Fix tests

HasTraitCondition instead of Conflicts and Requirements
RemoveBodyPartEffect instead of AmputeeComponent/System
Remove redundant BorgChassis checks
Remove failed condition check and just show the full one
Improve vision trait conditions

Content.Client/_DV/Traits/UI/DisabledTraitsPopup.xaml.cs

@@ -70,8 +70,7 @@ public sealed partial class DisabledTraitsPopup : FancyWindow
                 {
                     Margin = new Thickness(10, 2, 0, 0)
                 };
-                reasonLabel.SetMessage(FormattedMessage.FromMarkupOrThrow(
-                    Loc.GetString("disabled-traits-popup-reason", ("reason", reason))));
+                reasonLabel.SetMessage(FormattedMessage.FromMarkupOrThrow(reason));
                 container.AddChild(reasonLabel);
             }
 

Content.Client/_DV/Traits/UI/TraitCategory.xaml.cs

@@ -171,11 +171,11 @@ public sealed partial class TraitCategory : BoxContainer
     /// Updates condition states for all trait entries based on current job/species.
     /// Traits that don't meet conditions are disabled but still visible.
     /// </summary>
-    public void UpdateConditions(ProtoId<JobPrototype>? jobId, ProtoId<SpeciesPrototype>? speciesId, IReadOnlySet<ProtoId<AntagPrototype>>? antagPreferences)
+    public void UpdateConditions(ProtoId<JobPrototype>? jobId, ProtoId<SpeciesPrototype>? speciesId, IReadOnlySet<ProtoId<AntagPrototype>>? antagPreferences, IReadOnlySet<ProtoId<TraitPrototype>>? traits)
     {
         foreach (var (_, entry) in _traitEntries)
         {
-            entry.UpdateConditionsMet(jobId, speciesId, antagPreferences);
+            entry.UpdateConditionsMet(jobId, speciesId, antagPreferences, traits);
         }
 
         // Update stats since some traits may have been deselected

Content.Client/_DV/Traits/UI/TraitEntry.xaml.cs

@@ -1,3 +1,4 @@
+using System.Text;
 using Content.Shared._DV.Traits;
 using Content.Shared._DV.Traits.Conditions;
 using Content.Shared.Humanoid.Prototypes;
@@ -25,7 +26,6 @@ public sealed partial class TraitEntry : PanelContainer
 
     private readonly TraitPrototype _trait;
     private bool _isUpdating;
-    private readonly List<string> _failedConditionTooltips = new();
 
     public TraitEntry(TraitPrototype trait)
     {
@@ -55,24 +55,23 @@ public sealed partial class TraitEntry : PanelContainer
 
     private void UpdateConditionTooltips()
     {
-        var tooltips = new List<string>();
+        var conditionsTooltip = new StringBuilder();
 
         foreach (var condition in _trait.Conditions)
         {
-            var tooltip = condition.GetTooltip(_prototype, _loc);
-            if (!string.IsNullOrEmpty(tooltip))
-                tooltips.Add(tooltip);
+            conditionsTooltip.Append(condition.GetTooltip(_prototype, _loc, 0));
         }
 
-        if (tooltips.Count > 0)
+        if (conditionsTooltip.Length > 0)
         {
-            var tooltipText = Loc.GetString("trait-conditions-tooltip",
-                ("requirements", string.Join("\n", tooltips)));
-
-            TooltipSupplier = _ => CreateMarkupTooltip(tooltipText);
+            var tooltip = Loc.GetString("trait-conditions-tooltip", ("conditions", conditionsTooltip.ToString())).ToString().Trim();
+            var markupTooltip = CreateMarkupTooltip(tooltip);
+            TooltipSupplier = _ => markupTooltip;
         }
         else
+        {
             TooltipSupplier = null;
+        }
     }
 
