Matter value calculation now account for itemhandler

src/main/kotlin/ru/dbotthepony/mc/otm/container/ItemHandlerSpliterator.kt

@@ -6,7 +6,7 @@ import net.minecraft.world.item.ItemStack
 import net.minecraftforge.items.IItemHandler
 import ru.dbotthepony.mc.otm.core.AwareItemStack
 import ru.dbotthepony.mc.otm.core.ItemHandlerItemStackEntry
-import java.util.Spliterator
+import java.util.*
 import java.util.stream.Stream
 import java.util.stream.StreamSupport
 
@@ -48,6 +48,7 @@ class ItemHandlerAwareSpliterator(private val handler: IItemHandler, offset: Int
 	}
 }
 
+fun IItemHandler.iterator(): Iterator<ItemStack> = Spliterators.iterator(spliterator())
 fun IItemHandler.spliterator(): Spliterator<out ItemStack> = ItemHandlerSpliterator(this)
 fun IItemHandler.awareSpliterator(): Spliterator<out AwareItemStack> = ItemHandlerAwareSpliterator(this)
 fun IItemHandler.stream(): Stream<out ItemStack> = StreamSupport.stream(spliterator(), false)

src/main/kotlin/ru/dbotthepony/mc/otm/matter/MatterManager.kt

@@ -38,6 +38,7 @@ import net.minecraft.world.item.ItemStack
 import net.minecraft.world.item.crafting.Recipe
 import net.minecraft.world.item.crafting.RecipeType
 import net.minecraft.world.level.ItemLike
+import net.minecraftforge.common.capabilities.ForgeCapabilities
 import net.minecraftforge.event.AddReloadListenerEvent
 import net.minecraftforge.event.OnDatapackSyncEvent
 import net.minecraftforge.event.RegisterCommandsEvent
@@ -60,12 +61,16 @@ import ru.dbotthepony.mc.otm.SystemTime
 import ru.dbotthepony.mc.otm.capability.MatteryCapability
 import ru.dbotthepony.mc.otm.capability.drive.IMatteryDrive
 import ru.dbotthepony.mc.otm.client.minecraft
+import ru.dbotthepony.mc.otm.container.iterator
+import ru.dbotthepony.mc.otm.container.spliterator
+import ru.dbotthepony.mc.otm.container.stream
 import ru.dbotthepony.mc.otm.core.ImpreciseFraction
 import ru.dbotthepony.mc.otm.core.TextComponent
 import ru.dbotthepony.mc.otm.core.TranslatableComponent
 import ru.dbotthepony.mc.otm.core.filterNotNull
 import ru.dbotthepony.mc.otm.core.formatMatterFull
 import ru.dbotthepony.mc.otm.core.formatSiComponent
+import ru.dbotthepony.mc.otm.core.ifPresentK
 import ru.dbotthepony.mc.otm.core.isActuallyEmpty
 import ru.dbotthepony.mc.otm.core.isZero
 import ru.dbotthepony.mc.otm.core.orNull
@@ -962,7 +967,7 @@ object MatterManager {
 		return get(value).hasMatterValue
 	}
 
-	private fun get(value: ItemStack, level: Int): IMatterValue {
+	private fun get(value: ItemStack, level: Int, accountForStackSize: Boolean): IMatterValue {
 		if (value.isEmpty) {
 			return IMatterValue.Companion
 		}
@@ -994,7 +999,7 @@ object MatterManager {
 
 		if (drive != null && drive.storageType === OverdriveThatMatters.INSTANCE.ITEM_STORAGE()) {
 			for (item in (drive as IMatteryDrive<ItemStackWrapper>).stacks) {
-				val tuple = get(item.stack.stack, level + 1)
+				val tuple = get(item.stack.stack, level + 1, true)
 
 				if (tuple.hasMatterValue) {
 					matter += tuple
@@ -1003,7 +1008,24 @@ object MatterManager {
 			}
 		}
 
-		if (matter.hasMatterValue && value.count > 1) {
+		value.getCapability(ForgeCapabilities.ITEM_HANDLER).ifPresentK {
+			it.stream().filter { !it.isEmpty }.map { get(it, level + 1, true) }.reduce { a, b ->
+				if (a.hasMatterValue && b.hasMatterValue) {
+					return@reduce MatterValue(a.matter + b.matter, a.complexity + b.complexity)
+				} else if (a.hasMatterValue) {
+					return@reduce a
+				} else if (b.hasMatterValue) {
+					return@reduce b
+				} else {
+					return@reduce IMatterValue.Companion
+				}
+			}.ifPresent {
+				matter += it
+				undamagedMatterValue += it
+			}
+		}
+
+		if (matter.hasMatterValue && value.count > 1 && accountForStackSize) {
 			return MatterValue(matter.matter + undamagedMatterValue.matter * (value.count - 1), matter.complexity + undamagedMatterValue.complexity * (value.count - 1))
 		}
 
@@ -1014,8 +1036,9 @@ object MatterManager {
 	 * Matter value for itemstack, accounting for capabilities and stack size
 	 */
 	@JvmStatic
-	fun get(value: ItemStack): IMatterValue {
+	@JvmOverloads
-		return get(value, 0)
+	fun get(value: ItemStack, accountForStackSize: Boolean = true): IMatterValue {
+		return get(value, 0, accountForStackSize)
 	}
 
 	@JvmStatic
@@ -1159,6 +1182,9 @@ object MatterManager {
 		fun find(server: MinecraftServer, json: JsonObject): Stream<ResolvedRecipe>
 	}
 
+	/**
+	 * Please use exclusively inside recipe finder
+	 */
 	@JvmStatic
 	fun getDirect(value: Item): IMatterValue {
 		return Registry.direct(value)