Method RegisterSystemInternal

Engine/source/EtFramework/ECS/EcsController.cpp:646–687

--------------------------------------- EcsController::RegisterSystemInternal

// EcsController::RegisterSystemInternal
//
void EcsController::RegisterSystemInternal(SystemBase* const sys)
{
	// create registered system
	RegisteredSystem* const registered = new RegisteredSystem(sys);

	// add to dependencies
	for (RegisteredSystem* const other : m_Systems)
	{
		if (std::find(sys->GetDependencies().cbegin(), sys->GetDependencies().cend(), other->system->GetTypeId()) != sys->GetDependencies().cend())
		{
			registered->dependencies.emplace_back(other);
		}

		if (std::find(sys->GetDependents().cbegin(), sys->GetDependents().cend(), other->system->GetTypeId()) != sys->GetDependents().cend())
		{
			other->dependencies.emplace_back(registered);
		}
	}

	// add existing archetypes
	for (uint8 layer = 0u; layer < static_cast<uint8>(m_HierachyLevels.size()); ++layer)
	{
		for (std::pair<T_Hash const, Archetype*>& arch : m_HierachyLevels[layer].archetypes)
		{
			// go layer wise to ensure correct hierachy dependency resolution
			if (arch.second->GetSignature().Contains(registered->signature))
			{
				while (registered->matchingArchetypes.size() <= static_cast<size_t>(layer)) // ensure we have enough layers
				{
					registered->matchingArchetypes.push_back(RegisteredSystem::ArchetypeLayer());
				}

				registered->matchingArchetypes[layer].archetypes.push_back(arch.second);
			}
		}
	}

	// add to system list
	m_Systems.emplace_back(registered);

	RecalculateSystemSchedule();
}

//-----------------------------------------
// EcsController::UnregisterSystemInternal