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329 行
12 KiB
329 行
12 KiB
using System;
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using System.Collections.Generic;
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using System.IO;
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using System.Text;
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using System.Text.RegularExpressions;
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using UnityEngine;
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#if UNITY_EDITOR
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using UnityEditor;
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#endif
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namespace Unity.DemoTeam.DigitalHuman
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{
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[CreateAssetMenu(menuName = "Digital Human/Snappers Head Importer", fileName = "MyCharacter_SnappersHeadImporter", order = 50)]
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public class SnappersHeadImporter : ScriptableObject
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{
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const int SB_SIZE = 65536;
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[Header("Source stacks")]
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public List<TextAsset> scriptsResolveControllers;
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public List<TextAsset> scriptsResolveBlendShapes;
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public List<TextAsset> scriptsResolveShaderParam;
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[Header("Source literals")]
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public string namedControllers = "Controllers";
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public string namedBlendShapes = "BlendShapes";
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public string namedShaderParam = "ShaderParam";
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[Header("Output settings")]
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public string csClassPrefix = "MyCharacter";
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public string csNamespace = "MyNamespace";
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#if UNITY_EDITOR
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[ContextMenu("Generate")]
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public void Generate()
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{
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var includedControllers = new Dictionary<string, SnappersControllerCaps>();
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var includedBlendShapes = new HashSet<string>();
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var includedShaderParam = new HashSet<string>();
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// generate the evaluation functions
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{
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GenerateEvaluationFunctions(scriptsResolveControllers, scriptsResolveBlendShapes, scriptsResolveShaderParam, includedControllers, includedBlendShapes, includedShaderParam);
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}
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// generate the data structures
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{
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GenerateDataStructure("SnappersControllers", includedControllers.Keys);
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GenerateDataStructure("SnappersBlendShapes", includedBlendShapes);
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// ................... SnappersShaderParam.. already defined
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}
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AssetDatabase.Refresh();
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Debug.LogFormat("trying to create: {0}.{1}_SnappersHead", csNamespace, csClassPrefix);
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var scriptInstance = CreateInstance(string.Format("{0}.{1}_SnappersHead", csNamespace, csClassPrefix));
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if (scriptInstance != null)
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{
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var outputDir = GetWritePath();
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var outputPath = string.Format("{0}/{1}_SnappersHead.asset", outputDir, csClassPrefix);
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AssetDatabase.CreateAsset(scriptInstance, outputPath);
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AssetDatabase.SaveAssets();
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}
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}
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public void GenerateEvaluationFunctions(List<TextAsset> resolveControllers, List<TextAsset> resolveBlendShapes, List<TextAsset> resolveShaderParam, Dictionary<string, SnappersControllerCaps> includedControllers, HashSet<string> includedBlendShapes, HashSet<string> includedShaderParam)
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{
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var sb = new StringBuilder(SB_SIZE);
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sb.AppendLine("using UnityEngine;");
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sb.AppendLine("using Unity.DemoTeam.DigitalHuman;");
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sb.AppendLine("using Unity.Collections.LowLevel.Unsafe;// for UnsafeUtilityEx.AsRef<T>");
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sb.AppendLine();
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sb.AppendLine("using static Unity.DemoTeam.DigitalHuman.SnappersHeadDefinitionMath;");
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sb.AppendLine();
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sb.AppendFormat("namespace {0}\n", csNamespace);
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sb.AppendLine("{");
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sb.AppendFormat(" using SnappersControllers = {0}_SnappersControllers<SnappersController>;\n", csClassPrefix);
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sb.AppendFormat(" using SnappersBlendShapes = {0}_SnappersBlendShapes<float>;\n", csClassPrefix);
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sb.AppendLine();
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sb.AppendFormat(" public class {0}_{1}\n", csClassPrefix, "SnappersHead : SnappersHeadDefinition");
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sb.AppendLine(" {");
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sb.AppendLine(" public override InstanceData CreateInstanceData(Mesh sourceMesh, Transform sourceRig, Warning warnings)");
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sb.AppendLine(" {");
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sb.AppendLine(" return CreateInstanceData<SnappersControllers, SnappersBlendShapes>(sourceMesh, sourceRig, warnings);");
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sb.AppendLine(" }");
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sb.AppendLine();
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sb.AppendLine("#pragma warning disable 0219");
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GenerateEvaluationFunction(sb, " ", "ResolveControllers", resolveControllers, includedControllers, includedBlendShapes, includedShaderParam, skipCaps: true);
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sb.AppendLine();
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GenerateEvaluationFunction(sb, " ", "ResolveBlendShapes", resolveBlendShapes, includedControllers, includedBlendShapes, includedShaderParam, skipCaps: false);
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sb.AppendLine();
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GenerateEvaluationFunction(sb, " ", "ResolveShaderParam", resolveShaderParam, includedControllers, includedBlendShapes, includedShaderParam, skipCaps: false);
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sb.AppendLine();
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GenerateInitializeControllerCaps(sb, " ", "InitializeControllerCaps", includedControllers);
