Function FindNewTarget

TombEngine/Game/Lara/lara_fire.cpp:976–1127

}

void FindNewTarget(ItemInfo& laraItem, const WeaponInfo& weaponInfo)
{
	if (!g_Configuration.EnableAutoTargeting)
		return;

	auto& player = *GetLaraInfo(&laraItem);

	if (player.Control.Look.OpticRange)
	{
		player.TargetEntity = nullptr;
		return;
	}

	float muzzleOffset = GetJointPosition(&laraItem, LM_RHAND).y - laraItem.Pose.Position.y;

	auto origin = GameVector(
		laraItem.Pose.Position.x,
		laraItem.Pose.Position.y + muzzleOffset,
		laraItem.Pose.Position.z,
		laraItem.RoomNumber);

	ItemInfo* closestEntityPtr = nullptr;

	float closestDistance = FLT_MAX;
	short closestHeadingAngle = SHRT_MAX;
	unsigned int targetCount = 0;
	float maxDistance = weaponInfo.TargetDist;

	for (auto creatureIndex : ActiveCreatures)
	{
		auto* creaturePtr = GetCreatureInfo(&g_Level.Items[creatureIndex]);

		// Continue loop if no item.
		if (creaturePtr->ItemNumber == NO_VALUE)
			continue;

		auto& item = g_Level.Items[creaturePtr->ItemNumber];

		// Check if creature is alive.
		if (item.HitPoints <= 0)
			continue;

		// Offset target position to the same height as muzzle.
		Vector3 pos = item.Pose.Position.ToVector3();
		pos.y += muzzleOffset;

		// Check distance.
		float distance = Vector3::Distance(origin.ToVector3(), pos);
		if (distance > maxDistance)
			continue;

		// Assess room line of sight.
		auto target = GetTargetPoint(item);
		if (!LOS(&origin, &target))
			continue;

		// Assess occlusion by other moveables and static meshes.
		if (IsTargetOccludedByObjects(laraItem, origin.ToVector3(), target.ToVector3(), distance))