130 lines
3.8 KiB
C#
130 lines
3.8 KiB
C#
#region Copyright & License Information
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/*
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* Copyright 2007-2015 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. For more information,
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* 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.Drawing;
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using OpenRA.Mods.Common.Activities;
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using OpenRA.Mods.Common.Orders;
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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("This actor can capture other actors which have the Capturable: trait.")]
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public class CapturesInfo : ITraitInfo
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{
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[Desc("Types of actors that it can capture, as long as the type also exists in the Capturable Type: trait.")]
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public readonly HashSet<string> CaptureTypes = new HashSet<string> { "building" };
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[Desc("Unit will do damage to the actor instead of capturing it. Unit is destroyed when sabotaging.")]
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public readonly bool Sabotage = true;
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[Desc("Only used if Sabotage=true. Sabotage damage expressed as a percentage of enemy health removed.")]
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public readonly float SabotageHPRemoval = 0.5f;
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[VoiceReference] public readonly string Voice = "Action";
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public object Create(ActorInitializer init) { return new Captures(init.Self, this); }
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}
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public class Captures : IIssueOrder, IResolveOrder, IOrderVoice
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{
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public readonly CapturesInfo Info;
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public Captures(Actor self, CapturesInfo info)
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{
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Info = info;
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}
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public IEnumerable<IOrderTargeter> Orders
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{
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get
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{
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yield return new CaptureOrderTargeter(Info.Sabotage);
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}
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}
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public Order IssueOrder(Actor self, IOrderTargeter order, Target target, bool queued)
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{
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if (order.OrderID != "CaptureActor")
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return null;
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if (target.Type == TargetType.FrozenActor)
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return new Order(order.OrderID, self, queued) { ExtraData = target.FrozenActor.ID };
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return new Order(order.OrderID, self, queued) { TargetActor = target.Actor };
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}
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public string VoicePhraseForOrder(Actor self, Order order)
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{
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return order.OrderString == "CaptureActor" ? Info.Voice : null;
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}
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public void ResolveOrder(Actor self, Order order)
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{
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if (order.OrderString != "CaptureActor")
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return;
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var target = self.ResolveFrozenActorOrder(order, Color.Red);
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if (target.Type != TargetType.Actor)
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return;
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if (!order.Queued)
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self.CancelActivity();
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self.SetTargetLine(target, Color.Red);
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self.QueueActivity(new CaptureActor(self, target.Actor));
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}
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class CaptureOrderTargeter : UnitOrderTargeter
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{
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readonly bool sabotage;
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public CaptureOrderTargeter(bool sabotage)
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: base("CaptureActor", 6, "enter", true, true)
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{
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this.sabotage = sabotage;
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}
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public override bool CanTargetActor(Actor self, Actor target, TargetModifiers modifiers, ref string cursor)
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{
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var c = target.Info.TraitInfoOrDefault<CapturableInfo>();
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if (c == null || !c.CanBeTargetedBy(self, target.Owner))
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{
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cursor = "enter-blocked";
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return false;
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}
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var health = target.Trait<Health>();
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var lowEnoughHealth = health.HP <= c.CaptureThreshold * health.MaxHP;
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cursor = !sabotage || lowEnoughHealth || target.Owner.NonCombatant
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? "enter" : "capture";
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return true;
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}
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public override bool CanTargetFrozenActor(Actor self, FrozenActor target, TargetModifiers modifiers, ref string cursor)
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{
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var c = target.Info.TraitInfoOrDefault<CapturableInfo>();
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if (c == null || !c.CanBeTargetedBy(self, target.Owner))
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{
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cursor = "enter-blocked";
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return false;
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}
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var health = target.Info.TraitInfoOrDefault<HealthInfo>();
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var lowEnoughHealth = target.HP <= c.CaptureThreshold * health.HP;
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cursor = !sabotage || lowEnoughHealth || target.Owner.NonCombatant
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? "enter" : "capture";
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return true;
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}
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}
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}
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}
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