增加GetBounds获取最大包围盒方法

SpineViewer/Spine/Implementations/SpineObject/SpineObject21.cs

@@ -206,49 +206,53 @@ namespace SpineViewer.Spine.Implementations.SpineObject
 
         protected override RectangleF getCurrentBounds()
         {
-            float[] temp = new float[8];
+            skeleton.GetBounds(out var x, out var y, out var w, out var h);
-            var drawOrderItems = skeleton.DrawOrder;
+            return new RectangleF(x, y, w, h);
-            float minX = int.MaxValue, minY = int.MaxValue, maxX = int.MinValue, maxY = int.MinValue;
-            for (int i = 0, n = skeleton.DrawOrder.Count; i < n; i++)
-            {
-                Slot slot = drawOrderItems[i];
-                int verticesLength = 0;
-                float[] vertices = null;
-                Attachment attachment = slot.Attachment;
-                var regionAttachment = attachment as RegionAttachment;
-                if (regionAttachment != null)
-                {
-                    verticesLength = 8;
-                    vertices = temp;
-                    if (vertices.Length < 8) vertices = temp = new float[8];
-                    regionAttachment.ComputeWorldVertices(slot.Bone, temp);
-                }
-                else
-                {
-                    var meshAttachment = attachment as MeshAttachment;
-                    if (meshAttachment != null)
-                    {
-                        MeshAttachment mesh = meshAttachment;
-                        verticesLength = mesh.Vertices.Length;
-                        vertices = temp;
-                        if (vertices.Length < verticesLength) vertices = temp = new float[verticesLength];
-                        mesh.ComputeWorldVertices(slot, temp);
-                    }
         }
 
-                if (vertices != null)
+        protected override RectangleF getBounds()
         {
-                    for (int ii = 0; ii < verticesLength; ii += 2)
+            // 初始化临时对象
+            var maxDuration = 0f;
+            var tmpSkeleton = new Skeleton(skeletonData) { Skin = new(Guid.NewGuid().ToString()) };
+            var tmpAnimationState = new AnimationState(animationStateData);
+            tmpSkeleton.FlipX = skeleton.FlipX;
+            tmpSkeleton.FlipY = skeleton.FlipY;
+            tmpSkeleton.X = skeleton.X;
+            tmpSkeleton.Y = skeleton.Y;
+            foreach (var name in loadedSkins)
             {
-                        float vx = vertices[ii], vy = vertices[ii + 1];
+                foreach (var (k, v) in skeletonData.FindSkin(name).Attachments)
-                        minX = Math.Min(minX, vx);
+                    tmpSkeleton.Skin.AddAttachment(k.Key, k.Value, v);
-                        minY = Math.Min(minY, vy);
-                        maxX = Math.Max(maxX, vx);
-                        maxY = Math.Max(maxY, vy);
             }
+            foreach (var tr in animationState.Tracks.Select((_, i) => i).Where(i => animationState.Tracks[i] is not null))
+            {
+                var ani = animationState.GetCurrent(tr).Animation;
+                tmpAnimationState.SetAnimation(tr, ani, true);
+                if (ani.Duration > maxDuration) maxDuration = ani.Duration;
             }
+            tmpSkeleton.SetSlotsToSetupPose();
+            tmpAnimationState.Update(0);
+            tmpAnimationState.Apply(tmpSkeleton);
+            tmpSkeleton.Update(0);
+            tmpSkeleton.UpdateWorldTransform();
+
+            // 切成 100 帧获取边界最大值
+            var bounds = getCurrentBounds();
+            for (float tick = 0, delta = maxDuration / 100; tick < maxDuration; tick += delta)
+            {
+                tmpSkeleton.GetBounds(out var x, out var y, out var w, out var h);
+                if (x < bounds.X) bounds.X = x;
+                if (y < bounds.Y) bounds.Y = y;
+                if (w > bounds.Width) bounds.Width = w;
+                if (h > bounds.Height) bounds.Height = h;
+                tmpAnimationState.Update(delta);
+                tmpAnimationState.Apply(tmpSkeleton);
+                tmpSkeleton.Update(delta);
+                tmpSkeleton.UpdateWorldTransform();
             }
-            return new RectangleF(minX, minY, maxX - minX, maxY - minY);
+
+            return bounds;
         }
 
         protected override void update(float delta)

