interface ILandCore {
event Approval(address indexed owner, address indexed approved, uint256 indexed tokenId);
event ApprovalForAll(address indexed owner, address indexed operator, bool approved);
event LandClaimed(address indexed owner, uint256 landId, uint256 indexed region);
event LandMoved(uint256 landId, uint256 oldRegion, uint256 newRegion);
event Transfer(address indexed from, address indexed to, uint256 indexed tokenId);
function approve(address to, uint256 tokenId);
function balanceOf(address owner) view returns (uint256);
function claimLand(address _to, uint256 _tokenId);
function getAccountLands(address _account) view returns (tuple(uint256 landId, string name, address owner, uint256 region, uint8 level, uint256 steward, uint64 score)[]);
function getAllLands() view returns (tuple(uint256 landId, string name, address owner, uint256 region, uint8 level, uint256 steward, uint64 score)[]);
function getApproved(uint256 tokenId) view returns (address);
function getLand(uint256 _landId) view returns (tuple(uint256 landId, string name, address owner, uint256 region, uint8 level, uint256 steward, uint64 score));
function getLandsByRegion(uint32 _region) view returns (tuple(uint256 landId, string name, address owner, uint256 region, uint8 level, uint256 steward, uint64 score)[]);
function isApprovedForAll(address owner, address operator) view returns (bool);
function landIdToMeta(uint256) view returns (uint256 landId, string name, address owner, uint256 region, uint8 level, uint256 steward, uint64 score);
function name() view returns (string);
function onERC721Received(address, address, uint256, bytes) pure returns (bytes4);
function ownerOf(uint256 tokenId) view returns (address);
function paused() view returns (bool);
function regionToLandCount(uint256) view returns (uint256);
function regionToLands(uint256, uint256) view returns (uint256);
function safeMint(address _owner, uint256 _landId, string _name, uint32 _region);
function safeTransferFrom(address from, address to, uint256 tokenId);
function safeTransferFrom(address from, address to, uint256 tokenId, bytes _data);
function setApprovalForAll(address operator, bool approved);
function symbol() view returns (string);
function tokenByIndex(uint256 index) view returns (uint256);
function tokenOfOwnerByIndex(address owner, uint256 index) view returns (uint256);
function tokenURI(uint256 tokenId) view returns (string);
function totalSupply() view returns (uint256);
function transferFrom(address from, address to, uint256 tokenId);
function updateLandRegion(uint256 _landId, uint256 _region, uint256 _oldLandIndex);
}
