647 lines
21 KiB
Markdown
647 lines
21 KiB
Markdown
# 梗中作乐 V1.0 - 源代码文档（第 11 部分）
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软件名称：梗中作乐
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版本号：V1.0
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---
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## 第 11 部分：PK 详情与圆角渲染
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本部分包含 PK 单场详情页与 UI 圆角遮罩、圆角材质工具。
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### 11.1 PK 详情页 (assets/prefabs/PagePKDetail.ts)
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```typescript
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import { _decorator, assetManager, Button, ImageAsset, instantiate, Label, Node, ScrollView, Sprite, SpriteFrame, Texture2D, UITransform } from 'cc';
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import { BaseView } from 'db://assets/scripts/core/BaseView';
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import { ViewManager } from 'db://assets/scripts/core/ViewManager';
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import { CreatedShareItem, ShareDetailData, ShareParticipantRankSummary } from 'db://assets/scripts/types/ApiTypes';
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import { ShareManager } from 'db://assets/scripts/utils/ShareManager';
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import { ToastManager } from 'db://assets/scripts/utils/ToastManager';
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const { ccclass, property } = _decorator;
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interface PagePKDetailParams {
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share?: CreatedShareItem | null;
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shareCode?: string | null;
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detail?: ShareDetailData | null;
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}
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@ccclass('PagePKDetail')
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export class PagePKDetail extends BaseView {
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private static readonly RANK_ITEM_TOP_PADDING = 16;
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private static readonly RANK_ITEM_BOTTOM_PADDING = 16;
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private static readonly RANK_ITEM_SPACING = 16;
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@property({ type: Label, tooltip: '参与人数文案，例如：66 人参与' })
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participateLabel: Label | null = null;
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private _backButton: Node | null = null;
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private _titleLabel: Label | null = null;
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private _championPanel: Node | null = null;
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private _rankListContent: Node | null = null;
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private _rankListItemTemplate: Node | null = null;
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private _rankItemNodes: Node[] = [];
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private _renderVersion: number = 0;
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onViewLoad(): void {
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this._resolveNodes();
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this._bindEvents();
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this._hideRankItemTemplate();
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}
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onViewShow(): void {
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this._resolveNodes();
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void this._loadAndRenderDetail();
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}
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onViewHide(): void {
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this._renderVersion++;
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}
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onViewDestroy(): void {
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this._unbindEvents();
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this._clearRankItems();
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}
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private _resolveNodes(): void {
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if (!this._backButton || !this._backButton.isValid) {
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this._backButton = this.node.getChildByName('ButtonBack');
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}
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this._titleLabel = this._titleLabel
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?? this.node.getChildByName('Title')?.getChildByName('Label')?.getComponent(Label)
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?? null;
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this.participateLabel = this.participateLabel ?? this._findLabelIn(this.node, 'ParticipateLabel');
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this._championPanel = this._championPanel ?? this.node.getChildByName('ChampionPanel');
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const rankList = this.node.getChildByName('RankList');
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const view = rankList?.getChildByName('view');
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this._rankListContent = this._rankListContent ?? view?.getChildByName('content') ?? null;
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this._rankListItemTemplate = this._rankListItemTemplate
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?? this._rankListContent?.getChildByName('RankListItem')
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?? null;
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if (!this._backButton) {
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console.warn('[PagePKDetail] 未找到 ButtonBack 节点');
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}
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if (!this._rankListContent) {
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console.warn('[PagePKDetail] 未找到 RankList/content 节点');
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}
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if (!this._rankListItemTemplate) {
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console.warn('[PagePKDetail] 未找到 RankListItem 模板节点');
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}
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if (!this.participateLabel) {
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console.warn('[PagePKDetail] 未找到 ParticipateLabel 节点');
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}
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}
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private _bindEvents(): void {
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if (this._backButton) {
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this._backButton.on(Button.EventType.CLICK, this._onBackClick, this);
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}
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}
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private _unbindEvents(): void {
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if (this._backButton?.isValid) {
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this._backButton.off(Button.EventType.CLICK, this._onBackClick, this);
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}
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}
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private _onBackClick(): void {
