119 lines
3.5 KiB
TypeScript
119 lines
3.5 KiB
TypeScript
import { _decorator, Component, instantiate, Node, Vec3 } from "cc";
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import { DialogManager } from "../../manager/DialogManager";
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import { DialogBubble } from "./DialogBubble";
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import { Dialog } from "../../data/DialogData";
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const { ccclass, property } = _decorator;
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const BUTTOM_Y = -955.571;
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@ccclass("ChatContentsLayout")
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export class ChatContentsLayout extends Component {
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manager: DialogManager = null;
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@property(DialogBubble)
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lBubble: DialogBubble = null;
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@property(DialogBubble)
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rBubble: DialogBubble = null;
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bubbles: DialogBubble[] = [];
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cachedBubbles: DialogBubble[] = [];
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protected start(): void {
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this.lBubble.node.active = false;
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this.rBubble.node.active = false;
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}
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protected onEnable(): void {
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if (!this.manager) this.manager = DialogManager.getInstance();
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this.manager.layoutout = this;
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}
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UpdateDialog(dialogs: Dialog[]) {
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// 隐藏当前使用的气泡并放入缓存
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for (let i = 0; i < this.bubbles.length; i++) {
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if (this.bubbles[i].node) {
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this.bubbles[i].node.active = false;
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this.cachedBubbles.push(this.bubbles[i]);
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}
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}
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this.bubbles = [];
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this.updateDialogLayout(dialogs);
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// 清理多余的缓存气泡，避免内存泄漏
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this.cleanupExcessCachedBubbles();
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}
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private updateDialogLayout(dialogs: Dialog[]) {
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let initPosY: number = BUTTOM_Y;
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let pendingUpdates = 0;
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const updateNextBubble = (index: number) => {
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if (index < 0) {
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return;
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}
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const dialog = dialogs[index];
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let newBubble: DialogBubble = null;
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// 尝试从缓存中获取合适的气泡
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const isPlayerBubble = dialog.isPlayer;
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for (let j = 0; j < this.cachedBubbles.length; j++) {
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const cached = this.cachedBubbles[j];
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if (cached && cached.node) {
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// 检查气泡类型是否匹配（通过位置判断左右气泡）
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const isRightBubble = cached.node.position.x > 0;
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if ((isPlayerBubble && isRightBubble) || (!isPlayerBubble && !isRightBubble)) {
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newBubble = cached;
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this.cachedBubbles.splice(j, 1);
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break;
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}
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}
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}
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// 如果缓存中没有合适的气泡，创建新的
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if (!newBubble) {
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let newBubbleNode = isPlayerBubble
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? instantiate(this.rBubble.node)
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: instantiate(this.lBubble.node);
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newBubble = newBubbleNode.getComponent(DialogBubble);
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newBubbleNode.setParent(this.node);
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}
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newBubble.node.active = true;
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let pos = newBubble.node.position;
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newBubble.node.position = new Vec3(pos.x, initPosY, pos.z);
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pendingUpdates++;
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newBubble.updateBubbleContent(dialog.content, (actualHeight: number) => {
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initPosY += actualHeight + 20;
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pendingUpdates--;
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// 当当前气泡更新完成后，处理下一个
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if (pendingUpdates === 0) {
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updateNextBubble(index - 1);
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}
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});
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this.bubbles.push(newBubble);
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};
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// 从最后一个对话开始处理（倒序）
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updateNextBubble(dialogs.length - 1);
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}
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private cleanupExcessCachedBubbles() {
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const maxCachedBubbles = 20; // 最大缓存数量
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if (this.cachedBubbles.length > maxCachedBubbles) {
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const excessCount = this.cachedBubbles.length - maxCachedBubbles;
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for (let i = 0; i < excessCount; i++) {
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const bubble = this.cachedBubbles.shift();
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if (bubble && bubble.node) {
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bubble.node.destroy();
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}
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}
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}
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}
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}
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