[unity] Added experimental package com.esotericsoftware.spine.ui-toolkit to support UI Toolkit. See #1943.

2025-12-20 17:26:01 +08:00 · 2024-07-02 17:23:41 +02:00 · 2024-07-02 17:23:41 +02:00 · af57e96f91
commit af57e96f91
parent f9fb7a3b0c
31 changed files with 10663 additions and 0 deletions
--- a/spine-unity/Modules/com.esotericsoftware.spine.ui-toolkit/LICENSE.md
+++ b/spine-unity/Modules/com.esotericsoftware.spine.ui-toolkit/LICENSE.md
@ -0,0 +1,26 @@
+# Spine Runtimes License Agreement
+Last updated July 28, 2023. Replaces all prior versions.
+
+Copyright (c) 2013-2024, Esoteric Software LLC
+
+Integration of the Spine Runtimes into software or otherwise creating
+derivative works of the Spine Runtimes is permitted under the terms and
+conditions of Section 2 of the Spine Editor License Agreement:
+http://esotericsoftware.com/spine-editor-license
+
+Otherwise, it is permitted to integrate the Spine Runtimes into software or
+otherwise create derivative works of the Spine Runtimes (collectively,
+"Products"), provided that each user of the Products must obtain their own
+Spine Editor license and redistribution of the Products in any form must
+include this license and copyright notice.
+
+THE SPINE RUNTIMES ARE PROVIDED BY ESOTERIC SOFTWARE LLC "AS IS" AND ANY
+EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+DISCLAIMED. IN NO EVENT SHALL ESOTERIC SOFTWARE LLC BE LIABLE FOR ANY
+DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES,
+BUSINESS INTERRUPTION, OR LOSS OF USE, DATA, OR PROFITS) HOWEVER CAUSED AND
+ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THE
+SPINE RUNTIMES, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
--- a/spine-unity/Modules/com.esotericsoftware.spine.ui-toolkit/LICENSE.md.meta
+++ b/spine-unity/Modules/com.esotericsoftware.spine.ui-toolkit/LICENSE.md.meta
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--- a/spine-unity/Modules/com.esotericsoftware.spine.ui-toolkit/Runtime.meta
+++ b/spine-unity/Modules/com.esotericsoftware.spine.ui-toolkit/Runtime.meta
@ -0,0 +1,8 @@
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--- a/spine-unity/Modules/com.esotericsoftware.spine.ui-toolkit/Runtime/MeshGeneratorUIElements.cs
+++ b/spine-unity/Modules/com.esotericsoftware.spine.ui-toolkit/Runtime/MeshGeneratorUIElements.cs
@ -0,0 +1,88 @@
+/******************************************************************************
+ * Spine Runtimes License Agreement
+ * Last updated July 28, 2023. Replaces all prior versions.
+ *
+ * Copyright (c) 2013-2024, Esoteric Software LLC
+ *
+ * Integration of the Spine Runtimes into software or otherwise creating
+ * derivative works of the Spine Runtimes is permitted under the terms and
+ * conditions of Section 2 of the Spine Editor License Agreement:
+ * http://esotericsoftware.com/spine-editor-license
+ *
+ * Otherwise, it is permitted to integrate the Spine Runtimes into software or
+ * otherwise create derivative works of the Spine Runtimes (collectively,
+ * "Products"), provided that each user of the Products must obtain their own
+ * Spine Editor license and redistribution of the Products in any form must
+ * include this license and copyright notice.
+ *
+ * THE SPINE RUNTIMES ARE PROVIDED BY ESOTERIC SOFTWARE LLC "AS IS" AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL ESOTERIC SOFTWARE LLC BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES,
+ * BUSINESS INTERRUPTION, OR LOSS OF USE, DATA, OR PROFITS) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THE
+ * SPINE RUNTIMES, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *****************************************************************************/
+
+#if UNITY_2018_1_OR_NEWER
+#define HAS_NATIVE_COLLECTIONS
+#endif
+
+using UnityEngine;
+using System;
+using System.Collections.Generic;
+using Unity.Collections;
+
+namespace Spine.Unity {
+
+	/// <summary>Holds several methods to prepare and generate a UnityEngine mesh based on a skeleton. Contains buffers needed to perform the operation, and serializes settings for mesh generation.</summary>
+	[System.Serializable]
+	public class MeshGeneratorUIElements : MeshGenerator {
+
+#if HAS_NATIVE_COLLECTIONS
+		public void FillVertexData (ref NativeSlice<UnityEngine.UIElements.Vertex> uiVertices) {
+
+			var vertexBufferItems = vertexBuffer.Items;
+			var uvBufferItems = uvBuffer.Items;
+			var colorBufferItems = colorBuffer.Items;
+			int vertexBufferLength = vertexBufferItems.Length;
+
+			int vertexCount = vertexBuffer.Count;
+			// Zero the extra.
