94 lines
2.7 KiB
C#
94 lines
2.7 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.Collections.Generic;
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using System.Linq;
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using OpenRA.Primitives;
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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("Attach this to the player actor.")]
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public class GrantConditionOnPrerequisiteManagerInfo : ITraitInfo, Requires<TechTreeInfo>
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{
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public object Create(ActorInitializer init) { return new GrantConditionOnPrerequisiteManager(init); }
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}
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public class GrantConditionOnPrerequisiteManager : ITechTreeElement
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{
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readonly Actor self;
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readonly Dictionary<string, List<Pair<Actor, GrantConditionOnPrerequisite>>> upgradables = new Dictionary<string, List<Pair<Actor, GrantConditionOnPrerequisite>>>();
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readonly TechTree techTree;
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public GrantConditionOnPrerequisiteManager(ActorInitializer init)
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{
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self = init.Self;
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techTree = self.Trait<TechTree>();
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}
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static string MakeKey(string[] prerequisites)
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{
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return "condition_" + string.Join("_", prerequisites.OrderBy(a => a));
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}
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public void Register(Actor actor, GrantConditionOnPrerequisite u, string[] prerequisites)
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{
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var key = MakeKey(prerequisites);
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if (!upgradables.ContainsKey(key))
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{
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upgradables.Add(key, new List<Pair<Actor, GrantConditionOnPrerequisite>>());
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techTree.Add(key, prerequisites, 0, this);
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}
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upgradables[key].Add(Pair.New(actor, u));
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// Notify the current state
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u.PrerequisitesUpdated(actor, techTree.HasPrerequisites(prerequisites));
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}
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public void Unregister(Actor actor, GrantConditionOnPrerequisite u, string[] prerequisites)
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{
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var key = MakeKey(prerequisites);
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var list = upgradables[key];
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list.RemoveAll(x => x.First == actor && x.Second == u);
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if (!list.Any())
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{
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upgradables.Remove(key);
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techTree.Remove(key);
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}
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}
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public void PrerequisitesAvailable(string key)
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{
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List<Pair<Actor, GrantConditionOnPrerequisite>> list;
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if (!upgradables.TryGetValue(key, out list))
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return;
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foreach (var u in list)
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u.Second.PrerequisitesUpdated(u.First, true);
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}
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public void PrerequisitesUnavailable(string key)
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{
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List<Pair<Actor, GrantConditionOnPrerequisite>> list;
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if (!upgradables.TryGetValue(key, out list))
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return;
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foreach (var u in list)
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u.Second.PrerequisitesUpdated(u.First, false);
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}
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public void PrerequisitesItemHidden(string key) { }
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public void PrerequisitesItemVisible(string key) { }
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}
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}
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