371 lines
15 KiB
C#
371 lines
15 KiB
C#
// MapView.axaml.cs
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using Avalonia;
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using Avalonia.Controls;
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using Avalonia.Controls.Shapes;
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using Avalonia.Media;
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using Avalonia.Threading;
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using debug_interface.Controls; // MapHelper
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using debug_interface.Models;
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using debug_interface.ViewModels;
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using System;
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using System.Collections.Generic;
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using System.Collections.Specialized;
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using System.Linq; // For Linq
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using System.Reactive.Linq;
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using System.Reactive.Subjects;
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namespace debug_interface.Views
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{
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public partial class MapView : UserControl
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{
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private Canvas? characterCanvas;
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private Grid? mapGrid;
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private Dictionary<long, Control> characterElements = new Dictionary<long, Control>();
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private MainWindowViewModel? viewModel;
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private bool isMapInitialized = false; // 添加一个标志位
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//public MapView()
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//{
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// InitializeComponent();
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// this.AttachedToVisualTree += MapView_AttachedToVisualTree;
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// this.DataContextChanged += MapView_DataContextChanged;
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// // 监听 Canvas 尺寸变化以更新缩放因子
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// // Use a lambda expression here:
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// this.GetObservable(BoundsProperty).Subscribe(bounds => UpdateCharacterScaling((Rect)bounds)); // Pass bounds explicitly
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//}
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public MapView()
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{
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InitializeComponent();
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this.AttachedToVisualTree += MapView_AttachedToVisualTree;
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this.DataContextChanged += MapView_DataContextChanged;
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BoundsProperty.Changed
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.Where(args => args.Sender == this)
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.Select(args => args.NewValue.GetValueOrDefault()) // 返回 Rect
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.Subscribe(newBounds => // newBounds 是 Rect 类型
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{
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// 直接使用 newBounds，不再需要检查 HasValue 或访问 Value
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// Rect currentBounds = newBounds; // 这行是多余的
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// 使用之前的 IsEmpty 替代方案
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bool isEffectivelyEmpty = newBounds.Width <= 0 || newBounds.Height <= 0;
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if (isEffectivelyEmpty)
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{
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// Console.WriteLine("Bounds are effectively empty, skipping scaling.");
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}
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else
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{
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// 直接传递 newBounds
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Dispatcher.UIThread.InvokeAsync(() => UpdateCharacterScaling(newBounds));
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}
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});
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}
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// 当 Canvas 尺寸变化时，重新计算所有角色的位置
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private void UpdateCharacterScaling(Rect bounds)
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{
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// if (viewModel == null || characterCanvas == null || bounds.IsEmpty == true) return; // 暂时移除检查
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if (viewModel == null || characterCanvas == null) return; // 保留这两个检查
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// 这里的代码现在保证在 UI 线程执行
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foreach (var character in viewModel.BuddhistsTeamCharacters.Concat(viewModel.MonstersTeamCharacters))
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{
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UpdateCharacterVisual(character); // 重用更新逻辑来重新定位
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}
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}
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private void MapView_DataContextChanged(object? sender, EventArgs e)
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{
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// 当 DataContext 变化时，尝试设置 ViewModel 并初始化地图
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if (this.DataContext is MainWindowViewModel vm)
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{
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viewModel = vm; // 获取 ViewModel
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TryInitializeMap(); // 尝试初始化
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}
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else
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{
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// DataContext 被清空，清理资源
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CleanupViewModel();
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viewModel = null;
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isMapInitialized = false; // 重置标志位
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mapGrid?.Children.Clear(); // 清空地图Grid内容
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characterCanvas?.Children.Clear(); // 清空角色Canvas内容
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}
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}
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private void MapView_AttachedToVisualTree(object? sender, VisualTreeAttachmentEventArgs e)
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{
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// 当附加到可视化树时，查找控件并尝试初始化地图
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characterCanvas = this.FindControl<Canvas>("CharacterCanvas");
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mapGrid = this.FindControl<Grid>("MapGrid");
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TryInitializeMap(); // 尝试初始化
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}
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// 尝试初始化地图和角色（核心逻辑）
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private void TryInitializeMap()
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{
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// 只有当 ViewModel 和 MapGrid 都准备好，并且地图尚未初始化时才执行
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if (viewModel != null && mapGrid != null && !isMapInitialized)
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{
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// 检查 MapVM 是否也准备好了
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if (viewModel.MapVM != null)
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{
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Console.WriteLine("MapView: Initializing Map Grid and Characters..."); // 添加日志
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CleanupViewModel(); // 清理旧的订阅（如果之前有的话）
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// 设置 ViewModel 的事件监听等
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SetupViewModelSubscriptions();
