Paper/Remapped-Spigot-Server-Patches/0639-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 3460fb2bb1451b8456a7fe42449ec4dbce641f40..0dc1b0b7181c0f93dcf6213c63baffcd4694d70c 100644
--- a/src/main/java/net/minecraft/world/inventory/LoomMenu.java
+++ b/src/main/java/net/minecraft/world/inventory/LoomMenu.java
@@ -20,6 +20,7 @@ import org.bukkit.craftbukkit.inventory.CraftInventoryLoom;
 import org.bukkit.craftbukkit.inventory.CraftInventoryView;
 import org.bukkit.entity.Player;
 // CraftBukkit end
+import io.papermc.paper.event.player.PlayerLoomPatternSelectEvent; // Paper
 
 public class LoomMenu extends AbstractContainerMenu {
 
@@ -39,7 +40,7 @@ public class LoomMenu extends AbstractContainerMenu {
     }
     // CraftBukkit end
     private final ContainerLevelAccess access;
-    private final DataSlot selectedBannerPatternIndex;
+    private final DataSlot selectedBannerPatternIndex; public final DataSlot getSelectedBannerPattern() { return this.selectedBannerPatternIndex; }; // Paper - OBFHELPER
     private Runnable slotUpdateListener;
     private final Slot bannerSlot;
     private final Slot dyeSlot;
@@ -158,7 +159,22 @@ 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;
+            PlayerLoomPatternSelectEvent event = new PlayerLoomPatternSelectEvent((Player) player.getBukkitEntity(), ((CraftInventoryLoom) getBukkitView().getTopInventory()), org.bukkit.block.banner.PatternType.getByIdentifier(BannerPattern.values()[id].getIdentifier()));
+            if (!event.callEvent()) {
+                ((Player) player.getBukkitEntity()).updateInventory();
+                return false;
+            }
+            for (BannerPattern nms : BannerPattern.values()) {
+                if (event.getPatternType().getIdentifier().equals(nms.getIdentifier())) {
+                    enumBannerPatternTypeOrdinal = nms.ordinal();
+                    break;
+                }
+            }
+            ((Player) player.getBukkitEntity()).updateInventory();
+            this.getSelectedBannerPattern().set(enumBannerPatternTypeOrdinal);
+            // Paper end
             this.setupResultSlot();
             return true;
         } else {
diff --git a/src/main/java/net/minecraft/world/level/block/entity/BannerPattern.java b/src/main/java/net/minecraft/world/level/block/entity/BannerPattern.java
index 9ea01d5888a21b0dedb555d118a4dc07af2b50fd..9ee3f8bb2294fc552735a64efbddf661d39602c7 100644
--- a/src/main/java/net/minecraft/world/level/block/entity/BannerPattern.java
+++ b/src/main/java/net/minecraft/world/level/block/entity/BannerPattern.java
@@ -33,6 +33,7 @@ public enum BannerPattern {
         this.hasPatternItem = flag;
     }
 
+    public String getIdentifier() { return this.getHashname(); } // Paper - OBFHELPER
     public String getHashname() {
         return this.hashname;
     }