1. 创建unity项目
error:
error CS0006: Metadata file 'Library/PackageCache/com.unity.collab-proxy@2.8.2/Lib/Editor/PlasticSCM/log4netPlastic.dll' could not be found
error CS0006: Metadata file 'Library/PackageCache/com.unity.collab-proxy@2.8.2/Lib/Editor/PlasticSCM/Unity.Plastic.Antlr3.Runtime.dll' could not be found
error CS0006: Metadata file 'Library/PackageCache/com.unity.collab-proxy@2.8.2/Lib/Editor/PlasticSCM/Unity.Plastic.Newtonsoft.Json.dll' could not be found
删除项目文件夹下的library，然后重新打开项目，解决错误
2. 根据文本生成动画代码
AnimationClipFromCSV.cs
using System;
using System.Collections;
using System.Collections.Generic;
using System.ComponentModel;
using System.IO;
using System.Linq;
using System.Reflection;
using System.Text.RegularExpressions;
using UnityEngine;
using Newtonsoft.Json.Linq;
using System.Text;
using static System.Net.Mime.MediaTypeNames;//[RequireComponent(typeof(Animation))]
public class AnimationClipFromCSV : MonoBehaviour
{AnimationClip animationClip;public List<List<string>> data;public List<LineData> fileData;private Regex fieldPattern = new Regex("(?:^|,)(\"(?:[^\"]+|\"\")*\"|[^,]*)");private Dictionary<string, string> field_mapping = new Dictionary<string, string>();public List<string> curve_names;public List<string> root_motion_curve_names;private int num_curves_on_single_joint;private int num_curves_root_motion;// legacyprivate int num_keys = 10; //number of keys to keep *in addition to* the initial keyprivate int num_meta_columns = 3;private string inputPath = "C:\\Bill\\temp/whale_excited2.txt";private string outputPath;private GameObject joint_hierarchy_root;[TextArea(10, 30)]private string object_JSON;private Animation anim;private string clip_name;//public GameObject obj;//public GameObject root_obj;void Awake(){num_curves_on_single_joint = curve_names.Count;num_curves_root_motion = root_motion_curve_names.Count;//anim = GetComponent<Animation>();define animation curve//animationClip = new AnimationClip();set animation clip to be legacy//animationClip.legacy = true;//ConfigurateAnimationCurvesTxt();post-processing for visual quality//animationClip.EnsureQuaternionContinuity();add clip to the animator//anim.AddClip(animationClip, clip_name);play it on loop//AnimationState state = anim[clip_name];//state.wrapMode = WrapMode.Loop;//anim.Play(clip_name);}List<LineData> ParseTxtFileToData(string animation_txt){List<LineData> data = new List<LineData>();string[] lines = animation_txt.Split('\n');// the first line is root motionstring root_motion_line = lines[0];data.Add(ParseRootMotionData(RemoveWhiteSpaces(root_motion_line)));// other animation curvesfor (int i = 1; i < lines.Length; i++){string line = lines[i];//data.Add(ParseString(line));data.Add(ParseString(RemoveWhiteSpaces(line)));}return data;}public AnimationClip GetClipFromTxt(string animation_txt){AnimationClip clip = new AnimationClip();clip.legacy = true;List<LineData> animation_data = ParseTxtFileToData(animation_txt);the first data is root motion//LineData root_motion_data = animation_data[0];//List<AnimationCurve> root_motion_curves = new List<AnimationCurve>();//string root_name = root_motion_data.name;//List<float[]> root_values = root_motion_data.values;//for (int k = 0; k < num_curves_root_motion; k++)//{// AnimationCurve new_curve = new AnimationCurve();// root_motion_curves.Add(new_curve);//}//for (int j = 0; j < root_values.Count; j++) // loop over keys at different times//{// float[] key_values = root_values[j];// for (int k = 0; k < num_curves_root_motion; k++) // loop over property curves// {// float key_time = key_values[0];// float key_value = key_values[k + 1];// root_motion_curves[k].AddKey(key_time, key_value);// //print(root_name);// //print(key_time);// //print(key_value);// }//}//for (int k = 0; k < num_curves_root_motion; k++)//{// clip.SetCurve(root_name, typeof(Transform), root_motion_curve_names[k], root_motion_curves[k]);//}// other animation curvesfor (int i = 0; i < animation_data.Count; i++) // loop through gameObjects (different joints){LineData row = animation_data[i];string obj_name = row.name.Trim();List<float[]> values = row.values;// the same GO has many animation curvesList<AnimationCurve> ani_curves = new List<AnimationCurve>();int num_curves = (i == 0 ? num_curves_root_motion : num_curves_on_single_joint);List<string> property_curve_names = (i == 0 ? root_motion_curve_names : curve_names);for (int k = 0; k < num_curves; k++) // create all animation curves for this GO (ex: rotation in x,y,z){AnimationCurve new_curve = new AnimationCurve();ani_curves.Add(new_curve);}for (int j = 0; j < values.Count; j++) // loop over keys at different times{float[] key_values = values[j];for (int k = 0; k < num_curves; k++) // loop over property curves{//print(key_values.Length);float key_time = key_values[0];float key_value = key_values[k + 1];ani_curves[k].AddKey(key_time, key_value);}}for (int k = 0; k < num_curves; k++) // create all animation curves for this GO (ex: rotation in x,y,z){clip.SetCurve(obj_name, typeof(Transform), property_curve_names[k], ani_curves[k]); // first entry is GO name}}return clip;}A class to represent a node in the scene hierarchy//[System.Serializable]//public class