X-Git-Url: https://git.cworth.org/git?p=lmno.games;a=blobdiff_plain;f=tictactoe%2Ftictactoe.jsx;h=f1426ecff4f443c8837237fffd8caeef3f751153;hp=d462ae14f164f34b74037d4820f919beaa60d3f1;hb=80b53fb35b2026f0100572fc744d659532efe3f0;hpb=0602929f86c1939b1a52188ecf91096d087f98c7

diff --git a/tictactoe/tictactoe.jsx b/tictactoe/tictactoe.jsx
index d462ae1..f1426ec 100644
--- a/tictactoe/tictactoe.jsx
+++ b/tictactoe/tictactoe.jsx
@@ -20,6 +20,10 @@ ${message}
   message_area.insertAdjacentHTML('beforeend', message);
 }
 
+/*********************************************************
+ * Handling server-sent event stream                     *
+ *********************************************************/
+
 const events = new EventSource("events");
 
 events.onerror = function(event) {
@@ -28,22 +32,63 @@ events.onerror = function(event) {
   }
 };
 
+events.addEventListener("game-info", event => {
+  const info = JSON.parse(event.data);
+
+  window.game.set_game_info(info);
+});
+
+events.addEventListener("player-info", event => {
+  const info = JSON.parse(event.data);
+
+  window.game.set_player_info(info);
+});
+
+events.addEventListener("player-update", event => {
+  const info = JSON.parse(event.data);
+
+  if (info.id === window.game.state.player_info.id)
+    window.game.set_player_info(info);
+});
+
 events.addEventListener("move", event => {
   const move = JSON.parse(event.data);
 
-  window.game.receiveMove(move);
+  window.game.receive_move(move);
 });
 
 events.addEventListener("game-state", event => {
   const state = JSON.parse(event.data);
 
-  window.game.resetState();
+  window.game.reset_board();
 
   for (let square of state.moves) {
-    window.game.receiveMove(square);
+    window.game.receive_move(square);
   }
 });
 
+/*********************************************************
+ * Game and supporting classes                           *
+ *********************************************************/
+
+function GameInfo(props) {
+  return (
+    <div className="game-info">
+      <h2>{props.id}</h2>
+      Invite a friend to play by sending this URL: {props.url}
+    </div>
+  );
+}
+
+function PlayerInfo(props) {
+  return (
+    <div className="player-info">
+      <h2>Player</h2>
+      {props.name}, ID: {props.id}, on team: {props.team}
+    </div>
+  );
+}
+
 function Square(props) {
   let className = "square";
 
@@ -64,12 +109,12 @@ function Square(props) {
 }
 
 class Board extends React.Component {
-  renderSquare(i) {
+  render_square(i) {
     const value = this.props.squares[i];
     return (
       <Square
         value={value}
-        active={! this.props.gameOver && ! value}
+        active={! this.props.game_over && ! value}
         onClick={() => this.props.onClick(i)}
       />
     );
@@ -79,28 +124,28 @@ class Board extends React.Component {
     return (
       <div>
         <div className="board-row">
-          {this.renderSquare(0)}
-          {this.renderSquare(1)}
-          {this.renderSquare(2)}
+          {this.render_square(0)}
+          {this.render_square(1)}
+          {this.render_square(2)}
         </div>
         <div className="board-row">
-          {this.renderSquare(3)}
-          {this.renderSquare(4)}
-          {this.renderSquare(5)}
+          {this.render_square(3)}
+          {this.render_square(4)}
+          {this.render_square(5)}
         </div>
         <div className="board-row">
-          {this.renderSquare(6)}
-          {this.renderSquare(7)}
-          {this.renderSquare(8)}
+          {this.render_square(6)}
+          {this.render_square(7)}
+          {this.render_square(8)}
         </div>
       </div>
     );
   }
 }
 
-function fetch_post_json(api = '', data = {}) {
+function fetch_method_json(method, api = '', data = {}) {
   const response = fetch(api, {
-    method: 'POST',
+    method: method,
     headers: {
       'Content-Type': 'application/json'
     },
@@ -109,10 +154,20 @@ function fetch_post_json(api = '', data = {}) {
   return response;
 }
 
+function fetch_post_json(api = '', data = {}) {
+  return fetch_method_json('POST', api, data);
+}
+
+async function fetch_put_json(api = '', data = {}) {
+  return fetch_method_json('PUT', api, data);
+}
+
 class Game extends React.Component {
   constructor(props) {
     super(props);
     this.state = {
+      game_info: {},
+      player_info: {},
       history: [
         {
           squares: Array(9).fill(null)
@@ -123,11 +178,23 @@ class Game extends React.Component {
     };
   }
 
-  sendMove(i) {
+  set_game_info(info) {
+    this.setState({
+      game_info: info
+    });
+  }
+
+  set_player_info(info) {
+    this.setState({
+      player_info: info
+    });
+  }
+
+  send_move(i) {
     return fetch_post_json("move", { move: i });
   }
 
-  resetState() {
+  reset_board() {
     this.setState({
       history: [
         {
@@ -139,11 +206,11 @@ class Game extends React.Component {
     });
   }
 
-  receiveMove(i) {
+  receive_move(i) {
     const history = this.state.history.slice(0, this.state.step_number + 1);
     const current = history[history.length - 1];
     const squares = current.squares.slice();
-    if (calculateWinner(squares) || squares[i]) {
+    if (calculate_winner(squares) || squares[i]) {
       return;
     }
     squares[i] = Team.properties[this.state.next_to_play].name;
@@ -163,8 +230,8 @@ class Game extends React.Component {
     });
   }
 
-  async handleClick(i) {
-    const response = await this.sendMove(i);
+  async handle_click(i) {
+    const response = await this.send_move(i);
     if (response.status == 200) {
       const result = await response.json();
       if (! result.legal)
@@ -174,10 +241,14 @@ class Game extends React.Component {
     }
   }
 
+  join_team(team) {
+    fetch_put_json("player", {team: team});
+  }
+
   render() {
     const history = this.state.history;
     const current = history[this.state.step_number];
-    const winner = calculateWinner(current.squares);
+    const winner = calculate_winner(current.squares);
 
     let status;
     if (winner) {
@@ -186,30 +257,42 @@ class Game extends React.Component {
       status = "Next player: " + (Team.properties[this.state.next_to_play].name);
     }
 
-    return (
-      <div className="game">
-        <div className="game-info">
-          <div>{status}</div>
-        </div>
+    return [
+      <GameInfo
+        key="game-info"
+        id={this.state.game_info.id}
+        url={this.state.game_info.url}
+      />,
+      <PlayerInfo
+        key="player-info"
+        id={this.state.player_info.id}
+        name={this.state.player_info.name}
+        team={this.state.player_info.team}
+      />,
+      <div key="game" className="game">
+        <button className="inline"
+                onClick={() => this.join_team('X')}>Join Team X</button>
+        &nbsp;
+        <button className="inline"
+                onClick={() => this.join_team('O')}>Join Team O</button>
+        <div>{status}</div>
         <div className="game-board">
           <Board
-            gameOver={winner}
+            game_over={winner}
             squares={current.squares}
-            onClick={i => this.handleClick(i)}
+            onClick={i => this.handle_click(i)}
           />
         </div>
       </div>
-    );
+    ];
   }
 }
 
-// ========================================
-
 ReactDOM.render(<Game
                   ref={(me) => window.game = me}
                 />, document.getElementById("tictactoe"));
 
-function calculateWinner(squares) {
+function calculate_winner(squares) {
   const lines = [
     [0, 1, 2],
     [3, 4, 5],