ACamera.cpp

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#include "pch.h"
#include "ACamera.h"
 
//-----------------------------------------------------------------------------
// Enables memory debugging.
// Note: Should be the last include!
//-----------------------------------------------------------------------------
#include <Core/TMemoryDebugOn.h>
 
TOSHI_NAMESPACE_USING
 
TDEFINE_CLASS( ACamera );
 
TFLOAT                ACamera::sm_fCurrentFOV           = Toshi::TMath::DegToRad( 60.0f );
const Toshi::TVector4 ACamera::sm_vWorldUp              = { 0.0f, -1.0f, 0.0f, 1.0f };
const Toshi::TVector4 ACamera::sm_vInitialLookDirection = { 0.0f, 0.0f, 1.0f, 1.0f };
 
ACamera::ACamera()
{
    m_Matrix             = TMatrix44::IDENTITY;
    m_fFOV               = sm_fCurrentFOV;
    m_fProjectionCentreX = 0.5f;
    m_fProjectionCentreY = 0.5f;
}
 
ACamera::~ACamera()
{
}
 
// $Barnyard: FUNCTION 00420490
TVector4 ACamera::GetOrientation() const
{
    TVector4 vOrientation = m_Matrix.AsBasisVector4( Toshi::BASISVECTOR_FORWARD );
    vOrientation.w        = 1.0f;
 
    return vOrientation;
}
 
void ACamera::LookAtPoint( const Toshi::TVector4& a_rPoint )
{
    TVector4 vDirection = a_rPoint - m_Matrix.GetTranslation3();
    vDirection.Normalise();
 
    LookAtDirection( vDirection );
}
 
void ACamera::LookAtDirection( const Toshi::TVector4& a_rDirection )
{
    TASSERT( a_rDirection.isNormalised() );
    m_Matrix.LookAtDirection( a_rDirection, sm_vWorldUp );
}
 
const Toshi::TMatrix44& ACamera::GetMatrix() const
{
    return m_Matrix;
}
 
Toshi::TMatrix44& ACamera::GetMatrix()
{
    return m_Matrix;
}