From 06c3e255b35945316265a0fe6bdff4293899fd73 Mon Sep 17 00:00:00 2001
From: ichttt <ichttt@users.noreply.github.com>
Date: Thu, 29 Aug 2019 06:28:21 +0200
Subject: [PATCH] Add a config comment that lists the available constants of
 enums (#6079)

---
 src/main/java/net/minecraftforge/common/ForgeConfigSpec.java | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/main/java/net/minecraftforge/common/ForgeConfigSpec.java b/src/main/java/net/minecraftforge/common/ForgeConfigSpec.java
index 37204aa81..135ae0ec4 100644
--- a/src/main/java/net/minecraftforge/common/ForgeConfigSpec.java
+++ b/src/main/java/net/minecraftforge/common/ForgeConfigSpec.java
@@ -38,6 +38,7 @@ import java.util.Objects;
 import java.util.function.Function;
 import java.util.function.Predicate;
 import java.util.function.Supplier;
+import java.util.stream.Collectors;
 
 import javax.annotation.Nonnull;
 
@@ -388,6 +389,8 @@ public class ForgeConfigSpec extends UnmodifiableConfigWrapper<Config>
         }
         public <V extends Enum<V>> EnumValue<V> defineEnum(List<String> path, Supplier<V> defaultSupplier, EnumGetMethod converter, Predicate<Object> validator, Class<V> clazz) {
             context.setClazz(clazz);
+            V[] allowedValues = clazz.getEnumConstants();
+            context.setComment(ObjectArrays.concat(context.getComment(), "Allowed Values: " + Arrays.stream(allowedValues).map(Enum::name).collect(Collectors.joining(", "))));
             return new EnumValue<V>(this, define(path, new ValueSpec(defaultSupplier, validator, context), defaultSupplier).getPath(), defaultSupplier, converter, clazz);
         }