Bullet 2.81 + Visual Studio 2012, init crash

[137Cs]

Bullet 2.80 works fine. However, I just can't get 2.81 to work. This simple init code:

Code: Select all

PhysicsWorld::PhysicsWorld()
: broadphase(0), collisionConfiguration(0), dispatcher(0), solver(0), dynamicsWorld(0)
{
	collisionConfiguration = new btDefaultCollisionConfiguration();

	dispatcher = new btCollisionDispatcher(collisionConfiguration);

	broadphase = new btDbvtBroadphase();

	btSequentialImpulseConstraintSolver* solver = new btSequentialImpulseConstraintSolver;

	dynamicsWorld = new btDiscreteDynamicsWorld(dispatcher, broadphase, solver, collisionConfiguration);
	dynamicsWorld->setGravity(btVector3(0, -9.82f, 0));
}

Crashes at

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dynamicsWorld = new btDiscreteDynamicsWorld(dispatcher, broadphase, solver, collisionConfiguration);

With the call stack

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 	msvcr110d.dll!_heap_alloc_base(unsigned int size) Line 57	C
 	msvcr110d.dll!_heap_alloc_dbg_impl(unsigned int nSize, int nBlockUse, const char * szFileName, int nLine, int * errno_tmp) Line 431	C++
 	msvcr110d.dll!_nh_malloc_dbg_impl(unsigned int nSize, int nhFlag, int nBlockUse, const char * szFileName, int nLine, int * errno_tmp) Line 239	C++
 	msvcr110d.dll!_nh_malloc_dbg(unsigned int nSize, int nhFlag, int nBlockUse, const char * szFileName, int nLine) Line 302	C++
 	msvcr110d.dll!malloc(unsigned int nSize) Line 56	C++
 	BulletFly.exe!btAllocDefault(unsigned int size) Line 24	C++
 	BulletFly.exe!btAlignedAllocDefault(unsigned int size, int alignment) Line 70	C++
 	BulletFly.exe!btAlignedAllocInternal(unsigned int size, int alignment) Line 163	C++
 	BulletFly.exe!btDiscreteDynamicsWorld::btDiscreteDynamicsWorld(btDispatcher * dispatcher, btBroadphaseInterface * pairCache, btConstraintSolver * constraintSolver, btCollisionConfiguration * collisionConfiguration) Line 227	C++
 	BulletFly.exe!PhysicsWorld::PhysicsWorld() Line 14	C++

What am I doing wrong?

[Erwin Coumans]

Do the unmodified Bullet demos compile and run fine?

If so, it would help if you compare your own program with the demos.

[137Cs]

The demos work fine. The init code is literally the HelloWorld init code, but with changed names.

[137Cs]

Recreating my project from scratch and rebuilding Bullet seems to have fixed it. I still have no rational explanation as to what caused it, though.

[Adriano]

If you remove BT_DOUBLE_PRECISION from your project, you have to recompile the entire Bullet, removing it also from the main project (bulletCollision, BulletDynamics, ...), before you can execute your project.

[Basroil]

If you remove BT_DOUBLE_PRECISION from your project, you have to recompile the entire Bullet, removing it also from the main project (bulletCollision, BulletDynamics, ...), before you can execute your project.

Also an issue if you mix and match MD and MT within the same project. A good reason to always use rebuild after major changes.