ObjectNode//{// public string name; // The name of the gameObject// public string position;// //public string scale;// //public string rotation;// public List<ObjectNode> children; // The list of child nodes// // A constructor that takes a gameObject and recursively creates child nodes// public ObjectNode(GameObject gameObject)// {// name = gameObject.name;// position = gameObject.transform.localPosition.ToString("F4");// //scale = gameObject.transform.localScale.ToString("F1");// //rotation = gameObject.transform.rotation.ToString("F1");// // recurse on its children// children = new List<ObjectNode>();// foreach (Transform child in gameObject.transform)// {// children.Add(new ObjectNode(child.gameObject));// }// }//}public string RemoveQuotesAndSpacesIgnoringSummary(string input){string pattern = @"Summary.*\n";var matches = Regex.Matches(input, pattern);// Use a string builder to append the matched parts and remove the quotes, spaces, and new lines from the restvar output = new StringBuilder();// Keep track of the last index of the matched partint lastIndex = 0;// Loop through the matchesforeach (Match match in matches){//print (match.Value);// Remove the quotes, spaces, and new lines from the substring before the matchoutput.Append(Regex.Replace(input.Substring(lastIndex, match.Index - lastIndex), @"[""\s]", ""));// Append the matched part, remove the new line at the end.output.Append(match.Value.Remove(match.Value.Length - 1, 1));//output.Append(match.Value);// Update the last indexlastIndex = match.Index + match.Length;}// Remove the quotes, spaces, and new lines from the remaining substringoutput.Append(Regex.Replace(input.Substring(lastIndex), @"[""\s]", ""));// Return the output stringreturn output.ToString();}public string RemoveEmptyChildren(string json){// Use regular expressions to match the patterns and replace them with empty strings or "}"string output = Regex.Replace(json, @",children:\[\]", "");return output;}public string RemoveBracesFromString(string input){// If the input is null or empty, return it as it isif (string.IsNullOrEmpty(input)){return input;}// Use a StringBuilder to store the output without bracesStringBuilder output = new StringBuilder();// Loop through each character in the inputforeach (char c in input){// If the character is not a brace, append it to the outputif (c != '{' && c != '}'){output.Append(c);}}// Return the output as a stringreturn output.ToString();}string GetRelativeGOName(GameObject obj, GameObject root_obj){string name = "";while (obj.transform.parent != null && obj != root_obj) {name = obj.name + "/" + name;obj = obj.transform.parent.gameObject;}// remove the last "/"name = name.Remove(name.Length-1, 1);return name;}void ProcessCSVFiles(){char separator = ',';string[] keepNames = { "Name", "ParentName", "HierarchyIndex" };// The substring to check for rotation columnsstring rotationSubstring = "Rotation";// Read the input file as an array of linesstring[] lines = File.ReadAllLines(inputPath);// Assume the first line is the header and split it by the separatorstring[] header = lines[0].Split(separator);// trim names with white spacesheader = header.Select(p => p.Trim()).ToArray();// Find the indices of the columns to keep by checking the names and the substringint[] keepIndices = header.Select((name, index) => new { name, index }).Where(x => keepNames.Contains(x.name) || x.name.Contains(rotationSubstring)).Select(x => x.index).ToArray();// downsample the frames//int startIdx = GetFirstSubstringIdx(header, rotationSubstring);//int endIdx = GetEndSubstringIdx(header, rotationSubstring);keepIndices = DownsampleFrames(keepIndices);// Create a new array of lines for the output filestring[] outputLines = new string[lines.Length];// For each line, keep only the values at the keep indices and join them by the separatorfor (int i = 0; i < lines.Length; i++){string[] values = lines[i].Split(separator);string[] outputValues = keepIndices.Select(index => values[index]).ToArray();outputLines[i] = string.Join(separator.ToString(), outputValues);}// Write the output lines to the output fileFile.WriteAllLines(outputPath, outputLines);}int[] DownsampleFrames(int[] indices){Calculate the interval to skip rotations//int interval = indices.Length / num_curves_on_single_joint / num_keys;Create a list to store the selected rotations//List<int> selected = new List<int>();Loop through the indices and add every interval-th rotation to the list//for (int i = num_meta_columns; i < indices.Length; i += num_curves_on_single_joint)//{// if ((i-num_meta_columns) % (interval * num_curves_on_single_joint) == 0)// {// for (int j = 0; j < num_curves_on_single_joint; j++)// {// selected.Add(indices[i + j]);// }// }//}//return selected.ToArray();// Copy the first four elements (name, parent name, hier, and first rotation)List<int> idx_list = new List<int>(indices);List<int> output = new List<int>(idx_list.GetRange(0, num_meta_columns+1));// Calculate the interval between rotations to keepint interval = (idx_list.Count - num_meta_columns-1) / (num_curves_on_single_joint * num_keys);// Loop through the remaining rotations and add them to the output if they match the intervalfor (int i = num_meta_columns+1; i < idx_list.Count; i += num_curves_on_single_joint){if ((i - num_meta_columns-1) % (interval * num_curves_on_single_joint) == 0){output.AddRange(idx_list.GetRange(i, num_curves_on_single_joint-1));}}return output.ToArray();}int GetFirstSubstringIdx(string[] str_list, string sub_string){for (int i = 0; i < str_list.Length; i++){string s = str_list[i]; // Check if the current string contains "Rotation" as a substringif (s.Contains(sub_string)){// If yes, assign it to the result variable and break the loopreturn i;}}return -1;}void ConfigurateAnimationCurvesTxt(){ParseTxtFile();for (int i = 0; i < fileData.Count; i++) // loop through gameObjects (different joints){LineData row = fileData[i];string obj_name = row.name;List<float[]> values = row.values;// the same GO has many animation curvesList<AnimationCurve> ani_curves = new List<AnimationCurve>();for (int k = 0; k < num_curves_on_single_joint; k++) // create all animation curves for this GO (ex: rotation in x,y,z){AnimationCurve new_curve = new AnimationCurve();ani_curves.Add(new_curve);}for (int j = 0; j < values.Count; j++) // loop over keys at different times{ float[] key_values = values[j];for (int k = 0; k < num_curves_on_single_joint; k++) // loop over property curves{float key_time = key_values[0];float key_value = key_values[k+1];ani_curves[k].AddKey(key_time, key_value);}}for (int k = 0; k < num_curves_on_single_joint; k++) // create all animation curves for this GO (ex: rotation in x,y,z){//animationClip.SetCurve("", typeof(Transform), row[0], ani_curves[k]); // first entry is GO nameanimationClip.SetCurve(obj_name, typeof(Transform), curve_names[k], ani_curves[k]); // first entry is GO name}}}void ConfigurateAnimationCurves(){ParseCSV(inputPath);// loop through gameObjects (different joints)for (int i = 0; i < data.Count; i++) {List<string> row = data[i];// the same GO has many animation curves//Dictionary<string, AnimationCurve> ani_curves = new Dictionary<string, AnimationCurve>();List<AnimationCurve> ani_curves = new List<AnimationCurve>();for (int k = 0; k < num_curves_on_single_joint; k++) // create all animation curves for this GO (ex: rotation in x,y,z){AnimationCurve new_curve = new AnimationCurve();ani_curves.Add(new_curve);}// loop through different frames for the same GO// skip the first few columns, which are metadataint j = num_meta_columns;while (j < row.Count - num_curves_on_single_joint){// assume the first entry in each block is the timefloat time_stamp = 0f;float.TryParse(row[j], out time_stamp);for (int k = 0; k < num_curves_on_single_joint; k++){float animation_key_value = 0f;float.TryParse(row[j + k], out animation_key_value);ani_curves[k].AddKey(time_stamp, animation_key_value);}j += num_curves_on_single_joint;}for (int k = 0; k < num_curves_on_single_joint; k++) // create all animation curves for this GO (ex: rotation in x,y,z){//animationClip.SetCurve("", typeof(Transform), row[0], ani_curves[k]); // first entry is GO nameanimationClip.SetCurve(row[0], typeof(Transform), curve_names[k], ani_curves[k]); // first entry is GO name}}}void ConfigurateAnimationCurvesExample(){//AnimationCurve translateX = AnimationCurve.Linear(0.0f, 0.0f, 2.0f, 2.0f);AnimationCurve translateX = new AnimationCurve();translateX.AddKey(0f, 0f);translateX.AddKey(2f, 2f);translateX.AddKey(3f, -2f);animationClip.SetCurve("", typeof(Transform), "localPosition.x", translateX);}public string RemoveWhiteSpaces(string json){// Use a regular expression to match and replace any sequence of white space charactersreturn Regex.Replace(json, @"\s+", "");}public class LineData{public string name; // The first elementpublic List<float[]> values; // The rest of the elements as float arrayspublic LineData(string name, List<float[]> values){this.name = name;this.values = values;}}void ParseTxtFile(){fileData = new List<LineData>();using (StreamReader reader = new StreamReader(inputPath)){string line;while ((line = reader.ReadLine()) != null){// Split the line by commasfileData.Add(ParseString(line));}}}// A method to parse a single stringpublic LineData ParseString(string input){// Split the string by the first (, assuming it is the separator between the name and the valuesstring[] split = input.Split(new char[] { '(' }, 2);// If the split length is not 2, the input is invalidif (split.Length != 2){Debug.LogError("Invalid input: " + input);return null;}// Store the name as the first element of the splitstring name = split[0].TrimEnd(',');// Trim the trailing ) from the second element of the splitchar[] charsToTrim = { ')', ' ', '\n' };string valuesString = split[1].Trim().TrimEnd(charsToTrim);//foreach(char c in valuesString.ToCharArray()) { print(c); }// Split the values string by ),(, assuming they are the separators between the value groupsstring[] valueGroups = valuesString.Split(new string[] { "),(" }, StringSplitOptions.None);// Create a list to store the float arraysList<float[]> values = new List<float[]>();// Loop through each value groupforeach (string valueGroup in valueGroups){// Split the value group by ,, assuming they are the separators between the float valuesstring[] valueStrings = valueGroup.Split(',');// Create a float