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sb.AppendLine("#pragma warning restore 0219");
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sb.AppendLine(" }");
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sb.AppendLine("}");
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WriteScriptAsset(string.Format("{0}_{1}", csClassPrefix, "SnappersHead"), sb.ToString());
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}
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public void GenerateEvaluationFunction(StringBuilder sb, string tabs, string name, List<TextAsset> scripts, Dictionary<string, SnappersControllerCaps> includedControllers, HashSet<string> includedBlendShapes, HashSet<string> includedShaderParam, bool skipCaps)
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{
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sb.AppendFormat(" // --- {0}\n", name);
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sb.AppendFormat(" public override unsafe void {0}(void* ptrSnappersControllers, void* ptrSnappersBlendShapes, void* ptrSnappersShaderParam)\n", name);
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sb.AppendLine(" {");
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sb.AppendFormat(" {0}(\n", name);
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sb.AppendLine(" ref UnsafeUtilityEx.AsRef<SnappersControllers>(ptrSnappersControllers),");
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sb.AppendLine(" ref UnsafeUtilityEx.AsRef<SnappersBlendShapes>(ptrSnappersBlendShapes),");
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sb.AppendLine(" ref UnsafeUtilityEx.AsRef<SnappersShaderParam>(ptrSnappersShaderParam)");
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sb.AppendLine(" );");
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sb.AppendLine(" }");
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sb.AppendFormat(" public void {0}(ref SnappersControllers {1}, ref SnappersBlendShapes {2}, ref SnappersShaderParam {3})\n", name, namedControllers, namedBlendShapes, namedShaderParam);
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sb.AppendLine(" {");
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foreach (var script in scripts)
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{
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if (script == null)
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continue;
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sb.AppendFormat(" // this segment generated from '{0}'\n", script.name);
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sb.AppendLine(" {");
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GenerateEvaluationFunctionSegment(sb, " ", script, includedControllers, includedBlendShapes, includedShaderParam, skipCaps);
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sb.AppendLine(" }");
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}
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sb.AppendLine(" }");
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}
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public void GenerateEvaluationFunctionSegment(StringBuilder sb, string tabs, TextAsset script, Dictionary<string, SnappersControllerCaps> includedControllers, HashSet<string> includedBlendShapes, HashSet<string> includedShaderParams, bool skipCaps)
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{
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var regexDouble = new Regex("(\\d+\\.\\d+)([^f])");
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var regexMember = new Regex("([a-zA-Z_]+[\\w]*)\\.([a-zA-Z_]+[\\w]*)");
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var inputPath = AssetDatabase.GetAssetPath(script);
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var inputStream = new StreamReader(inputPath);
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while (inputStream.EndOfStream == false)
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{
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var line = inputStream.ReadLine();
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if (line.Length == 0)
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continue;
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// add tabs
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sb.Append(tabs);
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// replace $ with _
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line = line.Replace('$', '_');
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// replace eeg. 0.0 with 0.0f
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line = regexDouble.Replace(line, "$1f$2");
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// replace and gather struct.member
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var matches = regexMember.Matches(line);
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{
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int lineCursor = 0;
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foreach (Match match in matches)
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{
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sb.Append(line, lineCursor, match.Index - lineCursor);
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var nameStruct = match.Groups[1].Value;
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var nameMember = match.Groups[2].Value;
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if (nameStruct == namedBlendShapes)
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{
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includedBlendShapes.Add(nameMember);
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}
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//else if (nameStruct == namedControllers)
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//{
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// includedControllers.Add(nameMember);
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//}
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else if (nameStruct == namedShaderParam)
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{
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includedShaderParams.Add(nameMember);
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}
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else// controller
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{
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SnappersControllerCaps caps;
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includedControllers.TryGetValue(nameStruct, out caps);
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includedControllers[nameStruct] = caps | (skipCaps ? SnappersControllerCaps.none : TranslateControllerField(nameMember));
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sb.Append(namedControllers);
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sb.Append('.');
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}
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lineCursor = match.Index;
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}
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sb.Append(line, lineCursor, line.Length - lineCursor);
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}
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// add newline
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sb.Append('\n');
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}
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inputStream.Close();
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}
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public void GenerateInitializeControllerCaps(StringBuilder sb, string tabs, string name, Dictionary<string, SnappersControllerCaps> includedControllers)
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{
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Func<StringBuilder, int, SnappersControllerCaps, SnappersControllerCaps, int> concatCap = (_sb, _capCount, _caps, _cap) =>
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{
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if ((_caps & _cap) != 0)
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{
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if (_capCount++ > 0)
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{
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sb.Append(" | ");
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}
