Files
OpenRA/OpenRA.Mods.Common/Traits/Render/Hovers.cs

61 lines
1.8 KiB
C#

#region Copyright & License Information
/*
* Copyright 2007-2018 The OpenRA Developers (see AUTHORS)
* This file is part of OpenRA, which is free software. It is made
* available to you under the terms of the GNU General Public License
* as published by the Free Software Foundation, either version 3 of
* the License, or (at your option) any later version. For more
* information, see COPYING.
*/
#endregion
using System;
using System.Collections.Generic;
using System.Drawing;
using System.Linq;
using OpenRA.Graphics;
using OpenRA.Traits;
namespace OpenRA.Mods.Common.Traits.Render
{
[Desc("Changes the visual Z position periodically.")]
public class HoversInfo : ConditionalTraitInfo, Requires<IMoveInfo>
{
[Desc("Amount of Z axis changes in world units.")]
public readonly int OffsetModifier = -43;
public readonly int MinHoveringAltitude = 0;
public override object Create(ActorInitializer init) { return new Hovers(this, init.Self); }
}
public class Hovers : ConditionalTrait<HoversInfo>, IRenderModifier
{
readonly HoversInfo info;
public Hovers(HoversInfo info, Actor self)
: base(info)
{
this.info = info;
}
IEnumerable<IRenderable> IRenderModifier.ModifyRender(Actor self, WorldRenderer wr, IEnumerable<IRenderable> r)
{
if (self.World.Paused || IsTraitDisabled)
return r;
var visualOffset = self.World.Map.DistanceAboveTerrain(self.CenterPosition).Length >= info.MinHoveringAltitude
? (int)Math.Abs((self.ActorID + Game.LocalTick) / 5 % 4 - 1) - 1
: 0;
var worldVisualOffset = new WVec(0, 0, info.OffsetModifier * visualOffset);
return r.Select(a => a.OffsetBy(worldVisualOffset));
}
IEnumerable<Rectangle> IRenderModifier.ModifyScreenBounds(Actor self, WorldRenderer wr, IEnumerable<Rectangle> bounds)
{
return bounds;
}
}
}