array to store the parsed valuesfloat[] valueArray = new float[valueStrings.Length];// Loop through each value stringfor (int i = 0; i < valueStrings.Length; i++){// Try to parse the value string as a float and store it in the array// If the parsing fails, log an error and return nullif (!float.TryParse(valueStrings[i], out valueArray[i])){Debug.LogError("Invalid value: " + valueStrings[i]);return null;}}//foreach(var v in valueArray) { print(v); }// Add the float array to the listvalues.Add(valueArray);}// Create and return a ParsedData object with the name and the valuesreturn new LineData(name, values);}// A method to parse multiple strings and store them in the listpublic void ParseStrings(string[] inputs){// Clear the listfileData.Clear();// Loop through each input stringforeach (string input in inputs){// Parse the string and add the result to the listLineData parsedData = ParseString(input);if (parsedData != null){fileData.Add(parsedData);}}}public LineData ParseRootMotionData(string input){// Split the string by the first (, assuming it is the separator between the name and the valuesstring[] split = input.Split(new char[] { '[' }, 2);// If the split length is not 2, the input is invalidif (split.Length != 2){Debug.LogError("Invalid input: " + input);return null;}// Store the name as the first element of the splitstring name = split[0].TrimEnd(',');// Trim the trailing ) from the second element of the splitchar[] charsToTrim = { ']', ' ', '\n' };string valuesString = split[1].Trim().TrimEnd(charsToTrim);//foreach(char c in valuesString.ToCharArray()) { print(c); }// Split the values string by ),(, assuming they are the separators between the value groupsstring[] valueGroups = valuesString.Split(new string[] { "],[" }, StringSplitOptions.None);// Create a list to store the float arraysList<float[]> values = new List<float[]>();// Loop through each value groupforeach (string valueGroup in valueGroups){// Split the value group by ,, assuming they are the separators between the float valuesstring[] valueStrings = valueGroup.Split(',');// Create a float array to store the parsed valuesfloat[] valueArray = new float[valueStrings.Length];// Loop through each value stringfor (int i = 0; i < valueStrings.Length; i++){// Try to parse the value string as a float and store it in the array// If the parsing fails, log an error and return nullif (!float.TryParse(valueStrings[i], out valueArray[i])){Debug.LogError("Invalid value: " + valueStrings[i]);return null;}}//foreach(var v in valueArray) { print(v); }// Add the float array to the listvalues.Add(valueArray);}// Create and return a ParsedData object with the name and the valuesreturn new LineData(name, values);}void ParseTxt(){// Initialize the file data listfileData = new List<LineData>();// Read the text file line by lineusing (StreamReader reader = new StreamReader(inputPath)){string line;while ((line = reader.ReadLine()) != null){// Split the line by commasstring[] elements = line.Split(',');// The first element is the namestring name = elements[0];// The rest of the elements are float arraysList<float[]> values = new List<float[]>();for (int i = 1; i < elements.Length; i++){// Remove the parentheses and split by spacesstring[] numbers = elements[i].Trim('(', ')').Split(' ');//print(string.Join(", ", numbers));// Parse the numbers as floats and store them in an arrayfloat[] value = new float[numbers.Length];for (int j = 0; j < numbers.Length; j++){value[j] = float.Parse(numbers[j]);}// Add the array to the values listvalues.Add(value);}// Create a new line data object and add it to the file data listLineData lineData = new LineData(name, values);fileData.Add(lineData);}}Print the file data for testing//foreach (LineData lineData in fileData)//{// Debug.Log("Name: " + lineData.name);// Debug.Log("Values: ");// foreach (float[] value in lineData.values)// {// Debug.Log(string.Join(", ", value));// }//}}// A method to load and parse a CSV file from a given pathpublic void ParseCSV(string path){// Initialize the data listdata = new List<List<string>>();// Try to open the file with a stream readertry{using (StreamReader reader = new StreamReader(path)){// Read each line until the end of the filewhile (!reader.EndOfStream){// Get the current linestring line = reader.ReadLine();// Initialize a list to store the fieldsList<string> fields = new List<string>();// Match the fields with the regular expressionMatchCollection matches = fieldPattern.Matches(line);// Loop through the matchesforeach (Match match in matches){// Get the field valuestring field = match.Value;// Trim the leading and trailing commasfield = field.TrimStart(',').TrimEnd(',');// Trim the leading and trailing quotesfield = field.TrimStart('"').TrimEnd('"');// Replace any escaped quotes with single quotesfield = field.Replace("\"\"", "\"");// Add the field to the listfields.Add(field);}// Add the list of fields to the data listdata.Add(fields);}}}// Catch any exceptions and log themcatch (Exception e){Debug.LogError("Error loading CSV file: " + e.Message);}}
}ERROR：F:\desktop\Animation\Assets\Scripts\AnimationClipFromCSV.cs(10,7): error CS0246: 未能找到类型或命名空间名“Newtonsoft”(是否缺少 using 指令或程序集引用?)
