From b88a37949e2ff162b06d603797049d95b7e1f338 Mon Sep 17 00:00:00 2001
From: Jaime Passos <lazymyuutsu@gmail.com>
Date: Sat, 9 Nov 2019 00:08:22 -0300
Subject: [PATCH] Use REDFLR for missing flats

---
 src/p_setup.c | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/src/p_setup.c b/src/p_setup.c
index bf1c7b0f4..2c5305499 100644
--- a/src/p_setup.c
+++ b/src/p_setup.c
@@ -606,11 +606,18 @@ Ploadflat (levelflat_t *levelflat, const char *flatname)
 	{
 		if (( texturenum = R_CheckTextureNumForName(flatname) ) == -1)
 		{
-			/* we can handle REDWALL later */
+			// check for REDWALL
+			if (( texturenum = R_CheckTextureNumForName("REDWALL") ) != -1)
+				goto texturefound;
+			// check for REDFLR
+			else if (( flatnum = R_GetFlatNumForName("REDFLR") ) != LUMPERROR)
+				goto flatfound;
+			// nevermind
 			levelflat->type = LEVELFLAT_NONE;
 		}
 		else
 		{
+texturefound:
 			levelflat->type = LEVELFLAT_TEXTURE;
 			levelflat->u.texture.    num = texturenum;
 			levelflat->u.texture.lastnum = texturenum;
@@ -620,6 +627,7 @@ Ploadflat (levelflat_t *levelflat, const char *flatname)
 	}
 	else
 	{
+flatfound:
 		/* This could be a flat, patch, or PNG. */
 		if (R_CheckIfPatch(flatnum))
 			levelflat->type = LEVELFLAT_PATCH;