add rest of wiring for terrain bake persistent store (mantis 8024 but not

using its code). Only did minor testing in MySQL

OpenSim/Region/CoreModules/World/Terrain/TerrainModule.cs

@@ -231,20 +231,27 @@ namespace OpenSim.Region.CoreModules.World.Terrain
             // Install terrain module in the simulator
             lock(m_scene)
             {
+                if(m_scene.Bakedmap != null)
+                {
+                    m_baked = m_scene.Bakedmap;
+                }
                 if (m_scene.Heightmap == null)
                 {
-                    m_channel = new TerrainChannel(m_InitialTerrain, (int)m_scene.RegionInfo.RegionSizeX,
+                    if(m_baked != null)
+                        m_channel = m_baked.MakeCopy();
+                    else
+                        m_channel = new TerrainChannel(m_InitialTerrain, 
+                                                (int)m_scene.RegionInfo.RegionSizeX,
                                                 (int)m_scene.RegionInfo.RegionSizeY,
                                                 (int)m_scene.RegionInfo.RegionSizeZ);
                     m_scene.Heightmap = m_channel;
-
-                    UpdateBakedMap();
                 }
                 else
                 {
                     m_channel = m_scene.Heightmap;
-                    UpdateBakedMap();
                 }
+                if(m_baked == null)
+                    UpdateBakedMap();
 
                 m_scene.RegisterModuleInterface<ITerrainModule>(this);
                 m_scene.EventManager.OnNewClient += EventManager_OnNewClient;
@@ -724,6 +731,8 @@ namespace OpenSim.Region.CoreModules.World.Terrain
             m_baked = m_channel.MakeCopy();
             m_painteffects[StandardTerrainEffects.Revert] = new RevertSphere(m_baked);
             m_floodeffects[StandardTerrainEffects.Revert] = new RevertArea(m_baked);
+            m_scene.Bakedmap = m_baked;
+            m_scene.SaveBakedTerrain();
         }
 
         /// <summary>

OpenSim/Region/Framework/Scenes/Scene.cs

@@ -2175,6 +2175,15 @@ namespace OpenSim.Region.Framework.Scenes
             SimulationDataService.StoreTerrain(Heightmap.GetTerrainData(), RegionInfo.RegionID);
         }
 
+        /// <summary>
+        /// Store the terrain in the persistant data store
+        /// </summary>
+        public void SaveBakedTerrain()
+        {
+            if(Bakedmap != null)
+                SimulationDataService.StoreBakedTerrain(Bakedmap.GetTerrainData(), RegionInfo.RegionID);
+        }
+
         public void StoreWindlightProfile(RegionLightShareData wl)
         {
             RegionInfo.WindlightSettings = wl;
@@ -2193,10 +2202,33 @@ namespace OpenSim.Region.Framework.Scenes
         /// </summary>
         public override void LoadWorldMap()
         {
+            try
+            {
+                Bakedmap = null;
+                TerrainData map = SimulationDataService.LoadBakedTerrain(RegionInfo.RegionID, (int)RegionInfo.RegionSizeX, (int)RegionInfo.RegionSizeY, (int)RegionInfo.RegionSizeZ);
+                if (map != null)
+                {
+                    Bakedmap = new TerrainChannel(map);
+                }
+            }
+            catch (Exception e)
+            {
+                m_log.WarnFormat(
+                    "[TERRAIN]: Scene.cs: LoadWorldMap() baked terrain - Failed with exception {0}{1}", e.Message, e.StackTrace);
+            }
+
             try
             {
                 TerrainData map = SimulationDataService.LoadTerrain(RegionInfo.RegionID, (int)RegionInfo.RegionSizeX, (int)RegionInfo.RegionSizeY, (int)RegionInfo.RegionSizeZ);
                 if (map == null)
+                {
+                    if(Bakedmap != null)
+                    {
+                        m_log.Warn("[TERRAIN]: terrain not found. Used stored baked terrain.");     
+                        Heightmap = Bakedmap.MakeCopy();
+                        SimulationDataService.StoreTerrain(Heightmap.GetTerrainData(), RegionInfo.RegionID);
+                    }
+                    else
                     {
                         // This should be in the Terrain module, but it isn't because
                         // the heightmap is needed _way_ before the modules are initialized...
@@ -2210,6 +2242,7 @@ namespace OpenSim.Region.Framework.Scenes
 
                         SimulationDataService.StoreTerrain(Heightmap.GetTerrainData(), RegionInfo.RegionID);
                     }
+                }
                 else
                 {
                     Heightmap = new TerrainChannel(map);
@@ -2221,7 +2254,6 @@ namespace OpenSim.Region.Framework.Scenes
                     "[TERRAIN]: Scene.cs: LoadWorldMap() - Regenerating as failed with exception {0}{1}",
                     e.Message, e.StackTrace);
 
-                // Non standard region size.    If there's an old terrain in the database, it might read past the buffer
 #pragma warning disable 0162
                 if ((int)Constants.RegionSize != 256)
                 {
@@ -2235,6 +2267,12 @@ namespace OpenSim.Region.Framework.Scenes
                 m_log.WarnFormat(
                     "[TERRAIN]: Scene.cs: LoadWorldMap() - Failed with exception {0}{1}", e.Message, e.StackTrace);
             }
+
+            if(Bakedmap == null && Heightmap != null)
+            {
+                Bakedmap = Heightmap.MakeCopy();
+                SimulationDataService.StoreBakedTerrain(Bakedmap.GetTerrainData(), RegionInfo.RegionID);
+            }
         }
 
         /// <summary>

OpenSim/Region/Framework/Scenes/SceneBase.cs

@@ -153,6 +153,7 @@ namespace OpenSim.Region.Framework.Scenes
         }
 
         public ITerrainChannel Heightmap;
+        public ITerrainChannel Bakedmap;
 
         /// <value>
         /// Allows retrieval of land information for this scene.