140 lines
4.1 KiB
Dart
140 lines
4.1 KiB
Dart
import 'dart:collection';
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import 'package:flutter/cupertino.dart';
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import 'package:yumi/ui_kit/widgets/room/anim/l_gift_animal_view.dart';
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class GiftAnimationManager extends ChangeNotifier {
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static const int _maxPendingAnimations = 24;
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Queue<LGiftModel> pendingAnimationsQueue = Queue<LGiftModel>();
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List<LGiftScrollingScreenAnimsBean> animationControllerList = [];
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//每个控件正在播放的动画
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Map<int, LGiftModel?> giftMap = {0: null, 1: null, 2: null, 3: null};
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bool get _controllersReady =>
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animationControllerList.length >= giftMap.length;
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void enqueueGiftAnimation(LGiftModel giftModel) {
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if (_mergeIntoActiveAnimation(giftModel)) {
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return;
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}
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if (_mergeIntoPendingAnimation(giftModel)) {
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return;
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}
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_trimPendingAnimations();
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pendingAnimationsQueue.add(giftModel);
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proceedToNextAnimation();
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}
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void _trimPendingAnimations() {
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while (pendingAnimationsQueue.length >= _maxPendingAnimations) {
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pendingAnimationsQueue.removeFirst();
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}
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}
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bool _mergeIntoActiveAnimation(LGiftModel incoming) {
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for (final entry in giftMap.entries) {
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final current = entry.value;
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if (current == null || current.labelId != incoming.labelId) {
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continue;
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}
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_mergeGiftModel(target: current, incoming: incoming);
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notifyListeners();
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if (animationControllerList.length > entry.key) {
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animationControllerList[entry.key].controller.forward(from: 0.45);
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}
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return true;
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}
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return false;
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}
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bool _mergeIntoPendingAnimation(LGiftModel incoming) {
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for (final pending in pendingAnimationsQueue) {
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if (pending.labelId != incoming.labelId) {
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continue;
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}
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_mergeGiftModel(target: pending, incoming: incoming);
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return true;
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}
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return false;
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}
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void _mergeGiftModel({
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required LGiftModel target,
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required LGiftModel incoming,
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}) {
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target.giftCount = (target.giftCount) + (incoming.giftCount);
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if (target.sendUserName.isEmpty) {
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target.sendUserName = incoming.sendUserName;
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}
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if (target.sendToUserName.isEmpty) {
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target.sendToUserName = incoming.sendToUserName;
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}
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if (target.sendUserPic.isEmpty) {
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target.sendUserPic = incoming.sendUserPic;
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}
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if (target.giftPic.isEmpty) {
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target.giftPic = incoming.giftPic;
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}
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if (target.giftName.isEmpty) {
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target.giftName = incoming.giftName;
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}
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if (incoming.rewardAmountText.isNotEmpty) {
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target.rewardAmountText = incoming.rewardAmountText;
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}
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target.showLuckyRewardFrame =
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target.showLuckyRewardFrame || incoming.showLuckyRewardFrame;
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}
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///开始播放
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proceedToNextAnimation() {
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if (pendingAnimationsQueue.isEmpty || !_controllersReady) {
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return;
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}
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var playGift = pendingAnimationsQueue.first;
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for (var key in giftMap.keys) {
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var value = giftMap[key];
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if (value == null) {
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giftMap[key] = playGift;
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pendingAnimationsQueue.removeFirst();
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notifyListeners();
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animationControllerList[key].controller.forward(from: 0);
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break;
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} else {
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if (value.labelId == playGift.labelId) {
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_mergeGiftModel(target: value, incoming: playGift);
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pendingAnimationsQueue.removeFirst();
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notifyListeners();
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animationControllerList[key].controller.forward(from: 0.45);
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break;
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}
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}
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}
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}
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void attachAnimationControllers(List<LGiftScrollingScreenAnimsBean> anins) {
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animationControllerList = anins;
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proceedToNextAnimation();
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}
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void cleanupAnimationResources() {
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pendingAnimationsQueue.clear();
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giftMap[0] = null;
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giftMap[1] = null;
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giftMap[2] = null;
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giftMap[3] = null;
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for (var element in animationControllerList) {
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element.controller.dispose();
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}
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animationControllerList.clear();
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}
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void markAnimationAsFinished(int index) {
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giftMap[index] = null;
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notifyListeners();
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proceedToNextAnimation();
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}
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}
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