15 files changed, 380 insertions, 142 deletions
diff --git a/src/components/App.js b/src/components/App.js
new file mode 100644
index 0000000..db5af1b
--- /dev/null
+++ b/src/components/App.js
@@ -0,0 +1,90 @@
+/*
+ * Tic Tac Toe - Minimalistic Tic Tac Toe
+ * Copyright (C) 2021  Vidhu Kant Sharma
+ * 
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ * 
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more details.
+ * 
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+import React, { useState } from 'react';
+import GamemodeChooser from './GamemodeChooser';
+import MessageBox from './MessageBox';
+import ScoreBoard from './ScoreBoard';
+import Grid from './Grid';
+import MultiplayerGrid from './MultiplayerGrid';
+import Footer from './Footer';
+import './style.css';
+
+const App = () => {
+  const [gameStarted, setGameStarted] = useState(false);
+  const [multiplayer, setMultiplayer] = useState(false);
+  const [scoreX, setScoreX] = useState(0);
+  const [scoreO, setScoreO] = useState(0);
+  const [turn, setTurn] = useState(1);
+  const [showMessageBox, setShowMessageBox] = useState(false);
+  const [message, setMessage] = useState("");
+  const [isHost, setIsHost] = useState(false);
+
+  return gameStarted ? (
+    <>
+      {showMessageBox && 
+        <MessageBox 
+          message={message} 
+          setShowMessage={setShowMessageBox}
+        />
+      }
+
+      <ScoreBoard 
+        turn={turn} 
+        scoreX={scoreX} 
+        scoreO={scoreO}
+        multiplayer={multiplayer}
+        isHost={isHost}
+      />
+
+      {multiplayer ? <MultiplayerGrid 
+          turn={turn} 
+          isHost={isHost}
+          setTurn={setTurn} 
+          scoreX={scoreX} 
+          setScoreX={setScoreX} 
+          scoreO={scoreO} 
+          setScoreO={setScoreO} 
+          setMessage={setMessage} 
+          setShowMessage={setShowMessageBox}
+        /> : <Grid 
+          turn={turn} 
+          setTurn={setTurn} 
+          scoreX={scoreX} 
+          setScoreX={setScoreX} 
+          scoreO={scoreO} 
+          setScoreO={setScoreO} 
+          setMessage={setMessage} 
+          setShowMessage={setShowMessageBox}
+        />
+      }
+
+      <Footer/>
+    </>
+  ) : (
+    <>
+      <GamemodeChooser
+        setMultiplayer={setMultiplayer}
+        setGameStarted={setGameStarted}
+        setIsHost={setIsHost}
+      />
+      <Footer/>
+    </>
+  );
+}
+
+export default App;
diff --git a/src/components/App.tsx b/src/components/App.tsx
deleted file mode 100644
index 6a9c60e..0000000
--- a/src/components/App.tsx
+++ /dev/null
@@ -1,42 +0,0 @@
-/*
- * Tic Tac Toe - Minimalistic Tic Tac Toe
- * Copyright (C) 2021  Vidhu Kant Sharma
- * 
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- * 
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- * 
- * You should have received a copy of the GNU General Public License
- * along with this program.  If not, see <https://www.gnu.org/licenses/>.
- */
-
-import React, { useState } from 'react';
-import MessageBox from './MessageBox';
-import ScoreBoard from './ScoreBoard';
-import Grid from './Grid';
-import Footer from './Footer';
-import './style.css';
-
-const App: React.FC = () => {
-  const [scoreX, setScoreX] = useState<number>(0);
-  const [scoreO, setScoreO] = useState<number>(0);
-  const [turn, setTurn] = useState<number>(0);
-  const [showMessageBox, setShowMessageBox] = useState<boolean>(false);
-  const [message, setMessage] = useState<string>("");
-  return (
-    <>
-      {showMessageBox && <MessageBox message={message} setShowMessage={setShowMessageBox}/>}
-      <ScoreBoard turn={turn} scoreX={scoreX} scoreO={scoreO}/>
-      <Grid turn={turn} setTurn={setTurn} scoreX={scoreX} setScoreX={setScoreX} scoreO={scoreO} setScoreO={setScoreO} setMessage={setMessage} setShowMessage={setShowMessageBox}/>
-      <Footer/>
-    </>
-  );
-}
-
-export default App;
diff --git a/src/components/Box.tsx b/src/components/Box.js
index abe8b66..effd446 100644
--- a/src/components/Box.tsx
+++ b/src/components/Box.js
@@ -19,13 +19,7 @@
 import React from 'react';
 import './style.css';
 
