Fix PaperMC#828 (PaperMC#829)

Co-authored-by: kyngs <[email protected]>
fs-vault · Aug 9, 2022 · 3293f7a · 3293f7a
1 parent 6496983
commit 3293f7a
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/proxy/src/main/java/com/velocitypowered/proxy/protocol/StateRegistry.java b/proxy/src/main/java/com/velocitypowered/proxy/protocol/StateRegistry.java
@@ -420,7 +420,9 @@ <P extends MinecraftPacket> void register(Class<P> clazz, Supplier<P> packetSupp
         ProtocolVersion to = current == next ? lastValid != null
                 ? lastValid : getLast(SUPPORTED_VERSIONS) : next.protocolVersion;
 
-        if (from.compareTo(to) >= 0 && from != getLast(SUPPORTED_VERSIONS)) {
+        ProtocolVersion lastInList = lastValid != null ? lastValid : getLast(SUPPORTED_VERSIONS);
+
+        if (from.compareTo(to) >= 0 && from != lastInList) {
           throw new IllegalArgumentException(String.format(
               "Next mapping version (%s) should be lower then current (%s)", to, from));
         }