SpineViewer/Spine/Implementations/SpineObject/SpineObject36.cs

@@ -210,6 +210,52 @@ namespace SpineViewer.Spine.Implementations.SpineObject
             return new RectangleF(x, y, w, h);
         }
 
+        protected override RectangleF getBounds()
+        {
+            // 初始化临时对象
+            var maxDuration = 0f;
+            var tmpSkeleton = new Skeleton(skeletonData) { Skin = new(Guid.NewGuid().ToString()) };
+            var tmpAnimationState = new AnimationState(animationStateData);
+            tmpSkeleton.FlipX = skeleton.FlipX;
+            tmpSkeleton.FlipY = skeleton.FlipY;
+            tmpSkeleton.X = skeleton.X;
+            tmpSkeleton.Y = skeleton.Y;
+            foreach (var name in loadedSkins)
+            {
+                foreach (var (k, v) in skeletonData.FindSkin(name).Attachments)
+                    tmpSkeleton.Skin.AddAttachment(k.slotIndex, k.name, v);
+            }
+            foreach (var tr in animationState.Tracks.Select((_, i) => i).Where(i => animationState.Tracks.Items[i] is not null))
+            {
+                var ani = animationState.GetCurrent(tr).Animation;
+                tmpAnimationState.SetAnimation(tr, ani, true);
+                if (ani.Duration > maxDuration) maxDuration = ani.Duration;
+            }
+            tmpSkeleton.SetSlotsToSetupPose();
+            tmpAnimationState.Update(0);
+            tmpAnimationState.Apply(tmpSkeleton);
+            tmpSkeleton.Update(0);
+            tmpSkeleton.UpdateWorldTransform();
+
+            // 切成 100 帧获取边界最大值
+            var bounds = getCurrentBounds();
+            float[] _ = [];
+            for (float tick = 0, delta = maxDuration / 100; tick < maxDuration; tick += delta)
+            {
+                tmpSkeleton.GetBounds(out var x, out var y, out var w, out var h, ref _);
+                if (x < bounds.X) bounds.X = x;
+                if (y < bounds.Y) bounds.Y = y;
+                if (w > bounds.Width) bounds.Width = w;
+                if (h > bounds.Height) bounds.Height = h;
+                tmpAnimationState.Update(delta);
+                tmpAnimationState.Apply(tmpSkeleton);
+                tmpSkeleton.Update(delta);
+                tmpSkeleton.UpdateWorldTransform();
+            }
+
+            return bounds;
+        }
+
         protected override void update(float delta)
         {
             animationState.Update(delta);
@@ -218,18 +264,6 @@ namespace SpineViewer.Spine.Implementations.SpineObject
             skeleton.UpdateWorldTransform();
         }
 
-        private SFML.Graphics.BlendMode GetSFMLBlendMode(BlendMode spineBlendMode)
-        {
-            return spineBlendMode switch
-            {
-                BlendMode.Normal => SFMLBlendMode.NormalPma,
-                BlendMode.Additive => SFMLBlendMode.AdditivePma,
-                BlendMode.Multiply => SFMLBlendMode.MultiplyPma,
-                BlendMode.Screen => SFMLBlendMode.ScreenPma,
-                _ => throw new NotImplementedException($"{spineBlendMode}"),
-            };
-        }
-
         protected override void draw(SFML.Graphics.RenderTarget target, SFML.Graphics.RenderStates states)
         {
             triangleVertices.Clear();

SpineViewer/Spine/Implementations/SpineObject/SpineObject37.cs

@@ -181,6 +181,52 @@ namespace SpineViewer.Spine.Implementations.SpineObject
             return new RectangleF(x, y, w, h);
         }
 
