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/* This file is part of the Spring engine (GPL v2 or later), see LICENSE.html */
#ifndef _SMOOTH_CONTROLLER_H
#define _SMOOTH_CONTROLLER_H
#include "CameraController.h"
/**
* @brief Smooth Overview-Camera
*
* Behaves like the Overview(TA-style)-camera, but has an acceleration and breakrate to move smooth.
*/
class SmoothController : public CCameraController
{
public:
SmoothController();
const std::string GetName() const { return "sm"; }
void KeyMove(float3 move);
void MousePress(int x, int y, int button) { /* empty */ }
void MouseRelease(int x, int y, int button) { /* empty */ }
void MouseMove(float3 move);
void ScreenEdgeMove(float3 move);
void MouseWheelMove(float move);
void Update();
float3 GetPos() const;
void SetPos(const float3& newPos);
float3 SwitchFrom() const;
void SwitchTo(bool showText);
void GetState(StateMap& sm) const;
bool SetState(const StateMap& sm);
bool flipped;
private:
void UpdateVectors();
void Move(const float3& move, const float timeDiff);
private:
float middleClickScrollSpeed;
float zscale;
float height;
float oldAltHeight;
bool changeAltHeight;
float maxHeight;
float tiltSpeed;
enum MoveSource {Key, ScreenEdge, Noone};
/// The source of the last move command by the user
MoveSource lastSource;
/// the last move order > 0 given by the user
float3 lastMove;
/**
@brief the current speed factor
If this is maxSpeedFactor, the camera has its full speed. Otherwise the camera moves with (speedFactor/maxSpeedFactor)
*/
float speedFactor;
/// the time in ms needed to accelerate to full speed
static const float maxSpeedFactor;
};
#endif // _SMOOTH_CONTROLLER_H
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