79 lines
2.2 KiB
JavaScript
79 lines
2.2 KiB
JavaScript
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// @flow
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import Piece from "./Piece";
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import ScoreManager from "./ScoreManager";
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export default class GridManager {
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#currentGrid: Array<Array<Object>>;
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#colors: Object;
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constructor(width: number, height: number, colors: Object) {
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this.#colors = colors;
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this.#currentGrid = this.getEmptyGrid(height, width);
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}
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getCurrentGrid() {
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return this.#currentGrid;
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}
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getEmptyLine(width: number) {
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let line = [];
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for (let col = 0; col < width; col++) {
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line.push({
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color: this.#colors.tetrisBackground,
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isEmpty: true,
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});
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}
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return line;
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}
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getEmptyGrid(height: number, width: number) {
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let grid = [];
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for (let row = 0; row < height; row++) {
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grid.push(this.getEmptyLine(width));
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}
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return grid;
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}
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getGridCopy() {
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return JSON.parse(JSON.stringify(this.#currentGrid));
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}
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getFinalGrid(currentObject: Piece) {
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let finalGrid = this.getGridCopy();
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currentObject.toGrid(finalGrid, false);
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return finalGrid;
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}
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clearLines(lines: Array<number>, scoreManager: ScoreManager) {
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lines.sort();
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for (let i = 0; i < lines.length; i++) {
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this.#currentGrid.splice(lines[i], 1);
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this.#currentGrid.unshift(this.getEmptyLine(this.#currentGrid[0].length));
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}
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scoreManager.addLinesRemovedPoints(lines.length);
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}
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getLinesToClear(coord: Object) {
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let rows = [];
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for (let i = 0; i < coord.length; i++) {
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let isLineFull = true;
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for (let col = 0; col < this.#currentGrid[coord[i].y].length; col++) {
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if (this.#currentGrid[coord[i].y][col].isEmpty) {
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isLineFull = false;
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break;
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}
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}
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if (isLineFull && rows.indexOf(coord[i].y) === -1)
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rows.push(coord[i].y);
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}
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return rows;
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}
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freezeTetromino(currentObject: Piece, scoreManager: ScoreManager) {
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currentObject.toGrid(this.#currentGrid, false);
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this.clearLines(this.getLinesToClear(currentObject.getCoordinates()), scoreManager);
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}
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}
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