From d5b95a2832432cebec3d276300e624e37eb4bb8e Mon Sep 17 00:00:00 2001
From: md_5 <git@md-5.net>
Date: Sat, 28 Jul 2018 08:41:45 +1000
Subject: [PATCH] Fix growing large dark oak trees

---
 nms-patches/WorldGenMegaTreeProvider.patch | 20 +-------
 nms-patches/WorldGenTreeProvider.patch     | 53 ++++++++++++++--------
 2 files changed, 35 insertions(+), 38 deletions(-)

diff --git a/nms-patches/WorldGenMegaTreeProvider.patch b/nms-patches/WorldGenMegaTreeProvider.patch
index 66577618f3..74037fdd08 100644
--- a/nms-patches/WorldGenMegaTreeProvider.patch
+++ b/nms-patches/WorldGenMegaTreeProvider.patch
@@ -1,26 +1,10 @@
 --- a/net/minecraft/server/WorldGenMegaTreeProvider.java
 +++ b/net/minecraft/server/WorldGenMegaTreeProvider.java
-@@ -2,6 +2,7 @@
- 
- import java.util.Random;
- import javax.annotation.Nullable;
-+import org.bukkit.TreeType; // CraftBukkit
- 
- public abstract class WorldGenMegaTreeProvider extends WorldGenTreeProvider {
- 
-@@ -28,6 +29,15 @@
+@@ -28,6 +28,7 @@
          if (worldgentreeabstract == null) {
              return false;
          } else {
-+            // CraftBukkit start
-+            if (worldgentreeabstract instanceof WorldGenJungleTree) {
-+                BlockSapling.treeType = TreeType.JUNGLE;
-+            } else if (worldgentreeabstract instanceof WorldGenMegaTree) {
-+                BlockSapling.treeType = TreeType.MEGA_REDWOOD;
-+            } else {
-+                throw new IllegalArgumentException("Unknown tree generator " + worldgentreeabstract);
-+            }
-+            // CraftBukkit end
++            setTreeType(worldgentreeabstract); // CraftBukkit
              IBlockData iblockdata1 = Blocks.AIR.getBlockData();
  
              generatoraccess.setTypeAndData(blockposition.a(i, 0, j), iblockdata1, 4);
diff --git a/nms-patches/WorldGenTreeProvider.patch b/nms-patches/WorldGenTreeProvider.patch
index 41d9998c33..ba2116c74c 100644
--- a/nms-patches/WorldGenTreeProvider.patch
+++ b/nms-patches/WorldGenTreeProvider.patch
@@ -8,29 +8,42 @@
  
  public abstract class WorldGenTreeProvider {
  
-@@ -16,6 +17,25 @@
+@@ -16,6 +17,7 @@
          if (worldgentreeabstract == null) {
              return false;
          } else {
-+            // CraftBukkit start
-+            if (worldgentreeabstract instanceof WorldGenAcaciaTree) {
-+                BlockSapling.treeType = TreeType.ACACIA;
-+            } else if (worldgentreeabstract instanceof WorldGenBigTree) {
-+                BlockSapling.treeType = TreeType.BIG_TREE;
-+            } else if (worldgentreeabstract instanceof WorldGenForest) {
-+                BlockSapling.treeType = TreeType.BIRCH;
-+            } else if (worldgentreeabstract instanceof WorldGenForestTree) {
-+                BlockSapling.treeType = TreeType.DARK_OAK;
-+            } else if (worldgentreeabstract instanceof WorldGenTaiga1) {
-+                BlockSapling.treeType = TreeType.REDWOOD;
-+            } else if (worldgentreeabstract instanceof WorldGenTaiga2) {
-+                BlockSapling.treeType = TreeType.REDWOOD;
-+            } else if (worldgentreeabstract instanceof WorldGenTrees) {
-+                BlockSapling.treeType = TreeType.TREE;
-+            } else {
-+                throw new IllegalArgumentException("Unknown tree generator " + worldgentreeabstract);
-+            }
-+            // CraftBukkit end
++            setTreeType(worldgentreeabstract); // CraftBukkit
              generatoraccess.setTypeAndData(blockposition, Blocks.AIR.getBlockData(), 4);
              if (worldgentreeabstract.generate(generatoraccess, generatoraccess.getChunkProvider().getChunkGenerator(), random, blockposition, WorldGenFeatureConfiguration.e)) {
                  return true;
+@@ -25,4 +27,30 @@
+             }
+         }
+     }
++
++    // CraftBukkit start
++    protected void setTreeType(WorldGenTreeAbstract worldgentreeabstract) {
++        if (worldgentreeabstract instanceof WorldGenAcaciaTree) {
++            BlockSapling.treeType = TreeType.ACACIA;
++        } else if (worldgentreeabstract instanceof WorldGenBigTree) {
++            BlockSapling.treeType = TreeType.BIG_TREE;
++        } else if (worldgentreeabstract instanceof WorldGenForest) {
++            BlockSapling.treeType = TreeType.BIRCH;
++        } else if (worldgentreeabstract instanceof WorldGenForestTree) {
++            BlockSapling.treeType = TreeType.DARK_OAK;
++        } else if (worldgentreeabstract instanceof WorldGenJungleTree) {
++            BlockSapling.treeType = TreeType.JUNGLE;
++        } else if (worldgentreeabstract instanceof WorldGenMegaTree) {
++            BlockSapling.treeType = TreeType.MEGA_REDWOOD;
++        } else if (worldgentreeabstract instanceof WorldGenTaiga1) {
++            BlockSapling.treeType = TreeType.REDWOOD;
++        } else if (worldgentreeabstract instanceof WorldGenTaiga2) {
++            BlockSapling.treeType = TreeType.REDWOOD;
++        } else if (worldgentreeabstract instanceof WorldGenTrees) {
++            BlockSapling.treeType = TreeType.TREE;
++        } else {
++            throw new IllegalArgumentException("Unknown tree generator " + worldgentreeabstract);
++        }
++    }
++    // CraftBukkit end
+ }