From 49e735770481276bb8d7844f31211430ba9cc236 Mon Sep 17 00:00:00 2001
From: James R <justsomejames2@gmail.com>
Date: Thu, 27 Jul 2023 17:49:26 -0700
Subject: [PATCH] Add MSF_FLATLIGHTING

---
 src/deh_tables.c | 1 +
 src/p_setup.c    | 2 ++
 src/r_defs.h     | 2 ++
 3 files changed, 5 insertions(+)

diff --git a/src/deh_tables.c b/src/deh_tables.c
index 29724923f..353bae7ab 100644
--- a/src/deh_tables.c
+++ b/src/deh_tables.c
@@ -6004,6 +6004,7 @@ const char *const MSF_LIST[] = {
 	"RIPPLE_FLOOR",
 	"RIPPLE_CEILING",
 	"INVERTENCORE",
+	"FLATLIGHTING",
 	NULL
 };
 
diff --git a/src/p_setup.c b/src/p_setup.c
index ea2fb595d..3a98716dc 100644
--- a/src/p_setup.c
+++ b/src/p_setup.c
@@ -1705,6 +1705,8 @@ static void ParseTextmapSectorParameter(UINT32 i, const char *param, const char
 		sectors[i].flags |= MSF_RIPPLE_CEILING;
 	else if (fastcmp(param, "invertencore") && fastcmp("true", val))
 		sectors[i].flags |= MSF_INVERTENCORE;
+	else if (fastcmp(param, "flatlighting") && fastcmp("true", val))
+		sectors[i].flags |= MSF_FLATLIGHTING;
 	else if (fastcmp(param, "nostepup") && fastcmp("true", val))
 		sectors[i].specialflags |= SSF_NOSTEPUP;
 	else if (fastcmp(param, "doublestepup") && fastcmp("true", val))
diff --git a/src/r_defs.h b/src/r_defs.h
index 634928a59..a33162ac6 100644
--- a/src/r_defs.h
+++ b/src/r_defs.h
@@ -350,6 +350,8 @@ typedef enum
 	MSF_RIPPLE_CEILING          =  1<<11,
 	// invert encore color remap status
 	MSF_INVERTENCORE            =  1<<12,
+	// turn off directional lighting
+	MSF_FLATLIGHTING            =  1<<13,
 } sectorflags_t;
 
 typedef enum