refactored frontend

backend/controllers/roomController.js

@@ -23,14 +23,8 @@ const createNewRoom = data => {
     return room;
 };
 
-const findPlayer = async sessionID => {
-    const player = await Room.findOne({ 'players.sessionID': sessionID }).exec();
-    console.log(player);
-    return await Room.findOne({ 'players.sessionID': sessionID }).exec();
-};
-
 Room.watch().on('change', async data => {
     sendToPlayersData(await getRoom(data.documentKey._id));
 });
 
-module.exports = { getRoom, getRooms, updateRoom, getJoinableRoom, createNewRoom, findPlayer };
+module.exports = { getRoom, getRooms, updateRoom, getJoinableRoom, createNewRoom };

backend/handlers/gameHandler.js

@@ -1,6 +1,5 @@
 const { getRoom, updateRoom } = require('../controllers/roomController');
 const { sendToPlayersRolledNumber } = require('../socket/emits');
-const { getPawnPositionAfterMove } = require('../utils/functions');
 const { rollDice, isMoveValid } = require('./handlersFunctions');
 
 module.exports = socket => {
@@ -10,7 +9,7 @@ module.exports = socket => {
         const room = await getRoom(req.session.roomId);
         const pawn = room.getPawn(pawnId);
         if (isMoveValid(req.session, pawn, room)) {
-            const newPositionOfMovedPawn = getPawnPositionAfterMove(room.rolledNumber, pawn);
+            const newPositionOfMovedPawn = pawn.getPositionAfterMove(room.rolledNumber);
             room.changePositionOfPawn(pawn, newPositionOfMovedPawn);
             room.beatPawns(newPositionOfMovedPawn, req.session.color);
             room.changeMovingPlayer();

backend/handlers/roomHandler.js

@@ -1,5 +1,5 @@
 const { getRooms, getRoom, updateRoom, createNewRoom } = require('../controllers/roomController');
-const { sendToOnePlayerRooms, sendToOnePlayerData, sendToPlayersData } = require('../socket/emits');
+const { sendToOnePlayerRooms, sendToOnePlayerData } = require('../socket/emits');
 
 module.exports = socket => {
     const req = socket.request;

backend/models/pawn.js

@@ -2,8 +2,6 @@ const mongoose = require('mongoose');
 
 const Schema = mongoose.Schema;
 
-const { getPawnPositionAfterMove } = require('../utils/functions');
-
 const PawnSchema = new Schema({
     color: String,
     basePos: Number,
@@ -15,10 +13,70 @@ PawnSchema.methods.canMove = function (rolledNumber) {
         return true;
     }
     // (if player's pawn is near finish line) if the move does not go beyond the win line
-    if (this.position !== getPawnPositionAfterMove(rolledNumber, this) && this.position !== this.basePos) {
+    if (this.position !== this.getPositionAfterMove(rolledNumber) && this.position !== this.basePos) {
         return true;
     }
     return false;
 };
 
+PawnSchema.methods.getPositionAfterMove = function (rolledNumber) {
+    const { position, color } = this;
+    switch (color) {
+        case 'red':
+            if (position + rolledNumber <= 73) {
+                if (position >= 0 && position <= 3) {
+                    return 16;
+                } else if (position <= 66 && position + rolledNumber >= 67) {
+                    return position + rolledNumber + 1;
+                } else {
+                    return position + rolledNumber;
+                }
+            } else {
+                return position;
+            }
+        case 'blue':
+            if (position + rolledNumber <= 79) {
+                if (position >= 4 && position <= 7) {
+                    return 55;
+                } else if (position <= 67 && position + rolledNumber > 67) {
+                    return position + rolledNumber - 52;
+                } else if (position <= 53 && position + rolledNumber >= 54) {
+                    return position + rolledNumber + 20;
+                } else {
+                    return position + rolledNumber;
+                }
+            } else {
+                return position;
+            }
+        case 'green':
+            if (position + rolledNumber <= 85) {
+                if (position >= 8 && position <= 11) {
+                    return 42;
+                } else if (position <= 67 && position + rolledNumber > 67) {
+                    return position + rolledNumber - 52;
+                } else if (position <= 40 && position + rolledNumber >= 41) {
+                    return position + rolledNumber + 39;
+                } else {
+                    return position + rolledNumber;
+                }
+            } else {
+                return position;
+            }
+        case 'yellow':
+            if (position + rolledNumber <= 85) {
+                if (position >= 12 && position <= 15) {
+                    return 29;
+                } else if (position <= 67 && position + rolledNumber > 67) {
+                    return position + rolledNumber - 52;
+                } else if (position <= 27 && position + rolledNumber >= 28) {
+                    return position + rolledNumber + 58;
+                } else {
+                    return position + rolledNumber;
+                }
+            } else {
+                return position;
+            }
+    }
+};
+
 module.exports = PawnSchema;

