106 lines
2.6 KiB
C++
106 lines
2.6 KiB
C++
//========= Copyright Valve Corporation, All rights reserved. ============//
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//
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// Purpose:
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//
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// $NoKeywords: $
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//=============================================================================//
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#include "cbase.h"
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#include "proxyentity.h"
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#include "materialsystem/imaterial.h"
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#include "materialsystem/imaterialvar.h"
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void HueToRGB( float frac, Vector& color );
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// $ThermalVar : name of variable to run Thermal wave on (can either be a color or a float)
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// $ThermalPeriod: time that it takes to go through whole Thermal wave in seconds (default: 1.0f)
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// $ThermalMax : the max value for the Thermal wave (default: 1.0f )
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// $ThermalMin: the min value for the Thermal wave (default: 0.0f )
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class CThermalMaterialProxy : public CEntityMaterialProxy
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{
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public:
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CThermalMaterialProxy();
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virtual ~CThermalMaterialProxy();
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virtual bool Init( IMaterial *pMaterial, KeyValues* pKeyValues );
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virtual void OnBind( C_BaseEntity *pEntity );
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private:
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IMaterialVar *m_ThermalVar;
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IMaterialVar *m_ThermalPeriod;
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IMaterialVar *m_ThermalMax;
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IMaterialVar *m_ThermalMin;
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};
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CThermalMaterialProxy::CThermalMaterialProxy()
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{
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m_ThermalVar = NULL;
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m_ThermalPeriod = NULL;
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m_ThermalMax = NULL;
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m_ThermalMin = NULL;
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}
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CThermalMaterialProxy::~CThermalMaterialProxy()
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{
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}
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bool CThermalMaterialProxy::Init( IMaterial *pMaterial, KeyValues* pKeyValues )
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{
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bool foundVar;
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m_ThermalVar = pMaterial->FindVar( "$color", &foundVar, false );
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if( !foundVar )
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{
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m_ThermalVar = NULL;
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return false;
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}
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m_ThermalPeriod = pMaterial->FindVar( "$ThermalPeriod", &foundVar, false );
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if( !foundVar )
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{
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m_ThermalPeriod = NULL;
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}
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m_ThermalMax = pMaterial->FindVar( "$ThermalMax", &foundVar, false );
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if( !foundVar )
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{
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m_ThermalMax = NULL;
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}
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m_ThermalMin = pMaterial->FindVar( "$ThermalMin", &foundVar, false );
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if( !foundVar )
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{
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m_ThermalMin = NULL;
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}
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return true;
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}
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void CThermalMaterialProxy::OnBind( C_BaseEntity *pEntity )
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{
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// FIXME, enable this later
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return;
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if( !m_ThermalVar )
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{
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return;
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}
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float min, max, period, value;
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// set default values if these variables don't exist.
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min = m_ThermalMin ? m_ThermalMin->GetFloatValue() : 0.0f;
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max = m_ThermalMax ? m_ThermalMax->GetFloatValue() : 1.0f;
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period = m_ThermalPeriod ? m_ThermalPeriod->GetFloatValue() : 1.0f;
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// get a value in [0,1]
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value = ( sin( 2.0f * M_PI * gpGlobals->curtime / period ) * 0.5f ) + 0.5f;
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// get a value in [min,max]
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value = ( max - min ) * value + min;
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Vector color;
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HueToRGB( 360.f * value, color );
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m_ThermalVar->SetVecValue( color[0], color[1], color[2] );
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}
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EXPOSE_INTERFACE( CThermalMaterialProxy, IMaterialProxy, "Thermal" IMATERIAL_PROXY_INTERFACE_VERSION );
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