virtual-method LevelChunk *load(Level *level, int chunk_x, int chunk_z) = 0x8; virtual-method void save(Level *level, LevelChunk *level_chunk) = 0xc; virtual-method void saveEntities(Level *level, LevelChunk *level_chunk) = 0x10; virtual-method void saveAll(Level *level, std::vector *level_chunks) = 0x14; virtual-method void tick() = 0x18; virtual-method void flush() = 0x1c;