From 800081270020e60c612cee9521d18bb4388afdd5 Mon Sep 17 00:00:00 2001
From: "Teravus Ovares (Dan Olivares)" <teravus@gmail.com>
Date: Sat, 15 Aug 2009 13:10:10 -0400
Subject: [PATCH] * part one of adding physics combining

---
 .../CoreModules/Resources/CoreModulePlugin.addin.xml   |  1 +
 OpenSim/Region/Physics/Manager/PhysicsScene.cs         | 10 ++++++++++
 OpenSim/Region/Physics/OdePlugin/OdePlugin.cs          |  9 +++++++++
 3 files changed, 20 insertions(+)

diff --git a/OpenSim/Region/CoreModules/Resources/CoreModulePlugin.addin.xml b/OpenSim/Region/CoreModules/Resources/CoreModulePlugin.addin.xml
index 8e8555944b..e38c755fcf 100644
--- a/OpenSim/Region/CoreModules/Resources/CoreModulePlugin.addin.xml
+++ b/OpenSim/Region/CoreModules/Resources/CoreModulePlugin.addin.xml
@@ -10,6 +10,7 @@
     <Extension path = "/OpenSim/RegionModules">
         <RegionModule id="CapabilitiesModule" type="OpenSim.Region.CoreModules.Agent.Capabilities.CapabilitiesModule" />
         <RegionModule id="TerrainModule" type="OpenSim.Region.CoreModules.World.Terrain.TerrainModule" />
+        <RegionModule id="PhysicsCombiner" type="OpenSim.Region.CoreModules.World.Land.PhysicsCombiner" />
         <RegionModule id="WorldMapModule" type="OpenSim.Region.CoreModules.World.WorldMap.WorldMapModule" />
         <RegionModule id="HGWorldMapModule" type="OpenSim.Region.CoreModules.Hypergrid.HGWorldMapModule" />
         <RegionModule id="UrlModule" type="OpenSim.Region.CoreModules.Scripting.LSLHttp.UrlModule" />
diff --git a/OpenSim/Region/Physics/Manager/PhysicsScene.cs b/OpenSim/Region/Physics/Manager/PhysicsScene.cs
index 6937a25845..139f89869b 100644
--- a/OpenSim/Region/Physics/Manager/PhysicsScene.cs
+++ b/OpenSim/Region/Physics/Manager/PhysicsScene.cs
@@ -162,6 +162,16 @@ namespace OpenSim.Region.Physics.Manager
             return false;
         }
 
+        public virtual bool SupportsCombining()
+        {
+            return false;
+        }
+
+        public virtual void Combine(PhysicsScene pScene, Vector3 offset)
+        {
+            return;
+        }
+
         /// <summary>
         /// Queue a raycast against the physics scene.  
         /// The provided callback method will be called when the raycast is complete
diff --git a/OpenSim/Region/Physics/OdePlugin/OdePlugin.cs b/OpenSim/Region/Physics/OdePlugin/OdePlugin.cs
index e435ac1e8b..81f200afdb 100644
--- a/OpenSim/Region/Physics/OdePlugin/OdePlugin.cs
+++ b/OpenSim/Region/Physics/OdePlugin/OdePlugin.cs
@@ -313,6 +313,9 @@ namespace OpenSim.Region.Physics.OdePlugin
 
         private volatile int m_global_contactcount = 0;
 
+        private Vector3 m_worldOffset = Vector3.Zero;
+        private Vector2 m_worldExtents = new Vector2((int)Constants.RegionSize, (int)Constants.RegionSize);
+
         private ODERayCastRequestManager m_rayCastManager;
 
         /// <summary>
@@ -1653,6 +1656,7 @@ namespace OpenSim.Region.Physics.OdePlugin
         private PhysicsActor AddPrim(String name, PhysicsVector position, PhysicsVector size, Quaternion rotation,
                                      IMesh mesh, PrimitiveBaseShape pbs, bool isphysical)
         {
+            
             PhysicsVector pos = new PhysicsVector(position.X, position.Y, position.Z);
             //pos.X = position.X;
             //pos.Y = position.Y;
@@ -2555,6 +2559,9 @@ namespace OpenSim.Region.Physics.OdePlugin
             if (framecount >= int.MaxValue)
                 framecount = 0;
 
+            if (m_worldOffset != Vector3.Zero)
+                return 0;
+
             framecount++;
 
             float fps = 0;
@@ -3377,6 +3384,8 @@ namespace OpenSim.Region.Physics.OdePlugin
             return waterlevel;
         }
 
+
+
         public override void SetWaterLevel(float baseheight)
         {
             waterlevel = baseheight;