Files
OpenRA/OpenRA.Mods.RA/Effects/Beacon.cs

82 lines
2.1 KiB
C#

#region Copyright & License Information
/*
* Copyright 2007-2014 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. For more information,
* see COPYING.
*/
#endregion
using System.Collections.Generic;
using System.Linq;
using OpenRA.Effects;
using OpenRA.Graphics;
namespace OpenRA.Mods.RA.Effects
{
public class Beacon : IEffect
{
readonly Player owner;
readonly WPos position;
readonly string palettePrefix;
readonly string posterPalette;
readonly Animation arrow = new Animation("beacon");
readonly Animation circles = new Animation("beacon");
readonly Animation poster;
static readonly int maxArrowHeight = 512;
int arrowHeight = maxArrowHeight;
int arrowSpeed = 50;
public Beacon(Player owner, WPos position, int duration, string palettePrefix, string posterType, string posterPalette)
{
this.owner = owner;
this.position = position;
this.palettePrefix = palettePrefix;
this.posterPalette = posterPalette;
arrow.Play("arrow");
circles.Play("circles");
if (posterType != null)
{
poster = new Animation("beacon");
poster.Play(posterType);
}
owner.World.Add(new DelayedAction(duration, () => owner.World.Remove(this)));
}
public void Tick(World world)
{
arrowHeight += arrowSpeed;
var clamped = arrowHeight.Clamp(0, maxArrowHeight);
if (arrowHeight != clamped)
{
arrowHeight = clamped;
arrowSpeed *= -1;
}
arrow.Tick();
circles.Tick();
}
public IEnumerable<IRenderable> Render(WorldRenderer r)
{
if (!owner.IsAlliedWith(owner.World.RenderPlayer))
yield break;
var palette = r.Palette(palettePrefix + owner.InternalName);
foreach (var a in circles.Render(position, palette))
yield return a;
foreach (var a in arrow.Render(position + new WVec(0, 0, arrowHeight), palette))
yield return a;
if (poster != null)
foreach (var a in poster.Render(position, r.Palette(posterPalette)))
yield return a;
}
}
}