diff --git a/mappings/net/minecraft/client/render/ChunkRenderingDataPreparer.mapping b/mappings/net/minecraft/client/render/ChunkRenderingDataPreparer.mapping
index 5dcc3a43e9..155a17f94e 100644
--- a/mappings/net/minecraft/client/render/ChunkRenderingDataPreparer.mapping
+++ b/mappings/net/minecraft/client/render/ChunkRenderingDataPreparer.mapping
@@ -2,18 +2,32 @@ CLASS net/minecraft/class_8679 net/minecraft/client/render/ChunkRenderingDataPre
 	FIELD field_45617 LOGGER Lorg/slf4j/Logger;
 	FIELD field_45618 DIRECTIONS [Lnet/minecraft/class_2350;
 	FIELD field_45621 isFree Z
+	FIELD field_45622 reloadChunksFuture Ljava/util/concurrent/Future;
+	FIELD field_45623 builtChunkStorage Lnet/minecraft/class_769;
+	FIELD field_45624 chunks Ljava/util/concurrent/atomic/AtomicReference;
 	FIELD field_45625 propagatationContext Ljava/util/concurrent/atomic/AtomicReference;
 	FIELD field_45626 finished Ljava/util/concurrent/atomic/AtomicBoolean;
 	METHOD method_52817 markFree ()V
-	METHOD method_52821 (Lnet/minecraft/class_4184;Ljava/util/Queue;)V
+	METHOD method_52821 addChunksToQueue (Lnet/minecraft/class_4184;Ljava/util/Queue;)V
 		ARG 1 camera
-	METHOD method_52825 (Lnet/minecraft/class_8679$class_6600;Lnet/minecraft/class_243;Ljava/util/Queue;ZLjava/util/function/Consumer;)V
+	METHOD method_52824 (Lnet/minecraft/class_8679$class_8681;Lnet/minecraft/class_8679$class_762;)V
+		ARG 1 chunkInfo
+	METHOD method_52825 __temp_somethingFrustum (Lnet/minecraft/class_8679$class_6600;Lnet/minecraft/class_243;Ljava/util/Queue;ZLjava/util/function/Consumer;)V
 		ARG 2 cameraPos
+		ARG 4 chunkCulling
 	METHOD method_52826 updateBuiltChunkStorage (Lnet/minecraft/class_769;)V
 	METHOD method_52828 applyFrustum (Lnet/minecraft/class_4604;Ljava/util/List;)V
 	METHOD method_52832 shouldRenderBlock (Lnet/minecraft/class_2338;Lnet/minecraft/class_2338;)Z
 		ARG 1 cameraPos
 		ARG 2 pos
+	METHOD method_52833 reloadChunks (ZLnet/minecraft/class_4184;Lnet/minecraft/class_243;)V
+		ARG 1 chunkCulling
+		ARG 2 camera
+		ARG 3 cameraPos
+	METHOD method_52834 buildOcclusionGraph (ZLnet/minecraft/class_4184;Lnet/minecraft/class_4604;Ljava/util/List;)V
+		ARG 1 chunkCulling
+	METHOD method_52835 (ZLnet/minecraft/class_4604;Ljava/util/List;Lnet/minecraft/class_243;)V
+		ARG 1 chunkCulling
 	METHOD method_52836 resetFinished ()Z
 	CLASS class_762 ChunkInfo
 		FIELD field_4122 propagationLevel I
@@ -47,10 +61,11 @@ CLASS net/minecraft/class_8679 net/minecraft/client/render/ChunkRenderingDataPre
 			ARG 2 info
 	CLASS class_6600 RenderableChunks
 		FIELD field_34819 chunks Ljava/util/LinkedHashSet;
+		FIELD field_45627 chunkInfoList Lnet/minecraft/class_8679$class_5972;
 		FIELD field_45628 builtChunks Lit/unimi/dsi/fastutil/longs/Long2ObjectMap;
 		METHOD <init> (I)V
 			ARG 1 chunkCount
-	CLASS class_8680 BuilderPropagatationContext
-	CLASS class_8681
+	CLASS class_8680 PropagatationContext
+	CLASS class_8681 OcclusionGraphChunks
 		METHOD <init> (I)V
 			ARG 1 size
diff --git a/mappings/net/minecraft/client/render/WorldRenderer.mapping b/mappings/net/minecraft/client/render/WorldRenderer.mapping
index 0600809f6a..214ebaf1fd 100644
--- a/mappings/net/minecraft/client/render/WorldRenderer.mapping
+++ b/mappings/net/minecraft/client/render/WorldRenderer.mapping
@@ -66,6 +66,7 @@ CLASS net/minecraft/class_761 net/minecraft/client/render/WorldRenderer
 	FIELD field_4119 playingSongs Ljava/util/Map;
 	FIELD field_4121 cameraChunkZ I
 	FIELD field_45614 chunkBuilder Lnet/minecraft/class_846;
+	FIELD field_45615 renderingDataPreparer Lnet/minecraft/class_8679;
 	FIELD field_45616 builtChunks Lit/unimi/dsi/fastutil/objects/ObjectArrayList;
 	METHOD <init> (Lnet/minecraft/class_310;Lnet/minecraft/class_898;Lnet/minecraft/class_824;Lnet/minecraft/class_4599;)V
 		ARG 1 client