Re-organize all projects (#4166)

Content.Client/Flash/FlashOverlay.cs

@@ -0,0 +1,71 @@
+using Content.Client.Viewport;
+using Robust.Client.Graphics;
+using Robust.Client.State;
+using Robust.Shared.Enums;
+using Robust.Shared.IoC;
+using Robust.Shared.Maths;
+using Robust.Shared.Prototypes;
+using Robust.Shared.Timing;
+using SixLabors.ImageSharp.PixelFormats;
+
+namespace Content.Client.Flash
+{
+    public class FlashOverlay : Overlay
+    {
+        [Dependency] private readonly IPrototypeManager _prototypeManager = default!;
+        [Dependency] private readonly IClyde _displayManager = default!;
+        [Dependency] private readonly IGameTiming _gameTiming = default!;
+        [Dependency] private readonly IStateManager _stateManager = default!;
+
+        public override OverlaySpace Space => OverlaySpace.ScreenSpace;
+        private readonly ShaderInstance _shader;
+        private double _startTime = -1;
+        private double _lastsFor = 1;
+        private Texture? _screenshotTexture;
+
+        public FlashOverlay()
+        {
+            IoCManager.InjectDependencies(this);
+            _shader = _prototypeManager.Index<ShaderPrototype>("FlashedEffect").Instance().Duplicate();
+        }
+
+        public void ReceiveFlash(double duration)
+        {
+            if (_stateManager.CurrentState is IMainViewportState state)
+            {
+                state.Viewport.Viewport.Screenshot(image =>
+                {
+                    var rgba32Image = image.CloneAs<Rgba32>(SixLabors.ImageSharp.Configuration.Default);
+                    _screenshotTexture = _displayManager.LoadTextureFromImage(rgba32Image);
+                });
+            }
+
+            _startTime = _gameTiming.CurTime.TotalSeconds;
+            _lastsFor = duration;
+        }
+
+        protected override void Draw(in OverlayDrawArgs args)
+        {
+            var percentComplete = (float) ((_gameTiming.CurTime.TotalSeconds - _startTime) / _lastsFor);
+            if (percentComplete >= 1.0f)
+                return;
+
+            var screenSpaceHandle = args.ScreenHandle;
+            screenSpaceHandle.UseShader(_shader);
+            _shader.SetParameter("percentComplete", percentComplete);
+
+            var screenSize = UIBox2.FromDimensions((0, 0), _displayManager.ScreenSize);
+
+            if (_screenshotTexture != null)
+            {
+                screenSpaceHandle.DrawTextureRect(_screenshotTexture, screenSize);
+            }
+        }
+
+        protected override void DisposeBehavior()
+        {
+            base.Dispose();
+            _screenshotTexture = null;
+        }
+    }
+}