// File: contracts/portal/CelestialCastle.sol



// SPDX-License-Identifier: MIT
pragma solidity 0.8.11;

import "@openzeppelin/contracts/access/Ownable.sol";
import "@openzeppelin/contracts/token/ERC721/IERC721Receiver.sol";
import "@openzeppelin/contracts/token/ERC20/IERC20.sol";
import "@openzeppelin/contracts/token/ERC721/IERC721.sol";
import "@openzeppelin/contracts/token/ERC1155/IERC1155.sol";
import "../game/interfaces/Interfaces.sol";

/**
 * @title Celestial Castle
 * @notice Edited from EtherOrcsOfficial/etherOrcs-contracts.
 */
contract CelestialCastle is Ownable, IERC721Receiver {
  bool public isTravelEnabled;
  /// @notice Celestial portal contract.
  PortalLike public portal;
  /// @notice Freaks N Guilds token contract.
  IFnG public freaksNGuilds;
  /// @notice Freaks bucks token contract.
  IFBX public freaksBucks;

  /// @notice Contract address to it's reflection.
  mapping(address => address) public reflection;
  /// @notice Original token id owner.
  mapping(uint256 => address) public ownerOf;

  /// @notice Require that the sender is the portal for bridging operations.
  modifier onlyPortal() {
    require(msg.sender == address(portal), "CelestialCastle: sender is not the portal");
    _;
  }

  /// @notice Initialize the contract.
  function initialize(
    address newPortal,
    address newFreaksNGuilds,
    address newFreaksBucks,
    bool newIsTravelEnabled
  ) external onlyOwner {
    portal = PortalLike(newPortal);
    freaksNGuilds = IFnG(newFreaksNGuilds);
    freaksBucks = IFBX(newFreaksBucks);
    isTravelEnabled = newIsTravelEnabled;
  }

  /// @notice Travel tokens to L2.
  function travel(
    uint256[] calldata freakIds,
    uint256[] calldata celestialIds,
    uint256 fbxAmount
  ) external {
    require(isTravelEnabled, "CelestialCastle: travel is disabled");
    bytes[] memory calls = new bytes[](
      (freakIds.length > 0 ? 1 : 0) + (celestialIds.length > 0 ? 1 : 0) + (fbxAmount > 0 ? 1 : 0)
    );
    uint256 callsIndex = 0;

    if (freakIds.length > 0) {
      Freak[] memory freaks = new Freak[](freakIds.length);
      for (uint256 i = 0; i < freakIds.length; i++) {
        require(ownerOf[freakIds[i]] == address(0), "CelestialCastle: token already staked");
        require(freaksNGuilds.isFreak(freakIds[i]), "CelestialCastle: not a freak");
        ownerOf[freakIds[i]] = msg.sender;
        freaks[i] = freaksNGuilds.getFreakAttributes(freakIds[i]);
        freaksNGuilds.transferFrom(msg.sender, address(this), freakIds[i]);
      }
      calls[callsIndex] = abi.encodeWithSelector(
        CelestialCastle.retrieveFreakIds.selector,
        reflection[address(freaksNGuilds)],
        msg.sender,
        freakIds,
        freaks
      );
      callsIndex++;
    }

    if (celestialIds.length > 0) {
      Celestial[] memory celestials = new Celestial[](celestialIds.length);
      for (uint256 i = 0; i < celestialIds.length; i++) {
        require(ownerOf[celestialIds[i]] == address(0), "CelestialCastle: token already staked");
        require(!freaksNGuilds.isFreak(celestialIds[i]), "CelestialCastle: not a celestial");
        ownerOf[celestialIds[i]] = msg.sender;
        celestials[i] = freaksNGuilds.getCelestialAttributes(celestialIds[i]);
        freaksNGuilds.transferFrom(msg.sender, address(this), celestialIds[i]);
      }
      calls[callsIndex] = abi.encodeWithSelector(
        CelestialCastle.retrieveCelestialIds.selector,
        reflection[address(freaksNGuilds)],
        msg.sender,
        celestialIds,
        celestials
      );
      callsIndex++;
    }

    if (fbxAmount > 0) {
      freaksBucks.burn(msg.sender, fbxAmount);
      calls[callsIndex] = abi.encodeWithSelector(
        CelestialCastle.retrieveBucks.selector,
        reflection[address(freaksBucks)],
        msg.sender,
        fbxAmount
      );
    }

