Method Allocate

dev/include/Box2D/Particle/b2ParticleSystem.cpp:2370–2384

Allocate internal storage for this object.

// Allocate internal storage for this object.
int32 FixedSetAllocator::Allocate(
	const int32 itemSize, const int32 count)
{
	Clear();
	if (count)
	{
		m_buffer = m_allocator->Allocate(
			(itemSize + sizeof(*m_valid)) * count);
		b2Assert(m_buffer);
		m_valid = (int8*)m_buffer + (itemSize * count);
		memset(m_valid, 1, sizeof(*m_valid) * count);
		m_count = count;
	}
	return m_count;
}

// Deallocate the internal buffer if it's allocated.
void FixedSetAllocator::Clear()