1 files changed, 72 insertions, 0 deletions
diff --git a/src/main/kotlin/moe/nea/ledger/modules/DragonSacrificeDetection.kt b/src/main/kotlin/moe/nea/ledger/modules/DragonSacrificeDetection.kt
new file mode 100644
index 0000000..574cfcf
--- /dev/null
+++ b/src/main/kotlin/moe/nea/ledger/modules/DragonSacrificeDetection.kt
@@ -0,0 +1,72 @@
+package moe.nea.ledger.modules
+
+import moe.nea.ledger.DebouncedValue
+import moe.nea.ledger.ItemChange
+import moe.nea.ledger.ItemId
+import moe.nea.ledger.ItemIdProvider
+import moe.nea.ledger.LedgerEntry
+import moe.nea.ledger.LedgerLogger
+import moe.nea.ledger.SHORT_NUMBER_PATTERN
+import moe.nea.ledger.TransactionType
+import moe.nea.ledger.events.ChatReceived
+import moe.nea.ledger.gen.ItemIds
+import moe.nea.ledger.parseShortNumber
+import moe.nea.ledger.useMatcher
+import moe.nea.ledger.utils.di.Inject
+import net.minecraftforge.fml.common.eventhandler.SubscribeEvent
+import net.minecraftforge.fml.common.gameevent.TickEvent
+import kotlin.time.Duration.Companion.seconds
+
+class DragonSacrificeDetection {
+	//SACRIFICE! You turned Holy Dragon Boots into 30 Dragon Essence!
+	//BONUS LOOT! You also received 17x Holy Dragon Fragment from your sacrifice!
+	@Inject
+	lateinit var itemIdProvider: ItemIdProvider
+
+	@Inject
+	lateinit var logger: LedgerLogger
+
+	val sacrificePattern =
+		"SACRIFICE! You turned (?<sacrifice>.*) into (?<amount>$SHORT_NUMBER_PATTERN) Dragon Essence!".toPattern()
+	val bonusLootPattern = "BONUS LOOT! You also received (?<bonus>.*) from your sacrifice!".toPattern()
+
+	var lastSacrifice: DebouncedValue<LedgerEntry> = DebouncedValue.farFuture()
+
+
+	@SubscribeEvent
+	fun onChat(event: ChatReceived) {
+		sacrificePattern.useMatcher(event.message) {
+			val sacrifice = itemIdProvider.findForName(group("sacrifice")) ?: return
+			val lootEssence = parseShortNumber(group("amount"))
+			consume(lastSacrifice.replace())
+			lastSacrifice = DebouncedValue(LedgerEntry(
+				TransactionType.DRACONIC_SACRIFICE,
+				event.timestamp,
+				listOf(
+					ItemChange.lose(sacrifice, 1),
+					ItemChange.gain(ItemIds.ESSENCE_DRAGON, lootEssence)
+				)
+			))
+		}
+		bonusLootPattern.useMatcher(event.message) {
+			val bonusItem = itemIdProvider.findStackableItemByName(
+				group("bonus"), true
+			) ?: return
+			lastSacrifice.replace()?.let {
+				consume(
+					it.copy(items = it.items + ItemChange.unpairGain(bonusItem))
+				)
+			}
+		}
+	}
+
+	@SubscribeEvent
+	fun onTick(event: TickEvent) {
+		consume(lastSacrifice.consume(4.seconds))
+	}
+
+	fun consume(entry: LedgerEntry?) {
+		if (entry != null)
+			logger.logEntry(entry)
+	}
+}
+\ No newline at end of file