    portal.sendMessage(abi.encode(reflection[address(this)], calls));
  }

  /// @notice Retrieve freaks from castle when bridging.
  function retrieveFreakIds(
    address fng,
    address owner,
    uint256[] calldata freakIds,
    Freak[] calldata freakAttributes
  ) external onlyPortal {
    for (uint256 i = 0; i < freakIds.length; i++) {
      delete ownerOf[freakIds[i]];
      IFnG(fng).transferFrom(address(this), owner, freakIds[i]);
      IFnG(fng).setFreakAttributes(freakIds[i], freakAttributes[i]);
    }
  }

  /// @notice Retrieve celestials from castle when bridging.
  function retrieveCelestialIds(
    address fng,
    address owner,
    uint256[] calldata celestialIds,
    Celestial[] calldata celestialAttributes
  ) external onlyPortal {
    for (uint256 i = 0; i < celestialIds.length; i++) {
      delete ownerOf[celestialIds[i]];
      IFnG(fng).transferFrom(address(this), owner, celestialIds[i]);
      IFnG(fng).setCelestialAttributes(celestialIds[i], celestialAttributes[i]);
    }
  }

  // function callFnG(bytes calldata data) external onlyPortal {
  //   (bool succ, ) = freaksNGuilds.call(data)
  // }

  /// @notice Retrive freaks bucks to `owner` when bridging.
  function retrieveBucks(
    address fbx,
    address owner,
    uint256 value
  ) external onlyPortal {
    IFBX(fbx).mint(owner, value);
  }

  /// @notice Set contract reflection address on L2.
  function setReflection(address key, address value) external onlyOwner {
    reflection[key] = value;
    reflection[value] = key;
  }

  function onERC721Received(
    address operator,
    address from,
    uint256 tokenId,
    bytes calldata data
  ) external pure override returns (bytes4) {
    return this.onERC721Received.selector;
  }

  function setIsTravelEnabled(bool newIsTravelEnabled) external onlyOwner {
    isTravelEnabled = newIsTravelEnabled;
  }

      /// @notice Withdraw `amount` of ether to msg.sender.
  function withdraw(uint256 amount) external onlyOwner {
    payable(msg.sender).transfer(amount);
  }

  /// @notice Withdraw `amount` of `token` to the sender.
  function withdrawERC20(IERC20 token, uint256 amount) external onlyOwner {
    token.transfer(msg.sender, amount);
  }

  /// @notice Withdraw `tokenId` of `token` to the sender.
  function withdrawERC721(IERC721 token, uint256 tokenId) external onlyOwner {
    token.safeTransferFrom(address(this), msg.sender, tokenId);
  }

  /// @notice Withdraw `tokenId` with amount of `value` from `token` to the sender.
  function withdrawERC1155(
    IERC1155 token,
    uint256 tokenId,
    uint256 value
  ) external onlyOwner {
    token.safeTransferFrom(address(this), msg.sender, tokenId, value, "");
  }
}




// File: @openzeppelin/contracts/access/Ownable.sol



// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (access/Ownable.sol)

pragma solidity ^0.8.0;

import "../utils/Context.sol";

/**
 * @dev Contract module which provides a basic access control mechanism, where
 * there is an account (an owner) that can be granted exclusive access to
 * specific functions.
 *
 * By default, the owner account will be the one that deploys the contract. This
 * can later be changed with {transferOwnership}.
 *
 * This module is used through inheritance. It will make available the modifier
 * `onlyOwner`, which can be applied to your functions to restrict their use to
 * the owner.
 */
abstract contract Ownable is Context {
    address private _owner;

    event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);

    /**
     * @dev Initializes the contract setting the deployer as the initial owner.
     */
    constructor() {
        _transferOwnership(_msgSender());
    }

    /**
     * @dev Returns the address of the current owner.
     */
    function owner() public view virtual returns (address) {
        return _owner;
    }

    /**
     * @dev Throws if called by any account other than the owner.
     */
    modifier onlyOwner() {
        require(owner() == _msgSender(), "Ownable: caller is not the owner");
        _;
    }

