Initial commit: Client Doc docs Server Tools

Co-authored-by: Cursor <cursoragent@cursor.com>
2026-07-10 10:24:29 +08:00
commit 7e35d8da31
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+/******************************************************************************
+ * Spine Runtimes License Agreement
+ * Last updated April 5, 2025. Replaces all prior versions.
+ *
+ * Copyright (c) 2013-2026, 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.
+ *****************************************************************************/
+
+// Optimization option: Allows faster BuildMeshWithArrays call and avoids calling SetTriangles at the cost of
+// checking for mesh differences (vertex counts, member-wise attachment list compare) every frame.
+#define SPINE_TRIANGLECHECK
+//#define SPINE_DEBUG
+
+using System;
+using System.Collections.Generic;
+using UnityEngine;
+
+namespace Spine.Unity {
+	/// <summary>A double-buffered Mesh, and a shared material array, bundled for use by Spine components that need to push a Mesh and materials to a Unity MeshRenderer and MeshFilter.</summary>
+	public class MeshRendererBuffers : IDisposable {
+		DoubleBuffered<SmartMesh> doubleBufferedMesh;
+		internal readonly ExposedList<Material> submeshMaterials = new ExposedList<Material>();
+		internal Material[] sharedMaterials = new Material[0];
+		internal int previousMaterialHash = 0;
+
+		public void Initialize () {
+			if (doubleBufferedMesh != null) {
+				doubleBufferedMesh.GetNext().Clear();
+				doubleBufferedMesh.GetNext().Clear();
+				submeshMaterials.Clear();
+			} else {
+				doubleBufferedMesh = new DoubleBuffered<SmartMesh>();
+			}
+		}
+
+		/// <summary>Updates an internal materials list with the given instruction list.</summary>
+		public void GatherMaterialsFromInstructions (ExposedList<SubmeshInstruction> instructions,
+			out bool materialsChanged) {
+			int newSize = instructions.Count;
+			{ //submeshMaterials.Resize(instructions.Count);
+				if (newSize > submeshMaterials.Items.Length)
+					Array.Resize(ref submeshMaterials.Items, newSize);
+				submeshMaterials.Count = newSize;
+			}
+
+			Material[] submeshMaterialsItems = submeshMaterials.Items;
+			SubmeshInstruction[] instructionsItems = instructions.Items;
+			for (int i = 0; i < newSize; i++)
+				submeshMaterialsItems[i] = instructionsItems[i].material;
+
+			materialsChanged = EvaluateMaterialsChanged();
+		}
+
+		/// <summary>Returns a sharedMaterials array for use on a MeshRenderer.</summary>
+		/// <returns></returns>
+		public Material[] UpdateSharedMaterialsArray () {
+			if (submeshMaterials.Count == sharedMaterials.Length)
+				submeshMaterials.CopyTo(sharedMaterials);
+			else
+				sharedMaterials = submeshMaterials.ToArray();
+			return sharedMaterials;
+		}
+
+		public SmartMesh GetCurrentMesh () {
+			return doubleBufferedMesh.GetCurrent();
+		}
+
+		public SmartMesh GetNextMesh () {
+			return doubleBufferedMesh.GetNext();
+		}
+
+		public void Clear () {
+			sharedMaterials = new Material[0];
+			submeshMaterials.Clear();
+		}
+
+		public void Dispose () {
+			if (doubleBufferedMesh == null) return;
+			doubleBufferedMesh.GetNext().Dispose();
+			doubleBufferedMesh.GetNext().Dispose();
+			doubleBufferedMesh = null;
+		}
+
+		/// <summary>This is a Mesh that also stores the instructions SkeletonRenderer generated for it.</summary>
+		public class SmartMesh : IDisposable {
+			public Mesh mesh = SpineMesh.NewSkeletonMesh();
+			public SkeletonRendererInstruction instructionUsed = new SkeletonRendererInstruction();
+
+			public void Clear () {
+				mesh.Clear();
+				instructionUsed.Clear();
+			}
+
+			public void Dispose () {
+				if (mesh != null) {
+#if UNITY_EDITOR
+					if (Application.isEditor && !Application.isPlaying)
+						UnityEngine.Object.DestroyImmediate(mesh);
+					else
+						UnityEngine.Object.Destroy(mesh);
+#else
+					UnityEngine.Object.Destroy(mesh);
+#endif
+				}
+				mesh = null;
+			}
+		}
+
+		/// <summary>Returns true if the materials were modified since the buffers were last updated.</summary>
+		protected bool EvaluateMaterialsChanged () {
+			int submeshMaterialsHash = 0;
+			int newSubmeshMaterials = submeshMaterials.Count;
+			Material[] submeshMaterialsItems = submeshMaterials.Items;
+			for (int i = 0; i < newSubmeshMaterials; i++) {
+				Material material = submeshMaterialsItems[i];
+				if (material == null) continue;
+				int hash = material.GetHashCode() * (i + 1);
+				submeshMaterialsHash += hash;
+			}
+			bool isNewHash = previousMaterialHash != submeshMaterialsHash;
+			previousMaterialHash = submeshMaterialsHash;
+			return isNewHash || (sharedMaterials.Length != newSubmeshMaterials);
+		}
+	}
+}