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// 初始化地图 Grid
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MapHelper.InitializeMapGrid(mapGrid, viewModel.MapVM);
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// 初始化角色 Canvas
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RefreshCharacters();
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isMapInitialized = true; // 标记地图已初始化
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}
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else
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{
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Console.WriteLine("MapView: ViewModel is ready, but MapVM is null."); // 日志
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}
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}
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// else
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// {
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// 可以加日志说明为什么没初始化
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// Console.WriteLine($"MapView: Initialize skipped. ViewModel: {viewModel != null}, MapGrid: {mapGrid != null}, Initialized: {isMapInitialized}");
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// }
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}
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private void CleanupViewModel()
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{
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if (viewModel != null)
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{
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// 取消之前的集合和属性变更订阅
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viewModel.BuddhistsTeamCharacters.CollectionChanged -= TeamCharacters_CollectionChanged;
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viewModel.MonstersTeamCharacters.CollectionChanged -= TeamCharacters_CollectionChanged;
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foreach (var character in viewModel.BuddhistsTeamCharacters.Concat(viewModel.MonstersTeamCharacters))
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{
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character.PropertyChanged -= Character_PropertyChanged;
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}
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// 注意：这里不清空 viewModel 变量，DataContextChanged 会处理
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}
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// characterElements 和 characterCanvas 的清理移到 RefreshCharacters 或 DataContext 被清空时
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// characterElements.Clear();
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// characterCanvas?.Children.Clear();
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}
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private void SetupViewModel(MainWindowViewModel vm)
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{
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// 防止重复设置或处理旧 ViewModel
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if (vm == viewModel) return;
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CleanupViewModel(); // 清理旧的 ViewModel 订阅
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viewModel = vm;
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// 初始化地图网格 (如果尚未初始化或 ViewModel 改变)
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if (viewModel.MapVM != null)
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{
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if (mapGrid != null) MapHelper.InitializeMapGrid(mapGrid, viewModel.MapVM);
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}
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// 监听角色集合变化 (添加/删除 - 虽然我们预实例化了，但以防万一)
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viewModel.BuddhistsTeamCharacters.CollectionChanged += TeamCharacters_CollectionChanged;
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viewModel.MonstersTeamCharacters.CollectionChanged += TeamCharacters_CollectionChanged;
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// 初始化角色 UI 元素并监听属性变化
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RefreshCharacters();
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// InitializeRandomPositions(); // 不再需要随机位置，依赖 ViewModel 的 PosX/PosY
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// 地图单元格的 PropertyChanged 已在 MapHelper 中处理
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}
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// 设置与 ViewModel 相关的订阅
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private void SetupViewModelSubscriptions()
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{
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if (viewModel == null) return;
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// 监听角色集合变化
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viewModel.BuddhistsTeamCharacters.CollectionChanged += TeamCharacters_CollectionChanged;
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viewModel.MonstersTeamCharacters.CollectionChanged += TeamCharacters_CollectionChanged;
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// 监听所有现有角色的属性变化
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foreach (var character in viewModel.BuddhistsTeamCharacters.Concat(viewModel.MonstersTeamCharacters))
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{
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// 确保只添加一次监听器
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character.PropertyChanged -= Character_PropertyChanged; // 先移除，防止重复添加
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character.PropertyChanged += Character_PropertyChanged;
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}
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}
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private void TeamCharacters_CollectionChanged(object? sender, NotifyCollectionChangedEventArgs e)
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{
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// 集合发生变化时（理论上不应频繁发生，因为是占位符），刷新整个角色UI
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Avalonia.Threading.Dispatcher.UIThread.InvokeAsync(RefreshCharacters);
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}
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private void RefreshCharacters()
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{
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if (characterCanvas == null || viewModel == null) return;
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// 清理旧的 UI 元素和事件监听器
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foreach (var kvp in characterElements)
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{
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characterCanvas.Children.Remove(kvp.Value);
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// 理论上应该在 CleanupViewModel 中统一处理旧 ViewModel 的事件注销
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}
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characterElements.Clear();
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// 为 ViewModel 中的所有角色（包括占位符）创建或更新 UI 元素
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InitializeTeamCharacters(viewModel.BuddhistsTeamCharacters, Colors.Red);
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InitializeTeamCharacters(viewModel.MonstersTeamCharacters, Colors.Blue);
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// 更新缩放以确保初始位置正确
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UpdateCharacterScaling(this.Bounds);
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}
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// 重命名方法以反映其处理单个队伍
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private void InitializeTeamCharacters(System.Collections.ObjectModel.ObservableCollection<CharacterViewModel> characters, Color teamColor)
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{
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if (characterCanvas == null || viewModel == null) return;
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foreach (var character in characters)
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{
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// 如果该角色的 UI 元素已存在，跳过创建，只需确保事件监听器已附加
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if (characterElements.ContainsKey(character.CharacterId)) continue;
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// 创建角色视觉元素 (例如一个 Grid 包含 Ellipse 和 TextBlock)
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var characterVisual = CreateCharacterVisual(character, teamColor);
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// 添加到 Canvas
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characterCanvas.Children.Add(characterVisual);
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characterElements[character.CharacterId] = characterVisual; // 存入字典