+			{
+				var vector3zero = Vector3.zero;
+				for (int i = vertexCount; i < vertexBufferLength; i++)
+					vertexBufferItems[i] = vector3zero;
+			}
+
+			// Set the vertex buffer.
+			{
+				for (int i = 0; i < vertexCount; i++) {
+					UnityEngine.UIElements.Vertex uiVertex = uiVertices[i];
+					uiVertex.position = vertexBufferItems[i];
+					uiVertex.tint = colorBufferItems[i];
+					uiVertex.uv = uvBufferItems[i];
+					uiVertices[i] = uiVertex;
+				}
+			}
+		}
+
+		public void FillTrianglesSingleSubmesh (ref NativeSlice<ushort> uiIndices, int submeshIndex = 0) {
+			if (submeshes.Count == 0)
+				return;
+
+			var srcIndices32List = submeshes.Items[submeshIndex];
+			int[] srcIndices32 = srcIndices32List.Items;
+			int srcIndicesCount = srcIndices32List.Count;
+			int dstIndicesCount = uiIndices.Length;
+			for (int i = 0; i < srcIndicesCount; ++i)
+				uiIndices[i] = (ushort)srcIndices32[i];
+			for (int i = srcIndicesCount; i < dstIndicesCount; ++i)
+				uiIndices[i] = 0;
+		}
+#endif // HAS_NATIVE_COLLECTIONS
+	}
+}
--- a/spine-unity/Modules/com.esotericsoftware.spine.ui-toolkit/Runtime/MeshGeneratorUIElements.cs.meta
+++ b/spine-unity/Modules/com.esotericsoftware.spine.ui-toolkit/Runtime/MeshGeneratorUIElements.cs.meta
@ -0,0 +1,11 @@
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--- a/spine-unity/Modules/com.esotericsoftware.spine.ui-toolkit/Runtime/SpineVisualElement.cs
+++ b/spine-unity/Modules/com.esotericsoftware.spine.ui-toolkit/Runtime/SpineVisualElement.cs
@ -0,0 +1,355 @@
+/******************************************************************************
+ * Spine Runtimes License Agreement
+ * Last updated July 28, 2023. Replaces all prior versions.
+ *
+ * Copyright (c) 2013-2024, Esoteric Software LLC
+ *
+ * Integration of the Spine Runtimes into software or otherwise creating
+ * derivative works of the Spine Runtimes is permitted under the terms and
+ * conditions of Section 2 of the Spine Editor License Agreement:
+ * http://esotericsoftware.com/spine-editor-license
+ *
+ * Otherwise, it is permitted to integrate the Spine Runtimes into software or
+ * otherwise create derivative works of the Spine Runtimes (collectively,
+ * "Products"), provided that each user of the Products must obtain their own
+ * Spine Editor license and redistribution of the Products in any form must
+ * include this license and copyright notice.
