From 518a1fda4b5b69f100cba56140aa6c28d576ab76 Mon Sep 17 00:00:00 2001
From: MysterD <myster@d>
Date: Sun, 13 Jun 2021 17:57:54 -0700
Subject: [PATCH] Server makes sure the client can receive the packet before
 sending/tunnelling

---
 src/pc/network/network.c | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/src/pc/network/network.c b/src/pc/network/network.c
index a5b2ba4e..c2311a6b 100644
--- a/src/pc/network/network.c
+++ b/src/pc/network/network.c
@@ -118,6 +118,17 @@ void network_send_to(u8 localIndex, struct Packet* p) {
         assert(localIndex != gNetworkPlayerLocal->localIndex);
     }
 
+    if (gNetworkType == NT_SERVER) {
+        struct NetworkPlayer* np = &gNetworkPlayers[localIndex];
+        // don't send a packet to a player that can't receive it
+        if (p->levelAreaMustMatch) {
+            if (p->courseNum != np->currCourseNum) { return; }
+            if (p->actNum    != np->currActNum)    { return; }
+            if (p->levelNum  != np->currLevelNum)  { return; }
+            if (p->areaIndex != np->currAreaIndex) { return; }
+        }
+    }
+
     // set the flags again
     packet_set_flags(p);