66 lines
2.0 KiB
C#
66 lines
2.0 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 OpenRA.Traits;
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namespace OpenRA.Mods.Common.Traits
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{
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public class GrantConditionOnMovementInfo : ConditionalTraitInfo, Requires<IMoveInfo>
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{
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[FieldLoader.Require]
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[GrantedConditionReference]
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[Desc("Condition to grant.")]
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public readonly string Condition = null;
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[Desc("Apply condition on listed movement types. Available options are: None, Horizontal, Vertical, Turn.")]
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public readonly MovementType ValidMovementTypes = MovementType.Horizontal;
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public override object Create(ActorInitializer init) { return new GrantConditionOnMovement(init.Self, this); }
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}
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public class GrantConditionOnMovement : ConditionalTrait<GrantConditionOnMovementInfo>, INotifyMoving
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{
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readonly IMove movement;
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int conditionToken = Actor.InvalidConditionToken;
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public GrantConditionOnMovement(Actor self, GrantConditionOnMovementInfo info)
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: base(info)
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{
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movement = self.Trait<IMove>();
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}
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void UpdateCondition(Actor self, MovementType types)
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{
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var validMovement = !IsTraitDisabled && (types & Info.ValidMovementTypes) != 0;
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if (!validMovement && conditionToken != Actor.InvalidConditionToken)
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conditionToken = self.RevokeCondition(conditionToken);
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else if (validMovement && conditionToken == Actor.InvalidConditionToken)
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conditionToken = self.GrantCondition(Info.Condition);
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}
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void INotifyMoving.MovementTypeChanged(Actor self, MovementType types)
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{
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UpdateCondition(self, types);
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}
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protected override void TraitEnabled(Actor self)
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{
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UpdateCondition(self, movement.CurrentMovementTypes);
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}
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protected override void TraitDisabled(Actor self)
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{
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UpdateCondition(self, movement.CurrentMovementTypes);
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}
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}
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}
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