Function lara_as_idle

TombEngine/Game/Lara/lara_basic.cpp:414–622

State: LS_IDLE (2), LS_SPLAT_SOFT (170) Collision: lara_col_idle()

// State:	  LS_IDLE (2), LS_SPLAT_SOFT (170)
// Collision: lara_col_idle()
void lara_as_idle(ItemInfo* item, CollisionInfo* coll)
{
	auto& player = GetLaraInfo(*item);

	bool isWading = (player.Control.WaterStatus == WaterStatus::Wade);
	bool isInSwamp = TestEnvironment(ENV_FLAG_SWAMP, item);
	player.Control.CanLook = !((isWading && isInSwamp) || item->Animation.AnimNumber == LA_SWANDIVE_ROLL);

	player.Control.Look.Mode = LookMode::Free;

	if (item->HitPoints <= 0)
	{
		item->Animation.TargetState = LS_DEATH;
		return;
	}

	// HACK: Interaction alignment.
	if (player.Control.IsMoving)
	{
		ResetPlayerTurnRateY(*item);
		return;
	}

	// TODO: Handle waterskin and mechanical scarab.
	if (UseSpecialItem(item))
		return;

	if (player.Control.Look.IsUsingBinoculars)
		return;

	// Jump locks orientation.
	if (!IsHeld(In::Jump))
	{
		// Sidestep locks orientation.
		if ((IsHeld(In::StepLeft) || (IsHeld(In::Walk) && IsHeld(In::Left))) ||
			(IsHeld(In::StepRight) || (IsHeld(In::Walk) && IsHeld(In::Right))))
		{
			ResetPlayerTurnRateY(*item);
		}
		else if (IsHeld(In::Left) || IsHeld(In::Right))
		{
			ModulateLaraTurnRateY(item, LARA_TURN_RATE_ACCEL, 0, LARA_SLOW_MED_TURN_RATE_MAX);
		}
	}

	if (IsHeld(In::Jump) && CanPerformJump(*item, *coll))
	{
		auto jumpDirection = GetPlayerJumpDirection(*item, *coll);
		if (jumpDirection != JumpDirection::None)
		{
			item->Animation.TargetState = LS_JUMP_PREPARE;
			player.Control.JumpDirection = jumpDirection;
			return;
		}
	}

	if (IsHeld(In::Roll) || (IsHeld(In::Forward) && IsHeld(In::Back)))
	{