fix: 火山表情修复

Assets/Scripts/FrameAnimation/Runtime/FrameAnimationPlaybackSession.cs

@@ -88,12 +88,14 @@ namespace AibisDream.FrameAnimation
         private double frameElapsedSeconds;
         private bool hasStarted;
         private bool hasCompleted;
+        private bool hasCompletedFirstTerminalLoopCycle;
 
         public string PlayableId => plan.PlayableId;
         public string CurrentClipId => CurrentStep?.Clip != null ? CurrentStep.Clip.Id : string.Empty;
         public string CurrentNodeId => CurrentStep?.NodeId ?? string.Empty;
         public int CurrentFrameIndex => hasStarted && !hasCompleted ? frameIndex : -1;
         public FrameClip CurrentClip => CurrentStep?.Clip;
+        internal bool HasCompletedFirstTerminalLoopCycle => hasCompletedFirstTerminalLoopCycle;
         internal FrameAnimationPlaybackSnapshot Snapshot =>
             new FrameAnimationPlaybackSnapshot(
                 hasStarted,
@@ -129,6 +131,7 @@ namespace AibisDream.FrameAnimation
         {
             hasStarted = true;
             hasCompleted = false;
+            hasCompletedFirstTerminalLoopCycle = false;
             stepIndex = 0;
             frameIndex = 0;
             frameElapsedSeconds = 0d;
@@ -186,6 +189,7 @@ namespace AibisDream.FrameAnimation
                     var cycleRealDuration = GetClipDurationSeconds(step.Clip) / effectiveSpeed;
                     if (cycleRealDuration > Epsilon && remainingRealSeconds >= cycleRealDuration)
                     {
+                        hasCompletedFirstTerminalLoopCycle = true;
                         remainingRealSeconds %= cycleRealDuration;
                         if (remainingRealSeconds <= Epsilon)
                         {
@@ -247,6 +251,7 @@ namespace AibisDream.FrameAnimation
 
             if (step.TerminalEndBehavior == FrameClipEndBehavior.Loop)
             {
+                hasCompletedFirstTerminalLoopCycle = true;
                 frameIndex = 0;
                 ApplyCurrentFrame(applySprite);
                 return FrameAnimationSessionEvaluation.Running;