ActiveScriptCompilationDefinesWriter.cs

using System.IO;
using UnityEditor;
using UnityEditor.Build;
using UnityEditor.Build.Reporting;

namespace Kogane.Internal
{
    internal sealed class ActiveScriptCompilationDefinesWriter :
        IPreprocessBuildWithReport,
        IPostprocessBuildWithReport
    {
        //==============================================================================
        // 定数
        //==============================================================================
        private static readonly string FILE_PATH = "Assets/Resources/active_script_compilation_defines.txt";
        private static readonly string DIRECTORY = Path.GetDirectoryName( FILE_PATH );

        //==============================================================================
        // 変数
        //==============================================================================
        private bool m_isReleaseBuild;

        //==============================================================================
        // プロパティ
        //==============================================================================
        public int callbackOrder => 0;

        //==============================================================================
        // 関数
        //==============================================================================
        /// <summary>
        /// ビルドが開始する前に呼び出されます
        /// </summary>
        public void OnPreprocessBuild( BuildReport report )
        {
            var summary = report.summary;

            m_isReleaseBuild = !summary.options.HasFlag( BuildOptions.Development );

            if ( m_isReleaseBuild ) return;

            if ( !Directory.Exists( DIRECTORY ) )
            {
                Directory.CreateDirectory( DIRECTORY );
            }

            var contents = string.Join
            (
                "\n",
                EditorUserBuildSettings.activeScriptCompilationDefines
            );

            File.WriteAllText( FILE_PATH, contents );

            AssetDatabase.ImportAsset( FILE_PATH );
        }

        /// <summary>
        /// ビルドが成功した後に呼び出されます
        /// </summary>
        public void OnPostprocessBuild( BuildReport report )
        {
            if ( m_isReleaseBuild ) return;

            AssetDatabase.DeleteAsset( FILE_PATH );
        }
    }
}