void CConveyorMaterialProxy::OnBind( void *pC_BaseEntity )
{
if( !pC_BaseEntity )
return;
C_BaseEntity *pEntity = BindArgToEntity( pC_BaseEntity );
if ( !pEntity )
return;
C_FuncConveyor *pConveyor = dynamic_cast<C_FuncConveyor*>(pEntity);
if ( !pConveyor )
return;
if ( !m_pTextureScrollVar )
{
return;
}
float flConveyorSpeed = pConveyor->GetConveyorSpeed();
float flRate = abs( flConveyorSpeed ) / 128.0;
float flAngle = (flConveyorSpeed >= 0) ? 180 : 0;
float sOffset = gpGlobals->curtime * cos( flAngle * ( M_PI / 180.0f ) ) * flRate;
float tOffset = gpGlobals->curtime * sin( flAngle * ( M_PI / 180.0f ) ) * flRate;
// 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;
MatrixBuildTranslation( mat, sOffset, tOffset, 0.0f );
m_pTextureScrollVar->SetMatrixValue( mat );
}
else
{
m_pTextureScrollVar->SetVecValue( sOffset, tOffset, 0.0f );
}
}
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() );
}
}