阶段性完成

Assets/OtherPlugins/AutoLOD/Scripts/Tools/AutoLODProperties.cs

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+#if UNITY_EDITOR
+using UnityEngine;
+using UnityEditor;
+
+namespace AutoLOD.MeshDecimator
+{
+    public enum MeshDecimatorBackend
+    {
+        Fast = 0,
+        HighQuality
+    }
+
+    public class AutoLODProperties : Editor
+    { 
+
+        public Renderer _target;
+        public bool _customSettings = false;
+        public MeshDecimatorBackend _backend = MeshDecimatorBackend.HighQuality;
+        public bool _foldout = false;
+        public bool _lodGroupFoldout = false;
+
+        public int _lodLevels = 4;
+        public float _reductionRate = 2f;
+        public bool _autoReductionRate = true;
+        public float _performance = 0.5f;
+        public float _relativeHeightCulling = 0.002f;
+        public bool _flatShading = false;
+
+        public bool _writeMeshOnDisk;
+        public string _filePath;
+
+        private void OnEnable()
+        {
+            _filePath = (EditorPrefs.GetString("autolodDefaultExportFolder", "Assets/AutoLOD/Generated")).Replace("//", "/");
+            if (_filePath.StartsWith("Assets/"))
+                _filePath = _filePath.Substring(7);
+        }
+
+        public void Apply(AutoLODProperties other)
+        {
+            _customSettings = false;
+            _backend = other._backend;
+            _foldout = false;
+            _lodGroupFoldout = false;
+            _lodLevels = other._lodLevels;
+            _reductionRate = other._reductionRate;
+            _autoReductionRate = other._autoReductionRate;
+            _performance = other._performance;
+            _relativeHeightCulling = other._relativeHeightCulling;
+            _flatShading = other._flatShading;
+            _writeMeshOnDisk = other._writeMeshOnDisk;
+            _filePath = other._filePath;
+        }
+    }
+}
+
+#endif
+

Assets/OtherPlugins/AutoLOD/Scripts/Tools/AutoLODProperties.cs.meta

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Assets/OtherPlugins/AutoLOD/Scripts/Tools/MeshDecimatorUnityEngine.cs

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+// This file is no longer required since AutoLOD 5.0

Assets/OtherPlugins/AutoLOD/Scripts/Tools/MeshDecimatorUnityEngine.cs.meta

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Assets/OtherPlugins/AutoLOD/Scripts/Tools/MeshUtility.cs

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+using System.Collections.Generic;
+using UnityEngine;
+
+namespace AutoLOD.MeshDecimator {
+    public class AutoLODMeshUtility
+    {
+        public static void Smooth2FlatShading(Mesh mesh)
+        {
+            Vector3[] oldVerts = mesh.vertices;
+            Vector2[] oldUv = mesh.uv;
+            Vector2[] oldUv2 = mesh.uv2;
+            Vector2[] oldUv3 = mesh.uv3;
+            Vector2[] oldUv4 = mesh.uv4;
+            Color[] oldColors = mesh.colors;
+            BoneWeight[] oldBoneWeights = mesh.boneWeights;
+
+            bool hasUv = oldUv.Length != 0;
+            bool hasUv2 = oldUv2.Length != 0;
+            bool hasUv3 = oldUv3.Length != 0;
+            bool hasUv4 = oldUv4.Length != 0;
+            bool hasColors = oldColors.Length != 0;
+            bool hasBones = oldBoneWeights.Length != 0;
+
+            List<Vector3> newVertices = new List<Vector3>();
+            List<int>[] newTriangles = new List<int>[mesh.subMeshCount];
+            List<Vector2> newUv = new List<Vector2>();
+            List<Vector2> newUv2 = new List<Vector2>();
+            List<Vector2> newUv3 = new List<Vector2>();
+            List<Vector2> newUv4 = new List<Vector2>();
+            List<Color> newColors = new List<Color>();
+            List<BoneWeight> newBoneWeights = new List<BoneWeight>();
+
+            for (int submesh = 0; submesh < mesh.subMeshCount; submesh++)
+            {
+                int[] submeshTriangles = mesh.GetTriangles(submesh);
+                newTriangles[submesh] = new List<int>();
+
+                for (int i = 0; i < submeshTriangles.Length; i++)
+                {
+                    int vertexIndex = submeshTriangles[i];
+
+                    newVertices.Add(oldVerts[vertexIndex]);
+                    newTriangles[submesh].Add(newVertices.Count - 1);
+
+                    if (hasUv) newUv.Add(oldUv[vertexIndex]);
+                    if (hasUv2) newUv2.Add(oldUv2[vertexIndex]);
+                    if (hasUv3) newUv3.Add(oldUv3[vertexIndex]);
+                    if (hasUv4) newUv4.Add(oldUv4[vertexIndex]);
+                    if (hasColors) newColors.Add(oldColors[vertexIndex]);
+                    if (hasBones) newBoneWeights.Add(oldBoneWeights[vertexIndex]);
+                }
+            }
+
+            if (newVertices.Count > 65535)
+                mesh.indexFormat = UnityEngine.Rendering.IndexFormat.UInt32;
+
+            mesh.vertices = newVertices.ToArray();
+            if (hasUv) mesh.uv = newUv.ToArray();
+            if (hasUv2) mesh.uv2 = newUv2.ToArray();
+            if (hasUv3) mesh.uv3 = newUv3.ToArray();
+            if (hasUv4) mesh.uv4 = newUv4.ToArray();
+            if (hasColors) mesh.colors = newColors.ToArray();
+            if (hasBones) mesh.boneWeights = newBoneWeights.ToArray();
+
+            for (int submesh = 0; submesh < mesh.subMeshCount; submesh++)
+            {
+                mesh.SetTriangles(newTriangles[submesh].ToArray(), submesh);
+            }
+
+            mesh.RecalculateNormals();
+        }
+    }
+}

Assets/OtherPlugins/AutoLOD/Scripts/Tools/MeshUtility.cs.meta

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