增加实时帧率显示

SpineViewer/Resources/Strings/en.xaml

@@ -140,6 +140,9 @@
     <s:String x:Key="Str_ForwardFastTooltip">Forward 10 Frames</s:String>
     <s:String x:Key="Str_FullScreenTooltip">Window/Fullscreen; F11</s:String>
 
+    <!-- 日志框下方附加信息 -->
+    <s:String x:Key="Str_RealTimeFps">Real-time FPS: {0:F1}</s:String>
+
     <!-- 弹窗文本 -->
     <s:String x:Key="Str_OK">OK</s:String>
     <s:String x:Key="Str_Cancel">Cancel</s:String>

SpineViewer/Resources/Strings/ja.xaml

@@ -140,6 +140,9 @@
     <s:String x:Key="Str_ForwardFastTooltip">10フレーム進める</s:String>
     <s:String x:Key="Str_FullScreenTooltip">ウィンドウ/フルスクリーン; F11</s:String>
 
+    <!-- 日志框下方附加信息 -->
+    <s:String x:Key="Str_RealTimeFps">リアルタイムFPS：{0:F1}</s:String>
+
     <!-- 弹窗文本 -->
     <s:String x:Key="Str_OK">OK</s:String>
     <s:String x:Key="Str_Cancel">キャンセル</s:String>

SpineViewer/Resources/Strings/zh.xaml

@@ -140,6 +140,9 @@
     <s:String x:Key="Str_ForwardFastTooltip">快进 10 帧</s:String>
     <s:String x:Key="Str_FullScreenTooltip">窗口/全屏; F11</s:String>
 
+    <!-- 日志框下方附加信息 -->
+    <s:String x:Key="Str_RealTimeFps">实时帧率：{0:F1}</s:String>
+
     <!-- 弹窗文本 -->
     <s:String x:Key="Str_OK">确认</s:String>
     <s:String x:Key="Str_Cancel">取消</s:String>

SpineViewer/ViewModels/MainWindow/SFMLRendererViewModel.cs

@@ -156,6 +156,12 @@ namespace SpineViewer.ViewModels.MainWindow
             set => SetProperty(_renderer.MaxFps, value, v => _renderer.MaxFps = _wallpaperRenderer.MaxFps = value);
         }
 
+        public float RealTimeFps => _realTimeFps;
+        private float _realTimeFps;
+
+        private float _accumFpsTime;
+        private int _accumFpsCount;
+
         public float Speed
         {
             get => _speed;
@@ -469,19 +475,31 @@ namespace SpineViewer.ViewModels.MainWindow
                 _wallpaperRenderer.SetActive(true);
                 _renderer.SetActive(true);
 
-                float delta;
+                float frameDelta;
+                float updateDelta;
                 while (!_cancelToken?.IsCancellationRequested ?? false)
                 {
-                    delta = _clock.ElapsedTime.AsSeconds();
+                    updateDelta = frameDelta = _clock.ElapsedTime.AsSeconds();
                     _clock.Restart();
 
+                    // 计算实时帧率, 1 秒刷新一次
+                    _accumFpsCount++;
+                    _accumFpsTime += frameDelta;
+                    if (_accumFpsTime > 1f)
+                    {
+                        _realTimeFps = _accumFpsCount / _accumFpsTime;
+                        _accumFpsTime = 0f;
+                        _accumFpsCount = 0;
+                        OnPropertyChanged(nameof(RealTimeFps));
+                    }
+
                     // 停止更新的时候只是时间不前进, 但是坐标变换还是要更新, 否则无法移动对象
-                    if (!_isUpdating) delta = 0;
+                    if (!_isUpdating) updateDelta = 0;
 
                     // 加上要快进的量
                     lock (_forwardDeltaLock)
                     {
-                        delta += _forwardDelta;
+                        updateDelta += _forwardDelta;
                         _forwardDelta = 0;
                     }
 
@@ -543,7 +561,7 @@ namespace SpineViewer.ViewModels.MainWindow
                             if (_cancelToken?.IsCancellationRequested ?? true) break; // 提前中止
 
                             sp.Update(0); // 避免物理效果出现问题
-                            sp.Update(delta * _speed);
+                            sp.Update(updateDelta * _speed);
 
                             if (_vmMain.IsVisible)
                             {

SpineViewer/Views/MainWindow.xaml

@@ -912,6 +912,7 @@
                                         </Grid>
 
                                         <StatusBar DockPanel.Dock="Bottom">
+                                            <StatusBarItem>
                                                 <TextBlock Foreground="{DynamicResource PrimaryTextBrush}">
                                                     <TextBlock.Text>
                                                         <MultiBinding Converter="{StaticResource StrFmtCvter}" ConverterParameter="Str_ListViewStatusBar">
@@ -920,6 +921,7 @@
                                                         </MultiBinding>
                                                     </TextBlock.Text>
                                                 </TextBlock>
+                                            </StatusBarItem>
                                         </StatusBar>
 
                                         <ListBox x:Name="_spineFilesListBox"
@@ -1052,7 +1054,22 @@
 
                             <!-- 日志框容器 -->
                             <Border Grid.Row="2" Name="_loggerBoxContainer">
+                                <Border x:Name="_loggerBoxPanel" DataContext="{Binding SFMLRendererViewModel}">
+                                    <DockPanel>
+                                        <StatusBar DockPanel.Dock="Bottom">
+                                            <StatusBarItem>
+                                                <TextBlock Foreground="{DynamicResource PrimaryTextBrush}">
+                                                    <TextBlock.Text>
+                                                        <MultiBinding Converter="{StaticResource StrFmtCvter}" ConverterParameter="Str_RealTimeFps">
+                                                            <Binding Path="RealTimeFps"/>
+                                                        </MultiBinding>
+                                                    </TextBlock.Text>
+                                                </TextBlock>
+                                            </StatusBarItem>
+                                        </StatusBar>
                                         <RichTextBox x:Name="_loggerRichTextBox" Grid.Row="2" Style="{StaticResource MyLogRichTextBoxStyle}"/>
+                                    </DockPanel>
+                                </Border>
                             </Border>
                         </Grid>
                     </Border>

SpineViewer/Views/MainWindow.xaml.cs

@@ -695,7 +695,7 @@ public partial class MainWindow : Window
         _renderPanelButtonsPopupContainer.Child = _renderPanelButtonsPanel;
 
         _loggerBoxContainer.Child = null;
-        _loggerBoxPopupContainer.Child = _loggerRichTextBox;
+        _loggerBoxPopupContainer.Child = _loggerBoxPanel;
     }
 
     private void SwitchToNormalLayout()
@@ -705,7 +705,7 @@ public partial class MainWindow : Window
         HandyControl.Controls.IconElement.SetGeometry(_fullScreenButton, AppResource.Geo_ArrowsMaximize);
 
         _loggerBoxPopupContainer.Child = null;
-        _loggerBoxContainer.Child = _loggerRichTextBox;
+        _loggerBoxContainer.Child = _loggerBoxPanel;
 
         _renderPanelButtonsPopupContainer.Child = null;
         _renderPanelButtonsContainer.Child = _renderPanelButtonsPanel;