70 lines
1.5 KiB
C#
70 lines
1.5 KiB
C#
#region Copyright & License Information
|
|
/*
|
|
* Copyright 2007-2015 The OpenRA Developers (see AUTHORS)
|
|
* This file is part of OpenRA, which is free software. It is made
|
|
* available to you under the terms of the GNU General Public License
|
|
* as published by the Free Software Foundation. For more information,
|
|
* see COPYING.
|
|
*/
|
|
#endregion
|
|
|
|
using System.Collections.Generic;
|
|
using System.Linq;
|
|
using OpenRA.Activities;
|
|
using OpenRA.Traits;
|
|
|
|
namespace OpenRA.Mods.Common.Activities
|
|
{
|
|
public class Drag : Activity
|
|
{
|
|
readonly IPositionable positionable;
|
|
readonly IMove movement;
|
|
readonly IDisabledTrait disableable;
|
|
WPos start, end;
|
|
int length;
|
|
int ticks = 0;
|
|
|
|
public Drag(Actor self, WPos start, WPos end, int length)
|
|
{
|
|
positionable = self.Trait<IPositionable>();
|
|
movement = self.TraitOrDefault<IMove>();
|
|
disableable = movement as IDisabledTrait;
|
|
this.start = start;
|
|
this.end = end;
|
|
this.length = length;
|
|
}
|
|
|
|
public override Activity Tick(Actor self)
|
|
{
|
|
if (disableable != null && disableable.IsTraitDisabled)
|
|
return this;
|
|
|
|
var pos = length > 1
|
|
? WPos.Lerp(start, end, ticks, length - 1)
|
|
: end;
|
|
|
|
positionable.SetVisualPosition(self, pos);
|
|
if (++ticks >= length)
|
|
{
|
|
if (movement != null)
|
|
movement.IsMoving = false;
|
|
|
|
return NextActivity;
|
|
}
|
|
|
|
if (movement != null)
|
|
movement.IsMoving = true;
|
|
|
|
return this;
|
|
}
|
|
|
|
public override IEnumerable<Target> GetTargets(Actor self)
|
|
{
|
|
yield return Target.FromPos(end);
|
|
}
|
|
|
|
// Cannot be cancelled
|
|
public override void Cancel(Actor self) { }
|
|
}
|
|
}
|