#pragma once
#include "Node.h"
#include "Plane.h"
#include "Scene.h"

class Camera : public Node
{
public:
	friend class RenderPass;
	Camera(const float ratio);
	~Camera(void);

	void setAngle(float _angle);
	float getAngle(void);

	void setRatio(float _ratio);
	float getRatio(void);

	void setNearClipping(float _nearClipping);
	float getNearClipping(void);

	void setFarClipping(float _farClipping);
	float getFarClipping(void);
	
	void setLookAtTarget(Vector &p);
	void setLookAtTarget(float x, float y, float z);
	Vector getLookAtTarget();
	void setUpVector(Vector &uv);
	void setUpVector(float x, float y, float z);

	void setupProjectionMatrix(); //Setzt auch gleich in directX die ProjectionsMatrix!!!
	void setProjectionMatrix(D3DXMATRIX &_projMat);
	D3DXMATRIX* getViewMatrix();
	void setViewMatrix(D3DXMATRIX &_viewMat);
	D3DXMATRIX* getProjectionMatrix();
	virtual void calcWorldMatrix(D3DXMATRIX &pMatWorld);
	virtual void getAbsoluteVector(Vector &pOut, Vector &pIn);
	virtual void update(float dt);

	Plane getNearPlane();
	Plane getFarPlane();
	Plane getLeftPlane();
	Plane getRightPlane();
	Plane getTopPlane();
	Plane getBottomPlane();

	//Defines if the projectionmatrix has to be updated
	bool updateProjection;

	virtual Node* clone();

protected:
	float angle;
	float nearClipping;
	float farClipping;
	float ratio;

	Plane pNear;
	Plane pFar;
	Plane pLeft;
	Plane pRight;
	Plane pTop;
	Plane pBottom;

	void updateClippingPlanes();
	Plane transformPlane(Plane &plane);

	Vector lookAtTarget;
	D3DXVECTOR3 upVector;
	D3DXMATRIX myViewMatrix;
	D3DXMATRIXA16 matProj;
	
	Vector oldPos;
};