115 lines
4.0 KiB
C#
115 lines
4.0 KiB
C#
#region Copyright & License Information
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/*
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* Copyright 2007-2017 The OpenRA Developers (see AUTHORS)
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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.Drawing;
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using OpenRA.Mods.Common.Activities;
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using OpenRA.Traits;
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namespace OpenRA.Mods.Common.Traits
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{
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[Desc("Provides access to the attack-move command, which will make the actor automatically engage viable targets while moving to the destination.")]
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class AttackMoveInfo : ITraitInfo, Requires<IMoveInfo>
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{
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[VoiceReference] public readonly string Voice = "Action";
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[GrantedConditionReference]
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[Desc("The condition to grant to self while scanning for targets during an attack-move.")]
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public readonly string AttackMoveScanCondition = null;
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[GrantedConditionReference]
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[Desc("The condition to grant to self while scanning for targets during an assault-move.")]
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public readonly string AssaultMoveScanCondition = null;
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public object Create(ActorInitializer init) { return new AttackMove(init.Self, this); }
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}
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class AttackMove : INotifyCreated, ITick, IResolveOrder, IOrderVoice, INotifyIdle, ISync
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{
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[Sync] public CPos _targetLocation { get { return TargetLocation.HasValue ? TargetLocation.Value : CPos.Zero; } }
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public CPos? TargetLocation = null;
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readonly IMove move;
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readonly AttackMoveInfo info;
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ConditionManager conditionManager;
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int attackMoveToken = ConditionManager.InvalidConditionToken;
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int assaultMoveToken = ConditionManager.InvalidConditionToken;
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bool assaultMoving = false;
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public AttackMove(Actor self, AttackMoveInfo info)
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{
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move = self.Trait<IMove>();
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this.info = info;
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}
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void INotifyCreated.Created(Actor self)
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{
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conditionManager = self.TraitOrDefault<ConditionManager>();
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}
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void ITick.Tick(Actor self)
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{
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if (conditionManager == null)
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return;
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var activity = self.CurrentActivity as AttackMoveActivity;
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var attackActive = activity != null && !assaultMoving;
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var assaultActive = activity != null && assaultMoving;
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if (attackActive && attackMoveToken == ConditionManager.InvalidConditionToken && !string.IsNullOrEmpty(info.AttackMoveScanCondition))
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attackMoveToken = conditionManager.GrantCondition(self, info.AttackMoveScanCondition);
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else if (!attackActive && attackMoveToken != ConditionManager.InvalidConditionToken)
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attackMoveToken = conditionManager.RevokeCondition(self, attackMoveToken);
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if (assaultActive && assaultMoveToken == ConditionManager.InvalidConditionToken && !string.IsNullOrEmpty(info.AssaultMoveScanCondition))
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assaultMoveToken = conditionManager.GrantCondition(self, info.AssaultMoveScanCondition);
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else if (!assaultActive && assaultMoveToken != ConditionManager.InvalidConditionToken)
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assaultMoveToken = conditionManager.RevokeCondition(self, assaultMoveToken);
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}
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public string VoicePhraseForOrder(Actor self, Order order)
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{
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if (order.OrderString == "AttackMove" || order.OrderString == "AssaultMove")
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return info.Voice;
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return null;
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}
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void Activate(Actor self, bool assaultMove)
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{
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assaultMoving = assaultMove;
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self.QueueActivity(new AttackMoveActivity(self, move.MoveTo(TargetLocation.Value, 1)));
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}
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public void TickIdle(Actor self)
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{
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// This might cause the actor to be stuck if the target location is unreachable
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if (TargetLocation.HasValue && self.Location != TargetLocation.Value)
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Activate(self, assaultMoving);
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}
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public void ResolveOrder(Actor self, Order order)
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{
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TargetLocation = null;
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if (order.OrderString == "AttackMove" || order.OrderString == "AssaultMove")
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{
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if (!order.Queued)
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self.CancelActivity();
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TargetLocation = move.NearestMoveableCell(order.TargetLocation);
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self.SetTargetLine(Target.FromCell(self.World, TargetLocation.Value), Color.Red);
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Activate(self, order.OrderString == "AssaultMove");
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}
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}
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}
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}
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