From 2e5af46b47d0620b346a20fffc2ee538258737c6 Mon Sep 17 00:00:00 2001
From: Byteflux <byte@byteflux.net>
Date: Wed, 6 May 2015 15:02:54 -0700
Subject: [PATCH] Configurable flat bedrock worldgen


diff --git a/src/main/java/net/minecraft/server/BiomeBase.java b/src/main/java/net/minecraft/server/BiomeBase.java
index 1372955b3..201c845b3 100644
--- a/src/main/java/net/minecraft/server/BiomeBase.java
+++ b/src/main/java/net/minecraft/server/BiomeBase.java
@@ -263,7 +263,7 @@ public abstract class BiomeBase {
         for (int l1 = 255; l1 >= 0; --l1) {
             int i2 = (j1 * 16 + i1) * k1 + l1;
 
-            if (l1 <= 0 + random.nextInt(5)) {
+            if (l1 <= (world.paperSpigotConfig.generateFlatBedrock ? 0 : random.nextInt(5))) { // PaperSpigot - Configurable flat bedrock worldgen
                 ablock[i2] = Blocks.BEDROCK;
             } else {
                 Block block2 = ablock[i2];
diff --git a/src/main/java/net/minecraft/server/BiomeMesa.java b/src/main/java/net/minecraft/server/BiomeMesa.java
index 7a184e23a..8b1a69d94 100644
--- a/src/main/java/net/minecraft/server/BiomeMesa.java
+++ b/src/main/java/net/minecraft/server/BiomeMesa.java
@@ -97,7 +97,7 @@ public class BiomeMesa extends BiomeBase {
                 ablock[i2] = Blocks.STONE;
             }
 
-            if (l1 <= 0 + random.nextInt(5)) {
+            if (l1 <= (world.paperSpigotConfig.generateFlatBedrock ? 0 : random.nextInt(5))) { // PaperSpigot - Configurable flat bedrock worldgen
                 ablock[i2] = Blocks.BEDROCK;
             } else {
                 Block block2 = ablock[i2];
diff --git a/src/main/java/net/minecraft/server/ChunkProviderHell.java b/src/main/java/net/minecraft/server/ChunkProviderHell.java
index bb7059980..b85124996 100644
--- a/src/main/java/net/minecraft/server/ChunkProviderHell.java
+++ b/src/main/java/net/minecraft/server/ChunkProviderHell.java
@@ -124,7 +124,10 @@ public class ChunkProviderHell implements IChunkProvider {
                 for (int k1 = 127; k1 >= 0; --k1) {
                     int l1 = (l * 16 + k) * 128 + k1;
 
-                    if (k1 < 127 - this.i.nextInt(5) && k1 > 0 + this.i.nextInt(5)) {
+                    // PaperSpigot start - Configurable flat bedrock worldgen
+                    if (k1 < 127 - (o.paperSpigotConfig.generateFlatBedrock ? 0 : this.i.nextInt(5)) &&
+                            k1 > (o.paperSpigotConfig.generateFlatBedrock ? 0 : this.i.nextInt(5))) {
+                    // PaperSpigot end
                         Block block2 = ablock[l1];
 
                         if (block2 != null && block2.getMaterial() != Material.AIR) {
diff --git a/src/main/java/org/github/paperspigot/PaperSpigotWorldConfig.java b/src/main/java/org/github/paperspigot/PaperSpigotWorldConfig.java
index 1133f0650..f8a95f97c 100644
--- a/src/main/java/org/github/paperspigot/PaperSpigotWorldConfig.java
+++ b/src/main/java/org/github/paperspigot/PaperSpigotWorldConfig.java
@@ -224,6 +224,7 @@ public class PaperSpigotWorldConfig
     public boolean generateStronghold;
     public boolean generateTemple;
     public boolean generateVillage;
+    public boolean generateFlatBedrock;
     private void generatorSettings()
     {
         generateCanyon = getBoolean( "generator-settings.canyon", true );
@@ -234,6 +235,7 @@ public class PaperSpigotWorldConfig
         generateStronghold = getBoolean( "generator-settings.stronghold", true );
         generateTemple = getBoolean( "generator-settings.temple", true );
         generateVillage = getBoolean( "generator-settings.village", true );
+        generateFlatBedrock = getBoolean( "generator-settings.flat-bedrock", false );
     }
 
     public boolean loadUnloadedEnderPearls;
-- 
2.13.3