Add locator function to adoption papers

src/main/kotlin/ch/offbeatwit/bestbuds/modules/AdoptionModule.kt

@@ -2,6 +2,7 @@ package ch.offbeatwit.bestbuds.modules
 
 import ch.offbeatwit.bestbuds.ADOPTION_OWNER
 import ch.offbeatwit.bestbuds.ADOPTION_TARGET
+import ch.offbeatwit.bestbuds.inTicks
 import ch.offbeatwit.bestbuds.isOwnerOf
 import ch.offbeatwit.bestbuds.managers.Context
 import ch.offbeatwit.bestbuds.pet.PetInfo
@@ -17,9 +18,13 @@ import org.bukkit.entity.Tameable
 import org.bukkit.event.EventHandler
 import org.bukkit.event.Listener
 import org.bukkit.event.player.PlayerInteractEntityEvent
+import org.bukkit.event.player.PlayerInteractEvent
 import org.bukkit.inventory.EquipmentSlot
 import org.bukkit.inventory.ItemStack
 import org.bukkit.inventory.meta.BookMeta
+import org.bukkit.potion.PotionEffect
+import org.bukkit.potion.PotionEffectType
+import kotlin.time.Duration.Companion.seconds
 
 class AdoptionModule(ctx: Context) : BestBudsModule(ctx), Listener {
     val adoptionItem = Material.PAPER
@@ -39,6 +44,27 @@ class AdoptionModule(ctx: Context) : BestBudsModule(ctx), Listener {
         }
     }
 
+    @EventHandler
+    fun onLocate(ev: PlayerInteractEvent) {
+        if (!ev.action.isRightClick || !ev.player.isSneaking) return
+
+        val held = ev.item
+        if (held != null && held.type == Material.WRITTEN_BOOK) {
+            val bookTarget = held.persistentDataContainer[ADOPTION_TARGET, UUIDDataType]
+                ?.let { ev.player.world.getEntity(it) }
+                ?: return
+
+            if (bookTarget is Tameable) {
+                ev.isCancelled = true
+                val info = PetInfo(bookTarget)
+
+                ev.player.sendPotionEffectChange(bookTarget,
+                    PotionEffect(PotionEffectType.GLOWING, 5.seconds.inTicks.toInt(), 1))
+                ev.player.sendActionBar(tr("Highlighted ").append(info.nameComponent))
+            }
+        }
+    }
+
     fun setupAdoption(sender: Player, hand: EquipmentSlot, pet: Tameable) {
         val info = PetInfo(pet)
         val stack = sender.inventory.getItem(hand)