    /**
     * @dev Leaves the contract without owner. It will not be possible to call
     * `onlyOwner` functions anymore. Can only be called by the current owner.
     *
     * NOTE: Renouncing ownership will leave the contract without an owner,
     * thereby removing any functionality that is only available to the owner.
     */
    function renounceOwnership() public virtual onlyOwner {
        _transferOwnership(address(0));
    }

    /**
     * @dev Transfers ownership of the contract to a new account (`newOwner`).
     * Can only be called by the current owner.
     */
    function transferOwnership(address newOwner) public virtual onlyOwner {
        require(newOwner != address(0), "Ownable: new owner is the zero address");
        _transferOwnership(newOwner);
    }

    /**
     * @dev Transfers ownership of the contract to a new account (`newOwner`).
     * Internal function without access restriction.
     */
    function _transferOwnership(address newOwner) internal virtual {
        address oldOwner = _owner;
        _owner = newOwner;
        emit OwnershipTransferred(oldOwner, newOwner);
    }
}

// File: @openzeppelin/contracts/token/ERC721/IERC721Receiver.sol



// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (token/ERC721/IERC721Receiver.sol)

pragma solidity ^0.8.0;

/**
 * @title ERC721 token receiver interface
 * @dev Interface for any contract that wants to support safeTransfers
 * from ERC721 asset contracts.
 */
interface IERC721Receiver {
    /**
     * @dev Whenever an {IERC721} `tokenId` token is transferred to this contract via {IERC721-safeTransferFrom}
     * by `operator` from `from`, this function is called.
     *
     * It must return its Solidity selector to confirm the token transfer.
     * If any other value is returned or the interface is not implemented by the recipient, the transfer will be reverted.
     *
     * The selector can be obtained in Solidity with `IERC721.onERC721Received.selector`.
     */
    function onERC721Received(
        address operator,
        address from,
        uint256 tokenId,
        bytes calldata data
    ) external returns (bytes4);
}

// File: @openzeppelin/contracts/token/ERC20/IERC20.sol



// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.5.0) (token/ERC20/IERC20.sol)

pragma solidity ^0.8.0;

/**
 * @dev Interface of the ERC20 standard as defined in the EIP.
 */
interface IERC20 {
    /**
     * @dev Returns the amount of tokens in existence.
     */
    function totalSupply() external view returns (uint256);

    /**
     * @dev Returns the amount of tokens owned by `account`.
     */
    function balanceOf(address account) external view returns (uint256);

    /**
     * @dev Moves `amount` tokens from the caller's account to `to`.
     *
     * Returns a boolean value indicating whether the operation succeeded.
     *
     * Emits a {Transfer} event.
     */
    function transfer(address to, uint256 amount) external returns (bool);

    /**
     * @dev Returns the remaining number of tokens that `spender` will be
     * allowed to spend on behalf of `owner` through {transferFrom}. This is
     * zero by default.
     *
     * This value changes when {approve} or {transferFrom} are called.
     */
    function allowance(address owner, address spender) external view returns (uint256);

    /**
     * @dev Sets `amount` as the allowance of `spender` over the caller's tokens.
     *
     * Returns a boolean value indicating whether the operation succeeded.
     *
     * IMPORTANT: Beware that changing an allowance with this method brings the risk
     * that someone may use both the old and the new allowance by unfortunate
     * transaction ordering. One possible solution to mitigate this race
     * condition is to first reduce the spender's allowance to 0 and set the
     * desired value afterwards:
     * https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729
     *
     * Emits an {Approval} event.
     */
    function approve(address spender, uint256 amount) external returns (bool);

    /**
     * @dev Moves `amount` tokens from `from` to `to` using the
     * allowance mechanism. `amount` is then deducted from the caller's
     * allowance.
     *
     * Returns a boolean value indicating whether the operation succeeded.
     *
     * Emits a {Transfer} event.
     */
    function transferFrom(
        address from,
        address to,
        uint256 amount
    ) external returns (bool);

    /**
     * @dev Emitted when `value` tokens are moved from one account (`from`) to
     * another (`to`).
     *
     * Note that `value` may be zero.
     */
    event Transfer(address indexed from, address indexed to, uint256 value);

    /**
     * @dev Emitted when the allowance of a `spender` for an `owner` is set by
     * a call to {approve}. `value` is the new allowance.
     */
    event Approval(address indexed owner, address indexed spender, uint256 value);
}

