From 72cf620d474ca21b5369b61136e286101f2f635a Mon Sep 17 00:00:00 2001
From: md_5 <git@md-5.net>
Date: Sun, 15 Jul 2018 15:00:35 +1000
Subject: [PATCH] SPIGOT-4002: Fix usage of default: statements in 1.13 plugins
 compiled w/ Eclipse

---
 src/main/java/org/bukkit/craftbukkit/util/Commodore.java | 3 +++
 .../java/org/bukkit/craftbukkit/util/CraftLegacy.java    | 9 +++++++++
 2 files changed, 12 insertions(+)

diff --git a/src/main/java/org/bukkit/craftbukkit/util/Commodore.java b/src/main/java/org/bukkit/craftbukkit/util/Commodore.java
index aefba1492a..cc877f0a4d 100644
--- a/src/main/java/org/bukkit/craftbukkit/util/Commodore.java
+++ b/src/main/java/org/bukkit/craftbukkit/util/Commodore.java
@@ -196,6 +196,9 @@ public class Commodore
                                     case "values":
                                         super.visitMethodInsn( opcode, "org/bukkit/craftbukkit/util/CraftLegacy", "modern_" + name, desc, itf );
                                         return;
+                                    case "ordinal":
+                                        super.visitMethodInsn( Opcodes.INVOKESTATIC, "org/bukkit/craftbukkit/util/CraftLegacy", "modern_" + name, "(Lorg/bukkit/Material;)I", false );
+                                        return;
                                 }
                             }
 
diff --git a/src/main/java/org/bukkit/craftbukkit/util/CraftLegacy.java b/src/main/java/org/bukkit/craftbukkit/util/CraftLegacy.java
index 5965e82c2b..4ecba72863 100644
--- a/src/main/java/org/bukkit/craftbukkit/util/CraftLegacy.java
+++ b/src/main/java/org/bukkit/craftbukkit/util/CraftLegacy.java
@@ -221,6 +221,15 @@ public class CraftLegacy {
         return Arrays.copyOfRange(values, 0, Material.LEGACY_AIR.ordinal());
     }
 
+    public static int modern_ordinal(Material material) {
+        if (material.isLegacy()) {
+            // SPIGOT-4002: Fix for eclipse compiler manually compiling in default statements to lookupswitch
+            throw new NoSuchFieldError("Legacy field ordinal: " + material);
+        }
+
+        return material.ordinal();
+    }
+
     static {
         SPAWN_EGGS.put(EntityType.BAT, Material.BAT_SPAWN_EGG);
         SPAWN_EGGS.put(EntityType.BLAZE, Material.BLAZE_SPAWN_EGG);