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game/client/tf2/infiltratorcamomaterialproxy.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 "materialsystem/imaterialsystem.h"
+#include "c_basetfplayer.h"
+#include "c_tf_basecombatweapon.h"
+
+class CInfiltratorCamoMaterialProxy : public CEntityMaterialProxy
+{
+public:
+	CInfiltratorCamoMaterialProxy();
+	virtual ~CInfiltratorCamoMaterialProxy();
+	virtual bool Init( IMaterial *pMaterial, KeyValues* pKeyValues );
+	virtual void OnBind( C_BaseEntity *pC_BaseEntity );
+
+private:
+	IMaterialVar *m_CamoVar;
+};
+
+CInfiltratorCamoMaterialProxy::CInfiltratorCamoMaterialProxy()
+{
+	m_CamoVar = NULL;
+}
+
+CInfiltratorCamoMaterialProxy::~CInfiltratorCamoMaterialProxy()
+{
+}
+
+
+bool CInfiltratorCamoMaterialProxy::Init( IMaterial *pMaterial, KeyValues* pKeyValues  )
+{
+	bool foundVar;
+
+	m_CamoVar = pMaterial->FindVar( "$alpha", &foundVar, false );
+	if( !foundVar )
+	{
+		m_CamoVar = NULL;
+		return false;
+	}
+	return true;
+}
+
+void CInfiltratorCamoMaterialProxy::OnBind( C_BaseEntity *pEnt )
+{
+	if( !m_CamoVar )
+		return;
+
+	C_BaseTFPlayer *player = dynamic_cast< C_BaseTFPlayer * >( pEnt );
+	if ( player )
+	{
+		float amount = 1 - player->ComputeCamoEffectAmount();
+		m_CamoVar->SetFloatValue( amount );
+	}
+	else
+	{
+		// Weapon model?
+		C_BaseTFCombatWeapon *pWeapon = dynamic_cast< C_BaseTFCombatWeapon * >( pEnt );
+		if ( pWeapon )
+		{
+			float amount = 1 - ((C_BaseTFPlayer *)pWeapon->GetOwner())->ComputeCamoEffectAmount();
+			m_CamoVar->SetFloatValue( amount );
+		}
+		else
+		{
+			C_BaseViewModel *pViewmodel = dynamic_cast< C_BaseViewModel * >( pEnt );
+			if ( pViewmodel )
+			{
+				// Get the local player's values
+				player = C_BaseTFPlayer::GetLocalPlayer();
+				float amount = 1 - player->ComputeCamoEffectAmount();
+				m_CamoVar->SetFloatValue( amount );
+			}
+		}
+	}
+}
+
+EXPOSE_INTERFACE( CInfiltratorCamoMaterialProxy, IMaterialProxy, "InfiltratorCamo" IMATERIAL_PROXY_INTERFACE_VERSION );