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game/client/episodic/flesh_internal_material_proxy.cpp

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+//========= Copyright Valve Corporation, All rights reserved. ============//
+// Purpose: 
+//
+// $NoKeywords: $
+//=====================================================================================//
+#include "cbase.h"
+#include "proxyentity.h"
+#include "materialsystem/imaterial.h"
+#include "materialsystem/imaterialvar.h"
+#include "debugoverlay_shared.h"
+
+// memdbgon must be the last include file in a .cpp file!!!
+#include "tier0/memdbgon.h"
+
+class C_FleshEffectTarget;
+void AddFleshProxyTarget( C_FleshEffectTarget *pTarget );
+void RemoveFleshProxy( C_FleshEffectTarget *pTarget );
+
+//=============================================================================
+// 
+//  Flesh effect target (used for orchestrating the "Invisible Alyx" moment
+//	
+//=============================================================================
+
+class C_FleshEffectTarget : public C_BaseEntity
+{
+	DECLARE_CLASS( C_FleshEffectTarget, C_BaseEntity );
+
+public:
+	float GetRadius( void ) 
+	{
+		if ( m_flScaleTime <= 0.0f )
+			return m_flRadius;
+
+		float dt = ( gpGlobals->curtime - m_flScaleStartTime );
+		if ( dt >= m_flScaleTime )
+			return m_flRadius;
+
+		return SimpleSplineRemapVal( ( dt / m_flScaleTime ), 0.0f, 1.0f, m_flStartRadius, m_flRadius );
+	}
+
+	virtual void Release( void )
+	{
+		// Remove us from the list of targets
+		RemoveFleshProxy( this );
+	}
+
+	virtual void OnDataChanged( DataUpdateType_t updateType )
+	{
+		BaseClass::OnDataChanged( updateType );
+
+		if ( updateType == DATA_UPDATE_CREATED )
+		{
+			// Add us to the list of flesh proxy targets
+			AddFleshProxyTarget( this );
+		}
+	}
+
+	float	m_flRadius;
+	float	m_flStartRadius;
+	float	m_flScaleStartTime;
+	float	m_flScaleTime;
+
+	DECLARE_CLIENTCLASS();
+};
+
+void RecvProxy_FleshEffect_Radius( const CRecvProxyData *pData, void *pStruct, void *pOut )
+{
+	C_FleshEffectTarget	*pTarget = (C_FleshEffectTarget	*) pStruct;
+	float flRadius	= pData->m_Value.m_Float;
+
+	//If changed, update our internal information
+	if ( pTarget->m_flRadius != flRadius )
+	{
+		pTarget->m_flStartRadius	= pTarget->m_flRadius;
+		pTarget->m_flScaleStartTime = gpGlobals->curtime;
+	}
+	
+	pTarget->m_flRadius = flRadius;
+}
+
+IMPLEMENT_CLIENTCLASS_DT( C_FleshEffectTarget, DT_FleshEffectTarget, CFleshEffectTarget )
+	RecvPropFloat( RECVINFO(m_flRadius), 0, RecvProxy_FleshEffect_Radius ),
+	RecvPropFloat( RECVINFO(m_flScaleTime) ),
+END_RECV_TABLE()
+
+CUtlVector< C_FleshEffectTarget * >	g_FleshProxyTargets;
+
+void AddFleshProxyTarget( C_FleshEffectTarget *pTarget )
+{
+	// Take it!
+	g_FleshProxyTargets.AddToTail( pTarget );
+}
+
+void RemoveFleshProxy( C_FleshEffectTarget *pTarget )
+{
+	int nIndex = g_FleshProxyTargets.Find( pTarget );
+	if ( nIndex != g_FleshProxyTargets.InvalidIndex() )
+	{
+		g_FleshProxyTargets.Remove( nIndex );
+	}
+}
+
+// $sineVar : name of variable that controls the FleshInterior level (float)
+class CFleshInteriorMaterialProxy : public CEntityMaterialProxy
+{
+public:
+	CFleshInteriorMaterialProxy();
+	virtual ~CFleshInteriorMaterialProxy();
+	virtual bool Init( IMaterial *pMaterial, KeyValues *pKeyValues );
+	virtual void OnBind( C_BaseEntity *pEntity );
+	virtual IMaterial *GetMaterial();
+
+private:
+	IMaterialVar *m_pMaterialParamFleshEffectCenterRadius1;
+	IMaterialVar *m_pMaterialParamFleshEffectCenterRadius2;
+	IMaterialVar *m_pMaterialParamFleshEffectCenterRadius3;
+	IMaterialVar *m_pMaterialParamFleshEffectCenterRadius4;