+        protected override RectangleF getBounds()
+        {
+            // 初始化临时对象
+            var maxDuration = 0f;
+            var tmpSkeleton = new Skeleton(skeletonData) { Skin = new(Guid.NewGuid().ToString()) };
+            var tmpAnimationState = new AnimationState(animationStateData);
+            tmpSkeleton.ScaleX = skeleton.ScaleX;
+            tmpSkeleton.ScaleY = skeleton.ScaleY;
+            tmpSkeleton.X = skeleton.X;
+            tmpSkeleton.Y = skeleton.Y;
+            foreach (var name in loadedSkins)
+            {
+                foreach (var (k, v) in skeletonData.FindSkin(name).Attachments)
+                    tmpSkeleton.Skin.AddAttachment(k.slotIndex, k.name, v);
+            }
+            foreach (var tr in animationState.Tracks.Select((_, i) => i).Where(i => animationState.Tracks.Items[i] is not null))
+            {
+                var ani = animationState.GetCurrent(tr).Animation;
+                tmpAnimationState.SetAnimation(tr, ani, true);
+                if (ani.Duration > maxDuration) maxDuration = ani.Duration;
+            }
+            tmpSkeleton.SetSlotsToSetupPose();
+            tmpAnimationState.Update(0);
+            tmpAnimationState.Apply(tmpSkeleton);
+            tmpSkeleton.Update(0);
+            tmpSkeleton.UpdateWorldTransform();
+
+            // 切成 100 帧获取边界最大值
+            var bounds = getCurrentBounds();
+            float[] _ = [];
+            for (float tick = 0, delta = maxDuration / 100; tick < maxDuration; tick += delta)
+            {
+                tmpSkeleton.GetBounds(out var x, out var y, out var w, out var h, ref _);
+                if (x < bounds.X) bounds.X = x;
+                if (y < bounds.Y) bounds.Y = y;
+                if (w > bounds.Width) bounds.Width = w;
+                if (h > bounds.Height) bounds.Height = h;
+                tmpAnimationState.Update(delta);
+                tmpAnimationState.Apply(tmpSkeleton);
+                tmpSkeleton.Update(delta);
+                tmpSkeleton.UpdateWorldTransform();
+            }
+
+            return bounds;
+        }
+
         protected override void update(float delta)
         {
             animationState.Update(delta);
@@ -189,18 +235,6 @@ namespace SpineViewer.Spine.Implementations.SpineObject
             skeleton.UpdateWorldTransform();
         }
 
-        private SFML.Graphics.BlendMode GetSFMLBlendMode(BlendMode spineBlendMode)
-        {
-            return spineBlendMode switch
-            {
-                BlendMode.Normal => SFMLBlendMode.NormalPma,
-                BlendMode.Additive => SFMLBlendMode.AdditivePma,
-                BlendMode.Multiply => SFMLBlendMode.MultiplyPma,
-                BlendMode.Screen => SFMLBlendMode.ScreenPma,
-                _ => throw new NotImplementedException($"{spineBlendMode}"),
-            };
-        }
-
         protected override void draw(SFML.Graphics.RenderTarget target, SFML.Graphics.RenderStates states)
         {
             triangleVertices.Clear();

SpineViewer/Spine/Implementations/SpineObject/SpineObject38.cs

@@ -5,6 +5,7 @@ using System.IO;
 using System.Linq;
 using System.Text;
 using System.Threading.Tasks;
+using System.Xml.Linq;
 using SpineRuntime38;
 using SpineRuntime38.Attachments;
 using SpineViewer.Utils;
@@ -14,7 +15,17 @@ namespace SpineViewer.Spine.Implementations.SpineObject
     [SpineImplementation(SpineVersion.V38)]
     internal class SpineObject38 : Spine.SpineObject
     {
-        private static readonly Animation EmptyAnimation = new(EMPTY_ANIMATION, [], 0);
+        private static SFML.Graphics.BlendMode GetSFMLBlendMode(BlendMode spineBlendMode)
+        {
+            return spineBlendMode switch
+            {
+                BlendMode.Normal => SFMLBlendMode.NormalPma,
+                BlendMode.Additive => SFMLBlendMode.AdditivePma,
+                BlendMode.Multiply => SFMLBlendMode.MultiplyPma,
+                BlendMode.Screen => SFMLBlendMode.ScreenPma,
+                _ => throw new NotImplementedException($"{spineBlendMode}"),
+            };
+        }
 
         private class TextureLoader : SpineRuntime38.TextureLoader
         {
@@ -38,18 +49,19 @@ namespace SpineViewer.Spine.Implementations.SpineObject
             }
         }
 
