Re-organize all projects (#4166)

Content.Client/MobState/Overlays/CritOverlay.cs

@@ -0,0 +1,59 @@
+using Content.Shared.MobState;
+using Robust.Client.Graphics;
+using Robust.Client.Player;
+using Robust.Shared.Enums;
+using Robust.Shared.IoC;
+using Robust.Shared.Maths;
+using Robust.Shared.Prototypes;
+
+namespace Content.Client.MobState.Overlays
+{
+    public class CritOverlay : Overlay
+    {
+        [Dependency] private readonly IPrototypeManager _prototypeManager = default!;
+        [Dependency] private readonly IEyeManager _eyeManager = default!;
+        [Dependency] private readonly IPlayerManager _playerManager = default!;
+
+        public override OverlaySpace Space => OverlaySpace.WorldSpace;
+        private readonly ShaderInstance _gradientCircleShader;
+        private readonly ShaderInstance? _glowingBorderShader;
+
+        public CritOverlay()
+        {
+            IoCManager.InjectDependencies(this);
+            _gradientCircleShader = _prototypeManager.Index<ShaderPrototype>("GradientCircleMask").Instance();
+        }
+
+        public static bool LocalPlayerHasState(IPlayerManager pm, bool critical, bool dead) {
+            var playerEntity = pm.LocalPlayer?.ControlledEntity;
+
+            if (playerEntity == null)
+            {
+                return false;
+            }
+
+            if (playerEntity.TryGetComponent<IMobStateComponent>(out var mobState))
+            {
+                if (critical)
+                    if (mobState.IsCritical())
+                        return true;
+                if (dead)
+                    if (mobState.IsDead())
+                        return true;
+            }
+
+            return false;
+        }
+
+        protected override void Draw(in OverlayDrawArgs args)
+        {
+            if (!LocalPlayerHasState(_playerManager, true, false))
+                return;
+
+            var worldHandle = args.WorldHandle;
+            var viewport = _eyeManager.GetWorldViewport();
+            worldHandle.UseShader(_gradientCircleShader);
+            worldHandle.DrawRect(viewport, Color.White);
+        }
+    }
+}