.gitignore

@@ -142,7 +142,6 @@ dist
 
 # production
 /build
-*/build/
 
 # misc
 .DS_Store

app/package-lock.json

@@ -33,7 +33,6 @@
         "eslint-plugin-prettier": "^5.0.0",
         "jest": "^29.5.0",
         "prettier": "^3.0.0",
-        "socket.io": "^4.8.1",
         "source-map-support": "^0.5.21",
         "supertest": "^7.0.0",
         "ts-jest": "^29.1.0",
@@ -46,22 +45,9 @@
     "../interface": {
       "version": "1.0.0",
       "license": "ISC",
-      "dependencies": {
-        "socket.io": "^4.8.1",
-        "socket.io-client": "^4.8.1",
-        "uuid": "^11.0.3"
-      },
       "devDependencies": {
-        "@eslint/js": "^8.0.0",
         "@types/node": "^22.9.0",
-        "@typescript-eslint/eslint-plugin": "^8.15.0",
+        "typescript": "^5.6.3"
-        "@typescript-eslint/parser": "^8.15.0",
-        "eslint": "^8.0.0",
-        "eslint-config-prettier": "^9.1.0",
-        "eslint-plugin-prettier": "^5.2.1",
-        "globals": "^15.12.0",
-        "typescript": "^5.6.3",
-        "typescript-eslint": "^8.15.0"
       }
     },
     "node_modules/@ampproject/remapping": {
@@ -1739,24 +1725,6 @@
         "rxjs": "^7.1.0"
       }
     },
-    "node_modules/@nestjs/platform-socket.io/node_modules/socket.io": {
-      "version": "4.8.0",
-      "resolved": "https://registry.npmjs.org/socket.io/-/socket.io-4.8.0.tgz",
-      "integrity": "sha512-8U6BEgGjQOfGz3HHTYaC/L1GaxDCJ/KM0XTkJly0EhZ5U/du9uNEZy4ZgYzEzIqlx2CMm25CrCqr1ck899eLNA==",
-      "license": "MIT",
-      "dependencies": {
-        "accepts": "~1.3.4",
-        "base64id": "~2.0.0",
-        "cors": "~2.8.5",
-        "debug": "~4.3.2",
-        "engine.io": "~6.6.0",
-        "socket.io-adapter": "~2.5.2",
-        "socket.io-parser": "~4.2.4"
-      },
-      "engines": {
-        "node": ">=10.2.0"
-      }
-    },
     "node_modules/@nestjs/schematics": {
       "version": "10.2.3",
       "resolved": "https://registry.npmjs.org/@nestjs/schematics/-/schematics-10.2.3.tgz",
@@ -8040,10 +8008,9 @@
       }
     },
     "node_modules/socket.io": {
-      "version": "4.8.1",
+      "version": "4.8.0",
-      "resolved": "https://registry.npmjs.org/socket.io/-/socket.io-4.8.1.tgz",
+      "resolved": "https://registry.npmjs.org/socket.io/-/socket.io-4.8.0.tgz",
-      "integrity": "sha512-oZ7iUCxph8WYRHHcjBEc9unw3adt5CmSNlppj/5Q4k2RIrhl8Z5yY2Xr4j9zj0+wzVZ0bxmYoGSzKJnRl6A4yg==",
+      "integrity": "sha512-8U6BEgGjQOfGz3HHTYaC/L1GaxDCJ/KM0XTkJly0EhZ5U/du9uNEZy4ZgYzEzIqlx2CMm25CrCqr1ck899eLNA==",
-      "dev": true,
       "license": "MIT",
       "dependencies": {
         "accepts": "~1.3.4",

app/package.json

@@ -43,7 +43,6 @@
     "eslint-plugin-prettier": "^5.0.0",
     "jest": "^29.5.0",
     "prettier": "^3.0.0",
-    "socket.io": "^4.8.1",
     "source-map-support": "^0.5.21",
     "supertest": "^7.0.0",
     "ts-jest": "^29.1.0",

app/src/app.module.ts

@@ -1,9 +1,8 @@
 import { Module } from '@nestjs/common';
 import { AppService } from './app.service';
-import { PlayerService } from './players/player.service';
 
 @Module({
   imports: [],
-  providers: [AppService, PlayerService],
+  providers: [AppService],
 })
 export class AppModule {}

app/src/app.service.ts

@@ -1,41 +1,21 @@
 import { Injectable, Logger } from '@nestjs/common';
 import {
-  ConnectedSocket,
-  OnGatewayConnection,
   MessageBody,
   SubscribeMessage,
   WebSocketGateway,
 } from '@nestjs/websockets';
-import { PlayerService } from './players/player.service';
-import { Socket } from 'socket.io';
-import { ClientEvent, CreateLobbyEvent, JoinLobbyEvent } from 'interface';
 
 @WebSocketGateway({ cors: true })
 @Injectable()
-export class AppService implements OnGatewayConnection {
+export class AppService {
   private readonly logger = new Logger(AppService.name);
 
-  constructor(private readonly playerService: PlayerService) {}
+  @SubscribeMessage('example-request')
-  handleConnection(client: Socket) {
+  handleCustomEvent(@MessageBody() data: string): unknown {
-    this.playerService.createPlayer(client.id);
+    this.logger.debug(`Received request in backend with data: ${data}`);
-    this.logger.log(client.id);
+    return {
-  }
+      event: 'example-response',
-
+      data: `Replying from backend, received data: ${data}`,
-  @SubscribeMessage(ClientEvent.CREATE_LOBBY)
+    };
-  handleCreateLobby(
-    @ConnectedSocket() client: Socket,
-    @MessageBody() event: CreateLobbyEvent,
-  ) {
-    this.playerService.addUserName(client.id, event.userName);
-    this.logger.log('Se ha creado un lobby');
-  }
-
-  @SubscribeMessage(ClientEvent.JOIN_LOBBY)
-  handleJoinLobby(
-    @ConnectedSocket() client: Socket,
-    @MessageBody() event: JoinLobbyEvent,
-  ) {
-    this.playerService.addUserName(client.id, event.userName);
-    this.logger.log('Te has unido a un lobby');
   }
 }

app/src/players/player.service.ts

@@ -1,19 +0,0 @@
-import { Injectable, Logger } from '@nestjs/common';
-import { Player } from './player';
-
-@Injectable()
-export class PlayerService {
-  private readonly logger = new Logger(PlayerService.name);
-  private readonly players: Map<string, Player> = new Map();
-
-  createPlayer(socketId: string) {
-    const player: Player = new Player(socketId);
-    this.players.set(socketId, player);
-    this.logger.log([...this.players.entries()]);
-  }
-
-  addUserName(socketId: string, userName: string) {
-    this.players.get(socketId).userName = userName;
-    this.logger.log([...this.players.entries()]);
-  }
-}

app/src/players/player.ts

@@ -1,7 +0,0 @@
-export class Player {
-  socketId: string;
-  userName?: string;
-  constructor(socketId: string) {
-    this.socketId = socketId;
-  }
-}

interface/.eslintrc.js

@@ -13,7 +13,5 @@ module.exports = {
     jest: true,
   },
   ignorePatterns: [".eslintrc.js", "dist/"],
-  rules: {
+  rules: {},
-    "@typescript-eslint/no-non-null-assertion": "off",
-  },
 };

interface/BoardBuilder.ts

@@ -1,115 +0,0 @@
-import { CellType } from "./constants/CellType";
-import { Direction } from "./constants/Direction";
-import { ExitType } from "./constants/ExitType";
-import { Cell } from "./types/Cell";
-import { Exit } from "./types/Exit";
-
-const boardSize = 7;
-const universityLocations = [
-  [2, 0],
-  [4, 1],
-  [3, 3],
-];
-const factoryLocations = [
-  [0, 0],
-  [5, 2],
-  [4, 6],
-];
-const houseLocations = [
-  [0, 2],
-  [1, 5],
-  [2, 4],
-  [5, 4],
-];
-const mapPosition = (position: number[], type: CellType) => {
-  return {
-    row: position[0],
-    col: position[1],
-    type: type,
-  };
-};
-const specialUniversityCells = universityLocations.map((position) =>
-  mapPosition(position, CellType.UNIVERSITY),
-);
-const specialFactoryCells = factoryLocations.map((position) =>
-  mapPosition(position, CellType.FACTORY),
-);
-const specialHouseCells = houseLocations.map((position) =>
-  mapPosition(position, CellType.HOUSE),
-);
-const specialCells = specialUniversityCells
-  .concat(specialFactoryCells)
-  .concat(specialHouseCells);
-
-const specialExitIndexes1 = [1, 5];
-const specialExitIndexes2 = [3];
-
-function createBoard(): Cell[][] {
-  const indexes = Array.from(Array(boardSize).keys());
-  return indexes.map((rowIndex) =>
-    indexes.map((colIndex) => {
-      const specialCell = specialCells.find(
-        (specialCell) =>
-          specialCell.row === rowIndex && specialCell.col === colIndex,
-      );
-      return new Cell(specialCell ? specialCell.type : CellType.NORMAL);
-    }),
-  );
-}
-
-function connectAdjacentCells(board: Cell[][]) {
-  const indexes = Array.from(Array(boardSize).keys());
-  for (const rowIndex of indexes.slice(0, -1)) {
-    for (const colIndex of indexes) {
-      const cell = board[rowIndex][colIndex];
-      const bottomCell = board[rowIndex + 1][colIndex];
-      cell
-        .getNodeAt(Direction.SOUTH)
-        .linkToNode(bottomCell.getNodeAt(Direction.NORTH));
-    }
-  }
-
-  for (const rowIndex of indexes) {
-    for (const colIndex of indexes.slice(0, -1)) {
-      const cell = board[rowIndex][colIndex];
-      const rightCell = board[rowIndex][colIndex + 1];
-      cell
-        .getNodeAt(Direction.EAST)
-        .linkToNode(rightCell.getNodeAt(Direction.WEST));
-    }
-  }
-}
-
-function addExits(board: Cell[][]) {
-  // Add exits to top row
-  board[0].forEach((cell, colIndex) => {
-    let exitType = ExitType.AMBIVALENT;
-    if (specialExitIndexes1.includes(colIndex)) exitType = ExitType.ROAD;
-    if (specialExitIndexes2.includes(colIndex)) exitType = ExitType.RAIL;
-    cell.getNodeAt(Direction.NORTH).linkToNode(new Exit(exitType));
-  });
-
-  // Add exits to bottom row
-  board[boardSize - 1].forEach((cell, colIndex) => {
-    let exitType = ExitType.AMBIVALENT;
-    if (specialExitIndexes1.includes(colIndex)) exitType = ExitType.ROAD;
-    if (specialExitIndexes2.includes(colIndex)) exitType = ExitType.RAIL;
-    cell.getNodeAt(Direction.SOUTH).linkToNode(new Exit(exitType));
-  });
-
-  // Add exits to left and right columns
-  board.forEach((row, rowIndex) => {
-    let exitType = ExitType.AMBIVALENT;
-    if (specialExitIndexes1.includes(rowIndex)) exitType = ExitType.RAIL;
-    if (specialExitIndexes2.includes(rowIndex)) exitType = ExitType.ROAD;
-    row[0].getNodeAt(Direction.WEST).linkToNode(new Exit(exitType));
-    row[boardSize - 1].getNodeAt(Direction.EAST).linkToNode(new Exit(exitType));
-  });
-}
-
-export function buildBoard(): Cell[][] {
-  const board: Cell[][] = createBoard();
-  connectAdjacentCells(board);
-  addExits(board);
-  return board;
-}

