Displays real-time basic strategy advice for Blackjack on both desktop and Torn PDA.
// ==UserScript==
// @name Torn Blackjack Assist
// @namespace torn.blackjack.assist
// @version 2.1
// @description Displays real-time basic strategy advice for Blackjack on both desktop and Torn PDA.
// @author eaksquad
// @match https://www.torn.com/page.php?sid=blackjack*
// @match https://www.torn.com/pda.php*step=blackjack*
// @grant none
// @license MIT
// ==/UserScript==
(function() {
'use strict';
const A = { HIT: 'Hit', STAND: 'Stand', DOUBLE: 'Double', SPLIT: 'Split' };
const strategy = {
hard: {
8: [A.HIT, A.HIT, A.HIT, A.HIT, A.HIT, A.HIT, A.HIT, A.HIT, A.HIT, A.HIT, A.HIT],
9: [A.HIT, A.HIT, A.DOUBLE, A.DOUBLE, A.DOUBLE, A.DOUBLE, A.HIT, A.HIT, A.HIT, A.HIT, A.HIT],
10: [A.HIT, A.DOUBLE, A.DOUBLE, A.DOUBLE, A.DOUBLE, A.DOUBLE, A.DOUBLE, A.DOUBLE, A.DOUBLE, A.HIT, A.HIT],
11: [A.HIT, A.DOUBLE, A.DOUBLE, A.DOUBLE, A.DOUBLE, A.DOUBLE, A.DOUBLE, A.DOUBLE, A.DOUBLE, A.DOUBLE, A.HIT],
12: [A.HIT, A.HIT, A.STAND, A.STAND, A.STAND, A.HIT, A.HIT, A.HIT, A.HIT, A.HIT, A.HIT],
13: [A.HIT, A.STAND, A.STAND, A.STAND, A.STAND, A.STAND, A.HIT, A.HIT, A.HIT, A.HIT, A.HIT],
14: [A.HIT, A.STAND, A.STAND, A.STAND, A.STAND, A.STAND, A.HIT, A.HIT, A.HIT, A.HIT, A.HIT],
15: [A.HIT, A.STAND, A.STAND, A.STAND, A.STAND, A.STAND, A.HIT, A.HIT, A.HIT, A.HIT, A.HIT],
16: [A.HIT, A.STAND, A.STAND, A.STAND, A.STAND, A.STAND, A.HIT, A.HIT, A.HIT, A.HIT, A.HIT],
17: Array(11).fill(A.STAND), 18: Array(11).fill(A.STAND),
19: Array(11).fill(A.STAND), 20: Array(11).fill(A.STAND), 21: Array(11).fill(A.STAND),
},
soft: {
13: [A.HIT, A.HIT, A.HIT, A.HIT, A.DOUBLE, A.DOUBLE, A.HIT, A.HIT, A.HIT, A.HIT, A.HIT],
14: [A.HIT, A.HIT, A.HIT, A.HIT, A.DOUBLE, A.DOUBLE, A.HIT, A.HIT, A.HIT, A.HIT, A.HIT],
15: [A.HIT, A.HIT, A.HIT, A.DOUBLE, A.DOUBLE, A.DOUBLE, A.HIT, A.HIT, A.HIT, A.HIT, A.HIT],
16: [A.HIT, A.HIT, A.HIT, A.DOUBLE, A.DOUBLE, A.DOUBLE, A.HIT, A.HIT, A.HIT, A.HIT, A.HIT],
17: [A.HIT, A.HIT, A.DOUBLE, A.DOUBLE, A.DOUBLE, A.DOUBLE, A.DOUBLE, A.HIT, A.HIT, A.HIT, A.HIT],
18: [A.STAND, A.DOUBLE, A.DOUBLE, A.DOUBLE, A.DOUBLE, A.STAND, A.STAND, A.HIT, A.HIT, A.STAND, A.STAND],
19: Array(11).fill(A.STAND), 20: Array(11).fill(A.STAND),
},
pair: {
2: [A.SPLIT, A.SPLIT, A.SPLIT, A.SPLIT, A.SPLIT, A.SPLIT, A.HIT, A.HIT, A.HIT, A.HIT, A.HIT],
3: [A.SPLIT, A.SPLIT, A.SPLIT, A.SPLIT, A.SPLIT, A.SPLIT, A.HIT, A.HIT, A.HIT, A.HIT, A.HIT],
4: [A.HIT, A.HIT, A.HIT, A.SPLIT, A.SPLIT, A.HIT, A.HIT, A.HIT, A.HIT, A.HIT, A.HIT],
5: [A.HIT, A.DOUBLE, A.DOUBLE, A.DOUBLE, A.DOUBLE, A.DOUBLE, A.DOUBLE, A.DOUBLE, A.DOUBLE, A.HIT, A.HIT],
6: [A.HIT, A.SPLIT, A.SPLIT, A.SPLIT, A.SPLIT, A.SPLIT, A.HIT, A.HIT, A.HIT, A.HIT, A.HIT],
7: [A.SPLIT, A.SPLIT, A.SPLIT, A.SPLIT, A.SPLIT, A.SPLIT, A.SPLIT, A.HIT, A.HIT, A.HIT, A.HIT],
8: Array(11).fill(A.SPLIT),
9: [A.SPLIT, A.SPLIT, A.SPLIT, A.SPLIT, A.SPLIT, A.STAND, A.SPLIT, A.SPLIT, A.STAND, A.STAND, A.STAND],
