IsCloseToGroup.h

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#pragma once

#include "ICondition.h"
#include "common/String.h"
#include "group/GroupMgr.h"
#include "zone/Zone.h"

namespace ai {

class IsCloseToGroup: public ICondition {
private:
    GroupId _groupId;
    float _distance;
public:
    CONDITION_FACTORY(IsCloseToGroup)

    explicit IsCloseToGroup(const std::string& parameters) :
        ICondition("IsCloseToGroup", parameters) {
        std::vector<std::string> tokens;
        Str::splitString(_parameters, tokens, ",");
        if (tokens.size() != 2) {
            _groupId = -1;
            _distance = -1.0f;
        } else {
            _groupId = std::stoi(tokens[0]);
            _distance = std::stof(tokens[1]);
        }
    }

    virtual ~IsCloseToGroup() {
    }

    bool evaluate(const AIPtr& entity) override {
        if (_groupId == -1) {
            return false;
        }

        if (_distance < 0.0f) {
            return false;
        }

        const GroupMgr& mgr = entity->getZone()->getGroupMgr();
        const glm::vec3& pos = mgr.getPosition(_groupId);
        if (isInfinite(pos)) {
            return false;
        }
        return glm::distance(pos, entity->getCharacter()->getPosition()) <= _distance;
    }
};

}