interface/client-events/ClientEvent.ts

@@ -1,5 +0,0 @@
-export enum ClientEvent {
-  CREATE_LOBBY = "create-lobby",
-  JOIN_LOBBY = "join-lobby",
-  START_GAME = "start-game",
-}

interface/client-events/CreateLobbyEvent.ts

@@ -1,13 +0,0 @@
-import { Socket } from "socket.io-client";
-import { ClientEvent } from "./ClientEvent";
-
-export type CreateLobbyEvent = {
-  userName: string;
-};
-
-export function handleCreateLobby(
-  socket: Socket,
-  payload: CreateLobbyEvent,
-): void {
-  socket.emit(ClientEvent.CREATE_LOBBY, payload);
-}

interface/client-events/JoinLobbyEvent.ts

@@ -1,11 +0,0 @@
-import { Socket } from "socket.io-client";
-import { ClientEvent } from "./ClientEvent";
-
-export type JoinLobbyEvent = {
-  userName: string;
-  lobbyId: string;
-};
-
-export function handleJoinLobby(socket: Socket, payload: JoinLobbyEvent): void {
-  socket.emit(ClientEvent.JOIN_LOBBY, payload);
-}

interface/constants/CellType.ts

@@ -1,6 +0,0 @@
-export enum CellType {
-  NORMAL = "NORMAL",
-  HOUSE = "HOUSE",
-  FACTORY = "FACTORY",
-  UNIVERSITY = "UNIVERSITY",
-}

interface/constants/Direction.ts

@@ -1,30 +0,0 @@
-export enum Direction {
-  NORTH = "NORTH",
-  SOUTH = "SOUTH",
-  EAST = "EAST",
-  WEST = "WEST",
-}
-
-export const directions: Direction[] = [
-  Direction.NORTH,
-  Direction.SOUTH,
-  Direction.EAST,
-  Direction.WEST,
-];
-
-export function rotateDirection(
-  initialDirection: Direction,
-  rotationAngle: 0 | 90 | 180 | 270,
-): Direction {
-  const angleToDirectionMap: Record<Direction, 0 | 90 | 180 | 270> = {
-    [Direction.NORTH]: 0,
-    [Direction.EAST]: 90,
-    [Direction.SOUTH]: 180,
-    [Direction.WEST]: 270,
-  };
-  const finalAngle =
-    (360 + angleToDirectionMap[initialDirection] - rotationAngle) % 360;
-  return (Object.keys(angleToDirectionMap) as Direction[]).find(
-    (direction) => angleToDirectionMap[direction] === finalAngle,
-  )!;
-}

interface/constants/ExitType.ts

@@ -1,5 +0,0 @@
-export enum ExitType {
-  RAIL = "RAIL",
-  ROAD = "ROAD",
-  AMBIVALENT = "AMBIVALENT",
-}

interface/constants/InternalNodeType.ts

@@ -1,4 +0,0 @@
-export enum InternalNodeType {
-  NONE = "NONE",
-  STATION = "STATION",
-}

interface/constants/Pieces.ts

@@ -1,410 +0,0 @@
-import { Piece } from "../types/Piece";
-import { Direction } from "./Direction";
-import { InternalNodeType } from "./InternalNodeType";
-import { TrackType } from "./TrackType";
-
-const STRAIGHT_RAIL: Piece = new Piece({
-  useInternalTracks: false,
-  trackDefinitions: [
-    {
-      startPoint: Direction.NORTH,
-      endPoint: Direction.SOUTH,
-      type: TrackType.RAIL,
-    },
-  ],
-});
-const TURN_RAIL: Piece = new Piece({
-  useInternalTracks: false,
-  trackDefinitions: [
-    {
-      startPoint: Direction.SOUTH,
-      endPoint: Direction.EAST,
-      type: TrackType.RAIL,
-    },
-  ],
-});
-const FOUR_WAY_CROSS_RAIL: Piece = new Piece({
-  useInternalTracks: true,
-  internalNodeType: InternalNodeType.NONE,
-  trackDefinitions: [
-    {
-      startPoint: Direction.NORTH,
-      type: TrackType.RAIL,
-    },
-    {
-      startPoint: Direction.EAST,
-      type: TrackType.RAIL,
-    },
-    {
-      startPoint: Direction.SOUTH,
-      type: TrackType.RAIL,
-    },
-    {
-      startPoint: Direction.WEST,
-      type: TrackType.RAIL,
-    },
-  ],
-});
-const T_JUNCTION_RAIL: Piece = new Piece({
-  useInternalTracks: true,
-  internalNodeType: InternalNodeType.NONE,
-  trackDefinitions: [
-    {
-      startPoint: Direction.WEST,
-      type: TrackType.RAIL,
-    },
-    {
-      startPoint: Direction.SOUTH,
-      type: TrackType.RAIL,
-    },
-    {
-      startPoint: Direction.EAST,
-      type: TrackType.RAIL,
-    },
-  ],
-});
-const DEAD_END_STATION_RAIL: Piece = new Piece({
-  useInternalTracks: true,
-  internalNodeType: InternalNodeType.STATION,
-  trackDefinitions: [
-    {
-      startPoint: Direction.SOUTH,
-      type: TrackType.RAIL,
-    },
-  ],
-});
-const TURN_RAIL_TO_ROAD: Piece = new Piece({
-  useInternalTracks: true,
-  internalNodeType: InternalNodeType.STATION,
-  trackDefinitions: [
-    {
-      startPoint: Direction.SOUTH,
-      type: TrackType.RAIL,
-    },
-    {
-      startPoint: Direction.EAST,
-      type: TrackType.ROAD,
-    },
-  ],
-});
-const T_JUNCTION_WITH_ROAD_ON_SIDE: Piece = new Piece({
-  useInternalTracks: true,
-  internalNodeType: InternalNodeType.STATION,
-  trackDefinitions: [
-    {
-      startPoint: Direction.SOUTH,
-      type: TrackType.RAIL,
-    },
-    {
-      startPoint: Direction.WEST,
-      type: TrackType.RAIL,
-    },
-    {
-      startPoint: Direction.EAST,
-      type: TrackType.ROAD,
-    },
-  ],
-});
-const FOUR_WAY_WITH_ONE_ROAD: Piece = new Piece({
-  useInternalTracks: true,
-  internalNodeType: InternalNodeType.STATION,
-  trackDefinitions: [
-    {
-      startPoint: Direction.NORTH,
-      type: TrackType.RAIL,
-    },
-    {
-      startPoint: Direction.EAST,
-      type: TrackType.ROAD,
-    },
-    {
-      startPoint: Direction.SOUTH,
-      type: TrackType.RAIL,
-    },
-    {
-      startPoint: Direction.WEST,
-      type: TrackType.RAIL,
-    },
-  ],
-});
-const T_JUNCTION_WITH_ROAD_AT_CENTER: Piece = new Piece({
-  useInternalTracks: true,
-  internalNodeType: InternalNodeType.STATION,
-  trackDefinitions: [
-    {
-      startPoint: Direction.NORTH,
-      type: TrackType.RAIL,
-    },
-    {
-      startPoint: Direction.EAST,
-      type: TrackType.ROAD,
-    },
-    {
-      startPoint: Direction.SOUTH,
-      type: TrackType.RAIL,
-    },
-  ],
-});
-const STRAIGHT_TRACK_CHANGE: Piece = new Piece({
-  useInternalTracks: true,
-  internalNodeType: InternalNodeType.STATION,
-  trackDefinitions: [
-    {
-      startPoint: Direction.EAST,
-      type: TrackType.ROAD,
-    },
-    {
-      startPoint: Direction.WEST,
-      type: TrackType.RAIL,
-    },
-  ],
-});
-const DEAD_END_STATION_ROAD: Piece = new Piece({
-  useInternalTracks: true,
-  internalNodeType: InternalNodeType.STATION,
-  trackDefinitions: [
-    {
-      startPoint: Direction.EAST,
-      type: TrackType.ROAD,
-    },
-  ],
-});
-const T_JUNCTION_WITH_RAIL_AT_CENTER: Piece = new Piece({
-  useInternalTracks: true,
-  internalNodeType: InternalNodeType.STATION,
-  trackDefinitions: [
-    {
-      startPoint: Direction.EAST,
-      type: TrackType.ROAD,
-    },
-    {
-      startPoint: Direction.SOUTH,
-      type: TrackType.RAIL,
-    },
-    {
-      startPoint: Direction.WEST,
-      type: TrackType.ROAD,
-    },
-  ],
-});
-const FOUR_WAY_PERPENDICULAR_CROSSING: Piece = new Piece({
-  useInternalTracks: true,
-  internalNodeType: InternalNodeType.STATION,
-  trackDefinitions: [
-    {
-      startPoint: Direction.NORTH,
-      type: TrackType.RAIL,
-    },
-    {
-      startPoint: Direction.SOUTH,
-      type: TrackType.RAIL,
-    },
-    {
-      startPoint: Direction.WEST,
-      type: TrackType.ROAD,
-    },
-    {
-      startPoint: Direction.EAST,
-      type: TrackType.ROAD,
-    },
-  ],
-});
-const FOUR_WAY_WITH_ONE_RAIL: Piece = new Piece({
-  useInternalTracks: true,
-  internalNodeType: InternalNodeType.STATION,
-  trackDefinitions: [
-    {
-      startPoint: Direction.NORTH,
-      type: TrackType.ROAD,
-    },
-    {
-      startPoint: Direction.EAST,
-      type: TrackType.ROAD,
-    },
-    {
-      startPoint: Direction.SOUTH,
-      type: TrackType.RAIL,
-    },
-    {
-      startPoint: Direction.WEST,
-      type: TrackType.ROAD,
-    },
-  ],
-});
-const FOUR_WAY_TURNING_CROSSING: Piece = new Piece({
-  useInternalTracks: true,
-  internalNodeType: InternalNodeType.STATION,
-  trackDefinitions: [
-    {
-      startPoint: Direction.NORTH,
-      type: TrackType.ROAD,
-    },
-    {
-      startPoint: Direction.EAST,
-      type: TrackType.ROAD,
-    },
-    {
-      startPoint: Direction.SOUTH,
-      type: TrackType.RAIL,
-    },
-    {
-      startPoint: Direction.WEST,
-      type: TrackType.RAIL,
-    },
-  ],
-});
-const LEVEL_CROSSING: Piece = new Piece({
-  useInternalTracks: false,
-  trackDefinitions: [
-    {
-      startPoint: Direction.NORTH,
-      endPoint: Direction.SOUTH,
-      type: TrackType.RAIL,
-    },
-    {
-      startPoint: Direction.EAST,
-      endPoint: Direction.WEST,
-      type: TrackType.ROAD,
-    },
-  ],
-});
-const STRAIGHT_ROAD: Piece = new Piece({
-  useInternalTracks: false,
-  trackDefinitions: [
-    {
-      startPoint: Direction.EAST,
-      endPoint: Direction.WEST,
-      type: TrackType.ROAD,
-    },
-  ],
-});
-const T_JUNCTION_ROAD: Piece = new Piece({
-  useInternalTracks: true,
-  internalNodeType: InternalNodeType.NONE,
-  trackDefinitions: [
-    {
-      startPoint: Direction.EAST,
-      type: TrackType.ROAD,
-    },
-    {
-      startPoint: Direction.SOUTH,
-      type: TrackType.ROAD,
-    },
-    {
-      startPoint: Direction.WEST,
-      type: TrackType.ROAD,
-    },
-  ],
-});
-const FOUR_WAY_CROSS_ROAD: Piece = new Piece({
-  useInternalTracks: true,
-  internalNodeType: InternalNodeType.NONE,
-  trackDefinitions: [
-    {
-      startPoint: Direction.NORTH,
-      type: TrackType.ROAD,
-    },
-    {
-      startPoint: Direction.EAST,
-      type: TrackType.ROAD,
-    },
-    {
-      startPoint: Direction.SOUTH,
-      type: TrackType.ROAD,
-    },
-    {
-      startPoint: Direction.WEST,
-      type: TrackType.ROAD,
-    },
-  ],
-});
-const DOUBLE_TURN_ROAD: Piece = new Piece({
-  useInternalTracks: false,
-  trackDefinitions: [
-    {
-      startPoint: Direction.NORTH,
-      endPoint: Direction.WEST,
-      type: TrackType.ROAD,
-    },
-    {
-      startPoint: Direction.EAST,
-      endPoint: Direction.SOUTH,
-      type: TrackType.ROAD,
-    },
-  ],
-});
-const TURN_ROAD: Piece = new Piece({
-  useInternalTracks: false,
-  trackDefinitions: [
-    {
-      startPoint: Direction.NORTH,
-      endPoint: Direction.WEST,
-      type: TrackType.ROAD,
-    },
-  ],
-});
-const DOUBLE_TURN_RAIL: Piece = new Piece({
-  useInternalTracks: false,
-  trackDefinitions: [
-    {
-      startPoint: Direction.NORTH,
-      endPoint: Direction.WEST,
-      type: TrackType.RAIL,
-    },
-    {
-      startPoint: Direction.EAST,
-      endPoint: Direction.SOUTH,
-      type: TrackType.RAIL,
-    },
-  ],
-});
-
-export enum PieceId {
-  P01 = "P01",
-  P02 = "P02",
-  P03 = "P03",
-  P04 = "P04",
-  P05 = "P05",
-  P06 = "P06",
-  P07 = "P07",
-  P08 = "P08",
-  P09 = "P09",
-  P10 = "P10",
-  P11 = "P11",
-  P12 = "P12",
-  P13 = "P13",
-  P14 = "P14",
-  P15 = "P15",
-  P16 = "P16",
-  P17 = "P17",
-  P18 = "P18",
-  P19 = "P19",
-  P20 = "P20",
-  P21 = "P21",
-  P22 = "P22",
-}
-
-export const pieceMap: Record<PieceId, Piece> = {
-  [PieceId.P01]: STRAIGHT_RAIL,
-  [PieceId.P02]: TURN_RAIL,
-  [PieceId.P03]: FOUR_WAY_CROSS_RAIL,
-  [PieceId.P04]: T_JUNCTION_RAIL,
-  [PieceId.P05]: DEAD_END_STATION_RAIL,
-  [PieceId.P06]: TURN_RAIL_TO_ROAD,
-  [PieceId.P07]: T_JUNCTION_WITH_ROAD_ON_SIDE,
-  [PieceId.P08]: FOUR_WAY_WITH_ONE_ROAD,
-  [PieceId.P09]: T_JUNCTION_WITH_ROAD_AT_CENTER,
-  [PieceId.P10]: STRAIGHT_TRACK_CHANGE,
-  [PieceId.P11]: DEAD_END_STATION_ROAD,
-  [PieceId.P12]: T_JUNCTION_WITH_RAIL_AT_CENTER,
-  [PieceId.P13]: FOUR_WAY_PERPENDICULAR_CROSSING,
-  [PieceId.P14]: FOUR_WAY_WITH_ONE_RAIL,
-  [PieceId.P15]: FOUR_WAY_TURNING_CROSSING,
-  [PieceId.P16]: LEVEL_CROSSING,
-  [PieceId.P17]: STRAIGHT_ROAD,
-  [PieceId.P18]: T_JUNCTION_ROAD,
-  [PieceId.P19]: FOUR_WAY_CROSS_ROAD,
-  [PieceId.P20]: DOUBLE_TURN_ROAD,
-  [PieceId.P21]: TURN_ROAD,
-  [PieceId.P22]: DOUBLE_TURN_RAIL,
-};

