Fix EntityRaider picking up items when they shouldn't be able to

Spigot-Server-Patches/0520-Ensure-EntityRaider-respects-game-and-entity-rules-f.patch

@@ -0,0 +1,29 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: kickash32 <kickash32@gmail.com>
+Date: Sat, 9 May 2020 02:01:48 -0400
+Subject: [PATCH] Ensure EntityRaider respects game and entity rules for
+ picking up items
+
+
+diff --git a/src/main/java/net/minecraft/server/EntityRaider.java b/src/main/java/net/minecraft/server/EntityRaider.java
+index c0b7b5f072b0b3777b2042b0b80f3bb22e617b11..ee1fcb11afbc3efa42ce0170b72da3fd4460b95b 100644
+--- a/src/main/java/net/minecraft/server/EntityRaider.java
++++ b/src/main/java/net/minecraft/server/EntityRaider.java
+@@ -486,7 +486,7 @@ public abstract class EntityRaider extends EntityMonsterPatrolling {
+
+     public class b<T extends EntityRaider> extends PathfinderGoal {
+
+-        private final T b;
++        private final T b; private T getRaider() { return b; } // Paper - obfhelper
+
+         public b(T entityraider) { // CraftBukkit - decompile error
+             this.b = entityraider;
+@@ -495,6 +495,8 @@ public abstract class EntityRaider extends EntityMonsterPatrolling {
+
+         @Override
+         public boolean a() {
++            if (!getRaider().world.getGameRules().getBoolean(GameRules.MOB_GRIEFING) || !getRaider().canPickupLoot()) return false; // Paper - respect game and entity rules for picking up items
++
+             Raid raid = this.b.eE();
+
+             if (this.b.eF() && !this.b.eE().a() && this.b.es() && !ItemStack.matches(this.b.getEquipment(EnumItemSlot.HEAD), Raid.s())) {