From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Nahuel <nahueldolores@hotmail.com>
Date: Sat, 9 Jan 2021 15:36:59 +0100
Subject: [PATCH] Add StructureGenerateEvent

This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program.  If not, see <https://www.gnu.org/licenses/>.

Co-authored-by: Mariell Hoversholm <proximyst@proximyst.com>

diff --git a/src/main/java/net/minecraft/server/ChunkGenerator.java b/src/main/java/net/minecraft/server/ChunkGenerator.java
index 9a6fef215052f9c513b23024968995c97863a453..a26616d479e79729cbf4838df90612f074a47a04 100644
--- a/src/main/java/net/minecraft/server/ChunkGenerator.java
+++ b/src/main/java/net/minecraft/server/ChunkGenerator.java
@@ -234,6 +234,14 @@ public abstract class ChunkGenerator {
         if (structuresettingsfeature != null) {
             StructureStart<?> structurestart1 = structurefeature.a(iregistrycustom, this, this.b, definedstructuremanager, i, chunkcoordintpair, biomebase, j, structuresettingsfeature);
 
+            // Purpur start
+            if (new net.pl3x.purpur.event.world.StructureGenerateEvent(
+                    structuremanager.getWorld().getWorld(),
+                    org.bukkit.StructureType.getStructureTypes().get(structurefeature.getFeature().getRegistryKey().toLowerCase()),
+                    chunkcoordintpair.x,
+                    chunkcoordintpair.z
+            ).callEvent())
+            // Purpur end
             structuremanager.a(SectionPosition.a(ichunkaccess.getPos(), 0), structurefeature.d, structurestart1, ichunkaccess);
         }
 
diff --git a/src/main/java/net/minecraft/server/StructureFeature.java b/src/main/java/net/minecraft/server/StructureFeature.java
index 8e3c0c3783b767c2ba603b3b50200ac76a7fc33e..379665ae55e76afb03b20d1b81c57347af1137db 100644
--- a/src/main/java/net/minecraft/server/StructureFeature.java
+++ b/src/main/java/net/minecraft/server/StructureFeature.java
@@ -11,7 +11,7 @@ public class StructureFeature<FC extends WorldGenFeatureConfiguration, F extends
     }, StructureGenerator::h);
     public static final Codec<Supplier<StructureFeature<?, ?>>> b = RegistryFileCodec.a(IRegistry.av, StructureFeature.a);
     public static final Codec<List<Supplier<StructureFeature<?, ?>>>> c = RegistryFileCodec.b(IRegistry.av, StructureFeature.a);
-    public final F d;
+    public final F d; public final F getFeature() { return this.d; } // Purpur - OBFHELPER
     public final FC e;
 
     public StructureFeature(F f0, FC fc) {
diff --git a/src/main/java/net/minecraft/server/StructureGenerator.java b/src/main/java/net/minecraft/server/StructureGenerator.java
index a62c87bceab2c9700a7b3925f208b0ffa2b9b393..8fc283f014783b76afda83097201bb7938a1f9fa 100644
--- a/src/main/java/net/minecraft/server/StructureGenerator.java
+++ b/src/main/java/net/minecraft/server/StructureGenerator.java
@@ -235,6 +235,7 @@ public abstract class StructureGenerator<C extends WorldGenFeatureConfiguration>
 
     public abstract StructureGenerator.a<C> a();
 
+    public final String getRegistryKey() { return this.i(); } // Purpur - OBFHELPER
     public String i() {
         return (String) StructureGenerator.a.inverse().get(this);
     }