#include "asw/gui/viewport.h"

ASW::Gui::Viewport::
Viewport(const TCHAR * p_ptrName)
    : ASW::Gui::ElementVisible(TEXT("viewport"), p_ptrName),
      m_ptrRenderIndex(NULL),
      m_fltFov(45.0f),
      m_fltNear(0.1f),
      m_fltFar(10000.0f) {}

ASW::Gui::Viewport::
Viewport(const ASW::Gui::Viewport & p_refViewport)
    : ASW::Gui::ElementVisible(static_cast<const ASW::Gui::ElementVisible &>(p_refViewport)),
      m_ptrRenderIndex(NULL),
      m_fltFov(p_refViewport.m_fltFov),
      m_fltNear(p_refViewport.m_fltNear),
      m_fltFar(p_refViewport.m_fltFar) {}

ASW::Gui::Viewport::
Viewport(const ASW::Gui::Viewport & p_refViewport,
         const TCHAR * p_ptrType,
         const TCHAR * p_ptrName)
    : ASW::Gui::ElementVisible(static_cast<const ASW::Gui::ElementVisible &>(p_refViewport), p_ptrType, p_ptrName),
      m_ptrRenderIndex(NULL),
      m_fltFov(p_refViewport.m_fltFov),
      m_fltNear(p_refViewport.m_fltNear),
      m_fltFar(p_refViewport.m_fltFar) {}

ASW::Gui::Element::AutoPtr
ASW::Gui::Viewport::
Clone() const
{
    return ASW::Gui::Element::AutoPtr(new ASW::Gui::Viewport(*this));
}

ASW::Gui::Element::AutoPtr
ASW::Gui::Viewport::
Clone(const TCHAR * p_ptrType,
      const TCHAR * p_ptrName) const
{
    return ASW::Gui::Element::AutoPtr(new ASW::Gui::Viewport(*this,
                                                             p_ptrType,
                                                             p_ptrName));
}

ASW::Script::Variant
ASW::Gui::Viewport::
GetProperty(const TCHAR * p_ptrName) const
{
    if ( ASW::Equal(p_ptrName, TEXT("fov")) )
        return m_fltFov;
    else if ( ASW::Equal(p_ptrName, TEXT("near")) )
        return m_fltNear;
    else if ( ASW::Equal(p_ptrName, TEXT("far")) )
        return m_fltFar;
    else
        return this->ASW::Gui::ElementVisible::GetProperty(p_ptrName);
}

void
ASW::Gui::Viewport::
SetMatrix(const MATH::Matrix3f & p_refMatrix)
{
    m_clsMatrix = p_refMatrix;
    m_blnShouldRefresh = false;
}

void
ASW::Gui::Viewport::
SetProperty(const TCHAR * p_ptrName,
            const ASW::Script::Variant & p_refValue)
{
    if ( ASW::Equal(p_ptrName, TEXT("fov")) )
        m_fltFov = (float)(p_refValue);
    else if ( ASW::Equal(p_ptrName, TEXT("near")) )
        m_fltNear = (float)(p_refValue);
    else if ( ASW::Equal(p_ptrName, TEXT("far")) )
        m_fltFar = (float)(p_refValue);
    else
        this->ASW::Gui::ElementVisible::SetProperty(p_ptrName, p_refValue);
}

void
ASW::Gui::Viewport::
Update(ASW::Gui::UpdateParams & p_refParams,
       const MATH::Point2s & p_refPosition,
       const MATH::Point2us & p_refSize,
       const unsigned int p_uintUpdateMask)
{
    bool blnUpdateSelf = ( (GetUpdateMask() & ASW::Gui::Element::UPDATE_SELF) != 0 ||
                           (p_uintUpdateMask & ASW::Gui::Element::UPDATE_CHILDREN) != 0 );
    //
    // Call the base method
    //
    this->ASW::Gui::ElementVisible::Update(p_refParams,
                                           p_refPosition,
                                           p_refSize,
                                           p_uintUpdateMask);

    bool blnDeterminingChildren = ( (p_uintUpdateMask & ASW::Gui::Element::UPDATE_DETERMINING_CHILDREN) != 0 );
    if ( blnUpdateSelf && blnDeterminingChildren == false )
    {
        if ( IsVisible() )
        {
            if ( m_ptrRenderIndex == NULL )
            {
                //
                // We have become visible this frame - add outselves to the list
                //
                m_ptrRenderIndex = p_refParams.m_clsViewports.Get(this);
            }
        }
        else if ( m_ptrRenderIndex != NULL )
        {
            //
            // We have become invisible this frame - remove ourselves from the
            // list
            //
            p_refParams.m_clsViewports.Release(m_ptrRenderIndex);
            m_ptrRenderIndex = NULL;
        }
    }
}