/**************************************************************************************************
								   版本所有(C), 2020-2022, 北京普达迪泰
***************************************************************************************************
 文 件 名: CoreOSG.h
 功能描述: OSG封装类
 版 本 号: 1.00初版
 作    者: HYF
 生成日期; 2021－12－20
 最近修改:
 函数列表:
 修改历史:
	 1.日    期 :2021－12－20
	   作    者 : HYF
	   修改内容 : 创建文件

**************************************************************************************************/
#pragma once

#include <osgViewer/Viewer>
#include <osgViewer/ViewerEventHandlers>
#include <osgViewer/api/win32/GraphicsWindowWin32>
#include <osgGA/TrackballManipulator>
#include <osgGA/KeySwitchMatrixManipulator>
#include <osgGA/StateSetManipulator>
#include <osgDB/DatabasePager>
#include <osgDB/Registry>
#include <osgDB/ReadFile>
#include <osgUtil/Optimizer>
#include <osg/MatrixTransform>
#include <osg/BlendColor>
#include <osg/BlendFunc>
#include <osg/Geode>
#include <osg/Geometry>
#include <osg/LineWidth>
#include <osg/ComputeBoundsVisitor>
#include <osg/Node>
#include <osg/Group>
#include <osg/Matrix>
#include <osg/FrameStamp>
#include <osg/Camera>
#include <string>

class ModelRotateCallback : public osg::NodeCallback
{
public:
	ModelRotateCallback();

	virtual void operator()(osg::Node* node, osg::NodeVisitor* nv);

	void setRotateAnglexyz(const double fx, const double fy, const double fz);

private:

	double m_fAxisX;
	double m_fAxisY;
	double m_fAxisZ;

};

class CoreOSG
{
public:
	CoreOSG(HWND hWnd);
	~CoreOSG();

	BOOL InitOSG();

	void InitManipulators();

	// 加载模型文件
	BOOL LoadModel(std::vector<string> &vecModel, std::string axesPath);


	//BOOL ReLoadModel(std::string modelname);
	BOOL InitCameraConfig(void);
	BOOL ReInitCameraConfig(void);

	void setColor(osg::Node* pNode, osg::Vec4 vecColor);

	//void SetupWindow(void);
	//void SetupCamera(void);
	void PreFrameUpdate(void);
	void PostFrameUpdate(void);
	void Done(bool value) { m_bDone = value; }
	bool Done(void) { return m_bDone; }
	//static void Render(void* ptr);
	BOOL Release();
	BOOL ReleaseViewer();

	osgViewer::Viewer* getViewer() { return m_Viewer; };
	osg::Vec3d DegreesToRadians(const osg::Vec3& vecRotate);
	osg::Vec3d RadiansToDegrees(const osg::Vec3& vecRotate);

	void Quat2RadiansRotate(const osg::Quat& quat, osg::Vec3& vecRotate);
	void Quat2DegreesRotate(const osg::Quat& quat, osg::Vec3& vecRotate);
	osg::Matrix RadiansRotate2Matrix(const osg::Vec3d& vecRotate);
	osg::Matrix DegreesRotate2Matrix(const osg::Vec3d& vecRotate);

	osg::ref_ptr<osg::Node> CreateLine(osg::Vec3 firstpoit, osg::Vec3 endpoint);
	void Export(const std::string& strPaths, const std::string& strPathd);

public:
	
	bool AddLine();

	std::vector<osg::ref_ptr<osg::MatrixTransform>> m_vecEngine;

	void VibrateEngine(int iMearObj);

	osg::Camera* createHudCamera();
	void RotateCurModel(const double fx, const double fy, const double fz);
	osg::ref_ptr<ModelRotateCallback> m_pModelRotateCallback;

	//class HudCallback;

private:
	HWND m_hWnd;
	int m_giCurMearObj = 2;//当前测试对象 0表示左发动机   1表示右发动机
	bool m_bDone;
	std::string m_szModelName;
	//osgViewer::Viewer* m_Viewer;
	osg::ref_ptr<osgViewer::Viewer> m_Viewer;
	osg::ref_ptr<osg::Group> m_Root;
	osg::ref_ptr<osg::MatrixTransform> m_gEngineR = nullptr;
	osg::ref_ptr<osg::MatrixTransform> m_gEngineL = nullptr;
	

	osg::ref_ptr<osgGA::TrackballManipulator> m_Trackball;
	osg::ref_ptr<osgGA::KeySwitchMatrixManipulator> m_KeyswitchManipulator;

	// 
	
};


class RenderingThread : public OpenThreads::Thread
{
public:
	RenderingThread(CoreOSG* ptr);
	virtual ~RenderingThread();
	virtual void run();

	void Done(bool value) { _done = value; }
	bool Done(void) { return _done; }

protected:
	CoreOSG* _ptr;
	bool _done;
};

class HudCallback : public osg::NodeCallback
{
public:
	HudCallback(osgViewer::Viewer* viewer);
	~HudCallback();

	void operator()(osg::Node* node, osg::NodeVisitor* nv);

private:
	osg::ref_ptr<osgViewer::Viewer> m_xyzviewer;

};

class HUDAxis :public osg::Camera
{
public:
	HUDAxis();
	//HUDAxis(HUDAxis const& copy, CopyOp copyOp = CopyOp::SHALLOW_COPY);
	//META_Node(osg, HUDAxis);
	inline void setMainCamera(osg::Camera* camera) { _mainCamera = camera; }
	virtual void traverse(osg::NodeVisitor& nv);
protected:
	//virtual ~HUDAxis();
	osg::ref_ptr<osg::Camera> _mainCamera;
};

//node访问器，继承自osg::NodeVisitor类
class VertexVisitor : public osg::NodeVisitor
{
public:

	//构造函数，初始化一下并设置为遍历所有子节点
	VertexVisitor();
	// ~VertexVisitor();

	//设置推力线终点坐标
	void setThrustlineEndPoit(osg::Vec3 vThrustlineEndPoit);

	//设置要查找的推力线几何体名称
	void setFindThrustlineName(const std::string strThrustlineName);

	void setRotatexyz(const double fx, const double fy, const double fz);

	void apply(osg::MatrixTransform& geode);
	void apply(osg::Node& node);
	void apply(osg::Geode& genode);
	void apply(osg::Transform &genode);

private:
	//保存顶点数据
	//osg::ref_ptr<osg::Vec3Array> m_extractedverts;

	//推力线终点坐标
	osg::Vec3 m_vThrustlineEndPoit;

	std::string m_strThrustlineName;

	double m_fAxisX;
	double m_fAxisY;
	double m_fAxisZ;

};