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ViewManager.instance.back();
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}
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private async _loadAndRenderDetail(): Promise<void> {
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const params = this.getParams() as PagePKDetailParams | null;
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const share = this._resolveShare(params);
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const passedDetail = params?.detail ?? null;
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const shareCode = passedDetail?.shareCode ?? params?.shareCode ?? share?.shareCode ?? null;
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const version = ++this._renderVersion;
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if (passedDetail) {
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this._renderShareDetail(passedDetail, version);
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return;
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}
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this._renderShareSummary(share, version);
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if (!shareCode) {
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ToastManager.instance.show('挑战数据异常，请稍后重试');
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return;
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}
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const detail = await ShareManager.instance.fetchShareDetail(shareCode);
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if (version !== this._renderVersion || !this.isShowing) {
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return;
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}
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if (!detail) {
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ToastManager.instance.show('获取挑战详情失败，请稍后重试');
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this._renderShareSummary(share, version);
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return;
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}
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this._renderShareDetail(detail, version);
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}
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private _resolveShare(params: PagePKDetailParams | null): CreatedShareItem | null {
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if (params?.share) {
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return params.share;
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}
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const shareCode = params?.shareCode ?? params?.detail?.shareCode;
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if (!shareCode) {
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return null;
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}
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return ShareManager.instance.createdShares.find((share) => share.shareCode === shareCode) ?? null;
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}
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private _renderShareSummary(share: CreatedShareItem | null, version: number): void {
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this._clearRankItems();
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this._setLabel(this._titleLabel, share?.title || '挑战详情');
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this._renderParticipateCount(share);
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this._renderChampion(share ? this._getFirstParticipant(share) : null, share, version);
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this._layoutRankContent(0);
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this._scrollRankListToTop();
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}
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private _renderShareDetail(detail: ShareDetailData, version: number): void {
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this._clearRankItems();
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const rankings = this._normalizeRankings(detail.rankings ?? []);
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const champion = rankings.find((participant) => participant.rank === 1) ?? rankings[0] ?? null;
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const restRankings = rankings.filter((participant) => participant !== champion);
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this._setLabel(this._titleLabel, detail.title || '挑战详情');
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this._renderParticipateCount(detail);
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this._renderChampion(champion, detail, version);
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this._renderRankList(restRankings, version);
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}
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private _renderParticipateCount(shareInfo: CreatedShareItem | ShareDetailData | null): void {
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const participantCount = Math.max(0, shareInfo?.participantCount ?? 0);
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this._setLabel(this.participateLabel, `${participantCount} 人参与`);
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}
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private _normalizeRankings(rankings: ShareParticipantRankSummary[]): ShareParticipantRankSummary[] {
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return rankings
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.map((participant, index) => ({
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...participant,
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rank: participant.rank ?? index + 1,
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}))
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.sort((a, b) => (a.rank ?? 0) - (b.rank ?? 0));
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}
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private _getFirstParticipant(share: CreatedShareItem): ShareParticipantRankSummary | null {
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return share.firstPlaceUser ?? share.topParticipant ?? share.firstParticipant ?? share.champion ?? null;
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}
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private _renderChampion(
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champion: ShareParticipantRankSummary | null,
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shareInfo: CreatedShareItem | ShareDetailData | null,
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version: number,
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): void {
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const panel = this._championPanel;
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if (!panel) {
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return;
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}
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this._setLabel(this._findLabelIn(panel, 'UserName'), this._getParticipantDisplayName(champion, '暂无参与'));
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this._setLabel(this._findLabelIn(panel, 'RightInfo'), this._formatCorrectText(champion, shareInfo));
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this._setLabel(this._findLabelIn(panel, 'UsedTime'), this._formatTimeText(champion, shareInfo));
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this._loadAvatar(champion?.avatarUrl ?? '', this._findAvatarSprite(panel), version);
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}
