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/* This file is part of the Spring engine (GPL v2 or later), see LICENSE.html */
#ifndef GROUP_H
#define GROUP_H
#include <vector>
#include "Sim/Units/CommandAI/Command.h"
#include "System/creg/creg_cond.h"
#include "System/float3.h"
#include "System/UnorderedSet.hpp"
class CUnit;
class CFeature;
class CGroupHandler;
/**
* Logic group of units denoted by a number.
* A group-ID/-number is unique per team (-> per groupHandler).
*/
class CGroup
{
CR_DECLARE_STRUCT(CGroup)
public:
CGroup(int id, CGroupHandler* groupHandler);
~CGroup();
void PostLoad();
void Update();
/**
* Note: Call unit.SetGroup(NULL) instead of calling this directly.
*/
void RemoveUnit(CUnit* unit);
/**
* Note: Call unit.SetGroup(group) instead of calling this directly.
*/
bool AddUnit(CUnit* unit);
void ClearUnits();
float3 CalculateCenter() const;
private:
void RemoveIfEmptySpecialGroup();
public:
int id;
spring::unordered_set<int> units;
private:
CGroupHandler* handler;
};
#endif // GROUP_H
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