thib8956/tic-tac-toe-ws
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fix endgame condition

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This commit is contained in:
Thibaud Gasser 2024-09-25 11:58:56 +02:00
parent 8333df9580
commit f56fc0a65c
3 changed files with 89 additions and 84 deletions
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16
client.mts
View File

@ -22,11 +22,11 @@ interface Shape {
time: number;
}
let grid = [0, 0, 0, 0, 0, 0, 0, 0, 0]
let circle = true;
let grid = [0, 0, 0, 0, 0, 0, 0, 0, 0];
let pendingEvts: Point[] = [];
let shapes: Shape[] = [];
let myId: number | null = null;
let mySymbol: "x" | "o" | null = null;
let canvasMsg: string = "Offline";
function drawGridBackground(ctx: CanvasRenderingContext2D, origin: Point) {
@ -105,18 +105,17 @@ function updateGridState(ctx: CanvasRenderingContext2D, gridOrigin: Point) {
for (let x = 0; x < 3; ++x) {
switch (grid[y*3+x]) {
case 0: break;
case 1: {
case myId: {
const p = gridIndexToCoords(gridOrigin, x, y);
drawCircle(ctx, p);
mySymbol == "o" ? drawCircle(ctx, p) : drawCross(ctx, p);
break;
}
case 2: {
default: {
const p = gridIndexToCoords(gridOrigin, x, y);
drawCross(ctx, p);
mySymbol == "o" ? drawCross(ctx, p) : drawCircle(ctx, p);
break;
}
default: throw new Error(`unhandled grid state ${grid[y*3+x]}`);
}
}
}
@ -165,7 +164,8 @@ function init() {
switch (msg.kind) {
case "hello": {
myId = (msg.data as Hello).id;
canvasMsg = `connected to server with id ${myId}`;
mySymbol = (msg.data as Hello).symbol;
canvasMsg = `connected to server with id ${myId}, ${mySymbol}`;
console.log(canvasMsg);
break;
}

3
common.mts
View File

@ -15,7 +15,8 @@ export interface Response {
}
export interface Hello {
id: number
id: number,
symbol: "x" | "o"
}
export interface EndGame {

