From 32a428502d50f6a91d06de847463a2e0218e0e9c Mon Sep 17 00:00:00 2001
From: MrUnknownDE <me@johanneskr.de>
Date: Fri, 10 Apr 2026 22:05:33 +0200
Subject: [PATCH] add audio source fade

---
 ProTV/ProTVRoomZone.cs | 120 ++++++++++++++++++++++++++++++++++++++++-
 1 file changed, 118 insertions(+), 2 deletions(-)

diff --git a/ProTV/ProTVRoomZone.cs b/ProTV/ProTVRoomZone.cs
index f426e6e..32a206e 100644
--- a/ProTV/ProTVRoomZone.cs
+++ b/ProTV/ProTVRoomZone.cs
@@ -19,12 +19,35 @@ public class ProTVRoomZone : UdonSharpBehaviour
 {
     [Header("Der Videoplayer für diesen Raum")]
     public GameObject localVideoPlayer;
-    
+    [Space(10)]
+    [Header("Fade Settings")]
+    [Tooltip("Wie lange soll das Ein-/Ausblenden in Sekunden dauern?")]
+    public float fadeDuration = 1.5f;
+
+    [Tooltip("Ziehe hier die AudioSources des ProTVs rein - damit die Lautstärke smooth gefadet wird.")]
+    public AudioSource[] audioSources;
+
     private BoxCollider roomCollider;
+    private float fadeProgress = 0f;
+    private int fadeState = 0; 
+    
+    // Hier speichern wir die echte Lautstärke, bevor sie verfälscht wird
+    private float[] savedVolumes; 
 
     void Start()
     {
         roomCollider = GetComponent<BoxCollider>();
+
+        // Arrays initialisieren und Basis-Lautstärke beim Start sichern
+        if (audioSources != null && audioSources.Length > 0)
+        {
+            savedVolumes = new float[audioSources.Length];
+            for (int i = 0; i < audioSources.Length; i++)
+            {
+                if (audioSources[i] != null) savedVolumes[i] = audioSources[i].volume;
+            }
+        }
+
         SendCustomEventDelayedSeconds(nameof(CheckSpawnPosition), 2.0f);
     }
 
@@ -32,25 +55,118 @@ public class ProTVRoomZone : UdonSharpBehaviour
     {
         VRCPlayerApi player = Networking.LocalPlayer;
         if (!Utilities.IsValid(player)) return;
+
         if (roomCollider != null && roomCollider.bounds.Contains(player.GetPosition()))
         {
             if (localVideoPlayer != null) localVideoPlayer.SetActive(true);
+            fadeProgress = 1f;
         }
         else
         {
+            // Update Saved Volumes bevor wir beim Spawn abschalten
+            UpdateSavedVolumes();
+            
             if (localVideoPlayer != null) localVideoPlayer.SetActive(false);
+            fadeProgress = 0f;
         }
     }
 
     public override void OnPlayerTriggerEnter(VRCPlayerApi player)
     {
         if (!Utilities.IsValid(player) || !player.isLocal) return;
+
         if (localVideoPlayer != null) localVideoPlayer.SetActive(true);
+        
+        // Starte Fade In von 0
+        fadeProgress = 0f;
+        fadeState = 1; 
     }
 
     public override void OnPlayerTriggerExit(VRCPlayerApi player)
     {
         if (!Utilities.IsValid(player) || !player.isLocal) return;
-        if (localVideoPlayer != null) localVideoPlayer.SetActive(false);
+
+        // GANZ WICHTIG: Echte Lautstärke sichern, BEVOR wir faden
+        UpdateSavedVolumes();
+
+        fadeProgress = 1f;
+        fadeState = -1; // Starte Fade Out
+    }
+
+    void Update()
+    {
+        if (fadeState == 0) return;
+
+        if (fadeState == 1) // FADE IN
+        {
+            fadeProgress += Time.deltaTime / fadeDuration;
+            if (fadeProgress >= 1f)
+            {
+                fadeProgress = 1f;
+                fadeState = 0; 
+            }
+            ApplyFadedVolume();
+        }
+        else if (fadeState == -1) // FADE OUT
+        {
+            fadeProgress -= Time.deltaTime / fadeDuration;
+            
+            if (fadeProgress <= 0f)
+            {
+                fadeProgress = 0f;
+                fadeState = 0; 
+                
+                // DER PRO-TV FIX:
+                // Wir zwingen die Original-Lautstärke in exakt diesem Frame zurück,
+                // direkt bevor wir das Objekt deaktivieren. ProTV speichert so den echten Wert!
+                RestoreOriginalVolume();
+
+                if (localVideoPlayer != null) localVideoPlayer.SetActive(false);
+            }
+            else
+            {
+                ApplyFadedVolume();
+            }
+        }
+    }
+
+    // --- Hilfsfunktionen für saubereren Code ---
+
+    private void UpdateSavedVolumes()
+    {
+        if (audioSources == null) return;
+        for (int i = 0; i < audioSources.Length; i++)
+        {
+            // Wir aktualisieren die gespeicherte Lautstärke nur, 
+            // wenn sie gerade nicht auf 0 runtergefadet ist.
+            if (audioSources[i] != null && audioSources[i].volume > 0.05f) 
+            {
+                savedVolumes[i] = audioSources[i].volume;
+            }
+        }
+    }
+
+    private void ApplyFadedVolume()
+    {
+        if (audioSources == null || savedVolumes == null) return;
+        for (int i = 0; i < audioSources.Length; i++)
+        {
+            if (audioSources[i] != null)
+            {
+                audioSources[i].volume = savedVolumes[i] * fadeProgress;
+            }
+        }
+    }
+
+    private void RestoreOriginalVolume()
+    {
+        if (audioSources == null || savedVolumes == null) return;
+        for (int i = 0; i < audioSources.Length; i++)
+        {
+            if (audioSources[i] != null)
+            {
+                audioSources[i].volume = savedVolumes[i];
+            }
+        }
     }
 }
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