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BulletSim: change how prim mass is saved so it is always calculated but zero is given if not physical.

0.7.4.1
Robert Adams 2012-07-23 16:31:12 -07:00
parent dda681515b
commit bf6547be01
1 changed files with 23 additions and 20 deletions
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39
OpenSim/Region/Physics/BulletSPlugin/BSPrim.cs
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@ -133,10 +133,7 @@ public sealed class BSPrim : PhysicsActor
_parentPrim = null; // not a child or a parent
_vehicle = new BSDynamics(this); // add vehicleness
_childrenPrims = new List<BSPrim>();
if (_isPhysical)
_mass = CalculateMass();
else
_mass = 0f;
// do the actual object creation at taint time
_scene.TaintedObject(delegate()
{
@ -181,8 +178,8 @@ public sealed class BSPrim : PhysicsActor
_size = value;
_scene.TaintedObject(delegate()
{
if (_isPhysical) _mass = CalculateMass(); // changing size changes the mass
BulletSimAPI.SetObjectScaleMass(_scene.WorldID, _localID, _scale, _mass, _isPhysical);
_mass = CalculateMass(); // changing size changes the mass
BulletSimAPI.SetObjectScaleMass(_scene.WorldID, _localID, _scale, Mass, IsPhysical);
RecreateGeomAndObject();
});
}
@ -192,7 +189,7 @@ public sealed class BSPrim : PhysicsActor
_pbs = value;
_scene.TaintedObject(delegate()
{
if (_isPhysical) _mass = CalculateMass(); // changing the shape changes the mass
_mass = CalculateMass(); // changing the shape changes the mass
RecreateGeomAndObject();
});
}
@ -278,6 +275,8 @@ public sealed class BSPrim : PhysicsActor
child._parentPrim = this; // the child has gained a parent
// RecreateGeomAndObject(); // rebuild my shape with the new child added
LinkAChildToMe(pchild); // build the physical binding between me and the child
_mass = CalculateMass();
}
});
return;
@ -306,6 +305,8 @@ public sealed class BSPrim : PhysicsActor
// RecreateGeomAndObject(); // rebuild my shape with the child removed
UnlinkAChildFromMe(pchild);
}
_mass = CalculateMass();
}
else
{
@ -364,9 +365,17 @@ public sealed class BSPrim : PhysicsActor
});
}
}
// Return the effective mass of the object. Non-physical objects do not have mass.
public override float Mass {
get { return _mass; }
get {
if (IsPhysical)
return _mass;
else
return 0f;
}
}
public override OMV.Vector3 Force {
get { return _force; }
set {
@ -446,6 +455,7 @@ public sealed class BSPrim : PhysicsActor
// Called from Scene when doing simulation step so we're in taint processing time.
public void StepVehicle(float timeStep)
{
if (IsPhysical)
_vehicle.Step(timeStep);
}
@ -543,20 +553,13 @@ public sealed class BSPrim : PhysicsActor
{
// m_log.DebugFormat("{0}: ID={1}, SetObjectDynamic: IsStatic={2}, IsSolid={3}", LogHeader, _localID, IsStatic, IsSolid);
// non-physical things work best with a mass of zero
if (IsStatic)
{
_mass = 0f;
}
else
if (!IsStatic)
{
_mass = CalculateMass();
// If it's dynamic, make sure the hull has been created for it
// This shouldn't do much work if the object had previously been built
RecreateGeomAndObject();
}
DetailLog("{0},SetObjectDynamic,taint,static={1},solid={2},mass={3}", LocalID, IsStatic, IsSolid, _mass);
BulletSimAPI.SetObjectProperties(_scene.WorldID, LocalID, IsStatic, IsSolid, SubscribedEvents(), _mass);
DetailLog("{0},SetObjectDynamic,taint,static={1},solid={2},mass={3}", LocalID, IsStatic, IsSolid, Mass);
BulletSimAPI.SetObjectProperties(_scene.WorldID, LocalID, IsStatic, IsSolid, SubscribedEvents(), Mass);
}
// prims don't fly
@ -1273,7 +1276,7 @@ public sealed class BSPrim : PhysicsActor
shape.Rotation = _orientation;
shape.Velocity = _velocity;
shape.Scale = _scale;
shape.Mass = _isPhysical ? _mass : 0f;
shape.Mass = Mass;
shape.Buoyancy = _buoyancy;
shape.HullKey = _hullKey;
shape.MeshKey = _meshKey;