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private _renderRankList(participants: ShareParticipantRankSummary[], version: number): void {
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if (!this._rankListContent || !this._rankListItemTemplate) {
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return;
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}
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this._hideRankItemTemplate();
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this._layoutRankContent(participants.length);
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participants.forEach((participant, index) => {
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const item = instantiate(this._rankListItemTemplate!);
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item.name = `RankListItem_${index + 1}`;
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item.active = true;
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this._rankListContent!.addChild(item);
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this._rankItemNodes.push(item);
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this._positionRankItem(item, index);
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this._applyRankItem(item, participant, version);
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});
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this._scrollRankListToTop();
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}
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private _applyRankItem(item: Node, participant: ShareParticipantRankSummary, version: number): void {
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const rank = participant.rank ?? 0;
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const rank2Badge = this._findChild(item, 'rank2badge');
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const rank3Badge = this._findChild(item, 'rank3badge');
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const rankNumberNode = this._findChild(item, 'RankNumber');
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if (rank2Badge) {
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rank2Badge.active = rank === 2;
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}
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if (rank3Badge) {
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rank3Badge.active = rank === 3;
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}
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if (rankNumberNode) {
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rankNumberNode.active = rank !== 2 && rank !== 3;
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this._setLabel(rankNumberNode.getComponent(Label), rank > 0 ? `${rank}` : '-');
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}
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this._setLabel(this._findLabelIn(item, 'UserName'), this._getParticipantDisplayName(participant, '微信用户'));
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this._setLabel(this._findLabelIn(item, 'RightInfo'), this._formatCorrectText(participant, null));
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this._setLabel(this._findLabelIn(item, 'UsedTime'), this._formatTimeText(participant));
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this._loadAvatar(participant.avatarUrl ?? '', this._findAvatarSprite(item), version);
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}
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private _layoutRankContent(itemCount: number): void {
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if (!this._rankListContent || !this._rankListItemTemplate) {
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return;
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}
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const contentTransform = this._rankListContent.getComponent(UITransform);
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const viewTransform = this._rankListContent.parent?.getComponent(UITransform) ?? null;
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const itemTransform = this._rankListItemTemplate.getComponent(UITransform);
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if (!contentTransform || !viewTransform || !itemTransform) {
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return;
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}
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const contentHeight = Math.max(
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viewTransform.height,
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PagePKDetail.RANK_ITEM_TOP_PADDING
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+ PagePKDetail.RANK_ITEM_BOTTOM_PADDING
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+ itemCount * itemTransform.height
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+ Math.max(0, itemCount - 1) * PagePKDetail.RANK_ITEM_SPACING,
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);
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contentTransform.setContentSize(contentTransform.width, contentHeight);
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this._rankListContent.setPosition(
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this._rankListContent.position.x,
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viewTransform.height / 2,
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this._rankListContent.position.z,
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);
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}
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private _positionRankItem(item: Node, index: number): void {
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const itemTransform = item.getComponent(UITransform);
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if (!itemTransform) {
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return;
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}
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const y = -PagePKDetail.RANK_ITEM_TOP_PADDING
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- itemTransform.height / 2
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- index * (itemTransform.height + PagePKDetail.RANK_ITEM_SPACING);
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item.setPosition(0, y, item.position.z);
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}
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private _scrollRankListToTop(): void {
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this.node.getChildByName('RankList')?.getComponent(ScrollView)?.scrollToTop(0);
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}
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private _formatCorrectText(
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participant: ShareParticipantRankSummary | null,
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shareInfo: CreatedShareItem | ShareDetailData | null,
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): string {
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if (participant?.correctCount !== undefined && participant.correctCount !== null) {
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return `答对${participant.correctCount}道`;
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}
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if (shareInfo && (shareInfo.participantCount ?? 0) <= 0) {
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return '答对0道';
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}
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if (shareInfo) {
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return `共${shareInfo.participantCount ?? 0}人参与`;
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}
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return '暂无成绩';