+	IMaterialVar *m_pMaterialParamFleshGlobalOpacity;
+	IMaterialVar *m_pMaterialParamFleshSubsurfaceTint;
+};
+
+CFleshInteriorMaterialProxy::CFleshInteriorMaterialProxy()
+{
+	m_pMaterialParamFleshEffectCenterRadius1 = NULL;
+	m_pMaterialParamFleshEffectCenterRadius2 = NULL;
+	m_pMaterialParamFleshEffectCenterRadius3 = NULL;
+	m_pMaterialParamFleshEffectCenterRadius4 = NULL;
+	m_pMaterialParamFleshGlobalOpacity = NULL;
+	m_pMaterialParamFleshSubsurfaceTint = NULL;
+}
+
+CFleshInteriorMaterialProxy::~CFleshInteriorMaterialProxy()
+{
+	// Do nothing
+}
+
+bool CFleshInteriorMaterialProxy::Init( IMaterial *pMaterial, KeyValues *pKeyValues )
+{
+	bool bFoundVar = false;
+
+	m_pMaterialParamFleshEffectCenterRadius1 = pMaterial->FindVar( "$FleshEffectCenterRadius1", &bFoundVar, false );
+	if ( bFoundVar == false)
+		return false;
+
+	m_pMaterialParamFleshEffectCenterRadius2 = pMaterial->FindVar( "$FleshEffectCenterRadius2", &bFoundVar, false );
+	if ( bFoundVar == false)
+		return false;
+
+	m_pMaterialParamFleshEffectCenterRadius3 = pMaterial->FindVar( "$FleshEffectCenterRadius3", &bFoundVar, false );
+	if ( bFoundVar == false)
+		return false;
+
+	m_pMaterialParamFleshEffectCenterRadius4 = pMaterial->FindVar( "$FleshEffectCenterRadius4", &bFoundVar, false );
+	if ( bFoundVar == false)
+		return false;
+
+	m_pMaterialParamFleshGlobalOpacity = pMaterial->FindVar( "$FleshGlobalOpacity", &bFoundVar, false );
+	if ( bFoundVar == false)
+		return false;
+
+	m_pMaterialParamFleshSubsurfaceTint = pMaterial->FindVar( "$FleshSubsurfaceTint", &bFoundVar, false );
+	if ( bFoundVar == false)
+		return false;
+
+	return true;
+}
+
+void CFleshInteriorMaterialProxy::OnBind( C_BaseEntity *pEnt )
+{
+	IMaterialVar *pParams[] =
+	{
+		m_pMaterialParamFleshEffectCenterRadius1,
+		m_pMaterialParamFleshEffectCenterRadius2,
+		m_pMaterialParamFleshEffectCenterRadius3,
+		m_pMaterialParamFleshEffectCenterRadius4
+	};
+
+	float vEffectCenterRadius[4];
+	for ( int i = 0; i < ARRAYSIZE( pParams ); i++ )
+	{
+		if ( i < g_FleshProxyTargets.Count() )
+		{
+			// Setup the target
+			if ( g_FleshProxyTargets[i]->IsAbsQueriesValid() == false )
+				continue;
+
+			Vector vecAbsOrigin = g_FleshProxyTargets[i]->GetAbsOrigin();
+			vEffectCenterRadius[0] = vecAbsOrigin.x;
+			vEffectCenterRadius[1] = vecAbsOrigin.y;
+			vEffectCenterRadius[2] = vecAbsOrigin.z;
+			vEffectCenterRadius[3] = g_FleshProxyTargets[i]->GetRadius();
+		}
+		else
+		{
+			// Clear the target
+			vEffectCenterRadius[0] = vEffectCenterRadius[1] = vEffectCenterRadius[2] = vEffectCenterRadius[3] = 0.0f;
+		}
+
+		// Set the value either way
+		pParams[i]->SetVecValue( vEffectCenterRadius, 4 );
+	}
+
+	// Subsurface texture. NOTE: This texture bleeds through the color of the flesh texture so expect
+	//   to have to set this brighter than white to really see the subsurface texture glow through.
+	if ( m_pMaterialParamFleshSubsurfaceTint != NULL )
+	{
+		float vSubsurfaceTintColor[4] = { 0.0f, 0.0f, 0.0f, 0.0f };
+
+		// !!! Test code. REPLACE ME!
+		// vSubsurfaceTintColor[0] = vSubsurfaceTintColor[1] = vSubsurfaceTintColor[2] = sinf( gpGlobals->curtime * 3.0f ) + 1.0f;  // * 0.5f + 0.5f;
+
+		m_pMaterialParamFleshSubsurfaceTint->SetVecValue( vSubsurfaceTintColor, 4 );
+	}
+}
+
+IMaterial *CFleshInteriorMaterialProxy::GetMaterial()
+{
+	if ( m_pMaterialParamFleshEffectCenterRadius1 == NULL)
+		return NULL;
+
+	return m_pMaterialParamFleshEffectCenterRadius1->GetOwningMaterial();
+}
+
+EXPOSE_INTERFACE( CFleshInteriorMaterialProxy, IMaterialProxy, "FleshInterior" IMATERIAL_PROXY_INTERFACE_VERSION );