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BulletSim: fix not moving physical objects below terrain to over terrain. 

Add locking on register prestep action list preventing potential race conditions.
Little comment and formatting changes.
user_profiles
Robert Adams 2013-01-14 15:46:46 -08:00
parent 8bf0a9f85d
commit 4e1ca890c2
5 changed files with 36 additions and 18 deletions
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2
OpenSim/Region/Physics/BulletSPlugin/BSAPIUnman.cs
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@ -202,7 +202,7 @@ private void BulletLoggerPhysLog(string msg)
}
public override int PhysicsStep(BulletWorld world, float timeStep, int maxSubSteps, float fixedTimeStep,
out int updatedEntityCount, out int collidersCount)
out int updatedEntityCount, out int collidersCount)
{
BulletWorldUnman worldu = world as BulletWorldUnman;
return BSAPICPP.PhysicsStep2(worldu.ptr, timeStep, maxSubSteps, fixedTimeStep, out updatedEntityCount, out collidersCount);

4
OpenSim/Region/Physics/BulletSPlugin/BSCharacter.cs
View File

@ -126,9 +126,9 @@ public sealed class BSCharacter : BSPhysObject
DetailLog("{0},BSCharacter.Destroy", LocalID);
PhysicsScene.TaintedObject("BSCharacter.destroy", delegate()
{
PhysicsScene.Shapes.DereferenceBody(PhysBody, true, null);
PhysicsScene.Shapes.DereferenceBody(PhysBody, true /* inTaintTime */, null /* bodyCallback */);
PhysBody.Clear();
PhysicsScene.Shapes.DereferenceShape(PhysShape, true, null);
PhysicsScene.Shapes.DereferenceShape(PhysShape, true /* inTaintTime */, null /* bodyCallback */);
PhysShape.Clear();
});
}

29
OpenSim/Region/Physics/BulletSPlugin/BSPhysObject.cs
View File

@ -382,10 +382,13 @@ public abstract class BSPhysObject : PhysicsActor
{
string identifier = op + "-" + id.ToString();
// Clean out any existing action
UnRegisterPreStepAction(op, id);
lock (RegisteredActions)
{
// Clean out any existing action
UnRegisterPreStepAction(op, id);
RegisteredActions[identifier] = actn;
RegisteredActions[identifier] = actn;
}
PhysicsScene.BeforeStep += actn;
DetailLog("{0},BSPhysObject.RegisterPreStepAction,id={1}", LocalID, identifier);
}
@ -395,22 +398,28 @@ public abstract class BSPhysObject : PhysicsActor
{
string identifier = op + "-" + id.ToString();
bool removed = false;
if (RegisteredActions.ContainsKey(identifier))
lock (RegisteredActions)
{
PhysicsScene.BeforeStep -= RegisteredActions[identifier];
RegisteredActions.Remove(identifier);
removed = true;
if (RegisteredActions.ContainsKey(identifier))
{
PhysicsScene.BeforeStep -= RegisteredActions[identifier];
RegisteredActions.Remove(identifier);
removed = true;
}
}
DetailLog("{0},BSPhysObject.UnRegisterPreStepAction,id={1},removed={2}", LocalID, identifier, removed);
}
protected void UnRegisterAllPreStepActions()
{
foreach (KeyValuePair<string, BSScene.PreStepAction> kvp in RegisteredActions)
lock (RegisteredActions)
{
PhysicsScene.BeforeStep -= kvp.Value;
foreach (KeyValuePair<string, BSScene.PreStepAction> kvp in RegisteredActions)
{
PhysicsScene.BeforeStep -= kvp.Value;
}
RegisteredActions.Clear();
}
RegisteredActions.Clear();
DetailLog("{0},BSPhysObject.UnRegisterAllPreStepActions,", LocalID);
}

2
OpenSim/Region/Physics/BulletSPlugin/BSPrim.cs
View File

@ -379,7 +379,7 @@ public sealed class BSPrim : BSPhysObject
// If the object is below ground it just has to be moved up because pushing will
// not get it through the terrain
_position.Z = targetHeight;
if (!inTaintTime)
if (inTaintTime)
ForcePosition = _position;
ret = true;
}

17
OpenSim/Region/Physics/BulletSPlugin/BSScene.cs
View File

@ -387,12 +387,14 @@ public sealed class BSScene : PhysicsScene, IPhysicsParameters
if (!m_initialized) return null;
BSCharacter actor = new BSCharacter(localID, avName, this, position, size, isFlying);
lock (PhysObjects) PhysObjects.Add(localID, actor);
lock (PhysObjects)
PhysObjects.Add(localID, actor);
// TODO: Remove kludge someday.
// We must generate a collision for avatars whether they collide or not.
// This is required by OpenSim to update avatar animations, etc.
lock (m_avatars) m_avatars.Add(actor);
lock (m_avatars)
m_avatars.Add(actor);
return actor;
}
@ -408,9 +410,11 @@ public sealed class BSScene : PhysicsScene, IPhysicsParameters
{
try
{
lock (PhysObjects) PhysObjects.Remove(actor.LocalID);
lock (PhysObjects)
PhysObjects.Remove(bsactor.LocalID);
// Remove kludge someday
lock (m_avatars) m_avatars.Remove(bsactor);
lock (m_avatars)
m_avatars.Remove(bsactor);
}
catch (Exception e)
{
@ -419,6 +423,11 @@ public sealed class BSScene : PhysicsScene, IPhysicsParameters
bsactor.Destroy();
// bsactor.dispose();
}
else
{
m_log.ErrorFormat("{0}: Requested to remove avatar that is not a BSCharacter. ID={1}, type={2}",
LogHeader, actor.LocalID, actor.GetType().Name);
}
}
public override void RemovePrim(PhysicsActor prim)