interface/index.ts

@@ -1,21 +1 @@
-export * from "./constants/CellType";
-export * from "./constants/Direction";
-export * from "./constants/ExitType";
-export * from "./constants/InternalNodeType";
-export * from "./constants/Pieces";
 export * from "./constants/TrackType";
-export * from "./types/Border";
-export * from "./types/Cell";
-export * from "./types/Exit";
-export * from "./types/ExternalNode";
-export * from "./types/InternalNode";
-export * from "./types/Piece";
-export * from "./types/PlacedPiece";
-export * from "./BoardBuilder";
-export * from "./server-events/ServerError";
-export * from "./server-events/ServerEvent";
-export * from "./server-events/StartRoundEvent";
-export * from "./server-events/UpdateLobbyEvent";
-export * from "./client-events/ClientEvent";
-export * from "./client-events/CreateLobbyEvent";
-export * from "./client-events/JoinLobbyEvent";

interface/package-lock.json

@@ -8,11 +8,6 @@
       "name": "interface",
       "version": "1.0.0",
       "license": "ISC",
-      "dependencies": {
-        "socket.io": "^4.8.1",
-        "socket.io-client": "^4.8.1",
-        "uuid": "^11.0.3"
-      },
       "devDependencies": {
         "@eslint/js": "^8.0.0",
         "@types/node": "^22.9.0",
@@ -242,47 +237,27 @@
         "url": "https://opencollective.com/unts"
       }
     },
-    "node_modules/@socket.io/component-emitter": {
-      "version": "3.1.2",
-      "resolved": "https://registry.npmjs.org/@socket.io/component-emitter/-/component-emitter-3.1.2.tgz",
-      "integrity": "sha512-9BCxFwvbGg/RsZK9tjXd8s4UcwR0MWeFQ1XEKIQVVvAGJyINdrqKMcTRyLoK8Rse1GjzLV9cwjWV1olXRWEXVA==",
-      "license": "MIT"
-    },
-    "node_modules/@types/cookie": {
-      "version": "0.4.1",
-      "resolved": "https://registry.npmjs.org/@types/cookie/-/cookie-0.4.1.tgz",
-      "integrity": "sha512-XW/Aa8APYr6jSVVA1y/DEIZX0/GMKLEVekNG727R8cs56ahETkRAy/3DR7+fJyh7oUgGwNQaRfXCun0+KbWY7Q==",
-      "license": "MIT"
-    },
-    "node_modules/@types/cors": {
-      "version": "2.8.17",
-      "resolved": "https://registry.npmjs.org/@types/cors/-/cors-2.8.17.tgz",
-      "integrity": "sha512-8CGDvrBj1zgo2qE+oS3pOCyYNqCPryMWY2bGfwA0dcfopWGgxs+78df0Rs3rc9THP4JkOhLsAa+15VdpAqkcUA==",
-      "license": "MIT",
-      "dependencies": {
-        "@types/node": "*"
-      }
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+      "dev": true,
       "dependencies": {
         "undici-types": "~6.19.8"
       }
     },
     "node_modules/@typescript-eslint/eslint-plugin": {
-      "version": "8.17.0",
+      "version": "8.15.0",
-      "resolved": "https://registry.npmjs.org/@typescript-eslint/eslint-plugin/-/eslint-plugin-8.17.0.tgz",
+      "resolved": "https://registry.npmjs.org/@typescript-eslint/eslint-plugin/-/eslint-plugin-8.15.0.tgz",
-      "integrity": "sha512-HU1KAdW3Tt8zQkdvNoIijfWDMvdSweFYm4hWh+KwhPstv+sCmWb89hCIP8msFm9N1R/ooh9honpSuvqKWlYy3w==",
+      "integrity": "sha512-+zkm9AR1Ds9uLWN3fkoeXgFppaQ+uEVtfOV62dDmsy9QCNqlRHWNEck4yarvRNrvRcHQLGfqBNui3cimoz8XAg==",
       "dev": true,
       "license": "MIT",
       "dependencies": {
         "@eslint-community/regexpp": "^4.10.0",
-        "@typescript-eslint/scope-manager": "8.17.0",
+        "@typescript-eslint/scope-manager": "8.15.0",
-        "@typescript-eslint/type-utils": "8.17.0",
+        "@typescript-eslint/type-utils": "8.15.0",
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-        "@typescript-eslint/visitor-keys": "8.17.0",
+        "@typescript-eslint/visitor-keys": "8.15.0",
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         "natural-compare": "^1.4.0",
@@ -306,16 +281,16 @@
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-      "version": "8.17.0",
+      "version": "8.15.0",
-      "resolved": "https://registry.npmjs.org/@typescript-eslint/parser/-/parser-8.17.0.tgz",
+      "resolved": "https://registry.npmjs.org/@typescript-eslint/parser/-/parser-8.15.0.tgz",
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+      "integrity": "sha512-7n59qFpghG4uazrF9qtGKBZXn7Oz4sOMm8dwNWDQY96Xlm2oX67eipqcblDj+oY1lLCbf1oltMZFpUso66Kl1A==",
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       "dependencies": {
-        "@typescript-eslint/scope-manager": "8.17.0",
+        "@typescript-eslint/scope-manager": "8.15.0",
-        "@typescript-eslint/types": "8.17.0",
+        "@typescript-eslint/types": "8.15.0",
-        "@typescript-eslint/typescript-estree": "8.17.0",
+        "@typescript-eslint/typescript-estree": "8.15.0",
-        "@typescript-eslint/visitor-keys": "8.17.0",
+        "@typescript-eslint/visitor-keys": "8.15.0",
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@@ -335,14 +310,14 @@
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-      "version": "8.17.0",
+      "version": "8.15.0",
-      "resolved": "https://registry.npmjs.org/@typescript-eslint/scope-manager/-/scope-manager-8.17.0.tgz",
+      "resolved": "https://registry.npmjs.org/@typescript-eslint/scope-manager/-/scope-manager-8.15.0.tgz",
-      "integrity": "sha512-/ewp4XjvnxaREtqsZjF4Mfn078RD/9GmiEAtTeLQ7yFdKnqwTOgRMSvFz4et9U5RiJQ15WTGXPLj89zGusvxBg==",
+      "integrity": "sha512-QRGy8ADi4J7ii95xz4UoiymmmMd/zuy9azCaamnZ3FM8T5fZcex8UfJcjkiEZjJSztKfEBe3dZ5T/5RHAmw2mA==",
       "dev": true,
       "license": "MIT",
       "dependencies": {
-        "@typescript-eslint/types": "8.17.0",
+        "@typescript-eslint/types": "8.15.0",
-        "@typescript-eslint/visitor-keys": "8.17.0"
+        "@typescript-eslint/visitor-keys": "8.15.0"
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@@ -353,14 +328,14 @@
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     "node_modules/@typescript-eslint/type-utils": {
-      "version": "8.17.0",
+      "version": "8.15.0",
-      "resolved": "https://registry.npmjs.org/@typescript-eslint/type-utils/-/type-utils-8.17.0.tgz",
+      "resolved": "https://registry.npmjs.org/@typescript-eslint/type-utils/-/type-utils-8.15.0.tgz",
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+      "integrity": "sha512-UU6uwXDoI3JGSXmcdnP5d8Fffa2KayOhUUqr/AiBnG1Gl7+7ut/oyagVeSkh7bxQ0zSXV9ptRh/4N15nkCqnpw==",
       "dev": true,
       "license": "MIT",
       "dependencies": {
-        "@typescript-eslint/typescript-estree": "8.17.0",
+        "@typescript-eslint/typescript-estree": "8.15.0",
-        "@typescript-eslint/utils": "8.17.0",
+        "@typescript-eslint/utils": "8.15.0",
         "debug": "^4.3.4",
         "ts-api-utils": "^1.3.0"
       },
@@ -381,9 +356,9 @@
       }
     },
     "node_modules/@typescript-eslint/types": {
-      "version": "8.17.0",
+      "version": "8.15.0",
-      "resolved": "https://registry.npmjs.org/@typescript-eslint/types/-/types-8.17.0.tgz",
+      "resolved": "https://registry.npmjs.org/@typescript-eslint/types/-/types-8.15.0.tgz",
-      "integrity": "sha512-gY2TVzeve3z6crqh2Ic7Cr+CAv6pfb0Egee7J5UAVWCpVvDI/F71wNfolIim4FE6hT15EbpZFVUj9j5i38jYXA==",
