextThink( gpGlobals->curtime + 0.1f );

+}

+

+

+//-----------------------------------------------------------------------------

+// Computes render info for a spotlight

+//-----------------------------------------------------------------------------

+void CPointSpotlight::ComputeRenderInfo()

+{

+	// Fade out spotlight end if past max length.  

+	if ( m_flSpotlightCurLength > 2*m_flSpotlightMaxLength )

+	{

+		m_hSpotlightTarget->SetRenderColorA( 0 );

+		m_hSpotlight->SetFadeLength( m_flSpotlightMaxLength );

+	}

+	else if ( m_flSpotlightCurLength > m_flSpotlightMaxLength )		

+	{

+		m_hSpotlightTarget->SetRenderColorA( (1-((m_flSpotlightCurLength-m_flSpotlightMaxLength)/m_flSpotlightMaxLength)) );

+		m_hSpotlight->SetFadeLength( m_flSpotlightMaxLength );

+	}

+	else

+	{

+		m_hSpotlightTarget->SetRenderColorA( 1.0 );

+		m_hSpotlight->SetFadeLength( m_flSpotlightCurLength );

+	}

+

+	// Adjust end width to keep beam width constant

+	float flNewWidth = m_flSpotlightGoalWidth * (m_flSpotlightCurLength / m_flSpotlightMaxLength);

+	flNewWidth = clamp(flNewWidth, 0.f, MAX_BEAM_WIDTH );

+	m_hSpotlight->SetEndWidth(flNewWidth);

+

+	// Adjust width of light on the end.  

+	if ( FBitSet (m_spawnflags, SF_SPOTLIGHT_NO_DYNAMIC_LIGHT) )

+	{

+		m_hSpotlightTarget->m_flLightScale = 0.0;

+	}

+	else

+	{

+		// <<TODO>> - magic number 1.8 depends on sprite size

+		m_hSpotlightTarget->m_flLightScale = 1.8*flNewWidth;

+	}

+}

+

+

+//-----------------------------------------------------------------------------

+// Creates the efficient spotlight 

+//-----------------------------------------------------------------------------

+void CPointSpotlight::CreateEfficientSpotlight()

+{

+	if ( m_hSpotlightTarget.Get() != NULL )

+		return;

+

+	SpotlightCreate();

+	m_vSpotlightCurrentPos = SpotlightCurrentPos();

+	m_hSpotlightTarget->SetAbsOrigin( m_vSpotlightCurrentPos );

+	m_hSpotlightTarget->m_vSpotlightOrg = GetAbsOrigin();

+	VectorSubtract( m_hSpotlightTarget->GetAbsOrigin(), m_hSpotlightTarget->m_vSpotlightOrg, m_hSpotlightTarget->m_vSpotlightDir );

+	m_flSpotlightCurLength = VectorNormalize( m_hSpotlightTarget->m_vSpotlightDir );

+	m_hSpotlightTarget->SetMoveType( MOVETYPE_NONE );

+	ComputeRenderInfo();

+

+	m_OnOn.FireOutput( this, this );

+}

+

+

+//-----------------------------------------------------------------------------

+// Purpose: 

+//-----------------------------------------------------------------------------

+void CPointSpotlight::Activate(void)

+{

+	BaseClass::Activate();

+

+	if ( GetMoveParent() )

+	{

+		m_bEfficientSpotlight = false;

+	}

+

+	if ( m_bEfficientSpotlight )

+	{

+		if ( m_bSpotlightOn )

+		{

+			CreateEfficientSpotlight();

+		}

+

+		// Don't think

+		SetThink( NULL );

+	}

+}

+

+

+//-------------------------------------------------------------------------------------

+// Optimization to deal with spotlights

+//-------------------------------------------------------------------------------------

+void CPointSpotlight::OnEntityEvent( EntityEvent_t event, void *pEventData )

+{

+	if ( event == ENTITY_EVENT_PARENT_CHANGED )

+	{

+		if ( GetMoveParent() )

+		{

+			m_bEfficientSpotlight = false;

+			if ( m_hSpotlightTarget )

+			{

+				m_hSpotlightTarget->SetMoveType( MOVETYPE_FLY );

+			}

+			SetThink( &CPointSpotlight::SpotlightThink );

+			SetNextThink( gpGlobals->curtime + 0.1f );

+		}

+	}

+

+	BaseClass::OnEntityEvent( event, pEventData );

+}

+

+	

+//-------------------------------------------------------------------------------------

+// Purpose : Send even though we don't have a model so spotlight gets proper position

+// Input   :

+// Output  :

+//-------------------------------------------------------------------------------------

+int CPointSpotlight::UpdateTransmitState()

+{

+	if ( m_bEfficientSpotlight )

+		return SetTransmitState( FL_EDICT_DONTSEND );

+

+	return SetTransmitState( FL_EDICT_PVSCHECK );

+}

+

+//-----------------------------------------------------------------------------

+// Purpose: Plays the engine sound.

