From 6f927d60c8092735b06b69a9f72059b887d111d7 Mon Sep 17 00:00:00 2001
From: Rachael Alexanderson <madame-rachelle@users.noreply.github.com>
Date: Sat, 4 Jan 2025 12:19:54 -0500
Subject: [PATCH] - don't allow `vid_dontdowait` if neither `vid_vsync` is true
 nor `vid_maxfps` is set, in order to prevent coil whine

---
 src/d_net.cpp | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/src/d_net.cpp b/src/d_net.cpp
index f4303ff876b..d7eb63bd5bf 100644
--- a/src/d_net.cpp
+++ b/src/d_net.cpp
@@ -75,7 +75,9 @@
 
 EXTERN_CVAR (Int, disableautosave)
 EXTERN_CVAR (Int, autosavecount)
-EXTERN_CVAR(Bool, cl_capfps)
+EXTERN_CVAR (Bool, cl_capfps)
+EXTERN_CVAR (Bool, vid_vsync)
+EXTERN_CVAR (Int, vid_maxfps)
 
 //#define SIMULATEERRORS		(RAND_MAX/3)
 #define SIMULATEERRORS			0
@@ -1880,7 +1882,7 @@ void TryRunTics (void)
 
 	bool doWait = (cl_capfps || pauseext || (r_NoInterpolate && !M_IsAnimated()));
 
-	if (vid_dontdowait)
+	if (vid_dontdowait && ((vid_maxfps > 0) || (vid_vsync == true)))
 		doWait = false;
 
 	// get real tics