42_ft_transcendence/django/frontend/static/js/views/PongOfflineView.js
2024-05-15 16:52:12 +02:00

660 lines
20 KiB
JavaScript

import AbstractView from "./abstracts/AbstractView.js";
import "../3D/maths/gl-matrix-min.js"
import { initShaderProgram } from "../3D/shaders.js"
import { initBuffers } from "../3D/buffers.js"
import { renderCube } from "../3D/cube.js"
export class PongOfflineView extends AbstractView {
constructor(params) {
super(params, 'Game');
this.init();
}
init(round) {
this.game = null;
this.player1 = "Player 1";
this.player2 = "Player 2";
this.player3 = "Player 3";
this.player4 = "Player 4";
this.winner1 = undefined;
this.winner2 = undefined;
this.final_winner = undefined;
this.round = -1;
this.game_mode = 1; // 1 is 2D, 2 is 3D
}
async getHtml() {
return `
<link rel="stylesheet" href="/static/css/gameOffline.css">
<h1>Game</h1>
<button id='startGameButton'>Start Game</button>
<button id='resetGameButton'>Reset Game</button>
<button id='stopGameButton'>Stop Game</button>
<button id='startTournament'>Start Tournament</button>
<button id='gameMode'>Switch to 3D</button>
<div id="display"></div>
<div id="display-button"></div>
<svg id="tree" height="3000" width="3000"></svg>
`;
}
async postInit() {
this.app = document.getElementById("display");
document.getElementById('startGameButton').onclick = this.startGame.bind(this);
document.getElementById('resetGameButton').onclick = this.resetGame.bind(this);
document.getElementById('resetGameButton').hidden = 1;
document.getElementById('stopGameButton').onclick = this.stopGame.bind(this);
document.getElementById('stopGameButton').hidden = 1;
document.getElementById('startTournament').onclick = this.startTournament.bind(this);
document.getElementById('gameMode').hidden = 1;
document.getElementById('gameMode').onclick = this.toggleGameMode.bind(this);
}
async leavePage() {
this.game?.cleanup();
}
async toggleGameMode()
{
if(this.game_mode === 1) // 3D
{
this.game_mode = 2;
document.getElementById("gameMode").innerText = "Switch to 2D";
}
else if(this.game_mode === 2) // 2D
{
this.game_mode = 1;
document.getElementById("gameMode").innerText = "Switch to 3D";
}
this.game.changeGameMode(this.game_mode);
}
startTournament() {
let startTournament = document.getElementById("startTournament");
let player1 = document.createElement("input");
player1.id="player1"; player1.type="text"; player1.name="message"; player1.placeholder="Player 1"; player1.maxLength=10; player1.value = "";
startTournament.before(player1);
let player2 = document.createElement("input");
player2.id="player2"; player2.type="text"; player2.name="message"; player2.placeholder="Player 2"; player2.maxLength=10; player2.value = "";
player1.after(player2);
let player3 = document.createElement("input");
player3.id="player3"; player3.type="text"; player3.name="message"; player3.placeholder="Player 3"; player3.maxLength=10; player3.value = "";
player2.after(player3);
let player4 = document.createElement("input");
player4.id="player4"; player4.type="text"; player4.name="message"; player4.placeholder="Player 4"; player4.maxLength=10; player4.value = "";
player3.after(player4);
startTournament.onclick = () => {
if (player1.value.length > 0)
this.player1 = player1.value;
if (player2.value.length > 0)
this.player2 = player2.value;
if (player3.value.length > 0)
this.player3 = player3.value;
if (player4.value.length > 0)
this.player4 = player4.value;
player1.remove();
player2.remove();
player3.remove();
player4.remove();
this.round = 0;
this.startGame(this.player1, this.player2);
startTournament.onclick = this.startTournament.bind(this);
}
}
createButton()
{
this.up1 = document.createElement("button");
this.up1.textContent = "↑";
this.up1.id = "up1";
this.down1 = document.createElement("button");
