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BulletSim: Properly regenerate hulls when objects made physical. 

This fixes the problem of non-base shapes (cubes and spheres)
    falling through the terrain.
integration
Robert Adams 2012-08-17 14:45:18 -07:00
parent f57c1ac386
commit 7243d4f842
2 changed files with 33 additions and 17 deletions
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34
OpenSim/Region/Physics/BulletSPlugin/BSPrim.cs
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@ -481,11 +481,8 @@ public sealed class BSPrim : PhysicsActor
// No locking here because only called when it is safe
private void SetObjectDynamic()
{
// RA: remove this for the moment.
// The problem is that dynamic objects are hulls so if we are becoming physical
// the shape has to be checked and possibly built.
// Maybe a VerifyCorrectPhysicalShape() routine?
// RecreateGeomAndObject();
// If it's becoming dynamic, it will need hullness
VerifyCorrectPhysicalShape();
// Bullet wants static objects to have a mass of zero
float mass = IsStatic ? 0f : _mass;
@ -1214,6 +1211,27 @@ public sealed class BSPrim : PhysicsActor
return;
}
private void VerifyCorrectPhysicalShape()
{
if (IsStatic)
{
// if static, we don't need a hull so, if there is one, rebuild without it
if (_hullKey != 0)
{
RecreateGeomAndObject();
}
}
else
{
// if not static, it will need a hull to efficiently collide with things
if (_hullKey == 0)
{
RecreateGeomAndObject();
}
}
}
// Create an object in Bullet if it has not already been created
// No locking here because this is done when the physics engine is not simulating
// Returns 'true' if an object was actually created.
@ -1338,10 +1356,8 @@ public sealed class BSPrim : PhysicsActor
_acceleration = entprop.Acceleration;
_rotationalVelocity = entprop.RotationalVelocity;
// m_log.DebugFormat("{0}: RequestTerseUpdate. id={1}, ch={2}, pos={3}, rot={4}, vel={5}, acc={6}, rvel={7}",
// LogHeader, LocalID, changed, _position, _orientation, _velocity, _acceleration, _rotationalVelocity);
// DetailLog("{0},BSPrim.UpdateProperties,call,pos={1},orient={2},vel={3},accel={4},rotVel={5}",
// LocalID, _position, _orientation, _velocity, _acceleration, _rotationalVelocity);
DetailLog("{0},BSPrim.UpdateProperties,call,pos={1},orient={2},vel={3},accel={4},rotVel={5}",
LocalID, _position, _orientation, _velocity, _acceleration, _rotationalVelocity);
base.RequestPhysicsterseUpdate();
}