Files
tbd-station-14/Content.Client/Flash/FlashOverlay.cs
2024-06-02 00:17:53 -04:00

103 lines
3.7 KiB
C#

using Content.Shared.Flash;
using Content.Shared.Flash.Components;
using Content.Shared.StatusEffect;
using Content.Client.Viewport;
using Robust.Client.Graphics;
using Robust.Client.State;
using Robust.Client.Player;
using Robust.Shared.Enums;
using Robust.Shared.Prototypes;
using Robust.Shared.Timing;
using SixLabors.ImageSharp.PixelFormats;
namespace Content.Client.Flash
{
public sealed class FlashOverlay : Overlay
{
[Dependency] private readonly IPrototypeManager _prototypeManager = default!;
[Dependency] private readonly IClyde _displayManager = default!;
[Dependency] private readonly IStateManager _stateManager = default!;
[Dependency] private readonly IEntityManager _entityManager = default!;
[Dependency] private readonly IPlayerManager _playerManager = default!;
[Dependency] private readonly IGameTiming _timing = default!;
private readonly StatusEffectsSystem _statusSys;
public override OverlaySpace Space => OverlaySpace.WorldSpace;
private readonly ShaderInstance _shader;
public float PercentComplete = 0.0f;
public Texture? ScreenshotTexture;
public FlashOverlay()
{
IoCManager.InjectDependencies(this);
_shader = _prototypeManager.Index<ShaderPrototype>("FlashedEffect").InstanceUnique();
_statusSys = _entityManager.System<StatusEffectsSystem>();
}
protected override void FrameUpdate(FrameEventArgs args)
{
var playerEntity = _playerManager.LocalEntity;
if (playerEntity == null)
return;
if (!_entityManager.HasComponent<FlashedComponent>(playerEntity)
|| !_entityManager.TryGetComponent<StatusEffectsComponent>(playerEntity, out var status))
return;
if (!_statusSys.TryGetTime(playerEntity.Value, SharedFlashSystem.FlashedKey, out var time, status))
return;
var curTime = _timing.CurTime;
var lastsFor = (float) (time.Value.Item2 - time.Value.Item1).TotalSeconds;
var timeDone = (float) (curTime - time.Value.Item1).TotalSeconds;
PercentComplete = timeDone / lastsFor;
}
public void ReceiveFlash()
{
if (_stateManager.CurrentState is IMainViewportState state)
{
// take a screenshot
// note that the callback takes a while and ScreenshotTexture will be null the first few Draws
state.Viewport.Viewport.Screenshot(image =>
{
var rgba32Image = image.CloneAs<Rgba32>(SixLabors.ImageSharp.Configuration.Default);
ScreenshotTexture = _displayManager.LoadTextureFromImage(rgba32Image);
});
}
}
protected override bool BeforeDraw(in OverlayDrawArgs args)
{
if (!_entityManager.TryGetComponent(_playerManager.LocalEntity, out EyeComponent? eyeComp))
return false;
if (args.Viewport.Eye != eyeComp.Eye)
return false;
return PercentComplete < 1.0f;
}
protected override void Draw(in OverlayDrawArgs args)
{
if (ScreenshotTexture == null)
return;
var worldHandle = args.WorldHandle;
_shader.SetParameter("percentComplete", PercentComplete);
worldHandle.UseShader(_shader);
worldHandle.DrawTextureRectRegion(ScreenshotTexture, args.WorldBounds);
worldHandle.UseShader(null);
}
protected override void DisposeBehavior()
{
base.DisposeBehavior();
ScreenshotTexture = null;
PercentComplete = 1.0f;
}
}
}