this.down1.textContent = "↓";
this.down1.id = "down1";
this.up2 = document.createElement("button");
this.up2.textContent = "↑";
this.up2.id = "up2";
this.down2 = document.createElement("button");
this.down2.textContent = "↓";
this.down2.id = "down2";
this.up1.setAttribute("user_id", 1);
this.up1.setAttribute("direction", "up");
this.up2.setAttribute("user_id", 2);
this.up2.setAttribute("direction", "up");
this.down1.setAttribute("user_id", 1);
this.down1.setAttribute("direction", "down");
this.down2.setAttribute("user_id", 2);
this.down2.setAttribute("direction", "down");
document.addEventListener('touchstart', this.keyDownHandler);
document.addEventListener('touchend', this.keyUpHandler);
[this.up1, this.up2, this.down1, this.down2].forEach(button => {
button.onmousedown = this.game.keyDownHandler.bind(this.game);
button.onmouseup = this.game.keyUpHandler.bind(this.game);
button.ontouchstart = this.game.keyDownHandler.bind(this.game);
button.ontouchend = this.game.keyUpHandler.bind(this.game);
});
document.getElementById("display-button").append(this.up1, this.down1);
document.getElementById("display-button").append(this.up2, this.down2);
}
resetGame(player1, player2) {
if (this.round >= 0)
this.round = 0;
this.winner1 = undefined;
this.winner2 = undefined;
this.final_winner = undefined;
this.startGame(player1, player2)
}
async startGame(player1, player2) {
if (player1 == null || player2 == null) {
player1 = this.player1;
player2 = this.player2;
}
if (this.game == null) {
this.game = new Game(this.game_mode, this, player1, player2);
this.createButton();
}
else {
this.app.removeChild(this.game.canvas);
this.app.removeChild(this.game.scoresDisplay);
this.game.cleanup();
this.game = new Game(this.game_mode, this, player1, player2);
this.createButton();
}
if (this.round >= 0)
await this.display_tree_tournament();
document.getElementById('startTournament').hidden = 1;
document.getElementById('startGameButton').hidden = 1;
document.getElementById('stopGameButton').hidden = 0;
document.getElementById('resetGameButton').hidden = 0;
document.getElementById('gameMode').hidden = 0;
}
stopGame() {
if (!this.game)
return;
this.app.removeChild(this.game.canvas);
this.app.removeChild(this.game.scoresDisplay);
this.game.cleanup();
this.init();
document.getElementById('startGameButton').innerHTML = 'Start Game';
document.getElementById('startTournament').hidden = 0;
document.getElementById('startGameButton').hidden = 0;
document.getElementById('stopGameButton').hidden = 1;
document.getElementById('resetGameButton').hidden = 1;
document.getElementById('gameMode').hidden = 1;
this.app.style.maxWidth = null;
}
async display_tree_tournament() {
let players = [this.player1, this.player2, this.player3, this.player4, this.winner1, this.winner2, this.final_winner];
const svg = document.getElementById('tree');
svg.innerHTML = '';
let width = 150;
let height = 40;
let gap_y = height + 25;
let gap_x = width + 25;
let start_y = height / 2;
let rounds = Math.log2(4) + 1;
let k = 0;
for (let i = 0; i < rounds; i++) {
let number_square = 4 / Math.pow(2, i)
for(let j = 0; j < number_square; j++) {
const y = start_y + gap_y * j * Math.pow(2, i) + (gap_y / 2 * Math.pow(2, i));
svg.appendChild(await this.create_square(gap_x * i, y, width, height, "white", "black", players[k]));
svg.appendChild(await this.create_text(gap_x * i, y, width, height, "white", "black", players[k]));
k++;
}
}
}
async create_square(x, y, width, height, fill, stroke, text) {
const square = document.createElementNS("http://www.w3.org/2000/svg", "rect");
square.setAttribute("id", "square")
square.setAttribute("x", x);
square.setAttribute("y", y);
square.setAttribute("width", width);
square.setAttribute("height", height);
square.setAttribute("fill", fill);
square.setAttribute("stroke", stroke);