-        private static TextureLoader textureLoader = new();
+        private static readonly TextureLoader textureLoader = new();
+        private static readonly Animation EmptyAnimation = new(EMPTY_ANIMATION, [], 0);
 
-        private Atlas atlas;
+        private readonly Atlas atlas;
-        private SkeletonBinary? skeletonBinary;
+        private readonly SkeletonBinary? skeletonBinary;
-        private SkeletonJson? skeletonJson;
+        private readonly SkeletonJson? skeletonJson;
-        private SkeletonData skeletonData;
+        private readonly SkeletonData skeletonData;
-        private AnimationStateData animationStateData;
+        private readonly AnimationStateData animationStateData;
 
-        private Skeleton skeleton;
+        private readonly Skeleton skeleton;
-        private AnimationState animationState;
+        private readonly AnimationState animationState;
 
-        private SkeletonClipping clipping = new();
+        private readonly SkeletonClipping clipping = new();
 
         public SpineObject38(string skelPath, string atlasPath) : base(skelPath, atlasPath)
         {
@@ -174,6 +186,48 @@ namespace SpineViewer.Spine.Implementations.SpineObject
             return new RectangleF(x, y, w, h);
         }
 
+        protected override RectangleF getBounds()
+        {
+            // 初始化临时对象
+            var maxDuration = 0f;
+            var tmpSkeleton = new Skeleton(skeletonData) { Skin = new(Guid.NewGuid().ToString()) };
+            var tmpAnimationState = new AnimationState(animationStateData);
+            tmpSkeleton.ScaleX = skeleton.ScaleX;
+            tmpSkeleton.ScaleY = skeleton.ScaleY;
+            tmpSkeleton.X = skeleton.X;
+            tmpSkeleton.Y = skeleton.Y;
+            foreach (var sk in loadedSkins) tmpSkeleton.Skin.AddSkin(skeletonData.FindSkin(sk));
+            foreach (var tr in animationState.Tracks.Select((_, i) => i).Where(i => animationState.Tracks.Items[i] is not null)) 
+            {
+                var ani = animationState.GetCurrent(tr).Animation;
+                tmpAnimationState.SetAnimation(tr, ani, true);
+                if (ani.Duration > maxDuration) maxDuration = ani.Duration;
+            }
+            tmpSkeleton.SetSlotsToSetupPose();
+            tmpAnimationState.Update(0);
+            tmpAnimationState.Apply(tmpSkeleton);
+            tmpSkeleton.Update(0);
+            tmpSkeleton.UpdateWorldTransform();
+
+            // 切成 100 帧获取边界最大值
+            var bounds = getCurrentBounds();
+            float[] _ = [];
+            for (float tick = 0, delta = maxDuration / 100; tick < maxDuration; tick += delta)
+            {
+                tmpSkeleton.GetBounds(out var x, out var y, out var w, out var h, ref _);
+                if (x < bounds.X) bounds.X = x;
+                if (y < bounds.Y) bounds.Y = y;
+                if (w > bounds.Width) bounds.Width = w;
+                if (h > bounds.Height) bounds.Height = h;
+                tmpAnimationState.Update(delta);
+                tmpAnimationState.Apply(tmpSkeleton);
+                tmpSkeleton.Update(delta);
+                tmpSkeleton.UpdateWorldTransform();
+            }
+
+            return bounds;
+        }
+
         protected override void update(float delta)
         {
             animationState.Update(delta);
@@ -182,18 +236,6 @@ namespace SpineViewer.Spine.Implementations.SpineObject
             skeleton.UpdateWorldTransform();
         }
 
-        private SFML.Graphics.BlendMode GetSFMLBlendMode(BlendMode spineBlendMode)
-        {
-            return spineBlendMode switch
-            {
-                BlendMode.Normal => SFMLBlendMode.NormalPma,
-                BlendMode.Additive => SFMLBlendMode.AdditivePma,
-                BlendMode.Multiply => SFMLBlendMode.MultiplyPma,
-                BlendMode.Screen => SFMLBlendMode.ScreenPma,
-                _ => throw new NotImplementedException($"{spineBlendMode}"),
-            };
-        }
-
         protected override void draw(SFML.Graphics.RenderTarget target, SFML.Graphics.RenderStates states)
         {
             triangleVertices.Clear();

