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| author | Joe Ludwig <[email protected]> | 2013-06-26 15:22:04 -0700 |
|---|---|---|
| committer | Joe Ludwig <[email protected]> | 2013-06-26 15:22:04 -0700 |
| commit | 39ed87570bdb2f86969d4be821c94b722dc71179 (patch) | |
| tree | abc53757f75f40c80278e87650ea92808274aa59 /mp/src/game/client/texturescrollmaterialproxy.cpp | |
| download | source-sdk-2013-39ed87570bdb2f86969d4be821c94b722dc71179.tar.xz source-sdk-2013-39ed87570bdb2f86969d4be821c94b722dc71179.zip | |
First version of the SOurce SDK 2013
Diffstat (limited to 'mp/src/game/client/texturescrollmaterialproxy.cpp')
| -rw-r--r-- | mp/src/game/client/texturescrollmaterialproxy.cpp | 127 |
1 files changed, 127 insertions, 0 deletions
diff --git a/mp/src/game/client/texturescrollmaterialproxy.cpp b/mp/src/game/client/texturescrollmaterialproxy.cpp new file mode 100644 index 00000000..9fdfef9d --- /dev/null +++ b/mp/src/game/client/texturescrollmaterialproxy.cpp @@ -0,0 +1,127 @@ +//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose:
+//
+// $NoKeywords: $
+//=============================================================================//
+#include "cbase.h"
+#include "materialsystem/imaterialproxy.h"
+#include "materialsystem/imaterial.h"
+#include "materialsystem/imaterialvar.h"
+#include <KeyValues.h>
+#include "mathlib/vmatrix.h"
+#include "functionproxy.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 );
+
+// $textureScrollVar
+// $textureScrollRate
+// $textureScrollAngle
+class CTextureScrollMaterialProxy : public IMaterialProxy
+{
+public:
+ CTextureScrollMaterialProxy();
+ virtual ~CTextureScrollMaterialProxy();
+ virtual bool Init( IMaterial *pMaterial, KeyValues *pKeyValues );
+ virtual void OnBind( void *pC_BaseEntity );
+ virtual void Release( void ) { delete this; }
+ virtual IMaterial *GetMaterial();
+
+private:
+ IMaterialVar *m_pTextureScrollVar;
+ CFloatInput m_TextureScrollRate;
+ CFloatInput m_TextureScrollAngle;
+ CFloatInput m_TextureScale;
+};
+
+CTextureScrollMaterialProxy::CTextureScrollMaterialProxy()
+{
+ m_pTextureScrollVar = NULL;
+}
+
+CTextureScrollMaterialProxy::~CTextureScrollMaterialProxy()
+{
+}
+
+
+bool CTextureScrollMaterialProxy::Init( IMaterial *pMaterial, KeyValues *pKeyValues )
+{
+ char const* pScrollVarName = pKeyValues->GetString( "textureScrollVar" );
+ if( !pScrollVarName )
+ return false;
+
+ bool foundVar;
+ m_pTextureScrollVar = pMaterial->FindVar( pScrollVarName, &foundVar, false );
+ if( !foundVar )
+ return false;
+
+ m_TextureScrollRate.Init( pMaterial, pKeyValues, "textureScrollRate", 1.0f );
+ m_TextureScrollAngle.Init( pMaterial, pKeyValues, "textureScrollAngle", 0.0f );
+ m_TextureScale.Init( pMaterial, pKeyValues, "textureScale", 1.0f );
+
+ return true;
+}
+
+void CTextureScrollMaterialProxy::OnBind( void *pC_BaseEntity )
+{
+ if( !m_pTextureScrollVar )
+ {
+ return;
+ }
+
+ float rate, angle, scale;
+
+ // set default values if these variables don't exist.
+ rate = m_TextureScrollRate.GetFloat();
+ angle = m_TextureScrollAngle.GetFloat();
+ scale = m_TextureScale.GetFloat();
+
+ float sOffset, tOffset;
+
+ sOffset = gpGlobals->curtime * cos( angle * ( M_PI / 180.0f ) ) * rate;
+ tOffset = gpGlobals->curtime * sin( angle * ( M_PI / 180.0f ) ) * rate;
+
+ // make sure that we are positive
+ if( sOffset < 0.0f )
+ {
+ sOffset += 1.0f + -( int )sOffset;
+ }
+ if( tOffset < 0.0f )
+ {
+ tOffset += 1.0f + -( int )tOffset;
+ }
+
+ // make sure that we are in a [0,1] range
+ sOffset = sOffset - ( int )sOffset;
+ tOffset = tOffset - ( int )tOffset;
+
+ if (m_pTextureScrollVar->GetType() == MATERIAL_VAR_TYPE_MATRIX)
+ {
+ VMatrix mat( scale, 0.0f, 0.0f, sOffset,
+ 0.0f, scale, 0.0f, tOffset,
+ 0.0f, 0.0f, 1.0f, 0.0f,
+ 0.0f, 0.0f, 0.0f, 1.0f );
+ m_pTextureScrollVar->SetMatrixValue( mat );
+ }
+ else
+ {
+ m_pTextureScrollVar->SetVecValue( sOffset, tOffset, 0.0f );
+ }
+
+ if ( ToolsEnabled() )
+ {
+ ToolFramework_RecordMaterialParams( GetMaterial() );
+ }
+}
+
+IMaterial *CTextureScrollMaterialProxy::GetMaterial()
+{
+ return m_pTextureScrollVar->GetOwningMaterial();
+}
+
+EXPOSE_INTERFACE( CTextureScrollMaterialProxy, IMaterialProxy, "TextureScroll" IMATERIAL_PROXY_INTERFACE_VERSION );
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