backend/models/room.js

@@ -1,6 +1,5 @@
 const mongoose = require('mongoose');
 const { colors } = require('../utils/constants');
-const { getPawnPositionAfterMove, getStartPositions } = require('../utils/functions');
 const { makeRandomMove } = require('../handlers/handlersFunctions');
 const PawnSchema = require('./pawn');
 const PlayerSchema = require('./player');
@@ -16,7 +15,23 @@ const RoomSchema = new mongoose.Schema({
     timeoutID: Number,
     rolledNumber: Number,
     players: [PlayerSchema],
-    pawns: { type: [PawnSchema], default: getStartPositions() },
+    pawns: {
+        type: [PawnSchema],
+        default: () => {
+            const startPositions = [];
+            for (let i = 0; i < 16; i++) {
+                let pawn = {};
+                pawn.basePos = i;
+                pawn.position = i;
+                if (i < 4) pawn.color = colors[0];
+                else if (i < 8) pawn.color = colors[1];
+                else if (i < 12) pawn.color = colors[2];
+                else if (i < 16) pawn.color = colors[3];
+                startPositions.push(pawn);
+            }
+            return startPositions;
+        },
+    },
 });
 
 RoomSchema.methods.beatPawns = function (position, attackingPawnColor) {
@@ -44,7 +59,7 @@ RoomSchema.methods.changeMovingPlayer = function () {
 };
 
 RoomSchema.methods.movePawn = function (pawn) {
-    const newPositionOfMovedPawn = getPawnPositionAfterMove(this.rolledNumber, pawn);
+    const newPositionOfMovedPawn = pawn.getPositionAfterMove(this.rolledNumber);
     this.changePositionOfPawn(pawn, newPositionOfMovedPawn);
     this.beatPawns(newPositionOfMovedPawn, pawn.color);
 };

src/App.js

@@ -2,7 +2,7 @@ import React, { useEffect, useState, createContext } from 'react';
 import { io } from 'socket.io-client';
 import { BrowserRouter as Router, Route, Redirect, Switch } from 'react-router-dom';
 import ReactLoading from 'react-loading';
-import Gameboard from './components/Gameboard';
+import Gameboard from './components/Gameboard/Gameboard';
 import LoginPage from './components/LoginPage/LoginPage';
 
 export const PlayerDataContext = createContext();

src/components/Gameboard/Dice/Dice.jsx

@@ -1,24 +1,28 @@
-import React, { useState, useEffect, useContext } from 'react';
-import { SocketContext } from '../../App';
-import one from '../../images/dice/1.png';
-import two from '../../images/dice/2.png';
-import three from '../../images/dice/3.png';
-import four from '../../images/dice/4.png';
-import five from '../../images/dice/5.png';
-import six from '../../images/dice/6.png';
-import roll from '../../images/dice/roll.png';
+import React, { useEffect, useContext } from 'react';
+import { SocketContext } from '../../../App';
+import one from '../../../images/dice/1.png';
+import two from '../../../images/dice/2.png';
+import three from '../../../images/dice/3.png';
+import four from '../../../images/dice/4.png';
+import five from '../../../images/dice/5.png';
+import six from '../../../images/dice/6.png';
+import roll from '../../../images/dice/roll.png';
 
 const Dice = ({ rolledNumberCallback, rolledNumber, nowMoving, color, movingPlayer }) => {
     const socket = useContext(SocketContext);
-    const [images] = useState([one, two, three, four, five, six, roll]);
+
+    const images = [one, two, three, four, five, six, roll];
+
     const handleRoll = () => {
         socket.emit('game:roll');
     };
+
     useEffect(() => {
         socket.on('game:roll', number => {
             rolledNumberCallback(number);
         });
     }, []);
+
     return (
         <div className={`dice-container dice-${color}`}>
             {movingPlayer === color ? (