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}
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private _formatTimeText(
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participant: ShareParticipantRankSummary | null,
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shareInfo: CreatedShareItem | ShareDetailData | null = null,
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): string {
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if (participant?.totalTimeSpent === undefined || participant.totalTimeSpent === null) {
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if (shareInfo && (shareInfo.participantCount ?? 0) <= 0) {
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return '用时0秒';
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}
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return '暂无用时';
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}
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const totalSeconds = Math.max(0, Math.round(participant.totalTimeSpent));
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const minutes = Math.floor(totalSeconds / 60);
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const seconds = totalSeconds % 60;
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return `用时${minutes}:${seconds.toString().padStart(2, '0')}`;
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}
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private _getParticipantName(participant: ShareParticipantRankSummary | null): string {
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return participant?.nickname || participant?.nickName || '';
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}
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private _getParticipantDisplayName(
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participant: ShareParticipantRankSummary | null,
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emptyParticipantFallback: string,
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): string {
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if (!participant) {
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return emptyParticipantFallback;
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}
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return this._getParticipantName(participant) || '微信用户';
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}
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private _loadAvatar(url: string, sprite: Sprite | null, version: number): void {
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if (!sprite) {
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return;
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}
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if (!url) {
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return;
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}
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assetManager.loadRemote<ImageAsset>(url, (err, imageAsset) => {
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if (err || !imageAsset || version !== this._renderVersion || !sprite.node.isValid) {
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if (err) {
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console.error('[PagePKDetail] 加载头像失败:', url, err);
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}
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return;
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}
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const texture = new Texture2D();
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texture.image = imageAsset;
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const spriteFrame = new SpriteFrame();
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spriteFrame.texture = texture;
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sprite.spriteFrame = spriteFrame;
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});
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}
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private _findAvatarSprite(root: Node): Sprite | null {
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const avatarNode = this._findChild(root, 'Avatar');
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return avatarNode?.getComponent(Sprite) ?? null;
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}
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private _clearRankItems(): void {
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for (const item of this._rankItemNodes) {
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if (item.isValid) {
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item.removeFromParent();
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item.destroy();
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}
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}
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this._rankItemNodes = [];
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this._hideRankItemTemplate();
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}
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private _hideRankItemTemplate(): void {
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if (this._rankListItemTemplate?.isValid) {
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this._rankListItemTemplate.active = false;
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}
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}
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private _setLabel(label: Label | null, text: string): void {
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if (label) {
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label.string = text;
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}
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}
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private _findLabelIn(root: Node, nodeName: string): Label | null {
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return this._findChild(root, nodeName)?.getComponent(Label) ?? null;
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}
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private _findChild(root: Node, nodeName: string): Node | null {
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if (root.name === nodeName) {
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return root;
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}
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for (const child of root.children) {
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const found = this._findChild(child, nodeName);
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if (found) {
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return found;
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}
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}
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return null;
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}
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}
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```
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### 11.2 圆角矩形遮罩 (assets/scripts/utils/RoundedRectMask.ts)
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```typescript
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import { _decorator, Component, UITransform, Graphics, Color, Mask } from 'cc';
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const { ccclass, property } = _decorator;
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/**
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* 圆角矩形遮罩组件
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* 使用 Graphics + Mask 绘制圆角矩形作为遮罩
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*
