From 3bfe7b74f4e4220fdec2d36fc96817a4d9b51f49 Mon Sep 17 00:00:00 2001
From: Randy Heit <rheit@zdoom.fake>
Date: Thu, 23 Aug 2012 01:40:00 +0000
Subject: [PATCH] - Fixed: side_t::SetTextureYScale() did not allow negative
 scales, even though they are perfectly valid for flipping a texture
 vertically.

SVN r3850 (trunk)
---
 src/r_defs.h | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/r_defs.h b/src/r_defs.h
index 27c578e56..c43b6be83 100644
--- a/src/r_defs.h
+++ b/src/r_defs.h
@@ -850,11 +850,11 @@ struct side_t
 
 	void SetTextureYScale(int which, fixed_t scale)
 	{
-		textures[which].yscale = scale <= 0? FRACUNIT : scale;
+		textures[which].yscale = scale == 0 ? FRACUNIT : scale;
 	}
 	void SetTextureYScale(fixed_t scale)
 	{
-		textures[top].yscale = textures[mid].yscale = textures[bottom].yscale = scale <= 0? FRACUNIT : scale;
+		textures[top].yscale = textures[mid].yscale = textures[bottom].yscale = scale == 0 ? FRACUNIT : scale;
 	}
 	fixed_t GetTextureYScale(int which) const
 	{