Method findHits

plugins/siege-engine.cpp:1259–1281

    }

    bool findHits(EngineInfo *engine, std::vector<Hit> *hit_points, float bias)
    {
        df::coord origin = engine->center;

        Hit info;
        info.path = this;

        for (auto it = path.begin(); it != path.end(); ++it)
        {
            info.pos = it->second;
            info.dist = point_distance(origin - info.pos);
            info.time = float(info.dist)*(engine->proj_speed+1) + engine->hit_delay + bias;
            get_margin(it, info.time, &info.lmargin, &info.rmargin);

            if (info.lmargin > 0 && info.rmargin > 0)
            {
                if (engine->onTarget(info.pos) && engine->isInRange(info.dist))
                    hit_points->push_back(info);
            }
        }

        return !hit_points->empty();
    }
};

std::map<df::unit*, UnitPath*> UnitPath::cache;