SpineViewer/Spine/Implementations/SpineObject/SpineObject40.cs

@@ -13,7 +13,17 @@ namespace SpineViewer.Spine.Implementations.SpineObject
     [SpineImplementation(SpineVersion.V40)]
     internal class SpineObject40 : Spine.SpineObject
     {
-        private static readonly Animation EmptyAnimation = new(EMPTY_ANIMATION, [], 0);
+        private static SFML.Graphics.BlendMode GetSFMLBlendMode(BlendMode spineBlendMode)
+        {
+            return spineBlendMode switch
+            {
+                BlendMode.Normal => SFMLBlendMode.NormalPma,
+                BlendMode.Additive => SFMLBlendMode.AdditivePma,
+                BlendMode.Multiply => SFMLBlendMode.MultiplyPma,
+                BlendMode.Screen => SFMLBlendMode.ScreenPma,
+                _ => throw new NotImplementedException($"{spineBlendMode}"),
+            };
+        }
 
         private class TextureLoader : SpineRuntime40.TextureLoader
         {
@@ -34,18 +44,19 @@ namespace SpineViewer.Spine.Implementations.SpineObject
             }
         }
 
-        private static TextureLoader textureLoader = new();
+        private static readonly TextureLoader textureLoader = new();
+        private static readonly Animation EmptyAnimation = new(EMPTY_ANIMATION, [], 0);
 
-        private Atlas atlas;
+        private readonly Atlas atlas;
-        private SkeletonBinary? skeletonBinary;
+        private readonly SkeletonBinary? skeletonBinary;
-        private SkeletonJson? skeletonJson;
+        private readonly SkeletonJson? skeletonJson;
-        private SkeletonData skeletonData;
+        private readonly SkeletonData skeletonData;
-        private AnimationStateData animationStateData;
+        private readonly AnimationStateData animationStateData;
 
-        private Skeleton skeleton;
+        private readonly Skeleton skeleton;
-        private AnimationState animationState;
+        private readonly AnimationState animationState;
 
-        private SkeletonClipping clipping = new();
+        private readonly SkeletonClipping clipping = new();
 
         public SpineObject40(string skelPath, string atlasPath) : base(skelPath, atlasPath)
         {
@@ -170,6 +181,48 @@ namespace SpineViewer.Spine.Implementations.SpineObject
             return new RectangleF(x, y, w, h);
         }
         
+        protected override RectangleF getBounds()
+        {
+            // 初始化临时对象
+            var maxDuration = 0f;
+            var tmpSkeleton = new Skeleton(skeletonData) { Skin = new(Guid.NewGuid().ToString()) };
+            var tmpAnimationState = new AnimationState(animationStateData);
+            tmpSkeleton.ScaleX = skeleton.ScaleX;
+            tmpSkeleton.ScaleY = skeleton.ScaleY;
+            tmpSkeleton.X = skeleton.X;
+            tmpSkeleton.Y = skeleton.Y;
+            foreach (var sk in loadedSkins) tmpSkeleton.Skin.AddSkin(skeletonData.FindSkin(sk));
+            foreach (var tr in animationState.Tracks.Select((_, i) => i).Where(i => animationState.Tracks.Items[i] is not null))
+            {
+                var ani = animationState.GetCurrent(tr).Animation;
+                tmpAnimationState.SetAnimation(tr, ani, true);
+                if (ani.Duration > maxDuration) maxDuration = ani.Duration;
+            }
+            tmpSkeleton.SetSlotsToSetupPose();
+            tmpAnimationState.Update(0);
+            tmpAnimationState.Apply(tmpSkeleton);
+            tmpSkeleton.Update(0);
+            tmpSkeleton.UpdateWorldTransform();
+
+            // 切成 100 帧获取边界最大值
+            var bounds = getCurrentBounds();
+            float[] _ = [];
+            for (float tick = 0, delta = maxDuration / 100; tick < maxDuration; tick += delta)
+            {
+                tmpSkeleton.GetBounds(out var x, out var y, out var w, out var h, ref _);
+                if (x < bounds.X) bounds.X = x;
+                if (y < bounds.Y) bounds.Y = y;
+                if (w > bounds.Width) bounds.Width = w;
+                if (h > bounds.Height) bounds.Height = h;
+                tmpAnimationState.Update(delta);
+                tmpAnimationState.Apply(tmpSkeleton);
+                tmpSkeleton.Update(delta);
+                tmpSkeleton.UpdateWorldTransform();
+            }
+
+            return bounds;
+        }
+
         protected override void update(float delta)
         {
             animationState.Update(delta);
@@ -178,18 +231,6 @@ namespace SpineViewer.Spine.Implementations.SpineObject
             skeleton.UpdateWorldTransform();
         }
 
