Add Screensaver plugin

Dalamud/Fools/FoolsManager.cs

@@ -78,7 +78,8 @@ internal class FoolsManager : IDisposable, IServiceType
             new("Pixel Imperfect", "PixelImperfectPlugin", "Whoops... we messed up the math on that one.", "Halpo",
                 typeof(PixelImperfectPlugin)),
             new("DailyLifeDuty", "DailyLifeDutyPlugin", "Easily Track Daily and Weekly tasks... in real life", "MidoriKami", typeof(DailyLifeDutyPlugin)),
-            new("Oops, Maybe Lalafells!", "OopsMaybeLalafellsPlugin", "Turn everyone into Lalafells? Maybe. We haven't quite tested it yet.", "Chrip", typeof(OopsMaybeLalafells))
+            new("Oops, Maybe Lalafells!", "OopsMaybeLalafellsPlugin", "Turn everyone into Lalafells? Maybe. We haven't quite tested it yet.", "Chrip", typeof(OopsMaybeLalafells)),
+            new("Screensaver", "ScreensaverPlugin", "Prevent burn-in on loading screens.", "NotNite", typeof(ScreensaverPlugin)),
         };
     }
 

Dalamud/Fools/Plugins/ScreensaverPlugin.cs

@@ -0,0 +1,68 @@
+using System;
+using System.IO;
+using System.Numerics;
+using Dalamud.Game.ClientState.Conditions;
+using Dalamud.Interface;
+using Dalamud.Interface.Internal;
+using ImGuiNET;
+using ImGuiScene;
+using static ImGuiNET.ImGuiWindowFlags;
+
+namespace Dalamud.Fools.Plugins;
+
+public class ScreensaverPlugin : IFoolsPlugin
+{
+    private readonly TextureWrap logoTexture;
+    private readonly Condition condition;
+
+    private int x;
+    private int y;
+
+    private bool xDir = true;
+    private bool yDir = true;
+
+    private double lastTime;
+
+    public ScreensaverPlugin()
+    {
+        var interfaceManager = Service<InterfaceManager>.Get();
+        var dalamud = Service<Dalamud>.Get();
+        this.condition = Service<Condition>.Get();
+
+        this.logoTexture =
+            interfaceManager.LoadImage(Path.Combine(dalamud.AssetDirectory.FullName, "UIRes", "logo.png"))!;
+    }
+
+    public void DrawUi()
+    {
+        var time = Environment.TickCount64 / 1000.0;
+        var diff = time - this.lastTime;
+        diff = diff > 1 ? 1 : diff;
+        this.lastTime = time;
+
+        if (!this.condition[ConditionFlag.BetweenAreas])
+        {
+            return;
+        }
+
+        var textureSize = new Vector2(100);
+        var maxSize = ImGui.GetMainViewport().Size - textureSize;
+        this.xDir = this.xDir ? this.x < maxSize.X : this.x > 0;
+        this.yDir = this.yDir ? this.y < maxSize.Y : this.y > 0;
+
+        this.x += (int)(diff * (this.xDir ? 1 : -1) * 100);
+        this.y += (int)(diff * (this.yDir ? 1 : -1) * 100);
+
+        ImGui.PushStyleVar(ImGuiStyleVar.WindowPadding, new Vector2(0, 0));
+        ImGuiHelpers.ForceNextWindowMainViewport();
+        ImGuiHelpers.SetNextWindowPosRelativeMainViewport(new Vector2(this.x, this.y));
+        ImGui.Begin("Screensaver", NoInputs | NoNav | NoTitleBar | NoScrollbar | NoBackground);
+        ImGui.SetWindowSize(textureSize);
+        ImGui.Image(this.logoTexture.ImGuiHandle, textureSize);
+    }
+
+    public void Dispose()
+    {
+        this.logoTexture.Dispose();
+    }
+}