Add sphere collider to custom items

NewHorizons/Builder/Props/DetailBuilder.cs

@@ -171,6 +171,11 @@ namespace NewHorizons.Builder.Props
             if (detail.item != null)
             {
                 ItemBuilder.MakeItem(prop, go, sector, detail.item, mod);
+                isItem = true;
+                if (detail.hasPhysics)
+                {
+                    NHLogger.LogWarning($"An item with the path {detail.path} has both '{nameof(DetailInfo.hasPhysics)}' and '{nameof(DetailInfo.item)}' set. This will usually result in undesirable behavior.");
+                }
             }
 
             if (detail.itemSocket != null)

NewHorizons/Builder/Props/ItemBuilder.cs

@@ -79,6 +79,12 @@ namespace NewHorizons.Builder.Props
             item.ClearPickupConditionOnDrop = info.clearPickupConditionOnDrop;
             item.PickupFact = info.pickupFact;
 
+            if (info.colliderRadius > 0f)
+            {
+                go.AddComponent<SphereCollider>().radius = info.colliderRadius;
+                go.GetAddComponent<OWCollider>();
+            }
+
             Delay.FireOnNextUpdate(() =>
             {
                 if (item != null && !string.IsNullOrEmpty(info.pathToInitialSocket))

NewHorizons/External/Modules/Props/Item/ItemInfo.cs

@@ -19,7 +19,7 @@ namespace NewHorizons.External.Modules.Props.Item
         /// </summary>
         public string name;
         /// <summary>
-        /// The type of the item, which determines its orientation when held and what sockets it fits into. This can be a custom string, or a vanilla ItemType (Scroll, WarpCode, SharedStone, ConversationStone, Lantern, SlideReel, DreamLantern, or VisionTorch). Defaults to the item name.
+        /// The type of the item, which determines its orientation when held and what sockets it fits into. This can be a custom string, or a vanilla ItemType (Scroll, WarpCore, SharedStone, ConversationStone, Lantern, SlideReel, DreamLantern, or VisionTorch). Defaults to the item name.
         /// </summary>
         public string itemType;
         /// <summary>
@@ -27,6 +27,11 @@ namespace NewHorizons.External.Modules.Props.Item
         /// </summary>
         [DefaultValue(2f)] public float interactRange = 2f;
         /// <summary>
+        /// The radius that the added sphere collider will use for collision and hover detection.
+        /// If there's already a collider on the detail, you can make this 0.
+        /// </summary>
+        [DefaultValue(0.5f)] public float colliderRadius = 0.5f;
+        /// <summary>
         /// Whether the item can be dropped. Defaults to true.
         /// </summary>
         [DefaultValue(true)] public bool droppable = true;