return square
}
async create_text(x, y, width, height, fill, stroke, text) {
const textElement = document.createElementNS("http://www.w3.org/2000/svg", "text");
textElement.setAttribute("id", "textElement")
textElement.setAttribute("x", x);
textElement.setAttribute("y", y + height / 2 + 5);
textElement.setAttribute("font-family", "Arial")
textElement.setAttribute("font-size", "20")
textElement.setAttribute("fill", stroke);
textElement.setAttribute("stroke", fill);
if (text == undefined)
text = "";
textElement.appendChild(document.createTextNode(text));
return textElement;
}
}
class Game {
constructor(game_mode, this_pong, player_name1, player_name2) {
this.pong = this_pong;
//Global variables
this.def = {
CANVASHEIGHT: 270,
CANVASWIDTH: 480,
PADDLEHEIGHT: 70,
PADDLEWIDTH: 10,
PADDLEMARGIN: 5,
PADDLESPEED: 3,
BALLRADIUS: 5,
BALLSPEED: 2,
BALLMAXSPEED: 10,
BALLSPEEDINCR: 0.2,
MAXBOUNCEANGLE: 10 * (Math.PI / 12),
MAXSCORE: 2
};
this.app = document.getElementById("display");
this.app.style.maxWidth = Number(this.def.CANVASWIDTH) + "px";
this.canvas = null;
this.context = null;
this.player_name1 = player_name1;
this.player_name2 = player_name2;
this.scoresDisplay = document.createElement('p');
this.scoresDisplay.innerHTML = `${this.player_name1}: 0 - ${this.player_name2}: 0`;
this.app.appendChild(this.scoresDisplay);
this.players = [
{
paddle: new Paddle(this.def.PADDLEMARGIN, this.def),
score: 0
},
{
paddle: new Paddle(this.def.CANVASWIDTH - this.def.PADDLEMARGIN - this.def.PADDLEWIDTH, this.def),
score: 0
}
];
this.ballStartSide = 0;
this.ballRespawned = false;
this.ball = new Ball(this.def, this.ballStartSide, this.context);
this.interval = setInterval(this.updateGame.bind(this), 10);
this.keys = [];
this.keyUpHandler = this.keyUpHandler.bind(this);
this.keyDownHandler = this.keyDownHandler.bind(this);
document.addEventListener('keydown', this.keyDownHandler);
document.addEventListener('keyup', this.keyUpHandler);
// stufs for 3D
this.shader_prog = null;
this.buffers = null;
this.cam_pos = [0, 150, -10];
this.cam_target = [0, 0, 0];
this.cam_up = [0, 0, -1];
this.initGame(game_mode);
}
initGame(mode)
{
if(mode === 1)
this.init2D();
else if(mode === 2)
this.initWebGL();
}
initWebGL()
{
this.canvas = document.createElement("canvas");
this.canvas.width = this.def.CANVASWIDTH;
this.canvas.height = this.def.CANVASHEIGHT;
this.canvas.id = "gameCanvas";
this.canvas.style.border = '1px solid #d3d3d3';
this.canvas.style.backgroundColor = '#f1f1f1';
this.app.appendChild(this.canvas);
this.context = this.canvas.getContext("webgl");
if(this.context === null)
{
alert("Unable to initialize WebGL. Your browser or machine may not support it. You may also be a bozo");
return;
}
this.shader_prog = initShaderProgram(this.context);
this.buffers = initBuffers(this.context);
this.context.enable(this.context.CULL_FACE);
this.context.cullFace(this.context.BACK);
}
init2D()
{
this.canvas = document.createElement('canvas');
this.canvas.id = 'gameCanvas';
this.canvas.width = this.def.CANVASWIDTH;
this.canvas.height = this.def.CANVASHEIGHT;
this.canvas.style.border = '1px solid #d3d3d3';
this.canvas.style.backgroundColor = '#f1f1f1';
this.context = this.canvas.getContext('2d');
this.app.appendChild(this.canvas);
}
changeGameMode(mode)
{
this.app.removeChild(this.canvas);
this.initGame(mode);
}
finish(winner) {
this.cleanup();
if (this.pong.round >= 0) {
if (this.pong.round == 0) {
this.pong.winner1 = winner;
this.pong.startGame(this.pong.player3, this.pong.player4)
this.pong.round++;
}
else if (this.pong.round == 1) {
this.pong.winner2 = winner;
this.pong.startGame(this.pong.winner1, this.pong.winner2)
this.pong.round++;
}
else {
this.pong.final_winner = winner;
this.pong.display_tree_tournament();
