90 lines
2.8 KiB
C#
90 lines
2.8 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 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("Plays an audio notification and shows a radar ping when a building is attacked.",
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"Attach this to the player actor.")]
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public class BaseAttackNotifierInfo : TraitInfo
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{
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[Desc("Minimum duration (in seconds) between notification events.")]
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public readonly int NotifyInterval = 30;
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public readonly Color RadarPingColor = Color.Red;
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[Desc("Length of time (in ticks) to display a location ping in the minimap.")]
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public readonly int RadarPingDuration = 10 * 25;
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[NotificationReference("Speech")]
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[Desc("The audio notification type to play.")]
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public string Notification = "BaseAttack";
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[NotificationReference("Speech")]
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[Desc("The audio notification to play to allies when under attack.",
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"Won't play a notification to allies if this is null.")]
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public string AllyNotification = null;
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public override object Create(ActorInitializer init) { return new BaseAttackNotifier(init.Self, this); }
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}
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public class BaseAttackNotifier : INotifyDamage
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{
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readonly RadarPings radarPings;
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readonly BaseAttackNotifierInfo info;
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int lastAttackTime;
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public BaseAttackNotifier(Actor self, BaseAttackNotifierInfo info)
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{
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radarPings = self.World.WorldActor.TraitOrDefault<RadarPings>();
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this.info = info;
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lastAttackTime = -info.NotifyInterval * 25;
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}
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void INotifyDamage.Damaged(Actor self, AttackInfo e)
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{
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if (e.Attacker == null)
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return;
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if (e.Attacker.Owner == self.Owner)
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return;
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if (e.Attacker == self.World.WorldActor)
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return;
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// Only track last hit against our base
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if (!self.Info.HasTraitInfo<BuildingInfo>())
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return;
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if (e.Attacker.Owner.IsAlliedWith(self.Owner) && e.Damage.Value <= 0)
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return;
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if (self.World.WorldTick - lastAttackTime > info.NotifyInterval * 25)
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{
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var rules = self.World.Map.Rules;
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Game.Sound.PlayNotification(rules, self.Owner, "Speech", info.Notification, self.Owner.Faction.InternalName);
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if (info.AllyNotification != null)
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foreach (Player p in self.World.Players)
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if (p != self.Owner && p.IsAlliedWith(self.Owner) && p != e.Attacker.Owner)
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Game.Sound.PlayNotification(rules, p, "Speech", info.AllyNotification, p.Faction.InternalName);
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radarPings?.Add(() => self.Owner.IsAlliedWith(self.World.RenderPlayer), self.CenterPosition, info.RadarPingColor, info.RadarPingDuration);
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}
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lastAttackTime = self.World.WorldTick;
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}
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}
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}
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