123 lines
3.4 KiB
C#
123 lines
3.4 KiB
C#
#region Copyright & License Information
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/*
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* Copyright 2007-2019 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.Effects;
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using OpenRA.GameRules;
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using OpenRA.Graphics;
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using OpenRA.Mods.Common.Traits;
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using OpenRA.Traits;
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namespace OpenRA.Mods.Common.Effects
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{
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public class NukeLaunch : IProjectile, ISpatiallyPartitionable
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{
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readonly Player firedBy;
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readonly Animation anim;
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readonly WeaponInfo weapon;
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readonly string weaponPalette;
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readonly string upSequence;
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readonly string downSequence;
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readonly string flashType;
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readonly WPos ascendSource;
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readonly WPos ascendTarget;
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readonly WPos descendSource;
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readonly WPos descendTarget;
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readonly int impactDelay;
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readonly int turn;
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WPos pos;
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int ticks;
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int launchDelay;
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bool isLaunched;
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public NukeLaunch(Player firedBy, string name, WeaponInfo weapon, string weaponPalette, string upSequence, string downSequence,
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WPos launchPos, WPos targetPos, WDist velocity, int launchDelay, int impactDelay, bool skipAscent, string flashType)
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{
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this.firedBy = firedBy;
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this.weapon = weapon;
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this.weaponPalette = weaponPalette;
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this.upSequence = upSequence;
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this.downSequence = downSequence;
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this.launchDelay = launchDelay;
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this.impactDelay = impactDelay;
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turn = skipAscent ? 0 : impactDelay / 2;
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this.flashType = flashType;
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var offset = new WVec(WDist.Zero, WDist.Zero, velocity * (impactDelay - turn));
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ascendSource = launchPos;
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ascendTarget = launchPos + offset;
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descendSource = targetPos + offset;
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descendTarget = targetPos;
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anim = new Animation(firedBy.World, name);
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pos = skipAscent ? descendSource : ascendSource;
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}
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public void Tick(World world)
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{
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if (launchDelay-- > 0)
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return;
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if (!isLaunched)
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{
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anim.PlayRepeating(upSequence);
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if (weapon.Report != null && weapon.Report.Any())
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Game.Sound.Play(SoundType.World, weapon.Report.Random(firedBy.World.SharedRandom), pos);
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world.ScreenMap.Add(this, pos, anim.Image);
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isLaunched = true;
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}
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anim.Tick();
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if (ticks == turn)
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anim.PlayRepeating(downSequence);
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if (ticks < turn)
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pos = WPos.LerpQuadratic(ascendSource, ascendTarget, WAngle.Zero, ticks, turn);
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else
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pos = WPos.LerpQuadratic(descendSource, descendTarget, WAngle.Zero, ticks - turn, impactDelay - turn);
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if (ticks == impactDelay)
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Explode(world);
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world.ScreenMap.Update(this, pos, anim.Image);
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ticks++;
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}
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void Explode(World world)
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{
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world.AddFrameEndTask(w => { w.Remove(this); w.ScreenMap.Remove(this); });
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weapon.Impact(Target.FromPos(pos), firedBy.PlayerActor, Enumerable.Empty<int>());
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world.WorldActor.Trait<ScreenShaker>().AddEffect(20, pos, 5);
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foreach (var flash in world.WorldActor.TraitsImplementing<FlashPaletteEffect>())
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if (flash.Info.Type == flashType)
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flash.Enable(-1);
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}
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public IEnumerable<IRenderable> Render(WorldRenderer wr)
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{
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if (!isLaunched)
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return Enumerable.Empty<IRenderable>();
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return anim.Render(pos, wr.Palette(weaponPalette));
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}
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public float FractionComplete { get { return ticks * 1f / impactDelay; } }
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}
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}
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