+ *
+ * THE SPINE RUNTIMES ARE PROVIDED BY ESOTERIC SOFTWARE LLC "AS IS" AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL ESOTERIC SOFTWARE LLC BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES,
+ * BUSINESS INTERRUPTION, OR LOSS OF USE, DATA, OR PROFITS) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THE
+ * SPINE RUNTIMES, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *****************************************************************************/
+
+using System;
+using Unity.Collections;
+using Unity.Jobs;
+using UnityEngine;
+using UnityEngine.Profiling;
+using UnityEngine.UIElements;
+using UIVertex = UnityEngine.UIElements.Vertex;
+
+namespace Spine.Unity {
+
+	[UxmlElement]
+	public partial class SpineVisualElement : VisualElement {
+		public new class UxmlFactory : UxmlFactory<SpineVisualElement, UxmlTraits> { }
+
+		[SpineAnimation(dataField: "SkeletonDataAsset", avoidGenericMenu: true)]
+		[UxmlAttribute]
+		public string StartingAnimation {
+			get { return startingAnimation; }
+			set {
+				if (startingAnimation == value) return;
+				startingAnimation = value;
+#if UNITY_EDITOR
+				if (!Application.isPlaying)
+					Initialize(true);
+#endif
+			}
+		}
+		public string startingAnimation = "";
+
+		[SpineSkin(dataField: "SkeletonDataAsset", avoidGenericMenu: true)]
+		[UxmlAttribute]
+		public string InitialSkinName {
+			get { return initialSkinName; }
+			set {
+				if (initialSkinName == value) return;
+				initialSkinName = value;
+#if UNITY_EDITOR
+				if (!Application.isPlaying)
+					Initialize(true);
+#endif
+			}
+		}
+		public string initialSkinName;
+
+		[UxmlAttribute] public bool startingLoop { get; set; } = true;
+		[UxmlAttribute] public float timeScale { get; set; } = 1.0f;
+
+		[UxmlAttribute]
+		public SkeletonDataAsset SkeletonDataAsset {
+			get { return skeletonDataAsset; }
+			set {
+				if (skeletonDataAsset == value) return;
+				skeletonDataAsset = value;
+#if UNITY_EDITOR
+				if (!Application.isPlaying)
+					Initialize(true);
+#endif
+			}
+		}
+		public SkeletonDataAsset skeletonDataAsset;
+
+		public AnimationState AnimationState {
+			get {
+				Initialize(false);
+				return state;
+			}
+		}
+		public bool freeze { get; set; }
+		public bool unscaledTime { get; set; }
+
+		/// <summary>Update mode to optionally limit updates to e.g. only apply animations but not update the mesh.</summary>
+		public UpdateMode UpdateMode { get { return updateMode; } set { updateMode = value; } }
+		protected UpdateMode updateMode = UpdateMode.FullUpdate;
+
+		protected AnimationState state;
+		protected Skeleton skeleton;
+		protected SkeletonRendererInstruction currentInstructions = new();// to match existing code better
+		protected Spine.Unity.MeshGeneratorUIElements meshGenerator = new MeshGeneratorUIElements();
+
+		protected VisualElement rendererElement;
+		IVisualElementScheduledItem scheduledItem;
+		protected Bounds referenceMeshBounds;
+		protected float scale = 100;
+		protected float offsetX, offsetY;
+
+		bool IsValid { get { return skeleton != null; } }
+
+		public SpineVisualElement () {
+			RegisterCallback<AttachToPanelEvent>(OnAttachedCallback);
+			RegisterCallback<DetachFromPanelEvent>(OnDetatchedCallback);
+
+			rendererElement = new VisualElement();
+			rendererElement.generateVisualContent += GenerateVisualContents;
+			rendererElement.pickingMode = PickingMode.Ignore;
+			rendererElement.style.position = Position.Absolute;
+			rendererElement.style.top = 0;
+			rendererElement.style.left = 0;
+			rendererElement.style.bottom = 0;
+			rendererElement.style.right = 0;
+			Add(rendererElement);
+
+			rendererElement.RegisterCallback<GeometryChangedEvent>(OnGeometryChanged);
+		}
+
+		void OnGeometryChanged (GeometryChangedEvent evt) {
+			AdjustOffsetScaleToMeshBounds(rendererElement);
+		}
+
+		void OnAttachedCallback (AttachToPanelEvent evt) {
+			Initialize(false);
+		}
+
+		void OnDetatchedCallback (DetachFromPanelEvent evt) {
+			ClearElement();
+		}
+