this.scoresDisplay.innerHTML = winner + ' wins!! GGS';
}
}
else
this.scoresDisplay.innerHTML = winner + ' wins!! GGS';
}
cleanup() {
clearInterval(this.interval);
document.removeEventListener('keydown', this.keyDownHandler);
document.removeEventListener('keyup', this.keyUpHandler);
this.canvas.style.display = 'none';
["up1", "up2", "down1", "down2", "player_name1", "player_name2"].forEach(button => {
if (document.getElementById(button) != null)
document.getElementById(button).remove();
});
let svg = document.getElementById("tree");
while (svg.firstChild)
svg.removeChild(svg.firstChild);
}
clear() {
this.context.clearRect(0, 0, this.canvas.width, this.canvas.height);
}
updateGame() {
//Paddle movement
if ((this.keys.includes('s') || this.keys.includes('down1')) &&
this.players[0].paddle.y + this.def.PADDLEHEIGHT < this.def.CANVASHEIGHT - this.def.PADDLEMARGIN)
this.players[0].paddle.y += this.def.PADDLESPEED;
if ((this.keys.includes('w') || this.keys.includes('up1')) &&
this.players[0].paddle.y > 0 + this.def.PADDLEMARGIN)
this.players[0].paddle.y -= this.def.PADDLESPEED;
if ((this.keys.includes('ArrowDown') || this.keys.includes('down2')) &&
this.players[1].paddle.y + this.def.PADDLEHEIGHT < this.def.CANVASHEIGHT - this.def.PADDLEMARGIN)
this.players[1].paddle.y += this.def.PADDLESPEED;
if ((this.keys.includes('ArrowUp') || this.keys.includes('up2')) &&
this.players[1].paddle.y > 0 + this.def.PADDLEMARGIN)
this.players[1].paddle.y -= this.def.PADDLESPEED;
//GOOAAAAL
if (this.ball.x <= 0)
this.updateScore.bind(this)(this.players[0].score, ++this.players[1].score);
else if (this.ball.x >= this.def.CANVASWIDTH)
this.updateScore.bind(this)(++this.players[0].score, this.players[1].score);
//Ball collisions
if (this.detectCollision(this.players[0].paddle, this.ball))
this.calculateBallVelocity(this.players[0].paddle.getCenter().y, this.ball);
else if (this.detectCollision(this.players[1].paddle, this.ball))
this.calculateBallVelocity(this.players[1].paddle.getCenter().y, this.ball, -1);
if (this.ball.y - this.ball.radius <= 0)
this.ball.vy *= -1;
else if (this.ball.y + this.ball.radius >= this.canvas.height)
this.ball.vy *= -1;
if (!this.ballRespawned) {
this.ball.x += this.ball.vx;
this.ball.y += this.ball.vy;
}
if(this.context instanceof CanvasRenderingContext2D)
{
this.clear();
}
else if(this.context instanceof WebGLRenderingContext)
{
this.context.clearColor(0.1, 0.1, 0.1, 1.0);
this.context.clearDepth(1.0);
this.context.enable(this.context.DEPTH_TEST);
this.context.depthFunc(this.context.LEQUAL);
this.context.clear(this.context.COLOR_BUFFER_BIT | this.context.DEPTH_BUFFER_BIT);
const projectionMatrix = mat4.create();
const viewMatrix = mat4.create();
mat4.perspective(projectionMatrix, (90 * Math.PI) / 180, this.context.canvas.clientWidth / this.context.canvas.clientHeight, 0.1, 10000000.0);
mat4.lookAt(viewMatrix, this.cam_pos, this.cam_target, this.cam_up);
this.setPositionAttribute();
this.setNormalAttribute();
this.context.useProgram(this.shader_prog.program);
this.context.uniformMatrix4fv(this.shader_prog.uniformLocations.projectionMatrix, false, projectionMatrix);
this.context.uniformMatrix4fv(this.shader_prog.uniformLocations.viewMatrix, false, viewMatrix);
}
else
{
alert('Unknown rendering context type');
}
this.players[0].paddle.update(this.context, this.shader_prog);
this.players[1].paddle.update(this.context, this.shader_prog);
this.ball.update(this.context, this.shader_prog);
}
updateScore(p1Score, p2Score) {
if (p1Score > this.def.MAXSCORE) {
this.finish(this.player_name1);
}
else if (p2Score > this.def.MAXSCORE) {
this.finish(this.player_name2);
} else {
this.scoresDisplay.innerHTML = `${this.player_name1}: ${p1Score} - ${this.player_name2}: ${p2Score}`;
this.ballStartSide = 1 - this.ballStartSide;
