const cMatrixf& cLight3DSpot::GetViewMatrix()
{
if(mlViewMatrixCount != GetTransformUpdateCount())
{
mlViewMatrixCount = GetTransformUpdateCount();
m_mtxView = cMath::MatrixInverse(GetWorldMatrix());
}
return m_mtxView;
}
const cMatrixf& cLight3DSpot::GetViewProjMatrix()
{
if(mlViewProjMatrixCount != GetTransformUpdateCount() || mbViewProjUpdated || mbProjectionUpdated)
{
m_mtxViewProj = cMath::MatrixMul(GetProjectionMatrix(),GetViewMatrix());
m_mtxViewProj = cMath::MatrixMul(g_mtxTextureUnitFix, m_mtxViewProj);
mlViewProjMatrixCount = GetTransformUpdateCount();
mbViewProjUpdated = false;
}
return m_mtxViewProj;
}
cFrustum* cLight3DSpot::GetFrustum()
{
if(mlFrustumMatrixCount != GetTransformUpdateCount() || mbFrustumUpdated || mbProjectionUpdated)
{
mpFrustum->SetViewProjMatrix( GetProjectionMatrix(),
GetViewMatrix(),
mfFarAttenuation,mfNearClipPlane,
mfFOV,mfAspect,GetWorldPosition(),false);
mbFrustumUpdated = false;
mlFrustumMatrixCount = GetTransformUpdateCount();
}
return mpFrustum;
}
int cColliderEntity::GetMatrixUpdateCount()
{
return GetTransformUpdateCount();
}
int cBillboard::GetMatrixUpdateCount()
{
return GetTransformUpdateCount();
}