+//-----------------------------------------------------------------------------

+void CPointSpotlight::SpotlightThink( void )

+{

+	if ( GetMoveParent() )

+	{

+		SetNextThink( gpGlobals->curtime + TICK_INTERVAL );

+	}

+	else

+	{

+		SetNextThink( gpGlobals->curtime + 0.1f );

+	}

+

+	SpotlightUpdate();

+}

+

+//------------------------------------------------------------------------------

+// Purpose :

+// Input   :

+// Output  :

+//------------------------------------------------------------------------------

+void CPointSpotlight::SpotlightCreate(void)

+{

+	if ( m_hSpotlightTarget.Get() != NULL )

+		return;

+

+	AngleVectors( GetAbsAngles(), &m_vSpotlightDir );

+

+	trace_t tr;

+	UTIL_TraceLine( GetAbsOrigin(), GetAbsOrigin() + m_vSpotlightDir * m_flSpotlightMaxLength, MASK_SOLID_BRUSHONLY, this, COLLISION_GROUP_NONE, &tr);

+

+	m_hSpotlightTarget = (CSpotlightEnd*)CreateEntityByName( "spotlight_end" );

+	m_hSpotlightTarget->Spawn();

+	m_hSpotlightTarget->SetAbsOrigin( tr.endpos );

+	m_hSpotlightTarget->SetOwnerEntity( this );

+	m_hSpotlightTarget->m_clrRender = m_clrRender;

+	m_hSpotlightTarget->m_Radius = m_flSpotlightMaxLength;

+

+	if ( FBitSet (m_spawnflags, SF_SPOTLIGHT_NO_DYNAMIC_LIGHT) )

+	{

+		m_hSpotlightTarget->m_flLightScale = 0.0;

+	}

+

+	//m_hSpotlight = CBeam::BeamCreate( "sprites/spotlight.vmt", m_flSpotlightGoalWidth );

+	m_hSpotlight = CBeam::BeamCreate( "sprites/glow_test02.vmt", m_flSpotlightGoalWidth );

+	// Set the temporary spawnflag on the beam so it doesn't save (we'll recreate it on restore)

+	m_hSpotlight->SetHDRColorScale( m_flHDRColorScale );

+	m_hSpotlight->AddSpawnFlags( SF_BEAM_TEMPORARY );

+	m_hSpotlight->SetColor( m_clrRender->r, m_clrRender->g, m_clrRender->b ); 

+	m_hSpotlight->SetHaloTexture(m_nHaloSprite);

+	m_hSpotlight->SetHaloScale(60);

+	m_hSpotlight->SetEndWidth(m_flSpotlightGoalWidth);

+	m_hSpotlight->SetBeamFlags( (FBEAM_SHADEOUT|FBEAM_NOTILE) );

+	m_hSpotlight->SetBrightness( 64 );

+	m_hSpotlight->SetNoise( 0 );

+	m_hSpotlight->SetMinDXLevel( m_nMinDXLevel );

+

+	if ( m_bEfficientSpotlight )

+	{

+		m_hSpotlight->PointsInit( GetAbsOrigin(), m_hSpotlightTarget->GetAbsOrigin() );

+	}

+	else

+	{

+		m_hSpotlight->EntsInit( this, m_hSpotlightTarget );

+	}

+}

+

+//------------------------------------------------------------------------------

+// Purpose :

+// Input   :

+// Output  :

+//------------------------------------------------------------------------------

+Vector CPointSpotlight::SpotlightCurrentPos(void)

+{

+	AngleVectors( GetAbsAngles(), &m_vSpotlightDir );

+

+	//	Get beam end point.  Only collide with solid objects, not npcs

+	trace_t tr;

+	UTIL_TraceLine( GetAbsOrigin(), GetAbsOrigin() + (m_vSpotlightDir * 2 * m_flSpotlightMaxLength), MASK_SOLID_BRUSHONLY, this, COLLISION_GROUP_NONE, &tr );

+	return tr.endpos;

+}

+

+//------------------------------------------------------------------------------

+// Purpose :

+// Input   :

+// Output  :