-        private SFML.Graphics.BlendMode GetSFMLBlendMode(BlendMode spineBlendMode)
-        {
-            return spineBlendMode switch
-            {
-                BlendMode.Normal => SFMLBlendMode.NormalPma,
-                BlendMode.Additive => SFMLBlendMode.AdditivePma,
-                BlendMode.Multiply => SFMLBlendMode.MultiplyPma,
-                BlendMode.Screen => SFMLBlendMode.ScreenPma,
-                _ => throw new NotImplementedException($"{spineBlendMode}"),
-            };
-        }
-
         protected override void draw(SFML.Graphics.RenderTarget target, SFML.Graphics.RenderStates states)
         {
             triangleVertices.Clear();

SpineViewer/Spine/Implementations/SpineObject/SpineObject41.cs

@@ -13,7 +13,17 @@ namespace SpineViewer.Spine.Implementations.SpineObject
     [SpineImplementation(SpineVersion.V41)]
     internal class SpineObject41 : Spine.SpineObject
     {
-        private static readonly Animation EmptyAnimation = new(EMPTY_ANIMATION, [], 0);
+        private static SFML.Graphics.BlendMode GetSFMLBlendMode(BlendMode spineBlendMode)
+        {
+            return spineBlendMode switch
+            {
+                BlendMode.Normal => SFMLBlendMode.NormalPma,
+                BlendMode.Additive => SFMLBlendMode.AdditivePma,
+                BlendMode.Multiply => SFMLBlendMode.MultiplyPma,
+                BlendMode.Screen => SFMLBlendMode.ScreenPma,
+                _ => throw new NotImplementedException($"{spineBlendMode}"),
+            };
+        }
 
         private class TextureLoader : SpineRuntime41.TextureLoader
         {
@@ -35,17 +45,18 @@ namespace SpineViewer.Spine.Implementations.SpineObject
         }
 
         private static TextureLoader textureLoader = new();
+        private static readonly Animation EmptyAnimation = new(EMPTY_ANIMATION, [], 0);
 
-        private Atlas atlas;
+        private readonly Atlas atlas;
-        private SkeletonBinary? skeletonBinary;
+        private readonly SkeletonBinary? skeletonBinary;
-        private SkeletonJson? skeletonJson;
+        private readonly SkeletonJson? skeletonJson;
-        private SkeletonData skeletonData;
+        private readonly SkeletonData skeletonData;
-        private AnimationStateData animationStateData;
+        private readonly AnimationStateData animationStateData;
 
-        private Skeleton skeleton;
+        private readonly Skeleton skeleton;
-        private AnimationState animationState;
+        private readonly AnimationState animationState;
 
-        private SkeletonClipping clipping = new();
+        private readonly SkeletonClipping clipping = new();
 
         public SpineObject41(string skelPath, string atlasPath) : base(skelPath, atlasPath)
         {
@@ -170,6 +181,48 @@ namespace SpineViewer.Spine.Implementations.SpineObject
             return new RectangleF(x, y, w, h);
         }
 