src/components/Gameboard/Gameboard.jsx

@@ -1,17 +1,16 @@
-import React, { useState, useEffect, useContext, useCallback } from 'react';
+import React, { useState, useEffect, useContext } from 'react';
 import ReactLoading from 'react-loading';
-import { PlayerDataContext, SocketContext } from '../App';
-import Map from './game-board-components/Map';
-import Navbar from './Navbar';
+import { PlayerDataContext, SocketContext } from '../../App';
+import Map from './Map/Map';
+import Navbar from '../Navbar/Navbar';
 
 const Gameboard = () => {
-    // Context data
     const socket = useContext(SocketContext);
     const context = useContext(PlayerDataContext);
-    // Render data
+
     const [pawns, setPawns] = useState([]);
     const [players, setPlayers] = useState([]);
-    // Game logic data
+
     const [rolledNumber, setRolledNumber] = useState(null);
     const [time, setTime] = useState();
     const [isReady, setIsReady] = useState();
@@ -19,7 +18,8 @@ const Gameboard = () => {
     const [started, setStarted] = useState(false);
 
     const [movingPlayer, setMovingPlayer] = useState('red');
-    const checkWin = useCallback(() => {
+
+    const checkWin = () => {
         // Player wins when all pawns with same color are inside end base
         if (pawns.filter(pawn => pawn.color === 'red' && pawn.position === 73).length === 4) {
             alert('Red Won');
@@ -30,7 +30,8 @@ const Gameboard = () => {
         } else if (pawns.filter(pawn => pawn.color === 'yellow' && pawn.position === 91).length === 4) {
             alert('Yellow Won');
         }
-    }, [pawns]);
+    };
+
     useEffect(() => {
         socket.emit('room:data', context.roomId);
         socket.on('room:data', data => {
@@ -59,9 +60,8 @@ const Gameboard = () => {
             setTime(data.nextMoveTime);
             setStarted(data.started);
         });
-    }, []);
+    }, [socket]);
 
-    // Callback to handle dice rolling between dice and map component
     const rolledNumberCallback = number => {
         setRolledNumber(number);
     };

src/components/Gameboard/Map/Map.jsx

@@ -0,0 +1,111 @@
+import React, { useEffect, useRef, useState, useContext } from 'react';
+import { PlayerDataContext, SocketContext } from '../../../App';
+
+import mapImage from '../../../images/map.jpg';
+import positions from '../positions';
+import pawnImages from '../../../constants/pawnImages';
+import canPawnMove from './canPawnMove';
+import getPositionAfterMove from './getPositionAfterMove';
+
+const Map = ({ pawns, nowMoving, rolledNumber }) => {
+    const player = useContext(PlayerDataContext);
+    const socket = useContext(SocketContext);
+    const canvasRef = useRef(null);
+
+    const [hintPawn, setHintPawn] = useState();
+
+    const paintPawn = (context, x, y, color) => {
+        const touchableArea = new Path2D();
+        touchableArea.arc(x, y, 12, 0, 2 * Math.PI);
+        const image = new Image();
+        image.src = pawnImages[color];
+        image.onload = function () {
+            context.drawImage(image, x - 17, y - 14, 35, 30);
+        };
+        return touchableArea;
+    };
+
+    const handleCanvasClick = event => {
+        if (hintPawn) {
+            const canvas = canvasRef.current;
+            const ctx = canvas.getContext('2d');
+            const rect = canvas.getBoundingClientRect(),
+                cursorX = event.clientX - rect.left,
+                cursorY = event.clientY - rect.top;
+            for (const pawn of pawns) {
+                if (ctx.isPointInPath(pawn.touchableArea, cursorX, cursorY)) {
+                    socket.emit('game:move', pawn._id);
+                }
+            }
+            setHintPawn(null);
+        }
+    };
+
+    const handleMouseMove = event => {
+        if (nowMoving && rolledNumber) {
+            const canvas = canvasRef.current;
+            const ctx = canvas.getContext('2d');
+            const rect = canvas.getBoundingClientRect(),
+                x = event.clientX - rect.left,
+                y = event.clientY - rect.top;
+            canvas.style.cursor = 'default';
+            for (const pawn of pawns) {
+                if (pawn.touchableArea) {
+                    if (
+                        ctx.isPointInPath(pawn.touchableArea, x, y) &&
+                        player.color === pawn.color &&
+                        canPawnMove(pawn, rolledNumber)
+                    ) {
+                        const pawnPosition = getPositionAfterMove(pawn, rolledNumber);
+                        if (pawnPosition) {
+                            canvas.style.cursor = 'pointer';
+                            setHintPawn({ id: pawn._id, position: pawnPosition, color: 'grey' });
+                            break;
+                        }
+                    } else {
+                        setHintPawn(null);
+                    }
+                } else {
+                    setHintPawn(null);
+                }
+            }
+        } else {
+            setHintPawn(null);
+        }
+    };
+    const rerenderCanvas = () => {
+        const canvas = canvasRef.current;
+        const ctx = canvas.getContext('2d');
+        const image = new Image();
+        image.src = mapImage;
+        image.onload = function () {
+            ctx.drawImage(image, 0, 0);
+            pawns.forEach((pawn, index) => {
+                pawns[index].touchableArea = paintPawn(
+                    ctx,
+                    positions[pawn.position].x,
+                    positions[pawn.position].y,
+                    pawn.color
+                );
+            });
+            if (hintPawn) {
+                paintPawn(ctx, positions[hintPawn.position].x, positions[hintPawn.position].y, hintPawn.color);
+            }
+        };
+    };
+    useEffect(() => {
+        rerenderCanvas();
+    }, [hintPawn, pawns, rerenderCanvas]);
+
+    return (
+        <canvas
+            className='canvas-container'
+            width={460}
+            height={460}
+            ref={canvasRef}
+            onClick={handleCanvasClick}
+            onMouseMove={handleMouseMove}
+        />
+    );
+};
+export default Map;

