feat(Paper): add left/right-click as valid ConfirmationKey options (gabber235#407)

* Clean ConfirmationKey change for PR

* refactor: merge both click handlers into one class

Author: iamyellowhead

engine/engine-paper/src/main/kotlin/com/typewritermc/engine/paper/entry/dialogue/ConfirmationKey.kt

@@ -13,8 +13,12 @@ import org.bukkit.entity.Player
 import org.bukkit.event.EventHandler
 import org.bukkit.event.EventPriority
 import org.bukkit.event.Listener
+import org.bukkit.event.block.Action
+import org.bukkit.event.player.PlayerInteractEvent
 import org.bukkit.event.player.PlayerSwapHandItemsEvent
 import org.bukkit.event.player.PlayerToggleSneakEvent
+import org.bukkit.inventory.EquipmentSlot
+
 
 private val confirmationKeyString by config(
     "confirmationKey", ConfirmationKey.JUMP.name, comment = """
@@ -37,13 +41,17 @@ enum class ConfirmationKey(val keybind: String) {
     JUMP("<key:key.jump>"),
     SWAP_HANDS("<key:key.swapOffhand>"),
     SNEAK("<key:key.sneak>"),
+    LEFT_CLICK("<key:key.attack>"),
+    RIGHT_CLICK("<key:key.use>"),
     ;
 
     fun handler(player: Player, block: () -> Unit): ConfirmationKeyHandler {
         return when (this) {
             SWAP_HANDS -> SwapHandsHandler(player, block)
             JUMP -> JumpHandler(player, block)
             SNEAK -> SneakHandler(player, block)
+            LEFT_CLICK -> ClickHandler(player, block, Action.LEFT_CLICK_AIR, Action.LEFT_CLICK_BLOCK)
+            RIGHT_CLICK -> ClickHandler(player, block, Action.RIGHT_CLICK_AIR, Action.RIGHT_CLICK_BLOCK)
         }.apply { initialize() }
     }
 
@@ -107,4 +115,16 @@ class SneakHandler(override val player: Player, override val block: () -> Unit)
         event.isCancelled = true
         block()
     }
-}
+}
+
+class ClickHandler(override val player: Player, override val block: () -> Unit, vararg val actions: Action) : ConfirmationKeyHandler {
+    @EventHandler(priority = EventPriority.HIGHEST, ignoreCancelled = true)
+    fun onInteract(event: PlayerInteractEvent) {
+        if (event.player.uniqueId != player.uniqueId) return
+        if (event.hand != EquipmentSlot.HAND) return
+        if (event.action !in actions) return
+        event.isCancelled = true
+        block()
+    }
+}
+