+        protected override RectangleF getBounds()
+        {
+            // 初始化临时对象
+            var maxDuration = 0f;
+            var tmpSkeleton = new Skeleton(skeletonData) { Skin = new(Guid.NewGuid().ToString()) };
+            var tmpAnimationState = new AnimationState(animationStateData);
+            tmpSkeleton.ScaleX = skeleton.ScaleX;
+            tmpSkeleton.ScaleY = skeleton.ScaleY;
+            tmpSkeleton.X = skeleton.X;
+            tmpSkeleton.Y = skeleton.Y;
+            foreach (var sk in loadedSkins) tmpSkeleton.Skin.AddSkin(skeletonData.FindSkin(sk));
+            foreach (var tr in animationState.Tracks.Select((_, i) => i).Where(i => animationState.Tracks.Items[i] is not null))
+            {
+                var ani = animationState.GetCurrent(tr).Animation;
+                tmpAnimationState.SetAnimation(tr, ani, true);
+                if (ani.Duration > maxDuration) maxDuration = ani.Duration;
+            }
+            tmpSkeleton.SetSlotsToSetupPose();
+            tmpAnimationState.Update(0);
+            tmpAnimationState.Apply(tmpSkeleton);
+            //tmpSkeleton.Update(0);
+            tmpSkeleton.UpdateWorldTransform();
+
+            // 切成 100 帧获取边界最大值
+            var bounds = getCurrentBounds();
+            float[] _ = [];
+            for (float tick = 0, delta = maxDuration / 100; tick < maxDuration; tick += delta)
+            {
+                tmpSkeleton.GetBounds(out var x, out var y, out var w, out var h, ref _);
+                if (x < bounds.X) bounds.X = x;
+                if (y < bounds.Y) bounds.Y = y;
+                if (w > bounds.Width) bounds.Width = w;
+                if (h > bounds.Height) bounds.Height = h;
+                tmpAnimationState.Update(delta);
+                tmpAnimationState.Apply(tmpSkeleton);
+                //tmpSkeleton.Update(delta);
+                tmpSkeleton.UpdateWorldTransform();
+            }
+
+            return bounds;
+        }
+
         protected override void update(float delta)
         {
             animationState.Update(delta);
@@ -178,18 +231,6 @@ namespace SpineViewer.Spine.Implementations.SpineObject
             skeleton.UpdateWorldTransform();
         }
 
-        private SFML.Graphics.BlendMode GetSFMLBlendMode(BlendMode spineBlendMode)
-        {
-            return spineBlendMode switch
-            {
-                BlendMode.Normal => SFMLBlendMode.NormalPma,
-                BlendMode.Additive => SFMLBlendMode.AdditivePma,
-                BlendMode.Multiply => SFMLBlendMode.MultiplyPma,
-                BlendMode.Screen => SFMLBlendMode.ScreenPma,
-                _ => throw new NotImplementedException($"{spineBlendMode}"),
-            };
-        }
-
         protected override void draw(SFML.Graphics.RenderTarget target, SFML.Graphics.RenderStates states)
         {
             triangleVertices.Clear();

SpineViewer/Spine/Implementations/SpineObject/Spineobject42.cs

@@ -13,7 +13,17 @@ namespace SpineViewer.Spine.Implementations.SpineObject
     [SpineImplementation(SpineVersion.V42)]
     internal class Spineobject42 : Spine.SpineObject
     {
-        private static readonly Animation EmptyAnimation = new(EMPTY_ANIMATION, [], 0);
+        private SFML.Graphics.BlendMode GetSFMLBlendMode(BlendMode spineBlendMode)
+        {
+            return spineBlendMode switch
+            {
+                BlendMode.Normal => SFMLBlendMode.NormalPma,
+                BlendMode.Additive => SFMLBlendMode.AdditivePma,
+                BlendMode.Multiply => SFMLBlendMode.MultiplyPma,
+                BlendMode.Screen => SFMLBlendMode.ScreenPma,
+                _ => throw new NotImplementedException($"{spineBlendMode}"),
+            };
+        }
 
         private class TextureLoader : SpineRuntime42.TextureLoader
         {
@@ -34,18 +44,19 @@ namespace SpineViewer.Spine.Implementations.SpineObject
             }
         }
 
-        private static TextureLoader textureLoader = new();
+        private static readonly TextureLoader textureLoader = new();
+        private static readonly Animation EmptyAnimation = new(EMPTY_ANIMATION, [], 0);
 
-        private Atlas atlas;
+        private readonly Atlas atlas;
-        private SkeletonBinary? skeletonBinary;
+        private readonly SkeletonBinary? skeletonBinary;
-        private SkeletonJson? skeletonJson;
+        private readonly SkeletonJson? skeletonJson;
-        private SkeletonData skeletonData;
+        private readonly SkeletonData skeletonData;
-        private AnimationStateData animationStateData;
+        private readonly AnimationStateData animationStateData;
 
