1 files changed, 32 insertions, 0 deletions
diff --git a/NorthstarDLL/rejectconnectionfixes.cpp b/NorthstarDLL/rejectconnectionfixes.cpp
new file mode 100644
index 00000000..6e08195f
--- /dev/null
+++ b/NorthstarDLL/rejectconnectionfixes.cpp
@@ -0,0 +1,32 @@
+#include "pch.h"
+#include "hoststate.h"
+#include "r2engine.h"
+
+AUTOHOOK_INIT()
+
+// this is called from  when our connection is rejected, this is the only case we're hooking this for
+AUTOHOOK(COM_ExplainDisconnection, engine.dll + 0x1342F0,
+void,, (bool a1, const char* fmt, ...))
+{
+	va_list va;
+	va_start(va, fmt);
+	char buf[4096];
+	vsnprintf_s(buf, 4096, fmt, va);
+	va_end(va);
+
+	// slightly hacky comparison, but patching the function that calls this for reject would be worse
+	if (!strncmp(fmt, "Connection rejected: ", 21))
+	{
+		// when COM_ExplainDisconnection is called from engine.dll + 19ff1c for connection rejected, it doesn't
+		// call Host_Disconnect, which properly shuts down listen server
+		// not doing this gets our client in a pretty weird state so we need to shut it down manually here
+		R2::g_pHostState->m_iNextState = R2::HostState_t::HS_GAME_SHUTDOWN;
+	}
+
+	return COM_ExplainDisconnection(a1, buf);
+}
+
+ON_DLL_LOAD_CLIENT("engine.dll", RejectConnectionFixes, (CModule module))
+{
+	AUTOHOOK_DISPATCH()
+}