X-Git-Url: https://git.cworth.org/git?a=blobdiff_plain;ds=inline;f=tictactoe%2Ftictactoe.jsx;h=46cee2a7f42e9f4bc3a7809e7d93b3855eb383ed;hb=7b54e4a8c6a461c186125b5e36d4d312ee9b41b2;hp=d92b698fe57b913e8d8625643b18376bf0262947;hpb=cd1247338dd987b8796ad5ca6d0f655ececa22ee;p=lmno.games
diff --git a/tictactoe/tictactoe.jsx b/tictactoe/tictactoe.jsx
index d92b698..46cee2a 100644
--- a/tictactoe/tictactoe.jsx
+++ b/tictactoe/tictactoe.jsx
@@ -1,3 +1,12 @@
+const Team = {
+ X: 0,
+ O: 1,
+ properties: {
+ 0: {name: "X"},
+ 1: {name: "O"}
+ }
+};
+
function undisplay(element) {
element.style.display="none";
}
@@ -11,6 +20,10 @@ ${message}
message_area.insertAdjacentHTML('beforeend', message);
}
+/*********************************************************
+ * Handling server-sent event stream *
+ *********************************************************/
+
const events = new EventSource("events");
events.onerror = function(event) {
@@ -19,22 +32,70 @@ 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) {
+ if (! props.id)
+ return null;
+
+ return (
+
+
{props.id}
+ Invite a friend to play by sending this URL: {props.url}
+
+ );
+}
+
+function PlayerInfo(props) {
+ if (! props.id)
+ return null;
+
+ return (
+
+
Player
+ {props.name}, ID: {props.id},
+ {props.team ? ` on team ${props.team}` : " not on a team"}
+
+ );
+}
+
function Square(props) {
let className = "square";
@@ -55,12 +116,12 @@ function Square(props) {
}
class Board extends React.Component {
- renderSquare(i) {
+ render_square(i) {
const value = this.props.squares[i];
return (
this.props.onClick(i)}
/>
);
@@ -70,28 +131,28 @@ class Board extends React.Component {
return (
- {this.renderSquare(0)}
- {this.renderSquare(1)}
- {this.renderSquare(2)}
+ {this.render_square(0)}
+ {this.render_square(1)}
+ {this.render_square(2)}
- {this.renderSquare(3)}
- {this.renderSquare(4)}
- {this.renderSquare(5)}
+ {this.render_square(3)}
+ {this.render_square(4)}
+ {this.render_square(5)}
- {this.renderSquare(6)}
- {this.renderSquare(7)}
- {this.renderSquare(8)}
+ {this.render_square(6)}
+ {this.render_square(7)}
+ {this.render_square(8)}
);
}
}
-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'
},
@@ -100,57 +161,84 @@ 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)
}
],
- stepNumber: 0,
- xIsNext: true
+ step_number: 0,
+ next_to_play: Team.X
};
}
- sendMove(i) {
- return fetch_post_json("move", { move: i });
+ set_game_info(info) {
+ this.setState({
+ game_info: info
+ });
+ }
+
+ set_player_info(info) {
+ this.setState({
+ player_info: info
+ });
}
- resetState() {
+ reset_board() {
this.setState({
history: [
{
squares: Array(9).fill(null)
}
],
- stepNumber: 0,
- xIsNext: true
+ step_number: 0,
+ next_to_play: Team.X
});
}
- receiveMove(i) {
- const history = this.state.history.slice(0, this.state.stepNumber + 1);
+ 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] = this.state.xIsNext ? "X" : "O";
+ squares[i] = Team.properties[this.state.next_to_play].name;
+ let next_to_play;
+ if (this.state.next_to_play === Team.X)
+ next_to_play = Team.O;
+ else
+ next_to_play = Team.X;
this.setState({
history: history.concat([
{
squares: squares
}
]),
- stepNumber: history.length,
- xIsNext: !this.state.xIsNext
+ step_number: history.length,
+ next_to_play: next_to_play
});
}
- async handleClick(i) {
- const response = await this.sendMove(i);
+ async handle_click(i, first_move) {
+ let move = { move: i };
+ if (first_move) {
+ move.assert_first_move = true;
+ }
+ const response = await fetch_post_json("move", move);
if (response.status == 200) {
const result = await response.json();
if (! result.legal)
@@ -160,49 +248,89 @@ class Game extends React.Component {
}
}
- jumpTo(step) {
- this.setState({
- stepNumber: step,
- xIsNext: (step % 2) === 0
- });
+ join_team(team) {
+ fetch_put_json("player", {team: team});
}
render() {
- const history = this.state.history;
- const current = history[this.state.stepNumber];
- const winner = calculateWinner(current.squares);
+ const state = this.state;
+ const history = state.history;
+ const current = history[state.step_number];
+ const winner = calculate_winner(current.squares);
+ const first_move = state.step_number === 0;
+ const my_team = state.player_info.team;
+ var board_active;
let status;
- if (winner) {
- status = "Winner: " + winner;
- } else {
- status = "Next player: " + (this.state.xIsNext ? "X" : "O");
+ if (winner)
+ {
+ status = winner + " wins!";
+ if (state.player_info.team != "")
+ {
+ if (my_team === winner)
+ status += " Congratulations!";
+ else
+ status += " Better luck next time.";
+ }
+ board_active = false;
+ }
+ else if (first_move)
+ {
+ status = "Either player can make the first move.";
+ board_active = true;
+ }
+ else if (my_team === "")
+ {
+ status = "You're just watching the game.";
+ board_active = false;
+ }
+ else if (my_team === Team.properties[state.next_to_play].name)
+ {
+ status = "Your turn. Make a move.";
+ board_active = true;
+ }
+ else
+ {
+ status = "Waiting for your opponent to move.";
+ board_active = false;
}
- return (
-
-
+ return [
+
,
+
,
+
+
+
+
+
{status}
this.handleClick(i)}
+ onClick={i => this.handle_click(i, first_move)}
/>
- );
+ ];
}
}
-// ========================================
-
ReactDOM.render(
window.game = me}
/>, document.getElementById("tictactoe"));
-function calculateWinner(squares) {
+function calculate_winner(squares) {
const lines = [
[0, 1, 2],
[3, 4, 5],