saveload.h

/** Handlers and description of chunk. */
struct ChunkHandler {
	uint32 id;                          ///< Unique ID (4 letters).
	ChunkSaveLoadProc *save_proc;       ///< Save procedure of the chunk.
	ChunkSaveLoadProc *load_proc;       ///< Load procedure of the chunk.
	ChunkSaveLoadProc *ptrs_proc;       ///< Manipulate pointers in the chunk.
	ChunkSaveLoadProc *load_check_proc; ///< Load procedure for game preview.
	ChunkType type;                     ///< Type of the chunk. @see ChunkType

	ChunkHandler(uint32 id, ChunkSaveLoadProc *save_proc, ChunkSaveLoadProc *load_proc, ChunkSaveLoadProc *ptrs_proc, ChunkSaveLoadProc *load_check_proc, ChunkType type)
		: id(id), save_proc(save_proc), load_proc(load_proc), ptrs_proc(ptrs_proc), load_check_proc(load_check_proc), type(type)
	{}

	virtual ~ChunkHandler() {}

	virtual void Save() { if (this->save_proc != nullptr) this->save_proc(); }
	virtual void Load() { if (this->load_proc != nullptr) this->load_proc(); }
	virtual void Pointers() { if (this->ptrs_proc != nullptr) this->ptrs_proc(); }
	virtual void LoadCheck() { if (this->load_check_proc != nullptr) this->load_check_proc(); }
};