-interface Props {
-  sign: number
-  index: number
-  setSign: (index: number) => void
-}
-
-const Box: React.FC<Props> = (props) => {
+const Box = (props) => {
   const handleClick = () => {
     props.sign === 2 &&
       props.setSign(props.index)
diff --git a/src/components/Footer.tsx b/src/components/Footer.js
index 3bcaa2a..3ec1aea 100644
--- a/src/components/Footer.tsx
+++ b/src/components/Footer.js
@@ -19,7 +19,7 @@
 import React from 'react';
 import './style.css';
 
-const Footer: React.FC = () => {
+const Footer = () => {
   return (
     <div className={"Footer"}>
       <p><a href="https://github.com/MikunoNaka/tic-tac-toe">Tic Tac Toe</a>  Copyright (C) 2021  Vidhu Kant Sharma</p>
diff --git a/src/components/GamemodeChooser.js b/src/components/GamemodeChooser.js
new file mode 100644
index 0000000..91010e4
--- /dev/null
+++ b/src/components/GamemodeChooser.js
@@ -0,0 +1,63 @@
+/*
+ * Tic Tac Toe - Minimalistic Tic Tac Toe
+ * Copyright (C) 2021  Vidhu Kant Sharma
+ * 
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ * 
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more details.
+ * 
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+import React, { useState } from 'react';
+import MultiplayerMenu from './MultiplayerMenu';
+import './style.css';
+
+const GamemodeChooser = (props) => {
+  const [showMPMenu, setShowMPMenu] = useState(false);
+
+  return (
+    <div className={"GamemodeChooser"}>
+      {showMPMenu ||
+        <>
+          <div className={"GamemodeButton"} onClick={() => {
+            props.setGameStarted(true);
+            props.setMultiplayer(false);
+          }}>
+            SINGLE PLAYER
+          </div>
+
+          <div className={"GamemodeButton"} onClick={() => {
+            setShowMPMenu(true);
+            props.setMultiplayer(true);
+          }}>
+            MULTIPLAYER (beta)
+          </div>
+        </>
+      }
+
+      {showMPMenu &&
+        <>
+          <MultiplayerMenu
+            setIsHost={props.setIsHost}
+            setGameStarted={props.setGameStarted}
+          />
+
+          <div className={"GamemodeButton"} onClick={() => {
+            setShowMPMenu(false);
+          }}>
+            GO BACK
+          </div>
+        </>
+      }
+    </div>
+  );
+}
+
+export default GamemodeChooser;
diff --git a/src/components/Grid.tsx b/src/components/Grid.js
index 30bab11..289f142 100644
--- a/src/components/Grid.tsx
+++ b/src/components/Grid.js
@@ -16,49 +16,38 @@
  * along with this program.  If not, see <https://www.gnu.org/licenses/>.
  */
 
-import React, { useState, useEffect, Dispatch, SetStateAction } from 'react';
+import React, { useState, useEffect } from 'react';
 import Box from './Box';
 import './style.css';
 
-interface Props {
-  turn: number
-  setTurn: Dispatch<SetStateAction<number>>
-  scoreX: number
-  scoreO: number
-  setScoreX: Dispatch<SetStateAction<number>>
-  setScoreO: Dispatch<SetStateAction<number>>
-  setMessage: Dispatch<SetStateAction<string>>
-  setShowMessage: Dispatch<SetStateAction<boolean>>
-}
-
-const Grid: React.FC<Props> = (props) => {
+const Grid = (props) => {
   // 0 is O, 1 is X, 2 is blank
-  const [board, setBoard] = useState<number[]>([2,2,2,2,2,2,2,2,2]);
+  const [board, setBoard] = useState([2,2,2,2,2,2,2,2,2]);
   const turn = props.turn;
 
-  const getBoard = (index: number) => {
+  const getBoard = (index) => {
     setBoard(board.slice(0, index).concat(turn).concat(board.slice(index+1, 9)));
     props.setTurn(turn === 1 ? 0 : 1)
   }
 
-  const allEqual = (arr: number[]) =>
+  const allEqual = (arr) =>
     arr.includes(2) ? false : arr.every(i => i === arr[0])
 
-  const getRow = (r: number) => board.slice(r * 3, (r * 3) + 3);
-  const getRows: any = (r: number = 0) => 
+  const getRow = (r) => board.slice(r * 3, (r * 3) + 3);
+  const getRows = (r = 0) => 
     r <= 2 ? [getRow(r)].concat(getRows(r+1)) : getRow(r) 
 
