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https://github.com/coding-horror/basic-computer-games.git
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Merge pull request #409 from millwardesque/main
Refactoring for Javascript WAR
This commit is contained in:
Jeff Atwood
@@ -1,60 +1,95 @@
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// WAR
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//
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// Converted from BASIC to Javascript by Oscar Toledo G. (nanochess)
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// Original conversion from BASIC to Javascript by Oscar Toledo G. (nanochess)
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//
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function print(str)
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{
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function print(str) {
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document.getElementById("output").appendChild(document.createTextNode(str));
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}
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function input()
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{
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var input_element;
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var input_str;
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return new Promise(function (resolve) {
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input_element = document.createElement("INPUT");
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print("? ");
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input_element.setAttribute("type", "text");
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input_element.setAttribute("length", "50");
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document.getElementById("output").appendChild(input_element);
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input_element.focus();
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input_str = undefined;
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input_element.addEventListener("keydown", function (event) {
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if (event.keyCode == 13) {
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input_str = input_element.value;
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document.getElementById("output").removeChild(input_element);
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print(input_str);
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print("\n");
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resolve(input_str);
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}
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});
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});
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}
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function tab(space)
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{
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var str = "";
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while (space-- > 0)
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function tab(space) {
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let str = "";
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while (space-- > 0) {
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str += " ";
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}
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return str;
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}
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var a = [, "S-2","H-2","C-2","D-2","S-3","H-3","C-3","D-3",
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"S-4","H-4","C-4","D-4","S-5","H-5","C-5","D-5",
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"S-6","H-6","C-6","D-6","S-7","H-7","C-7","D-7",
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"S-8","H-8","C-8","D-8","S-9","H-9","C-9","D-9",
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"S-10","H-10","C-10","D-10","S-J","H-J","C-J","D-J",
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"S-Q","H-Q","C-Q","D-Q","S-K","H-K","C-K","D-K",
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"S-A","H-A","C-A","D-A"];
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function input() {
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return new Promise(function (resolve) {
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const input_element = document.createElement("INPUT");
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var l = [];
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print("? ");
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input_element.setAttribute("type", "text");
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input_element.setAttribute("length", "50");
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document.getElementById("output").appendChild(input_element);
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input_element.focus();
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input_element.addEventListener("keydown", function (event) {
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if (event.keyCode == 13) {
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const input_str = input_element.value;
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document.getElementById("output").removeChild(input_element);
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print(input_str);
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print("\n");
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resolve(input_str);
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}
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});
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});
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}
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// Main control section
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async function main()
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{
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async function askYesOrNo(question) {
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while (1) {
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print(question);
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const str = await input();
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if (str == "YES") {
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return true;
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}
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else if (str == "NO") {
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return false;
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}
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else {
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print("YES OR NO, PLEASE. ");
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}
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}
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}
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async function askAboutInstructions() {
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const playerWantsInstructions = await askYesOrNo("DO YOU WANT DIRECTIONS");
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if (playerWantsInstructions) {
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print("THE COMPUTER GIVES YOU AND IT A 'CARD'. THE HIGHER CARD\n");
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print("(NUMERICALLY) WINS. THE GAME ENDS WHEN YOU CHOOSE NOT TO\n");
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print("CONTINUE OR WHEN YOU HAVE FINISHED THE PACK.\n");
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}
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print("\n");
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print("\n");
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}
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function createGameDeck(cards, gameSize) {
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const deck = [];
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const deckSize = cards.length;
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for (let j = 0; j < gameSize; j++) {
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let card;
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// Compute a new card index until we find one that isn't already in the new deck
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do {
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card = Math.floor(deckSize * Math.random());
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} while (deck.includes(card));
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deck.push(card);
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}
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return deck;
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}
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function computeCardValue(cardIndex) {
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return Math.floor(cardIndex / 4);
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}
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function printGameOver(playerScore, computerScore) {
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print("\n");
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print("\n");
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print(`WE HAVE RUN OUT OF CARDS. FINAL SCORE: YOU: ${playerScore} THE COMPUTER: ${computerScore}\n`);
