Files
OpenRA/OpenRA.Mods.RA/Player/ProvidesCustomPrerequisite.cs

78 lines
2.0 KiB
C#
Executable File

#region Copyright & License Information
/*
* Copyright 2007-2014 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.Linq;
using OpenRA.Primitives;
using OpenRA.Traits;
namespace OpenRA.Mods.RA
{
public class ProvidesCustomPrerequisiteInfo : ITraitInfo
{
[Desc("The prerequisite type that this provides")]
public readonly string Prerequisite = null;
[Desc("Only grant this prerequisite for certain factions")]
public readonly string[] Race = { };
[Desc("Should the prerequisite remain enabled if the owner changes?")]
public readonly bool Sticky = true;
public object Create(ActorInitializer init) { return new ProvidesCustomPrerequisite(init, this); }
}
public class ProvidesCustomPrerequisite : ITechTreePrerequisite, INotifyOwnerChanged
{
ProvidesCustomPrerequisiteInfo info;
bool enabled = true;
public ProvidesCustomPrerequisite(ActorInitializer init, ProvidesCustomPrerequisiteInfo info)
{
this.info = info;
if (info.Race.Any())
{
var race = init.self.Owner.Country.Race;
if (init.Contains<RaceInit>())
race = init.Get<RaceInit, string>();
enabled = info.Race.Contains(race);
}
}
public IEnumerable<string> ProvidesPrerequisites
{
get
{
if (!enabled)
yield break;
yield return info.Prerequisite;
}
}
public void OnOwnerChanged(Actor self, Player oldOwner, Player newOwner)
{
if (!info.Sticky && info.Race.Any())
enabled = info.Race.Contains(self.Owner.Country.Race);
}
}
// Allows maps / transformations to specify the race variant of an actor.
public class RaceInit : IActorInit<string>
{
[FieldFromYamlKey] public readonly string Race;
public RaceInit() { }
public RaceInit(string race) { Race = race; }
public string Value(World world) { return Race; }
}
}