76 lines
2.1 KiB
C#
76 lines
2.1 KiB
C#
#region Copyright & License Information
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/*
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* Copyright 2007-2020 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.Linq;
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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("Reveals shroud and fog across the whole map while active.")]
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public class RevealsMapInfo : ConditionalTraitInfo
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{
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[Desc("Stance the watching player needs to see the shroud removed.")]
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public readonly Stance ValidStances = Stance.Ally;
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[Desc("Can this actor reveal shroud generated by the `GeneratesShroud` trait?")]
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public readonly bool RevealGeneratedShroud = true;
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public override object Create(ActorInitializer init) { return new RevealsMap(this); }
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}
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public class RevealsMap : ConditionalTrait<RevealsMapInfo>, INotifyKilled, INotifyActorDisposing
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{
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readonly Shroud.SourceType type;
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public RevealsMap(RevealsMapInfo info)
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: base(info)
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{
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type = info.RevealGeneratedShroud ? Shroud.SourceType.Visibility
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: Shroud.SourceType.PassiveVisibility;
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}
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protected void AddCellsToPlayerShroud(Actor self, Player p, PPos[] uv)
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{
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if (!Info.ValidStances.HasStance(p.Stances[self.Owner]))
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return;
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p.Shroud.AddSource(this, type, uv);
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}
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protected void RemoveCellsFromPlayerShroud(Actor self, Player p) { p.Shroud.RemoveSource(this); }
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protected PPos[] ProjectedCells(Actor self)
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{
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return self.World.Map.ProjectedCells;
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}
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void INotifyActorDisposing.Disposing(Actor self)
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{
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RemoveCellsFromPlayerShroud(self, self.Owner);
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}
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void INotifyKilled.Killed(Actor self, AttackInfo e)
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{
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RemoveCellsFromPlayerShroud(self, self.Owner);
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}
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protected override void TraitEnabled(Actor self)
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{
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AddCellsToPlayerShroud(self, self.Owner, ProjectedCells(self));
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}
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protected override void TraitDisabled(Actor self)
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{
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RemoveCellsFromPlayerShroud(self, self.Owner);
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}
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}
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}
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