1 files changed, 48 insertions, 0 deletions
diff --git a/src/main/kotlin/moe/nea/ledger/modules/ChestDetection.kt b/src/main/kotlin/moe/nea/ledger/modules/ChestDetection.kt
new file mode 100644
index 0000000..48c040a
--- /dev/null
+++ b/src/main/kotlin/moe/nea/ledger/modules/ChestDetection.kt
@@ -0,0 +1,48 @@
+package moe.nea.ledger.modules
+
+import moe.nea.ledger.ItemChange
+import moe.nea.ledger.ItemId
+import moe.nea.ledger.ItemIdProvider
+import moe.nea.ledger.getDisplayNameU
+import moe.nea.ledger.getInternalId
+import moe.nea.ledger.getLore
+import moe.nea.ledger.unformattedString
+import moe.nea.ledger.utils.Inject
+import net.minecraft.init.Blocks
+import net.minecraft.inventory.Slot
+import net.minecraft.item.Item
+import java.time.Instant
+
+abstract class ChestDetection {
+	data class ChestCost(
+		val diff: List<ItemChange>,
+		val timestamp: Instant,
+	)
+
+	@Inject
+	lateinit var itemIdProvider: ItemIdProvider
+	fun scrapeChestReward(rewardSlot: Slot): ChestCost? {
+		val inventory = rewardSlot.inventory
+		if (!inventory.displayName.unformattedText.unformattedString()
+				.endsWith(" Chest")
+		) return null
+		val rewardStack = rewardSlot.stack ?: return null
+		val name = rewardStack.getDisplayNameU()
+		if (name != "§aOpen Reward Chest") return null
+		val lore = rewardStack.getLore()
+		val cost = itemIdProvider.findCostItemsFromSpan(lore)
+		val gain = (9..18)
+			.mapNotNull { inventory.getStackInSlot(it) }
+			.filter { it.item != Item.getItemFromBlock(Blocks.stained_glass_pane) }
+			.map {
+				it.getInternalId()?.withStackSize(it.stackSize)
+					?: itemIdProvider.findStackableItemByName(it.displayName)
+					?: ItemId.NIL.withStackSize(it.stackSize)
+			}
+		return ChestCost(
+			cost.map { ItemChange.lose(it.first, it.second) } + gain.map { ItemChange.gain(it.first, it.second) },
+			Instant.now()
+		)
+	}
+
+}
+\ No newline at end of file