73 lines
1.6 KiB
C++
73 lines
1.6 KiB
C++
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#include "StdAfx.h"
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#include "EtCamera.h"
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#include "EtConvexVolume.h"
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DECL_MULTISMART_PTR_STATIC( CEtCamera, MAX_SESSION_COUNT, 1 )
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STATIC_DECL_INIT( CEtCamera, EtCameraHandle, s_hActiveCamera );
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CEtCamera::CEtCamera( CMultiRoom *pRoom )
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: CMultiSmartPtrBase< CEtCamera, MAX_SESSION_COUNT>(pRoom)
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{
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m_fAspectRatio =0.0f;
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}
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CEtCamera::~CEtCamera(void)
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{
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}
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void CEtCamera::Initialize( SCameraInfo *pCamera )
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{
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ASSERT( pCamera && "Invalid Camera Info" );
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m_CameraInfo = *pCamera;
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Reset();
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}
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void CEtCamera::Reset()
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{
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if( m_CameraInfo.Type == CT_PERSPECTIVE )
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{
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EtMatrixPerspectiveFovLH( &m_ProjMat, m_CameraInfo.fFOV, m_fAspectRatio, m_CameraInfo.fNear, m_CameraInfo.fFar );
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}
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else if( m_CameraInfo.Type == CT_ORTHOGONAL )
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{
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EtMatrixOrthoLH( &m_ProjMat, m_CameraInfo.fViewWidth, m_CameraInfo.fViewHeight, m_CameraInfo.fNear, m_CameraInfo.fFar );
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}
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else
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{
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ASSERT( 0 && "Invalid Camera Type!!!" );
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}
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EtMatrixIdentity( &m_ViewMat );
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}
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void CEtCamera::LookAt( EtVector3 &Eye, EtVector3 &At, EtVector3 &Up )
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{
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EtMatrixLookAtLH( &m_ViewMat, &Eye, &At, &Up );
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}
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EtMatrix *CEtCamera::GetViewProjMat()
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{
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static EtMatrix ViewProjMat;
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return EtMatrixMultiply( &ViewProjMat, &m_ViewMat, &m_ProjMat );
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}
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void CEtCamera::CalcPositionAndDir( int nX, int nY, EtVector3 &Position, EtVector3 &Dir )
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{
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}
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EtCameraHandle CEtCamera::Activate()
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{
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STATIC_INSTANCE(s_hActiveCamera) = GetMySmartPtr();
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CalcInvViewMat();
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return STATIC_INSTANCE(s_hActiveCamera);
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}
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EtCameraHandle CEtCamera::SetActiveCamera( CMultiRoom *pRoom, int nItemIndex )
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{
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return GetItem( pRoom, nItemIndex )->Activate();
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}
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