Function ShivaControl

TombEngine/Objects/TR3/Entity/Shiva.cpp:271–529

	}

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

		auto* item = &g_Level.Items[itemNumber];
		const auto& object = Objects[item->ObjectNumber];
		auto& creature = *GetCreatureInfo(item);

		short headingAngle = 0;
		short tiltAngle = 0;
		auto extraHeadRot = EulerAngles::Identity;
		auto extraTorsoRot = EulerAngles::Identity;

		if (item->HitPoints <= 0)
		{
			if (item->Animation.ActiveState != SHIVA_STATE_DEATH)
			{
				SetAnimation(item, SHIVA_ANIM_DEATH);
				item->ItemFlags[0] = object.nmeshes - 1;
				item->ItemFlags[2] = 1; // Do mesh swap to stone.
				item->ItemFlags[3] = 1;
			}

			if (TestLastFrame(*item))
			{
				// Block last frame until mesh is swapped.
				item->Animation.FrameNumber = GetAnimData(*item).EndFrameNumber - 1;

				if (DoShivaMeshSwap(*item, true))
					CreatureDie(itemNumber, false);
			}
		}
		else
		{
			AI_INFO ai;
			CreatureAIInfo(item, &ai);

			GetCreatureMood(item, &ai, true);
			CreatureMood(item, &ai, true);

			// Shiva isn't fearful.
			if (creature.Mood == MoodType::Escape)
			{
				creature.Target.x = creature.Enemy->Pose.Position.x;
				creature.Target.z = creature.Enemy->Pose.Position.z;
			}

			bool isPlayerAlive = (creature.Enemy->HitPoints > 0);
			headingAngle = CreatureTurn(item, creature.MaxTurn);

			switch (item->Animation.ActiveState)
			{
			case SHIVA_STATE_INACTIVE:
				creature.MaxTurn = 0;

				if (DoShivaMeshSwap(*item, false))
					item->Animation.TargetState = SHIVA_STATE_IDLE;