CameraManager.h

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/*
 * Copyright (C) 2022 The V-Gears Team
 *
 * This file is part of V-Gears
 *
 * V-Gears is free software: you can redistribute it and/or modify it under
 * terms of the GNU General Public License as published by the Free Software
 * Foundation, version 3.0 (GPLv3) of the License.
 *
 * V-Gears is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU General Public License for more details.
 */
 
#pragma once
 
#include <OgreCamera.h>
#include <OgreSingleton.h>
#include "Event.h"
#include "Manager.h"
 
class CameraManager : public Manager, public Ogre::Singleton<CameraManager>{
 
    public:
 
        CameraManager();
 
        virtual ~CameraManager();
 
        void Input(const VGears::Event& event) override;
 
        void Input(const VGears::Event& event , Ogre::Real time_since_last_frame);
 
        void OnResize() override;
 
        void UpdateDebug() override;
 
        void ClearField() override;
 
        void ClearBattle() override;
 
        void ClearWorld() override;
 
        void SetCameraFree(const bool enable);
 
        void Set2DCamera(
          const Ogre::Vector3 position, const Ogre::Quaternion orientation,
          const Ogre::Radian fov
        );
 
        void StartBattleCamera(const Ogre::Vector3 position, const Ogre::Vector3 orientation);
 
        void EndBattleCamera();
 
        void Set2DScroll(const Ogre::Vector2& position);
 
        const Ogre::Vector2& Get2DScroll() const;
 
        const Ogre::Vector3 ProjectPointToScreen(const Ogre::Vector3& point);
 
        Ogre::Camera* GetCurrentCamera();
 
        Ogre::Viewport* getViewport();
 
        void EnableWireFrame(bool enable);
 
        void ScriptSetCamera(
          const int x, const int y, const int z, const int d_x, const int d_y, const int d_z
        );
 
    private:
 
        void InitCommands();
 
        void UpdateField() override;
 
        void UpdateBattle() override;
 
        void UpdateWorld() override;
 
        Ogre::Camera *camera_;
 
        Ogre::Viewport *viewport_;
 
        Ogre::Vector3 position_initial_;
 
        Ogre::Quaternion orientation_initial_;
 
        Ogre::Vector3 position_backup_;
 
        Ogre::Quaternion orientation_backup_;
 
        bool camera_free_;
 
        bool camera_free_rotate_;
 
        Ogre::Vector3 d2_position_;
 
        Ogre::Quaternion d2_orientation_;
 
        Ogre::Radian d2_fov_;
 
        Ogre::Vector2 d2_scroll_;
};