Files
OpenRA/OpenRA.Mods.Common/Traits/RepairsBridges.cs
2016-02-21 16:30:48 +00:00

133 lines
4.0 KiB
C#

#region Copyright & License Information
/*
* Copyright 2007-2016 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 OpenRA.Mods.Common.Activities;
using OpenRA.Mods.Common.Orders;
using OpenRA.Traits;
namespace OpenRA.Mods.Common.Traits
{
[Desc("Can enter a BridgeHut to trigger a repair.")]
class RepairsBridgesInfo : ITraitInfo
{
[VoiceReference] public readonly string Voice = "Action";
[Desc("Behaviour when entering the structure.",
"Possible values are Exit, Suicide, Dispose.")]
public readonly EnterBehaviour EnterBehaviour = EnterBehaviour.Dispose;
[Desc("Cursor to use when targeting a BridgeHut of an unrepaired bridge.")]
public readonly string TargetCursor = "goldwrench";
[Desc("Cursor to use when repairing is denied.")]
public readonly string TargetBlockedCursor = "goldwrench-blocked";
[Desc("Speech notification to play when a bridge is repaired.")]
public readonly string RepairNotification = null;
public object Create(ActorInitializer init) { return new RepairsBridges(this); }
}
class RepairsBridges : IIssueOrder, IResolveOrder, IOrderVoice
{
readonly RepairsBridgesInfo info;
public RepairsBridges(RepairsBridgesInfo info)
{
this.info = info;
}
public IEnumerable<IOrderTargeter> Orders
{
get { yield return new RepairBridgeOrderTargeter(info); }
}
public Order IssueOrder(Actor self, IOrderTargeter order, Target target, bool queued)
{
if (order.OrderID == "RepairBridge")
return new Order(order.OrderID, self, queued) { TargetActor = target.Actor };
return null;
}
public string VoicePhraseForOrder(Actor self, Order order)
{
if (order.OrderString != "RepairBridge")
return null;
var hut = order.TargetActor.TraitOrDefault<BridgeHut>();
if (hut == null)
return null;
return hut.BridgeDamageState == DamageState.Undamaged || hut.Repairing || hut.Bridge.IsDangling ? null : info.Voice;
}
public void ResolveOrder(Actor self, Order order)
{
if (order.OrderString == "RepairBridge")
{
var hut = order.TargetActor.TraitOrDefault<BridgeHut>();
if (hut == null)
return;
if (hut.BridgeDamageState == DamageState.Undamaged || hut.Repairing || hut.Bridge.IsDangling)
return;
self.SetTargetLine(Target.FromOrder(self.World, order), Color.Yellow);
self.CancelActivity();
self.QueueActivity(new RepairBridge(self, order.TargetActor, info.EnterBehaviour, info.RepairNotification));
}
}
class RepairBridgeOrderTargeter : UnitOrderTargeter
{
readonly RepairsBridgesInfo info;
public RepairBridgeOrderTargeter(RepairsBridgesInfo info)
: base("RepairBridge", 6, info.TargetCursor, true, true)
{
this.info = info;
}
public override bool CanTargetActor(Actor self, Actor target, TargetModifiers modifiers, ref string cursor)
{
var hut = target.TraitOrDefault<BridgeHut>();
if (hut == null)
return false;
// Require force attack to heal partially damaged bridges to avoid unnecessary cursor noise
var damage = hut.BridgeDamageState;
if (!modifiers.HasModifier(TargetModifiers.ForceAttack) && damage != DamageState.Dead)
return false;
// Obey force moving onto bridges
if (modifiers.HasModifier(TargetModifiers.ForceMove))
return false;
// Can't repair a bridge that is undamaged, already under repair, or dangling
if (damage == DamageState.Undamaged || hut.Repairing || hut.Bridge.IsDangling)
cursor = info.TargetBlockedCursor;
return true;
}
public override bool CanTargetFrozenActor(Actor self, FrozenActor target, TargetModifiers modifiers, ref string cursor)
{
// TODO: Bridges don't yet support FrozenUnderFog.
return false;
}
}
}
}