diff --git a/mappings/net/minecraft/util/math/VerticalSurfaceType.mapping b/mappings/net/minecraft/util/math/VerticalSurfaceType.mapping
new file mode 100644
index 0000000000..1f339b205e
--- /dev/null
+++ b/mappings/net/minecraft/util/math/VerticalSurfaceType.mapping
@@ -0,0 +1,14 @@
+CLASS net/minecraft/class_5932 net/minecraft/util/math/VerticalSurfaceType
+	FIELD field_29315 CODEC Lcom/mojang/serialization/Codec;
+	FIELD field_29316 direction Lnet/minecraft/class_2350;
+	FIELD field_29317 offset I
+	FIELD field_29318 name Ljava/lang/String;
+	FIELD field_29319 VALUES [Lnet/minecraft/class_5932;
+	METHOD <init> (Ljava/lang/String;ILnet/minecraft/class_2350;ILjava/lang/String;)V
+		ARG 3 direction
+		ARG 4 offset
+		ARG 5 name
+	METHOD method_34378 byName (Ljava/lang/String;)Lnet/minecraft/class_5932;
+		ARG 0 name
+	METHOD method_34379 getDirection ()Lnet/minecraft/class_2350;
+	METHOD method_34380 getOffset ()I
diff --git a/mappings/net/minecraft/world/gen/decorator/CaveSurfaceDecoratorConfig.mapping b/mappings/net/minecraft/world/gen/decorator/CaveSurfaceDecoratorConfig.mapping
index 3122cd2764..abb49be9c2 100644
--- a/mappings/net/minecraft/world/gen/decorator/CaveSurfaceDecoratorConfig.mapping
+++ b/mappings/net/minecraft/world/gen/decorator/CaveSurfaceDecoratorConfig.mapping
@@ -1,5 +1,7 @@
 CLASS net/minecraft/class_5931 net/minecraft/world/gen/decorator/CaveSurfaceDecoratorConfig
 	FIELD field_29310 CODEC Lcom/mojang/serialization/Codec;
+	FIELD field_29311 surface Lnet/minecraft/class_5932;
 	FIELD field_29312 searchRange I
 	METHOD <init> (Lnet/minecraft/class_5932;I)V
+		ARG 1 surface
 		ARG 2 searchRange
diff --git a/mappings/net/minecraft/world/gen/feature/VegetationPatchFeatureConfig.mapping b/mappings/net/minecraft/world/gen/feature/VegetationPatchFeatureConfig.mapping
index 4970932429..c2047eb82c 100644
--- a/mappings/net/minecraft/world/gen/feature/VegetationPatchFeatureConfig.mapping
+++ b/mappings/net/minecraft/world/gen/feature/VegetationPatchFeatureConfig.mapping
@@ -3,6 +3,7 @@ CLASS net/minecraft/class_5927 net/minecraft/world/gen/feature/VegetationPatchFe
 	FIELD field_29286 replaceable Lnet/minecraft/class_2960;
 	FIELD field_29287 groundState Lnet/minecraft/class_4651;
 	FIELD field_29288 vegetationFeature Ljava/util/function/Supplier;
+	FIELD field_29289 surface Lnet/minecraft/class_5932;
 	FIELD field_29290 depth Lnet/minecraft/class_5428;
 	FIELD field_29291 extraBottomBlockChance F
 	FIELD field_29292 verticalRange I
@@ -13,6 +14,7 @@ CLASS net/minecraft/class_5927 net/minecraft/world/gen/feature/VegetationPatchFe
 		ARG 1 replaceable
 		ARG 2 groundState
 		ARG 3 vegetationFeature
+		ARG 4 surface
 		ARG 5 depth
 		ARG 6 extraBottomBlockChance
 		ARG 7 verticalRange