@haelp/teto/dist/engine/board/connected.mjs

A typescript-based controllable TETR.IO client.

import { Mino } from "../queue/index.mjs";
export class ConnectedBoard {
    state;
    _height;
    _width;
    _buffer;
    constructor(options){
        this._width = options.width;
        this._height = options.height;
        this._buffer = options.buffer;
        this.state = Array(this.fullHeight).fill(null).map(()=>Array(this.width).fill(null));
    }
    get height() {
        return this._height;
    }
    set height(value) {
        this._height = value;
    }
    get width() {
        return this._width;
    }
    set width(value) {
        this._width = value;
    }
    get buffer() {
        return this._buffer;
    }
    set buffer(value) {
        this._buffer = value;
    }
    get fullHeight() {
        return this.height + this.buffer;
    }
    add(...blocks) {
        blocks.forEach(([item, x, y])=>{
            if (y < 0 || y >= this.fullHeight || x < 0 || x >= this.width) return;
            this.state[y][x] = item;
        });
    }
    clearLines() {
        let garbageCleared = 0;
        const lines = [];
        this.state.forEach((row, idx)=>{
            if (row.every((block)=>block !== null && block.mino !== Mino.BOMB)) {
                lines.push(idx);
                if (idx > 0) {
                    this.state[idx - 1].forEach((block)=>{
                        if (block) {
                            block.connection |= 0b1000;
                            if (block.connection & 0b0010) block.connection &= 0b0_1111;
                        }
                    });
                }
                if (idx < this.fullHeight - 1) {
                    this.state[idx + 1].forEach((block)=>{
                        if (block) {
                            block.connection |= 0b0010;
                            if (block.connection & 0b1000) block.connection &= 0b0_1111;
                        }
                    });
                }
                if (row.some((block)=>block?.mino === Mino.GARBAGE)) garbageCleared++;
            }
        });
        [
            ...lines
        ].reverse().forEach((line)=>{
            this.state.splice(line, 1);
            this.state.push(new Array(this.width).fill(null));
        });
        return {
            lines: lines.length,
            garbageCleared
        };
    }
    clearBombs(placedBlocks) {
        let lowestY = placedBlocks.reduce((acc, [_, y])=>Math.min(acc, y), this.fullHeight);
        if (lowestY === 0) return {
            lines: 0,
            garbageCleared: 0
        };
        const lowestBlocks = placedBlocks.filter(([_, y])=>y === lowestY);
        const bombColumns = lowestBlocks.filter(([x, y])=>this.state[y - 1][x]?.mino === Mino.BOMB).map(([x, _])=>x);
        if (bombColumns.length === 0) return {
            lines: 0,
            garbageCleared: 0
        };
        const lines = [];
        while(lowestY > 0 && bombColumns.some((col)=>this.state[lowestY - 1][col]?.mino === Mino.BOMB)){
            lines.push(--lowestY);
        }
        if (lines.length === 0) return {
            lines: 0,
            garbageCleared: 0
        };
        lines.forEach((line)=>{
            this.state.splice(line, 1);
            this.state.push(new Array(this.width).fill(null));
        });
        return {
            lines: lines.length,
            garbageCleared: lines.length
        };
    }
    clearBombsAndLines(placedBlocks) {
        const bombs = this.clearBombs(placedBlocks);
        const lines = this.clearLines();
        return {
            lines: lines.lines + bombs.lines,
            garbageCleared: bombs.garbageCleared + lines.garbageCleared
        };
    }
    get perfectClear() {
        return this.state.every((row)=>row.every((block)=>block === null));
    }
    insertGarbage({ amount, size, column, bombs, isBeginning, isEnd }) {
        this.state.splice(0, 0, ...Array.from({
            length: amount
        }, (_, y)=>Array.from({
                length: this.width
            }, (_, x)=>x >= column && x < column + size ? bombs ? {
                    mino: Mino.BOMB,
                    connection: 0
                } : null : {
                    mino: Mino.GARBAGE,
                    connection: (()=>{
                        let connection = 0;
                        if (isEnd && y === 0) connection |= 0b0010;
                        if (isBeginning && y === amount - 1) connection |= 0b1000;
                        if (x === 0) connection |= 0b0001;
                        if (x === this.width - 1) connection |= 0b0100;
                        if (x === column - 1) connection |= 0b0100;
                        if (x === column + size) connection |= 0b0001;
                        return connection;
                    })()
                })));
        this.state.splice(this.fullHeight - amount - 1, amount);
    }
}
export * from "./connected.mjs";

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