solve: 使用 Unity 的 Package Manager 安装（如果可用） - 打开 Package Manager (Window > Package Manager) - 点击左上角的 "+" 号，选择 "Add package from git URL..." - 输入：`com.unity.nuget.newtonsoft-json`
3.代码仔细阅读
using System;
using System.Collections;
using System.Collections.Generic;
using System.ComponentModel;
using System.IO;
using System.Linq;
using System.Reflection;
using System.Text.RegularExpressions;
using UnityEngine;
using Newtonsoft.Json.Linq;
using System.Text;
using static System.Net.Mime.MediaTypeNames;//[RequireComponent(typeof(Animation))]
public class AnimationClipFromCSV : MonoBehaviour
{AnimationClip animationClip;public List<List<string>> data;public List<LineData> fileData;private Regex fieldPattern = new Regex("(?:^|,)(\"(?:[^\"]+|\"\")*\"|[^,]*)");private Dictionary<string, string> field_mapping = new Dictionary<string, string>();public List<string> curve_names;public List<string> root_motion_curve_names;private int num_curves_on_single_joint;private int num_curves_root_motion;// legacyprivate int num_keys = 10; //number of keys to keep *in addition to* the initial keyprivate int num_meta_columns = 3;private string inputPath = "C:\\Bill\\temp/whale_excited2.txt";private string outputPath;private GameObject joint_hierarchy_root;[TextArea(10, 30)]private string object_JSON;private Animation anim;private string clip_name;//public GameObject obj;//public GameObject root_obj;void Awake(){num_curves_on_single_joint = curve_names.Count;num_curves_root_motion = root_motion_curve_names.Count;//anim = GetComponent<Animation>();define animation curve//animationClip = new AnimationClip();set animation clip to be legacy//animationClip.legacy = true;//ConfigurateAnimationCurvesTxt();post-processing for visual quality//animationClip.EnsureQuaternionContinuity();add clip to the animator//anim.AddClip(animationClip, clip_name);play it on loop//AnimationState state = anim[clip_name];//state.wrapMode = WrapMode.Loop;//anim.Play(clip_name);}List<LineData> ParseTxtFileToData(string animation_txt){List<LineData> data = new List<LineData>();string[] lines = animation_txt.Split('\n');// the first line is root motionstring root_motion_line = lines[0];data.Add(ParseRootMotionData(RemoveWhiteSpaces(root_motion_line)));// other animation curvesfor (int i = 1; i < lines.Length; i++){string line = lines[i];//data.Add(ParseString(line));data.Add(ParseString(RemoveWhiteSpaces(line)));}return data;}public AnimationClip GetClipFromTxt(string animation_txt){AnimationClip clip = new AnimationClip();// 是Unity中表示动画数据的类（包含关键帧、曲线等）clip.legacy = true;List<LineData> animation_data = ParseTxtFileToData(animation_txt);the first data is root motion//LineData root_motion_data = animation_data[0];//List<AnimationCurve> root_motion_curves = new List<AnimationCurve>();//string root_name = root_motion_data.name;//List<float[]> root_values = root_motion_data.values;//for (int k = 0; k < num_curves_root_motion; k++)//{// AnimationCurve new_curve = new AnimationCurve();// root_motion_curves.Add(new_curve);//}//for (int j = 0; j < root_values.Count; j++) // loop over keys at different times//{// float[] key_values = root_values[j];// for (int k = 0; k < num_curves_root_motion; k++) // loop over property curves// {// float key_time = key_values[0];// float key_value = key_values[k + 1];// root_motion_curves[k].AddKey(key_time, key_value);// //print(root_name);// //print(key_time);// //print(key_value);// }//}//for (int k = 0; k < num_curves_root_motion; k++)//{// clip.SetCurve(root_name, typeof(Transform), root_motion_curve_names[k], root_motion_curves[k]);//}/*整体功能动态创建骨骼动画：解析动画数据（如BVH、FBX等格式导出的数据）为每个关节创建动画曲线（位置、旋转等）将曲线绑定到动画片段(AnimationClip)支持根运动(root motion)和普通关节的差异化处理*/// other animation curvesfor (int i = 0; i < animation_data.Count; i++) // loop through gameObjects (different joints){LineData row = animation_data[i];string obj_name = row.name.Trim();//.Trim()：移除名称首尾的空白字符（空格、制表符、换行符等）List<float[]> values = row.values;// the same GO has many animation curvesList<AnimationCurve> ani_curves = new List<AnimationCurve>();//创建了一个动画曲线(AnimationCurve)的集合容器int num_curves = (i == 0 ? num_curves_root_motion : num_curves_on_single_joint);List<string> property_curve_names = (i == 0 ? root_motion_curve_names : curve_names);for (int k = 0; k < num_curves; k++) // create all animation curves for this GO (ex: rotation in x,y,z){AnimationCurve new_curve = new AnimationCurve();//创建指定数量的空动画曲线ani_curves.Add(new_curve);}// 负责将原始动画数据填充到动画曲线for (int j = 0; j < values.Count; j++) // loop over keys at different times{float[] key_values = values[j];for (int k = 0; k < num_curves; k++) // loop over property curves{//print(key_values.Length);float key_time = key_values[0];float key_value = key_values[k + 1];ani_curves[k].AddKey(key_time, key_value);}}//绑定到动画片段for (int k = 0; k < num_curves; k++) // create all animation curves for this GO (ex: rotation in x,y,z){clip.SetCurve(obj_name, typeof(Transform), property_curve_names[k], ani_curves[k]); // first entry is GO name}}return clip;}A class to represent a node in the scene hierarchy//[System.Serializable]//public class ObjectNode//{// public string name; // The name of the gameObject// public string position;// //public string scale;// //public string rotation;// public List<ObjectNode> children; // The list of child nodes// // A constructor that takes a gameObject and recursively creates child nodes// public ObjectNode(GameObject gameObject)// {// name = gameObject.name;// position = gameObject.transform.localPosition.ToString("F4");// //scale = gameObject.transform.localScale.ToString("F1");// //rotation = gameObject.transform.rotation.ToString("F1");// // recurse on its children// children = new List<ObjectNode>();// foreach (Transform child in gameObject.transform)// {// children.Add(new ObjectNode(child.gameObject));// }// }//}//用于处理特殊格式的文本，保留"Summary"段落内容的同时移除其他部分的引号、空格和换行符public string RemoveQuotesAndSpacesIgnoringSummary(string input){// 匹配所有"Summary"开头的段落（包括结尾换行符）string pattern = @"Summary.