+		public void ClearElement () {
+			skeleton = null;
+			DisposeUISubmeshes();
+		}
+
+		public virtual void Update () {
+#if UNITY_EDITOR
+			if (!Application.isPlaying) {
+				Update(0f);
+				return;
+			}
+#endif
+
+			if (freeze) return;
+			Update(unscaledTime ? Time.unscaledDeltaTime : Time.deltaTime);
+			rendererElement.MarkDirtyRepaint();
+		}
+
+		public virtual void Update (float deltaTime) {
+			if (!this.IsValid) return;
+
+			if (updateMode < UpdateMode.OnlyAnimationStatus)
+				return;
+			UpdateAnimationStatus(deltaTime);
+
+			if (updateMode == UpdateMode.OnlyAnimationStatus)
+				return;
+			ApplyAnimation();
+		}
+
+		protected void UpdateAnimationStatus (float deltaTime) {
+			deltaTime *= timeScale;
+			state.Update(deltaTime);
+			skeleton.Update(deltaTime);
+		}
+
+		protected void ApplyAnimation () {
+
+			if (updateMode != UpdateMode.OnlyEventTimelines)
+				state.Apply(skeleton);
+			else
+				state.ApplyEventTimelinesOnly(skeleton);
+
+			skeleton.UpdateWorldTransform(Skeleton.Physics.Update);
+		}
+
+		void Initialize (bool overwrite) {
+			if (this.IsValid && !overwrite) return;
+
+			if (this.SkeletonDataAsset == null) return;
+			var skeletonData = this.SkeletonDataAsset.GetSkeletonData(false);
+			if (skeletonData == null) return;
+
+			if (SkeletonDataAsset.atlasAssets.Length <= 0 || SkeletonDataAsset.atlasAssets[0].MaterialCount <= 0) return;
+
+			this.state = new Spine.AnimationState(SkeletonDataAsset.GetAnimationStateData());
+			if (state == null) {
+				Clear();
+				return;
+			}
+
+			this.skeleton = new Skeleton(skeletonData) {
+				ScaleX = 1,
+				ScaleY = -1
+			};
+
+			// Set the initial Skin and Animation
+			if (!string.IsNullOrEmpty(initialSkinName))
+				skeleton.SetSkin(initialSkinName);
+
+			if (!string.IsNullOrEmpty(startingAnimation)) {
+				var animationObject = SkeletonDataAsset.GetSkeletonData(false).FindAnimation(startingAnimation);
+				if (animationObject != null) {
+					state.SetAnimation(0, animationObject, startingLoop);
+				}
+			}
+
+			AdjustReferenceMeshBounds();
+			if (scheduledItem == null)
+				scheduledItem = schedule.Execute(Update).Every(1);
+
+			rendererElement.MarkDirtyRepaint();
+		}
+
+		protected class UISubmesh {
+			public NativeArray<UIVertex>? vertices = null;
+			public NativeArray<ushort>? indices = null;
+
+			public NativeSlice<UIVertex> verticesSlice;
+			public NativeSlice<ushort> indicesSlice;
+		}
+		protected readonly ExposedList<UISubmesh> uiSubmeshes = new ExposedList<UISubmesh>();
+
+		protected void GenerateVisualContents (MeshGenerationContext context) {
+			if (!this.IsValid) return;
+
+			MeshGeneratorUIElements.GenerateSkeletonRendererInstruction(currentInstructions, skeleton, null,
+				null,
+				 false,
+				false);
+
+			int submeshCount = currentInstructions.submeshInstructions.Count;
+			PrepareUISubmeshCount(submeshCount);
+
+			// Generate meshes.
+			for (int i = 0; i < submeshCount; i++) {
+				var submeshInstructionItem = currentInstructions.submeshInstructions.Items[i];
+				UISubmesh uiSubmesh = uiSubmeshes.Items[i];
+
+				meshGenerator.Begin();
+				meshGenerator.AddSubmesh(submeshInstructionItem);
+				// clipping is done, vertex counts are final.
+
+				PrepareUISubmesh(uiSubmesh, meshGenerator.VertexCount, meshGenerator.SubmeshIndexCount(0));
+				meshGenerator.FillVertexData(ref uiSubmesh.verticesSlice);
+				meshGenerator.FillTrianglesSingleSubmesh(ref uiSubmesh.indicesSlice);
+
+				var submeshMaterial = submeshInstructionItem.material;
+
+				Texture usedTexture = submeshMaterial.mainTexture;
+
+				FillContext(context, uiSubmesh, usedTexture);
+			}
+		}
+
+		protected void PrepareUISubmeshCount (int targetCount) {
+			int oldCount = uiSubmeshes.Count;
+			uiSubmeshes.EnsureCapacity(targetCount);
+			for (int i = oldCount; i < targetCount; ++i) {
+				uiSubmeshes.Add(new UISubmesh());
+			}
+		}
+
+		protected void PrepareUISubmesh (UISubmesh uiSubmesh, int vertexCount, int indexCount) {
