69 lines
1.9 KiB
C#
69 lines
1.9 KiB
C#
#region Copyright & License Information
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/*
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* Copyright 2007-2019 The OpenRA Developers (see AUTHORS)
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* This file is part of OpenRA, which is free software. It is made
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* available to you under the terms of the GNU General Public License
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* as published by the Free Software Foundation, either version 3 of
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* the License, or (at your option) any later version. For more
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* information, see COPYING.
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*/
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#endregion
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using OpenRA.Activities;
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using OpenRA.Mods.Common.Traits;
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using OpenRA.Traits;
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namespace OpenRA.Mods.Common.Activities
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{
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public class Turn : Activity
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{
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readonly IDisabledTrait disablable;
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readonly IFacing facing;
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readonly Mobile mobile;
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readonly int desiredFacing;
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readonly bool setIsMoving;
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public Turn(Actor self, int desiredFacing, bool setIsMoving = false, bool isInterruptible = true)
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{
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disablable = self.TraitOrDefault<IMove>() as IDisabledTrait;
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facing = self.Trait<IFacing>();
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this.desiredFacing = desiredFacing;
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this.setIsMoving = setIsMoving;
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IsInterruptible = isInterruptible;
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// This might look confusing, but the current implementation of Mobile is both IMove and IDisabledTrait,
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// and this way we can save a separate Mobile trait look-up.
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mobile = disablable as Mobile;
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}
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protected override void OnFirstRun(Actor self)
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{
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if (setIsMoving && mobile != null && !mobile.IsMoving)
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mobile.IsMoving = true;
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}
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public override Activity Tick(Actor self)
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{
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if (IsInterruptible && IsCanceled)
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return NextActivity;
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if (disablable != null && disablable.IsTraitDisabled)
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return this;
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if (desiredFacing == facing.Facing)
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return NextActivity;
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facing.Facing = Util.TickFacing(facing.Facing, desiredFacing, facing.TurnSpeed);
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return this;
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}
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protected override void OnLastRun(Actor self)
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{
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// If Mobile.IsMoving was set to 'true' earlier, we want to reset it to 'false' before the next tick.
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if (mobile != null && mobile.IsMoving)
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mobile.IsMoving = false;
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}
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}
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}
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