+//------------------------------------------------------------------------------

+void CPointSpotlight::SpotlightDestroy(void)

+{

+	if ( m_hSpotlight )

+	{

+		m_OnOff.FireOutput( this, this );

+

+		UTIL_Remove(m_hSpotlight);

+		UTIL_Remove(m_hSpotlightTarget);

+	}

+}

+

+//------------------------------------------------------------------------------

+// Purpose : Update the direction and position of my spotlight

+// Input   :

+// Output  :

+//------------------------------------------------------------------------------

+void CPointSpotlight::SpotlightUpdate(void)

+{

+	// ---------------------------------------------------

+	//  If I don't have a spotlight attempt to create one

+	// ---------------------------------------------------

+	if ( !m_hSpotlight )

+	{

+		if ( m_bSpotlightOn )

+		{

+			// Make the spotlight

+			SpotlightCreate();

+		}

+		else

+		{

+			return;

+		}

+	}

+	else if ( !m_bSpotlightOn )

+	{

+		SpotlightDestroy();

+		return;

+	}

+	

+	if ( !m_hSpotlightTarget )

+	{

+		DevWarning( "**Attempting to update point_spotlight but target ent is NULL\n" );

+		SpotlightDestroy();

+		SpotlightCreate();

+		if ( !m_hSpotlightTarget )

+			return;

+	}

+

+	m_vSpotlightCurrentPos = SpotlightCurrentPos();

+

+	//  Update spotlight target velocity

+	Vector vTargetDir;

+	VectorSubtract( m_vSpotlightCurrentPos, m_hSpotlightTarget->GetAbsOrigin(), vTargetDir );

+	float vTargetDist = vTargetDir.Length();

+

+	// If we haven't moved at all, don't recompute

+	if ( vTargetDist < 1 )

+	{

+		m_hSpotlightTarget->SetAbsVelocity( vec3_origin );

+		return;

+	}

+

+	Vector vecNewVelocity = vTargetDir;

+	VectorNormalize(vecNewVelocity);

+	vecNewVelocity *= (10 * vTargetDist);

+

+	// If a large move is requested, just jump to final spot as we probably hit a discontinuity

+	if (vecNewVelocity.Length() > 200)

+	{

+		VectorNormalize(vecNewVelocity);

+		vecNewVelocity *= 200;

+		VectorNormalize(vTargetDir);

+		m_hSpotlightTarget->SetAbsOrigin( m_vSpotlightCurrentPos );

+	}

+	m_hSpotlightTarget->SetAbsVelocity( vecNewVelocity );

+	m_hSpotlightTarget->m_vSpotlightOrg = GetAbsOrigin();

+

+	// Avoid sudden change in where beam fades out when cross disconinuities

+	VectorSubtract( m_hSpotlightTarget->GetAbsOrigin(), m_hSpotlightTarget->m_vSpotlightOrg, m_hSpotlightTarget->m_vSpotlightDir );

+	float flBeamLength	= VectorNormalize( m_hSpotlightTarget->m_vSpotlightDir );

+	m_flSpotlightCurLength = (0.60*m_flSpotlightCurLength) + (0.4*flBeamLength);

+

+	ComputeRenderInfo();

+

+	//NDebugOverlay::Cross3D(GetAbsOrigin(),Vector(-5,-5,-5),Vector(5,5,5),0,255,0,true,0.1);

+	//NDebugOverlay::Cross3D(m_vSpotlightCurrentPos,Vector(-5,-5,-5),Vector(5,5,5),0,255,0,true,0.1);

+	//NDebugOverlay::Cross3D(m_vSpotlightTargetPos,Vector(-5,-5,-5),Vector(5,5,5),255,0,0,true,0.1);

+}

+

+//-----------------------------------------------------------------------------

+// Purpose: 

+//-----------------------------------------------------------------------------

+void CPointSpotlight::InputLightOn( inputdata_t &inputdata )

+{

+	if ( !m_bSpotlightOn )

+	{

+		m_bSpotlightOn = true;

+		if ( m_bEfficientSpotlight )

+		{

+			CreateEfficientSpotlight();

+		}

+	}

+}

+

+//-----------------------------------------------------------------------------

+// Purpose: 

+//-----------------------------------------------------------------------------

+void CPointSpotlight::InputLightOff( inputdata_t &inputdata )

+{

+	if ( m_bSpotlightOn )

+	{

+		m_bSpotlightOn = false;

+		if ( m_bEfficientSpotlight )

+		{

+			SpotlightDestroy();

+		}

+	}

+}