10: Array(11).fill(A.STAND),
11: Array(11).fill(A.SPLIT),
}
};
function getCardValue(cardElement) {
if (!cardElement) return 0;
const match = cardElement.className.match(/card-\w+-(\w+)/);
if (!match || !match[1]) return 0;
const rank = match[1];
if (['J', 'Q', 'K'].includes(rank)) return 10;
if (rank === 'A') return 11;
return parseInt(rank, 10);
}
function getHandInfo(cardContainerSelector) {
const cardElements = document.querySelectorAll(`${cardContainerSelector} div[class*="card-"]`);
const cards = Array.from(cardElements).map(getCardValue);
let sum = cards.reduce((a, b) => a + b, 0);
let aces = cards.filter(v => v === 11).length;
while (sum > 21 && aces-- > 0) sum -= 10;
const isPair = cards.length === 2 && cards[0] === cards[1];
return { cards, total: sum, isSoft: aces > 0 && sum <= 21, isPair };
}
function getDecision(dealerCardValue, playerHand) {
// *** THE FINAL FIX *** A dealer Ace (11) maps to index 1 in our tables.
const dealerIndex = dealerCardValue === 11 ? 1 : dealerCardValue;
if (playerHand.isPair) {
const pairValue = playerHand.cards[0] === 11 ? 11 : playerHand.cards[0];
return strategy.pair[pairValue]?.[dealerIndex] || A.HIT;
}
if (playerHand.isSoft) {
return strategy.soft[playerHand.total]?.[dealerIndex] || A.STAND;
}
return strategy.hard[playerHand.total]?.[dealerIndex] || A.STAND;
}
function mainObserverCallback() {
const dealerCardEl = document.querySelector('.dealer-cards div[class*="card-"]');
const dealerCardValue = getCardValue(dealerCardEl);
const playerHand = getHandInfo('.player-cards');
const canTakeAction = document.querySelector('#hit, #stand');
if (!dealerCardValue || playerHand.cards.length < 2 || !canTakeAction || playerHand.total >= 21) {
updateOverlay('---');
return;
}
const decision = getDecision(dealerCardValue, playerHand);
updateOverlay(decision, playerHand.total);
}
// --- UI, Styling, Draggable Logic ---
function addStyles() {
const style = document.createElement('style');
style.innerHTML = `#bj-helper-overlay { position: fixed; background-color: rgba(0,0,0,0.85); color: white; padding: 12px 18px; border-radius: 10px; border: 2px solid; font-family: Arial,"Helvetica Neue",Helvetica,sans-serif; text-align: center; z-index: 9999; box-shadow: 0 4px 8px rgba(0,0,0,0.5); min-width: 150px; transition: all 0.3s ease; cursor: move; user-select: none; } #bj-helper-advice-text { font-size: 24px; font-weight: bold; text-shadow: 0 0 5px #000; } #bj-helper-hand-total { font-size: 14px; opacity: 0.8; margin-top: 4px; } .bj-hit { border-color: #ff9900; background-color: rgba(102,60,0,0.7); } .bj-stand, .bj-double { border-color: #4CAF50; background-color: rgba(30,77,32,0.7); } .bj-split { border-color: #2196F3; background-color: rgba(13,60,99,0.7); } .bj-idle { border-color: #666; }`;
document.head.appendChild(style);
}
function makeDraggable(element) {
