From 18a5cfd10fa6fa2d3b94f1be7edb656f9688ee27 Mon Sep 17 00:00:00 2001
From: Sean Dague <sean@dague.net>
Date: Thu, 17 Jul 2008 20:58:24 +0000
Subject: [PATCH] terrain is close to working, but I still end up at the bottom
 of the sea right now.

---
 .../Data/NHibernate/NHibernateRegionData.cs   |  9 ++----
 .../MySQLDialect/002_RegionStore.sql          |  2 +-
 OpenSim/Data/NHibernate/Terrain.cs            | 31 +++++++++++++------
 3 files changed, 25 insertions(+), 17 deletions(-)

diff --git a/OpenSim/Data/NHibernate/NHibernateRegionData.cs b/OpenSim/Data/NHibernate/NHibernateRegionData.cs
index 2167002287..9d6409eee5 100644
--- a/OpenSim/Data/NHibernate/NHibernateRegionData.cs
+++ b/OpenSim/Data/NHibernate/NHibernateRegionData.cs
@@ -298,13 +298,10 @@ namespace OpenSim.Data.NHibernate
                 Terrain t = session.Load(typeof(Terrain), regionID) as Terrain;
                 return t.Doubles;
             }
-            catch (Exception e)
+            catch (NHibernate.ObjectNotFoundException e)
             {
-                m_log.Error("[NHIBERNATE] issue loading terrain", e);
-                
-                double[,] terret = new double[256,256];
-                terret.Initialize();
-                return terret;
+                m_log.Info("No terrain yet");
+                return null;
             }
         }
 
diff --git a/OpenSim/Data/NHibernate/Resources/MySQLDialect/002_RegionStore.sql b/OpenSim/Data/NHibernate/Resources/MySQLDialect/002_RegionStore.sql
index 4e9c9749c8..fc11e95d3d 100644
--- a/OpenSim/Data/NHibernate/Resources/MySQLDialect/002_RegionStore.sql
+++ b/OpenSim/Data/NHibernate/Resources/MySQLDialect/002_RegionStore.sql
@@ -2,7 +2,7 @@ BEGIN;
 
 CREATE TABLE `Terrain` (
        `RegionID` char(36) not null,
-       `Map` blob,
+       `Map` longblob,
         PRIMARY KEY  (`RegionID`)
 ) ENGINE=InnoDB DEFAULT CHARSET=utf8;
 
diff --git a/OpenSim/Data/NHibernate/Terrain.cs b/OpenSim/Data/NHibernate/Terrain.cs
index 4c184dae3f..a95e45a702 100644
--- a/OpenSim/Data/NHibernate/Terrain.cs
+++ b/OpenSim/Data/NHibernate/Terrain.cs
@@ -27,13 +27,17 @@
 
 using System;
 using System.IO;
+using System.Reflection;
 using OpenSim.Framework;
+using log4net;
 using libsecondlife;
 
 namespace OpenSim.Data.NHibernate 
 {
     public class Terrain
     {
+        private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
+        
         private double[,] map;
         private LLUUID regionID;
         
@@ -70,29 +74,36 @@ namespace OpenSim.Data.NHibernate
 
         private static double[,] parseTerrain(byte[] data)
         {
-            double[,] terret = new double[Constants.RegionSize,Constants.RegionSize];
+            double[,] terret = new double[256,256];
             terret.Initialize();
             
             MemoryStream str = new MemoryStream(data);
             BinaryReader br = new BinaryReader(str);
-            for (int x = 0; x < Constants.RegionSize; x++)
-            {
-                for (int y = 0; y < Constants.RegionSize; y++)
+            try {
+                for (int x = 0; x < 256; x++)
                 {
-                    terret[x, y] = br.ReadDouble();
+                    for (int y = 0; y < 256; y++)
+                    {
+                        terret[x, y] = br.ReadDouble();
+                    }
                 }
+            } 
+            catch (Exception e)
+            {
+                m_log.Error("Issue parsing Map", e);
             }
             return terret;
         }
 
         private static byte[] serializeTerrain(double[,] val)
         {
-            MemoryStream str = new MemoryStream((int)(Constants.RegionSize * Constants.RegionSize * sizeof (double)));
+            MemoryStream str = new MemoryStream((int)(65536 * sizeof (double)));
             BinaryWriter bw = new BinaryWriter(str);
             
             // TODO: COMPATIBILITY - Add byte-order conversions
-            for (int x = 0; x < Constants.RegionSize; x++)
-                for (int y = 0; y < Constants.RegionSize; y++)
+            for (int x = 0; x < 256; x++)
+            {
+                for (int y = 0; y < 256; y++)
                 {
                     double height = val[x, y];
                     if (height <= 0.0)
@@ -100,8 +111,8 @@ namespace OpenSim.Data.NHibernate
                     
                     bw.Write(height);
                 }
-            
-            return (byte[])str.ToArray();
+            }
+            return str.ToArray();
         }
     }
 }
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