Paper/patches/server/0571-Added-PlayerLoomPatternSelectEvent.patch

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Jake Potrebic <jake.m.potrebic@gmail.com>
Date: Wed, 25 Nov 2020 16:33:27 -0800
Subject: [PATCH] Added PlayerLoomPatternSelectEvent


diff --git a/src/main/java/net/minecraft/world/inventory/LoomMenu.java b/src/main/java/net/minecraft/world/inventory/LoomMenu.java
index fba8c59071847d9669943534ff8a0898b5787c28..1fefb682d34ab165444c45439dbc1ea28dc9079f 100644
--- a/src/main/java/net/minecraft/world/inventory/LoomMenu.java
+++ b/src/main/java/net/minecraft/world/inventory/LoomMenu.java
@@ -168,7 +168,22 @@ public class LoomMenu extends AbstractContainerMenu {
     @Override
     public boolean clickMenuButton(net.minecraft.world.entity.player.Player player, int id) {
         if (id > 0 && id <= BannerPattern.AVAILABLE_PATTERNS) {
-            this.selectedBannerPatternIndex.set(id);
+            // Paper start
+            int enumBannerPatternTypeOrdinal = id;
+            io.papermc.paper.event.player.PlayerLoomPatternSelectEvent event = new io.papermc.paper.event.player.PlayerLoomPatternSelectEvent((Player) player.getBukkitEntity(), ((CraftInventoryLoom) getBukkitView().getTopInventory()), org.bukkit.block.banner.PatternType.getByIdentifier(BannerPattern.values()[id].getHashname()));
+            if (!event.callEvent()) {
+                ((Player) player.getBukkitEntity()).updateInventory();
+                return false;
+            }
+            for (BannerPattern nms : BannerPattern.values()) {
+                if (event.getPatternType().getIdentifier().equals(nms.getHashname())) {
+                    enumBannerPatternTypeOrdinal = nms.ordinal();
+                    break;
+                }
+            }
+            ((Player) player.getBukkitEntity()).updateInventory();
+            this.selectedBannerPatternIndex.set(enumBannerPatternTypeOrdinal);
+            // Paper end
             this.setupResultSlot();
             return true;
         } else {