feat: 动画系统第五阶段（未验收）

2026-07-16 18:49:12 +08:00
parent 9b6d008263
commit 46602803dc
23 changed files with 2591 additions and 116 deletions
@@ -6,6 +6,70 @@ using UnityEngine;

 namespace AibisDream.FrameAnimation.Editor
 {
+    internal static class FrameAnimationFlowFocusPolicy
+    {
+        public static AnimationFlow FindFocusedFlow(FrameAnimationGraph graph, string focusedFlowId)
+        {
+            return graph?.Flows.FirstOrDefault(flow => flow != null && flow.Id == focusedFlowId);
+        }
+
+        public static bool Contains(
+            FrameAnimationGraph graph,
+            string focusedFlowId,
+            FrameAnimationEditorSelection selection)
+        {
+            var flow = FindFocusedFlow(graph, focusedFlowId);
+            if (flow == null)
+            {
+                return false;
+            }
+            var reachable = new FrameAnimationGraphTopology(graph).GetReachable(flow.EntryNodeId);
+            return selection.Value switch
+            {
+                AnimationNode node => reachable.Nodes.Contains(node),
+                AnimationEdge edge => reachable.Edges.Contains(edge),
+                AnimationFlow selectedFlow => selectedFlow == flow,
+                _ => false
+            };
+        }
+
+        public static bool ShouldExitForSelection(
+            FrameAnimationGraph graph,
+            string focusedFlowId,
+            FrameAnimationEditorSelection selection)
+        {
+            if (string.IsNullOrEmpty(focusedFlowId))
+            {
+                return false;
+            }
+            return selection.Kind switch
+            {
+                FrameAnimationEditorSelectionKind.None => false,
+                FrameAnimationEditorSelectionKind.Flow => false,
+                FrameAnimationEditorSelectionKind.Node => !Contains(graph, focusedFlowId, selection),
+                FrameAnimationEditorSelectionKind.Edge => !Contains(graph, focusedFlowId, selection),
+                _ => true
+            };
+        }
+
+        public static bool ShouldExitForSelectionSet(
+            FrameAnimationGraph graph,
+            string focusedFlowId,
+            IEnumerable<FrameAnimationEditorSelection> selections)
+        {
+            if (string.IsNullOrEmpty(focusedFlowId))
+            {
+                return false;
+            }
+            var items = (selections ?? Array.Empty<FrameAnimationEditorSelection>()).ToArray();
+            return items.Length > 0 && items.Any(item =>
+                (item.Kind == FrameAnimationEditorSelectionKind.Node ||
+                 item.Kind == FrameAnimationEditorSelectionKind.Edge)
+                    ? !Contains(graph, focusedFlowId, item)
+                    : ShouldExitForSelection(graph, focusedFlowId, item));
+        }
+    }
+
    internal sealed class FrameAnimationGraphImpact
    {
        public IReadOnlyList<AnimationFlow> Flows { get; }