From 31c80fa92d0dade1e934aa5fea4d9f313aef97f9 Mon Sep 17 00:00:00 2001
From: Len <40720638+destro174@users.noreply.github.com>
Date: Thu, 1 Sep 2022 10:10:25 +0200
Subject: [PATCH] Prevent dying shopsigns, Fixes #8

---
 .../playershops/listener/ShopListener.java    | 28 +++++++++++++++++++
 1 file changed, 28 insertions(+)

diff --git a/src/main/java/com/alttd/playershops/listener/ShopListener.java b/src/main/java/com/alttd/playershops/listener/ShopListener.java
index e011a35..53d6aa2 100644
--- a/src/main/java/com/alttd/playershops/listener/ShopListener.java
+++ b/src/main/java/com/alttd/playershops/listener/ShopListener.java
@@ -4,7 +4,9 @@ import com.alttd.playershops.PlayerShops;
 import com.alttd.playershops.config.MessageConfig;
 import com.alttd.playershops.handler.ShopHandler;
 import com.alttd.playershops.shop.PlayerShop;
+import com.destroystokyo.paper.MaterialSetTag;
 import org.bukkit.Location;
+import org.bukkit.Material;
 import org.bukkit.Tag;
 import org.bukkit.TreeType;
 import org.bukkit.block.Block;
@@ -18,13 +20,17 @@ import org.bukkit.block.data.type.WallSign;
 import org.bukkit.entity.Player;
 import org.bukkit.event.EventHandler;
 import org.bukkit.event.EventPriority;
+import org.bukkit.event.block.Action;
 import org.bukkit.event.block.BlockBreakEvent;
 import org.bukkit.event.block.BlockPhysicsEvent;
 import org.bukkit.event.block.SignChangeEvent;
 import org.bukkit.event.entity.EntityExplodeEvent;
 import org.bukkit.event.player.PlayerBucketEmptyEvent;
+import org.bukkit.event.player.PlayerInteractEvent;
 import org.bukkit.event.world.StructureGrowEvent;
+import org.bukkit.inventory.EquipmentSlot;
 import org.bukkit.inventory.InventoryHolder;
+import org.bukkit.inventory.ItemStack;
 
 import java.util.Iterator;
 
@@ -207,4 +213,26 @@ public class ShopListener extends EventListener {
 
         event.setCancelled(true);
     }
+
+    @EventHandler(ignoreCancelled = true, priority = EventPriority.HIGHEST)
+    public void onSignDye(PlayerInteractEvent event) {
+        if(!this.isRegistered)
+            return;
+
+        Player player = event.getPlayer();
+        if (!(event.getAction() == Action.RIGHT_CLICK_BLOCK))
+            return;
+
+        Block block = event.getClickedBlock();
+        if (block == null || !Tag.WALL_SIGNS.isTagged(block.getType()))
+            return;
+
+        PlayerShop shop = shopHandler.getShopBySignLocation(block.getLocation());
+        if(shop == null) return;
+
+        ItemStack itemStack = event.getHand() == EquipmentSlot.HAND ? event.getPlayer().getInventory().getItemInMainHand() : event.getPlayer().getInventory().getItemInOffHand();
+        Material material = itemStack.getType();
+        if (material == Material.INK_SAC || material == Material.GLOW_INK_SAC || material.name().endsWith("_DYE")) // TODO create a cache for these?
+            event.setCancelled(true);
+    }
 }