     /// <summary>
@@ -91,9 +90,8 @@ public sealed partial class TraitEntry : PanelContainer
     /// <summary>
     /// Updates whether conditions are met based on current job/species.
     /// </summary>
-    public void UpdateConditionsMet(ProtoId<JobPrototype>? jobId, ProtoId<SpeciesPrototype>? speciesId, IReadOnlySet<ProtoId<AntagPrototype>>? antagPreferences)
+    public void UpdateConditionsMet(ProtoId<JobPrototype>? jobId, ProtoId<SpeciesPrototype>? speciesId, IReadOnlySet<ProtoId<AntagPrototype>>? antagPreferences, IReadOnlySet<ProtoId<TraitPrototype>>? traits)
     {
-        _failedConditionTooltips.Clear();
         MeetsConditions = true;
 
         foreach (var condition in _trait.Conditions)
@@ -105,7 +103,8 @@ public sealed partial class TraitEntry : PanelContainer
                 InDepartmentCondition deptCond => CheckDepartmentCondition(deptCond, jobId),
                 HasCompCondition compCond => !compCond.Invert, // can't check in lobby but screws with the inversion logic
                 IsAntagEligibleCondition antagEligibleCond => CheckAntagEligibleCondition(antagEligibleCond, antagPreferences),
-                AnyOfCondition anyOfCond => CheckAnyOfCondition(anyOfCond, jobId, speciesId, antagPreferences),
+                HasTraitCondition hasTrait => CheckHasTraitCondition(hasTrait, traits),
+                AnyOfCondition anyOfCond => CheckAnyOfCondition(anyOfCond, jobId, speciesId, antagPreferences, traits),
                 _ => true,
             };
 
@@ -115,9 +114,6 @@ public sealed partial class TraitEntry : PanelContainer
             if (!result)
             {
                 MeetsConditions = false;
-                var tooltip = condition.GetTooltip(_prototype, _loc);
-                if (!string.IsNullOrEmpty(tooltip))
-                    _failedConditionTooltips.Add(tooltip);
             }
         }
 
@@ -159,7 +155,15 @@ public sealed partial class TraitEntry : PanelContainer
         return antagPreferences.Contains(condition.Antag);
     }
 
-    private bool CheckAnyOfCondition(AnyOfCondition condition, ProtoId<JobPrototype>? jobId, ProtoId<SpeciesPrototype>? speciesId, IReadOnlySet<ProtoId<AntagPrototype>>? antagPreferences)
+    private bool CheckHasTraitCondition(HasTraitCondition condition, IReadOnlySet<ProtoId<TraitPrototype>>? traits)
+    {
+        if (traits is null)
+            return false;
+
+        return traits.Contains(condition.Trait);
+    }
+
+    private bool CheckAnyOfCondition(AnyOfCondition condition, ProtoId<JobPrototype>? jobId, ProtoId<SpeciesPrototype>? speciesId, IReadOnlySet<ProtoId<AntagPrototype>>? antagPreferences, IReadOnlySet<ProtoId<TraitPrototype>>? traits)
     {
         if (condition.Conditions.Count == 0)
             return false;
@@ -173,8 +177,9 @@ public sealed partial class TraitEntry : PanelContainer
                 HasJobCondition jobCond => CheckJobCondition(jobCond, jobId),
                 InDepartmentCondition deptCond => CheckDepartmentCondition(deptCond, jobId),
                 HasCompCondition compCond => !compCond.Invert, // can't check in lobby
-                AnyOfCondition nestedAnyOf => CheckAnyOfCondition(nestedAnyOf, jobId, speciesId, antagPreferences), // Recursive!
                 IsAntagEligibleCondition antagEligibleCond => CheckAntagEligibleCondition(antagEligibleCond, antagPreferences),
+                HasTraitCondition hasTrait => CheckHasTraitCondition(hasTrait, traits),
+                AnyOfCondition nestedAnyOf => CheckAnyOfCondition(nestedAnyOf, jobId, speciesId, antagPreferences, traits), // Recursive!
                 _ => true,
             };
 
@@ -210,15 +215,6 @@ public sealed partial class TraitEntry : PanelContainer
 
             // Add disabled styling
             AddStyleClass("TraitsEntryDisabled");
-
-            // Update tooltip to show failed conditions
-            if (_failedConditionTooltips.Count > 0)
-            {
-                var tooltipText = Loc.GetString("trait-conditions-not-met-tooltip",
-                    ("requirements", string.Join("\n", _failedConditionTooltips)));
-
-                TooltipSupplier = _ => CreateMarkupTooltip(tooltipText);
-            }
         }
         else
         {

