From 04601656ff0a0cf754d5b886649100f737489902 Mon Sep 17 00:00:00 2001
From: Eric Wasylishen <ewasylishen@gmail.com>
Date: Thu, 15 Aug 2019 19:45:51 -0600
Subject: [PATCH] qbsp: Add support for _minlight_excludeN where N is in 2..9

---
 qbsp/map.cc | 16 ++++++++++++----
 1 file changed, 12 insertions(+), 4 deletions(-)

diff --git a/qbsp/map.cc b/qbsp/map.cc
index c383163e..39511d8e 100644
--- a/qbsp/map.cc
+++ b/qbsp/map.cc
@@ -313,11 +313,19 @@ FindTexinfoEnt(mtexinfo_t *texinfo, const mapentity_t *entity)
     if (atoi(ValueForKey(entity, "_minlight")) == -1)
         flags |= TEX_NOMINLIGHT;
 
-    const char *excludeTex = ValueForKey(entity, "_minlight_exclude");
-    if (strlen(excludeTex) > 0 && !Q_strcasecmp(texname, excludeTex)) {
-        flags |= TEX_NOMINLIGHT;
-    }
+    // "_minlight_exclude", "_minlight_exclude2", "_minlight_exclude3"... 
+    for (int i = 0; i <= 9; i++) {
+        std::string key = "_minlight_exclude";
+        if (i > 0) {
+            key += std::to_string(i);
+        }
 
+        const char* excludeTex = ValueForKey(entity, key.c_str());
+        if (strlen(excludeTex) > 0 && !Q_strcasecmp(texname, excludeTex)) {
+            flags |= TEX_NOMINLIGHT;
+        }
+    }
+   
     if (shadow == -1)
         flags |= TEX_NOSHADOW;
     if (!Q_strcasecmp("func_detail_illusionary", ValueForKey(entity, "classname"))) {