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/world/level/chunk/ChunkGenerator.java b/src/main/java/net/minecraft/world/level/chunk/ChunkGenerator.java
index 316287af6e405ff224636255c2964f46003215ce..ff98335155c86803b98d8c67f0b40b8d65214890 100644
--- a/src/main/java/net/minecraft/world/level/chunk/ChunkGenerator.java
+++ b/src/main/java/net/minecraft/world/level/chunk/ChunkGenerator.java
@@ -287,6 +287,14 @@ 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/world/level/levelgen/feature/StructureFeature.java b/src/main/java/net/minecraft/world/level/levelgen/feature/StructureFeature.java
index 839cc598e6dd87dd77940b5b6dcb8ddcd0b3271e..2d653ba2582c39ac1c7f396c50a7a974aa02a07e 100644
--- a/src/main/java/net/minecraft/world/level/levelgen/feature/StructureFeature.java
+++ b/src/main/java/net/minecraft/world/level/levelgen/feature/StructureFeature.java
@@ -23,7 +23,7 @@ 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/world/level/levelgen/feature/StructureGenerator.java b/src/main/java/net/minecraft/world/level/levelgen/feature/StructureGenerator.java
index e5c22e92a305050df0eae2da53217ea2c3249e03..8dffba8abfbda029c8a35ec7262faabd9f76c904 100644
--- a/src/main/java/net/minecraft/world/level/levelgen/feature/StructureGenerator.java
+++ b/src/main/java/net/minecraft/world/level/levelgen/feature/StructureGenerator.java
@@ -277,6 +277,7 @@ 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);
     }