From 8773e3bc2e4ce865d38b1bbf3116dfe1255c30d9 Mon Sep 17 00:00:00 2001
From: OtherworldBob <otherworldbob@users.noreply.github.com>
Date: Sun, 3 Dec 2017 15:57:28 +0000
Subject: [PATCH] Fix crash when pasting null/0 entities; also add support for
 the SpinSign.

---
 ManiacEditor/EditorEntities.cs                | 2 ++
 ManiacEditor/Resources/objects_attributes.ini | 3 +++
 2 files changed, 5 insertions(+)

diff --git a/ManiacEditor/EditorEntities.cs b/ManiacEditor/EditorEntities.cs
index 8c249ffb..67bb3353 100644
--- a/ManiacEditor/EditorEntities.cs
+++ b/ManiacEditor/EditorEntities.cs
@@ -130,6 +130,8 @@ private void DeleteEntities(List<EditorEntity> entities)
 
         private void DuplicateEntities(List<EditorEntity> entities)
         {
+            if (null == entities || !entities.Any()) return;
+            
             var new_entities = entities.Select(x => new EditorEntity(new RSDKv5.SceneEntity(x.Entity, getFreeSlot(x.Entity)))).ToList();
             if (new_entities.Count > 0)
                 LastAction = new Actions.ActionAddDeleteEntities(new_entities.ToList(), true, x => AddEntities(x), x => DeleteEntities(x));
diff --git a/ManiacEditor/Resources/objects_attributes.ini b/ManiacEditor/Resources/objects_attributes.ini
index caedac7e..7a8b6b0f 100644
--- a/ManiacEditor/Resources/objects_attributes.ini
+++ b/ManiacEditor/Resources/objects_attributes.ini
@@ -1543,6 +1543,9 @@ forwardOnly=BOOL
 playSound=BOOL
 allowTubeInput=BOOL
 
+[SpinSign]
+type=UINT8
+
 [Spiny]
 type=UINT8
 direction=UINT8