From 585a62f3d308cfc30b7ef7d0fc11281c767b45e8 Mon Sep 17 00:00:00 2001
From: CraftBukkit/Spigot <noreply+git-craftbukkit@papermc.io>
Date: Fri, 23 Dec 2011 00:54:34 +0100
Subject: [PATCH] [Bleeding] Undo changes to the tree WorldGenerators.

- All StructureGrowEvent handling for these is in BlockSapling now, using a BlockChangeDelegate to collect the data.
- Moved StructureGrowDelegate into a separate class

By: Zeerix <zeerix@draig.de>
---
 .../org/bukkit/craftbukkit/CraftWorld.java    |  8 ++--
 .../util/StructureGrowDelegate.java           | 48 +++++++++++++++++++
 2 files changed, 52 insertions(+), 4 deletions(-)
 create mode 100644 paper-server/src/main/java/org/bukkit/craftbukkit/util/StructureGrowDelegate.java

diff --git a/paper-server/src/main/java/org/bukkit/craftbukkit/CraftWorld.java b/paper-server/src/main/java/org/bukkit/craftbukkit/CraftWorld.java
index 744113b735..0b434f32cf 100644
--- a/paper-server/src/main/java/org/bukkit/craftbukkit/CraftWorld.java
+++ b/paper-server/src/main/java/org/bukkit/craftbukkit/CraftWorld.java
@@ -365,16 +365,16 @@ public class CraftWorld implements World {
     public boolean generateTree(Location loc, TreeType type, BlockChangeDelegate delegate) {
         switch (type) {
         case BIG_TREE:
-            return new WorldGenBigTree(false).generate(delegate, rand, loc.getBlockX(), loc.getBlockY(), loc.getBlockZ(), null, null, null);
+            return new WorldGenBigTree(false).generate(delegate, rand, loc.getBlockX(), loc.getBlockY(), loc.getBlockZ());
         case BIRCH:
-            return new WorldGenForest(false).generate(delegate, rand, loc.getBlockX(), loc.getBlockY(), loc.getBlockZ(), null, null, null);
+            return new WorldGenForest(false).generate(delegate, rand, loc.getBlockX(), loc.getBlockY(), loc.getBlockZ());
         case REDWOOD:
-            return new WorldGenTaiga2(false).generate(delegate, rand, loc.getBlockX(), loc.getBlockY(), loc.getBlockZ(), null, null, null);
+            return new WorldGenTaiga2(false).generate(delegate, rand, loc.getBlockX(), loc.getBlockY(), loc.getBlockZ());
         case TALL_REDWOOD:
             return new WorldGenTaiga1().generate(delegate, rand, loc.getBlockX(), loc.getBlockY(), loc.getBlockZ());
         case TREE:
         default:
-            return new WorldGenTrees(false).generate(delegate, rand, loc.getBlockX(), loc.getBlockY(), loc.getBlockZ(), null, null, null);
+            return new WorldGenTrees(false).generate(delegate, rand, loc.getBlockX(), loc.getBlockY(), loc.getBlockZ());
         }
     }
 
diff --git a/paper-server/src/main/java/org/bukkit/craftbukkit/util/StructureGrowDelegate.java b/paper-server/src/main/java/org/bukkit/craftbukkit/util/StructureGrowDelegate.java
new file mode 100644
index 0000000000..125772d41d
--- /dev/null
+++ b/paper-server/src/main/java/org/bukkit/craftbukkit/util/StructureGrowDelegate.java
@@ -0,0 +1,48 @@
+package org.bukkit.craftbukkit.util;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import net.minecraft.server.World;
+
+import org.bukkit.BlockChangeDelegate;
+import org.bukkit.block.BlockState;
+import org.bukkit.craftbukkit.CraftWorld;
+import org.bukkit.material.MaterialData;
+
+public class StructureGrowDelegate implements BlockChangeDelegate {
+    private final CraftWorld world;
+    private final List<BlockState> blocks = new ArrayList<BlockState>();
+
+    public StructureGrowDelegate(World world) {
+        this.world = world.getWorld();
+    }
+
+    @Override
+    public boolean setRawTypeId(int x, int y, int z, int type) {
+        return setRawTypeIdAndData(x, y, z, type, 0);
+    }
+
+    @Override
+    public boolean setRawTypeIdAndData(int x, int y, int z, int type, int data) {
+        BlockState state = world.getBlockAt(x, y, z).getState();
+        state.setTypeId(type);
+        state.setData(new MaterialData(type, (byte) data));
+        blocks.add(state);
+        return true;
+    }
+
+    @Override
+    public int getTypeId(int x, int y, int z) {
+        return world.getBlockTypeIdAt(x, y, z);
+    }
+
+    @Override
+    public int getHeight() {
+        return world.getMaxHeight();
+    }
+
+    public List<BlockState> getBlocks() {
+        return blocks;
+    }
+}