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done, pretty cool #9

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110 changes: 89 additions & 21 deletions client.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -3,9 +3,35 @@

import * as Phaser from "phaser";

function uuid(
a?: any // placeholder
): string {
return a // if the placeholder was passed, return
? ( // a random number from 0 to 15
a ^ // unless b is 8,
Math.random() // in which case
* 16 // a random number from
>> a / 4 // 8 to 11
).toString(16) // in hexadecimal
: ( // or otherwise a concatenated string:
1e7.toString() + // 10000000 +
-1e3 + // -1000 +
-4e3 + // -4000 +
-8e3 + // -80000000 +
-1e11 // -100000000000,
).replace( // replacing
/[018]/g, // zeroes, ones, and eights with
uuid // random hex digits
)
}


interface ICoords {
x: number;
y: number;
[key: string]: {
x: number;
y: number;
frame: number;
}
}

const DEBUG = false; // Render debug physics entities
Expand All @@ -16,7 +42,8 @@ class GameScene extends Phaser.Scene {

private VELOCITY = 100;
private wsClient?: WebSocket;
private player?: Phaser.GameObjects.Sprite;
private id = uuid();
private players: {[key: string]: Phaser.GameObjects.Sprite} = {};
private leftKey?: Phaser.Input.Keyboard.Key;
private rightKey?: Phaser.Input.Keyboard.Key;
private upKey?: Phaser.Input.Keyboard.Key;
Expand Down Expand Up @@ -44,7 +71,30 @@ class GameScene extends Phaser.Scene {
this.wsClient.onopen = (event) => console.log(event);
// TODO: multiplayer functionality
this.wsClient.onmessage = (wsMsgEvent) => {
console.log(wsMsgEvent)
const allCoords: ICoords = JSON.parse(wsMsgEvent.data);
for (const playerId of Object.keys(allCoords)) {
if (playerId === this.id) {
// we don't need to update ourselves
continue;
}
const { x, y, frame } = allCoords[playerId];
if (playerId in this.players) {
// We have seen this player before, update it!
const player = this.players[playerId];
if (player.texture.key === "__MISSING") {
// Player was instantiated before texture was ready, reinstantiate
player.destroy();
this.players[playerId] = this.add.sprite(x, y, "player", frame);
} else {
player.setX(x);
player.setY(y);
player.setFrame(frame);
}
} else {
// We have not seen this player before, create it!
this.players[playerId] = this.add.sprite(x, y, "player", frame);
}
}
}
}

Expand Down Expand Up @@ -88,9 +138,9 @@ class GameScene extends Phaser.Scene {
});

// Player game object
this.player = this.physics.add.sprite(48, 48, "player", 1);
this.physics.add.collider(this.player, layer);
this.cameras.main.startFollow(this.player);
this.players[this.id] = this.physics.add.sprite(48, 48, "player", 1);
this.physics.add.collider(this.players[this.id], layer);
this.cameras.main.startFollow(this.players[this.id]);
this.cameras.main.setBounds(
0, 0, tileMap.widthInPixels, tileMap.heightInPixels
);
Expand All @@ -103,35 +153,53 @@ class GameScene extends Phaser.Scene {
}

public update() {
if (this.player) {
for (const playerId of Object.keys(this.players)) {
const player = this.players[playerId];

if (playerId !== this.id) {
player.setTint(0x0000aa); // so we can tell our guy apart
player.update();
continue;
}

}

if (this.players[this.id]) {
let moving = false;
if (this.leftKey && this.leftKey.isDown) {
(this.player.body as Phaser.Physics.Arcade.Body).setVelocityX(-this.VELOCITY);
this.player.play("left", true);
(this.players[this.id].body as Phaser.Physics.Arcade.Body).setVelocityX(-this.VELOCITY);
this.players[this.id].play("left", true);
moving = true;
} else if (this.rightKey && this.rightKey.isDown) {
(this.player.body as Phaser.Physics.Arcade.Body).setVelocityX(this.VELOCITY);
this.player.play("right", true);
(this.players[this.id].body as Phaser.Physics.Arcade.Body).setVelocityX(this.VELOCITY);
this.players[this.id].play("right", true);
moving = true;
} else {
(this.player.body as Phaser.Physics.Arcade.Body).setVelocityX(0);
(this.players[this.id].body as Phaser.Physics.Arcade.Body).setVelocityX(0);
}
if (this.upKey && this.upKey.isDown) {
(this.player.body as Phaser.Physics.Arcade.Body).setVelocityY(-this.VELOCITY);
this.player.play("up", true);
(this.players[this.id].body as Phaser.Physics.Arcade.Body).setVelocityY(-this.VELOCITY);
this.players[this.id].play("up", true);
moving = true;
} else if (this.downKey && this.downKey.isDown) {
(this.player.body as Phaser.Physics.Arcade.Body).setVelocityY(this.VELOCITY);
this.player.play("down", true);
(this.players[this.id].body as Phaser.Physics.Arcade.Body).setVelocityY(this.VELOCITY);
this.players[this.id].play("down", true);
moving = true;
} else {
(this.player.body as Phaser.Physics.Arcade.Body).setVelocityY(0);
(this.players[this.id].body as Phaser.Physics.Arcade.Body).setVelocityY(0);
}
if (!moving) {
(this.player.body as Phaser.Physics.Arcade.Body).setVelocity(0);
this.player.anims.stop();
(this.players[this.id].body as Phaser.Physics.Arcade.Body).setVelocity(0);
this.players[this.id].anims.stop();
} else if (this.wsClient) {
this.wsClient.send(JSON.stringify({
id: this.id,
x: this.players[this.id].x,
y: this.players[this.id].y,
frame: this.players[this.id].frame.name
}));
}
this.player.update();
this.players[this.id].update();
}
}
}
Expand Down
9 changes: 6 additions & 3 deletions server.js
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Original file line number Diff line number Diff line change
Expand Up @@ -32,13 +32,16 @@ function setupWSServer(server) {
server,
autoAcceptConnections: false
});
let actorCoordinates = { x: 100, y: 100 };
let actorCoordinates = { };
wss.on("connection", (ws) => {
ws.on("message", (rawMsg) => {
console.log(`RECV: ${rawMsg}`);
const incommingMessage = JSON.parse(rawMsg);
actorCoordinates.x = incommingMessage.x;
actorCoordinates.y = incommingMessage.y;
actorCoordinates[incommingMessage.id] = {
x: incommingMessage.x,
y: incommingMessage.y,
frame: incommingMessage.frame
}
wss.clients.forEach((wsClient) => {
wsClient.send(JSON.stringify(actorCoordinates));
})
Expand Down