-        private Skeleton skeleton;
+        private readonly Skeleton skeleton;
-        private AnimationState animationState;
+        private readonly AnimationState animationState;
 
-        private SkeletonClipping clipping = new();
+        private readonly SkeletonClipping clipping = new();
 
         public Spineobject42(string skelPath, string atlasPath) : base(skelPath, atlasPath)
         {
@@ -170,6 +181,48 @@ namespace SpineViewer.Spine.Implementations.SpineObject
             return new RectangleF(x, y, w, h);
         }
 
+        protected override RectangleF getBounds()
+        {
+            // 初始化临时对象
+            var maxDuration = 0f;
+            var tmpSkeleton = new Skeleton(skeletonData) { Skin = new(Guid.NewGuid().ToString()) };
+            var tmpAnimationState = new AnimationState(animationStateData);
+            tmpSkeleton.ScaleX = skeleton.ScaleX;
+            tmpSkeleton.ScaleY = skeleton.ScaleY;
+            tmpSkeleton.X = skeleton.X;
+            tmpSkeleton.Y = skeleton.Y;
+            foreach (var sk in loadedSkins) tmpSkeleton.Skin.AddSkin(skeletonData.FindSkin(sk));
+            foreach (var tr in animationState.Tracks.Select((_, i) => i).Where(i => animationState.Tracks.Items[i] is not null))
+            {
+                var ani = animationState.GetCurrent(tr).Animation;
+                tmpAnimationState.SetAnimation(tr, ani, true);
+                if (ani.Duration > maxDuration) maxDuration = ani.Duration;
+            }
+            tmpSkeleton.SetSlotsToSetupPose();
+            tmpAnimationState.Update(0);
+            tmpAnimationState.Apply(tmpSkeleton);
+            tmpSkeleton.Update(0);
+            tmpSkeleton.UpdateWorldTransform(Skeleton.Physics.Update);
+
+            // 切成 100 帧获取边界最大值
+            var bounds = getCurrentBounds();
+            float[] _ = [];
+            for (float tick = 0, delta = maxDuration / 100; tick < maxDuration; tick += delta)
+            {
+                tmpSkeleton.GetBounds(out var x, out var y, out var w, out var h, ref _);
+                if (x < bounds.X) bounds.X = x;
+                if (y < bounds.Y) bounds.Y = y;
+                if (w > bounds.Width) bounds.Width = w;
+                if (h > bounds.Height) bounds.Height = h;
+                tmpAnimationState.Update(delta);
+                tmpAnimationState.Apply(tmpSkeleton);
+                tmpSkeleton.Update(delta);
+                tmpSkeleton.UpdateWorldTransform(Skeleton.Physics.Update);
+            }
+
+            return bounds;
+        }
+
         protected override void update(float delta)
         {
             animationState.Update(delta);
@@ -178,18 +231,6 @@ namespace SpineViewer.Spine.Implementations.SpineObject
             skeleton.UpdateWorldTransform(Skeleton.Physics.Update);
         }
 
-        private SFML.Graphics.BlendMode GetSFMLBlendMode(BlendMode spineBlendMode)
-        {
-            return spineBlendMode switch
-            {
-                BlendMode.Normal => SFMLBlendMode.NormalPma,
-                BlendMode.Additive => SFMLBlendMode.AdditivePma,
-                BlendMode.Multiply => SFMLBlendMode.MultiplyPma,
-                BlendMode.Screen => SFMLBlendMode.ScreenPma,
-                _ => throw new NotImplementedException($"{spineBlendMode}"),
-            };
-        }
-
         protected override void draw(SFML.Graphics.RenderTarget target, SFML.Graphics.RenderStates states)
         {
             triangleVertices.Clear();

SpineViewer/Spine/SpineObject.cs

@@ -443,8 +443,8 @@ namespace SpineViewer.Spine
         /// <summary>
         /// 获取当前参数下包围盒最大范围, 不是精确值
         /// </summary>
-        //public RectangleF GetBounds() { }
+        public RectangleF GetBounds() { lock (_lock) return getBounds(); }
-        //protected abstract RectangleF getBounds();
+        protected abstract RectangleF getBounds();
 
         /// <summary>
         /// 更新内部状态