+      "integrity": "sha512-n3Gt8Y/KyJNe0S3yDCD2RVKrHBC4gTUcLTebVBXacPy091E6tNspFLKRXlk3hwT4G55nfr1n2AdFqi/XMxzmPQ==",
       "dev": true,
       "license": "MIT",
       "engines": {
@@ -395,14 +370,14 @@
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     "node_modules/@typescript-eslint/typescript-estree": {
-      "version": "8.17.0",
+      "version": "8.15.0",
-      "resolved": "https://registry.npmjs.org/@typescript-eslint/typescript-estree/-/typescript-estree-8.17.0.tgz",
+      "resolved": "https://registry.npmjs.org/@typescript-eslint/typescript-estree/-/typescript-estree-8.15.0.tgz",
-      "integrity": "sha512-JqkOopc1nRKZpX+opvKqnM3XUlM7LpFMD0lYxTqOTKQfCWAmxw45e3qlOCsEqEB2yuacujivudOFpCnqkBDNMw==",
+      "integrity": "sha512-1eMp2JgNec/niZsR7ioFBlsh/Fk0oJbhaqO0jRyQBMgkz7RrFfkqF9lYYmBoGBaSiLnu8TAPQTwoTUiSTUW9dg==",
       "dev": true,
       "license": "BSD-2-Clause",
       "dependencies": {
-        "@typescript-eslint/types": "8.17.0",
+        "@typescript-eslint/types": "8.15.0",
-        "@typescript-eslint/visitor-keys": "8.17.0",
+        "@typescript-eslint/visitor-keys": "8.15.0",
         "debug": "^4.3.4",
         "fast-glob": "^3.3.2",
         "is-glob": "^4.0.3",
@@ -424,16 +399,16 @@
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     },
     "node_modules/@typescript-eslint/utils": {
-      "version": "8.17.0",
+      "version": "8.15.0",
-      "resolved": "https://registry.npmjs.org/@typescript-eslint/utils/-/utils-8.17.0.tgz",
+      "resolved": "https://registry.npmjs.org/@typescript-eslint/utils/-/utils-8.15.0.tgz",
-      "integrity": "sha512-bQC8BnEkxqG8HBGKwG9wXlZqg37RKSMY7v/X8VEWD8JG2JuTHuNK0VFvMPMUKQcbk6B+tf05k+4AShAEtCtJ/w==",
+      "integrity": "sha512-k82RI9yGhr0QM3Dnq+egEpz9qB6Un+WLYhmoNcvl8ltMEededhh7otBVVIDDsEEttauwdY/hQoSsOv13lxrFzQ==",
       "dev": true,
       "license": "MIT",
       "dependencies": {
         "@eslint-community/eslint-utils": "^4.4.0",
-        "@typescript-eslint/scope-manager": "8.17.0",
+        "@typescript-eslint/scope-manager": "8.15.0",
-        "@typescript-eslint/types": "8.17.0",
+        "@typescript-eslint/types": "8.15.0",
-        "@typescript-eslint/typescript-estree": "8.17.0"
+        "@typescript-eslint/typescript-estree": "8.15.0"
       },
       "engines": {
         "node": "^18.18.0 || ^20.9.0 || >=21.1.0"
@@ -452,13 +427,13 @@
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     },
     "node_modules/@typescript-eslint/visitor-keys": {
-      "version": "8.17.0",
+      "version": "8.15.0",
-      "resolved": "https://registry.npmjs.org/@typescript-eslint/visitor-keys/-/visitor-keys-8.17.0.tgz",
+      "resolved": "https://registry.npmjs.org/@typescript-eslint/visitor-keys/-/visitor-keys-8.15.0.tgz",
-      "integrity": "sha512-1Hm7THLpO6ww5QU6H/Qp+AusUUl+z/CAm3cNZZ0jQvon9yicgO7Rwd+/WWRpMKLYV6p2UvdbR27c86rzCPpreg==",
+      "integrity": "sha512-h8vYOulWec9LhpwfAdZf2bjr8xIp0KNKnpgqSz0qqYYKAW/QZKw3ktRndbiAtUz4acH4QLQavwZBYCc0wulA/Q==",
       "dev": true,
       "license": "MIT",
       "dependencies": {
-        "@typescript-eslint/types": "8.17.0",
+        "@typescript-eslint/types": "8.15.0",
         "eslint-visitor-keys": "^4.2.0"
       },
       "engines": {
@@ -489,19 +464,6 @@
       "dev": true,
       "license": "ISC"
     },
-    "node_modules/accepts": {
-      "version": "1.3.8",
-      "resolved": "https://registry.npmjs.org/accepts/-/accepts-1.3.8.tgz",
-      "integrity": "sha512-PYAthTa2m2VKxuvSD3DPC/Gy+U+sOA1LAuT8mkmRuvw+NACSaeXEQ+NHcVF7rONl6qcaxV3Uuemwawk+7+SJLw==",
-      "license": "MIT",
-      "dependencies": {
-        "mime-types": "~2.1.34",
-        "negotiator": "0.6.3"
-      },
-      "engines": {
-        "node": ">= 0.6"
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-    },
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       "resolved": "https://registry.npmjs.org/acorn/-/acorn-8.14.0.tgz",
@@ -582,15 +544,6 @@
       "dev": true,
       "license": "MIT"
     },
-    "node_modules/base64id": {
-      "version": "2.0.0",
-      "resolved": "https://registry.npmjs.org/base64id/-/base64id-2.0.0.tgz",
-      "integrity": "sha512-lGe34o6EHj9y3Kts9R4ZYs/Gr+6N7MCaMlIFA3F1R2O5/m7K06AxfSeO5530PEERE6/WyEg3lsuyw4GHlPZHog==",
-      "license": "MIT",
-      "engines": {
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       "resolved": "https://registry.npmjs.org/brace-expansion/-/brace-expansion-2.0.1.tgz",
@@ -668,28 +621,6 @@
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-      "license": "MIT",
-      "engines": {
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-      "license": "MIT",
-      "dependencies": {
-        "object-assign": "^4",
-        "vary": "^1"
-      },
-      "engines": {
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@@ -709,6 +640,7 @@
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+      "dev": true,
       "license": "MIT",
       "dependencies": {
         "ms": "^2.1.3"
@@ -742,49 +674,6 @@
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-      "resolved": "https://registry.npmjs.org/engine.io/-/engine.io-6.6.2.tgz",
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-      "license": "MIT",
-      "dependencies": {
-        "@types/cookie": "^0.4.1",
-        "@types/cors": "^2.8.12",
-        "@types/node": ">=10.0.0",
-        "accepts": "~1.3.4",
-        "base64id": "2.0.0",
-        "cookie": "~0.7.2",
-        "cors": "~2.8.5",
-        "debug": "~4.3.1",
-        "engine.io-parser": "~5.2.1",
-        "ws": "~8.17.1"
-      },
-      "engines": {
-        "node": ">=10.2.0"
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-    "node_modules/engine.io-client": {
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-      "license": "MIT",
-      "dependencies": {
-        "@socket.io/component-emitter": "~3.1.0",
-        "debug": "~4.3.1",
-        "engine.io-parser": "~5.2.1",
-        "ws": "~8.17.1",
-        "xmlhttprequest-ssl": "~2.1.1"
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-    "node_modules/engine.io-parser": {
-      "version": "5.2.3",
-      "resolved": "https://registry.npmjs.org/engine.io-parser/-/engine.io-parser-5.2.3.tgz",
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-      "license": "MIT",
-      "engines": {
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@@ -1233,9 +1122,9 @@
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-      "version": "15.13.0",
+      "version": "15.12.0",
-      "resolved": "https://registry.npmjs.org/globals/-/globals-15.13.0.tgz",
+      "resolved": "https://registry.npmjs.org/globals/-/globals-15.12.0.tgz",
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+      "integrity": "sha512-1+gLErljJFhbOVyaetcwJiJ4+eLe45S2E7P5UiZ9xGfeq3ATQf5DOv9G7MH3gGbKQLkzmNh2DxfZwLdw+j6oTQ==",
       "dev": true,
       "license": "MIT",
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@@ -1473,27 +1362,6 @@
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interface/package.json

