From 49fa45039e7bc3f1964269363c2f770a4fa71ff6 Mon Sep 17 00:00:00 2001
From: LJ Sonic <lamr@free.fr>
Date: Wed, 20 Mar 2024 18:06:19 +0100
Subject: [PATCH] Fix error report when some frames are missing

---
 src/r_things.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/r_things.c b/src/r_things.c
index 5c4698e5d..534ce7368 100644
--- a/src/r_things.c
+++ b/src/r_things.c
@@ -327,7 +327,7 @@ static void MirrorMissingRotations(void)
 	{
 		spriteframe_t *frame = &sprtemp[framenum];
 
-		if (!(frame->rotate & SRF_3DMASK))
+		if (frame->rotate == SRF_NONE || !(frame->rotate & SRF_3DMASK))
 			continue;
 
 		UINT8 numrotations = frame->rotate == SRF_3D ? 8 : 16;