From 96778caabb82eff6c2155d016bea938cebed3953 Mon Sep 17 00:00:00 2001
From: md_5 <git@md-5.net>
Date: Sat, 11 Aug 2018 17:43:41 +1000
Subject: [PATCH] SPIGOT-4253: Add way to prioritise item conversion

---
 .../org/bukkit/craftbukkit/util/CraftLegacy.java | 16 ++++++++++++++--
 .../craftbukkit/util/CraftMagicNumbers.java      |  5 +++++
 2 files changed, 19 insertions(+), 2 deletions(-)

diff --git a/src/main/java/org/bukkit/craftbukkit/util/CraftLegacy.java b/src/main/java/org/bukkit/craftbukkit/util/CraftLegacy.java
index 83ac79f798..15f24e9d31 100644
--- a/src/main/java/org/bukkit/craftbukkit/util/CraftLegacy.java
+++ b/src/main/java/org/bukkit/craftbukkit/util/CraftLegacy.java
@@ -163,6 +163,10 @@ public class CraftLegacy {
     }
 
     public static Material fromLegacy(MaterialData materialData) {
+        return fromLegacy(materialData, false);
+    }
+
+    public static Material fromLegacy(MaterialData materialData, boolean itemPriority) {
         Material material = materialData.getItemType();
         if (material == null || !material.isLegacy()) {
             return material;
@@ -170,7 +174,15 @@ public class CraftLegacy {
 
         Material mappedData = null;
 
-        if (material.isBlock()) {
+        // Try item first
+        if (itemPriority) {
+            Item item = materialToItem.get(materialData);
+            if (item != null) {
+                mappedData = CraftMagicNumbers.getMaterial(item);
+            }
+        }
+
+        if (mappedData == null && material.isBlock()) {
             // Try exact match first
             IBlockData iblock = materialToData.get(materialData);
             if (iblock != null) {
@@ -187,7 +199,7 @@ public class CraftLegacy {
         }
 
         // Fallback to matching item
-        if (mappedData == null) {
+        if (!itemPriority && mappedData == null) {
             Item item = materialToItem.get(materialData);
             if (item != null) {
                 mappedData = CraftMagicNumbers.getMaterial(item);
diff --git a/src/main/java/org/bukkit/craftbukkit/util/CraftMagicNumbers.java b/src/main/java/org/bukkit/craftbukkit/util/CraftMagicNumbers.java
index 3474536f75..21d0062d9c 100644
--- a/src/main/java/org/bukkit/craftbukkit/util/CraftMagicNumbers.java
+++ b/src/main/java/org/bukkit/craftbukkit/util/CraftMagicNumbers.java
@@ -134,6 +134,11 @@ public final class CraftMagicNumbers implements UnsafeValues {
         return CraftLegacy.fromLegacy(material);
     }
 
+    @Override
+    public Material fromLegacy(MaterialData material, boolean itemPriority) {
+        return CraftLegacy.fromLegacy(material, itemPriority);
+    }
+
     @Override
     public BlockData fromLegacy(Material material, byte data) {
         return CraftBlockData.fromData(getBlock(material, data));