Хирургия (попытка 2)

Content.Client/Backmen/Body/BodySystem.cs

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+using Content.Shared.Body.Systems;
+using Content.Shared.Body.Part;
+using Content.Shared.Humanoid;
+using Content.Shared.Humanoid.Markings;
+using Robust.Client.GameObjects;
+using Robust.Shared.Utility;
+using Content.Shared.Body.Components;
+
+namespace Content.Client.Body.Systems;
+
+public sealed class BodySystem : SharedBodySystem
+{
+    [Dependency] private readonly MarkingManager _markingManager = default!;
+
+    private void ApplyMarkingToPart(MarkingPrototype markingPrototype,
+        IReadOnlyList<Color>? colors,
+        bool visible,
+        SpriteComponent sprite)
+    {
+        for (var j = 0; j < markingPrototype.Sprites.Count; j++)
+        {
+            var markingSprite = markingPrototype.Sprites[j];
+
+            if (markingSprite is not SpriteSpecifier.Rsi rsi)
+                continue;
+
+            var layerId = $"{markingPrototype.ID}-{rsi.RsiState}";
+
+            if (!sprite.LayerMapTryGet(layerId, out _))
+            {
+                var layer = sprite.AddLayer(markingSprite, j + 1);
+                sprite.LayerMapSet(layerId, layer);
+                sprite.LayerSetSprite(layerId, rsi);
+            }
+
+            sprite.LayerSetVisible(layerId, visible);
+
+            if (!visible)
+                continue;
+
+            // Okay so if the marking prototype is modified but we load old marking data this may no longer be valid
+            // and we need to check the index is correct. So if that happens just default to white?
+            if (colors != null && j < colors.Count)
+                sprite.LayerSetColor(layerId, colors[j]);
+            else
+                sprite.LayerSetColor(layerId, Color.White);
+        }
+    }
+
+    protected override void ApplyPartMarkings(EntityUid target, BodyPartAppearanceComponent component)
+    {
+        if (!TryComp(target, out SpriteComponent? sprite))
+            return;
+
+        if (component.Color != null)
+            sprite.Color = component.Color.Value;
+
+        foreach (var (visualLayer, markingList) in component.Markings)
+            foreach (var marking in markingList)
+            {
+                if (!_markingManager.TryGetMarking(marking, out var markingPrototype))
+                    continue;
+
+                ApplyMarkingToPart(markingPrototype, marking.MarkingColors, marking.Visible, sprite);
+            }
+    }
+
+    protected override void RemoveBodyMarkings(EntityUid target, BodyPartAppearanceComponent partAppearance, HumanoidAppearanceComponent bodyAppearance)
+    {
+        return;
+    }
+}

Content.Client/Backmen/Body/Components/BrainComponent.cs

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+namespace Content.Client.Backmen.Body.Components;
+
+[RegisterComponent]
+public sealed partial class BrainComponent : Component;

Content.Client/Backmen/Body/Components/LungComponent.cs

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+namespace Content.Client.Backmen.Body.Components;
+
+[RegisterComponent]
+public sealed partial class LungComponent : Component;

Content.Client/Backmen/Body/Components/StomachComponent.cs

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+namespace Content.Client.Backmen.Body.Components;
+
+[RegisterComponent]
+public sealed partial class StomachComponent : Component;