Support Bukkit-Forge hacks which add enum constants at runtime (#2779)

LuckPerms · Dec 20, 2020 · abb608b · abb608b
1 parent c28b194
commit abb608b
Showing 1 changed file with 8 additions and 1 deletion.
diff --git a/common/src/main/java/me/lucko/luckperms/common/util/EnumNamer.java b/common/src/main/java/me/lucko/luckperms/common/util/EnumNamer.java
@@ -38,6 +38,7 @@ public class EnumNamer<E extends Enum<E>> {
     public static final Function<Enum<?>, String> LOWER_CASE_NAME = value -> value.name().toLowerCase();
 
     private final String[] names;
+    private final Function<? super E, String> namingFunction;
 
     public EnumNamer(Class<E> enumClass, Map<? super E, String> definedNames, Function<? super E, String> namingFunction) {
         E[] values = enumClass.getEnumConstants();
@@ -49,14 +50,20 @@ public EnumNamer(Class<E> enumClass, Map<? super E, String> definedNames, Functi
             }
             this.names[value.ordinal()] = name;
         }
+        this.namingFunction = namingFunction;
     }
 
     public EnumNamer(Class<E> enumClass, Function<? super E, String> namingFunction) {
         this(enumClass, Collections.emptyMap(), namingFunction);
     }
 
     public String name(E value) {
-        return this.names[value.ordinal()];
+        int ordinal = value.ordinal();
+        // support the Bukkit-Forge hack where enum constants are added at runtime...
+        if (ordinal >= this.names.length) {
+            return this.namingFunction.apply(value);
+        }
+        return this.names[ordinal];
     }
 
 }