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43 lines
1.1 KiB
43 lines
1.1 KiB
import type { BagSlotRecord } from '../types/MergeTypes';
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/** 背包棋盘（纯数据，默认 5 槽） */
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export class BagBoard {
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readonly slotCount: number;
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private _slots: (BagSlotRecord | null)[];
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constructor(slotCount = 5) {
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this.slotCount = slotCount;
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this._slots = new Array(slotCount).fill(null);
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}
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get slots(): readonly (BagSlotRecord | null)[] {
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return this._slots;
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}
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getSlot(index: number): BagSlotRecord | null {
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return this._slots[index] ?? null;
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}
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isEmpty(index: number): boolean {
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return this._slots[index] == null;
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}
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findEmptySlot(): number {
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return this._slots.findIndex((s) => s == null);
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}
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setSlot(index: number, record: BagSlotRecord | null): void {
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if (index < 0 || index >= this.slotCount) return;
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this._slots[index] = record;
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}
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clearSlot(index: number): void {
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this.setSlot(index, null);
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}
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fillSlots(records: BagSlotRecord[]): void {
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for (let i = 0; i < this.slotCount; i++) {
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this._slots[i] = records[i] ?? null;
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}
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}
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}
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