// Your custom facet uses LibERC721
import {LibERC721} from "compose/LibERC721.sol";

contract GameNFTFacet {
    function mintWithGameLogic(
        address player,
        uint256 tokenId
    ) external {
        // Your custom game logic
        require(
            playerHasEnoughPoints(player),
            "Not enough points"
        );

        // Use LibERC721 - same storage!
        LibERC721.mint(player, tokenId);

        // Standard ERC721Facet functions
        // work seamlessly
        updatePlayerStats(player);
    }
}