SelectGroupLeader.h

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#pragma once

#include "filter/IFilter.h"
#include "zone/Zone.h"

namespace ai {

class SelectGroupLeader: public IFilter {
protected:
    GroupId _groupId;
public:
    FILTER_FACTORY(SelectGroupLeader)

    explicit SelectGroupLeader(const std::string& parameters = "") :
        IFilter("SelectGroupLeader", parameters) {
        if (_parameters.empty()) {
            _groupId = -1;
        } else {
            _groupId = std::stoi(_parameters);
        }
    }

    void filter (const AIPtr& entity) override {
        FilteredEntities& entities = getFilteredEntities(entity);
        const Zone* zone = entity->getZone();
        const GroupMgr& groupMgr = zone->getGroupMgr();
        const AIPtr& groupLeader = groupMgr.getLeader(_groupId);
        if (groupLeader) {
            entities.push_back(groupLeader->getId());
        }
    }
};

}