.blend のインポート時のFBXエクスポート処理を上書き太郎

BenderImportMod.cs

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

public class BenderImportMod
{
	static readonly string fileName = "Unity-BlenderToFBX.py";
	static readonly string tempDir = "Temp";

	static string OriginalDir => Path.Combine(EditorApplication.applicationContentsPath, "Tools");
	static string OrignalPath => Path.Combine(OriginalDir, fileName);
	static string TempFilePath => Path.Combine(tempDir, fileName);

	[InitializeOnLoadMethod]
	public static void OverrideWhenInitialize()
	{
		if (File.Exists(TempFilePath)) return;
		OverrideScript();
	}

	[MenuItem("Tools/Overrite Blender Importer")]
	public static void OverrideScript()
	{
		//if (File.Exists(TempFilePath)) return;

		var allText = File.ReadAllText(OrignalPath);
		File.WriteAllText(TempFilePath, allText);

		var modText = allText
			.Replace(" bake_anim_use_nla_strips=False", " bake_anim_use_nla_strips=True")
			.Replace(" bake_anim_use_all_actions=False", " bake_anim_use_all_actions=True")
			.Replace(" use_active_collection=False", " use_active_collection=True");

		if (modText == allText) return;

		var modfilePath = Path.Combine(tempDir, $"mod_{fileName}");
		File.WriteAllText(modfilePath, modText);

		CopyAsAdmin(Path.GetFullPath(modfilePath), OrignalPath);
	}

	static void CopyAsAdmin(string src, string dst, bool debug = false)
	{
#if UNITY_EDITOR_OSX
		File.Copy(src, dst, true);
#else
		var info = new ProcessStartInfo()
		{
			FileName = "PowerShell.exe",
			UseShellExecute = !debug,
			Arguments = @$"cp \""{src}\"" \""{dst}\""",
			Verb = "runas",
			WindowStyle = ProcessWindowStyle.Normal,
			CreateNoWindow = false,
		};
		if (debug)
		{
			info.RedirectStandardError = true;
			info.RedirectStandardOutput = true;
			info.StandardOutputEncoding = System.Text.Encoding.GetEncoding("Shift_JIS");
			info.StandardErrorEncoding = System.Text.Encoding.GetEncoding("Shift_JIS");
		}
		var proc = Process.Start(info);
		proc.WaitForExit();
		if (debug)
		{
			UnityEngine.Debug.Log(proc.StandardOutput.ReadToEnd());
			UnityEngine.Debug.Log(proc.StandardError.ReadToEnd());
		}
#endif
	}

// if you need restore the Python file for other projects
#if false
	[InitializeOnLoadMethod]
	static void ResisterRestore()
	{
		EditorApplication.quitting += () => {
			CopyAsAdmin(TempFilePath, OrignalPath);
		};
	}
#endif
}