From a12708b3369eb4353fb2fed096c303c2cd828d09 Mon Sep 17 00:00:00 2001
From: Aeiou <3160746+AeiouEnigma@users.noreply.github.com>
Date: Thu, 30 Dec 2021 13:51:48 -0500
Subject: [PATCH 1/2] big brain fix c:

---
 .../components/structureMovement/ContraptionWorld.java          | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

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 8e48ab7cd..6f8991549 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
@@ -55,6 +55,6 @@ public class ContraptionWorld extends WrappedWorld {
 
 	@Override
 	public int getMinBuildHeight() {
-		return - (int) contraption.bounds.getYsize() + 1;
+		return - (int) contraption.bounds.getYsize();
 	}
 }

From 345b83ee905d8c1b6513fff565ef1f89f1c3e00e Mon Sep 17 00:00:00 2001
From: Aeiou <3160746+AeiouEnigma@users.noreply.github.com>
Date: Thu, 30 Dec 2021 15:32:55 -0500
Subject: [PATCH 2/2] Improve comment clarity on height-related methods in
 ContraptionWorld and WrappedWorld

---
 .../components/structureMovement/ContraptionWorld.java       | 3 ++-
 .../foundation/utility/worldWrappers/WrappedWorld.java       | 5 ++++-
 2 files changed, 6 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 6f8991549..592b0a538 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
@@ -46,7 +46,8 @@ public class ContraptionWorld extends WrappedWorld {
         world.playLocalSound(x, y, z, p_184134_7_, p_184134_8_, p_184134_9_, p_184134_10_, p_184134_11_);
     }
 
-	// Calculate lazily to avoid issues on load when the bounds are yet to be determined.
+	// Ensure that we provide accurate information about ContraptionWorld height to mods (such as Starlight) which
+	// expect Levels to only have blocks located in chunks within their height range.
 
 	@Override
 	public int getHeight() {
diff --git a/src/main/java/com/simibubi/create/foundation/utility/worldWrappers/WrappedWorld.java b/src/main/java/com/simibubi/create/foundation/utility/worldWrappers/WrappedWorld.java
index f9dfd055e..e27910d2e 100644
--- a/src/main/java/com/simibubi/create/foundation/utility/worldWrappers/WrappedWorld.java
+++ b/src/main/java/com/simibubi/create/foundation/utility/worldWrappers/WrappedWorld.java
@@ -200,7 +200,10 @@ public class WrappedWorld extends Level {
 		return entityGetter;
 	}
 
-	// Intentionally copied from LevelHeightAccessor. Lithium overrides these methods so we need to, too.
+	// Intentionally copied from LevelHeightAccessor. Workaround for issues caused when other mods (such as Lithium)
+	// override the vanilla implementations in ways which cause WrappedWorlds to return incorrect, default height info.
+	// WrappedWorld subclasses should implement their own getMinBuildHeight and getHeight overrides where they deviate
+	// from the defaults for their dimension.
 
 	@Override
 	public int getMaxBuildHeight() {