@@ -21,10 +21,5 @@
     "globals": "^15.12.0",
     "typescript": "^5.6.3",
     "typescript-eslint": "^8.15.0"
-  },
-  "dependencies": {
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   }
 }

interface/server-events/ServerError.ts

@@ -1,4 +0,0 @@
-export enum ServerError {
-  CREATE_LOBBY_ERROR = "create-lobby-error",
-  JOIN_LOBBY_ERROR = "join-lobby-error",
-}

interface/server-events/ServerEvent.ts

@@ -1,4 +0,0 @@
-export enum ServerEvent {
-  LOBBY_UPDATE = "lobby-update",
-  START_ROUND = "start-round",
-}

interface/server-events/StartRoundEvent.ts

@@ -1,22 +0,0 @@
-import { Socket as ServerSocket } from "socket.io";
-import { Socket as ClientSocket } from "socket.io-client";
-import { ServerEvent } from "./ServerEvent";
-import { PieceId } from "../constants/Pieces";
-
-export type StartRoundEvent = {
-  pieceIds: PieceId[];
-};
-
-export const emitStartRoundEvent = (
-  socket: ServerSocket,
-  payload: StartRoundEvent,
-) => {
-  socket.emit(ServerEvent.START_ROUND, payload);
-};
-
-export function attachHandlerToStartRoundEvent(
-  socket: ClientSocket,
-  handler: (event: StartRoundEvent) => void,
-): void {
-  socket.once(ServerEvent.START_ROUND, handler);
-}

interface/server-events/UpdateLobbyEvent.ts

@@ -1,22 +0,0 @@
-import { Socket as ServerSocket } from "socket.io";
-import { Socket as ClientSocket } from "socket.io-client";
-import { ServerEvent } from "./ServerEvent";
-
-export type UpdateLobbyEvent = {
-  playerNames: Array<string>;
-  gameCode: string;
-};
-
-export const emitUpdateLobbyEvent = (
-  socket: ServerSocket,
-  payload: UpdateLobbyEvent,
-) => {
-  socket.emit(ServerEvent.LOBBY_UPDATE, payload);
-};
-
-export function attachHandlerToUpdateLobbyEvent(
-  socket: ClientSocket,
-  handler: (event: UpdateLobbyEvent) => void,
-): void {
-  socket.once(ServerEvent.LOBBY_UPDATE, handler);
-}

interface/types/Border.ts

@@ -1,22 +0,0 @@
-import { Exit } from "./Exit";
-import { ExternalNode } from "./ExternalNode";
-
-export class Border {
-  private readonly firstNode: ExternalNode;
-  private readonly secondNode: ExternalNode | Exit;
-
-  constructor(firstNode: ExternalNode, secondNode: ExternalNode | Exit) {
-    this.firstNode = firstNode;
-    this.secondNode = secondNode;
-  }
-
-  public traverseFrom(node: ExternalNode): ExternalNode | Exit {
-    if (node === this.firstNode) {
-      return this.secondNode;
-    }
-    if (node === this.secondNode) {
-      return this.firstNode;
-    }
-    throw Error("Unable to traverse border");
-  }
-}

interface/types/Cell.ts

@@ -1,112 +0,0 @@
-import { CellType } from "../constants/CellType";
-import { Direction } from "../constants/Direction";
-import { ExitType } from "../constants/ExitType";
-import { PieceId, pieceMap } from "../constants/Pieces";
-import { Exit } from "./Exit";
-import { ExternalNode } from "./ExternalNode";
-import { InternalNode } from "./InternalNode";
-import { Piece } from "./Piece";
-import { PlacedPiece } from "./PlacedPiece";
-
-export class Cell {
-  public readonly externalNodes: Map<Direction, ExternalNode>;
-  public readonly cellType: CellType;
-  public placedPiece?: {
-    piece: PlacedPiece;
-    id: PieceId;
-  };
-
-  constructor(cellType: CellType) {
-    this.externalNodes = new Map([
-      [Direction.NORTH, new ExternalNode(this, Direction.NORTH)],
-      [Direction.SOUTH, new ExternalNode(this, Direction.SOUTH)],
-      [Direction.EAST, new ExternalNode(this, Direction.EAST)],
-      [Direction.WEST, new ExternalNode(this, Direction.WEST)],
-    ]);
-    this.cellType = cellType;
-  }
-
-  public getNodeAt(direction: Direction): ExternalNode {
-    const node = this.externalNodes.get(direction);
-    if (!node) throw Error(`Could not find node at ${direction}`);
-    return node!;
-  }
-
-  /**
-   * @param rotation in degrees counter-clockwise
-   */
-  public placePiece(pieceId: PieceId, rotation: 0 | 90 | 180 | 270) {
-    if (this.placedPiece !== undefined) return;
-    const piece: Piece = pieceMap[pieceId].rotate(rotation);
-
-    this.validatePiecePlacement(piece);
-
-    this.placedPiece = {
-      piece: piece.toPlacedPiece(this),
-      id: pieceId,
-    };
-  }
-
-  private validatePiecePlacement(piece: Piece) {
-    const hasAnyConnection = Array.from(piece.tracks)
-      .map((track) => {
-        const trackExternalNodes = [
-          this.getNodeAt(track.joinedPoints.firstPoint),
-        ];
-        if (!(track.joinedPoints.secondPoint instanceof InternalNode)) {
-          trackExternalNodes.push(
-            this.getNodeAt(track.joinedPoints.secondPoint),
-          );
-        }
-        return {
-          trackExternalNodes: trackExternalNodes,
-          trackType: track.type,
-        };
-      })
-      .reduce((isConnected, { trackExternalNodes, trackType }) => {
-        let isTrackConnected: boolean = false;
-        trackExternalNodes
-          .filter((node) => node.traverseBorder() instanceof Exit)
-          .forEach((node) => {
-            const exitType = (node.traverseBorder() as Exit).type;
-            isTrackConnected = true;
-            if (
-              exitType !== ExitType.AMBIVALENT &&
-              exitType.toString() !== trackType.toString()
-            ) {
-              throw Error(
-                `Unable to place piece, invalid exit type at direction ${node.direction}`,
-              );
-            }
-          });
-
-        trackExternalNodes
-          .filter((node) => node.traverseBorder() instanceof ExternalNode)
-          .forEach((node) => {
-            const adjacentExternalNode = node.traverseBorder() as ExternalNode;
-            const adjacentTrack =
-              adjacentExternalNode.cell.placedPiece?.piece.findTrackForDirection(
-                adjacentExternalNode.direction,
-              );
-            if (adjacentTrack !== undefined) {
-              isTrackConnected = true;
-              if (adjacentTrack.type !== trackType) {
-                throw Error(
-                  `Unable to place piece next to another due to conflicting track types at ${node.direction}`,
-                );
-              }
-            }
-          });
-
-        return isConnected || isTrackConnected;
-      }, false);
-
-    if (!hasAnyConnection) {
-      throw Error("No adjacent exit or piece available to connect to");
-    }
-  }
-
-  public removePiece() {
-    this.placedPiece = undefined;
-  }
-}

interface/types/Exit.ts

@@ -1,9 +0,0 @@
-import { ExitType } from "../constants/ExitType";
-
-export class Exit {
-  public readonly type: ExitType;
-
-  constructor(type: ExitType) {
-    this.type = type;
-  }
-}

interface/types/ExternalNode.ts

@@ -1,29 +0,0 @@
-import { Direction } from "../constants/Direction";
-import { Border } from "./Border";
-import { Cell } from "./Cell";
-import { Exit } from "./Exit";
-
-export class ExternalNode {
-  public readonly direction: Direction;
-  private border?: Border;
-  public readonly cell: Cell;
-
-  constructor(cell: Cell, direction: Direction) {
-    this.cell = cell;
-    this.direction = direction;
-  }
-
-  public linkToNode(other: ExternalNode | Exit) {
-    this.border = new Border(this, other);
-    if (other instanceof ExternalNode) {
-      other.border = this.border;
-    }
-  }
-
-  public traverseBorder(): ExternalNode | Exit {
-    if (!this.border) {
-      throw Error(`Missing border for node`);
-    }
-    return this.border.traverseFrom(this);
-  }
-}

interface/types/InternalNode.ts

@@ -1,12 +0,0 @@
-import { v4 as uuidv4 } from "uuid";
-import { InternalNodeType } from "../constants/InternalNodeType";
-
-export class InternalNode {
-  id: string;
-  type: InternalNodeType;
-
-  constructor(type: InternalNodeType) {
-    this.id = uuidv4();
-    this.type = type;
-  }
-}

interface/types/Piece.ts

@@ -1,115 +0,0 @@
-import { Direction, rotateDirection } from "../constants/Direction";
-import { TrackType } from "../constants/TrackType";
-import { Cell } from "./Cell";
-import { InternalNode } from "./InternalNode";
-import { PlacedPiece } from "./PlacedPiece";
-import { InternalNodeType } from "../constants/InternalNodeType";
-
-export interface PieceProps {
-  readonly useInternalTracks: boolean;
-  readonly internalNodeType?: InternalNodeType;
-  readonly trackDefinitions: {
-    readonly startPoint: Direction;
-    readonly endPoint?: Direction;
-    readonly type: TrackType;
-  }[];
-}
-
-type Track = {
-  readonly joinedPoints: {
-    readonly firstPoint: Direction;
-    readonly secondPoint: Direction | InternalNode;
-  };
-  readonly type: TrackType;
-};
-
-export class Piece {
-  readonly tracks: Set<Track>;
-  readonly internalNode?: InternalNode;
-
-  constructor(pieceProps: PieceProps) {
-    if (pieceProps.useInternalTracks) {
-      if (!pieceProps.internalNodeType) {
-        throw Error(
-          "Expected to find internal node type when useInternalTracks is set",
-        );
-      }
-      this.internalNode = new InternalNode(pieceProps.internalNodeType);
-      this.tracks = new Set(
-        pieceProps.trackDefinitions.map((trackDefinition) => {
-          return {
-            joinedPoints: {
-              firstPoint: trackDefinition.startPoint,
-              secondPoint: this.internalNode!,
-            },
-            type: trackDefinition.type,
-          };
-        }),
-      );
-    } else {
-      this.internalNode = undefined;
-      this.tracks = new Set(
-        pieceProps.trackDefinitions.map((trackDefinition) => {
-          if (!trackDefinition.endPoint) {
-            throw Error("Missing end point for non-internal track");
-          }
-          return {
-            joinedPoints: {
-              firstPoint: trackDefinition.startPoint,
-              secondPoint: trackDefinition.endPoint,
-            },
-            type: trackDefinition.type,
-          };
-        }),
-      );
-    }
-  }
-
-  rotate(rotation: 0 | 90 | 180 | 270): Piece {
-    return new Piece({
-      useInternalTracks: this.internalNode !== undefined,
-      internalNodeType: this.internalNode?.type,
-      trackDefinitions: Array.from(this.tracks).map((track) => {
-        if (track.joinedPoints.secondPoint instanceof InternalNode) {
-          return {
-            type: track.type,
-            startPoint: rotateDirection(
-              track.joinedPoints.firstPoint,
-              rotation,
-            ),
-          };
-        } else {
-          return {
-            type: track.type,
-            startPoint: rotateDirection(
-              track.joinedPoints.firstPoint,
-              rotation,
-            ),
-            endPoint: rotateDirection(track.joinedPoints.secondPoint, rotation),
-          };
-        }
-      }),
-    });
-  }
-
-  toPlacedPiece(cell: Cell) {
-    return new PlacedPiece(
-      new Set(
-        Array.from(this.tracks).map((track) => {
-          return {
-            nodes: {
-              firstNode: cell.getNodeAt(track.joinedPoints.firstPoint),
-              secondNode:
-                track.joinedPoints.secondPoint instanceof InternalNode
-                  ? (track.joinedPoints.secondPoint as InternalNode)
-                  : cell.getNodeAt(track.joinedPoints.secondPoint as Direction),
-            },
-            type: track.type,
-          };
-        }),
-      ),
-      this.internalNode,
-      cell,
-    );
-  }
-}

