Port Herblore plugin to Kotlin

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

@@ -0,0 +1,60 @@
+import CrushableIngredient.Companion.isCrushable
+import NormalIngredient.Companion.isNormalIngredient
+import org.apollo.game.plugin.api.Definitions
+
+/**
+ * A secondary ingredient in a potion.
+ */
+interface Ingredient {
+    val id: Int
+
+    companion object {
+        internal fun Int.isIngredient(): Boolean = isNormalIngredient() || isCrushable()
+    }
+}
+
+enum class CrushableIngredient(val uncrushed: Int, override val id: Int) : Ingredient {
+    UNICORN_HORN(uncrushed = 237, id = 235),
+    DRAGON_SCALE(uncrushed = 243, id = 241),
+    CHOCOLATE_BAR(uncrushed = 1973, id = 1975),
+    BIRDS_NEST(uncrushed = 5075, id = 6693);
+
+    val uncrushedName: String = Definitions.item(uncrushed)!!.name
+
+    companion object {
+        private const val PESTLE_AND_MORTAR = 233
+        private const val KNIFE = 5605
+
+        private val ingredients = CrushableIngredient.values().associateBy(CrushableIngredient::uncrushed)
+        operator fun get(id: Int): CrushableIngredient? = ingredients[id]
+
+        internal fun Int.isCrushable(): Boolean = this in ingredients
+        internal fun Int.isGrindingTool(): Boolean = this == KNIFE || this == PESTLE_AND_MORTAR
+    }
+}
+
+enum class NormalIngredient(override val id: Int) : Ingredient {
+    EYE_NEWT(id = 221),
+    RED_SPIDERS_EGGS(id = 223),
+    LIMPWURT_ROOT(id = 225),
+    SNAPE_GRASS(id = 231),
+    WHITE_BERRIES(id = 239),
+    WINE_ZAMORAK(id = 245),
+    JANGERBERRIES(id = 247),
+    TOADS_LEGS(id = 2152),
+    MORT_MYRE_FUNGI(id = 2970),
+    POTATO_CACTUS(id = 3138),
+    PHOENIX_FEATHER(id = 4621),
+    FROG_SPAWN(id = 5004),
+    PAPAYA_FRUIT(id = 5972),
+    POISON_IVY_BERRIES(id = 6018),
+    YEW_ROOTS(id = 6049),
+    MAGIC_ROOTS(id = 6051);
+
+    companion object {
+        private val ingredients = NormalIngredient.values().associateBy(NormalIngredient::id)
+        operator fun get(id: Int): NormalIngredient? = ingredients[id]
+
+        internal fun Int.isNormalIngredient(): Boolean = this in ingredients
+    }
+}