更改一些东西，以及为什么unity里面可以读mp3导出来读不了（似）

Signed-off-by: TRAfoer <lhf190@outlook.com>

Assets/Scripts/EditorGame/Base/ProjectFiles/SongInformation.cs

@@ -1,5 +1,8 @@
+using System;
 using System.Collections;
 using System.Collections.Generic;
+using System.IO;
+using Ichni.Editor;
 using Ichni.RhythmGame.Beatmap;
 using UnityEngine;
 
@@ -24,19 +27,23 @@ namespace Ichni.RhythmGame
             this.songName = songName;
             this.bpm = bpm;
             this.delay = delay;
-            songLocation = EditorManager.instance.projectInformation.projectPath + "/" + songName;
-            Debug.Log("Loading song from " + songLocation + " " + ES3.FileExists(songLocation));
-            
-            string extension = System.IO.Path.GetExtension(songLocation).ToLower();
-
+            songLocation = Path.Combine(EditorManager.instance.projectInformation.projectPath, songName);
+            if (!ES3.FileExists(songLocation))
+            {
+                throw new Exception("Audio file not found: " + songLocation);
+            }
+            string extension = Path.GetExtension(songLocation).ToLower();
             song = extension switch
             {
                 ".mp3" => ES3.LoadAudio(songLocation, AudioType.MPEG),
                 ".ogg" => ES3.LoadAudio(songLocation, AudioType.OGGVORBIS),
                 ".wav" => ES3.LoadAudio(songLocation, AudioType.WAV),
-                _ => throw new System.Exception("Unsupported audio format: " + extension)
+                _ => throw new Exception("Unsupported audio format: " + extension)
             };
-            
+            if (song == null)
+            {
+                throw new Exception("Failed to load audio: " + songLocation);
+            }
             songLength = song.length;
         }
 

ProjectSettings/EditorBuildSettings.asset

@@ -5,10 +5,10 @@ EditorBuildSettings:
   m_ObjectHideFlags: 0
   serializedVersion: 2
   m_Scenes:
-  - enabled: 1
-    path: Assets/Scenes/EditorScene.unity
-    guid: 99c9720ab356a0642a771bea13969a05
   - enabled: 1
     path: Assets/Scenes/StartMenu.unity
     guid: 28c134965d47644a98d3ba8a1343674a
+  - enabled: 1
+    path: Assets/Scenes/EditorScene.unity
+    guid: 99c9720ab356a0642a771bea13969a05
   m_configObjects: {}