src/components/Gameboard/Map/canPawnMove.js

@@ -0,0 +1,26 @@
+export default (pawn, rolledNumber) => {
+    // If is in base
+    if ((rolledNumber === 1 || rolledNumber === 6) && pawn.position === pawn.basePos) {
+        return true;
+        // Other situations: pawn is on map or pawn is in end positions
+    } else if (pawn.position !== pawn.basePos) {
+        switch (pawn.color) {
+            case 'red':
+                if (pawn.position + rolledNumber <= 73) return true;
+                break;
+            case 'blue':
+                if (pawn.position + rolledNumber <= 79) return true;
+                break;
+            case 'green':
+                if (pawn.position + rolledNumber <= 85) return true;
+                break;
+            case 'yellow':
+                if (pawn.position + rolledNumber <= 91) return true;
+                break;
+            default:
+                return false;
+        }
+    } else {
+        return false;
+    }
+};

src/components/Gameboard/Map/getPositionAfterMove.js

@@ -1,19 +1,4 @@
-const { colors } = require('./constants');
-function getStartPositions() {
-    const startPositions = [];
-    for (let i = 0; i < 16; i++) {
-        let pawn = {};
-        pawn.basePos = i;
-        pawn.position = i;
-        if (i < 4) pawn.color = colors[0];
-        else if (i < 8) pawn.color = colors[1];
-        else if (i < 12) pawn.color = colors[2];
-        else if (i < 16) pawn.color = colors[3];
-        startPositions.push(pawn);
-    }
-    return startPositions;
-}
-function getPawnPositionAfterMove(rolledNumber, pawn) {
+export default (pawn, rolledNumber) => {
     const { position, color } = pawn;
     switch (color) {
         case 'red':
@@ -71,5 +56,4 @@ function getPawnPositionAfterMove(rolledNumber, pawn) {
                 return position;
             }
     }
-}
-module.exports = { getStartPositions, getPawnPositionAfterMove };
+};

src/components/LoginPage/AddServer/AddServer.jsx

@@ -10,7 +10,6 @@ const AddServer = () => {
 
     useEffect(() => {
         socket.on('room:created', () => {
-            console.log('ewa');
             socket.emit('room:rooms');
         });
     }, []);

