From 9e9cac41ee4a3bd1b41300886b8b695ca19dc637 Mon Sep 17 00:00:00 2001
From: DBotThePony <dbotthepony@yandex.ru>
Date: Sun, 6 Nov 2022 12:22:56 +0700
Subject: [PATCH] Use unmodifiable map

---
 src/main/kotlin/ru/dbotthepony/mc/otm/matter/MatterManager.kt | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/main/kotlin/ru/dbotthepony/mc/otm/matter/MatterManager.kt b/src/main/kotlin/ru/dbotthepony/mc/otm/matter/MatterManager.kt
index 4f208b589..c984c7e55 100644
--- a/src/main/kotlin/ru/dbotthepony/mc/otm/matter/MatterManager.kt
+++ b/src/main/kotlin/ru/dbotthepony/mc/otm/matter/MatterManager.kt
@@ -45,6 +45,7 @@ import ru.dbotthepony.mc.otm.core.set
 import ru.dbotthepony.mc.otm.data.stream
 import ru.dbotthepony.mc.otm.storage.ItemStackWrapper
 import java.math.BigInteger
+import java.util.Collections
 import java.util.stream.Stream
 import kotlin.math.pow
 
@@ -753,6 +754,7 @@ object MatterManager : SimpleJsonResourceReloadListener(GsonBuilder().setPrettyP
 	private val keyEntries = HashMap<ResourceLocation, KeyEntry>()
 	private val tagEntries = ArrayList<TagEntry>()
 	private val computedEntries = Reference2ObjectOpenHashMap<Item, Entry>()
+	val computedEntriesView: Map<Item, Entry> = Collections.unmodifiableMap(computedEntries)
 
 	/**
 	 * Returns directly defined matter value
@@ -794,7 +796,7 @@ object MatterManager : SimpleJsonResourceReloadListener(GsonBuilder().setPrettyP
 
 	@JvmStatic
 	fun stream(): Stream<Map.Entry<Item, Entry>> {
-		return computedEntries.entries.stream().filter { it.value.hasMatterValue }
+		return computedEntriesView.entries.stream().filter { it.value.hasMatterValue }
 	}
 
 	private var resolvedEverything = false