From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: William Blake Galbreath <Blake.Galbreath@GMail.com>
Date: Sat, 15 Aug 2020 08:04:49 -0500
Subject: [PATCH] Fix MC-187716 Use configured height


diff --git a/src/main/java/net/minecraft/world/level/levelgen/surfacebuilders/NetherCappedSurfaceBuilder.java b/src/main/java/net/minecraft/world/level/levelgen/surfacebuilders/NetherCappedSurfaceBuilder.java
index 3f297ef7bde4159c77681574966446a0eba03f25..ff17c76f341028dd6d17f4c1f13f442c2e404532 100644
--- a/src/main/java/net/minecraft/world/level/levelgen/surfacebuilders/NetherCappedSurfaceBuilder.java
+++ b/src/main/java/net/minecraft/world/level/levelgen/surfacebuilders/NetherCappedSurfaceBuilder.java
@@ -44,7 +44,7 @@ public abstract class NetherCappedSurfaceBuilder extends SurfaceBuilder<SurfaceB
         BlockPos.MutableBlockPos blockposition_mutableblockposition = new BlockPos.MutableBlockPos();
         BlockState iblockdata4 = chunk.getBlockState(blockposition_mutableblockposition.set(k1, 128, l1));
 
-        for (int k2 = 127; k2 >= 0; --k2) {
+        for (int k2 = height; k2 >= 0; --k2) { // Paper - fix MC-187716 - use configured height
             blockposition_mutableblockposition.set(k1, k2, l1);
             BlockState iblockdata5 = chunk.getBlockState(blockposition_mutableblockposition);
             int l2;
diff --git a/src/main/java/net/minecraft/world/level/levelgen/surfacebuilders/NetherForestSurfaceBuilder.java b/src/main/java/net/minecraft/world/level/levelgen/surfacebuilders/NetherForestSurfaceBuilder.java
index 4d6c03048022442dea467e1d9d018f150adc62c7..f64671b7359fb71e8af578d48d0a3c211e315057 100644
--- a/src/main/java/net/minecraft/world/level/levelgen/surfacebuilders/NetherForestSurfaceBuilder.java
+++ b/src/main/java/net/minecraft/world/level/levelgen/surfacebuilders/NetherForestSurfaceBuilder.java
@@ -34,7 +34,7 @@ public class NetherForestSurfaceBuilder extends SurfaceBuilder<SurfaceBuilderBas
         int j2 = -1;
         BlockState iblockdata2 = surfaceBlocks.getUnderMaterial();
 
-        for (int k2 = 127; k2 >= 0; --k2) {
+        for (int k2 = height; k2 >= 0; --k2) { // Paper - fix MC-187716 - use configured height
             blockposition_mutableblockposition.set(k1, k2, l1);
             BlockState iblockdata3 = surfaceBlocks.getTopMaterial();
             BlockState iblockdata4 = chunk.getBlockState(blockposition_mutableblockposition);
diff --git a/src/main/java/net/minecraft/world/level/levelgen/surfacebuilders/NetherSurfaceBuilder.java b/src/main/java/net/minecraft/world/level/levelgen/surfacebuilders/NetherSurfaceBuilder.java
index c1e0fd7813786bf1cc03b08b204007711575f144..b222890e7bdff2c1470841677a99d4423f9c9d7f 100644
--- a/src/main/java/net/minecraft/world/level/levelgen/surfacebuilders/NetherSurfaceBuilder.java
+++ b/src/main/java/net/minecraft/world/level/levelgen/surfacebuilders/NetherSurfaceBuilder.java
@@ -36,7 +36,7 @@ public class NetherSurfaceBuilder extends SurfaceBuilder<SurfaceBuilderBaseConfi
         BlockState iblockdata2 = surfaceBlocks.getTopMaterial();
         BlockState iblockdata3 = surfaceBlocks.getUnderMaterial();
 
-        for (int k2 = 127; k2 >= 0; --k2) {
+        for (int k2 = height; k2 >= 0; --k2) { // Paper - fix MC-187716 - use configured height
             blockposition_mutableblockposition.set(k1, k2, l1);
             BlockState iblockdata4 = chunk.getBlockState(blockposition_mutableblockposition);