src/components/LoginPage/NameInput/NameInput.jsx

@@ -1,13 +1,14 @@
 import React, { useState, useContext, useEffect } from 'react';
 import { SocketContext } from '../../../App';
+import useInput from '../../../hooks/useInput';
 import './NameInput.css';
 const NameInput = ({ isRoomPrivate, roomId }) => {
     const socket = useContext(SocketContext);
-    const [nickname, setNickname] = useState('');
-    const [password, setPassword] = useState('');
+    const nickname = useInput('');
+    const password = useInput('');
     const [isPasswordWrong, setIsPasswordWrong] = useState(false);
     const handleButtonClick = () => {
-        socket.emit('player:login', { name: nickname, password: password, roomId: roomId });
+        socket.emit('player:login', { name: nickname.value, password: password.value, roomId: roomId });
     };
     useEffect(() => {
         socket.on('error:wrongPassword', () => {
@@ -28,12 +29,12 @@ const NameInput = ({ isRoomPrivate, roomId }) => {
     return (
         <div className='name-overlay'>
             <div className='name-input-container' style={{ height: isRoomPrivate ? '100px' : '50px' }}>
-                <input placeholder='Nickname' type='text' onChange={e => setNickname(e.target.value)} />
+                <input placeholder='Nickname' type='text' onChange={nickname.onChange} />
                 {isRoomPrivate ? (
                     <input
                         placeholder='Room password'
                         type='text'
-                        onChange={e => setPassword(e.target.value)}
+                        onChange={password.onChange}
                         style={{ backgroundColor: isPasswordWrong ? 'red' : null }}
                     />
                 ) : null}

src/components/LoginPage/ServerList/ServerList.jsx

@@ -12,7 +12,7 @@ const ServerList = () => {
     const [rooms, setRooms] = useState([]);
     const [joining, setJoining] = useState(false);
     const [clickedRoom, setClickedRoom] = useState(null);
-    useEffect(async () => {
+    useEffect(() => {
         socket.emit('room:rooms');
         socket.on('room:rooms', data => {
             data = JSON.parse(data);
@@ -70,9 +70,7 @@ const ServerList = () => {
                     </div>
                 )}
             </div>
-            {joining ? (
-                <NameInput roomId={clickedRoom._id} isRoomPrivate={clickedRoom.private} />
-            ) : null}
+            {joining ? <NameInput roomId={clickedRoom._id} isRoomPrivate={clickedRoom.private} /> : null}
         </div>
     );
 };

src/components/Navbar/NameContainer/AnimatedOverlay/AnimatedOverlay.jsx

@@ -1,13 +1,9 @@
-import React, { useState, useEffect } from 'react';
+import React, { useMemo } from 'react';
 import { CSSTransition } from 'react-transition-group';
 import './TimerAnimation.js';
 
 const AnimatedOverlay = ({ time }) => {
-    const [animationDelay, setAnimationDelay] = useState();
-
-    useEffect(() => {
-        setAnimationDelay(15 - Math.ceil((time - Date.now()) / 1000));
-    }, [time]);
+    const animationDelay = useMemo(() => 15 - Math.ceil((time - Date.now()) / 1000), [time]);
 
     return (
         <CSSTransition

src/components/Navbar/NameContainer/NameContainer.jsx

@@ -1,6 +1,6 @@
 import React from 'react';
 import PropTypes from 'prop-types';
-import AnimatedOverlay from './AnimatedOverlay';
+import AnimatedOverlay from './AnimatedOverlay/AnimatedOverlay';
 
 const NameContainer = ({ player, time }) => {
     return (

src/components/Navbar/Navbar.jsx

@@ -1,10 +1,10 @@
 import React from 'react';
-import Dice from './game-board-components/Dice';
-import NameContainer from './navbar-components/NameContainer';
-import ReadyButton from './navbar-components/ReadyButton';
+import Dice from '../Gameboard/Dice/Dice';
+import NameContainer from './NameContainer/NameContainer';
+import ReadyButton from './ReadyButton/ReadyButton';
 import './Navbar.css';
 import { useContext } from 'react';
-import { PlayerDataContext } from '../App';
+import { PlayerDataContext } from '../../App';
 const Navbar = ({ players, started, time, isReady, rolledNumber, nowMoving, rolledNumberCallback, movingPlayer }) => {
     const context = useContext(PlayerDataContext);
     const colors = ['red', 'blue', 'green', 'yellow'];

src/components/Navbar/ReadyButton/ReadyButton.jsx

@@ -1,19 +1,17 @@
 import React, { useState, useContext, useEffect } from 'react';
-import { SocketContext } from '../../App';
+import { SocketContext } from '../../../App';
 import Switch from '@material-ui/core/Switch';
 import '../Navbar.css';
-import './TimerAnimation';
+import '../NameContainer/AnimatedOverlay/TimerAnimation';
 
