From 39ed87570bdb2f86969d4be821c94b722dc71179 Mon Sep 17 00:00:00 2001
From: Joe Ludwig <joe@valvesoftware.com>
Date: Wed, 26 Jun 2013 15:22:04 -0700
Subject: First version of the SOurce SDK 2013

---
 mp/src/game/client/matrixproxy.cpp | 182 +++++++++++++++++++++++++++++++++++++
 1 file changed, 182 insertions(+)
 create mode 100644 mp/src/game/client/matrixproxy.cpp

(limited to 'mp/src/game/client/matrixproxy.cpp')

diff --git a/mp/src/game/client/matrixproxy.cpp b/mp/src/game/client/matrixproxy.cpp
new file mode 100644
index 00000000..3dff3069
--- /dev/null
+++ b/mp/src/game/client/matrixproxy.cpp
@@ -0,0 +1,182 @@
+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: 
+//
+// $NoKeywords: $
+//=============================================================================//
+#include "cbase.h"
+#include "mathlib/vmatrix.h"
+#include "functionproxy.h"
+#include "materialsystem/imaterialvar.h"
+#include <KeyValues.h>
+#include "materialsystem/imaterial.h"
+#include "toolframework_client.h"
+
+// memdbgon must be the last include file in a .cpp file!!!
+#include "tier0/memdbgon.h"
+
+// forward declarations
+void ToolFramework_RecordMaterialParams( IMaterial *pMaterial );
+
+class C_BaseEntity;
+
+//-----------------------------------------------------------------------------
+// Texture transform proxy
+//-----------------------------------------------------------------------------
+class CTextureTransformProxy : public CResultProxy
+{
+public:
+	bool Init( IMaterial *pMaterial, KeyValues *pKeyValues );
+	void OnBind( void *pC_BaseEntity );
+
+private:
+	IMaterialVar *m_pCenterVar;
+	IMaterialVar *m_pScaleVar;
+	IMaterialVar *m_pRotateVar;
+	IMaterialVar *m_pTranslateVar;
+};
+
+bool CTextureTransformProxy::Init( IMaterial *pMaterial, KeyValues *pKeyValues )
+{
+	// All are optional...
+	m_pCenterVar = NULL;
+	m_pScaleVar = NULL;
+	m_pRotateVar = NULL;
+	m_pTranslateVar = NULL;
+
+	bool bFoundVar;
+	char const* pVarName = pKeyValues->GetString( "centerVar" );
+	if( pVarName && pVarName[0] )
+	{
+		m_pCenterVar = pMaterial->FindVar( pVarName, &bFoundVar, false );
+	}
+
+	pVarName = pKeyValues->GetString( "scaleVar" );
+	if( pVarName && pVarName[0] )
+	{
+		m_pScaleVar = pMaterial->FindVar( pVarName, &bFoundVar, false );
+	}
+
+	pVarName = pKeyValues->GetString( "rotateVar" );
+	if( pVarName && pVarName[0] )
+	{
+		m_pRotateVar = pMaterial->FindVar( pVarName, &bFoundVar, false );
+	}
+
+	pVarName = pKeyValues->GetString( "translateVar" );
+	if( pVarName && pVarName[0] )
+	{
+		m_pTranslateVar = pMaterial->FindVar( pVarName, &bFoundVar, false );
+	}
+
+	return CResultProxy::Init( pMaterial, pKeyValues );
+}
+
+void CTextureTransformProxy::OnBind( void *pC_BaseEntity )
+{
+	Vector2D center( 0.5, 0.5 );
+	Vector2D translation( 0, 0 );
+
+	VMatrix mat, temp;
+
+	if (m_pCenterVar)
+	{
+		m_pCenterVar->GetVecValue( center.Base(), 2 );
+	}
+	MatrixBuildTranslation( mat, -center.x, -center.y, 0.0f );
+
+	if (m_pScaleVar)
+	{
+		Vector2D scale;
+		m_pScaleVar->GetVecValue( scale.Base(), 2 );
+		MatrixBuildScale( temp, scale.x, scale.y, 1.0f );
+		MatrixMultiply( temp, mat, mat );
+	}
+
+	if (m_pRotateVar)
+	{
+		float angle = m_pRotateVar->GetFloatValue( );
+		MatrixBuildRotateZ( temp, angle );
+		MatrixMultiply( temp, mat, mat );
+	}
+	MatrixBuildTranslation( temp, center.x, center.y, 0.0f );
+	MatrixMultiply( temp, mat, mat );
+
+	if (m_pTranslateVar)
+	{
+		m_pTranslateVar->GetVecValue( translation.Base(), 2 );
+		MatrixBuildTranslation( temp, translation.x, translation.y, 0.0f );
+		MatrixMultiply( temp, mat, mat );
+	}
+
+	m_pResult->SetMatrixValue( mat );
+
+	if ( ToolsEnabled() )
+	{
+		ToolFramework_RecordMaterialParams( GetMaterial() );
+	}
+}
+
+
+
+EXPOSE_INTERFACE( CTextureTransformProxy, IMaterialProxy, "TextureTransform" IMATERIAL_PROXY_INTERFACE_VERSION );
+
+
+//-----------------------------------------------------------------------------
+// Rotation proxy
+//-----------------------------------------------------------------------------
+class CMatrixRotateProxy : public CResultProxy
+{
+public:
+	bool Init( IMaterial *pMaterial, KeyValues *pKeyValues );
+	void OnBind( void *pC_BaseEntity );
+
+private:
+	CFloatInput	m_Angle;
+	IMaterialVar *m_pAxisVar;
+};
+
+bool CMatrixRotateProxy::Init( IMaterial *pMaterial, KeyValues *pKeyValues )
+{
+	// All are optional...
+	m_pAxisVar = NULL;
+
+	bool bFoundVar;
+	char const* pVarName = pKeyValues->GetString( "axisVar" );
+	if( pVarName && pVarName[0] )
+	{
+		m_pAxisVar = pMaterial->FindVar( pVarName, &bFoundVar, false );
+	}
+
+	if (!m_Angle.Init( pMaterial, pKeyValues, "angle", 0 ))
+		return false;
+
+	return CResultProxy::Init( pMaterial, pKeyValues );
+}
+
+void CMatrixRotateProxy::OnBind( void *pC_BaseEntity )
+{
+	VMatrix mat;
+	Vector axis( 0, 0, 1 );
+	if (m_pAxisVar)
+	{
+		m_pAxisVar->GetVecValue( axis.Base(), 3 );
+		if (VectorNormalize( axis ) < 1e-3)
+		{
+			axis.Init( 0, 0, 1 );
+		}
+	}
+
+	MatrixBuildRotationAboutAxis( mat, axis, m_Angle.GetFloat() );
+	m_pResult->SetMatrixValue( mat );
+
+	if ( ToolsEnabled() )
+	{
+		ToolFramework_RecordMaterialParams( GetMaterial() );
+	}
+}
+
+
+
+EXPOSE_INTERFACE( CMatrixRotateProxy, IMaterialProxy, "MatrixRotate" IMATERIAL_PROXY_INTERFACE_VERSION );
+
-- 
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