GroupSeek.h

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#pragma once

#include "Steering.h"

namespace ai {
namespace movement {

class GroupSeek: public ISteering {
protected:
    GroupId _groupId;
public:
    STEERING_FACTORY(GroupSeek)

    explicit GroupSeek(const std::string& parameters) :
            ISteering() {
        _groupId = ::atoi(parameters.c_str());
    }

    inline bool isValid () const {
        return _groupId != -1;
    }

    virtual MoveVector execute (const AIPtr& ai, float speed) const override {
        const Zone* zone = ai->getZone();
        if (zone == nullptr) {
            return MoveVector(VEC3_INFINITE, 0.0f);
        }
        const glm::vec3& target = zone->getGroupMgr().getPosition(_groupId);
        if (isInfinite(target)) {
            return MoveVector(target, 0.0f);
        }
        const glm::vec3& v = glm::normalize(target - ai->getCharacter()->getPosition());
        const float orientation = angle(v);
        const MoveVector d(v * speed, orientation);
        return d;
    }
};

}
}