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* 使用方法：
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* 1. 将此组件添加到需要圆角的节点上
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* 2. 设置圆角半径
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* 3. 该节点及其子节点会被裁剪为圆角矩形
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*/
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@ccclass('RoundedRectMask')
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export class RoundedRectMask extends Component {
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@property({
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tooltip: '圆角半径（像素）'
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})
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radius: number = 20;
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private _graphics: Graphics | null = null;
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private _mask: Mask | null = null;
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private _uiTransform: UITransform | null = null;
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onLoad() {
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this._uiTransform = this.getComponent(UITransform);
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this.setupComponents();
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}
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/**
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* 设置组件
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*/
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private setupComponents() {
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// 获取或添加 Graphics 组件
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this._graphics = this.getComponent(Graphics);
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if (!this._graphics) {
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this._graphics = this.addComponent(Graphics);
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}
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// 获取或添加 Mask 组件
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this._mask = this.getComponent(Mask);
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if (!this._mask) {
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this._mask = this.addComponent(Mask);
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}
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// 设置 Mask 使用 Graphics 类型
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this._mask.type = Mask.Type.GRAPHICS_STENCIL;
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this.drawRoundedRect();
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}
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/**
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* 绘制圆角矩形
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*/
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private drawRoundedRect() {
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if (!this._graphics || !this._uiTransform) return;
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const width = this._uiTransform.width;
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const height = this._uiTransform.height;
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const r = Math.min(this.radius, Math.min(width, height) / 2);
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// 清除之前的绘制
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this._graphics.clear();
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// 设置填充颜色
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this._graphics.fillColor = new Color(255, 255, 255, 255);
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// 绘制圆角矩形路径
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const halfW = width / 2;
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const halfH = height / 2;
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// 使用 lineTo 和 arc 绘制圆角矩形
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// 从左下角开始，逆时针绘制
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this._graphics.moveTo(-halfW + r, -halfH);
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// 下边
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this._graphics.lineTo(halfW - r, -halfH);
|
||
|
||
// 右下角圆角 (90度弧，从 -90度 到 0度)
|
||
this._graphics.arc(halfW - r, -halfH + r, r, -Math.PI / 2, 0, false);
|
||
|
||
// 右边
|
||
this._graphics.lineTo(halfW, halfH - r);
|
||
|
||
// 右上角圆角 (90度弧，从 0度 到 90度)
|
||
this._graphics.arc(halfW - r, halfH - r, r, 0, Math.PI / 2, false);
|
||
|
||
// 上边
|
||
this._graphics.lineTo(-halfW + r, halfH);
|
||
|
||
// 左上角圆角 (90度弧，从 90度 到 180度)
|
||
this._graphics.arc(-halfW + r, halfH - r, r, Math.PI / 2, Math.PI, false);
|
||
|
||
// 左边
|
||
this._graphics.lineTo(-halfW, -halfH + r);
|
||
|
||
// 左下角圆角 (90度弧，从 180度 到 270度)
|
||
this._graphics.arc(-halfW + r, -halfH + r, r, Math.PI, Math.PI * 1.5, false);
|
||
|
||
// 填充
|
||
this._graphics.fill();
|
||
}
|
||
|
||
/**
|
||
* 设置圆角半径
|
||
*/
|
||
setRadius(radius: number) {
|
||
this.radius = radius;
|
||
this.drawRoundedRect();
|
||
}
|
||
}
|
||
```
|
||
|
||
### 11.3 圆角材质工具 (assets/scripts/utils/roundedMaterial.utils.ts)
|
||
|
||
```typescript
|
||
import { EffectAsset, Material, Sprite, Vec4 } from 'cc';
|
||
|
||
/**
|
||
* 圆角 Sprite 材质工具。
|
||
*
|
||
* 基于 rounded-sprite.effect 的 SDF alpha 裁剪实现，直接作用于 Sprite 的自定义材质。
|
||
* 每个 Sprite 都会获得独立 Material，避免 roundedParams / uvRect 互相覆盖。
|
||
*/
|
||
|
||
let cachedTemplate: Material | null = null;
|
||
let cachedEffectRef: EffectAsset | null = null;
|
||
|
||
const getOrCreateTemplate = (effectAsset: EffectAsset): Material => {
|
||
if (cachedTemplate && cachedEffectRef === effectAsset) {
|
||
return cachedTemplate;
|
||
}
|
||
|
||
const template = new Material();
|
||
template.initialize({
|
||
effectAsset,
|
||
defines: { USE_TEXTURE: true },
|
||
});
|
||
|
||
cachedTemplate = template;
|
||
cachedEffectRef = effectAsset;
|
||
|
||
return template;
|
||
};
|
||
|
||
const extractUvRect = (sprite: Sprite): Vec4 => {
|
||
const spriteFrame = sprite.spriteFrame;
|
||
if (!spriteFrame) {
|
||
return new Vec4(0, 0, 1, 1);
|
||
}
|
||
|
||
const uv = spriteFrame.uv;
|
||
if (!uv || uv.length < 8) {
|
||
return new Vec4(0, 0, 1, 1);
|
||
}
|
||
|
||
const u0 = uv[0];
|
||
const v0 = uv[1];
|
||
const u1 = uv[2];
|
||
const v1 = uv[3];
|
||
const u2 = uv[4];
|
||
const v2 = uv[5];
|
||
const u3 = uv[6];
|
||
const v3 = uv[7];
|
||
|
||
const minU = Math.min(u0, u1, u2, u3);
|
||
const maxU = Math.max(u0, u1, u2, u3);
|
||
const minV = Math.min(v0, v1, v2, v3);
|
||
const maxV = Math.max(v0, v1, v2, v3);
|
||
const rangeU = maxU - minU;
|
||
const rangeV = maxV - minV;
|
||
|
||
if (rangeU <= 0 || rangeV <= 0) {
|
||
return new Vec4(0, 0, 1, 1);
|
||
}
|
||
|
||
return new Vec4(minU, minV, rangeU, rangeV);
|
||
};
|
||
|
||
export const applyRoundedCorner = (
|
||
sprite: Sprite,
|
||
effectAsset: EffectAsset,
|
||
width: number,
|
||
height: number,
|
||
cornerRadius = 0.1,
|
||
grayscale = false,
|
||
): void => {
|
||
if (!sprite || !sprite.isValid) {
|
||
console.warn('[roundedMaterial] Invalid sprite, skipping');
|
||
return;
|
||
}
|
||
|
||
if (!effectAsset) {
|
||
console.warn('[roundedMaterial] EffectAsset is null, skipping');
|
||
return;
|
||
}
|
||
|
||
const template = getOrCreateTemplate(effectAsset);
|
||
const materialInstance = new Material();
|
||
const defines: Record<string, boolean> = { USE_TEXTURE: true };
|
||
if (grayscale) {
|
||
defines.IS_GRAY = true;
|
||
}
|
||
|
||
materialInstance.initialize({
|
||
effectAsset,
|
||
defines,
|
||
});
|
||
|
||
const params = new Vec4(cornerRadius, 0, width, height);
|
||
materialInstance.setProperty('roundedParams', params);
|
||
materialInstance.setProperty('uvRect', extractUvRect(sprite));
|
||
|
||
sprite.customMaterial = materialInstance;
|
||
};
|
||
```
|