\u5565\u4e5f\u4e0d\u8bf4\u5148\u4e0a\u4ee3\u7801<\/p>\n\n\n
\nusing System.Collections;\nusing System.Collections.Generic;\nusing UnityEngine;\nusing UnityEditor;\nusing System.IO;\nusing Unity.Jobs;\nusing Unity.Collections;\nusing Unity.Collections.LowLevel.Unsafe;\n\npublic class OutLineBaker : AssetPostprocessor\n{\n static bool bExecuting = false;\n [MenuItem("Tools\/BakeNormal", false, 100)]\n \n public static void BakeNormal()\n {\n Object obj = Selection.activeObject;\n string path = AssetDatabase.GetAssetPath(obj);\n string ext = Path.GetExtension(path);\n\n if(ext == ".fbx")\n {\n bExecuting = true;\n string newPath = Path.GetDirectoryName(path) + "\/copy_@@@" + Path.GetFileName(path);\n Debug.Log($"new Path= {newPath}");\n AssetDatabase.CopyAsset(path, newPath);\n \/\/AssetDatabase.ImportAsset(newPath);\n\n\n }\n else\n {\n Debug.Log($"\u5fc5\u987b\u5bf9.fbx\u6587\u4ef6\u8fdb\u884c\u6b64\u64cd\u4f5c");\n }\n \/\/Debug.Log($"EXT name = {ext}");\n\n }\n static void OnPostOver(string path,bool isCopy)\n {\n if (isCopy)\n {\n string srcPath = path.Replace("copy_@@@", "");\n Debug.Log($"\u590d\u5236\u4f53\u540e\u5904\u7406\u540e\uff0c\u672c\u4f53\u7684path={srcPath}");\n AssetDatabase.ImportAsset(srcPath);\n }\n else\n {\n Debug.Log($"\u5904\u7406\u5b8c\u6bd5\uff0c\u5173\u95ed\u5f00\u5173");\n bExecuting = false;\n }\n\n }\n void OnPreprocessModel()\n {\n if (!bExecuting) return;\n \/\/Input Settings\n\n ModelImporter importer = assetImporter as ModelImporter;\n\n if (!assetImporter.assetPath.Contains("copy_@@@")) return;\n\n importer.importNormals = ModelImporterNormals.Calculate;\n importer.normalCalculationMode = ModelImporterNormalCalculationMode.AngleWeighted;\n importer.normalSmoothingAngle = 180f;\n\n\n importer.importAnimation = false;\/\/no animation imported\n importer.materialImportMode = ModelImporterMaterialImportMode.None;\/\/no material imported\n Debug.Log($"1");\n }\n\n void OnPostprocessModel(GameObject go)\n {\n if (!bExecuting) return;\n \/\/AfterInputing Settings\n\n if(go.name.Contains("copy_@@@"))\n {\n \/\/Debug.Log($"Enter the copy obj postprocess");\n OnPostOver(assetPath, true);\n }\n else\n {\n \/\/ Debug.Log($"Self");\n string copyPath = Path.GetDirectoryName(assetPath) + "\/copy_@@@" + Path.GetFileName(assetPath);\n Debug.Log($"\u590d\u5236\u4f53\u7684Path = {copyPath}");\n GameObject cGo = AssetDatabase.LoadAssetAtPath<GameObject>(copyPath);\n\n Dictionary<string, Mesh> dic_name2mesh_src = GetMesh(go);\/\/\u539f\u672c\u6a21\u578b\u7684\u5404\u4e2a\u5b50Mesh,\u901a\u8fc7\u8282\u70b9\u540d\u7d22\u5f15\n Dictionary<string, Mesh> dic_name2mesh_copy = GetMesh(cGo);\/\/\u5e73\u6ed1\u6a21\u578b\u5404\u4e2a\u5b50Mesh,\u901a\u8fc7\u8282\u70b9\u540d\u7d22\u5f15\n\n foreach (var item in dic_name2mesh_src) \n {\n item.Value.colors = GetColor(item.Value,dic_name2mesh_copy[item.Key]);\n }\n\n OnPostOver("", false);\n\n\n }\n\n \n }\n