CameraState.h

// Copyright eeGeo Ltd (2012-2014), All Rights Reserved

#pragma once

#include "Camera.h"
#include "VectorMath.h"

namespace Eegeo
{
    namespace Camera
    {
        CameraState MakeDefaultCameraState();

        class CameraState
        {
        public:
            CameraState(
                const dv3& locationEcef,
                const dv3& interestPointEcef,
                const m44& modelToWorldMatrix,
                const m44& viewMatrix,
                const m44& projectionMatrix,
                const m44& viewProjectionMatrix,
                const m44& inverseViewProjectionMatrix,
                const v2& viewportDimensions
            );

            CameraState(
                const dv3& locationEcef,
                const dv3& interestPointEcef,
                const m44& viewMatrix,
                const m44& projectionMatrix
            );

            const dv3& LocationEcef() const { return m_locationEcef; }
            
            const dv3& InterestPointEcef() const { return m_interestPointEcef; }

            const m44& ModelToWorldMatrix() const { return m_modelToWorldMatrix; }
            
            const m44& ViewMatrix() const { return m_viewMatrix; }
            
            const m44& ProjectionMatrix() const { return m_projectionMatrix; }

            const m44& ViewProjectionMatrix() const { return m_viewProjectionMatrix; }

            const m44& InverseViewProjectionMatrix() const { return m_inverseViewProjectionMatrix; }

            const v2& ViewportDimensions() const { return m_viewportDimensions; }
        private:
            dv3 m_locationEcef;
            dv3 m_interestPointEcef;
            m44 m_modelToWorldMatrix;
            m44 m_viewMatrix;
            m44 m_projectionMatrix;
            m44 m_viewProjectionMatrix;
            m44 m_inverseViewProjectionMatrix;
            v2 m_viewportDimensions;
        };
    }
}