Ghost'icks

Content.Client/_White/CustomGhostSpriteSystem/CustomGhostVisualizer.cs

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+using System.Numerics;
+using Content.Shared.Ghost;
+using Content.Shared._White.CustomGhostSystem;
+using Robust.Client.GameObjects;
+
+namespace Content.Client._White.CustomGhostSpriteSystem;
+
+public sealed class CustomGhostVisualizer : VisualizerSystem<GhostComponent>
+{
+    protected override void OnAppearanceChange(EntityUid uid, GhostComponent component, ref AppearanceChangeEvent args)
+    {
+        base.OnAppearanceChange(uid, component, ref args);
+
+        if(args.Sprite == null) return;
+
+        if (AppearanceSystem.TryGetData<string>(uid, CustomGhostAppearance.Sprite, out var rsiPath, args.Component))
+        {
+            args.Sprite.LayerSetRSI(0, rsiPath);
+        }
+
+        if(AppearanceSystem.TryGetData<float>(uid, CustomGhostAppearance.AlphaOverride, out var alpha, args.Component))
+        {
+            args.Sprite.Color = args.Sprite.Color.WithAlpha(alpha);
+        }
+
+        if (AppearanceSystem.TryGetData<Vector2>(uid, CustomGhostAppearance.SizeOverride, out var size, args.Component))
+        {
+            args.Sprite.Scale = size;
+        }
+    }
+}

Content.Server/_White/CustomGhostSpriteSystem/CustomGhostSpriteSystem.cs

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+using Content.Server.Ghost.Components;
+using Content.Shared.Ghost;
+using Content.Shared._White.CustomGhostSystem;
+using Robust.Server.GameObjects;
+using Robust.Server.Player;
+using Robust.Shared.Player;
+using Robust.Shared.Prototypes;
+
+namespace Content.Server._White.CustomGhostSpriteSystem;
+
+public sealed class CustomGhostSpriteSystem : EntitySystem
+{
+    [Dependency] private readonly IPrototypeManager _prototypeManager = default!;
+    [Dependency] private readonly SharedAppearanceSystem _appearanceSystem = default!;
+    [Dependency] private readonly IPlayerManager _playerManager = default!;
+    [Dependency] private readonly MetaDataSystem _metaData = default!;
+
+
+    public override void Initialize()
+    {
+        base.Initialize();
+        SubscribeLocalEvent<GhostComponent, PlayerAttachedEvent>(OnShit);
+    }
+
+    private void OnShit(EntityUid uid, GhostComponent component, PlayerAttachedEvent args)
+    {
+        if(!_playerManager.TryGetSessionByEntity(uid, out var session))
+            return;
+
+        TrySetCustomSprite(uid, session.Name);
+    }
+
+
+    public void TrySetCustomSprite(EntityUid ghostUid, string ckey)
+    {
+        var prototypes = _prototypeManager.EnumeratePrototypes<CustomGhostPrototype>();
+
+        foreach (var customGhostPrototype in prototypes)
+        {
+            if (string.Equals(customGhostPrototype.Ckey, ckey, StringComparison.CurrentCultureIgnoreCase))
+            {
+                _appearanceSystem.SetData(ghostUid, CustomGhostAppearance.Sprite, customGhostPrototype.CustomSpritePath.ToString());
+                _appearanceSystem.SetData(ghostUid, CustomGhostAppearance.SizeOverride, customGhostPrototype.SizeOverride);
+
+                if(customGhostPrototype.AlphaOverride > 0)
+                {
+                    _appearanceSystem.SetData(ghostUid, CustomGhostAppearance.AlphaOverride, customGhostPrototype.AlphaOverride);
+                }
+
+                if (customGhostPrototype.GhostName != string.Empty)
+                {
+                    _metaData.SetEntityName(ghostUid, customGhostPrototype.GhostName);
+                }
+
+                if (customGhostPrototype.GhostDescription != string.Empty)
+                {
+                    _metaData.SetEntityDescription(ghostUid, customGhostPrototype.GhostDescription);
+                }
+
+
+
+
+                return;
+            }
+
+        }
+    }
+}

Content.Shared/_White/CustomGhostSystem/CustomGhostPrototype.cs

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+using System.Numerics;
+using Robust.Shared.Prototypes;
+using Robust.Shared.Serialization;
+using Robust.Shared.Utility;
+
+namespace Content.Shared._White.CustomGhostSystem;
+
+/// <summary>
+/// This is a prototype for...
+/// </summary>
+[Prototype("customGhost")]
+public sealed class CustomGhostPrototype : IPrototype
+{
+    /// <inheritdoc/>
+    [IdDataField]
+    public string ID { get; } = default!;
+
+    [DataField("ckey", required: true)]
+    public string Ckey { get; } = default!;
+
+    [DataField("sprite", required: true)]
+    public ResPath CustomSpritePath { get; } = default!;
+
+    [DataField("alpha")]
+    public float AlphaOverride { get; } = -1;
+
+    [DataField("ghostName")]
+    public string GhostName = string.Empty;
+
+    [DataField("ghostDescription")]
+    public string GhostDescription = string.Empty;
+
+    [DataField("size")]
+    public Vector2 SizeOverride = Vector2.One;
+}
+
+[Serializable, NetSerializable]
+public enum CustomGhostAppearance
+{
+    Sprite,
+    AlphaOverride,
+    SizeOverride
+}