better comments

This commit is contained in:
Andrew Meadows 2018-03-14 09:14:30 -07:00
parent c61a226bb5
commit 2be0f0fa22
2 changed files with 2 additions and 8 deletions

View file

@ -67,7 +67,6 @@ EntityMotionState::EntityMotionState(btCollisionShape* shape, EntityItemPointer
_accelerationNearlyGravityCount(0),
_numInactiveUpdates(1)
{
// EntityMotionState keeps a SharedPointer to its EntityItem which is only set in the CTOR
_type = MOTIONSTATE_TYPE_ENTITY;
assert(_entity);
assert(entityTreeIsLocked());
@ -81,7 +80,6 @@ EntityMotionState::EntityMotionState(btCollisionShape* shape, EntityItemPointer
EntityMotionState::~EntityMotionState() {
if (_entity) {
// EntityMotionState keeps a SharedPointer to its EntityItem which is only cleared in the DTOR
assert(_entity->getPhysicsInfo() == this);
_entity->setPhysicsInfo(nullptr);
_entity.reset();

View file

@ -99,12 +99,8 @@ protected:
void setShape(const btCollisionShape* shape) override;
void setMotionType(PhysicsMotionType motionType) override;
// In the glorious future (when entities lib depends on physics lib) the EntityMotionState will be
// properly "owned" by the EntityItem and will be deleted by it in the dtor. In pursuit of that
// state of affairs we can't keep a real EntityItemPointer as data member (it would produce a
// recursive dependency). Instead we keep a EntityItemWeakPointer to break that dependency while
// still granting us the capability to generate EntityItemPointers as necessary (for external data
// structures that use the MotionState to get to the EntityItem).
// EntityMotionState keeps a SharedPointer to its EntityItem which is only set in the CTOR
// and is only cleared in the DTOR
EntityItemPointer _entity;
bool _serverVariablesSet { false };