95 lines
2.5 KiB
C#
95 lines
2.5 KiB
C#
#region Copyright & License Information
|
|
/*
|
|
* Copyright (c) The OpenRA Developers and Contributors
|
|
* 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.Collections.Generic;
|
|
using OpenRA.Effects;
|
|
using OpenRA.Graphics;
|
|
|
|
namespace OpenRA.Mods.Common.Effects
|
|
{
|
|
public sealed class FloatingSprite : IEffect, ISpatiallyPartitionable
|
|
{
|
|
readonly WDist[] speed;
|
|
readonly WDist[] gravity;
|
|
readonly Animation anim;
|
|
|
|
readonly bool visibleThroughFog;
|
|
readonly int turnRate;
|
|
readonly int randomRate;
|
|
readonly string palette;
|
|
|
|
WPos pos;
|
|
WVec offset;
|
|
int lifetime;
|
|
int ticks;
|
|
WAngle facing;
|
|
|
|
public FloatingSprite(Actor emitter, string image, string[] sequences, string palette, bool isPlayerPalette,
|
|
int[] lifetime, WDist[] speed, WDist[] gravity, int turnRate, int randomRate, WPos pos, WAngle facing,
|
|
bool visibleThroughFog = false)
|
|
{
|
|
var world = emitter.World;
|
|
this.pos = pos;
|
|
this.turnRate = turnRate;
|
|
this.randomRate = randomRate;
|
|
this.speed = speed;
|
|
this.gravity = gravity;
|
|
this.visibleThroughFog = visibleThroughFog;
|
|
this.facing = facing;
|
|
|
|
anim = new Animation(world, image, () => facing);
|
|
anim.PlayRepeating(sequences.Random(world.LocalRandom));
|
|
world.ScreenMap.Add(this, pos, anim.Image);
|
|
this.lifetime = Util.RandomInRange(world.LocalRandom, lifetime);
|
|
|
|
this.palette = isPlayerPalette ? palette + emitter.Owner.InternalName : palette;
|
|
}
|
|
|
|
public void Tick(World world)
|
|
{
|
|
if (--lifetime < 0)
|
|
{
|
|
world.AddFrameEndTask(w => { w.Remove(this); w.ScreenMap.Remove(this); });
|
|
return;
|
|
}
|
|
|
|
if (--ticks < 0)
|
|
{
|
|
var forward = Util.RandomDistance(world.LocalRandom, speed).Length;
|
|
var height = Util.RandomDistance(world.LocalRandom, gravity).Length;
|
|
|
|
offset = new WVec(forward, 0, height);
|
|
|
|
if (turnRate > 0)
|
|
facing = WAngle.FromFacing(Util.NormalizeFacing(facing.Facing + world.LocalRandom.Next(-turnRate, turnRate)));
|
|
|
|
offset = offset.Rotate(WRot.FromYaw(facing));
|
|
|
|
ticks = randomRate;
|
|
}
|
|
|
|
anim.Tick();
|
|
|
|
pos += offset;
|
|
|
|
world.ScreenMap.Update(this, pos, anim.Image);
|
|
}
|
|
|
|
public IEnumerable<IRenderable> Render(WorldRenderer wr)
|
|
{
|
|
if (!visibleThroughFog && wr.World.FogObscures(pos))
|
|
return SpriteRenderable.None;
|
|
|
|
return anim.Render(pos, wr.Palette(palette));
|
|
}
|
|
}
|
|
}
|