Content.Client/_DV/Traits/UI/TraitsTab.xaml.cs

@@ -1,7 +1,6 @@
 using System.Linq;
 using Content.Shared._DV.CCVars;
 using Content.Shared._DV.Traits;
-using Content.Shared.Humanoid.Prototypes;
 using Content.Shared.Preferences;
 using Robust.Client.AutoGenerated;
 using Robust.Client.UserInterface.Controls;
@@ -154,16 +153,6 @@ public sealed partial class TraitsTab : BoxContainer
                 }
             }
 
-            // Check conflicts
-            foreach (var conflict in trait.Conflicts)
-            {
-                if (!_selectedTraits.Contains(conflict))
-                    continue;
-
-                RevertTraitToggle(traitId);
-                return;
-            }
-
             _selectedTraits.Add(traitId);
             _currentTraitCount++;
             _currentPointsSpent += trait.Cost;
@@ -177,6 +166,7 @@ public sealed partial class TraitsTab : BoxContainer
 
         UpdateGlobalStats();
         UpdateCategoryStats(trait.Category);
+        UpdateAllConditions();
         OnTraitsChanged?.Invoke(_selectedTraits);
     }
 
@@ -211,7 +201,7 @@ public sealed partial class TraitsTab : BoxContainer
             // If parent width is 0 (not laid out yet), defer until layout happens
             if (parentWidth > 0)
             {
-                GlobalPointsBar.SetWidth = (int)((parentWidth - 2 ) * percentage);
+                GlobalPointsBar.SetWidth = (int)((parentWidth - 2) * percentage);
                 _awaitingLayoutUpdate = false;
             }
             else if (!_awaitingLayoutUpdate)
@@ -281,7 +271,7 @@ public sealed partial class TraitsTab : BoxContainer
         foreach (var (_, categoryUi) in _categoryUis)
         {
             // If some fork wants to use the top selected job as well, just add that to the UpdateConditions method in the editor
-            categoryUi.UpdateConditions(null, _profile?.Species, _profile?.AntagPreferences);
+            categoryUi.UpdateConditions(null, _profile?.Species, _profile?.AntagPreferences, _selectedTraits);
         }
 
         RecalculateStats();

Content.IntegrationTests/Tests/_DV/TraitSystemTest.cs

@@ -6,7 +6,10 @@ using Content.Shared._DV.Traits.Conditions;
 using Content.Shared._DV.Traits.Effects;
 using Content.Shared.Hands.Components;
 using Content.Shared.Hands.EntitySystems;
+using Content.Shared.Humanoid.Prototypes;
 using Content.Shared.Nutrition.Components;
+using Content.Shared.Preferences;
+using Content.Shared.Roles;
 using Robust.Shared.GameObjects;
 using Robust.Shared.IoC;
 using Robust.Shared.Log;
@@ -20,7 +23,7 @@ namespace Content.IntegrationTests.Tests._DV;
 /// Tests all conditions, effects, and validation logic.
 /// </summary>
 [TestFixture]
-[TestOf(typeof(TraitSystemTest))]
+[TestOf(typeof(TraitSystem))]
 public sealed partial class TraitSystemTest
 {
     [TestPrototypes]
@@ -107,8 +110,10 @@ public sealed partial class TraitSystemTest
   description: trait-dysgraphia-name
   category: TestCategoryUnlimited
   cost: 0
-  conflicts:
-  - TestTraitConflictB
+  conditions:
+  - !type:HasTraitCondition
+    trait: TestTraitConflictB
+    invert: true
   effects:
   - !type:AddCompsEffect
     components:
@@ -582,31 +587,29 @@ public sealed partial class TraitSystemTest
         await using var pair = await PoolManager.GetServerClient(new PoolSettings { Dirty = true });
         var server = pair.Server;
         var entMan = server.ResolveDependency<IEntityManager>();
+        var protoMan = server.ProtoMan;
 
         await server.WaitAssertion(() =>
         {
             var player = entMan.SpawnEntity(null, MapCoordinates.Nullspace);
 
