#ifndef SSC_CAMERA_H
#define SSC_CAMERA_H

#include "coord.h"

class Camera
{
public:
	enum Mode
	{
		CAMERA_OVERHEAD,
		CAMERA_FIXED_DIST,
		CAMERA_FIXED_LOC,
		CAMERA_OVERHEAD_HIGH,
		CAMERA_FPS
	};

	Camera();

	void apply();
	void update(double dt);
	void cycle();

	void set(double px, double py, double pz,	// position
	         double vx, double vy, double vz,	// view
	         double ux, double uy, double uz);	// up


	// rotates the camera's view around the position using
	// axis-angle rotation
	void rotate(double angle, double x, double y, double z);


	// rotate the camera around a point (the player)
	void rotateAroundPoint(Coord3<double> &center,
			       double angle, double x, double y, double z);

	void move(double speed);

	Coord3<double> mPosition, mView, mUp, mTarget;

	void setTarget(Coord3<double>& target,
		       double rot,
		       double speed)
	{
		mTarget.set(target);
		mTargetRotation = rot;
		mTargetSpeed = speed;
	}

	void smoothCameraMove(Coord3<double> &pos,
			      Coord3<double> &view,
			      Coord3<double> &up,
			      double dt);

private:
	Coord3<double> constDist(double offset);

	double mFixedDistance;
	double mFixedDistVOffset;
	Mode mMode;
	double mTargetRotation;
	double mTargetSpeed;
};

#endif // SSC_CAMERA_H