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// 监听角色属性变化
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character.PropertyChanged += Character_PropertyChanged;
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// 设置初始位置和可见性
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UpdateCharacterVisual(character);
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}
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}
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// 创建单个角色的视觉元素
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private Control CreateCharacterVisual(CharacterViewModel character, Color teamColor)
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{
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var grid = new Grid
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{
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Width = 12, // 调整大小
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Height = 12,
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Tag = character.CharacterId // 存储 ID 以便查找
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};
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var ellipse = new Ellipse
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{
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Width = 12,
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Height = 12,
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Fill = new SolidColorBrush(Colors.White),
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Stroke = new SolidColorBrush(teamColor),
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StrokeThickness = 2,
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};
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grid.Children.Add(ellipse);
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// 可以添加一个小的 TextBlock 显示编号或类型首字母
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var textBlock = new TextBlock
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{
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//Text = character.CharacterId.ToString(), // 或者用名字首字母
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Text = GetCharacterInitial(character.Name),
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FontSize = 7,
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Foreground = new SolidColorBrush(teamColor),
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FontWeight = FontWeight.Bold,
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HorizontalAlignment = Avalonia.Layout.HorizontalAlignment.Center,
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VerticalAlignment = Avalonia.Layout.VerticalAlignment.Center,
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IsHitTestVisible = false
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};
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grid.Children.Add(textBlock);
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ToolTip.SetTip(grid, $"{character.Name} (ID: {character.CharacterId})\nHP: {character.Hp}\n状态: {character.ActiveState}"); // 初始 Tooltip
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return grid;
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}
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// 获取角色名称首字母或标识符
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private string GetCharacterInitial(string name)
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{
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if (string.IsNullOrEmpty(name) || name.EndsWith("?")) return "?";
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if (name == "唐僧") return "T";
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if (name == "孙悟空") return "S";
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if (name == "猪八戒") return "Z";
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if (name == "沙悟净") return "W";
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if (name == "白龙马") return "B";
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if (name == "猴子猴孙") return "h";
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if (name == "九头元圣") return "J";
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if (name == "红孩儿") return "H";
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if (name == "牛魔王") return "N";
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if (name == "铁扇公主") return "F";
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if (name == "蜘蛛精") return "P";
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if (name == "无名小妖") return "y";
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return name.Length > 0 ? name.Substring(0, 1) : "?";
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}
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// 角色属性变化时的处理
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private void Character_PropertyChanged(object? sender, System.ComponentModel.PropertyChangedEventArgs e)
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{
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if (sender is CharacterViewModel character)
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{
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// 在 UI 线程上更新视觉元素
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Avalonia.Threading.Dispatcher.UIThread.InvokeAsync(() => UpdateCharacterVisual(character));
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}
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}
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// 更新单个角色的视觉状态（位置、可见性、Tooltip）
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private void UpdateCharacterVisual(CharacterViewModel character)
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{
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if (characterElements.TryGetValue(character.CharacterId, out var element))
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{
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// 更新 Tooltip
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ToolTip.SetTip(element, $"{character.Name} (ID: {character.CharacterId})\nHP: {character.Hp}\n状态: {character.ActiveState}\n位置: ({character.PosX},{character.PosY})");
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// 检查角色是否有效且应显示在地图上
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bool shouldBeVisible = character.Hp > 0 && // 活着
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!character.Name.EndsWith("?") && // 不是纯占位符
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!character.PassiveStates.Contains("已死亡") && // 没有死亡状态
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character.PosX >= 0 && character.PosX < 50 && // 在地图网格内
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character.PosY >= 0 && character.PosY < 50;
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element.IsVisible = shouldBeVisible;
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if (shouldBeVisible)
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{
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// 计算缩放后的像素位置
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double cellWidth = characterCanvas?.Bounds.Width / 50.0 ?? 0;
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double cellHeight = characterCanvas?.Bounds.Height / 50.0 ?? 0;
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double left = character.PosY * cellWidth + (cellWidth / 2.0) - (element.Bounds.Width / 2.0);
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double top = character.PosX * cellHeight + (cellHeight / 2.0) - (element.Bounds.Height / 2.0);
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Canvas.SetLeft(element, left);
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Canvas.SetTop(element, top);
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}
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}
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}
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// --- 旧的或不再需要的方法 ---
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// private void InitializeRandomPositions() { ... } // 不需要了
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// private void InitializeCharacters<T>(...) { ... } // 已被 InitializeTeamCharacters 替代
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// private void UpdateCharacterPosition(Control element, int x, int y) { ... } // 已合并到 UpdateCharacterVisual
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// public void UpdateCharacterPosition(long characterId, int x, int y, bool isRedTeam, string name) { ... } // 不再需要，由 ViewModel 驱动
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// private Ellipse FindCharacterMarker(long characterId) { ... } // 不再需要
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// private TextBlock FindCharacterLabel(long characterId) { ... } // 不再需要
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}
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} |