thomashamburg eb1f14d19c tetris v1
2025-09-29 17:46:48 +02:00

316 lines
11 KiB
JavaScript

const canvas = document.getElementById('gameCanvas');
const ctx = canvas.getContext('2d');
const nextCanvas = document.getElementById('nextCanvas');
const nextCtx = nextCanvas.getContext('2d');
const holdCanvas = document.getElementById('holdCanvas');
const holdCtx = holdCanvas.getContext('2d');
const CELL_SIZE = 30;
const COLORS = [
'#000000', // Empty
'#00f5ff', // I - Cyan
'#ffff00', // O - Yellow
'#800080', // T - Purple
'#00ff00', // S - Green
'#ff0000', // Z - Red
'#0000ff', // J - Blue
'#ffa500' // L - Orange
];
let gameState = null;
let eventSource = null;
// Tetrimino shapes for rendering (only first rotation needed for display)
const shapes = {
1: [[0, 0, 0, 0], [1, 1, 1, 1], [0, 0, 0, 0], [0, 0, 0, 0]], // I
2: [[0, 1, 1, 0], [0, 1, 1, 0], [0, 0, 0, 0], [0, 0, 0, 0]], // O
3: [[0, 1, 0, 0], [1, 1, 1, 0], [0, 0, 0, 0], [0, 0, 0, 0]], // T
4: [[0, 1, 1, 0], [1, 1, 0, 0], [0, 0, 0, 0], [0, 0, 0, 0]], // S
5: [[1, 1, 0, 0], [0, 1, 1, 0], [0, 0, 0, 0], [0, 0, 0, 0]], // Z
6: [[1, 0, 0, 0], [1, 1, 1, 0], [0, 0, 0, 0], [0, 0, 0, 0]], // J
7: [[0, 0, 1, 0], [1, 1, 1, 0], [0, 0, 0, 0], [0, 0, 0, 0]] // L
};
// Current piece shapes with all rotations
const currentPieceShapes = {
1: [ // I piece
[[0, 0, 0, 0], [1, 1, 1, 1], [0, 0, 0, 0], [0, 0, 0, 0]],
[[0, 0, 1, 0], [0, 0, 1, 0], [0, 0, 1, 0], [0, 0, 1, 0]],
[[0, 0, 0, 0], [0, 0, 0, 0], [1, 1, 1, 1], [0, 0, 0, 0]],
[[0, 1, 0, 0], [0, 1, 0, 0], [0, 1, 0, 0], [0, 1, 0, 0]]
],
2: [ // O piece
[[0, 1, 1, 0], [0, 1, 1, 0], [0, 0, 0, 0], [0, 0, 0, 0]],
[[0, 1, 1, 0], [0, 1, 1, 0], [0, 0, 0, 0], [0, 0, 0, 0]],
[[0, 1, 1, 0], [0, 1, 1, 0], [0, 0, 0, 0], [0, 0, 0, 0]],
[[0, 1, 1, 0], [0, 1, 1, 0], [0, 0, 0, 0], [0, 0, 0, 0]]
],
3: [ // T piece
[[0, 1, 0, 0], [1, 1, 1, 0], [0, 0, 0, 0], [0, 0, 0, 0]],
[[0, 1, 0, 0], [0, 1, 1, 0], [0, 1, 0, 0], [0, 0, 0, 0]],
[[0, 0, 0, 0], [1, 1, 1, 0], [0, 1, 0, 0], [0, 0, 0, 0]],
[[0, 1, 0, 0], [1, 1, 0, 0], [0, 1, 0, 0], [0, 0, 0, 0]]
],
4: [ // S piece
[[0, 1, 1, 0], [1, 1, 0, 0], [0, 0, 0, 0], [0, 0, 0, 0]],
[[0, 1, 0, 0], [0, 1, 1, 0], [0, 0, 1, 0], [0, 0, 0, 0]],
[[0, 0, 0, 0], [0, 1, 1, 0], [1, 1, 0, 0], [0, 0, 0, 0]],
[[1, 0, 0, 0], [1, 1, 0, 0], [0, 1, 0, 0], [0, 0, 0, 0]]
],
5: [ // Z piece
[[1, 1, 0, 0], [0, 1, 1, 0], [0, 0, 0, 0], [0, 0, 0, 0]],
[[0, 0, 1, 0], [0, 1, 1, 0], [0, 1, 0, 0], [0, 0, 0, 0]],
[[0, 0, 0, 0], [1, 1, 0, 0], [0, 1, 1, 0], [0, 0, 0, 0]],
[[0, 1, 0, 0], [1, 1, 0, 0], [1, 0, 0, 0], [0, 0, 0, 0]]
],
6: [ // J piece
[[1, 0, 0, 0], [1, 1, 1, 0], [0, 0, 0, 0], [0, 0, 0, 0]],
[[0, 1, 1, 0], [0, 1, 0, 0], [0, 1, 0, 0], [0, 0, 0, 0]],
[[0, 0, 0, 0], [1, 1, 1, 0], [0, 0, 1, 0], [0, 0, 0, 0]],
[[0, 1, 0, 0], [0, 1, 0, 0], [1, 1, 0, 0], [0, 0, 0, 0]]
],
7: [ // L piece
[[0, 0, 1, 0], [1, 1, 1, 0], [0, 0, 0, 0], [0, 0, 0, 0]],
[[0, 1, 0, 0], [0, 1, 0, 0], [0, 1, 1, 0], [0, 0, 0, 0]],
[[0, 0, 0, 0], [1, 1, 1, 0], [1, 0, 0, 0], [0, 0, 0, 0]],
