Add isRelativeToParent option

NewHorizons/Builder/ShipLog/RevealBuilder.cs

@@ -60,7 +60,9 @@ namespace NewHorizons.Builder.ShipLog
                 }
             }
 
-            revealTriggerVolume.transform.position = planetGO.transform.TransformPoint(info.position ?? Vector3.zero);
+            var pos = (Vector3)(info.position ?? Vector3.zero);
+            if (info.isRelativeToParent) revealTriggerVolume.transform.localPosition = pos;
+            else revealTriggerVolume.transform.position = planetGO.transform.TransformPoint(pos);
 
             return revealTriggerVolume;
         }

NewHorizons/Builder/Volumes/AudioVolumeBuilder.cs

@@ -39,7 +39,9 @@ namespace NewHorizons.Builder.Volumes
                 }
             }
 
-            go.transform.position = planetGO.transform.TransformPoint(info.position != null ? (Vector3)info.position : Vector3.zero);
+            var pos = (Vector3)(info.position ?? Vector3.zero);
+            if (info.isRelativeToParent) go.transform.localPosition = pos;
+            else go.transform.position = planetGO.transform.TransformPoint(pos);
             go.layer = LayerMask.NameToLayer("AdvancedEffectVolume");
 
             var audioSource = go.AddComponent<AudioSource>();

NewHorizons/Builder/Volumes/HazardVolumeBuilder.cs

@@ -36,7 +36,9 @@ namespace NewHorizons.Builder.Volumes
                 }
             }
 
-            go.transform.position = planetGO.transform.TransformPoint(info.position != null ? (Vector3)info.position : Vector3.zero);
+            var pos = (Vector3)(info.position ?? Vector3.zero);
+            if (info.isRelativeToParent) go.transform.localPosition = pos;
+            else go.transform.position = planetGO.transform.TransformPoint(pos);
             go.layer = LayerMask.NameToLayer("BasicEffectVolume");
 
             var shape = go.AddComponent<SphereShape>();

NewHorizons/Builder/Volumes/NotificationVolumeBuilder.cs

@@ -39,7 +39,9 @@ namespace NewHorizons.Builder.Volumes
                 }
             }
 
-            go.transform.position = planetGO.transform.TransformPoint(info.position != null ? (Vector3)info.position : Vector3.zero);
+            var pos = (Vector3)(info.position ?? Vector3.zero);
+            if (info.isRelativeToParent) go.transform.localPosition = pos;
+            else go.transform.position = planetGO.transform.TransformPoint(pos);
             go.layer = LayerMask.NameToLayer("BasicEffectVolume");
 
             var shape = go.AddComponent<SphereShape>();

NewHorizons/Builder/Volumes/VanishVolumeBuilder.cs

@@ -32,7 +32,9 @@ namespace NewHorizons.Builder.Volumes
                 }
             }
 
-            go.transform.position = planetGO.transform.TransformPoint(info.position != null ? (Vector3)info.position : Vector3.zero);
+            var pos = (Vector3)(info.position ?? Vector3.zero);
+            if (info.isRelativeToParent) go.transform.localPosition = pos;
+            else go.transform.position = planetGO.transform.TransformPoint(pos);
             go.layer = LayerMask.NameToLayer("BasicEffectVolume");
 
             var collider = go.AddComponent<SphereCollider>();

NewHorizons/Builder/Volumes/VolumeBuilder.cs

@@ -32,7 +32,9 @@ namespace NewHorizons.Builder.Volumes
                 }
             }
 
-            go.transform.position = planetGO.transform.TransformPoint(info.position != null ? (Vector3)info.position : Vector3.zero);
+            var pos = (Vector3)(info.position ?? Vector3.zero);
+            if (info.isRelativeToParent) go.transform.localPosition = pos;
+            else go.transform.position = planetGO.transform.TransformPoint(pos);
             go.layer = LayerMask.NameToLayer("BasicEffectVolume");
 
             var shape = go.AddComponent<SphereShape>();

NewHorizons/External/Modules/VolumesModule.cs

@@ -105,6 +105,11 @@ namespace NewHorizons.External.Modules
             /// </summary>
             public string parentPath;
 
+            /// <summary>
+            /// Whether the positional coordinates are relative to parent instead of the root planet object.
+            /// </summary>
+            public bool isRelativeToParent;
+
             /// <summary>
             /// An optional rename of this volume.
             /// </summary>