From c52a75aea04a4d1aad32fc632d4584e6de131350 Mon Sep 17 00:00:00 2001
From: Spoike <acceptthis@users.sourceforge.net>
Date: Wed, 15 Jan 2014 02:13:06 +0000
Subject: [PATCH] try to fix a couple of rtlight issues.

git-svn-id: https://svn.code.sf.net/p/fteqw/code/trunk@4581 fc73d0e0-1445-4013-8a0c-d673dee63da5
---
 engine/client/r_surf.c | 3 ++-
 engine/gl/gl_shadow.c  | 2 +-
 2 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/engine/client/r_surf.c b/engine/client/r_surf.c
index 9605311ac..327a0de4f 100644
--- a/engine/client/r_surf.c
+++ b/engine/client/r_surf.c
@@ -1464,7 +1464,7 @@ start:
 	{
 		pleaf = (mleaf_t *)node;
 
-		c = pleaf - cl.worldmodel->leafs;
+		c = (pleaf - cl.worldmodel->leafs)-1;
 		frustumvis[c>>3] |= 1<<(c&7);
 
 		mark = pleaf->firstmarksurface;
@@ -2347,6 +2347,7 @@ void Surf_DrawWorld (void)
 #ifdef TERRAIN
 		if (currentmodel->type == mod_heightmap)
 		{
+			frustumvis = NULL;
 			entvis = surfvis = NULL;
 		}
 		else
diff --git a/engine/gl/gl_shadow.c b/engine/gl/gl_shadow.c
index 3956ade03..b6fe8c013 100644
--- a/engine/gl/gl_shadow.c
+++ b/engine/gl/gl_shadow.c
@@ -343,7 +343,7 @@ static void SHM_Shadow_Cache_Leaf(mleaf_t *leaf)
 {
 	int i;
 
-	i = leaf - cl.worldmodel->leafs;
+	i = (leaf - cl.worldmodel->leafs)-1;
 	sh_shmesh->litleaves[i>>3] |= 1<<(i&7);
 }