mirror of
https://github.com/nillerusr/source-engine.git
synced 2024-12-23 06:36:54 +00:00
111 lines
2.5 KiB
C++
111 lines
2.5 KiB
C++
//========= 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 <KeyValues.h>
|
|
|
|
// memdbgon must be the last include file in a .cpp file!!!
|
|
#include "tier0/memdbgon.h"
|
|
|
|
// $sineVar : name of variable that controls the alpha level (float)
|
|
class CShieldProxy : public CEntityMaterialProxy
|
|
{
|
|
public:
|
|
CShieldProxy();
|
|
virtual ~CShieldProxy();
|
|
virtual bool Init( IMaterial *pMaterial, KeyValues *pKeyValues );
|
|
virtual void OnBind( C_BaseEntity *pC_BaseEntity );
|
|
virtual IMaterial *GetMaterial();
|
|
|
|
private:
|
|
IMaterialVar *m_AlphaVar;
|
|
IMaterialVar *m_pTextureScrollVar;
|
|
float m_ScrollRate;
|
|
float m_ScrollAngle;
|
|
};
|
|
|
|
CShieldProxy::CShieldProxy()
|
|
{
|
|
m_AlphaVar = NULL;
|
|
m_pTextureScrollVar = NULL;
|
|
m_ScrollRate = 0;
|
|
m_ScrollAngle = 0;
|
|
}
|
|
|
|
CShieldProxy::~CShieldProxy()
|
|
{
|
|
}
|
|
|
|
|
|
bool CShieldProxy::Init( IMaterial *pMaterial, KeyValues *pKeyValues )
|
|
{
|
|
bool foundVar;
|
|
|
|
m_AlphaVar = pMaterial->FindVar( "$translucency", &foundVar, false );
|
|
if( !foundVar )
|
|
return false;
|
|
|
|
char const* pScrollVarName = pKeyValues->GetString( "textureScrollVar" );
|
|
if (!pScrollVarName)
|
|
return false;
|
|
|
|
m_pTextureScrollVar = pMaterial->FindVar( pScrollVarName, &foundVar, false );
|
|
if( !foundVar )
|
|
return false;
|
|
|
|
m_ScrollRate = pKeyValues->GetFloat( "textureScrollRate", 1 );
|
|
m_ScrollAngle = pKeyValues->GetFloat( "textureScrollAngle", 0 );
|
|
return true;
|
|
}
|
|
|
|
void CShieldProxy::OnBind( C_BaseEntity *pEnt )
|
|
{
|
|
if (m_AlphaVar)
|
|
{
|
|
m_AlphaVar->SetFloatValue( pEnt->m_clrRender->a );
|
|
}
|
|
|
|
if( !m_pTextureScrollVar )
|
|
{
|
|
return;
|
|
}
|
|
|
|
float sOffset, tOffset;
|
|
|
|
sOffset = gpGlobals->curtime * sin( m_ScrollAngle * ( M_PI / 180.0f ) ) * m_ScrollRate;
|
|
tOffset = gpGlobals->curtime * cos( m_ScrollAngle * ( M_PI / 180.0f ) ) * m_ScrollRate;
|
|
|
|
// 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;
|
|
|
|
m_pTextureScrollVar->SetVecValue( sOffset, tOffset, 0.0f );
|
|
}
|
|
|
|
IMaterial *CShieldProxy::GetMaterial()
|
|
{
|
|
if ( !m_AlphaVar )
|
|
return NULL;
|
|
|
|
return m_AlphaVar->GetOwningMaterial();
|
|
}
|
|
|
|
EXPOSE_INTERFACE( CShieldProxy, IMaterialProxy, "Shield" IMATERIAL_PROXY_INTERFACE_VERSION );
|