fix 3-layer clouds culling at low render distances

core/src/main/java/com/seibel/distanthorizons/core/render/renderer/CloudRenderHandler.java

@@ -395,7 +395,8 @@ public class CloudRenderHandler
 			this.level.getLevelWrapper().getMaxHeight()
 			+ 200 // render clouds at least 200 blocks above the height limit to prevent players/blocks from intersecting (since DH always renders behind everything else)
 			+ cloudParams.heightOffset;
-		float newMinPosZ = cloudParams.deltaOffsetZ
+		float newMinPosZ = 
+			cloudParams.deltaOffsetZ
 			+ (cloudParams.instanceOffsetZ * cloudParams.widthInBlocks)
 			+ instanceOffsetZ + cloudParams.halfWidthInBlocks;
 		
@@ -515,7 +516,10 @@ public class CloudRenderHandler
 		DhVec3f cameraLookAtVector = MC_RENDER.getLookAtVector();
 		cameraLookAtVector.normalize();
 		
-		double renderDistance = Config.Client.Advanced.Graphics.Quality.lodChunkRenderDistanceRadius.get()
+		double renderDistance = 
+			// minimum distance of 256 to handle 3-layer clouds correctly,
+			// otherwise the upper layers will be culled
+			Math.max(Config.Client.Advanced.Graphics.Quality.lodChunkRenderDistanceRadius.get(), 256)
 			// * 1.5 is so we have a little extra buffer where clouds will render further than
 			// necessary to prevent seeing the cloud border
 			* LodUtil.CHUNK_WIDTH * 1.5;