*\n";var matches = Regex.Matches(input, pattern);// Use a string builder to append the matched parts and remove the quotes, spaces, and new lines from the restvar output = new StringBuilder();// Keep track of the last index of the matched partint lastIndex = 0;// Loop through the matchesforeach (Match match in matches){//处理Summary之前的内容：移除引号、空格和换行符//print (match.Value);// Remove the quotes, spaces, and new lines from the substring before the matchoutput.Append(Regex.Replace(input.Substring(lastIndex, match.Index - lastIndex), @"[""\s]", ""));// 保留Summary内容，但移除结尾换行符// Append the matched part, remove the new line at the end.output.Append(match.Value.Remove(match.Value.Length - 1, 1));//output.Append(match.Value);// Update the last indexlastIndex = match.Index + match.Length;}// 处理最后一个Summary之后的内容// Remove the quotes, spaces, and new lines from the remaining substringoutput.Append(Regex.Replace(input.Substring(lastIndex), @"[""\s]", ""));// Return the output stringreturn output.ToString();}public string RemoveEmptyChildren(string json)//移除 JSON 字符串中空的 children 数组{// Use regular expressions to match the patterns and replace them with empty strings or "}"string output = Regex.Replace(json, @",children:\[\]", "");return output;}public string RemoveBracesFromString(string input) //移除输入字符串中的所有花括号（{ 和 }），返回处理后的字符串{// If the input is null or empty, return it as it isif (string.IsNullOrEmpty(input)){return input;}// Use a StringBuilder to store the output without bracesStringBuilder output = new StringBuilder();// Loop through each character in the inputforeach (char c in input){// If the character is not a brace, append it to the outputif (c != '{' && c != '}'){output.Append(c);}}// Return the output as a stringreturn output.ToString();}string GetRelativeGOName(GameObject obj, GameObject root_obj)//获取一个 GameObject 相对于另一个 root_obj 的层级路径（用 / 分隔）{string name = "";while (obj.transform.parent != null && obj != root_obj){name = obj.name + "/" + name;obj = obj.transform.parent.gameObject;}// remove the last "/"name = name.Remove(name.Length - 1, 1);return name;}void ProcessCSVFiles(){//处理 CSV 文件，提取指定列（如 "Name", "ParentName", "HierarchyIndex" 及包含 "Rotation" 的列），//并对列进行降采样（DownsampleFrames），最后输出新 CSV 文件char separator = ',';string[] keepNames = { "Name", "ParentName", "HierarchyIndex" };// The substring to check for rotation columnsstring rotationSubstring = "Rotation";// Read the input file as an array of linesstring[] lines = File.ReadAllLines(inputPath);// Assume the first line is the header and split it by the separatorstring[] header = lines[0].Split(separator);// trim names with white spacesheader = header.Select(p => p.Trim()).ToArray();// Find the indices of the columns to keep by checking the names and the substringint[] keepIndices = header.Select((name, index) => new { name, index }).Where(x => keepNames.Contains(x.name) || x.name.Contains(rotationSubstring)).Select(x => x.index).ToArray();// downsample the frames//int startIdx = GetFirstSubstringIdx(header, rotationSubstring);//int endIdx = GetEndSubstringIdx(header, rotationSubstring);keepIndices = DownsampleFrames(keepIndices);// Create a new array of lines for the output filestring[] outputLines = new string[lines.Length];// For each line, keep only the values at the keep indices and join them by the separatorfor (int i = 0; i < lines.Length; i++){string[] values = lines[i].Split(separator);string[] outputValues = keepIndices.Select(index => values[index]).ToArray();outputLines[i] = string.Join(separator.ToString(), outputValues);}// Write the output lines to the output fileFile.WriteAllLines(outputPath, outputLines);}int[] DownsampleFrames(int[] indices){Calculate the interval to skip rotations//int interval = indices.Length / num_curves_on_single_joint / num_keys;Create a list to store the selected rotations//List<int> selected = new List<int>();Loop through the indices and add every interval-th rotation to the list//for (int i = num_meta_columns; i < indices.Length; i += num_curves_on_single_joint)//{// if ((i-num_meta_columns) % (interval * num_curves_on_single_joint) == 0)// {// for (int j = 0; j < num_curves_on_single_joint; j++)// {// selected.Add(indices[i + j]);// }// }//}//return selected.ToArray();// Copy the first four elements (name, parent name, hier, and first rotation)List<int> idx_list = new List<int>(indices);List<int> output = new List<int>(idx_list.GetRange(0, num_meta_columns + 1));// Calculate the interval between rotations to keepint interval = (idx_list.Count - num_meta_columns - 1) / (num_curves_on_single_joint * num_keys);// Loop through the remaining rotations and add them to the output if they match the intervalfor (int i = num_meta_columns + 1; i < idx_list.Count; i += num_curves_on_single_joint){if ((i - num_meta_columns - 1) % (interval * num_curves_on_single_joint) == 0){output.AddRange(idx_list.GetRange(i, num_curves_on_single_joint - 1));}}return output.ToArray();}int GetFirstSubstringIdx(string[] str_list, string sub_string){//在字符串数组 str_list 中查找第一个包含指定子字符串 sub_string 的元素，//并返回其索引。