Port Herblore plugin to Kotlin

game/plugin/skills/herblore/src/CrushIngredientAction.kt

@@ -0,0 +1,39 @@
+import org.apollo.game.action.ActionBlock
+import org.apollo.game.action.AsyncAction
+import org.apollo.game.model.Animation
+import org.apollo.game.model.entity.Player
+import java.util.Objects
+
+class CrushIngredientAction(
+    player: Player,
+    private val ingredient: CrushableIngredient
+) : AsyncAction<Player>(0, true, player) {
+
+    override fun action(): ActionBlock = {
+        mob.playAnimation(GRINDING_ANIM)
+        wait(pulses = 1)
+
+        val inventory = mob.inventory
+        if (inventory.remove(ingredient.uncrushed)) {
+            inventory.add(ingredient.id)
+
+            mob.sendMessage("You carefully grind the ${ingredient.uncrushedName} to dust.")
+        }
+
+        stop()
+    }
+
+    override fun equals(other: Any?): Boolean {
+        if (this === other) return true
+        if (javaClass != other?.javaClass) return false
+
+        other as CrushIngredientAction
+        return mob == other.mob && ingredient == other.ingredient
+    }
+
+    override fun hashCode(): Int = Objects.hash(mob, ingredient)
+
+    private companion object {
+        private val GRINDING_ANIM = Animation(364)
+    }
+}