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60 lines
2.3 KiB
60 lines
2.3 KiB
3 weeks ago
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import { createMembershipSet, membershipAdd } from '../../../mx/tools/MembershipSet';
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import type { BattleSession } from 'db://assets/mx/module/battle';
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import type { Player } from '../../game/Player';
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import {
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entityHasActivePositiveBuff,
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forEachGridIndexForEntity,
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} from '../combat/TowerPositiveBuffState';
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import type { MapManager } from '../map/legacy/MapManager';
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import type { TextGrid } from './TextGrid';
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/** 地图字块正面 buff 特效（怪_攻击buff）：按实体同步到全部占格 */
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export class CocosTowerPositiveBuffPresenter {
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private _activeGridIndices = createMembershipSet<number>();
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/** 复用 MembershipSet，sync 末尾与 _activeGridIndices 交换，避免每帧分配 */
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private _nextActiveScratch = createMembershipSet<number>();
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sync(
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session: BattleSession,
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map: MapManager,
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player: Player | null,
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mapGrids: ReadonlyMap<number, TextGrid>,
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): void {
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const nextActive = this._nextActiveScratch;
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nextActive.clear();
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if (player) {
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for (const entityId of player.deployedUnits) {
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if (!entityHasActivePositiveBuff(session, entityId)) continue;
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forEachGridIndexForEntity(entityId, session, map, player, (gridIndex) => {
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membershipAdd(nextActive, gridIndex);
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});
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}
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}
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// 按当前 mapGrids 清扫：拆组合后字块可能换格复用，旧 gridIndex 清不到节点上的特效
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for (const [gridIndex, grid] of mapGrids) {
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if (!nextActive.has(gridIndex)) {
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grid?.clearPositiveBuffFx?.();
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}
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}
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for (const gridIndex of nextActive.keys()) {
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mapGrids.get(gridIndex)?.showPositiveBuffFx?.();
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}
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this._nextActiveScratch = this._activeGridIndices;
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this._activeGridIndices = nextActive;
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}
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clearAll(mapGrids: ReadonlyMap<number, TextGrid>): void {
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for (const gridIndex of this._activeGridIndices.keys()) {
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mapGrids.get(gridIndex)?.clearPositiveBuffFx?.();
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}
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this._activeGridIndices.clear();
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}
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unbind(mapGrids?: ReadonlyMap<number, TextGrid> | null): void {
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if (mapGrids) this.clearAll(mapGrids);
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this._activeGridIndices.clear();
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this._nextActiveScratch.clear();
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}
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}
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