Hallucination system

Assets/Unheimlich_POC/Scripts/Features/Player/Runtime/ListeningVignetteEffect.cs

@@ -2,6 +2,7 @@ using UnityEngine;
 using UnityEngine.Rendering;
 using UnityEngine.Rendering.Universal;
 using Unheimlich.Core;
+using Unheimlich.Features.Hallucination;
 
 namespace Unheimlich.Features.Player
 {
@@ -75,6 +76,11 @@ namespace Unheimlich.Features.Player
         public void EnableVignette(bool enable)
         {
             _isEnabled = enable;
+
+            // Suppress the hallucination vignette while diapason is active to avoid additive blending.
+            // Restores hallucination vignette control when diapason listening ends.
+            if (HallucinationManager.Instance != null)
+                HallucinationManager.Instance.SetVignetteOverriddenExternally(enable);
         }
 
         public void SetIntensity(float intensity)