154
server.mts
View File

@ -1,5 +1,5 @@
import { Message, Response, Hello, EndGame } from "common.mjs"
import { WebSocket, WebSocketServer } from "ws";
import { WebSocket, WebSocketServer, MessageEvent } from "ws";
const port = 1234
const wss = new WebSocketServer({ port });
@ -28,27 +28,31 @@ wss.on("connection", (ws) => {
}
const symbol = clients.length == 0 ? "o" : "x";
const helloMsg: Message = {
kind: "hello",
data: { id, symbol } as Hello
}
clients.push({id, ws, symbol});
ws.send(JSON.stringify({kind: "hello", data: { id } as Hello}));
ws.send(JSON.stringify(helloMsg));
console.log(`player #${id} connected`);
ws.addEventListener("message", (event: any) => {
const message = JSON.parse(event.data);
ws.addEventListener("message", (event: MessageEvent) => {
const message = JSON.parse(event.data as string);
const {x, y} = message;
const player = clients.find(x => x.ws === ws);
console.assert(player !== undefined);
if (!player) throw new Error("player not found");
console.log(message, player!.id, currentPlayer?.id);
if (!currentPlayer) {
currentPlayer = player;
}
if (clients.length < 2 || player!.id != currentPlayer?.id || endGame) {
if (clients.length < 2 || player.id != currentPlayer?.id || endGame) {
return;
}
if (grid[y*3+x] === 0) {
grid[y*3+x] = player!.symbol == "o" ? 1 : 2;
grid[y*3+x] = player.id;
for (const c of clients) {
const msg: Message = {
kind: "update",
@ -69,7 +73,7 @@ wss.on("connection", (ws) => {
data: { issue: "draw" } as EndGame
};
c.ws.send(JSON.stringify(msg));
endGame = true;
endGame = true;
}
} else {
console.log(`player ${winnerId} won !`);
@ -78,13 +82,13 @@ wss.on("connection", (ws) => {
winner?.ws?.send(JSON.stringify({
kind: "endgame",
data: { issue: "win" } as EndGame
} as Message));
} as Message));
const loser = clients.find(x => x.id !== winnerId);
loser?.ws?.send(JSON.stringify({
kind: "endgame",
data: { issue: "lose" } as EndGame
} as Message));
} as Message));
}
}
});
@ -96,70 +100,70 @@ wss.on("connection", (ws) => {
});
function checkWin(grid: number[]): number {
const clone = [...grid];
const grid2d = [];
while(clone.length) grid2d.push(clone.splice(0,3));
const clone = [...grid];
const grid2d = [];
while(clone.length) grid2d.push(clone.splice(0,3));
if (
grid2d[0][0] !== 0 &&
grid2d[0][0] === grid2d[0][1] &&
grid2d[0][1] === grid2d[0][2]
) {
return grid2d[0][0];
}
if (
grid2d[1][0] !== 0 &&
grid2d[1][0] === grid2d[1][1] &&
grid2d[1][1] === grid2d[1][2]
) {
return grid2d[1][0];
}
if (
grid2d[2][0] !== 0 &&
grid2d[2][0] === grid2d[2][1] &&
grid2d[2][1] === grid2d[2][2]
) {
return grid2d[2][0];
}
if (
grid2d[0][0] !== 0 &&
grid2d[0][0] === grid2d[1][0] &&
grid2d[1][0] === grid2d[2][0]
) {
return grid2d[0][0];
}
if (
grid2d[0][1] !== 0 &&
grid2d[0][1] === grid2d[1][1] &&
grid2d[1][1] === grid2d[2][1]
) {
return grid2d[0][1];
}
if (
grid2d[0][2] !== 0 &&
grid2d[0][2] === grid2d[1][2] &&
grid2d[1][2] === grid2d[2][2]
) {
return grid2d[0][2];
}
if (
grid2d[0][0] !== 0 &&
grid2d[0][0] === grid2d[1][1] &&
grid2d[1][1] === grid2d[2][2]
) {
return grid2d[0][0];
}
if (
grid2d[0][2] !== 0 &&
grid2d[0][2] === grid2d[1][1] &&
grid2d[1][1] === grid2d[2][0]
) {
return grid2d[0][2];
}
for (const row of grid2d) {
if (row[0] === 0 || row[1] === 0 || row[2] === 0) {
return -1;
}
}
return 0;
if (
grid2d[0][0] !== 0 &&
grid2d[0][0] === grid2d[0][1] &&
grid2d[0][1] === grid2d[0][2]
) {
return grid2d[0][0];
}
if (
grid2d[1][0] !== 0 &&
grid2d[1][0] === grid2d[1][1] &&
grid2d[1][1] === grid2d[1][2]
) {
return grid2d[1][0];
}
if (
grid2d[2][0] !== 0 &&
grid2d[2][0] === grid2d[2][1] &&
grid2d[2][1] === grid2d[2][2]
) {
return grid2d[2][0];
}
if (
grid2d[0][0] !== 0 &&
grid2d[0][0] === grid2d[1][0] &&
grid2d[1][0] === grid2d[2][0]
) {
return grid2d[0][0];
}
if (
grid2d[0][1] !== 0 &&
grid2d[0][1] === grid2d[1][1] &&
grid2d[1][1] === grid2d[2][1]
) {
return grid2d[0][1];
}
if (
grid2d[0][2] !== 0 &&
grid2d[0][2] === grid2d[1][2] &&
grid2d[1][2] === grid2d[2][2]
) {
return grid2d[0][2];
}
if (
grid2d[0][0] !== 0 &&
grid2d[0][0] === grid2d[1][1] &&
grid2d[1][1] === grid2d[2][2]
) {
return grid2d[0][0];
}
if (
grid2d[0][2] !== 0 &&
grid2d[0][2] === grid2d[1][1] &&
grid2d[1][1] === grid2d[2][0]
) {
return grid2d[0][2];
}
for (const row of grid2d) {
if (row[0] === 0 || row[1] === 0 || row[2] === 0) {
return -1;
}
}
return 0;
}