-            var selectedTraits = new HashSet<ProtoId<TraitPrototype>>
-            {
-                "TestTraitConflictA",
-                "TestTraitConflictB",
-            };
+            var profile = new HumanoidCharacterProfile()
+                .WithTraitPreference("TestTraitConflictA", protoMan)
+                .WithTraitPreference("TestTraitConflictB", protoMan);
 
             var traitSys = entMan.System<TraitSystem>();
             var method = typeof(TraitSystem).GetMethod("ValidateTraits",
                 BindingFlags.NonPublic | BindingFlags.Instance);
 
+            var disabledTraits = new Dictionary<ProtoId<TraitPrototype>, List<string>>();
             var validTraits = (HashSet<ProtoId<TraitPrototype>>)method?.Invoke(traitSys,
-                new object[] { player, selectedTraits, null, null, null, null, new Dictionary<ProtoId<TraitPrototype>, List<string>>() });
+                new object[] { player, profile.TraitPreferences, null, null, null, profile, disabledTraits });
 
             Assert.Multiple(() =>
             {
                 Assert.That(validTraits?.Count, Is.EqualTo(1), "Only one conflicting trait should be valid");
-                Assert.That(validTraits.Contains("TestTraitConflictA"), Is.True, "First trait should be kept");
-                Assert.That(validTraits.Contains("TestTraitConflictB"),
-                    Is.False,
-                    "Conflicting trait should be rejected");
+                Assert.That(validTraits.Contains("TestTraitConflictB"), Is.True, "Non-complaining trait should be kept");
+                Assert.That(disabledTraits.ContainsKey("TestTraitConflictA"), Is.True, "Trait with conflicts should be rejected");
             });
 
             entMan.DeleteEntity(player);
@@ -639,7 +642,7 @@ public sealed partial class TraitSystemTest
                 BindingFlags.NonPublic | BindingFlags.Instance);
 
             var validTraits = (HashSet<ProtoId<TraitPrototype>>)method?.Invoke(traitSys,
-                new object[] { player, selectedTraits, null, null, null, null, new Dictionary<ProtoId<TraitPrototype>, List<string>>()});
+                new object[] { player, selectedTraits, null, null, null, null, new Dictionary<ProtoId<TraitPrototype>, List<string>>() });
 
             Assert.That(validTraits?.Count, Is.EqualTo(2), "Should respect category maxTraits limit");
 
@@ -669,6 +672,7 @@ public sealed partial class TraitSystemTest
             };
 
             var traitSys = entMan.System<TraitSystem>();
+
             var method = typeof(TraitSystem).GetMethod("ValidateTraits",
                 BindingFlags.NonPublic | BindingFlags.Instance);
 
@@ -760,8 +764,8 @@ public sealed partial class TraitSystemTest
         IPrototypeManager protoMan,
         IComponentFactory factory,
         EntityUid player,
-        string? jobId = null,
-        string? speciesId = null)
+        ProtoId<JobPrototype>? jobId = null,
+        ProtoId<SpeciesPrototype>? speciesId = null)
     {
         return new TraitConditionContext
         {

Content.Server/_DV/Traits/Assorted/AmputeeComponent.cs

@@ -1,23 +0,0 @@
-using Content.Shared.Body.Part;
-using Robust.Shared.Prototypes;
-
-namespace Content.Server._DV.Traits.Assorted;
-
-[RegisterComponent]
-public sealed partial class AmputeeComponent : Component
-{
-    [DataField]
-    public BodyPartType RemoveBodyPart { get; private set; } = BodyPartType.Arm;
-
-    [DataField]
-    public BodyPartSymmetry PartSymmetry { get; private set; } = BodyPartSymmetry.Left;
-
-    /// <summary>
-    /// Body part prototype to use as a replacement limb, if applicable.
-    /// </summary>
-    [DataField]
-    public EntProtoId? ProtoId { get; private set; }
-
-    [DataField]
-    public string? SlotId { get; private set; } = "left arm";
-}

