TSceneObject.cpp

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#include "ToshiPCH.h"
#include "TSceneObject.h"
#include "Render/TRenderInterface.h"
 
//-----------------------------------------------------------------------------
// Enables memory debugging.
// Note: Should be the last include!
//-----------------------------------------------------------------------------
#include "Core/TMemoryDebugOn.h"
 
TOSHI_NAMESPACE_START
 
TSceneObject::TSceneObject()
{
    m_SomeVector2.y = 1.0f;
}
 
TSceneObject::~TSceneObject()
{
    DestroyModelInstance();
}
 
void TSceneObject::Create( TManagedModel* a_pModelPtr )
{
    m_eFlags |= 0b00001000;
    m_pModelRef      = a_pModelPtr;
    m_pModelInstance = a_pModelPtr->GetModel()->CreateInstance();
    TTODO( "Initialise some unknown values" );
}
 
void TSceneObject::Delete()
{
    if ( this )
        delete this;
}
 
void TSceneObject::Update( TFLOAT a_fDeltaTime )
{
    m_pModelInstance->Update( a_fDeltaTime );
}
 
TBOOL TSceneObject::Render( TUINT a_uiClipFlags, const TVector3& a_rBounding )
{
    TIMPLEMENT();
    auto pContext = TRenderInterface::GetSingleton()->GetCurrentContext();
 
    m_pModelInstance->SetLOD( 0 );
 
    auto uiOldClipFlags = pContext->SetClipFlags( a_uiClipFlags );
 
    m_TransformObject.Push();
    m_pModelInstance->Render();
    m_TransformObject.Pop();
 
    pContext->SetClipFlags( uiOldClipFlags );
 
    return TTRUE;
}
 
TBOOL TSceneObject::RenderIfVisible()
{
    auto  pContext = TRenderInterface::GetSingleton()->GetCurrentContext();
    auto  pModel   = m_pModelInstance->GetModel();
    auto& lod      = pModel->GetLOD( 0 );
 
    TVector4 transformScale = m_TransformObject.GetScale();
    TSphere  bounding       = lod.BoundingSphere;
    bounding.AsVector4().Multiply( TVector4(
        transformScale.x,
        transformScale.y,
        transformScale.z,
        TMath::Max( TMath::Max( transformScale.x, transformScale.y ), transformScale.z )
    ) );
 
    TMatrix44 transformMatrix;
    m_TransformObject.GetLocalMatrixImp( transformMatrix );
 
    TMatrix44::TransformVector( bounding.GetOrigin(), transformMatrix, bounding.GetOrigin() );
 
    if ( bounding.GetRadius() > 0.0f )
    {
        auto pWorldPlanes = pContext->GetWorldPlanes();
 
        if ( !pContext->CullSphereToFrustumSimple( bounding, pWorldPlanes, 6 ) )
        {
            return TFALSE;
        }
    }
 
    return Render( pContext->GetClipFlags(), bounding.GetOrigin() );
}
 
void TSceneObject::DestroyModelInstance()
{
    if ( m_pModelInstance )
    {
        m_pModelInstance->Delete();
        m_pModelInstance = TNULL;
        m_eFlags &= ~0b00001000;
    }
}
 
TOSHI_NAMESPACE_END