interface/types/PlacedPiece.ts

@@ -1,41 +0,0 @@
-import { Direction } from "../constants/Direction";
-import { TrackType } from "../constants/TrackType";
-import { Cell } from "./Cell";
-import { ExternalNode } from "./ExternalNode";
-import { InternalNode } from "./InternalNode";
-
-export class PlacedPiece {
-  tracks: Set<{
-    nodes: {
-      firstNode: ExternalNode;
-      secondNode: ExternalNode | InternalNode;
-    };
-    type: TrackType;
-  }>;
-  internalNode?: InternalNode;
-  cell: Cell;
-  constructor(
-    tracks: Set<{
-      nodes: {
-        firstNode: ExternalNode;
-        secondNode: ExternalNode | InternalNode;
-      };
-      type: TrackType;
-    }>,
-    internalNodes: InternalNode | undefined,
-    cell: Cell,
-  ) {
-    this.tracks = tracks;
-    this.internalNode = internalNodes;
-    this.cell = cell;
-  }
-
-  public findTrackForDirection(direction: Direction) {
-    return Array.from(this.tracks).find(
-      (track) =>
-        track.nodes.firstNode.direction === direction ||
-        (track.nodes.secondNode instanceof ExternalNode &&
-          track.nodes.secondNode.direction === direction),
-    );
-  }
-}

web/.eslintrc.js

@@ -12,13 +12,6 @@ module.exports = {
     node: true,
     jest: true,
   },
-  ignorePatterns: [".eslintrc.js", "dist/", "node_modules/", "build/"],
+  ignorePatterns: [".eslintrc.js", "dist/"],
-  rules: {
+  rules: {},
-    "prettier/prettier": [
-      "error",
-      {
-        endOfLine: "auto",
-      },
-    ],
-  },
 };

web/package-lock.json

@@ -13,7 +13,7 @@
         "@testing-library/react": "^13.4.0",
         "@testing-library/user-event": "^13.5.0",
         "@types/jest": "^27.5.2",
-        "@types/node": "^17.0.29",
+        "@types/node": "^16.18.119",
         "@types/react": "^18.3.12",
         "@types/react-dom": "^18.3.1",
         "interface": "file:../interface",
@@ -37,11 +37,6 @@
     "../interface": {
       "version": "1.0.0",
       "license": "ISC",
-      "dependencies": {
-        "socket.io": "^4.8.1",
-        "socket.io-client": "^4.8.1",
-        "uuid": "^11.0.3"
-      },
       "devDependencies": {
         "@eslint/js": "^8.0.0",
         "@types/node": "^22.9.0",
@@ -4202,9 +4197,9 @@
       "license": "MIT"
     },
     "node_modules/@types/node": {
-      "version": "17.0.29",
+      "version": "16.18.119",
-      "resolved": "https://registry.npmjs.org/@types/node/-/node-17.0.29.tgz",
+      "resolved": "https://registry.npmjs.org/@types/node/-/node-16.18.119.tgz",
-      "integrity": "sha512-tx5jMmMFwx7wBwq/V7OohKDVb/JwJU5qCVkeLMh1//xycAJ/ESuw9aJ9SEtlCZDYi2pBfe4JkisSoAtbOsBNAA==",
+      "integrity": "sha512-ia7V9a2FnhUFfetng4/sRPBMTwHZUkPFY736rb1cg9AgG7MZdR97q7/nLR9om+sq5f1la9C857E0l/nrI0RiFQ==",
       "license": "MIT"
     },
     "node_modules/@types/node-forge": {

web/package.json

@@ -8,7 +8,7 @@
     "@testing-library/react": "^13.4.0",
     "@testing-library/user-event": "^13.5.0",
     "@types/jest": "^27.5.2",
-    "@types/node": "^17.0.29",
+    "@types/node": "^16.18.119",
     "@types/react": "^18.3.12",
     "@types/react-dom": "^18.3.1",
     "interface": "file:../interface",

web/src/App.test.tsx

@@ -0,0 +1,8 @@
+import React from "react";
+import { render, screen } from "@testing-library/react";
+import App from "./App";
+
+test("Renders hello world", () => {
+  render(<App />);
+  expect(screen.getByText("Hello World! Front")).toBeInTheDocument();
+});

web/src/App.tsx

@@ -1,57 +1,22 @@
-import React, { useCallback, useState } from "react";
+import React from "react";
-import { Socket } from "socket.io-client";
+import { io } from "socket.io-client";
-import LandingPage from "./pages/landing/LandingPage";
-import GamePage from "./pages/game/GamePage";
-import LobbyPage from "./pages/lobby/LobbyPage";
-import {
-  attachHandlerToStartRoundEvent,
-  attachHandlerToUpdateLobbyEvent,
-  PieceId,
-} from "interface";
 
-export interface AppProps {
+function App() {
-  socket: Socket;
+  const socket = io("http://localhost:3010");
-}
+  const emitData = () =>
+    console.log(socket.emit("example-request", "custom-request"));
+  socket.on("example-response", (data) =>
+    console.log(`Received response in front end with data: ${data}`),
+  );
 
-const App = (props: AppProps) => {
-  const { socket } = props;
-  const [renderedPage, setRenderedPage] = useState("LANDING");
-
-  const [initialPlayerNames, setInitialPlayerNames] = useState([] as string[]);
-  const [gameCode, setGameCode] = useState("");
-  const [initialPieceIds, setInitialPieceIds] = useState([] as PieceId[]);
-
-  const setupNextPageTransition = useCallback(() => {
-    if (renderedPage === "LANDING") {
-      attachHandlerToUpdateLobbyEvent(socket, (event) => {
-        setInitialPlayerNames(event.playerNames);
-        setGameCode(event.gameCode);
-        setRenderedPage("LOBBY");
-      });
-    } else if (renderedPage === "LOBBY") {
-      attachHandlerToStartRoundEvent(socket, (event) => {
-        setInitialPieceIds(event.pieceIds);
-        setRenderedPage("GAME");
-      });
-    }
-  }, [renderedPage]);
-
-  setupNextPageTransition();
   return (
-    <div className="app">
+    <div className="App">
-      {renderedPage === "LANDING" && <LandingPage {...props} />}
+      <header className="App-header">
-      {renderedPage === "LOBBY" && (
+        <button onClick={emitData}>Emit Data</button>
-        <LobbyPage
+        Hello World! Front
-          {...props}
+      </header>
-          initialPlayerNames={initialPlayerNames}
-          gameCode={gameCode}
-        />
-      )}
-      {renderedPage === "GAME" && (
-        <GamePage initialPieceIds={initialPieceIds} />
-      )}
     </div>
   );
-};
+}
 
 export default App;

web/src/index.tsx

@@ -2,14 +2,12 @@ import React from "react";
 import ReactDOM from "react-dom/client";
 import App from "./App";
 import "./App.scss";
-import { io } from "socket.io-client";
 
 const root = ReactDOM.createRoot(
   document.getElementById("root") as HTMLElement,
 );
-const socket = io("http://localhost:3010");
 root.render(
   <React.StrictMode>
-    <App socket={socket} />
+    <App />
   </React.StrictMode>,
 );

web/src/pages/game/GamePage.scss

@@ -1,17 +0,0 @@
-h1 {
-    text-align: center;
-    padding: 10px;
-    margin: 0;
-}
-
-.game-panel {
-    user-select: none; /* Standard syntax */
-    display: flex;
-    flex-direction: row;
-
-    .right-panel {
-        display: flex;
-        flex-direction: column;
-        padding: 50px;
-    }
-}

