119 lines
3.2 KiB
C#
119 lines
3.2 KiB
C#
#region Copyright & License Information
|
|
/*
|
|
* Copyright 2007-2015 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. For more information,
|
|
* see COPYING.
|
|
*/
|
|
#endregion
|
|
|
|
using System.Collections.Generic;
|
|
using System.Drawing;
|
|
using System.Linq;
|
|
using OpenRA.Graphics;
|
|
using OpenRA.Mods.Common;
|
|
using OpenRA.Mods.Common.Activities;
|
|
using OpenRA.Traits;
|
|
|
|
namespace OpenRA.Mods.Common.Traits
|
|
{
|
|
[Desc("The player can give this unit the order to follow and protect friendly units with the Guardable trait.")]
|
|
public class GuardInfo : ITraitInfo
|
|
{
|
|
[VoiceReference] public readonly string Voice = "Action";
|
|
|
|
public object Create(ActorInitializer init) { return new Guard(this); }
|
|
}
|
|
|
|
public class Guard : IResolveOrder, IOrderVoice
|
|
{
|
|
readonly GuardInfo info;
|
|
|
|
public Guard(GuardInfo info)
|
|
{
|
|
this.info = info;
|
|
}
|
|
|
|
public void ResolveOrder(Actor self, Order order)
|
|
{
|
|
if (order.OrderString == "Guard")
|
|
{
|
|
var target = Target.FromActor(order.TargetActor);
|
|
|
|
GuardTarget(self, target);
|
|
}
|
|
}
|
|
|
|
public void GuardTarget(Actor self, Target target)
|
|
{
|
|
self.SetTargetLine(target, Color.Yellow);
|
|
|
|
var range = WDist.FromCells(target.Actor.Info.Traits.Get<GuardableInfo>().Range);
|
|
self.QueueActivity(false, new AttackMoveActivity(self, self.Trait<IMove>().MoveFollow(self, target, WDist.Zero, range)));
|
|
}
|
|
|
|
public string VoicePhraseForOrder(Actor self, Order order)
|
|
{
|
|
return order.OrderString == "Guard" ? info.Voice : null;
|
|
}
|
|
}
|
|
|
|
public class GuardOrderGenerator : IOrderGenerator
|
|
{
|
|
readonly IEnumerable<Actor> subjects;
|
|
|
|
public GuardOrderGenerator(IEnumerable<Actor> subjects)
|
|
{
|
|
this.subjects = subjects;
|
|
}
|
|
|
|
public IEnumerable<Order> Order(World world, CPos xy, MouseInput mi)
|
|
{
|
|
if (mi.Button == Game.Settings.Game.MouseButtonPreference.Cancel)
|
|
{
|
|
world.CancelInputMode();
|
|
yield break;
|
|
}
|
|
|
|
var target = FriendlyGuardableUnits(world, mi).FirstOrDefault();
|
|
|
|
if (target == null || subjects.All(s => s.IsDead))
|
|
yield break;
|
|
|
|
foreach (var subject in subjects)
|
|
if (subject != target)
|
|
yield return new Order("Guard", subject, false) { TargetActor = target };
|
|
}
|
|
|
|
public void Tick(World world)
|
|
{
|
|
if (subjects.All(s => s.IsDead || !s.Info.HasTraitInfo<GuardInfo>()))
|
|
world.CancelInputMode();
|
|
}
|
|
|
|
public IEnumerable<IRenderable> Render(WorldRenderer wr, World world) { yield break; }
|
|
public IEnumerable<IRenderable> RenderAfterWorld(WorldRenderer wr, World world) { yield break; }
|
|
|
|
public string GetCursor(World world, CPos xy, MouseInput mi)
|
|
{
|
|
if (!subjects.Any())
|
|
return null;
|
|
|
|
var multiple = subjects.Count() > 1;
|
|
var canGuard = FriendlyGuardableUnits(world, mi)
|
|
.Any(a => multiple || a != subjects.First());
|
|
|
|
return canGuard ? "guard" : "move-blocked";
|
|
}
|
|
|
|
static IEnumerable<Actor> FriendlyGuardableUnits(World world, MouseInput mi)
|
|
{
|
|
return world.ScreenMap.ActorsAt(mi)
|
|
.Where(a => !world.FogObscures(a) && !a.IsDead &&
|
|
a.AppearsFriendlyTo(world.LocalPlayer.PlayerActor) &&
|
|
a.Info.HasTraitInfo<GuardableInfo>());
|
|
}
|
|
}
|
|
}
|