varregion: send terrain patches from where the avatar outward if the parameter

[Terrain]SendTerrainUpdatesByViewDistance=true.
This tracks which patches have been sent to each client and outputs the
patches as the avatar moves.

2 files changed, 14 insertions, 2 deletions

diff --git a/OpenSim/Region/Framework/Interfaces/ITerrainModule.cs b/OpenSim/Region/Framework/Interfaces/ITerrainModule.cs
index a6f5d98..28f797a 100644
--- a/OpenSim/Region/Framework/Interfaces/ITerrainModule.cs
+++ b/OpenSim/Region/Framework/Interfaces/ITerrainModule.cs
@@ -24,9 +24,10 @@
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
+using System.IO;
 
+using OpenSim.Framework;
 
-using System.IO;
 using OpenMetaverse;
 
 namespace OpenSim.Region.Framework.Interfaces
@@ -44,6 +45,12 @@ namespace OpenSim.Region.Framework.Interfaces
         void TaintTerrain();
         
         /// <summary>
+        /// When a client initially connects, all the terrain must be pushed to the viewer.
+        /// This call causes all the terrain patches to be sent to the client.
+        /// </summary>
+        void PushTerrain(IClientAPI pClient);
+        
+        /// <summary>
         /// Load a terrain from a stream.
         /// </summary>
         /// <param name="filename">
diff --git a/OpenSim/Region/Framework/Scenes/SceneBase.cs b/OpenSim/Region/Framework/Scenes/SceneBase.cs
index 4208669..0445268 100644
--- a/OpenSim/Region/Framework/Scenes/SceneBase.cs
+++ b/OpenSim/Region/Framework/Scenes/SceneBase.cs
@@ -213,7 +213,12 @@ namespace OpenSim.Region.Framework.Scenes
         /// <param name="RemoteClient">Client to send to</param>
         public virtual void SendLayerData(IClientAPI RemoteClient)
         {
-            RemoteClient.SendLayerData(Heightmap.GetFloatsSerialised());
+            // RemoteClient.SendLayerData(Heightmap.GetFloatsSerialised());
+            ITerrainModule terrModule = RequestModuleInterface<ITerrainModule>();
+            if (terrModule != null)
+            {
+                terrModule.PushTerrain(RemoteClient);
+            }
         }
 
         #endregion