// File: @openzeppelin/contracts/token/ERC721/IERC721.sol



// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (token/ERC721/IERC721.sol)

pragma solidity ^0.8.0;

import "../../utils/introspection/IERC165.sol";

/**
 * @dev Required interface of an ERC721 compliant contract.
 */
interface IERC721 is IERC165 {
    /**
     * @dev Emitted when `tokenId` token is transferred from `from` to `to`.
     */
    event Transfer(address indexed from, address indexed to, uint256 indexed tokenId);

    /**
     * @dev Emitted when `owner` enables `approved` to manage the `tokenId` token.
     */
    event Approval(address indexed owner, address indexed approved, uint256 indexed tokenId);

    /**
     * @dev Emitted when `owner` enables or disables (`approved`) `operator` to manage all of its assets.
     */
    event ApprovalForAll(address indexed owner, address indexed operator, bool approved);

    /**
     * @dev Returns the number of tokens in ``owner``'s account.
     */
    function balanceOf(address owner) external view returns (uint256 balance);

    /**
     * @dev Returns the owner of the `tokenId` token.
     *
     * Requirements:
     *
     * - `tokenId` must exist.
     */
    function ownerOf(uint256 tokenId) external view returns (address owner);

    /**
     * @dev Safely transfers `tokenId` token from `from` to `to`, checking first that contract recipients
     * are aware of the ERC721 protocol to prevent tokens from being forever locked.
     *
     * Requirements:
     *
     * - `from` cannot be the zero address.
     * - `to` cannot be the zero address.
     * - `tokenId` token must exist and be owned by `from`.
     * - If the caller is not `from`, it must be have been allowed to move this token by either {approve} or {setApprovalForAll}.
     * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer.
     *
     * Emits a {Transfer} event.
     */
    function safeTransferFrom(
        address from,
        address to,
        uint256 tokenId
    ) external;

    /**
     * @dev Transfers `tokenId` token from `from` to `to`.
     *
     * WARNING: Usage of this method is discouraged, use {safeTransferFrom} whenever possible.
     *
     * Requirements:
     *
     * - `from` cannot be the zero address.
     * - `to` cannot be the zero address.
     * - `tokenId` token must be owned by `from`.
     * - If the caller is not `from`, it must be approved to move this token by either {approve} or {setApprovalForAll}.
     *
     * Emits a {Transfer} event.
     */
    function transferFrom(
        address from,
        address to,
        uint256 tokenId
    ) external;

    /**
     * @dev Gives permission to `to` to transfer `tokenId` token to another account.
     * The approval is cleared when the token is transferred.
     *
     * Only a single account can be approved at a time, so approving the zero address clears previous approvals.
     *
     * Requirements:
     *
     * - The caller must own the token or be an approved operator.
     * - `tokenId` must exist.
     *
     * Emits an {Approval} event.
     */
    function approve(address to, uint256 tokenId) external;

    /**
     * @dev Returns the account approved for `tokenId` token.
     *
     * Requirements:
     *
     * - `tokenId` must exist.
     */
    function getApproved(uint256 tokenId) external view returns (address operator);

    /**
     * @dev Approve or remove `operator` as an operator for the caller.
     * Operators can call {transferFrom} or {safeTransferFrom} for any token owned by the caller.
     *
     * Requirements:
     *
     * - The `operator` cannot be the caller.
     *
     * Emits an {ApprovalForAll} event.
     */
    function setApprovalForAll(address operator, bool _approved) external;

    /**
     * @dev Returns if the `operator` is allowed to manage all of the assets of `owner`.
     *
     * See {setApprovalForAll}
     */
    function isApprovedForAll(address owner, address operator) external view returns (bool);

    /**
     * @dev Safely transfers `tokenId` token from `from` to `to`.
     *
     * Requirements:
     *
     * - `from` cannot be the zero address.
     * - `to` cannot be the zero address.
     * - `tokenId` token must exist and be owned by `from`.
     * - If the caller is not `from`, it must be approved to move this token by either {approve} or {setApprovalForAll}.
     * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer.
     *
     * Emits a {Transfer} event.
     */
    function safeTransferFrom(
        address from,
        address to,
        uint256 tokenId,
        bytes calldata data
    ) external;
}