如果未找到，返回 -1。for (int i = 0; i < str_list.Length; i++){string s = str_list[i];// Check if the current string contains "Rotation" as a substringif (s.Contains(sub_string)){// If yes, assign it to the result variable and break the loopreturn i;}}return -1;}void ConfigurateAnimationCurvesTxt(){ParseTxtFile();for (int i = 0; i < fileData.Count; i++) // loop through gameObjects (different joints){LineData row = fileData[i];string obj_name = row.name;List<float[]> values = row.values;// the same GO has many animation curvesList<AnimationCurve> ani_curves = new List<AnimationCurve>();for (int k = 0; k < num_curves_on_single_joint; k++) // create all animation curves for this GO (ex: rotation in x,y,z){AnimationCurve new_curve = new AnimationCurve();ani_curves.Add(new_curve);}for (int j = 0; j < values.Count; j++) // loop over keys at different times{float[] key_values = values[j];for (int k = 0; k < num_curves_on_single_joint; k++) // loop over property curves{float key_time = key_values[0];float key_value = key_values[k + 1];ani_curves[k].AddKey(key_time, key_value);}}for (int k = 0; k < num_curves_on_single_joint; k++) // create all animation curves for this GO (ex: rotation in x,y,z){//animationClip.SetCurve("", typeof(Transform), row[0], ani_curves[k]); // first entry is GO nameanimationClip.SetCurve(obj_name, typeof(Transform), curve_names[k], ani_curves[k]); // first entry is GO name}}}void ConfigurateAnimationCurves(){ParseCSV(inputPath);// loop through gameObjects (different joints)for (int i = 0; i < data.Count; i++){List<string> row = data[i];// the same GO has many animation curves//Dictionary<string, AnimationCurve> ani_curves = new Dictionary<string, AnimationCurve>();List<AnimationCurve> ani_curves = new List<AnimationCurve>();for (int k = 0; k < num_curves_on_single_joint; k++) // create all animation curves for this GO (ex: rotation in x,y,z){AnimationCurve new_curve = new AnimationCurve();ani_curves.Add(new_curve);}// loop through different frames for the same GO// skip the first few columns, which are metadataint j = num_meta_columns;while (j < row.Count - num_curves_on_single_joint){// assume the first entry in each block is the timefloat time_stamp = 0f;float.TryParse(row[j], out time_stamp);for (int k = 0; k < num_curves_on_single_joint; k++){float animation_key_value = 0f;float.TryParse(row[j + k], out animation_key_value);ani_curves[k].AddKey(time_stamp, animation_key_value);}j += num_curves_on_single_joint;}for (int k = 0; k < num_curves_on_single_joint; k++) // create all animation curves for this GO (ex: rotation in x,y,z){//animationClip.SetCurve("", typeof(Transform), row[0], ani_curves[k]); // first entry is GO nameanimationClip.SetCurve(row[0], typeof(Transform), curve_names[k], ani_curves[k]); // first entry is GO name}}}void ConfigurateAnimationCurvesExample(){//AnimationCurve translateX = AnimationCurve.Linear(0.0f, 0.0f, 2.0f, 2.0f);AnimationCurve translateX = new AnimationCurve();translateX.AddKey(0f, 0f);translateX.AddKey(2f, 2f);translateX.AddKey(3f, -2f);animationClip.SetCurve("", typeof(Transform), "localPosition.x", translateX);}public string RemoveWhiteSpaces(string json)//该方法用于从字符串中移除所有空白字符：{// Use a regular expression to match and replace any sequence of white space charactersreturn Regex.Replace(json, @"\s+", "");}public class LineData{public string name; // The first elementpublic List<float[]> values; // The rest of the elements as float arrayspublic LineData(string name, List<float[]> values){this.name = name;this.values = values;}}void ParseTxtFile(){fileData = new List<LineData>();using (StreamReader reader = new StreamReader(inputPath)){string line;while ((line = reader.ReadLine()) != null){// Split the line by commasfileData.Add(ParseString(line));}}}// A method to parse a single stringpublic LineData ParseString(string input){// Split the string by the first (, assuming it is the separator between the name and the valuesstring[] split = input.Split(new char[] { '(' }, 2);// If the split length is not 2, the input is invalidif (split.Length != 2){Debug.LogError("Invalid input: " + input);return null;}// Store the name as the first element of the splitstring name = split[0].TrimEnd(',');// Trim the trailing ) from the second element of the splitchar[] charsToTrim = { ')', ' ', '\n' };string valuesString = split[1].Trim().TrimEnd(charsToTrim);//移除首尾所有空白字符//foreach(char c in valuesString.ToCharArray()) { print(c); }// Split the values string by ),(, assuming they are the separators between the value groupsstring[] valueGroups = valuesString.Split(new string[] { "),(" }, StringSplitOptions.None);// Create a list to store the float arraysList<float[]> values = new List<float[]>();// Loop through each value groupforeach (string valueGroup in valueGroups){// Split the value group by ,, assuming they are the separators between