 const ReadyButton = ({ isReady }) => {
     const socket = useContext(SocketContext);
-    const [checked, setChecked] = useState();
+    const [checked, setChecked] = useState(isReady);
+
     const handleCheckboxChange = () => {
         socket.emit('player:ready');
         setChecked(!checked);
     };
-    useEffect(() => {
-        setChecked(isReady);
-    });
     return (
         <div className='ready-container'>
             <Switch onChange={handleCheckboxChange} checked={checked || false} />

src/components/game-board-components/Map.jsx

@@ -1,230 +0,0 @@
-import React, { useEffect, useRef, useState, useContext, useCallback } from 'react';
-import { PlayerDataContext, SocketContext } from '../../App';
-import positions from './positions';
-import bluePawn from '../../images/pawns/blue-pawn.png';
-import greenPawn from '../../images/pawns/green-pawn.png';
-import yellowPawn from '../../images/pawns/yellow-pawn.png';
-import redPawn from '../../images/pawns/red-pawn.png';
-import greyPawn from '../../images/pawns/grey-pawn.png';
-const Map = ({ pawns, nowMoving, rolledNumber }) => {
-    const context = useContext(PlayerDataContext);
-    const socket = useContext(SocketContext);
-    const [hintPawn, setHintPawn] = useState();
-    const paintPawn = (context, x, y, color) => {
-        const circle = new Path2D();
-        circle.arc(x, y, 12, 0, 2 * Math.PI);
-        const image = new Image();
-        switch (color) {
-            case 'green':
-                image.src = greenPawn;
-                break;
-            case 'blue':
-                image.src = bluePawn;
-                break;
-            case 'red':
-                image.src = redPawn;
-                break;
-            case 'yellow':
-                image.src = yellowPawn;
-                break;
-            case 'grey':
-                image.src = greyPawn;
-                break;
-        }
-        context.drawImage(image, x - 17, y - 14, 35, 30);
-        return circle;
-    };
-
-    const canvasRef = useRef(null);
-
-    // Return true when pawn can move
-    const checkIfPawnCanMove = useCallback(
-        pawn => {
-            // If is in base
-            if ((rolledNumber === 1 || rolledNumber === 6) && pawn.position === pawn.basePos) {
-                return true;
-                // Other situations: pawn is on map or pawn is in end positions
-            } else if (pawn.position !== pawn.basePos) {
-                switch (pawn.color) {
-                    case 'red':
-                        if (pawn.position + rolledNumber <= 73) return true;
-                        break;
-                    case 'blue':
-                        if (pawn.position + rolledNumber <= 79) return true;
-                        break;
-                    case 'green':
-                        if (pawn.position + rolledNumber <= 85) return true;
-                        break;
-                    case 'yellow':
-                        if (pawn.position + rolledNumber <= 91) return true;
-                        break;
-                    default:
-                        return false;
-                }
-            } else {
-                return false;
-            }
-        },
-        [rolledNumber]
-    );
-
-    const handleCanvasClick = event => {
-        // If hint pawn exist it means that pawn can move
-        if (hintPawn) {
-            const canvas = canvasRef.current;
-            const ctx = canvas.getContext('2d');
-            const rect = canvas.getBoundingClientRect(),
-                x = event.clientX - rect.left,
-                y = event.clientY - rect.top;
-            for (const pawn of pawns) {
-                if (ctx.isPointInPath(pawn.circle, x, y)) {
-                    socket.emit('game:move', pawn._id);
-                }
-            }
-            setHintPawn(null);
-        }
-    };
-    const getHintPawnPosition = pawn => {
-        // Based on color (because specific color have specific base and end positions)
-        let { position } = pawn;
-        switch (context.color) {
-            case 'red':
-                // When in base
-                if (position >= 0 && position <= 3) {
-                    return 16;
-                    // Next to end
-                } else if (position <= 66 && position + rolledNumber >= 67) {
-                    return position + rolledNumber + 1; // 1 is difference between last position on map and first on end
-                    // Normal move
-                } else {
-                    return position + rolledNumber;
-                }
-            case 'blue':
-                // When in base
-                if (position >= 4 && position <= 7) {
-                    return 55;
-                    // Next to red base
-                } else if (position <= 67 && position + rolledNumber > 67) {
