From ac2bfd98cdfc10540eada52eedf281a02f31b69f Mon Sep 17 00:00:00 2001
From: James Seibel <jeseibel@gondtc.com>
Date: Sat, 11 Jan 2025 13:36:47 -0600
Subject: [PATCH] fix rare columnRenderBuffer future nullpointer

---
 .../render/bufferBuilding/ColumnRenderBuffer.java         | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/core/src/main/java/com/seibel/distanthorizons/core/dataObjects/render/bufferBuilding/ColumnRenderBuffer.java b/core/src/main/java/com/seibel/distanthorizons/core/dataObjects/render/bufferBuilding/ColumnRenderBuffer.java
index 573abd397..823f47542 100644
--- a/core/src/main/java/com/seibel/distanthorizons/core/dataObjects/render/bufferBuilding/ColumnRenderBuffer.java
+++ b/core/src/main/java/com/seibel/distanthorizons/core/dataObjects/render/bufferBuilding/ColumnRenderBuffer.java
@@ -88,9 +88,13 @@ public class ColumnRenderBuffer implements AutoCloseable
 		CompletableFuture<ColumnRenderBuffer> future = this.uploadFuture;
 		if (future != null)
 		{
+			// upload already in process
 			return future;
 		}
-		this.uploadFuture = new CompletableFuture<>();
+		
+		// new upload needed
+		future = new CompletableFuture<>();
+		this.uploadFuture = future;
 		
 		
 		
@@ -150,7 +154,7 @@ public class ColumnRenderBuffer implements AutoCloseable
 			}
 		});
 		
-		return this.uploadFuture;
+		return future;
 	}
 	private static GLVertexBuffer[] resizeBuffer(GLVertexBuffer[] vbos, int newSize)
 	{