+			bool shallReallocateVertices = uiSubmesh.vertices == null || uiSubmesh.vertices.Value.Length < vertexCount;
+			if (shallReallocateVertices) {
+				int allocationCount = vertexCount;
+				if (uiSubmesh.vertices != null) {
+					allocationCount = Math.Max(vertexCount, 2 * uiSubmesh.vertices.Value.Length);
+					uiSubmesh.vertices.Value.Dispose();
+				}
+				uiSubmesh.vertices = new NativeArray<UIVertex>(allocationCount, Allocator.Persistent, NativeArrayOptions.ClearMemory);
+			}
+			if (shallReallocateVertices || uiSubmesh.verticesSlice.Length != vertexCount) {
+				uiSubmesh.verticesSlice = new NativeSlice<UIVertex>(uiSubmesh.vertices.Value, 0, vertexCount);
+			}
+
+			bool shallReallocateIndices = uiSubmesh.indices == null || uiSubmesh.indices.Value.Length < indexCount;
+			if (shallReallocateIndices) {
+				int allocationCount = indexCount;
+				if (uiSubmesh.indices != null) {
+					allocationCount = Math.Max(indexCount, uiSubmesh.indices.Value.Length * 2);
+					uiSubmesh.indices.Value.Dispose();
+				}
+				uiSubmesh.indices = new NativeArray<ushort>(allocationCount, Allocator.Persistent, NativeArrayOptions.ClearMemory);
+			}
+			if (shallReallocateIndices || uiSubmesh.indicesSlice.Length != indexCount) {
+				uiSubmesh.indicesSlice = new NativeSlice<ushort>(uiSubmesh.indices.Value, 0, indexCount);
+			}
+		}
+
+		protected void DisposeUISubmeshes () {
+			for (int i = 0, count = uiSubmeshes.Count; i < count; ++i) {
+				UISubmesh uiSubmesh = uiSubmeshes.Items[i];
+				if (uiSubmesh.vertices != null) uiSubmesh.vertices.Value.Dispose();
+				if (uiSubmesh.indices != null) uiSubmesh.indices.Value.Dispose();
+			}
+			uiSubmeshes.Clear();
+		}
+
+		void FillContext (MeshGenerationContext context, UISubmesh submesh, Texture texture) {
+			MeshWriteData meshWriteData = context.Allocate(submesh.verticesSlice.Length, submesh.indicesSlice.Length, texture);
+
+			meshWriteData.SetAllVertices(submesh.verticesSlice);
+			meshWriteData.SetAllIndices(submesh.indicesSlice);
+		}
+
+		public void AdjustReferenceMeshBounds () {
+
+			// Need one update to obtain valid mesh bounds
+			Update(0.0f);
+			MeshGeneratorUIElements.GenerateSkeletonRendererInstruction(currentInstructions, skeleton,
+				null, null, false, false);
+			int submeshCount = currentInstructions.submeshInstructions.Count;
+			meshGenerator.Begin();
+
+			for (int i = 0; i < submeshCount; i++) {
+				var submeshInstructionItem = currentInstructions.submeshInstructions.Items[i];
+				meshGenerator.AddSubmesh(submeshInstructionItem);
+			}
+
+			referenceMeshBounds = meshGenerator.GetMeshBounds();
+		}
+
+		void AdjustOffsetScaleToMeshBounds (VisualElement visualElement) {
+			Rect targetRect = visualElement.layout;
+			float xScale = targetRect.width / referenceMeshBounds.size.x;
+			float yScale = targetRect.height / referenceMeshBounds.size.y;
+			this.scale = Math.Min(xScale, yScale);
+			float targetOffsetX = targetRect.width / 2;
+			float targetOffsetY = targetRect.height / 2;
+			this.offsetX = targetOffsetX - referenceMeshBounds.center.x * this.scale;
+			this.offsetY = targetOffsetY - referenceMeshBounds.center.y * this.scale;
+
+			visualElement.style.translate = new StyleTranslate(new Translate(offsetX, offsetY, 0));
+			visualElement.style.transformOrigin = new TransformOrigin(0, 0, 0);
+			visualElement.style.scale = new Scale(new Vector3(scale, scale, 1));
+		}
+	}
+}
--- a/spine-unity/Modules/com.esotericsoftware.spine.ui-toolkit/Runtime/SpineVisualElement.cs.meta
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+  "name": "com.esotericsoftware.spine.ui-toolkit",
+  "displayName": "Spine UI Toolkit [Experimental]",
+  "description": "This plugin provides UI Toolkit integration for the spine-unity runtime.\n\nPrerequisites:\nIt requires a working installation of the spine-unity runtime, version 4.2.\n(See http://esotericsoftware.com/git/spine-runtimes/spine-unity)",
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+  ]
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