-                    return position + rolledNumber - 52;
-                    // Next to base
-                } else if (position <= 53 && position + rolledNumber >= 54) {
-                    return position + rolledNumber + 20;
-                    // Normal move
-                } else {
-                    return position + rolledNumber;
-                }
-            case 'green':
-                // When in base
-                if (position >= 8 && position <= 11) {
-                    return 42;
-                    // Next to red base
-                } else if (position <= 67 && position + rolledNumber > 67) {
-                    return position + rolledNumber - 52;
-                    // Next to base
-                } else if (position <= 40 && position + rolledNumber >= 41) {
-                    return position + rolledNumber + 39;
-                    // Normal move
-                } else {
-                    return position + rolledNumber;
-                }
-            case 'yellow':
-                // When in base
-                if (position >= 12 && position <= 15) {
-                    return 29;
-                    // Next to red base
-                } else if (position <= 67 && position + rolledNumber > 67) {
-                    return position + rolledNumber - 52;
-                    // Next to base
-                } else if (position <= 27 && position + rolledNumber >= 28) {
-                    return position + rolledNumber + 58;
-                    // Normal move
-                } else {
-                    return position + rolledNumber;
-                }
-            default:
-                return position;
-        }
-    };
-    const handleMouseMove = event => {
-        if (nowMoving && rolledNumber) {
-            const canvas = canvasRef.current;
-            const ctx = canvas.getContext('2d');
-            // Gets x and y cords of mouse on canvas
-            const rect = canvas.getBoundingClientRect(),
-                x = event.clientX - rect.left,
-                y = event.clientY - rect.top;
-            canvas.style.cursor = 'default';
-            for (const pawn of pawns) {
-                if (pawn.circle) {
-                    /*
-                        This condition checks if mouse location is:
-                        1) on pawn
-                        2) is color of pawn same as player's
-                        3) if pawn can move
-                        And then sets cursor to pointer and paints hint pawn - where will be pawn after click
-                    */
-                    if (
-                        ctx.isPointInPath(pawn.circle, x, y) &&
-                        context.color === pawn.color &&
-                        checkIfPawnCanMove(pawn)
-                    ) {
-                        const pawnPosition = getHintPawnPosition(pawn);
-                        // Checks if pawn can make a move
-                        if (pawnPosition) {
-                            canvas.style.cursor = 'pointer';
-                            setHintPawn({ id: pawn._id, position: pawnPosition, color: 'grey' });
-                            break;
-                        }
-                    } else {
-                        setHintPawn(null);
-                    }
-                }
-            }
-        }
-    };
-    const rerenderCanvas = useCallback(() => {
-        const canvas = canvasRef.current;
-        const ctx = canvas.getContext('2d');
-        const image = new Image();
-        image.src = 'https://img-9gag-fun.9cache.com/photo/a8GdpYZ_460s.jpg';
-        image.onload = function () {
-            ctx.drawImage(image, 0, 0);
-            pawns.forEach((pawn, index) => {
-                pawns[index].circle = paintPawn(
-                    ctx,
-                    positions[pawn.position].x,
-                    positions[pawn.position].y,
-                    pawn.color
-                );
-            });
-            if (hintPawn) {
-                paintPawn(ctx, positions[hintPawn.position].x, positions[hintPawn.position].y, hintPawn.color);
-            }
-        };
-    }, [checkIfPawnCanMove, context.color, hintPawn, nowMoving, pawns, rolledNumber]);
-
-    // Rerender canvas when pawns have changed
-    useEffect(() => {
-        rerenderCanvas();
-    }, [hintPawn, pawns, rerenderCanvas]);
-
-    useEffect(() => {
-        socket.on('game:move', () => {
-            setHintPawn(null);
-        });
-        socket.on('game:roll', () => {
-            setHintPawn(null);
-        });
-    }, [socket]);
-    return (
-        <canvas
-            className='canvas-container'
-            width={460}
-            height={460}
-            ref={canvasRef}
-            onClick={handleCanvasClick}
-            onMouseMove={handleMouseMove}
-        />
-    );
-};
-export default Map;

