Method Key

src/engine_base.h:210–210

	EngineID engine{};

	static inline uint64_t Key(uint32_t grfid, uint16_t internal_id) { return static_cast<uint64_t>(grfid) << 32 | internal_id; }

	inline uint64_t Key() const { return Key(this->grfid, this->internal_id); }