-  const getCol = (arr: number[][], c: number) => arr.map((i: any) => i[c])
-  const getCols: any = (rows: number[][], c: number = 0) => 
+  const getCol = (arr, c) => arr.map((i) => i[c])
+  const getCols = (rows, c = 0) => 
     c < 2 ? [getCol(rows, c)].concat(getCols(rows, c+1)) : [getCol(rows, c)]
 
-  const getLeftDiagonal: any = (i: number = 0) =>
+  const getLeftDiagonal = (i = 0) =>
     i < 3 ? [getRow(i)[i]].concat(getLeftDiagonal(i+1)) : [];
 
-  const getRightDiagonal: any = (i: number = 2) =>
+  const getRightDiagonal = (i = 2) =>
     i >= 0 ? [getRow(2-i)[i]].concat(getRightDiagonal(i-1)) : [];
 
-  const endGame = (winner: number) => {
+  const endGame = (winner) => {
     const gameWinner = winner < 2 ? (winner === 1 ? "X" : "O") : "Draw";
     props.setMessage(`WINNER: ${gameWinner}`);
     props.setShowMessage(true);
@@ -72,21 +61,18 @@ const Grid: React.FC<Props> = (props) => {
   useEffect(() => {
     if (board.includes(0) || board.includes(1)) {
       const rows = getRows();
-      (rows.some((i: number[]) => allEqual(i))
-        || getCols(rows).some((i: number[]) => allEqual(i))
+      (rows.some((i) => allEqual(i))
+        || getCols(rows).some((i) => allEqual(i))
         || [getLeftDiagonal(), getRightDiagonal()].some((i) => allEqual(i))
       ) ? endGame(turn === 0 ? 1 : 0) : (board.includes(2) || endGame(2));
     }
   });
 
   return (
-      <div className="Grid">
-      {
-        board.map(
-          (i, index) => 
-            <Box key={index} index={index} sign={i} setSign={getBoard}/>
-        )
-      }
+    <div className="Grid">
+      {board.map((i, index) => 
+        <Box key={index} index={index} sign={i} setSign={getBoard}/>
+      )}
     </div>
   );
 }
diff --git a/src/components/MessageBox.tsx b/src/components/MessageBox.js
index de65c48..6194f7b 100644
--- a/src/components/MessageBox.tsx
+++ b/src/components/MessageBox.js
@@ -16,15 +16,10 @@
  * along with this program.  If not, see <https://www.gnu.org/licenses/>.
  */
 
-import React, {Dispatch, SetStateAction} from 'react';
+import React from 'react';
 import './style.css';
 
