61 lines
1.8 KiB
C#
61 lines
1.8 KiB
C#
#region Copyright & License Information
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/*
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* Copyright 2007-2018 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.Collections.Generic;
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using System.Drawing;
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using System.Linq;
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using OpenRA.Graphics;
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using OpenRA.Traits;
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namespace OpenRA.Mods.Common.Traits.Render
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{
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[Desc("Changes the visual Z position periodically.")]
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public class HoversInfo : ConditionalTraitInfo, Requires<IMoveInfo>
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{
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[Desc("Amount of Z axis changes in world units.")]
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public readonly int OffsetModifier = -43;
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public readonly int MinHoveringAltitude = 0;
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public override object Create(ActorInitializer init) { return new Hovers(this, init.Self); }
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}
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public class Hovers : ConditionalTrait<HoversInfo>, IRenderModifier
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{
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readonly HoversInfo info;
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public Hovers(HoversInfo info, Actor self)
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: base(info)
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{
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this.info = info;
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}
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IEnumerable<IRenderable> IRenderModifier.ModifyRender(Actor self, WorldRenderer wr, IEnumerable<IRenderable> r)
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{
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if (self.World.Paused || IsTraitDisabled)
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return r;
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var visualOffset = self.World.Map.DistanceAboveTerrain(self.CenterPosition).Length >= info.MinHoveringAltitude
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? (int)Math.Abs((self.ActorID + Game.LocalTick) / 5 % 4 - 1) - 1
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: 0;
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var worldVisualOffset = new WVec(0, 0, info.OffsetModifier * visualOffset);
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return r.Select(a => a.OffsetBy(worldVisualOffset));
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}
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IEnumerable<Rectangle> IRenderModifier.ModifyScreenBounds(Actor self, WorldRenderer wr, IEnumerable<Rectangle> bounds)
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{
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return bounds;
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}
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}
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}
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