First version of the SOurce SDK 2013

game/client/thermalmaterialproxy.cpp

@@ -0,0 +1,105 @@
+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: 
+//
+// $NoKeywords: $
+//=============================================================================//
+#include "cbase.h"
+#include "proxyentity.h"
+#include "materialsystem/imaterial.h"
+#include "materialsystem/imaterialvar.h"
+
+void HueToRGB( float frac, Vector& color );
+
+// $ThermalVar : name of variable to run Thermal wave on (can either be a color or a float)
+// $ThermalPeriod: time that it takes to go through whole Thermal wave in seconds (default: 1.0f)
+// $ThermalMax : the max value for the Thermal wave (default: 1.0f )
+// $ThermalMin: the min value for the Thermal wave  (default: 0.0f )
+class CThermalMaterialProxy : public CEntityMaterialProxy
+{
+public:
+	CThermalMaterialProxy();
+	virtual ~CThermalMaterialProxy();
+	virtual bool Init( IMaterial *pMaterial, KeyValues* pKeyValues );
+	virtual void OnBind( C_BaseEntity *pEntity );
+
+private:
+	IMaterialVar *m_ThermalVar;
+	IMaterialVar *m_ThermalPeriod;
+	IMaterialVar *m_ThermalMax;
+	IMaterialVar *m_ThermalMin;
+};
+
+CThermalMaterialProxy::CThermalMaterialProxy()
+{
+	m_ThermalVar = NULL;
+	m_ThermalPeriod = NULL;
+	m_ThermalMax = NULL;
+	m_ThermalMin = NULL;
+}
+
+CThermalMaterialProxy::~CThermalMaterialProxy()
+{
+}
+
+
+bool CThermalMaterialProxy::Init( IMaterial *pMaterial, KeyValues* pKeyValues  )
+{
+	bool foundVar;
+
+	m_ThermalVar = pMaterial->FindVar( "$color", &foundVar, false );
+	if( !foundVar )
+	{
+		m_ThermalVar = NULL;
+		return false;
+	}
+
+	m_ThermalPeriod = pMaterial->FindVar( "$ThermalPeriod", &foundVar, false );
+	if( !foundVar )
+	{
+		m_ThermalPeriod = NULL;
+	}
+
+	m_ThermalMax = pMaterial->FindVar( "$ThermalMax", &foundVar, false );
+	if( !foundVar )
+	{
+		m_ThermalMax = NULL;
+	}
+
+	m_ThermalMin = pMaterial->FindVar( "$ThermalMin", &foundVar, false );
+	if( !foundVar )
+	{
+		m_ThermalMin = NULL;
+	}
+	return true;
+}
+
+void CThermalMaterialProxy::OnBind( C_BaseEntity *pEntity )
+{
+// FIXME, enable this later
+return;
+
+	if( !m_ThermalVar )
+	{
+		return;
+	}
+
+	float min, max, period, value;
+
+	// set default values if these variables don't exist.
+	min		= m_ThermalMin		? m_ThermalMin->GetFloatValue()	: 0.0f;
+	max		= m_ThermalMax		? m_ThermalMax->GetFloatValue()	: 1.0f;
+	period	= m_ThermalPeriod	? m_ThermalPeriod->GetFloatValue() : 1.0f;
+	
+	// get a value in [0,1]
+	value = ( sin( 2.0f * M_PI * gpGlobals->curtime / period ) * 0.5f ) + 0.5f;
+	// get a value in [min,max]	
+	value = ( max - min ) * value + min;
+	
+	Vector color;
+	HueToRGB( 360.f * value, color );
+
+	m_ThermalVar->SetVecValue( color[0], color[1], color[2] );
+}
+
+EXPOSE_INTERFACE( CThermalMaterialProxy, IMaterialProxy, "Thermal" IMATERIAL_PROXY_INTERFACE_VERSION );