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/* This file is part of the Spring engine (GPL v2 or later), see LICENSE.html */
#ifndef UNIT_TRACKER_H
#define UNIT_TRACKER_H
#include "System/float3.h"
#include "System/UnorderedSet.hpp"
class CUnit;
class CUnitTracker
{
public:
CUnitTracker();
~CUnitTracker();
void Track();
void Disable();
bool Enabled() const { return enabled; }
void SetCam();
int GetMode() const;
void IncMode();
/// @param trackMode see enum CUnitTracker::TrackMode
void SetMode(int trackMode);
enum TrackMode {
TrackSingle = 0,
TrackAverage,
TrackExtents,
TrackModeCount
};
protected:
void NextUnit();
void MakeTrackGroup();
void CleanTrackGroup();
CUnit* GetTrackUnit();
float3 CalcAveragePos() const;
float3 CalcExtentsPos() const;
protected:
bool enabled;
bool firstUpdate;
int trackMode;
int trackUnit;
spring::unordered_set<int> trackGroup;
int timeOut;
int lastFollowUnit;
float lastUpdateTime;
float3 trackPos;
float3 trackDir;
float3 smoothedRight;
float3 oldCamDir;
float3 oldCamPos;
static const char* modeNames[TrackModeCount];
};
extern CUnitTracker unitTracker;
#endif /* UNIT_TRACKER_H */
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