EditorCameraController.hpp

#pragma once
#ifndef __H__OCULAR_EDITOR_ROUTINE_EDITOR_CAMERA_CONTROLLER__H__
#define __H__OCULAR_EDITOR_ROUTINE_EDITOR_CAMERA_CONTROLLER__H__

#include "Scene/ARoutine.hpp"

//------------------------------------------------------------------------------------------

namespace Ocular
{
    namespace Core
    {
        class MouseScrollInputEvent;
    }

    namespace Editor
    {
        class SceneObjectFocusedEvent;

        class EditorCameraController : public Core::ARoutine
        {
        public:

            EditorCameraController();
            virtual ~EditorCameraController();

            //------------------------------------------------------------
            // Inherited Methods
            //------------------------------------------------------------

            virtual void onUpdate(float const delta) override;
            virtual bool onEvent(std::shared_ptr<Core::AEvent> event) override;

            //------------------------------------------------------------
            // Controller Specific Methods
            //------------------------------------------------------------
            
            void setLookSensitivity(float sensitivity);
            float getLookSensitivity() const;

            void setPanSensitivity(float sensitivity);
            float getPanSensitivity() const;

            void setZoomSensitivity(float sensitivity);
            float getZoomSensitivity() const;

        protected:

            void updateFocusMove(float const delta);
            void updateCameraMode();

            void handleEventMouseScroll(Core::MouseScrollInputEvent* event);
            void handleEventObjectFocused(SceneObjectFocusedEvent* event);

            void handleMouseMovement();
            void handleMousePan();
            void handleMouseDrag();
            void handleMouseLook();
            void handleMouseOrbit();

        private:

            int8_t m_Mode;

            float m_PanSensitivity;
            float m_ZoomSensitivity;
            float m_LookSensitivity;
            float m_OrbitSensitivity;

            Math::Vector2i m_LastMousePos;
            Math::Vector3f m_DeltaVector;
            Math::Vector3f m_LookEuler;

            //------------------------------------------------------------
            // Focus Update Variables

            bool m_IsMovingFocus;              
            float m_FocusElapsed;              

            Math::Vector3f m_FocusStartPos;    
            Math::Vector3f m_FocusEndPos;      

            float m_OrbitDistance;             
        };
    }
}
//------------------------------------------------------------------------------------------

#endif