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print("\n");
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}
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function printTitle() {
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print(tab(33) + "WAR\n");
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print(tab(15) + "CREATIVE COMPUTING MORRISTOWN, NEW JERSEY\n");
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print("\n");
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@@ -62,72 +97,65 @@ async function main()
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print("\n");
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print("THIS IS THE CARD GAME OF WAR. EACH CARD IS GIVEN BY SUIT-#\n");
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print("AS S-7 FOR SPADE 7. ");
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while (1) {
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print("DO YOU WANT DIRECTIONS");
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str = await input();
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if (str == "YES") {
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print("THE COMPUTER GIVES YOU AND IT A 'CARD'. THE HIGHER CARD\n");
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print("(NUMERICALLY) WINS. THE GAME ENDS WHEN YOU CHOOSE NOT TO\n");
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print("CONTINUE OR WHEN YOU HAVE FINISHED THE PACK.\n");
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break;
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}
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if (str == "NO")
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break;
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print("YES OR NO, PLEASE. ");
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}
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print("\n");
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}
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function printCards(playerCard, computerCard) {
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print("\n");
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print(`YOU: ${playerCard}\tCOMPUTER: ${computerCard}\n`);
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}
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const cards = [
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"S-2", "H-2", "C-2", "D-2",
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"S-3", "H-3", "C-3", "D-3",
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"S-4", "H-4", "C-4", "D-4",
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"S-5", "H-5", "C-5", "D-5",
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"S-6", "H-6", "C-6", "D-6",
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"S-7", "H-7", "C-7", "D-7",
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"S-8", "H-8", "C-8", "D-8",
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"S-9", "H-9", "C-9", "D-9",
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"S-10", "H-10", "C-10", "D-10",
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"S-J", "H-J", "C-J", "D-J",
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"S-Q", "H-Q", "C-Q", "D-Q",
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"S-K", "H-K", "C-K", "D-K",
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"S-A", "H-A", "C-A", "D-A"
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];
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// Main control section
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async function main() {
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printTitle();
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await askAboutInstructions();
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a1 = 0;
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b1 = 0;
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p = 0;
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let computerScore = 0;
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let playerScore = 0;
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// Generate a random deck
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for (j = 1; j <= 52; j++) {
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do {
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l[j] = Math.floor(52 * Math.random()) + 1;
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for (k = 1; k < j; k++) {
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if (l[k] == l[j]) // Already in deck?
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break;
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}
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} while (j != 1 && k < j) ;
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}
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l[j] = 0; // Mark the end of the deck
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const gameSize = cards.length; // Number of cards to shuffle into the game deck. Can be <= cards.length.
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const deck = createGameDeck(cards, gameSize);
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let shouldContinuePlaying = true;
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while (1) {
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m1 = l[++p]; // Take a card
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m2 = l[++p]; // Take a card
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print("\n");
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print("YOU: " + a[m1] + "\tCOMPUTER: " + a[m2] + "\n");
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n1 = Math.floor((m1 - 0.5) / 4);
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n2 = Math.floor((m2 - 0.5) / 4);
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if (n1 < n2) {
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a1++;
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print("THE COMPUTER WINS!!! YOU HAVE " + b1 + " AND THE COMPUTER HAS " + a1 + "\n");
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} else if (n1 > n2) {
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b1++;
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print("YOU WIN. YOU HAVE " + b1 + " AND THE COMPUTER HAS " + a1 + "\n");
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while (deck.length > 0 && shouldContinuePlaying) {
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const playerCard = deck.shift(); // Take a card
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const computerCard = deck.shift(); // Take a card
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printCards(cards[playerCard], cards[computerCard]);
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const playerCardValue = computeCardValue(playerCard);
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const computerCardValue = computeCardValue(computerCard);
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if (playerCardValue < computerCardValue) {
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computerScore++;
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print("THE COMPUTER WINS!!! YOU HAVE " + playerScore + " AND THE COMPUTER HAS " + computerScore + "\n");
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} else if (playerCardValue > computerCardValue) {
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playerScore++;
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print("YOU WIN. YOU HAVE " + playerScore + " AND THE COMPUTER HAS " + computerScore + "\n");
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} else {
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print("TIE. NO SCORE CHANGE.\n");
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}
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if (l[p + 1] == 0) {
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print("\n");
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print("\n");
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print("WE HAVE RUN OUT OF CARDS. FINAL SCORE: YOU: " + b1 + " THE COMPUTER: " + a1 + "\n");
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print("\n");
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break;
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if (deck.length === 0) {
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printGameOver(playerScore, computerScore);
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}
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while (1) {
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print("DO YOU WANT TO CONTINUE");
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str = await input();
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if (str == "YES")
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break;
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if (str == "NO")
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break;
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print("YES OR NO, PLEASE. ");
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else {
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shouldContinuePlaying = await askYesOrNo("DO YOU WANT TO CONTINUE");
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}
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if (str == "NO")
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break;
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}
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print("THANKS FOR PLAYING. IT WAS FUN.\n");
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print("\n");
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