web/src/pages/game/GamePage.tsx

@@ -1,134 +0,0 @@
-import React, { useState } from "react";
-import GameBoard from "./components/GameBoard";
-import DiceSet from "./components/DiceSet";
-import "./GamePage.scss";
-import { buildBoard, PieceId } from "interface";
-import { DieViewProps } from "./types/DieViewProps";
-import { PlacePieceActionStack } from "./types/PlacePieceActionStack";
-
-export interface GamePageProps {
-  initialPieceIds: PieceId[];
-}
-
-const GamePage = (props: GamePageProps) => {
-  const { initialPieceIds } = props;
-
-  const [pieceIds] = useState(initialPieceIds);
-
-  const getDiceSet: () => DieViewProps[] = () =>
-    pieceIds.map((pieceId) => {
-      return {
-        pieceId: pieceId,
-        isSelected: false,
-        isDisabled: false,
-        isSpecial: false,
-        rotation: 0,
-      };
-    });
-
-  const [dice, setDice] = useState(getDiceSet());
-  const [specialDice, setSpecialDice] = useState(
-    [
-      PieceId.P03,
-      PieceId.P08,
-      PieceId.P13,
-      PieceId.P14,
-      PieceId.P15,
-      PieceId.P19,
-    ].map((pieceId) => {
-      return {
-        pieceId: pieceId,
-        isSelected: false,
-        isDisabled: false,
-        isSpecial: true,
-        rotation: 0,
-      };
-    }),
-  );
-  const [specialDieUsedInRound, setSpecialDieUsedInRound] = useState(false);
-
-  const modifyDieState = (
-    matcher: (die: DieViewProps) => boolean,
-    newStateComputer: (die: DieViewProps) => Partial<DieViewProps>,
-  ) => {
-    setDice(
-      dice.map((die) => {
-        if (!matcher(die)) return die;
-        return {
-          ...die,
-          ...newStateComputer(die),
-        };
-      }),
-    );
-    setSpecialDice(
-      specialDice.map((die) => {
-        if (!matcher(die)) return die;
-        return {
-          ...die,
-          ...newStateComputer(die),
-        };
-      }),
-    );
-  };
-
-  const fetchDie = (matcher: (die: DieViewProps) => boolean) => {
-    return dice.concat(specialDice).find((die) => matcher(die));
-  };
-
-  const [board, setBoard] = useState(buildBoard());
-  const [id, setId] = useState(1);
-  const refreshBoardRender = () => {
-    setBoard(board);
-    setId(id + 1);
-  };
-
-  const [placePieceActionStack, setPlacePieceActionStack] = useState(
-    new PlacePieceActionStack(),
-  );
-  const resetBoard = () => {
-    placePieceActionStack.resetActions(board);
-    setBoard(board);
-    modifyDieState(
-      () => true,
-      () => {
-        return { isSelected: false, isDisabled: false };
-      },
-    );
-    setId(id + 1);
-  };
-  const commitBoard = () => {
-    if (dice.some((die) => !die.isDisabled)) return;
-    placePieceActionStack.commitActions();
-    setDice(getDiceSet());
-    setSpecialDieUsedInRound(false);
-  };
-
-  return (
-    <React.Fragment>
-      <h1>Game Page Title</h1>
-      <div className="game-panel" id={id.toString()}>
-        <GameBoard
-          modifyDieState={modifyDieState}
-          fetchDie={fetchDie}
-          setSpecialDieUsedInRound={setSpecialDieUsedInRound}
-          refreshBoardRender={refreshBoardRender}
-          board={board}
-          placePieceActionStack={placePieceActionStack}
-          setPlacePieceActionStack={setPlacePieceActionStack}
-        />
-        <div className="right-panel">
-          <DiceSet
-            dice={dice}
-            specialDice={specialDice}
-            modifyDieState={modifyDieState}
-            specialDieUsedInRound={specialDieUsedInRound}
-            resetBoard={resetBoard}
-            commitBoard={commitBoard}
-          />
-        </div>
-      </div>
-    </React.Fragment>
-  );
-};
-
-export default GamePage;

web/src/pages/game/components/BoardCell.scss

@@ -1,108 +0,0 @@
-.cell {
-    width: 100px;
-    height: 100px;
-    border: 2px solid black;
-    border-radius: 10%;
-    position: relative;
-
-    .piece {
-        border-radius: 10%;
-        position: absolute;
-        top: 0;
-
-        &.rotate-90 {
-            transform: rotate(-90deg);
-        }
-
-        &.rotate-180 {
-            transform: rotate(180deg);
-        }
-
-        &.rotate-270 {
-            transform: rotate(90deg);
-        }
-    }
-
-    .cell-type-icon {
-        width: 25px;
-        height: 25px;
-        padding: 2px;
-        margin: 2px;
-        position: absolute;
-        top: 0;
-        left: 0;
-    }
-}
-
-.cell .exit {
-    position: absolute;
-    width: 20px;
-    height: 20px;
-
-    &:has(.exit-road) {
-        border: solid black;
-        border-width: 0 1px;
-
-        .exit-road {
-            margin: auto;
-            width: 0;
-            height: 100%;
-            border: dashed black;
-            border-width: 0 1px;
-            transform: translate(calc(50% - 1px));
-        }
-    }
-
-    &:has(.exit-rail) {
-        border-width: 0 1px;
-
-        .exit-rail {
-            margin: auto;
-            width: 0;
-            height: 100%;
-            border: solid black;
-            border-width: 0 1px;
-            transform: translate(calc(50% - 1px));
-        }
-    }
-
-    &:has(.exit-ambivalent) {
-        border-width: 0 1px;
-        border-style: dotted;
-
-        .exit-ambivalent {
-            margin: auto;
-            width: 0;
-            height: 100%;
-            border: dotted black;
-            border-width: 0 1px 0 0;
-            transform: translate(calc(50%));
-        }
-    }
-    &:has(.exit-north), &:has(.exit-south) {
-        left: 50%;
-    }
-
-    &:has(.exit-north) {
-        transform: translate(calc(-50% - 1px), -100%);
-    }
-
-    &:has(.exit-south) {
-        top: 100%;
-        transform: translate(calc(-50% - 1px), 0%);
-    }
-
-    &:has(.exit-east), &:has(.exit-west) {
-        top: 50%;
-    }
-
-    &:has(.exit-east) {
-        left: 100%;
-        transform: rotate(90deg) translate(-50%, 0);
-    }
-
-    &:has(.exit-west) {
-        left: 0%;
-        transform: rotate(90deg) translate(-50%, 100%);
-    }
-}

web/src/pages/game/components/BoardCell.tsx

@@ -1,85 +0,0 @@
-import { Cell, CellType, directions, Exit, PieceId } from "interface";
-import "./BoardCell.scss";
-import { useState } from "react";
-import { DieViewProps } from "../types/DieViewProps";
-
-export interface BoardCellProps {
-  cell: Cell;
-  refreshBoardRender: () => void;
-  modifyDieState: (
-    matcher: (die: DieViewProps) => boolean,
-    newStateComputer: (die: DieViewProps) => Partial<DieViewProps>,
-  ) => void;
-  fetchDie: (
-    matcher: (die: DieViewProps) => boolean,
-  ) => DieViewProps | undefined;
-  setSpecialDieUsedInRound: React.Dispatch<React.SetStateAction<boolean>>;
-  placePieceActionHandler: (pieceId: PieceId, rotation: number) => void;
-}
-
-const BoardCell = (props: BoardCellProps) => {
-  const {
-    cell,
-    refreshBoardRender,
-    modifyDieState,
-    fetchDie,
-    setSpecialDieUsedInRound,
-    placePieceActionHandler,
-  } = props;
-  const [pieceRotationAngle, setPieceRotationAngle] = useState(0);
-  const handleBoardCellClick = () => {
-    const selectedDie = fetchDie((die) => die.isSelected);
-    if (!selectedDie) return;
-    try {
-      placePieceActionHandler(selectedDie.pieceId, selectedDie.rotation);
-    } catch (error) {
-      console.log(error);
-      return;
-    }
-    modifyDieState(
-      (die) => die === selectedDie,
-      () => {
-        return {
-          isSelected: false,
-          isDisabled: true,
-        };
-      },
-    );
-    if (selectedDie.isSpecial) setSpecialDieUsedInRound(true);
-    // Set rotation to the piece in the board, not the die
-    setPieceRotationAngle(selectedDie.rotation);
-    refreshBoardRender();
-  };
-
-  return (
-    <div className={"cell"} onClick={handleBoardCellClick}>
-      {directions.map((direction) => {
-        const traversedNode = cell.getNodeAt(direction).traverseBorder();
-        const isExit = traversedNode instanceof Exit;
-        if (!isExit) return;
-        const className =
-          `exit-${direction.toLowerCase()}` +
-          ` exit-${(traversedNode as Exit).type.toLowerCase()}`;
-        return (
-          <div className="exit">
-            <div className={className} />
-          </div>
-        );
-      })}
-      {cell.placedPiece && (
-        <img
-          className={`piece rotate-${pieceRotationAngle}`}
-          src={`pieces/${cell.placedPiece.id}.jpeg`}
-        ></img>
-      )}
-      {cell.cellType !== CellType.NORMAL && (
-        <img
-          className="cell-type-icon"
-          src={`./${cell.cellType.toLowerCase()}-icon.png`}
-        ></img>
-      )}
-    </div>
-  );
-};
-
-export default BoardCell;

web/src/pages/game/components/DiceSet.scss

@@ -1,40 +0,0 @@
-.dice-set-actions {
-    display: flex;
-    flex-direction: row;
-    width: max-content;
-    margin: auto auto 50px auto;
-
-    img {
-        border: 3px solid green;
-        box-shadow: 0 0 10px green;
-        border-radius: 20%;
-        padding: 5px;
-        width: 70px;
-        height: 70px;
-        margin-right: 10px;
-
-        &.icon-inverted {
-            transform: scaleX(-1);
-        }
-
-        &:last-child {
-            margin-right: 0;
-        }
-    }
-}
-
-.dice-set {
-    display: grid;
-    grid-template-columns: repeat(2, auto);
-    gap: 20px;
-    margin: 0 0 50px 0;
-}
-
-.special-dice-set {
-    display: grid;
-    grid-template-columns: repeat(3, auto);
-    margin: 0 0 50px 0;
-    column-gap: 12%;
-    row-gap: 20px;
-    width: 100%;
-}

web/src/pages/game/components/DiceSet.tsx

@@ -1,80 +0,0 @@
-import "./DiceSet.scss";
-import Die from "./Die";
-import React from "react";
-import { DieViewProps } from "../types/DieViewProps";
-
-export interface DiceSetProps {
-  dice: DieViewProps[];
-  specialDice: DieViewProps[];
-  modifyDieState: (
-    matcher: (die: DieViewProps) => boolean,
-    newStateComputer: (die: DieViewProps) => Partial<DieViewProps>,
-  ) => void;
-  specialDieUsedInRound: boolean;
-  resetBoard: () => void;
-  commitBoard: () => void;
-}
-const DiceSet = (props: DiceSetProps) => {
-  const {
-    dice,
-    specialDice,
-    modifyDieState,
-    specialDieUsedInRound,
-    resetBoard,
-    commitBoard,
-  } = props;
-  const handleDieClick = (clickedDie: DieViewProps) => {
-    if (clickedDie.isDisabled) return;
-    const isSpecialDie = clickedDie.isSpecial;
-    if (isSpecialDie && specialDieUsedInRound) return;
-    modifyDieState(
-      () => true,
-      (die) => {
-        return {
-          isSelected: die === clickedDie,
-        };
-      },
-    );
-  };
-
-  const handleRotateButton = (rotation: number) => {
-    modifyDieState(
-      (die) => die.isSelected,
-      (die) => {
-        return {
-          rotation: (die.rotation + rotation + 360) % 360,
-        };
-      },
-    );
-  };
-
-  return (
-    <React.Fragment>
-      <div className="dice-set-actions">
-        <img
-          src="./rotate-icon.png"
-          onClick={() => handleRotateButton(-90)}
-        ></img>
-        <img
-          src="./rotate-icon.png"
-          className="icon-inverted"
-          onClick={() => handleRotateButton(90)}
-        ></img>
-        <img src="./clean-icon.png" onClick={resetBoard}></img>
-        <img src="./commit-icon.png" onClick={commitBoard}></img>
-      </div>
-      <div className="dice-set">
-        {dice.map((die) => (
-          <Die die={die} handleDieClick={handleDieClick} />
-        ))}
-      </div>
-      <div className="special-dice-set">
-        {specialDice.map((die) => (
-          <Die die={die} handleDieClick={handleDieClick} />
-        ))}
-      </div>
-    </React.Fragment>
-  );
-};
-
-export default DiceSet;

