Method createInstance

deps/physx/physx/source/foundation/src/PsFoundation.cpp:125–169

}

Foundation* Foundation::createInstance(PxU32 version, PxErrorCallback& errc, PxAllocatorCallback& alloc)
{
	if(version != PX_PHYSICS_VERSION)
	{
		char* buffer = new char[256];
		physx::shdfnd::snprintf(buffer, 256, "Wrong version: physics version is 0x%08x, tried to create 0x%08x",
			PX_PHYSICS_VERSION, version);
		errc.reportError(PxErrorCode::eINVALID_PARAMETER, buffer, __FILE__, __LINE__);
		return 0;
	}

	if(!mInstance)
	{
		// if we don't assign this here, the Foundation object can't create member
		// subobjects which require the allocator

		mInstance = reinterpret_cast<Foundation*>(alloc.allocate(sizeof(Foundation), "Foundation", __FILE__, __LINE__));

		if(mInstance)
		{
			PX_PLACEMENT_NEW(mInstance, Foundation)(errc, alloc);

			PX_ASSERT(mRefCount == 0);
			mRefCount = 1;

			// skip 0 which marks uninitialized timestaps in PX_WARN_ONCE
			mWarnOnceTimestap = (mWarnOnceTimestap == PX_MAX_U32) ? 1 : mWarnOnceTimestap + 1;

			return mInstance;
		}
		else
		{
			errc.reportError(PxErrorCode::eINTERNAL_ERROR, "Memory allocation for foundation object failed.", __FILE__,
			                 __LINE__);
		}
	}
	else
	{
		errc.reportError(PxErrorCode::eINVALID_OPERATION,
		                 "Foundation object exists already. Only one instance per process can be created.", __FILE__,
		                 __LINE__);
	}

	return 0;
}

void Foundation::destroyInstance()
{