84 lines
2.5 KiB
C#
84 lines
2.5 KiB
C#
#region Copyright & License Information
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/*
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* Copyright (c) The OpenRA Developers and Contributors
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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 System.Collections.Generic;
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using System.Linq;
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using OpenRA.Mods.Common.Traits;
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using OpenRA.Traits;
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namespace OpenRA.Mods.Common
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{
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public static class ActorExts
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{
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public static bool IsAtGroundLevel(this Actor self)
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{
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if (self.OccupiesSpace == null)
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return false;
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if (!self.IsInWorld)
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return false;
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var map = self.World.Map;
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if (!map.Contains(self.Location))
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return false;
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return map.DistanceAboveTerrain(self.CenterPosition).Length == 0;
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}
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public static bool AppearsFriendlyTo(this Actor self, Actor toActor)
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{
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var stance = toActor.Owner.RelationshipWith(self.Owner);
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if (stance == PlayerRelationship.Ally)
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return true;
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if (self.EffectiveOwner != null && self.EffectiveOwner.Disguised && !toActor.Info.HasTraitInfo<IgnoresDisguiseInfo>())
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return toActor.Owner.RelationshipWith(self.EffectiveOwner.Owner) == PlayerRelationship.Ally;
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return false;
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}
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public static bool AppearsHostileTo(this Actor self, Actor toActor)
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{
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var stance = toActor.Owner.RelationshipWith(self.Owner);
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if (stance == PlayerRelationship.Ally)
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return false;
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if (self.EffectiveOwner != null && self.EffectiveOwner.Disguised && !toActor.Info.HasTraitInfo<IgnoresDisguiseInfo>())
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return toActor.Owner.RelationshipWith(self.EffectiveOwner.Owner) == PlayerRelationship.Enemy;
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return stance == PlayerRelationship.Enemy;
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}
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public static void NotifyBlocker(this Actor self, IEnumerable<Actor> blockers)
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{
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foreach (var blocker in blockers)
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foreach (var moveBlocked in blocker.TraitsImplementing<INotifyBlockingMove>())
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moveBlocked.OnNotifyBlockingMove(blocker, self);
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}
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public static void NotifyBlocker(this Actor self, CPos position)
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{
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NotifyBlocker(self, self.World.ActorMap.GetActorsAt(position));
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}
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public static void NotifyBlocker(this Actor self, IEnumerable<CPos> positions)
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{
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NotifyBlocker(self, positions.SelectMany(p => self.World.ActorMap.GetActorsAt(p)));
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}
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public static CPos ClosestCell(this Actor self, IEnumerable<CPos> cells)
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{
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return cells.MinByOrDefault(c => (self.Location - c).LengthSquared);
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}
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}
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}
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