72 lines
1.6 KiB
JavaScript
72 lines
1.6 KiB
JavaScript
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export const MARKERS = {
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MISS: 'm',
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RIGHT_POS: 'g',
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RIGHT_CHAR: 'y'
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};
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export class GameController {
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constructor() {
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this._currentWord = "DEERS";
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this._guesses = 5;
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}
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wordLength() {
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return this._currentWord.length;
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}
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guesses() {
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return this._guesses;
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}
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checkGuess(guess) {
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if (guess.length != this._currentWord.length) {
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throw Error(`Expected length to be ${this._currentWord.length} but was ${guess.length}`);
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}
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// Check correct placements
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let markers = new Array(guess.length);
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let misses = {};
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let hits = {};
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for (let i = 0; i < guess.length; i++) {
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if (guess[i] == this._currentWord[i]) {
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markers[i] = MARKERS.RIGHT_POS;
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hits[guess[i]] = MARKERS.RIGHT_POS;
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} else {
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if (this._currentWord[i] in misses) {
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misses[this._currentWord[i]] += 1;
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} else {
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misses[this._currentWord[i]] = 1;
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}
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}
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}
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// Check words that are wrong placement but are in the word
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// Distribute based on the words position
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for (let i = 0; i < guess.length; i++) {
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if (markers[i]) {
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continue;
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}
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if (misses[guess[i]] && misses[guess[i]] > 0) {
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misses[guess[i]] -= 1;
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markers[i] = MARKERS.RIGHT_CHAR;
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if (!hits[guess[i]]) {
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hits[guess[i]] = MARKERS.RIGHT_CHAR;
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}
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} else {
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if (!hits[guess[i]]) {
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hits[guess[i]] = MARKERS.MISS;
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}
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markers[i] = MARKERS.MISS;
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}
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}
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return {
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hits: hits,
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markers: markers
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};
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}
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}
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