this.ball = new Ball(this.def, this.ballStartSide, this.context);
this.ballRespawned = true;
new Promise(r => setTimeout(r, 300))
.then(_ => this.ballRespawned = false);
}
}
detectCollision(paddle, ball) {
let paddleCenter = paddle.getCenter();
let dx = Math.abs(ball.x - paddleCenter.x);
let dy = Math.abs(ball.y - paddleCenter.y);
if (dx <= ball.radius + paddle.width / 2 &&
dy <= ball.radius + paddle.height / 2)
return true;
return false;
}
calculateBallVelocity(paddleCenterY, ball, side = 1) {
let relativeIntersectY = paddleCenterY - ball.y;
let normRelIntersectY = relativeIntersectY / this.def.PADDLEHEIGHT / 2;
let bounceAngle = normRelIntersectY * this.def.MAXBOUNCEANGLE;
ball.speed += ball.speed >= this.def.BALLMAXSPEED ? 0 : this.def.BALLSPEEDINCR;
ball.vx = ball.speed * side * Math.cos(bounceAngle);
ball.vy = ball.speed * -Math.sin(bounceAngle);
}
keyUpHandler(ev) {
let attributes = ev.target.attributes;
let key = ev.key === undefined ? `${attributes.direction.value}${attributes.user_id.value}` : ev.key;
const idx = this.keys.indexOf(key);
if (idx != -1)
this.keys.splice(idx, 1);
}
keyDownHandler(ev) {
let attributes = ev.target.attributes;
let key = ev.key === undefined ? `${attributes.direction.value}${attributes.user_id.value}` : ev.key;
if (!this.keys.includes(key))
this.keys.push(key);
}
setNormalAttribute()
{
const numComponents = 3;
const type = this.context.FLOAT;
const normalize = false;
const stride = 0;
const offset = 0;
this.context.bindBuffer(this.context.ARRAY_BUFFER, this.buffers.normal);
this.context.vertexAttribPointer(
this.shader_prog.attribLocations.vertexNormal,
numComponents,
type,
normalize,
stride,
offset,
);
this.context.enableVertexAttribArray(this.shader_prog.attribLocations.vertexNormal);
}
setPositionAttribute()
{
const numComponents = 3;
const type = this.context.FLOAT;
const normalize = false;
const stride = 0;
const offset = 0;
this.context.bindBuffer(this.context.ARRAY_BUFFER, this.buffers.vertex);
this.context.bindBuffer(this.context.ELEMENT_ARRAY_BUFFER, this.buffers.index);
this.context.vertexAttribPointer(
this.shader_prog.attribLocations.vertexPosition,
numComponents,
type,
normalize,
stride,
offset
);
this.context.enableVertexAttribArray(this.shader_prog.attribLocations.vertexPosition);
}
}
class Paddle {
constructor(paddleSide, def) {
this.width = def.PADDLEWIDTH;
this.height = def.PADDLEHEIGHT;
this.x = paddleSide;
this.y = def.CANVASHEIGHT / 2 - this.height / 2;
this.def = def;
this.update();
}
update(ctx, shader_infos) {
if(ctx instanceof CanvasRenderingContext2D)
{
ctx.fillStyle = 'black';
ctx.fillRect(this.x, this.y, this.width, this.height);
}
else if(ctx instanceof WebGLRenderingContext)
{
const posx = (this.x - this.def.CANVASWIDTH / 2);
const posy = (this.y - this.def.CANVASHEIGHT / 3);
if(shader_infos !== undefined)
renderCube(ctx, shader_infos, posx, 0, posy, 0, this.width, this.width, this.height / 2);
}
}
getCenter() {
return {
x: this.x + this.width / 2,
y: this.y + this.height / 2
};
}
}
class Ball {
constructor(def, startSide, ctx) {
this.radius = def.BALLRADIUS;
this.speed = def.BALLSPEED;
this.x = def.CANVASWIDTH / 2;
this.y = def.CANVASHEIGHT / 2;
this.vy = 0;
if (startSide === 0)
this.vx = -this.speed;
else
this.vx = this.speed;
this.def = def;
this.update(ctx);
}
update(ctx, shader_infos) {
if(ctx instanceof CanvasRenderingContext2D)
{
ctx.fillStyle = 'black';
ctx.beginPath();
ctx.arc(this.x, this.y, this.radius, 0, 2 * Math.PI);
ctx.fill();
}
else if(ctx instanceof WebGLRenderingContext)
{
const size = this.radius;
const posx = (this.x - this.radius / 2) - this.def.CANVASWIDTH / 2;
const posy = (this.y - this.radius / 2) - this.def.CANVASHEIGHT / 2;
if(shader_infos !== undefined)
renderCube(ctx, shader_infos, posx, 0, posy, 0, size, size, size);
}
}
}