126 lines
3.5 KiB
C#
126 lines
3.5 KiB
C#
#region Copyright & License Information
|
|
/*
|
|
* Copyright 2007-2021 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, either version 3 of
|
|
* the License, or (at your option) any later version. For more
|
|
* information, see COPYING.
|
|
*/
|
|
#endregion
|
|
|
|
using System.Collections.Generic;
|
|
using System.Linq;
|
|
using OpenRA.Traits;
|
|
|
|
namespace OpenRA.Mods.Common.Traits
|
|
{
|
|
[Desc("Wanders around aimlessly while idle.")]
|
|
public class WandersInfo : ConditionalTraitInfo, Requires<IMoveInfo>
|
|
{
|
|
public readonly int WanderMoveRadius = 1;
|
|
|
|
[Desc("Number of ticks to wait before decreasing the effective move radius.")]
|
|
public readonly int ReduceMoveRadiusDelay = 5;
|
|
|
|
[Desc("Minimum amount of ticks the actor will sit idly before starting to wander.")]
|
|
public readonly int MinMoveDelay = 0;
|
|
|
|
[Desc("Maximum amount of ticks the actor will sit idly before starting to wander.")]
|
|
public readonly int MaxMoveDelay = 0;
|
|
|
|
[Desc("The terrain types that this actor should avoid wandering on to.")]
|
|
public readonly HashSet<string> AvoidTerrainTypes = new HashSet<string>();
|
|
|
|
public override object Create(ActorInitializer init) { return new Wanders(init.Self, this); }
|
|
}
|
|
|
|
public class Wanders : ConditionalTrait<WandersInfo>, INotifyIdle, INotifyBecomingIdle
|
|
{
|
|
readonly Actor self;
|
|
readonly WandersInfo info;
|
|
IResolveOrder move;
|
|
|
|
int countdown;
|
|
int ticksIdle;
|
|
int effectiveMoveRadius;
|
|
|
|
public Wanders(Actor self, WandersInfo info)
|
|
: base(info)
|
|
{
|
|
this.self = self;
|
|
this.info = info;
|
|
effectiveMoveRadius = info.WanderMoveRadius;
|
|
countdown = self.World.SharedRandom.Next(info.MinMoveDelay, info.MaxMoveDelay);
|
|
}
|
|
|
|
protected override void Created(Actor self)
|
|
{
|
|
move = self.Trait<IMove>() as IResolveOrder;
|
|
|
|
base.Created(self);
|
|
}
|
|
|
|
protected virtual void OnBecomingIdle(Actor self)
|
|
{
|
|
countdown = self.World.SharedRandom.Next(info.MinMoveDelay, info.MaxMoveDelay);
|
|
}
|
|
|
|
void INotifyBecomingIdle.OnBecomingIdle(Actor self)
|
|
{
|
|
OnBecomingIdle(self);
|
|
}
|
|
|
|
protected virtual void TickIdle(Actor self)
|
|
{
|
|
if (IsTraitDisabled)
|
|
return;
|
|
|
|
if (--countdown > 0)
|
|
return;
|
|
|
|
var targetCell = PickTargetLocation();
|
|
if (targetCell.HasValue)
|
|
DoAction(self, targetCell.Value);
|
|
}
|
|
|
|
void INotifyIdle.TickIdle(Actor self)
|
|
{
|
|
TickIdle(self);
|
|
}
|
|
|
|
CPos? PickTargetLocation()
|
|
{
|
|
var target = self.CenterPosition + new WVec(0, -1024 * effectiveMoveRadius, 0).Rotate(WRot.FromFacing(self.World.SharedRandom.Next(255)));
|
|
var targetCell = self.World.Map.CellContaining(target);
|
|
|
|
if (!self.World.Map.Contains(targetCell))
|
|
{
|
|
// If MoveRadius is too big there might not be a valid cell to order the attack to (if actor is on a small island and can't leave)
|
|
if (++ticksIdle % info.ReduceMoveRadiusDelay == 0)
|
|
effectiveMoveRadius--;
|
|
|
|
// We'll be back the next tick; better to sit idle for a few seconds than prolong this tick indefinitely with a loop
|
|
return null;
|
|
}
|
|
|
|
if (info.AvoidTerrainTypes.Count > 0)
|
|
{
|
|
var terrainType = self.World.Map.GetTerrainInfo(targetCell).Type;
|
|
if (Info.AvoidTerrainTypes.Contains(terrainType))
|
|
return null;
|
|
}
|
|
|
|
ticksIdle = 0;
|
|
effectiveMoveRadius = info.WanderMoveRadius;
|
|
|
|
return targetCell;
|
|
}
|
|
|
|
public virtual void DoAction(Actor self, CPos targetCell)
|
|
{
|
|
move.ResolveOrder(self, new Order("Move", self, Target.FromCell(self.World, targetCell), false));
|
|
}
|
|
}
|
|
}
|