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_sb.Append("SnappersControllerCaps.");
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_sb.Append(_cap);
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}
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return _capCount;
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};
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sb.AppendFormat(" // --- {0}\n", name);
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sb.AppendFormat(" public override unsafe void {0}(void* ptrSnappersControllers)\n", name);
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sb.AppendLine(" {");
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sb.AppendFormat(" {0}(\n", name);
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sb.AppendLine(" ref UnsafeUtilityEx.AsRef<SnappersControllers>(ptrSnappersControllers)");
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sb.AppendLine(" );");
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sb.AppendLine(" }");
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sb.AppendFormat(" public void {0}(ref SnappersControllers {1})\n", name, namedControllers);
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sb.AppendLine(" {");
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List<string> sortedFields;
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sortedFields = new List<string>(includedControllers.Keys);
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sortedFields.Sort();
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foreach (var field in sortedFields)
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{
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sb.AppendFormat(" {0}.{1}.caps = ", namedControllers, field);
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var caps = includedControllers[field];
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var capCount = 0;
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capCount = concatCap(sb, capCount, caps, SnappersControllerCaps.translateX);
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capCount = concatCap(sb, capCount, caps, SnappersControllerCaps.translateY);
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capCount = concatCap(sb, capCount, caps, SnappersControllerCaps.translateZ);
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capCount = concatCap(sb, capCount, caps, SnappersControllerCaps.rotateX);
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capCount = concatCap(sb, capCount, caps, SnappersControllerCaps.rotateY);
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capCount = concatCap(sb, capCount, caps, SnappersControllerCaps.rotateZ);
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capCount = concatCap(sb, capCount, caps, SnappersControllerCaps.scaleX);
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capCount = concatCap(sb, capCount, caps, SnappersControllerCaps.scaleY);
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capCount = concatCap(sb, capCount, caps, SnappersControllerCaps.scaleZ);
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if (capCount == 0)
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sb.AppendLine("SnappersControllerCaps.none;");
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else
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sb.AppendLine(";");
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}
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sb.AppendLine(" }");
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}
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public void GenerateDataStructure(string name, IEnumerable<string> fields)
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{
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var sb = new StringBuilder(SB_SIZE);
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List<string> sortedFields;
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sortedFields = new List<string>(fields);
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sortedFields.Sort();
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sb.AppendLine("using Unity.DemoTeam.DigitalHuman;");
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sb.AppendLine();
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sb.AppendFormat("namespace {0}\n", csNamespace);
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sb.AppendLine("{");
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sb.AppendFormat(" public struct {0}_{1}<T> where T : struct\n", csClassPrefix, name);
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sb.AppendLine(" {");
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foreach (var field in sortedFields)
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{
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sb.Append(" public T ");
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sb.Append(field);
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sb.AppendLine(";");
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}
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sb.AppendLine(" }");
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sb.AppendLine("}");
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WriteScriptAsset(string.Format("{0}_{1}", csClassPrefix, name), sb.ToString());
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}
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public string GetWritePath()
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{
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return Path.GetDirectoryName(AssetDatabase.GetAssetPath(this)).Replace('\\', '/');
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}
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public string WriteScriptAsset(string identifier, string text)
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{
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var outputDir = GetWritePath();
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var outputPath = string.Format("{0}/{1}.cs", outputDir, identifier);
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var outputStream = new StreamWriter(outputPath);
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outputStream.NewLine = "\n";
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outputStream.Write(text.Replace("\r\n", "\n"));
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outputStream.Flush();
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outputStream.Close();
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Debug.LogFormat("Wrote {0}", outputPath);
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return outputPath;
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}
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static SnappersControllerCaps TranslateControllerField(string field)
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{
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switch (field)
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{
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case "translateX": return SnappersControllerCaps.translateX;
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case "translateY": return SnappersControllerCaps.translateY;
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case "translateZ": return SnappersControllerCaps.translateZ;
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case "rotateX": return SnappersControllerCaps.rotateX;
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case "rotateY": return SnappersControllerCaps.rotateY;
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case "rotateZ": return SnappersControllerCaps.rotateZ;
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case "scaleX": return SnappersControllerCaps.scaleX;
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case "scaleY": return SnappersControllerCaps.scaleY;
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case "scaleZ": return SnappersControllerCaps.scaleZ;
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default: return SnappersControllerCaps.none;
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}
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}
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#endif
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}
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}
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