[[1, 1, 0, 0], [0, 1, 0, 0], [0, 1, 0, 0], [0, 0, 0, 0]]
]
};
function connectEventSource() {
if (eventSource) {
eventSource.close();
}
eventSource = new EventSource('/events');
eventSource.onopen = function () {
updateConnectionStatus('Connected', true);
};
eventSource.onmessage = function (event) {
gameState = JSON.parse(event.data);
render();
updateUI();
};
eventSource.onerror = function (event) {
console.log('EventSource failed:', event);
updateConnectionStatus('Disconnected', false);
setTimeout(connectEventSource, 2000);
};
}
function updateConnectionStatus(status, connected) {
const statusElement = document.getElementById('connectionStatus');
statusElement.textContent = status;
statusElement.className = connected ? 'connection-status' : 'connection-status disconnected';
}
function sendAction(action, direction = '') {
const url = '/action?action=' + action + (direction ? '&direction=' + direction : '');
fetch(url, { method: 'POST' }).catch(console.error);
}
function startGame() {
document.getElementById('gameOver').style.display = 'none';
sendAction('start');
}
function render() {
if (!gameState) return;
// Clear main canvas
ctx.fillStyle = '#111';
ctx.fillRect(0, 0, canvas.width, canvas.height);
// Draw board (only visible part: rows 0-19, but our array is 0-39)
for (let y = 0; y < 20; y++) {
for (let x = 0; x < 10; x++) {
const cellValue = gameState.board[y][x];
if (cellValue > 0) {
ctx.fillStyle = COLORS[cellValue];
ctx.fillRect(x * CELL_SIZE, (19 - y) * CELL_SIZE, CELL_SIZE, CELL_SIZE);
ctx.strokeStyle = '#333';
ctx.strokeRect(x * CELL_SIZE, (19 - y) * CELL_SIZE, CELL_SIZE, CELL_SIZE);
}
}
}
// Draw current piece
if (gameState.current_piece && gameState.game_running) {
const piece = gameState.current_piece;
const shape = currentPieceShapes[piece.type][piece.rotation];
if (shape) {
ctx.fillStyle = COLORS[piece.type];
for (let py = 0; py < 4; py++) {
for (let px = 0; px < 4; px++) {
if (shape[py][px]) {
const boardX = piece.x + px;
const boardY = piece.y + py;
if (boardY < 20) { // Only draw visible part
ctx.fillRect(boardX * CELL_SIZE, (19 - boardY) * CELL_SIZE, CELL_SIZE, CELL_SIZE);
ctx.strokeStyle = '#666';
ctx.strokeRect(boardX * CELL_SIZE, (19 - boardY) * CELL_SIZE, CELL_SIZE, CELL_SIZE);
}
}
}
}
}
}
// Draw grid
ctx.strokeStyle = '#333';
ctx.lineWidth = 1;
for (let x = 0; x <= 10; x++) {
ctx.beginPath();
ctx.moveTo(x * CELL_SIZE, 0);
ctx.lineTo(x * CELL_SIZE, canvas.height);
ctx.stroke();
}
for (let y = 0; y <= 20; y++) {
ctx.beginPath();
ctx.moveTo(0, y * CELL_SIZE);
ctx.lineTo(canvas.width, y * CELL_SIZE);
ctx.stroke();
}
renderNextPieces();
renderHoldPiece();
}
function renderNextPieces() {
nextCtx.fillStyle = '#111';
nextCtx.fillRect(0, 0, nextCanvas.width, nextCanvas.height);
if (!gameState || !gameState.next_pieces) return;
for (let i = 0; i < Math.min(6, gameState.next_pieces.length); i++) {
const pieceType = gameState.next_pieces[i];
const shape = shapes[pieceType];
if (shape) {
