From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: William Blake Galbreath <Blake.Galbreath@GMail.com>
Date: Fri, 2 Oct 2020 17:43:24 -0500
Subject: [PATCH] Add predicate to recipe's ExactChoice ingredient


diff --git a/src/main/java/org/bukkit/inventory/RecipeChoice.java b/src/main/java/org/bukkit/inventory/RecipeChoice.java
index 1cd6601c9d2e86ef850011fcb9e59811207b4af7..81c563d44c311ea1b49425d93c57f46beb4a2ef9 100644
--- a/src/main/java/org/bukkit/inventory/RecipeChoice.java
+++ b/src/main/java/org/bukkit/inventory/RecipeChoice.java
@@ -180,6 +180,7 @@ public interface RecipeChoice extends Predicate<ItemStack>, Cloneable {
     public static class ExactChoice implements RecipeChoice {
 
         private List<ItemStack> choices;
+        private Predicate<ItemStack> predicate; // Purpur
 
         public ExactChoice(@NotNull ItemStack stack) {
             this(Arrays.asList(stack));
@@ -229,6 +230,7 @@ public interface RecipeChoice extends Predicate<ItemStack>, Cloneable {
 
         @Override
         public boolean test(@NotNull ItemStack t) {
+            if (predicate != null) return predicate.test(t); // Purpur
             for (ItemStack match : choices) {
                 if (t.isSimilar(match)) {
                     return true;
@@ -238,6 +240,17 @@ public interface RecipeChoice extends Predicate<ItemStack>, Cloneable {
             return false;
         }
 
+        // Purpur start
+        @org.jetbrains.annotations.Nullable
+        public Predicate<ItemStack> getPredicate() {
+            return predicate;
+        }
+
+        public void setPredicate(@org.jetbrains.annotations.Nullable Predicate<ItemStack> predicate) {
+            this.predicate = predicate;
+        }
+        // Purpur end
+
         @Override
         public int hashCode() {
             int hash = 7;