web/src/pages/game/components/Die.scss

@@ -1,37 +0,0 @@
-.dice {
-    height: 150px;
-    width: 150px;
-    border: 2px solid black;
-    border-radius: 10%;
-
-    img{
-        border-radius: 10%;
-    }
-
-    &.selected {
-        box-shadow: 0 0 20px green;
-    }
-
-    &.disabled {
-        box-shadow: 0 0 20px grey;
-    }
-
-    &.rotate-90 {
-        transform: rotate(-90deg);
-    }
-
-    &.rotate-180 {
-        transform: rotate(180deg);
-    }
-
-    &.rotate-270 {
-        transform: rotate(90deg);
-    }
-
-    transition: transform 0.5s cubic-bezier(.47,1.64,.41,.8);
-}
-
-.special-dice-set .dice {
-    height: 80px;
-    width: 80px;
-}

web/src/pages/game/components/Die.tsx

@@ -1,25 +0,0 @@
-import "./Die.scss";
-import { DieViewProps } from "../types/DieViewProps";
-
-interface DieProps {
-  die: DieViewProps;
-  handleDieClick: (die: DieViewProps) => void;
-}
-
-const Die = (props: DieProps) => {
-  const { die, handleDieClick } = props;
-  const { pieceId, isSelected, isDisabled, rotation } = die;
-  const className =
-    "dice" +
-    (isSelected ? " selected" : "") +
-    (isDisabled ? " disabled" : "") +
-    ` rotate-${rotation}`;
-
-  return (
-    <div className={className} onClick={() => handleDieClick(die)}>
-      <img src={`pieces/${pieceId}.jpeg`}></img>
-    </div>
-  );
-};
-
-export default Die;

web/src/pages/game/components/GameBoard.scss

@@ -1,10 +0,0 @@
-.game-board {
-    height: 850px;
-    width: 850px;
-    min-height: 850px;
-    min-width: 850px;
-    display: grid;
-    grid-template-columns: repeat(7, auto);
-    gap: auto;
-    padding: 50px;
-}

web/src/pages/game/components/GameBoard.tsx

@@ -1,49 +0,0 @@
-import { Cell } from "interface";
-import "./GameBoard.scss";
-import BoardCell from "./BoardCell";
-import { DieViewProps } from "../types/DieViewProps";
-import { PlacePieceActionStack } from "../types/PlacePieceActionStack";
-import { PlacePieceAction } from "../types/PlacePieceAction";
-
-export interface GameBoardProps {
-  modifyDieState: (
-    matcher: (die: DieViewProps) => boolean,
-    newStateComputer: (die: DieViewProps) => Partial<DieViewProps>,
-  ) => void;
-  fetchDie: (
-    matcher: (die: DieViewProps) => boolean,
-  ) => DieViewProps | undefined;
-  setSpecialDieUsedInRound: React.Dispatch<React.SetStateAction<boolean>>;
-  refreshBoardRender: () => void;
-  board: Cell[][];
-  placePieceActionStack: PlacePieceActionStack;
-  setPlacePieceActionStack: React.Dispatch<
-    React.SetStateAction<PlacePieceActionStack>
-  >;
-}
-
-const GameBoard = (props: GameBoardProps) => {
-  const { board, placePieceActionStack, setPlacePieceActionStack } = props;
-
-  return (
-    <div className="game-board">
-      {board.flatMap((row, rowIndex) =>
-        row.map((cell, colIndex) => (
-          <BoardCell
-            {...props}
-            cell={cell}
-            placePieceActionHandler={(pieceId, rotation) => {
-              placePieceActionStack.executeAction(
-                new PlacePieceAction(pieceId, rotation, rowIndex, colIndex),
-                board,
-              );
-              setPlacePieceActionStack(placePieceActionStack);
-            }}
-          />
-        )),
-      )}
-    </div>
-  );
-};
-
-export default GameBoard;

web/src/pages/game/types/DieViewProps.ts

@@ -1,9 +0,0 @@
-import { PieceId } from "interface";
-
-export interface DieViewProps {
-  pieceId: PieceId;
-  isSelected: boolean;
-  isDisabled: boolean;
-  readonly isSpecial: boolean;
-  rotation: number;
-}

web/src/pages/game/types/PlacePieceAction.ts

@@ -1,32 +0,0 @@
-import { Cell, PieceId } from "interface";
-
-export class PlacePieceAction {
-  pieceId: PieceId;
-  rotation: number;
-  cell: {
-    row: number;
-    col: number;
-  };
-
-  constructor(pieceId: PieceId, rotation: number, row: number, col: number) {
-    this.pieceId = pieceId;
-    this.rotation = rotation;
-    this.cell = {
-      row: row,
-      col: col,
-    };
-  }
-
-  do(board: Cell[][]) {
-    const cell = board[this.cell.row][this.cell.col];
-    cell.placePiece(this.pieceId, this.rotation as 0 | 90 | 180 | 270);
-  }
-
-  undo(board: Cell[][]) {
-    const cell = board[this.cell.row][this.cell.col];
-    if (!cell.placedPiece || cell.placedPiece.id !== this.pieceId) {
-      throw Error("Un-doing action error");
-    }
-    cell.removePiece();
-  }
-}

web/src/pages/game/types/PlacePieceActionStack.ts

@@ -1,40 +0,0 @@
-import { Cell } from "interface";
-import { PlacePieceAction } from "./PlacePieceAction";
-
-export class PlacePieceActionStack {
-  readonly committedActions: PlacePieceAction[] = [];
-  inProgressActions: PlacePieceAction[] = [];
-
-  executeAction(action: PlacePieceAction, board: Cell[][]) {
-    action.do(board);
-    this.inProgressActions.push(action);
-  }
-
-  undoLastAction(board: Cell[][]) {
-    const lastAction = this.inProgressActions.pop();
-    if (!lastAction) {
-      throw Error("No in progress action to undo");
-    }
-    lastAction.undo(board);
-  }
-
-  resetActions(board: Cell[][]) {
-    try {
-      while (true) {
-        this.undoLastAction(board);
-      }
-    } catch (error) {
-      if (
-        !(error instanceof Error) ||
-        error.message !== "No in progress action to undo"
-      ) {
-        throw error;
-      }
-    }
-  }
-
-  commitActions() {
-    this.committedActions.push(...this.inProgressActions);
-    this.inProgressActions = [];
-  }
-}

web/src/pages/landing/LandingPage.tsx

@@ -1,55 +0,0 @@
-import {
-  CreateLobbyEvent,
-  handleCreateLobby,
-  handleJoinLobby,
-  JoinLobbyEvent,
-} from "interface";
-import React, { ChangeEvent } from "react";
-import { Socket } from "socket.io-client";
-
-export interface LandingPageProps {
-  socket: Socket;
-}
-
-const LandingPage = (props: LandingPageProps) => {
-  const { socket } = props;
-
-  const createLobbyPayload: CreateLobbyEvent = { userName: "" };
-  const joinLobbyPayload: JoinLobbyEvent = { userName: "", lobbyId: "" };
-  const registerUsername = (event: ChangeEvent<HTMLInputElement>) => {
-    createLobbyPayload.userName = event.target.value;
-    joinLobbyPayload.userName = event.target.value;
-  };
-  const registerLobbyId = (event: ChangeEvent<HTMLInputElement>) =>
-    (joinLobbyPayload.lobbyId = event.target.value);
-
-  return (
-    <React.Fragment>
-      <div className="landing-page-title">
-        <h1>Trains And Roads</h1>
-      </div>
-      <div className="user-name-input">
-        <input placeholder="Enter username" onChange={registerUsername}></input>
-      </div>
-      <div className="create-lobby-button">
-        <button onClick={() => handleCreateLobby(socket, createLobbyPayload)}>
-          Create Lobby
-        </button>
-      </div>
-      <div className="join-lobby">
-        <input
-          className="lobby-id-input"
-          placeholder="Enter Lobby Id"
-          onChange={registerLobbyId}
-        ></input>
-        <button
-          className="join-lobby-button secondary"
-          onClick={() => handleJoinLobby(socket, joinLobbyPayload)}
-        >
-          Join Lobby
-        </button>
-      </div>
-    </React.Fragment>
-  );
-};
-export default LandingPage;

web/src/pages/lobby/LobbyPage.scss

@@ -1,50 +0,0 @@
-.lobby-page {
-    height: 100%;
-    width: 100%;
-    padding: 2%;
-    margin: 0 auto;
-    text-align: center;
-
-    background: linear-gradient(-45deg, #03444a, #00a8a8, #f1bc52, #ff8f4b);
-    background-size: 400% 400%;
-    animation: gradient 15s ease infinite;
-    height: 100vh;
-
-    @keyframes gradient {
-        0% {
-            background-position: 0% 50%;
-        }
-        50% {
-            background-position: 100% 50%;
-        }
-        100% {
-            background-position: 0% 50%;
-        }
-    }
-
-    .lobby-page-body {
-        margin: auto;
-        width: 20%;
-        min-width: 300px;
-
-        .lobby-user-name {
-            margin: 0 auto 10px;
-            padding: 10px;
-            width: 60%;
-            border: 2px solid cyan;
-            border-radius: 10px;
-        }
-
-        .game-code {
-            margin: 0 auto 10px;
-            padding: 10px;
-            width: 60%;
-            border: 2px solid blue;
-            border-radius: 10px;
-        }
-
-        .start-game-button {
-            margin: 30px 0;
-        }
-    }
-}

web/src/pages/lobby/LobbyPage.tsx

@@ -1,39 +0,0 @@
-import { useState } from "react";
-import "./LobbyPage.scss";
-import { Socket } from "socket.io-client";
-import { attachHandlerToUpdateLobbyEvent, ClientEvent } from "interface";
-
-export interface LobbyPageProps {
-  initialPlayerNames: string[];
-  gameCode: string;
-  socket: Socket;
-}
-
-const LobbyPage = (props: LobbyPageProps) => {
-  const { initialPlayerNames, gameCode, socket } = props;
-  const [playerNames, setPlayerNames] = useState(initialPlayerNames);
-
-  attachHandlerToUpdateLobbyEvent(socket, (event) => {
-    setPlayerNames(event.playerNames);
-  });
-  const startGame = () => socket.emit(ClientEvent.START_GAME);
-
-  return (
-    <div className="lobby-page">
-      <div className="landing-page-title">
-        <h1>Trains And Roads</h1>
-      </div>
-      <div className="lobby-page-body">
-        {playerNames.map((name) => (
-          <article className="lobby-user-name">{name}</article>
-        ))}
-        <div className="start-game-button">
-          <button onClick={startGame}>Start Game</button>
-        </div>
-        <article className="game-code">Game code: {gameCode}</article>
-      </div>
-    </div>
-  );
-};
-
-export default LobbyPage;