-interface Props {
-  message: string
-  setShowMessage: Dispatch<SetStateAction<boolean>>
-}
-
-const MessageBox: React.FC<Props> = (props) => {
+const MessageBox = (props) => {
   return (
     <div className={"MessageBox"} onClick={() => props.setShowMessage(false)}>
       <p>{props.message}</p>
diff --git a/src/components/MultiplayerGrid.js b/src/components/MultiplayerGrid.js
new file mode 100644
index 0000000..88a8259
--- /dev/null
+++ b/src/components/MultiplayerGrid.js
@@ -0,0 +1,77 @@
+/*
+ * Tic Tac Toe - Minimalistic Tic Tac Toe
+ * Copyright (C) 2021  Vidhu Kant Sharma
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+import React, { useState, useEffect } from 'react';
+import { io } from 'socket.io-client';
+import Box from './Box';
+import './style.css';
+
+const socket = io("http://localhost:5000");
+
+const MultiplayerGrid = (props) => {
+  // 0 is O, 1 is X, 2 is blank
+  const [board, setBoard] = useState([2,2,2,2,2,2,2,2,2]);
+  const turn = props.turn;
+
+  const getBoard = (index) => {
+    // if it's not your turn you can't play
+    if ((turn === 0) === props.isHost) return;
+
+    const newBoard = board.slice(0, index).concat(turn).concat(board.slice(index+1, 9));
+    socket.emit("update-remote-data", {
+      board: newBoard, 
+      turn: turn, 
+      scoreX: props.scoreX,
+      scoreO: props.scoreO
+    });
+  }
+
+  const endGame = (data) => {
+    props.setMessage(
+      `${data.winner === "Data" ? "" : "WINNER: "}${data.winner}`
+    );
+    props.setShowMessage(true);
+    props.setScoreX(data.scoreX);
+    props.setScoreO(data.scoreO);
+
+    // socket.emit messes everything up
+    // and this does the job very well
+    setBoard([2,2,2,2,2,2,2,2,2]);
+    props.setTurn(data.winner === "Draw" ? turn : (data.winner === "X" ? 1 : 0));
+  }
+
+  useEffect(() => {
+    socket.on("update-client-data", (data) => {
+      setBoard(data.board);
+      props.setTurn(data.turn);
+      props.setScoreX(data.score.scoreX);
+      props.setScoreO(data.score.scoreO);
+    });
+    socket.on("update-winner", (data) => endGame(data));
+  });
+
+  return (
+    <div className="Grid">
+      {board.map((i, index) => 
+        <Box key={index} index={index} sign={i} setSign={getBoard}/>
+      )}
+    </div>
+  );
+}
+
+export default MultiplayerGrid;
diff --git a/src/components/MultiplayerMenu.js b/src/components/MultiplayerMenu.js
new file mode 100644
index 0000000..1dfe9dd
--- /dev/null
+++ b/src/components/MultiplayerMenu.js
@@ -0,0 +1,40 @@
+/*
+ * Tic Tac Toe - Minimalistic Tic Tac Toe
+ * Copyright (C) 2021  Vidhu Kant Sharma
+ * 
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ * 
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more details.
+ * 
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+import React from 'react';
+import './style.css';
+
+const MultiplayerMenu = (props) => {
+  return (
+    <div className={"MultiplayerMenu"}>
+      <div className={"GamemodeButton"} onClick={() => {
+        props.setIsHost(true);
+        props.setGameStarted(true);
+      }}>
+        HOST GAME
+      </div>
+
+      <div className={"GamemodeButton"} onClick={() => {
+        props.setGameStarted(true);
+      }}>
+        JOIN GAME
+      </div>
+    </div>
+  );
+}
+
+export default MultiplayerMenu;
diff --git a/src/components/ScoreBoard.tsx b/src/components/ScoreBoard.js
index b50af30..d393285 100644
--- a/src/components/ScoreBoard.tsx
+++ b/src/components/ScoreBoard.js
@@ -19,20 +19,19 @@
 import React from 'react';
 import './style.css';
 
-interface Props {
-  scoreX: number
-  scoreO: number
-  turn: number
-}
-
-const ScoreBoard: React.FC<Props> = (props) => {
+const ScoreBoard = (props) => {
   return (
     <div className={"ScoreBoardContainer"}>
       <div className={"ScoreBoard"}>
         <span>X: {props.scoreX}</span>
         <span>O: {props.scoreO}</span>
       </div>
-      <div className={"turnMessage"}>-- {props.turn === 0 ? "O" : "X"}'s turn --</div>
+      <div className={"turnMessage"}>
+        -- 
+        {` ${props.turn === 0 ? "O" : "X"}'s turn `}
+        {props.multiplayer && ` (You are ${props.isHost ? "'X'" : "'O'"}) `}
+        --
+      </div>
     </div>
   );
 }
diff --git a/src/components/style.css b/src/components/style.css
index d33d775..79ef49e 100644
--- a/src/components/style.css
+++ b/src/components/style.css
@@ -16,18 +16,6 @@
  * along with this program.  If not, see <https://www.gnu.org/licenses/>.
  */
 
-/*body, #root {
-  margin: 0px;
-  height: 100vh;
-  width: 100vw;
-  display: flex;
-  flex-direction: column;
-  justify-content: center;
-  align-items: center;
-  background-color: #232627;
-  color: white;
-}*/
-
 body {
   margin: 0;
   padding: 0;
@@ -42,6 +30,24 @@ body {
   left: 0; right: 0;
 }
 
