From 4663999c243e7ac6f05f3bb6b76fefb2ff285134 Mon Sep 17 00:00:00 2001
From: Sean Dague
Date: Thu, 17 Jul 2008 20:58:20 +0000
Subject: first pass at Terrain implementation

---
 OpenSim/Data/NHibernate/NHibernateRegionData.cs    | 35 ++++++++++++++--------
 .../Resources/MySQLDialect/002_RegionStore.sql     |  9 ++++++
 .../Data/NHibernate/Resources/RegionStore.hbm.xml  |  7 ++++-
 OpenSim/Data/NHibernate/Terrain.cs                 |  6 ++++
 4 files changed, 44 insertions(+), 13 deletions(-)
 create mode 100644 OpenSim/Data/NHibernate/Resources/MySQLDialect/002_RegionStore.sql

diff --git a/OpenSim/Data/NHibernate/NHibernateRegionData.cs b/OpenSim/Data/NHibernate/NHibernateRegionData.cs
index 38c9b9f..fb0a545 100644
--- a/OpenSim/Data/NHibernate/NHibernateRegionData.cs
+++ b/OpenSim/Data/NHibernate/NHibernateRegionData.cs
@@ -120,13 +120,14 @@ namespace OpenSim.Data.NHibernate
             {
                 ICriteria criteria = session.CreateCriteria(typeof(SceneObjectPart));
                 criteria.Add(Expression.Eq("UUID", p.UUID));
-                if (criteria.List().Count < 1) 
+                ArrayList l = (ArrayList)criteria.List();
+                if (l.Count < 1) 
                 {
                     session.Save(p);
                 }
-                else if (criteria.List().Count == 1)
+                else if (l.Count == 1)
                 {
-                    SceneObjectPart old = (SceneObjectPart)criteria.List()[0];
+                    SceneObjectPart old = (SceneObjectPart)l[0];
                     session.Evict(old);
                     session.Update(p);
                 }
@@ -147,13 +148,14 @@ namespace OpenSim.Data.NHibernate
             {
                 ICriteria criteria = session.CreateCriteria(typeof(Terrain));
                 criteria.Add(Expression.Eq("RegionID", t.RegionID));
-                if (criteria.List().Count < 1) 
+                ArrayList l = (ArrayList)criteria.List();
+                if (l.Count < 1) 
                 {
                     session.Save(t);
                 }
-                else if (criteria.List().Count == 1)
+                else if (l.Count == 1)
                 {
-                    Terrain old = (Terrain)criteria.List()[0];
+                    Terrain old = (Terrain)l[0];
                     session.Evict(old);
                     session.Update(t);
                 }
@@ -278,7 +280,8 @@ namespace OpenSim.Data.NHibernate
         /// <param name="regionID">region UUID</param>
         public void StoreTerrain(double[,] ter, LLUUID regionID)
         {
-
+            Terrain t = new Terrain(regionID, ter);
+            SaveOrUpdate(t);
         }
 
         /// <summary>
@@ -288,11 +291,19 @@ namespace OpenSim.Data.NHibernate
         /// <returns>Heightfield data</returns>
         public double[,] LoadTerrain(LLUUID regionID)
         {
-            double[,] terret = new double[256,256];
-            terret.Initialize();
-
-            
-            return terret;
+            try
+            {
+                Terrain t = session.Load(typeof(Terrain), regionID) as Terrain;
+                return t.Doubles;
+            }
+            catch (Exception e)
+            {
+                m_log.Error("[NHIBERNATE] issue loading terrain", e);
+                
+                double[,] terret = new double[256,256];
+                terret.Initialize();
+                return terret;
+            }
         }
 
         /// <summary>
diff --git a/OpenSim/Data/NHibernate/Resources/MySQLDialect/002_RegionStore.sql b/OpenSim/Data/NHibernate/Resources/MySQLDialect/002_RegionStore.sql
new file mode 100644
index 0000000..4e9c974
--- /dev/null
+++ b/OpenSim/Data/NHibernate/Resources/MySQLDialect/002_RegionStore.sql
@@ -0,0 +1,9 @@
+BEGIN;
+
+CREATE TABLE `Terrain` (
+       `RegionID` char(36) not null,
+       `Map` blob,
+        PRIMARY KEY  (`RegionID`)
+) ENGINE=InnoDB DEFAULT CHARSET=utf8;
+
+COMMIT;
\ No newline at end of file
diff --git a/OpenSim/Data/NHibernate/Resources/RegionStore.hbm.xml b/OpenSim/Data/NHibernate/Resources/RegionStore.hbm.xml
index 40d3864..9fc8065 100644
--- a/OpenSim/Data/NHibernate/Resources/RegionStore.hbm.xml
+++ b/OpenSim/Data/NHibernate/Resources/RegionStore.hbm.xml
@@ -103,6 +103,11 @@
           <property name="ExtraParams" type="System.Byte[]" />
           <property name="State" type="System.Byte" />
         </component>
-
+    </class>
+    <class name="OpenSim.Data.NHibernate.Terrain, OpenSim.Data.NHibernate" table="Terrain" lazy="false">
+        <id name="RegionID" type="OpenSim.Data.NHibernate.LLUUIDUserType, OpenSim.Data.NHibernate"> 
+          <generator class="assigned" /> 
+        </id>
+        <property name="Map" type="System.Byte[]" />
     </class>
 </hibernate-mapping>
\ No newline at end of file
diff --git a/OpenSim/Data/NHibernate/Terrain.cs b/OpenSim/Data/NHibernate/Terrain.cs
index f125ae3..4c184da 100644
--- a/OpenSim/Data/NHibernate/Terrain.cs
+++ b/OpenSim/Data/NHibernate/Terrain.cs
@@ -62,6 +62,12 @@ namespace OpenSim.Data.NHibernate
             set { map = parseTerrain(value); }
         }
         
+        public double[,] Doubles
+        {
+            get {return map;}
+            set {map = value;}
+        }
+
         private static double[,] parseTerrain(byte[] data)
         {
             double[,] terret = new double[Constants.RegionSize,Constants.RegionSize];
-- 
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