From a0cfdb8a9cc31762f0dff3b4076e13fe968d39b3 Mon Sep 17 00:00:00 2001
From: Gregor Richards <hg-yff@gregor.im>
Date: Tue, 13 Sep 2016 20:34:10 -0400
Subject: [PATCH] naks now cause disconnection.

---
 network/netplay/netplay.c | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/network/netplay/netplay.c b/network/netplay/netplay.c
index b3b818266a..79e0f8f212 100644
--- a/network/netplay/netplay.c
+++ b/network/netplay/netplay.c
@@ -217,10 +217,13 @@ static bool netplay_get_cmd(netplay_t *netplay)
    switch (cmd)
    {
       case NETPLAY_CMD_ACK:
-      case NETPLAY_CMD_NAK:
          /* Why are we even bothering? */
          return true;
 
+      case NETPLAY_CMD_NAK:
+         /* Disconnect now! */
+         return false;
+
       case NETPLAY_CMD_INPUT:
          {
             uint32_t buffer[WORDS_PER_FRAME];
@@ -243,8 +246,7 @@ static bool netplay_get_cmd(netplay_t *netplay)
 
             if (buffer[0] != netplay->read_frame_count)
             {
-               /* FIXME: Except on the first (null) frame, this should be
-                * impossible, so maybe just disconnect? */
+               /* Out of order = out of luck */
                return netplay_cmd_nak(netplay);
             }