+.GamemodeChooser {
+  display: flex;
+  flex-direction: column;
+  justify-content: center;
+  align-items: center;
+  height: 90%;
+  width: 100%;
+}
+
+.GamemodeChooser .GamemodeButton {
+  border: 1px solid #5b76b7;
+  text-align: center;
+  font-size: 1.5rem;
+  padding: 0.5rem 0;
+  width: 15rem;
+  margin: 1rem;
+}
+
 .MessageBox {
   font-size: 7rem;
   display: flex;
diff --git a/src/index.js b/src/index.js
new file mode 100644
index 0000000..463687c
--- /dev/null
+++ b/src/index.js
@@ -0,0 +1,4 @@
+import ReactDOM from 'react-dom';
+import App from './components/App';
+
+ReactDOM.render(<App />, document.getElementById('root'));
diff --git a/src/index.tsx b/src/index.tsx
deleted file mode 100644
index 6ca3f59..0000000
--- a/src/index.tsx
+++ /dev/null
@@ -1,16 +0,0 @@
-import React from 'react';
-import ReactDOM from 'react-dom';
-import App from './components/App';
-import reportWebVitals from './reportWebVitals';
-
-ReactDOM.render(
-  <React.StrictMode>
-    <App />
-  </React.StrictMode>,
-  document.getElementById('root')
-);
-
-// If you want to start measuring performance in your app, pass a function
-// to log results (for example: reportWebVitals(console.log))
-// or send to an analytics endpoint. Learn more: https://bit.ly/CRA-vitals
-reportWebVitals();
diff --git a/src/reportWebVitals.ts b/src/reportWebVitals.ts
deleted file mode 100644
index 49a2a16..0000000
--- a/src/reportWebVitals.ts
+++ /dev/null
@@ -1,15 +0,0 @@
-import { ReportHandler } from 'web-vitals';
-
-const reportWebVitals = (onPerfEntry?: ReportHandler) => {
-  if (onPerfEntry && onPerfEntry instanceof Function) {
-    import('web-vitals').then(({ getCLS, getFID, getFCP, getLCP, getTTFB }) => {
-      getCLS(onPerfEntry);
-      getFID(onPerfEntry);
-      getFCP(onPerfEntry);
-      getLCP(onPerfEntry);
-      getTTFB(onPerfEntry);
-    });
-  }
-};
-
-export default reportWebVitals;
diff --git a/src/server/index.js b/src/server/index.js
index 2b85ea5..2799805 100644
--- a/src/server/index.js
+++ b/src/server/index.js
@@ -1,11 +1,68 @@
 const express = require('express');
-const path = require('path');
 const app = express();
+const http = require('http').Server(app);
+const path = require('path');
+
+// const io = require('socket.io')(http);
+const io = require("socket.io")(http, {
+  cors: {
+    origin: ["http://localhost:5000", "http://localhost:3000"],
+    "Access-Control-Allow-Origin": "*",
+    methods: ["GET", "POST"]
+  }
+});
+
+const allEqual = (arr) =>
+  arr.includes(2) ? false : arr.every(i => i === arr[0])
+
+const getRow = (board, r) => board.slice(r * 3, (r * 3) + 3);
+const getRows = (board, r = 0) =>
+  r <= 2 ? [getRow(board, r)].concat(getRows(board, r+1)) : getRow(board, r)
+
+const getCol = (board, c) => board.map((i) => i[c])
+const getCols = (rows, c = 0) =>
+  c < 2 ? [getCol(rows, c)].concat(getCols(rows, c+1)) : [getCol(rows, c)]
+
+const getLeftDiagonal = (board, i = 0) =>
+  i < 3 ? [getRow(board, i)[i]].concat(getLeftDiagonal(board, i+1)) : [];
+
+const getRightDiagonal = (board, i = 2) =>
+  i >= 0 ? [getRow(board, 2-i)[i]].concat(getRightDiagonal(board, i-1)) : [];
+
+const getScore = (winner, scoreX, scoreO, board) => ({
+  winner: winner < 2 
+    ? (winner === 0 ? 'O' : 'X') 
+    : (board.includes(2) ? undefined : 'Draw'),
+  scoreX: winner === 1 ? scoreX + 1 : scoreX,
+  scoreO: winner === 0 ? scoreO + 1 : scoreO
+})
+
+io.on('connection', (socket) => {
+  socket.on('update-remote-data', (data) => {
+    if (data.board.includes(0) || data.board.includes(1)) {
+      const rows = getRows(data.board);
+      const winner = (rows.some((i) => allEqual(i))
+        || getCols(rows).some((i) => allEqual(i))
+        || [getLeftDiagonal(data.board), getRightDiagonal(data.board)].some((i) => allEqual(i))
+      ) ? data.turn : 2;
+
+      const score = getScore(winner, data.scoreX, data.scoreO, data.board)
+      io.emit('update-client-data', {
+        board: data.board, 
+        turn: score.winner ? data.turn : (data.turn === 0 ? 1 : 0),
+        score: score
+      });
+      
+      score.winner && io.emit('update-winner', score)
+    };
+  });
+});
 
+// serve static front end
 app.use(express.static(path.join(__dirname, '../../build')));
 
 // Start the server
 const PORT = process.env.PORT || 5000;
-app.listen(PORT, () => {
+http.listen(PORT, () => {
     console.log(`App listening on port ${PORT}`);
 });