123 lines
3.5 KiB
C#
123 lines
3.5 KiB
C#
#region Copyright & License Information
|
|
/*
|
|
* Copyright 2007-2018 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.Drawing;
|
|
using System.Linq;
|
|
using OpenRA.Mods.Common.Traits;
|
|
using OpenRA.Traits;
|
|
|
|
namespace OpenRA.Mods.Common
|
|
{
|
|
public static class ActorExts
|
|
{
|
|
public static bool IsAtGroundLevel(this Actor self)
|
|
{
|
|
if (self.OccupiesSpace == null)
|
|
return false;
|
|
|
|
if (!self.IsInWorld)
|
|
return false;
|
|
|
|
var map = self.World.Map;
|
|
|
|
if (!map.Contains(self.Location))
|
|
return false;
|
|
|
|
return map.DistanceAboveTerrain(self.CenterPosition).Length == 0;
|
|
}
|
|
|
|
public static bool AppearsFriendlyTo(this Actor self, Actor toActor)
|
|
{
|
|
var stance = toActor.Owner.Stances[self.Owner];
|
|
if (stance == Stance.Ally)
|
|
return true;
|
|
|
|
if (self.EffectiveOwner != null && self.EffectiveOwner.Disguised && !toActor.Info.HasTraitInfo<IgnoresDisguiseInfo>())
|
|
return toActor.Owner.Stances[self.EffectiveOwner.Owner] == Stance.Ally;
|
|
|
|
return false;
|
|
}
|
|
|
|
public static bool AppearsHostileTo(this Actor self, Actor toActor)
|
|
{
|
|
var stance = toActor.Owner.Stances[self.Owner];
|
|
if (stance == Stance.Ally)
|
|
return false; /* otherwise, we'll hate friendly disguised spies */
|
|
|
|
if (self.EffectiveOwner != null && self.EffectiveOwner.Disguised && !toActor.Info.HasTraitInfo<IgnoresDisguiseInfo>())
|
|
return toActor.Owner.Stances[self.EffectiveOwner.Owner] == Stance.Enemy;
|
|
|
|
return stance == Stance.Enemy;
|
|
}
|
|
|
|
/// <summary>
|
|
/// DEPRECATED: Write code that can handle FrozenActors correctly instead.
|
|
/// </summary>
|
|
public static Target ResolveFrozenActorOrder(this Actor self, Order order, Color targetLine)
|
|
{
|
|
// Not targeting a frozen actor
|
|
if (order.Target.Type != TargetType.FrozenActor)
|
|
return order.Target;
|
|
|
|
var frozen = order.Target.FrozenActor;
|
|
|
|
self.SetTargetLine(order.Target, targetLine, true);
|
|
|
|
// Target is still alive - resolve the real order
|
|
if (frozen.Actor != null && frozen.Actor.IsInWorld)
|
|
return Target.FromActor(frozen.Actor);
|
|
|
|
if (!order.Queued)
|
|
self.CancelActivity();
|
|
|
|
var move = self.TraitOrDefault<IMove>();
|
|
if (move != null)
|
|
{
|
|
// Move within sight range of the frozen actor
|
|
var range = self.TraitsImplementing<RevealsShroud>()
|
|
.Where(s => !s.IsTraitDisabled)
|
|
.Select(s => s.Range)
|
|
.Append(WDist.FromCells(2))
|
|
.Max();
|
|
|
|
self.QueueActivity(move.MoveWithinRange(Target.FromPos(frozen.CenterPosition), range));
|
|
}
|
|
|
|
return Target.Invalid;
|
|
}
|
|
|
|
public static void NotifyBlocker(this Actor self, IEnumerable<Actor> blockers)
|
|
{
|
|
foreach (var blocker in blockers)
|
|
{
|
|
foreach (var moveBlocked in blocker.TraitsImplementing<INotifyBlockingMove>())
|
|
moveBlocked.OnNotifyBlockingMove(blocker, self);
|
|
}
|
|
}
|
|
|
|
public static void NotifyBlocker(this Actor self, CPos position)
|
|
{
|
|
NotifyBlocker(self, self.World.ActorMap.GetActorsAt(position));
|
|
}
|
|
|
|
public static void NotifyBlocker(this Actor self, IEnumerable<CPos> positions)
|
|
{
|
|
NotifyBlocker(self, positions.SelectMany(p => self.World.ActorMap.GetActorsAt(p)));
|
|
}
|
|
|
|
public static CPos ClosestCell(this Actor self, IEnumerable<CPos> cells)
|
|
{
|
|
return cells.MinByOrDefault(c => (self.Location - c).LengthSquared);
|
|
}
|
|
}
|
|
}
|