Add a simple player-info div

[lmno.games] / tictactoe / tictactoe.jsx

diff --git a/tictactoe/tictactoe.jsx b/tictactoe/tictactoe.jsx
index c51727dab72f9f4172f743b2422cdaed037d20cb..498e708fbf9cc3d733517ff91215300952afee31 100644 (file)
--- 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) {
@@ -28,6 +32,25 @@ 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);
 
@@ -37,13 +60,35 @@ events.addEventListener("move", event => {
 events.addEventListener("game-state", event => {
   const state = JSON.parse(event.data);
 
-  window.game.reset_state();
+  window.game.reset_board();
 
   for (let square of state.moves) {
     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";
 
@@ -113,6 +158,8 @@ class Game extends React.Component {
   constructor(props) {
     super(props);
     this.state = {
+      game_info: {},
+      player_info: {},
       history: [
         {
           squares: Array(9).fill(null)
@@ -123,11 +170,23 @@ class Game extends React.Component {
     };
   }
 
+  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 });
   }
 
-  reset_state() {
+  reset_board() {
     this.setState({
       history: [
         {
@@ -186,11 +245,18 @@ class Game extends React.Component {
       status = "Next player: " + (Team.properties[this.state.next_to_play].name);
     }
 
-    return (
+    return [
+      <GameInfo
+        id={this.state.game_info.id}
+        url={this.state.game_info.url}
+      />,
+      <PlayerInfo
+        id={this.state.player_info.id}
+        name={this.state.player_info.name}
+        team={this.state.player_info.team}
+      />,
       <div className="game">
-        <div className="game-info">
-          <div>{status}</div>
-        </div>
+        <div>{status}</div>
         <div className="game-board">
           <Board
             game_over={winner}
@@ -199,12 +265,10 @@ class Game extends React.Component {
           />
         </div>
       </div>
-    );
+    ];
   }
 }
 
-// ========================================
-
 ReactDOM.render(<Game
                   ref={(me) => window.game = me}
                 />, document.getElementById("tictactoe"));