void RigidBody::OnSetEnabled()
{
bool enabled = IsEnabledEffective();
if (enabled && !inWorld_)
AddBodyToWorld();
else if (!enabled && inWorld_)
RemoveBodyFromWorld();
}
void RigidBody::ReleaseBody()
{
if (body_)
{
// Release all constraints which refer to this body
// Make a copy for iteration
PODVector<Constraint*> constraints = constraints_;
for (PODVector<Constraint*>::Iterator i = constraints.Begin(); i != constraints.End(); ++i)
(*i)->ReleaseConstraint();
RemoveBodyFromWorld();
body_.Reset();
}
}
void RigidBody::ReleaseBody()
{
if (body_)
{
// Release all constraints which refer to this body
// Make a copy for iteration
ea::vector<Constraint*> constraints = constraints_;
for (auto i = constraints.begin(); i != constraints.end(); ++i)
(*i)->ReleaseConstraint();
RemoveBodyFromWorld();
body_.reset();
}
}
void RigidBody::AddBodyToWorld()
{
if (!physicsWorld_)
return;
URHO3D_PROFILE(AddBodyToWorld);
if (mass_ < 0.0f)
mass_ = 0.0f;
if (body_)
RemoveBodyFromWorld();
else
{
// Correct inertia will be calculated below
btVector3 localInertia(0.0f, 0.0f, 0.0f);
body_ = new btRigidBody(mass_, this, shiftedCompoundShape_, localInertia);
body_->setUserPointer(this);
// Check for existence of the SmoothedTransform component, which should be created by now in network client mode.
// If it exists, subscribe to its change events
smoothedTransform_ = GetComponent<SmoothedTransform>();
if (smoothedTransform_)
{
SubscribeToEvent(smoothedTransform_, E_TARGETPOSITION, URHO3D_HANDLER(RigidBody, HandleTargetPosition));
SubscribeToEvent(smoothedTransform_, E_TARGETROTATION, URHO3D_HANDLER(RigidBody, HandleTargetRotation));
}
// Check if CollisionShapes already exist in the node and add them to the compound shape.
// Do not update mass yet, but do it once all shapes have been added
PODVector<CollisionShape*> shapes;
node_->GetComponents<CollisionShape>(shapes);
for (PODVector<CollisionShape*>::Iterator i = shapes.Begin(); i != shapes.End(); ++i)
(*i)->NotifyRigidBody(false);
// Check if this node contains Constraint components that were waiting for the rigid body to be created, and signal them
// to create themselves now
PODVector<Constraint*> constraints;
node_->GetComponents<Constraint>(constraints);
for (PODVector<Constraint*>::Iterator i = constraints.Begin(); i != constraints.End(); ++i)
(*i)->CreateConstraint();
}
UpdateMass();
UpdateGravity();
int flags = body_->getCollisionFlags();
if (trigger_)
flags |= btCollisionObject::CF_NO_CONTACT_RESPONSE;
else
flags &= ~btCollisionObject::CF_NO_CONTACT_RESPONSE;
if (kinematic_)
flags |= btCollisionObject::CF_KINEMATIC_OBJECT;
else
flags &= ~btCollisionObject::CF_KINEMATIC_OBJECT;
body_->setCollisionFlags(flags);
body_->forceActivationState(kinematic_ ? DISABLE_DEACTIVATION : ISLAND_SLEEPING);
if (!IsEnabledEffective())
return;
btDiscreteDynamicsWorld* world = physicsWorld_->GetWorld();
world->addRigidBody(body_, (short)collisionLayer_, (short)collisionMask_);
inWorld_ = true;
readdBody_ = false;
if (mass_ > 0.0f)
Activate();
else
{
SetLinearVelocity(Vector3::ZERO);
SetAngularVelocity(Vector3::ZERO);
}
}