// File: @openzeppelin/contracts/token/ERC1155/IERC1155.sol



// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (token/ERC1155/IERC1155.sol)

pragma solidity ^0.8.0;

import "../../utils/introspection/IERC165.sol";

/**
 * @dev Required interface of an ERC1155 compliant contract, as defined in the
 * https://eips.ethereum.org/EIPS/eip-1155[EIP].
 *
 * _Available since v3.1._
 */
interface IERC1155 is IERC165 {
    /**
     * @dev Emitted when `value` tokens of token type `id` are transferred from `from` to `to` by `operator`.
     */
    event TransferSingle(address indexed operator, address indexed from, address indexed to, uint256 id, uint256 value);

    /**
     * @dev Equivalent to multiple {TransferSingle} events, where `operator`, `from` and `to` are the same for all
     * transfers.
     */
    event TransferBatch(
        address indexed operator,
        address indexed from,
        address indexed to,
        uint256[] ids,
        uint256[] values
    );

    /**
     * @dev Emitted when `account` grants or revokes permission to `operator` to transfer their tokens, according to
     * `approved`.
     */
    event ApprovalForAll(address indexed account, address indexed operator, bool approved);

    /**
     * @dev Emitted when the URI for token type `id` changes to `value`, if it is a non-programmatic URI.
     *
     * If an {URI} event was emitted for `id`, the standard
     * https://eips.ethereum.org/EIPS/eip-1155#metadata-extensions[guarantees] that `value` will equal the value
     * returned by {IERC1155MetadataURI-uri}.
     */
    event URI(string value, uint256 indexed id);

    /**
     * @dev Returns the amount of tokens of token type `id` owned by `account`.
     *
     * Requirements:
     *
     * - `account` cannot be the zero address.
     */
    function balanceOf(address account, uint256 id) external view returns (uint256);

    /**
     * @dev xref:ROOT:erc1155.adoc#batch-operations[Batched] version of {balanceOf}.
     *
     * Requirements:
     *
     * - `accounts` and `ids` must have the same length.
     */
    function balanceOfBatch(address[] calldata accounts, uint256[] calldata ids)
        external
        view
        returns (uint256[] memory);

    /**
     * @dev Grants or revokes permission to `operator` to transfer the caller's tokens, according to `approved`,
     *
     * Emits an {ApprovalForAll} event.
     *
     * Requirements:
     *
     * - `operator` cannot be the caller.
     */
    function setApprovalForAll(address operator, bool approved) external;

    /**
     * @dev Returns true if `operator` is approved to transfer ``account``'s tokens.
     *
     * See {setApprovalForAll}.
     */
    function isApprovedForAll(address account, address operator) external view returns (bool);

    /**
     * @dev Transfers `amount` tokens of token type `id` from `from` to `to`.
     *
     * Emits a {TransferSingle} event.
     *
     * Requirements:
     *
     * - `to` cannot be the zero address.
     * - If the caller is not `from`, it must be have been approved to spend ``from``'s tokens via {setApprovalForAll}.
     * - `from` must have a balance of tokens of type `id` of at least `amount`.
     * - If `to` refers to a smart contract, it must implement {IERC1155Receiver-onERC1155Received} and return the
     * acceptance magic value.
     */
    function safeTransferFrom(
        address from,
        address to,
        uint256 id,
        uint256 amount,
        bytes calldata data
    ) external;

    /**
     * @dev xref:ROOT:erc1155.adoc#batch-operations[Batched] version of {safeTransferFrom}.
     *
     * Emits a {TransferBatch} event.
     *
     * Requirements:
     *
     * - `ids` and `amounts` must have the same length.
     * - If `to` refers to a smart contract, it must implement {IERC1155Receiver-onERC1155BatchReceived} and return the
     * acceptance magic value.
     */
    function safeBatchTransferFrom(
        address from,
        address to,
        uint256[] calldata ids,
        uint256[] calldata amounts,
        bytes calldata data
    ) external;
}

