Method update

game/state/city/research.cpp:373–550

}

void Lab::update(unsigned int ticks, StateRef<Lab> lab, sp<GameState> state)
{
	if (lab->current_project)
	{
		auto skill = lab->getTotalSkill();
		if (skill <= 0)
		{
			// If there's nobody assigned projects obviously don't progress
			return;
		}
		// A little complication as we want to be correctly calculating progress in an integer when
		// working with sub-single progress 'unit' time units.
		// This also leaves any remaining ticks in the lab's ticks_since_last_progress, so they will
		// get added onto the next project that lab undertakes at the first update.
		unsigned ticks_per_progress_hour = TICKS_PER_HOUR / skill;
		unsigned ticks_remaining_to_progress = ticks + lab->ticks_since_last_progress;

		unsigned progress_hours = 0;

		switch (lab->current_project->type)
		{
			case ResearchTopic::Type::Physics:
			case ResearchTopic::Type::BioChem:
				progress_hours = std::min(ticks_remaining_to_progress / ticks_per_progress_hour,
				                          lab->current_project->man_hours -
				                              lab->current_project->man_hours_progress);
				break;
			case ResearchTopic::Type::Engineering:
				progress_hours = std::min(ticks_remaining_to_progress / ticks_per_progress_hour,
				                          lab->current_project->man_hours * lab->getQuantity() -
				                              lab->manufacture_man_hours_invested);
				break;
			default:
				LogError("Unexpected lab type");
		}

		unsigned ticks_left =
		    ticks_remaining_to_progress - progress_hours * ticks_per_progress_hour;
		lab->ticks_since_last_progress = ticks_left;

		switch (lab->current_project->type)
		{
			case ResearchTopic::Type::Physics:
			case ResearchTopic::Type::BioChem:
				lab->current_project->man_hours_progress += progress_hours;
				if (lab->current_project->isComplete())
				{
					// Produce a research remains item
					StateRef<Base> thisBase;
					for (auto &base : state->player_bases)
					{
						for (auto &facility : base.second->facilities)
						{
							if (facility->lab == lab)
							{
								thisBase = {state.get(), base.first};
								break;
							}