nextCtx.fillStyle = COLORS[pieceType];
const offsetY = i * 50 + 5;
for (let py = 0; py < 4; py++) {
for (let px = 0; px < 4; px++) {
if (shape[py][px]) {
nextCtx.fillRect(px * 15 + 10, py * 15 + offsetY, 15, 15);
nextCtx.strokeStyle = '#666';
nextCtx.strokeRect(px * 15 + 10, py * 15 + offsetY, 15, 15);
}
}
}
}
}
}
function renderHoldPiece() {
holdCtx.fillStyle = '#111';
holdCtx.fillRect(0, 0, holdCanvas.width, holdCanvas.height);
if (!gameState || !gameState.hold_piece) return;
const pieceType = gameState.hold_piece;
const shape = shapes[pieceType];
if (shape) {
holdCtx.fillStyle = gameState.can_hold ? COLORS[pieceType] : '#666';
for (let py = 0; py < 4; py++) {
for (let px = 0; px < 4; px++) {
if (shape[py][px]) {
holdCtx.fillRect(px * 15 + 10, py * 15 + 10, 15, 15);
holdCtx.strokeStyle = '#444';
holdCtx.strokeRect(px * 15 + 10, py * 15 + 10, 15, 15);
}
}
}
}
}
function updateUI() {
if (!gameState) return;
document.getElementById('score').textContent = gameState.score.toLocaleString();
document.getElementById('level').textContent = gameState.level;
document.getElementById('lines').textContent = gameState.lines_cleared;
document.getElementById('goal').textContent = gameState.level * gameState.lines_for_level;
// Update game status
let gameStatus = 'Not Started';
if (gameState.game_over) {
gameStatus = 'Game Over';
} else if (gameState.game_running) {
gameStatus = 'Playing';
}
document.getElementById('gameStatus').textContent = gameStatus;
if (gameState.game_over) {
document.getElementById('finalScore').textContent = gameState.score.toLocaleString();
document.getElementById('finalLevel').textContent = gameState.level;
document.getElementById('finalLines').textContent = gameState.lines_cleared;
document.getElementById('gameOver').style.display = 'block';
}
}
// Keyboard controls
document.addEventListener('keydown', function (event) {
if (!gameState || !gameState.game_running) return;
switch (event.code) {
case 'ArrowLeft':
event.preventDefault();
sendAction('move', 'left');
break;
case 'ArrowRight':
event.preventDefault();
sendAction('move', 'right');
break;
case 'ArrowDown':
event.preventDefault();
sendAction('move', 'down');
break;
case 'Space':
event.preventDefault();
sendAction('hard_drop');
break;
case 'KeyZ':
event.preventDefault();
sendAction('rotate', 'ccw');
break;
case 'KeyX':
case 'ArrowUp':
event.preventDefault();
sendAction('rotate', 'cw');
break;
case 'KeyC':
event.preventDefault();
sendAction('hold');
break;
case 'KeyR':
if (event.ctrlKey) {
event.preventDefault();
location.reload();
}
break;
}
});
// Prevent context menu on right click
document.addEventListener('contextmenu', function (e) {
e.preventDefault();
});
// Initialize connection when page loads
window.addEventListener('load', function () {
connectEventSource();
});
// Handle page visibility changes
document.addEventListener('visibilitychange', function () {
if (document.hidden) {
if (eventSource) {
eventSource.close();
}
} else {
connectEventSource();
}
});