src/constants/pawnImages.js

@@ -0,0 +1,13 @@
+import bluePawn from '../images/pawns/blue-pawn.png';
+import greenPawn from '../images/pawns/green-pawn.png';
+import redPawn from '../images/pawns/red-pawn.png';
+import yellowPawn from '../images/pawns/yellow-pawn.png';
+import greyPawn from '../images/pawns/grey-pawn.png';
+
+export default {
+    green: greenPawn,
+    blue: bluePawn,
+    red: redPawn,
+    yellow: yellowPawn,
+    grey: greyPawn,
+};

src/constants/positions.js

@@ -0,0 +1,117 @@
+const positions = [
+    // Red base
+    { x: 67, y: 67 }, // 0
+    { x: 67, y: 116 },
+    { x: 117, y: 67 },
+    { x: 117, y: 116 },
+    // Blue base
+    { x: 67, y: 343 },
+    { x: 67, y: 392 },
+    { x: 117, y: 343 },
+    { x: 117, y: 392 },
+    // Green base
+    { x: 343, y: 343 },
+    { x: 392, y: 392 },
+    { x: 392, y: 343 }, // 10
+    { x: 343, y: 392 },
+    // Yellow base
+    { x: 343, y: 67 },
+    { x: 392, y: 116 },
+    { x: 392, y: 67 },
+    { x: 343, y: 116 },
+    // Map - starting from red field
+    { x: 45, y: 200 },
+    { x: 76, y: 200 },
+    { x: 107, y: 200 },
+    { x: 138, y: 200 },
+    { x: 169, y: 200 }, // 20
+
+    { x: 200, y: 169 },
+    { x: 200, y: 138 },
+    { x: 200, y: 107 },
+    { x: 200, y: 76 },
+    { x: 200, y: 45 },
+    { x: 200, y: 14 },
+    // Top
+    { x: 230, y: 14 },
+    { x: 261, y: 14 },
+    { x: 261, y: 45 },
+    { x: 261, y: 76 }, // 30
+    { x: 261, y: 107 },
+    { x: 261, y: 138 },
+    { x: 261, y: 169 },
+
+    { x: 291, y: 200 },
+    { x: 321, y: 200 },
+    { x: 352, y: 200 },
+    { x: 383, y: 200 },
+    { x: 414, y: 200 },
+    { x: 445, y: 200 },
+    // Right
+    { x: 445, y: 230 }, // 40
+
+    { x: 445, y: 261 },
+    { x: 414, y: 261 },
+    { x: 383, y: 261 },
+    { x: 352, y: 261 },
+    { x: 321, y: 261 },
+    { x: 291, y: 261 },
+
+    { x: 261, y: 291 },
+    { x: 261, y: 322 },
+    { x: 261, y: 353 },
+    { x: 261, y: 384 }, // 50
+    { x: 261, y: 414 },
+    { x: 261, y: 445 },
+    // Bottom
+    { x: 230, y: 445 },
+
+    { x: 200, y: 445 },
+    { x: 200, y: 414 },
+    { x: 200, y: 384 },
+    { x: 200, y: 353 },
+    { x: 200, y: 322 },
+    { x: 200, y: 291 },
+
+    { x: 169, y: 261 }, // 60
+    { x: 138, y: 261 },
+    { x: 107, y: 261 },
+    { x: 76, y: 261 },
+    { x: 45, y: 261 },
+
+    { x: 15, y: 261 },
+    // Left
+    { x: 15, y: 231 }, // 66
+    // One behind red base
+    { x: 15, y: 200 }, //67
+    // Red end
+    { x: 45, y: 231 }, // 68
+    { x: 76, y: 231 },
+    { x: 107, y: 231 },
+    { x: 138, y: 231 },
+    { x: 169, y: 231 },
+    { x: 200, y: 231 }, // 73
+    // Blue end
+    { x: 231, y: 414 }, // 74
+    { x: 231, y: 384 },
+    { x: 231, y: 353 },
+    { x: 231, y: 322 },
+    { x: 231, y: 291 },
+    { x: 231, y: 260 }, // 79
+    // Green end
+    { x: 414, y: 231 }, // 80
+    { x: 383, y: 231 },
+    { x: 352, y: 231 },
+    { x: 321, y: 231 },
+    { x: 290, y: 231 },
+    { x: 259, y: 231 }, // 85
+    // Yellow base
+    { x: 230, y: 45 }, // 86
+    { x: 230, y: 76 },
+    { x: 230, y: 107 },
+    { x: 230, y: 138 },
+    { x: 230, y: 169 },
+    { x: 230, y: 200 }, // 91
+];
+
+export default positions;

src/hooks/useInput.js

@@ -0,0 +1,11 @@
+import { useState } from 'react';
+export default function useInput({ initialValue }) {
+    const [value, setValue] = useState(initialValue);
+    const handleChange = e => {
+        setValue(e.target.value);
+    };
+    return {
+        value,
+        onChange: handleChange,
+    };
+}