From cbe0f733eee324596c34593cf3eec059988a3b3d Mon Sep 17 00:00:00 2001
From: Aeiou <3160746+AeiouEnigma@users.noreply.github.com>
Date: Sun, 12 Jun 2022 13:31:46 -0400
Subject: [PATCH] Fix Starlight crash when moving empty contraptions with
 downward-facing mechanical pistons. Closes
 https://github.com/Fabricators-of-Create/Create/issues/360

---
 .../components/structureMovement/ContraptionWorld.java      | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/src/main/java/com/simibubi/create/content/contraptions/components/structureMovement/ContraptionWorld.java b/src/main/java/com/simibubi/create/content/contraptions/components/structureMovement/ContraptionWorld.java
index 0699bfc0a..c5e429949 100644
--- a/src/main/java/com/simibubi/create/content/contraptions/components/structureMovement/ContraptionWorld.java
+++ b/src/main/java/com/simibubi/create/content/contraptions/components/structureMovement/ContraptionWorld.java
@@ -23,8 +23,10 @@ public class ContraptionWorld extends WrappedWorld {
 
         this.contraption = contraption;
 
-		minY = nextMultipleOf16(contraption.bounds.minY);
-		height = nextMultipleOf16(contraption.bounds.maxY) - minY;
+		// Include 1 block above/below contraption height range to avoid certain edge-case Starlight crashes with
+		// downward-facing mechanical pistons.
+		minY = nextMultipleOf16(contraption.bounds.minY - 1);
+		height = nextMultipleOf16(contraption.bounds.maxY + 1) - minY;
 	}
 
 	// https://math.stackexchange.com/questions/291468