From fae5d25e82aea351899c3d01b5ddb37f33b6852c Mon Sep 17 00:00:00 2001
From: Justin Clarke Casey
Date: Thu, 5 Feb 2009 21:54:22 +0000
Subject: * Apply http://opensimulator.org/mantis/view.php?id=3056 * Clamps
 negative values to zero when a terrain is exported in LLRAW format, since
 LLRAW doesn't support negative values. * Thanks jonc!

---
 .../Region/Environment/Modules/World/Terrain/FileLoaders/LLRAW.cs  | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/OpenSim/Region/Environment/Modules/World/Terrain/FileLoaders/LLRAW.cs b/OpenSim/Region/Environment/Modules/World/Terrain/FileLoaders/LLRAW.cs
index 88dd3a7..5158525 100644
--- a/OpenSim/Region/Environment/Modules/World/Terrain/FileLoaders/LLRAW.cs
+++ b/OpenSim/Region/Environment/Modules/World/Terrain/FileLoaders/LLRAW.cs
@@ -184,6 +184,13 @@ namespace OpenSim.Region.Environment.Modules.World.Terrain.FileLoaders
                 for (int x = 0; x < map.Width; x++)
                 {
                     double t = map[x, (map.Height - 1) - y];
+                    //if height is less than 0, set it to 0 as
+                    //can't save -ve values in a LLRAW file
+                    if (t < 0d)
+                    {
+                        t = 0d;
+                    }
+
                     int index = 0;
 
                     // The lookup table is pre-sorted, so we either find an exact match or
-- 
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