the float valuesstring[] valueStrings = valueGroup.Split(',');// Create a float array to store the parsed valuesfloat[] valueArray = new float[valueStrings.Length];// Loop through each value stringfor (int i = 0; i < valueStrings.Length; i++){// Try to parse the value string as a float and store it in the array// If the parsing fails, log an error and return nullif (!float.TryParse(valueStrings[i], out valueArray[i])){Debug.LogError("Invalid value: " + valueStrings[i]);return null;}}//foreach(var v in valueArray) { print(v); }// Add the float array to the listvalues.Add(valueArray);}// Create and return a ParsedData object with the name and the valuesreturn new LineData(name, values);}// A method to parse multiple strings and store them in the listpublic void ParseStrings(string[] inputs){// Clear the listfileData.Clear();// Loop through each input stringforeach (string input in inputs){// Parse the string and add the result to the listLineData parsedData = ParseString(input);if (parsedData != null){fileData.Add(parsedData);}}}public LineData ParseRootMotionData(string input){// Split the string by the first (, assuming it is the separator between the name and the valuesstring[] split = input.Split(new char[] { '[' }, 2);// 将一个字符串（`input`）按照第一个出现的左方括号字符 `[` 进行分割，并且最多分割成两个子字符// If the split length is not 2, the input is invalidif (split.Length != 2){Debug.LogError("Invalid input: " + input);return null;}// Store the name as the first element of the splitstring name = split[0].TrimEnd(',');//移除字符串 末尾的逗号（,）// Trim the trailing ) from the second element of the splitchar[] charsToTrim = { ']', ' ', '\n' }; //创建待删除字符数组，包含三个字符：string valuesString = split[1].Trim().TrimEnd(charsToTrim);//foreach(char c in valuesString.ToCharArray()) { print(c); }// Split the values string by ),(, assuming they are the separators between the value groupsstring[] valueGroups = valuesString.Split(new string[] { "],[" }, StringSplitOptions.None);//StringSplitOptions.None)：确保空字符串能被识别// Create a list to store the float arraysList<float[]> values = new List<float[]>();// Loop through each value groupforeach (string valueGroup in valueGroups){// Split the value group by ,, assuming they are the separators between the float valuesstring[] valueStrings = valueGroup.Split(','); //将一个包含逗号分隔值的字符串拆分成字符串数组// Create a float array to store the parsed valuesfloat[] valueArray = new float[valueStrings.Length];// Loop through each value stringfor (int i = 0; i < valueStrings.Length; i++){// Try to parse the value string as a float and store it in the array// If the parsing fails, log an error and return nullif (!float.TryParse(valueStrings[i], out valueArray[i])){Debug.LogError("Invalid value: " + valueStrings[i]);return null;}}//foreach(var v in valueArray) { print(v); }// Add the float array to the listvalues.Add(valueArray);}// Create and return a ParsedData object with the name and the valuesreturn new LineData(name, values);}void ParseTxt(){// Initialize the file data listfileData = new List<LineData>();// Read the text file line by lineusing (StreamReader reader = new StreamReader(inputPath)){string line;while ((line = reader.ReadLine()) != null){// Split the line by commasstring[] elements = line.Split(',');// The first element is the namestring name = elements[0];// The rest of the elements are float arraysList<float[]> values = new List<float[]>();for (int i = 1; i < elements.Length; i++){// Remove the parentheses and split by spacesstring[] numbers = elements[i].Trim('(', ')').Split(' ');//print(string.Join(", ", numbers));// Parse the numbers as floats and store them in an arrayfloat[] value = new float[numbers.Length];for (int j = 0; j < numbers.Length; j++){value[j] = float.Parse(numbers[j]);}// Add the array to the values listvalues.Add(value);}// Create a new line data object and add it to the file data listLineData lineData = new LineData(name, values);fileData.Add(lineData);}}Print the file data for testing//foreach (LineData lineData in fileData)//{// Debug.Log("Name: " + lineData.name);// Debug.Log("Values: ");// foreach (float[] value in lineData.values)// {// Debug.Log(string.Join(", ", value));// }//}}// A method to load and parse a CSV file from a given pathpublic void ParseCSV(string path){// Initialize the data listdata = new List<List<string>>();// Try to open the file with a stream readertry{using (StreamReader reader = new StreamReader(path)){// Read each line until the end of the filewhile (!reader.EndOfStream){// Get the current linestring line = reader.ReadLine();// Initialize a list to store the fieldsList<string> fields = new List<string>();// Match the fields with the regular expressionMatchCollection matches = fieldPattern.Matches(line);// Loop through the matchesforeach (Match match in matches){// Get the field valuestring field = match.Value;// Trim the leading and trailing commasfield = field.TrimStart(',').TrimEnd(',');// Trim the leading and trailing quotesfield = field.TrimStart('"').TrimEnd('"');// Replace any escaped quotes with single quotesfield = field.Replace("\"\"", "\"");// Add the field to the listfields.Add(field);}// Add the list of fields to the data listdata.Add(fields);}}}// Catch any exceptions and log themcatch (Exception e){Debug.LogError("Error loading CSV file: " + e.Message);}}
}
