57 lines
1.6 KiB
C#
57 lines
1.6 KiB
C#
using System;
|
|
using Robust.Client.Graphics.Drawing;
|
|
using Robust.Client.Graphics.Shaders;
|
|
using Robust.Client.UserInterface;
|
|
using Robust.Shared.IoC;
|
|
using Robust.Shared.Maths;
|
|
using Robust.Shared.Prototypes;
|
|
|
|
namespace Content.Client.UserInterface
|
|
{
|
|
|
|
public class CooldownGraphic : Control
|
|
{
|
|
|
|
[Dependency] private readonly IPrototypeManager _protoMan = default!;
|
|
|
|
private ShaderInstance _shader;
|
|
|
|
public CooldownGraphic()
|
|
{
|
|
IoCManager.InjectDependencies(this);
|
|
_shader = _protoMan.Index<ShaderPrototype>("CooldownAnimation").InstanceUnique();
|
|
}
|
|
|
|
/// <summary>
|
|
/// Progress of the cooldown animation.
|
|
/// Possible values range from 1 to -1, where 1 to 0 is a depleting circle animation and 0 to -1 is a blink animation.
|
|
/// </summary>
|
|
public float Progress { get; set; }
|
|
|
|
protected override void Draw(DrawingHandleScreen handle)
|
|
{
|
|
Span<float> x = stackalloc float[10];
|
|
Color color;
|
|
|
|
var lerp = 1f - MathF.Abs(Progress); // for future bikeshedding purposes
|
|
|
|
if (Progress >= 0f)
|
|
{
|
|
var hue = (5f / 18f) * lerp;
|
|
color = Color.FromHsv((hue, 0.75f, 0.75f, 0.50f));
|
|
}
|
|
else
|
|
{
|
|
var alpha = MathHelper.Clamp(0.5f * lerp, 0f, 0.5f);
|
|
color = new Color(1f, 1f, 1f, alpha);
|
|
}
|
|
|
|
_shader.SetParameter("progress", Progress);
|
|
handle.UseShader(_shader);
|
|
handle.DrawRect(PixelSizeBox, color);
|
|
}
|
|
|
|
}
|
|
|
|
}
|