- Add a line of sight check

- Add Package dir to gitignore
- Limit distance

.gitignore

@@ -32,6 +32,7 @@ bld/
 [Oo]ut/
 [Ll]og/
 [Ll]ogs/
+[Pp]ackage/
 
 # Visual Studio 2015/2017 cache/options directory
 .vs/

Helpers/Settings.cs

@@ -23,8 +23,8 @@ namespace DrakiaXYZ.LootRadius.Helpers
                 "Loot Radius",
                 2f,
                 new ConfigDescription(
-                    "The distance to include loot from. Note that increasing this may result in pulling loot through walls/floors",
-                    null,
+                    "The distance to include loot from",
+                    new AcceptableValueRange<float>(0f, 10f),
                     new ConfigurationManagerAttributes { })));
 
             RecalcOrder();

Patches/LootPanelOpenPatch.cs

@@ -75,13 +75,14 @@ namespace DrakiaXYZ.LootRadius.Patches
             // Collect the items around the player, and add them to the fake stash
             var grid = _stash.Grids[0];
             Vector3 playerPosition = Singleton<GameWorld>.Instance.MainPlayer.Position;
+            playerPosition += (Vector3.up * 0.5f);
             Collider[] colliders = Physics.OverlapSphere(playerPosition, Settings.LootRadius.Value, _interactiveLayerMask);
             if (colliders.Length > 0)
             {
                 foreach (Collider collider in colliders)
                 {
                     var item = collider.gameObject.GetComponentInParent<LootItem>();
-                    if (item != null && item.Item.Parent.Container != grid)
+                    if (item != null && item.Item.Parent.Container != grid && (IsCloseEnough(item.transform.position) || IsLineOfSight(item.transform.position)))
                     {
                         item.Item.OriginalAddress = item.Item.CurrentAddress;
                         _removeMethod.Invoke(item.Item.CurrentAddress, new object[] { item.Item, string.Empty, false });
@@ -97,5 +98,36 @@ namespace DrakiaXYZ.LootRadius.Patches
 
             _rightPaneField.SetValue(ItemUiContext.Instance, new LootItemClass[] { _stash });
         }
+
+        /**
+         * Return true if the item is close enough to the player's feet to bypass the line of sight check
+         */
+        private static bool IsCloseEnough(Vector3 endPos)
+        {
+            float sqDist = (Singleton<GameWorld>.Instance.MainPlayer.Position - endPos).sqrMagnitude;
+            if (sqDist < 0.5f)
+            {
+                return true;
+            }
+
+            return false;
+        }
+    
+        /**
+         * Return true if the end position is within line of sight of the player
+         */
+        private static bool IsLineOfSight(Vector3 endPos)
+        {
+            // Start at the player's head
+            Vector3 startPos = Singleton<GameWorld>.Instance.MainPlayer.MainParts[BodyPartType.head].Position;
+
+            // LineCast returns true if it hits a HighPolyCollider, indicating the item isn't within line of sight of the player's head
+            if (Physics.Linecast(startPos, endPos, LayerMaskClass.HighPolyWithTerrainMask))
+            {
+                return false;
+            }
+
+            return true;
+        }
     }
 }