98 lines
2.7 KiB
C#
98 lines
2.7 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;
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using System.Linq;
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using OpenRA.Activities;
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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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public class AttackBomberInfo : AttackBaseInfo
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{
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[Desc("Tolerance for attack angle. Range [0, 128], 128 covers 360 degrees.")]
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public readonly new int FacingTolerance = 2;
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public override object Create(ActorInitializer init) { return new AttackBomber(init.Self, this); }
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}
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public class AttackBomber : AttackBase, ITick, ISync, INotifyRemovedFromWorld
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{
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readonly AttackBomberInfo info;
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[Sync]
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Target target;
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[Sync]
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bool inAttackRange;
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[Sync]
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bool facingTarget = true;
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public event Action<Actor> OnRemovedFromWorld = self => { };
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public event Action<Actor> OnEnteredAttackRange = self => { };
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public event Action<Actor> OnExitedAttackRange = self => { };
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public AttackBomber(Actor self, AttackBomberInfo info)
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: base(self, info)
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{
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this.info = info;
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}
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void ITick.Tick(Actor self)
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{
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var wasInAttackRange = inAttackRange;
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inAttackRange = false;
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if (self.IsInWorld)
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{
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var dat = self.World.Map.DistanceAboveTerrain(target.CenterPosition);
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target = Target.FromPos(target.CenterPosition - new WVec(WDist.Zero, WDist.Zero, dat));
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var wasFacingTarget = facingTarget;
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facingTarget = TargetInFiringArc(self, target, 4 * info.FacingTolerance);
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foreach (var a in Armaments)
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{
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if (!target.IsInRange(self.CenterPosition, a.MaxRange()))
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continue;
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inAttackRange = true;
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a.CheckFire(self, facing, target);
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}
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// Actors without armaments may want to trigger an action when it passes the target
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if (!Armaments.Any())
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inAttackRange = !wasInAttackRange && !facingTarget && wasFacingTarget;
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}
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if (inAttackRange && !wasInAttackRange)
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OnEnteredAttackRange(self);
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if (!inAttackRange && wasInAttackRange)
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OnExitedAttackRange(self);
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}
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public void SetTarget(World w, WPos pos) { target = Target.FromPos(pos); }
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void INotifyRemovedFromWorld.RemovedFromWorld(Actor self)
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{
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OnRemovedFromWorld(self);
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}
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public override Activity GetAttackActivity(Actor self, AttackSource source, in Target newTarget, bool allowMove, bool forceAttack, Color? targetLineColor)
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{
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throw new NotImplementedException("AttackBomber requires a scripted target");
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}
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}
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}
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