118 lines
3.2 KiB
C#
118 lines
3.2 KiB
C#
#region Copyright & License Information
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/*
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* Copyright 2007-2016 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.Drawing;
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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.Graphics;
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using OpenRA.Traits;
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namespace OpenRA.Mods.Common.Effects
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{
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[Desc("Not a sprite, but an engine effect.")]
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class LaserZapInfo : IProjectileInfo
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{
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[Desc("The width of the zap.")]
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public readonly WDist Width = new WDist(86);
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[Desc("The shape of the beam. Accepts values Cylindrical or Flat.")]
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public readonly BeamRenderableShape Shape = BeamRenderableShape.Cylindrical;
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[Desc("Equivalent to sequence ZOffset. Controls Z sorting.")]
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public readonly int ZOffset = 0;
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public readonly int BeamDuration = 10;
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public readonly bool UsePlayerColor = false;
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[Desc("Laser color in (A,)R,G,B.")]
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public readonly Color Color = Color.Red;
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[Desc("Impact animation.")]
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public readonly string HitAnim = null;
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[Desc("Sequence of impact animation to use.")]
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[SequenceReference("HitAnim")] public readonly string HitAnimSequence = "idle";
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[PaletteReference] public readonly string HitAnimPalette = "effect";
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public IEffect Create(ProjectileArgs args)
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{
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var c = UsePlayerColor ? args.SourceActor.Owner.Color.RGB : Color;
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return new LaserZap(args, this, c);
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}
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}
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class LaserZap : IEffect
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{
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readonly ProjectileArgs args;
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readonly LaserZapInfo info;
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readonly Animation hitanim;
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int ticks = 0;
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Color color;
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bool doneDamage;
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bool animationComplete;
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WPos target;
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public LaserZap(ProjectileArgs args, LaserZapInfo info, Color color)
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{
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this.args = args;
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this.info = info;
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this.color = color;
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target = args.PassiveTarget;
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if (!string.IsNullOrEmpty(info.HitAnim))
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hitanim = new Animation(args.SourceActor.World, info.HitAnim);
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}
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public void Tick(World world)
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{
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// Beam tracks target
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if (args.GuidedTarget.IsValidFor(args.SourceActor))
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target = args.GuidedTarget.CenterPosition;
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if (!doneDamage)
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{
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if (hitanim != null)
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hitanim.PlayThen(info.HitAnimSequence, () => animationComplete = true);
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args.Weapon.Impact(Target.FromPos(target), args.SourceActor, args.DamageModifiers);
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doneDamage = true;
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}
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if (hitanim != null)
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hitanim.Tick();
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if (++ticks >= info.BeamDuration && animationComplete)
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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 (wr.World.FogObscures(target) &&
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wr.World.FogObscures(args.Source))
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yield break;
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if (ticks < info.BeamDuration)
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{
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var rc = Color.FromArgb((info.BeamDuration - ticks) * 255 / info.BeamDuration, color);
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yield return new BeamRenderable(args.Source, info.ZOffset, target - args.Source, info.Shape, info.Width, rc);
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}
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if (hitanim != null)
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foreach (var r in hitanim.Render(target, wr.Palette(info.HitAnimPalette)))
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yield return r;
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}
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}
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}
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