Split Model Animation with CSV

ModelAnimationSpliter.cs

using UnityEngine;
using UnityEditor;
using System.Collections.Generic;

/// <summary>
/// Model animation spliter.
/// by Koki Ibukuro @asus4
/// </summary>
public class ModelAnimationSpliter : EditorWindow {
	TextAsset csvAsset;
	GameObject modelAsset;
	
	void OnGUI ()
	{
		GUILayout.Label ("CSV to Split Animtion", EditorStyles.boldLabel);
		GUILayout.Space (10f);
		csvAsset = EditorGUILayout.ObjectField ("CSV Text", csvAsset, typeof(TextAsset), false) as TextAsset;
		if (csvAsset == null) {
			GUILayout.Label ("Set CSV Data. Extension need .txt");
		}
		GUILayout.Space (10f);
		modelAsset = EditorGUILayout.ObjectField ("3D Model", modelAsset, typeof(GameObject), false) as GameObject;
		if (modelAsset == null) {
			GUILayout.Label ("Set FBX or other 3D model object.");
		}
		GUILayout.Space (20f);
		if (GUILayout.Button ("Split with CSV", GUILayout.Width (140f))) {
			SplitWithCsv ();
		}
	}
	
	void SplitWithCsv ()
	{	
		if (Assert (csvAsset != null, "Need to set CSV Text") || Assert (modelAsset != null, "Need to set 3D Model")) {
			return;
		}
		
		string csv = csvAsset.text;
		ModelImporterClipAnimation[] clipAnimations = ParceCSV (csv);
		
		if (Assert (clipAnimations != null, "can't parse CSV to Animation")) {
			Debug.Log (csv);
			return;
		}
		
		string path = AssetDatabase.GetAssetPath (modelAsset);
		ModelImporter importer = AssetImporter.GetAtPath (path) as ModelImporter;
		
		if (Assert (importer != null, "set 3D model, like FBX,etc..")) {
			return;
		}
		
		//importer.splitAnimations = true; // obsolute in Unity4
		importer.clipAnimations = clipAnimations;
		AssetDatabase.ImportAsset (path);
		
		DisplayDialog ("Success", "finish split!");
	}
	
	bool Assert (bool b, string error)
	{
		if (!b) {
			DisplayDialog ("Warning", error);
			return true;
		} else {
			return false;
		}
	}
	
	void DisplayDialog (string title, string message)
	{
		Debug.LogWarning (message);
		EditorUtility.DisplayDialog (title, message, "OK");
	}
	
	ModelImporterClipAnimation[] ParceCSV (string csv)
	{
		// split to lines
		string[] lines = csv.Split ('\n');
		char[] trims = {'\r', ' '};
		
		List<ModelImporterClipAnimation> clips = new List<ModelImporterClipAnimation> ();
		
		for (int i=0; i<lines.Length; i++) {
			string s = lines [i].Trim (trims);
			ModelImporterClipAnimation clip = ParseClip (s);
			if (clip != null) {
				Debug.Log (clip);
				clips.Add (clip);
			}
		}
		
		if (clips.Count == 0) {
			return null;
		}
		
		return clips.ToArray();
	}
	
	ModelImporterClipAnimation ParseClip (string line)
	{
		string[] arr = line.Split (',');	
		if (arr.Length < 4) {
			return null;
		}
		
		ModelImporterClipAnimation clip = new ModelImporterClipAnimation ();
		
		// name
		string name = arr [0];
		if (!string.IsNullOrEmpty (name)) {
			clip.name = name;
		} else {
			return null;
		}
		
		// first
		try {
			//clip.firstFrame = int.Parse (arr [1]); // change to float in unity4
			clip.firstFrame = float.Parse (arr [1]);
		} catch {
			return null;
		}
		
		// last 
		try {
			//clip.lastFrame = int.Parse (arr [2]); // change to float in unity4
			clip.lastFrame = float.Parse (arr [2]);
		} catch {
			return null;
		}
		
		// wrapmode
		try {
			clip.wrapMode = (WrapMode) System.Enum.Parse(typeof(WrapMode), arr [3]);
		} catch {
			return null;
		}
		
		if (clip.wrapMode == WrapMode.Loop || clip.wrapMode == WrapMode.PingPong) {
			clip.loop = true;
		}
		
		return clip;
	}	
	
	#region Static
	/// <summary>
	/// Open the tool window
	/// </summary>
	[MenuItem("Tools/Model/Animation Spliter")]
	static public void OpenWindow ()
	{
		EditorWindow.GetWindow<ModelAnimationSpliter> (true, "Model Animation Spliter", true);
	}
	#endregion
	
	
}

sample csv

rename CSV file to *.txt

wait1,1,36,Loop
wait2,50,58,Loop
wait2loop,58,59,Loop
buttlePose1,150,190,Once
buttlePose2,200,215,PingPong
buttlePose3,215,250,ClampForever
talkStart,300,312,Default
hear,400,412,Default
thankyou,500,512,Default
bow,600,612,Default
swiinghand,700,712,Default
swiinghandLoop,712,726,Loop

• Open Window from [Menu/Tools/Model/Animation Spliter]
• Set CSV text and 3D Model

2013/01/07
fix for Unity4

fix for unity4