83 lines
2.1 KiB
C#
83 lines
2.1 KiB
C#
#region Copyright & License Information
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/*
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* Copyright (c) The OpenRA Developers and Contributors
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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.Graphics;
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using OpenRA.Primitives;
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namespace OpenRA.Mods.Common.Effects
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{
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public class FlashTarget : IEffect
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{
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readonly Actor target;
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readonly int count;
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readonly int interval;
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readonly TintModifiers modifiers;
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readonly float3 tint;
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readonly float? alpha;
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int tick;
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FlashTarget(Actor target, int count, int interval, int delay)
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{
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this.target = target;
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this.count = count;
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this.interval = interval;
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tick = -delay;
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target.World.RemoveAll(effect => effect is FlashTarget flashTarget && flashTarget.target == target);
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}
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public FlashTarget(Actor target, Color color, float alpha = 0.5f, int count = 2, int interval = 2, int delay = 0)
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: this(target, count, interval, delay)
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{
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modifiers = TintModifiers.ReplaceColor;
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tint = new float3(color.R, color.G, color.B) / 255f;
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this.alpha = alpha;
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}
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public FlashTarget(Actor target, float3 tint, int count = 2, int interval = 2, int delay = 0)
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: this(target, count, interval, delay)
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{
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this.tint = tint;
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}
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public void Tick(World world)
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{
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if (++tick >= count * interval || !target.IsInWorld)
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world.AddFrameEndTask(w => w.Remove(this));
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}
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public IEnumerable<IRenderable> Render(WorldRenderer wr)
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{
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if (target.IsInWorld && tick >= 0 && tick % interval == 0)
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{
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return target.Render(wr)
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.Where(r => !r.IsDecoration && r is IModifyableRenderable)
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.Select(r =>
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{
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var mr = (IModifyableRenderable)r;
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mr = mr.WithTint(tint, mr.TintModifiers | modifiers);
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if (alpha.HasValue)
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mr = mr.WithAlpha(alpha.Value);
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return mr;
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});
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}
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return SpriteRenderable.None;
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}
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}
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}
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