Dictionary<string,Mesh>GetMesh(GameObject go)\n {\n Dictionary<string, Mesh> dic = new();\n foreach (var item in go.GetComponentsInChildren<MeshFilter>())\n {\n string n = item.name.Replace("copy_@@@", "");\n dic.Add(n, item.sharedMesh);\n }\n\n if (dic.Count == 0)\n {\n foreach (var item in go.GetComponentsInChildren<SkinnedMeshRenderer>())\n {\n string n = item.name.Replace("copy_@@@", "");\n dic.Add(n, item.sharedMesh);\n }\n }\n\n return dic;\n }\n\n Color[] GetColor(Mesh srcMesh,Mesh smthMesh)\n {\n \/\/\u6309\u7167\u9876\u70b9\u4f4d\u7f6e\u7d22\u5f15\uff0c\u70d8\u7119\u4fe1\u606f\n int lenSrc = srcMesh.vertices.Length;\n int lenSmth = smthMesh.vertices.Length;\n int maxOverlap = 10;\n\n NativeArray<Vector3> arr_vert_smth = new(smthMesh.vertices,Allocator.Persistent);\/\/Allocator\u4e3a\u8d44\u6e90\u5206\u914d\u7684\u65b9\u5f0f\uff0c\u4e00\u822c\u9009\u62e9Persistent\n NativeArray<Vector3> arr_normal_smth = new(smthMesh.normals, Allocator.Persistent);\n\n NativeArray<UnsafeHashMap<Vector3, Vector3>> arr_vert2normal = new(maxOverlap, Allocator.Persistent);\n NativeArray<UnsafeHashMap<Vector3, Vector3>.ParallelWriter> arr_vert2normal_writer = new(maxOverlap, Allocator.Persistent);\n\n for (int i = 0; i < maxOverlap; i++) \n {\n arr_vert2normal[i] = new UnsafeHashMap<Vector3, Vector3>(lenSmth, Allocator.Persistent);\n arr_vert2normal_writer[i] = arr_vert2normal[i].AsParallelWriter();\n }\n\n\n CollectNormalJob collectJob = new()\n {\n verts = arr_vert_smth,\n normals = arr_normal_smth,\n arr_vert2normal= arr_vert2normal_writer\n };\n\n JobHandle collectHandle = collectJob.Schedule(lenSmth, 128);\n collectHandle.Complete();\n\n\n\n\n NativeArray<Vector3> arr_vert_src = new(srcMesh.vertices, Allocator.Persistent);\n NativeArray<Vector3> arr_nor_src = new(srcMesh.normals, Allocator.Persistent);\n NativeArray<Vector4> arr_tgt_src = new(srcMesh.tangents, Allocator.Persistent);\n\n NativeArray<Color> arr_color = new(lenSrc, Allocator.Persistent);\n\n BakeNormalJob bakeJob = new()\n {\n normals = arr_nor_src,\n verts = arr_vert_src,\n tangents = arr_tgt_src,\n bakedNormals = arr_vert2normal,\n colors = arr_color\n\n };\n\n JobHandle bakeHandel = bakeJob.Schedule(lenSrc,128);\n bakeHandel.Complete();\/\/\u70d8\u7119\u5b8c\u6210\n\n Color[] cols = new Color[lenSrc];\n arr_color.CopyTo(cols);\n\n foreach (var item in arr_vert2normal)\n {\n item.Dispose();\n }\n arr_vert_smth.Dispose();\n arr_normal_smth.Dispose();\n arr_vert2normal.Dispose();\n arr_vert2normal_writer.Dispose();\n arr_vert_src.Dispose();\n arr_nor_src.Dispose();\n arr_tgt_src.Dispose();\n arr_color.Dispose();\n\n\n return cols;\n\n\n\n\n\n\n\n\n\n }\n\n struct CollectNormalJob : IJobParallelFor\n {\n [ReadOnly] public NativeArray<Vector3> verts;\n\n [ReadOnly] public NativeArray<Vector3> normals;\n\n\n \/\/\u9876\u70b9-\u6cd5\u7ebf\u7684\u6620\u5c04\n [NativeDisableContainerSafetyRestriction]\/\/\u89e3\u9664\u5b89\u5168\u9501\u5b9a\n\n\n \/\/\u9876\u70b9-\u6cd5\u7ebf\n public NativeArray<UnsafeHashMap<Vector3, Vector3>.ParallelWriter> arr_vert2normal;\/\/NativeArray\u662f\u4e00\u4e2a\u5e73\u884c\u5b57\u5178\uff0c\u6709\u4e00\u4e2a\u5b89\u5168\u5c01\u88c5\uff0c\u4e00\u822c\u662f\u65e0\u6cd5\u5199\u5165\u7684\uff0c\u6240\u4ee5\u9700\u8981\u4e00\u4e2a.ParallelWriter\u7684\u5199\u5165\u5668\n \n\n\n public void Execute(int index)\n {\n \/\/\u6bcf\u6b21\u6267\u884c\n for (int i = 0; i < arr_vert2normal.Length; i++)\n {\n if (i==arr_vert2normal.Length)\n {\n Debug.Log($"\u8d85\u51fa\u9876\u70b9\u6570\u91cf");\n break;\n }\n if (arr_vert2normal[i].TryAdd(verts[index], normals[index]))\n {\n Debug.Log($"\u5f53\u524d\u6dfb\u52a0\uff1a\u9876\u70b9\uff1a{verts[index]},\u6cd5\u7ebf\uff1a{normals[index]}");\n break;\n } \n }\n }\n }\n\n struct BakeNormalJob : IJobParallelFor\n {\n \/\/\u5207\u7ebf\u7a7a\u95f4 \u5207\u7ebf \u6cd5\u7ebf \u9876\u70b9\u4f4d\u7f6e \u70d8\u7119\u597d\u7684\u6cd5\u7ebf \u8f93\u51fa-\u989c\u8272\u6570\u7ec4\n [ReadOnly] public NativeArray<Vector3> normals;\n [ReadOnly] public NativeArray<Vector3> verts;\n [ReadOnly] public NativeArray<Vector4> tangents;\n [ReadOnly][NativeDisableContainerSafetyRestriction] public NativeArray<UnsafeHashMap<Vector3, Vector3>> bakedNormals;\n public NativeArray<Color> colors;\n\n public void Execute(int index)\n {\n Vector3 newNormal = Vector3.zero;\n\n for (int i = 0; i < bakedNormals.Length; i++)\n {\n if (bakedNormals[i][verts[index]]!= Vector3.zero){\n newNormal += bakedNormals[i][verts[index]];\n }\n else\n {\n break;\n }\n }\n newNormal = newNormal.normalized;\n\n \/\/tangent\u4f5c\u4e3aVEC4\u6570\u503c\uff0c\u91cc\u9762\u7684W\u5b58\u50a8\u7684\u662f+1\u6216\u8005-1\uff0c\u56e0\u4e3aopengl\u4e8eDX\u5750\u6807\u4e00\u4e2a\u5de6\u624b\u4e00\u4e2a\u53f3\u624b\uff0c\u6240\u4ee5\u62ffZ\u533a\u5206\n Vector3 bitangent = (Vector3.Cross(normals[index], tangents[index]) * tangents[index].w).normalized;\n\n Matrix4x4 tbn = new(\n tangents[index],\n bitangent,\n normals[index],\n Vector4.zero\n );\n\n tbn = tbn.transpose;\n\n Vector3 finalNormal = tbn.MultiplyVector(newNormal).normalized;\n\n Color col = new(\n\n finalNormal.x*0.5f+0.5f,\n finalNormal.y*0.5f+0.5f,\n finalNormal.z*0.5f+0.5f,\n 1\n\n\n\n );\n\n colors[index] = col;\n }\n }\n}\n\n<\/pre>\n\n\n\u4f7f\u7528\u4e4b\u524d\uff0c\u73b0\u5728unity\u4e2d\u8f7d\u5165Collection\uff0c\u5982\u679cUnity\u7248\u672c\u5927\u4e8e2022\uff0c\u9700\u8981\u5c06UnsafeHashMap\u66ff\u4ee3\u6210UnsafeParallelHashMap<\/p>\n","protected":false},"excerpt":{"rendered":"
\u5565\u4e5f\u4e0d\u8bf4\u5148\u4e0a\u4ee3\u7801 \u4f7f\u7528\u4e4b\u524d\uff0c\u73b0\u5728unity\u4e2d\u8f7d\u5165Collection\uff0c\u5982\u679cUnity\u7248\u672c\u5927\u4e8e2022\uff0c\u9700\u8981\u5c06U … \u7ee7\u7eed\u9605\u8bfb\u5728Unity\u4e0b\u5b9e\u73b0Normal Smooth\u4ee5\u89e3\u51b3\u63cf\u8fb9\u65ad\u88c2\u7684\u95ee\u9898<\/span>