const STORAGE_POS_KEY = 'bjHelperPosition'; let isDragging = false, offsetX, offsetY; const savedPos = localStorage.getItem(STORAGE_POS_KEY); if (savedPos) { const { top, left } = JSON.parse(savedPos); element.style.top = top; element.style.left = left; } else { element.style.right = '20px'; element.style.bottom = '20px'; } const onDragStart = (e) => { isDragging = true; e.preventDefault(); const event = e.touches ? e.touches[0] : e; offsetX = event.clientX - element.offsetLeft; offsetY = event.clientY - element.offsetTop; element.style.right = ''; element.style.bottom = ''; window.addEventListener('mousemove', onDragMove, { passive: false }); window.addEventListener('touchmove', onDragMove, { passive: false }); window.addEventListener('mouseup', onDragEnd); window.addEventListener('touchend', onDragEnd); }; const onDragMove = (e) => { if (!isDragging) return; e.preventDefault(); const event = e.touches ? e.touches[0] : e; element.style.left = `${event.clientX - offsetX}px`; element.style.top = `${event.clientY - offsetY}px`; }; const onDragEnd = () => { isDragging = false; localStorage.setItem(STORAGE_POS_KEY, JSON.stringify({ top: element.style.top, left: element.style.left })); window.removeEventListener('mousemove', onDragMove); window.removeEventListener('touchmove', onDragMove); window.removeEventListener('mouseup', onDragEnd); window.removeEventListener('touchend', onDragEnd); }; element.addEventListener('mousedown', onDragStart); element.addEventListener('touchstart', onDragStart);
}
function createOverlay() {
if (document.getElementById('bj-helper-overlay')) return;
const overlay = document.createElement('div');
overlay.id = 'bj-helper-overlay';
overlay.innerHTML = `<div><div id="bj-helper-advice-text">---</div><div id="bj-helper-hand-total">Waiting for hand</div></div>`;
document.body.appendChild(overlay);
makeDraggable(overlay);
}
function updateOverlay(decision = '---', total = 0) {
const overlay = document.getElementById('bj-helper-overlay');
const adviceEl = document.getElementById('bj-helper-advice-text');
const totalEl = document.getElementById('bj-helper-hand-total');
if (!overlay || !adviceEl || !totalEl) return;
adviceEl.textContent = decision;
totalEl.textContent = total > 0 ? `on your ${total}` : 'Waiting for hand';
overlay.className = '';
if (decision !== '---') { overlay.classList.add(`bj-${decision.toLowerCase()}`); } else { overlay.classList.add('bj-idle'); }
}
function initialize() {
const gameContainer = document.querySelector('.blackjack, .blackjack-wrap');
if (!gameContainer) return;
if (!document.getElementById('bj-helper-overlay')) {
addStyles();
createOverlay();
}
const observer = new MutationObserver(mainObserverCallback);
observer.observe(gameContainer, { childList: true, subtree: true });
mainObserverCallback();
}
if (document.readyState === 'loading') {
window.addEventListener('DOMContentLoaded', initialize);
} else {
initialize();
}
})();