* Changes the timstep of the bullet world

* Enables border crossings when using the BulletDotNETPlugin 
* Enabled variable time steps in BulletDotNETPlugin
* Still no 'linked physical objects' yet
* Still no script engine integration

2 files changed, 12 insertions, 11 deletions

diff --git a/OpenSim/Region/Physics/BulletDotNETPlugin/BulletDotNETCharacter.cs b/OpenSim/Region/Physics/BulletDotNETPlugin/BulletDotNETCharacter.cs
index 03646e5..c584cd6 100644
--- a/OpenSim/Region/Physics/BulletDotNETPlugin/BulletDotNETCharacter.cs
+++ b/OpenSim/Region/Physics/BulletDotNETPlugin/BulletDotNETCharacter.cs
@@ -1019,10 +1019,10 @@ namespace OpenSim.Region.Physics.BulletDotNETPlugin
             PhysicsVector vec = new PhysicsVector(tempVector1.getX(),tempVector1.getY(),tempVector1.getZ());
 
             //  kluge to keep things in bounds.  ODE lets dead avatars drift away (they should be removed!)
-            if (vec.X < 0.0f) vec.X = 0.0f;
-            if (vec.Y < 0.0f) vec.Y = 0.0f;
-            if (vec.X > (int)Constants.RegionSize - 0.2f) vec.X = (int)Constants.RegionSize - 0.2f;
-            if (vec.Y > (int)Constants.RegionSize - 0.2f) vec.Y = (int)Constants.RegionSize - 0.2f;
+            if (vec.X < -10.0f) vec.X = 0.0f;
+            if (vec.Y < -10.0f) vec.Y = 0.0f;
+            if (vec.X > (int)Constants.RegionSize + 10.2f) vec.X = (int)Constants.RegionSize + 10.2f;
+            if (vec.Y > (int)Constants.RegionSize + 10.2f) vec.Y = (int)Constants.RegionSize + 10.2f;
 
             m_position.X = vec.X;
             m_position.Y = vec.Y;
diff --git a/OpenSim/Region/Physics/BulletDotNETPlugin/BulletDotNETScene.cs b/OpenSim/Region/Physics/BulletDotNETPlugin/BulletDotNETScene.cs
index 49a16a0..5c2db53 100644
--- a/OpenSim/Region/Physics/BulletDotNETPlugin/BulletDotNETScene.cs
+++ b/OpenSim/Region/Physics/BulletDotNETPlugin/BulletDotNETScene.cs
@@ -73,8 +73,8 @@ namespace OpenSim.Region.Physics.BulletDotNETPlugin
         private float avStandupTensor = 2000000f;
         private float avDensity = 80f;
         private float avHeightFudgeFactor = 0.52f;
-        private float avMovementDivisorWalk = 1.0f;
-        private float avMovementDivisorRun = 0.75f;
+        private float avMovementDivisorWalk = 1.8f;
+        private float avMovementDivisorRun = 0.8f;
 
         private float minimumGroundFlightOffset = 3f;
 
@@ -99,8 +99,8 @@ namespace OpenSim.Region.Physics.BulletDotNETPlugin
         private bool usingGImpactAlgorithm = false;
 
         private IConfigSource m_config;
-        private readonly btVector3 worldAabbMin = new btVector3(0, 0, 0);
-        private readonly btVector3 worldAabbMax = new btVector3(Constants.RegionSize, Constants.RegionSize , 9000);
+        private readonly btVector3 worldAabbMin = new btVector3(-10f, -10f, 0);
+        private readonly btVector3 worldAabbMax = new btVector3((int)Constants.RegionSize + 10f, (int)Constants.RegionSize + 10f, 9000);
 
         public IMesher mesher;
 
@@ -245,6 +245,7 @@ namespace OpenSim.Region.Physics.BulletDotNETPlugin
 
         public override float Simulate(float timeStep)
         {
+            
             lock (m_taintedActors)
             {
                 foreach (PhysicsActor act in m_taintedActors)
@@ -273,7 +274,7 @@ namespace OpenSim.Region.Physics.BulletDotNETPlugin
                     prim.Move(timeStep);
                 }
             }
-            float steps = m_world.stepSimulation(WorldTimeStep, 5, WorldTimeComp);
+            float steps = m_world.stepSimulation(timeStep * 10, 10, WorldTimeComp);
 
             foreach (BulletDotNETCharacter chr in m_characters)
             {
@@ -513,8 +514,8 @@ namespace OpenSim.Region.Physics.BulletDotNETPlugin
             // Is there any reason that we don't do this in ScenePresence?   
             // The only physics engine that benefits from it in the physics plugin is this one
 
-            if ((int)x > Constants.RegionSize || (int)y > Constants.RegionSize ||
-                (int)x < 0.001f || (int)y < 0.001f)
+            if (x > (int)Constants.RegionSize || y > (int)Constants.RegionSize ||
+                x < 0.001f || y < 0.001f)
                 return 0;
 
             return _origheightmap[(int)y * Constants.RegionSize + (int)x];