Re-organize all projects (#4166)

Content.Client/Parallax/ParallaxControl.cs

@@ -0,0 +1,47 @@
+using Content.Client.Parallax.Managers;
+using Robust.Client.Graphics;
+using Robust.Client.UserInterface;
+using Robust.Shared.IoC;
+using Robust.Shared.Maths;
+using Robust.Shared.Random;
+using Robust.Shared.ViewVariables;
+
+namespace Content.Client.Parallax
+{
+    /// <summary>
+    ///     Renders the parallax background as a UI control.
+    /// </summary>
+    public sealed class ParallaxControl : Control
+    {
+        [Dependency] private readonly IParallaxManager _parallaxManager = default!;
+        [Dependency] private readonly IRobustRandom _random = default!;
+
+        [ViewVariables(VVAccess.ReadWrite)] public Vector2i Offset { get; set; }
+
+        public ParallaxControl()
+        {
+            IoCManager.InjectDependencies(this);
+
+            Offset = (_random.Next(0, 1000), _random.Next(0, 1000));
+            RectClipContent = true;
+        }
+
+        protected override void Draw(DrawingHandleScreen handle)
+        {
+            var tex = _parallaxManager.ParallaxTexture;
+            if (tex == null)
+                return;
+
+            var size = tex.Size;
+            var ourSize = PixelSize;
+
+            for (var x = -size.X + Offset.X; x < ourSize.X; x += size.X)
+            {
+                for (var y = -size.Y + Offset.Y; y < ourSize.Y; y += size.Y)
+                {
+                    handle.DrawTexture(tex, (x, y));
+                }
+            }
+        }
+    }
+}