Function ImpControl

TombEngine/Objects/TR5/Entity/tr5_imp.cpp:189–409

	}

	void ImpControl(short itemNumber)
	{
		if (!CreatureActive(itemNumber))
			return;

		auto* item = &g_Level.Items[itemNumber];
		auto* creature = GetCreatureInfo(item);

		short headingAngle = 0;

		auto extraHeadRot = EulerAngles::Identity;
		auto extraTorsoRot = EulerAngles::Identity;

		AI_INFO ai;
		if (item->HitPoints <= 0)
		{
			if (item->Animation.ActiveState != IMP_STATE_DEATH)
			{
				CreatureAIInfo(item, &ai);

				if (ai.angle > -ANGLE(67.5f) && ai.angle < ANGLE(67.5f))
					SetAnimation(item, IMP_ANIM_BACKWARD_DEATH);
				else
					SetAnimation(item, IMP_ANIM_FORWARD_DEATH);
			}
		}
		else
		{
			if (item->AIBits)
			{
				GetAITarget(creature);
			}
			else if (creature->HurtByLara)
			{
				creature->Enemy = LaraItem;
			}

			CreatureAIInfo(item, &ai);

			int elevation = (item->Pose.Position.y - creature->Enemy->Pose.Position.y) + CLICK(1.5f);
			if (creature->Enemy->IsLara())
			{
				if (creature->Enemy->Animation.ActiveState == LS_CROUCH_IDLE ||
					creature->Enemy->Animation.ActiveState == LS_CROUCH_ROLL ||
					creature->Enemy->Animation.ActiveState > LS_MONKEY_TURN_180 &&
					creature->Enemy->Animation.ActiveState < LS_HANG_TO_CRAWL ||
					creature->Enemy->Animation.ActiveState == LS_CROUCH_TURN_LEFT ||
					creature->Enemy->Animation.ActiveState == LS_CROUCH_TURN_RIGHT)
				{
					elevation = item->Pose.Position.y - creature->Enemy->Pose.Position.y;
				}
			}
			
			ai.xAngle = phd_atan(sqrt(ai.distance), elevation);

			GetCreatureMood(item, &ai, true);
			if (item->Animation.ActiveState == IMP_STATE_SCARED)
				creature->Mood = MoodType::Escape;