diff options
| 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/lamphaloproxy.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/lamphaloproxy.cpp')
| -rw-r--r-- | mp/src/game/client/lamphaloproxy.cpp | 103 |
1 files changed, 103 insertions, 0 deletions
diff --git a/mp/src/game/client/lamphaloproxy.cpp b/mp/src/game/client/lamphaloproxy.cpp new file mode 100644 index 00000000..c5e31963 --- /dev/null +++ b/mp/src/game/client/lamphaloproxy.cpp @@ -0,0 +1,103 @@ +//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose:
+//
+// $NoKeywords: $
+//=============================================================================//
+#include "cbase.h"
+#include "proxyentity.h"
+#include "materialsystem/imaterialvar.h"
+#include "materialsystem/imaterial.h"
+#include "view.h"
+
+// memdbgon must be the last include file in a .cpp file!!!
+#include "tier0/memdbgon.h"
+
+//-----------------------------------------------------------------------------
+// Purpose: Used for halos on lamps, this material fades the sprite IN
+// as the viewer nears.
+//-----------------------------------------------------------------------------
+class CLampHaloProxy : public CEntityMaterialProxy
+{
+public:
+ CLampHaloProxy( void );
+ virtual ~CLampHaloProxy( void );
+ virtual bool Init( IMaterial *pMaterial, KeyValues *pKeyValues );
+ virtual void OnBind( C_BaseEntity *pC_BaseEntity );
+
+ virtual IMaterial * GetMaterial();
+
+private:
+ IMaterialVar *m_pFadeValue;
+};
+
+//-----------------------------------------------------------------------------
+// Purpose:
+//-----------------------------------------------------------------------------
+CLampHaloProxy::CLampHaloProxy( void )
+{
+ m_pFadeValue = NULL;
+}
+
+//-----------------------------------------------------------------------------
+// Purpose:
+//-----------------------------------------------------------------------------
+CLampHaloProxy::~CLampHaloProxy( void )
+{
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: Get pointer to the color value
+// Input : *pMaterial -
+//-----------------------------------------------------------------------------
+bool CLampHaloProxy::Init( IMaterial *pMaterial, KeyValues *pKeyValues )
+{
+ assert( pMaterial );
+
+ // Get pointers to material vars.
+
+ // Need to get the color variable.
+ bool found;
+ m_pFadeValue = pMaterial->FindVar( "$alpha", &found );
+ return found;
+}
+
+//-----------------------------------------------------------------------------
+// Purpose:
+// Input : *pC_BaseEntity -
+//-----------------------------------------------------------------------------
+#define FADE_DIST 150
+
+void CLampHaloProxy::OnBind( C_BaseEntity *pEnt )
+{
+ if ( !m_pFadeValue )
+ return;
+
+ Vector vecLocal = pEnt->GetAbsOrigin() - CurrentViewOrigin();
+ VectorNormalize( vecLocal );
+
+ float fade = fabs( vecLocal.z );
+
+ // I hate these magic numbers here, will have to revise
+ // (sjb)
+ if( fade < 0.25 )
+ {
+ fade = 0.0;
+ }
+ else
+ {
+ fade = MIN( (fade - 0.25) * 1.35, 1.0f );
+ }
+
+ m_pFadeValue->SetFloatValue( fade );
+}
+
+IMaterial *CLampHaloProxy::GetMaterial()
+{
+ if ( !m_pFadeValue )
+ return NULL;
+
+ return m_pFadeValue->GetOwningMaterial();
+}
+
+EXPOSE_INTERFACE( CLampHaloProxy, IMaterialProxy, "lamphalo" IMATERIAL_PROXY_INTERFACE_VERSION );
|