// File: contracts/game/interfaces/Interfaces.sol



// SPDX-License-Identifier: Unlicense
pragma solidity 0.8.11;

import "./Structs.sol";

interface MetadataHandlerLike {
  function getCelestialTokenURI(uint256 id, Celestial memory character) external view returns (string memory);

  function getFreakTokenURI(uint256 id, Freak memory character) external view returns (string memory);
}

interface InventoryCelestialsLike {
  function getAttributes(Celestial memory character, uint256 id) external pure returns (bytes memory);

  function getImage(uint256 id) external view returns (bytes memory);
}

interface InventoryFreaksLike {
  function getAttributes(Freak memory character, uint256 id) external view returns (bytes memory);

  function getImage(Freak memory character) external view returns (bytes memory);
}

interface IFnG {
  function transferFrom(
    address from,
    address to,
    uint256 id
  ) external;

  function ownerOf(uint256 id) external returns (address owner);

  function isFreak(uint256 tokenId) external view returns (bool);

  function getSpecies(uint256 tokenId) external view returns (uint8);

  function getFreakAttributes(uint256 tokenId) external view returns (Freak memory);

  function setFreakAttributes(uint256 tokenId, Freak memory attributes) external;

  function getCelestialAttributes(uint256 tokenId) external view returns (Celestial memory);

  function setCelestialAttributes(uint256 tokenId, Celestial memory attributes) external;
}

interface IFBX {
  function mint(address to, uint256 amount) external;

  function burn(address from, uint256 amount) external;
}

interface ICKEY {
  function ownerOf(uint256 tokenId) external returns (address);
}

interface IVAULT {
  function depositsOf(address account) external view returns (uint256[] memory);
  function _depositedBlocks(address account, uint256 tokenId) external returns(uint256);
}

interface ERC20Like {
  function balanceOf(address from) external view returns (uint256 balance);

  function burn(address from, uint256 amount) external;

  function mint(address from, uint256 amount) external;

  function transfer(address to, uint256 amount) external;
}

interface ERC1155Like {
  function mint(
    address to,
    uint256 id,
    uint256 amount
  ) external;

  function burn(
    address from,
    uint256 id,
    uint256 amount
  ) external;
}

interface ERC721Like {
  function transferFrom(
    address from,
    address to,
    uint256 id
  ) external;

  function transfer(address to, uint256 id) external;

  function ownerOf(uint256 id) external returns (address owner);

  function mint(address to, uint256 tokenid) external;
}

interface PortalLike {
  function sendMessage(bytes calldata) external;
}

// File: @openzeppelin/contracts/utils/Context.sol



// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (utils/Context.sol)

pragma solidity ^0.8.0;

/**
 * @dev Provides information about the current execution context, including the
 * sender of the transaction and its data. While these are generally available
 * via msg.sender and msg.data, they should not be accessed in such a direct
 * manner, since when dealing with meta-transactions the account sending and
 * paying for execution may not be the actual sender (as far as an application
 * is concerned).
 *
 * This contract is only required for intermediate, library-like contracts.
 */
abstract contract Context {
    function _msgSender() internal view virtual returns (address) {
        return msg.sender;
    }

    function _msgData() internal view virtual returns (bytes calldata) {
        return msg.data;
    }
}

// File: @openzeppelin/contracts/utils/introspection/IERC165.sol



// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (utils/introspection/IERC165.sol)

pragma solidity ^0.8.0;

/**
 * @dev Interface of the ERC165 standard, as defined in the
 * https://eips.ethereum.org/EIPS/eip-165[EIP].
 *
 * Implementers can declare support of contract interfaces, which can then be
 * queried by others ({ERC165Checker}).
 *
 * For an implementation, see {ERC165}.
 */
interface IERC165 {
    /**
     * @dev Returns true if this contract implements the interface defined by
     * `interfaceId`. See the corresponding
     * https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified[EIP section]
     * to learn more about how these ids are created.
     *
     * This function call must use less than 30 000 gas.
     */
    function supportsInterface(bytes4 interfaceId) external view returns (bool);
}

// File: contracts/game/interfaces/Structs.sol



// SPDX-License-Identifier: MIT
pragma solidity 0.8.11;

struct Freak {
  uint8 species;
  uint8 body;
  uint8 armor;
  uint8 mainHand;
  uint8 offHand;
  uint8 power;
  uint8 health;
  uint8 criticalStrikeMod;

}
struct Celestial {
  uint8 healthMod;
  uint8 powMod;
  uint8 cPP;
  uint8 cLevel;
}

struct Layer {
  string name;
  string data;
}

struct LayerInput {
  string name;
  string data;
  uint8 layerIndex;
  uint8 itemIndex;
}