Content.Server/_DV/Traits/Assorted/AmputeeSystem.cs

@@ -1,57 +0,0 @@
-using Content.Server.Body.Systems;
-using Content.Shared.Body.Components;
-using Content.Shared.Body.Part;
-using Robust.Server.GameObjects;
-
-namespace Content.Server._DV.Traits.Assorted;
-
-public sealed class AmputeeSystem : EntitySystem
-{
-    [Dependency] private readonly BodySystem _body = default!;
-    [Dependency] private readonly TransformSystem _transform = default!;
-    [Dependency] private readonly BloodstreamSystem _bloodstream = default!;
-
-    public override void Initialize()
-    {
-        base.Initialize();
-        SubscribeLocalEvent<AmputeeComponent, MapInitEvent>(OnMapInit);
-    }
-
-    // Logic here taken from Den at https://github.com/TheDenSS14/TheDen/blob/d6f85a10fccf0f282981438e55b808d7ece73ad9/Content.Server/Traits/TraitSystem.Functions.cs
-    private void OnMapInit(Entity<AmputeeComponent> ent, ref MapInitEvent args)
-    {
-        if (!TryComp(ent, out BodyComponent? body) || !TryComp(ent, out TransformComponent? xform))
-            return;
-
-        var root = _body.GetRootPartOrNull(ent, body);
-        if (root is null)
-            return;
-
-        var parts = _body.GetBodyChildrenOfType(ent, ent.Comp.RemoveBodyPart, body);
-        foreach (var part in parts)
-        {
-            var partComp = part.Component;
-            if (partComp.Symmetry != ent.Comp.PartSymmetry)
-                continue;
-
-            foreach (var child in _body.GetBodyPartChildren(part.Id, part.Component))
-            {
-                QueueDel(child.Id);
-            }
-
-            _transform.AttachToGridOrMap(part.Id);
-            QueueDel(part.Id);
-
-            // apparently chopping off limbs makes people bleed a lot. Who would have guessed?
-            _bloodstream.TryModifyBleedAmount(ent.Owner, -10f);
-
-            // goes unused for the purposes of the arm amputee traits, but might as well keep it in
-            if (ent.Comp.ProtoId is null || ent.Comp.SlotId == null)
-                continue;
-
-            var newLimb = SpawnAtPosition(ent.Comp.ProtoId, xform.Coordinates);
-            if (TryComp<BodyPartComponent>(newLimb, out var limbComp) && limbComp.Symmetry == ent.Comp.PartSymmetry)
-                _body.AttachPart(root.Value.Entity, ent.Comp.SlotId, newLimb, root.Value.BodyPart, limbComp);
-        }
-    }
-}

Content.Server/_DV/Traits/TraitSystem.cs

@@ -81,8 +81,8 @@ public sealed class TraitSystem : EntitySystem
         EntityUid player,
         IReadOnlySet<ProtoId<TraitPrototype>> selectedTraits,
         ICommonSession? session,
-        string? jobId,
-        string? speciesId,
+        ProtoId<JobPrototype>? jobId,
+        ProtoId<SpeciesPrototype>? speciesId,
         HumanoidCharacterProfile? profile,
         Dictionary<ProtoId<TraitPrototype>, List<string>> disabledTraits)
     {
@@ -142,41 +142,6 @@ public sealed class TraitSystem : EntitySystem
                 continue;
             }
 
-            // Check conflicts with already selected traits
-            var hasConflict = false;
-            foreach (var validTraitId in validTraits)
-            {
-                // Check if current trait conflicts with valid trait
-                if (trait.Conflicts.Contains(validTraitId))
-                {
-                    Log.Warning($"Trait {traitId} rejected: conflicts with {validTraitId}");
-                    if (_prototype.TryIndex(validTraitId, out var conflictTrait))
-                    {
-                        rejectionReasons.Add(Loc.GetString("disabled-traits-reason-conflict",
-                            ("trait", Loc.GetString(conflictTrait.Name))));
-                    }
-                    hasConflict = true;
-                    break;
-                }
-
-                // Check if valid trait conflicts with current trait
-                if (_prototype.TryIndex(validTraitId, out var validTrait) &&
-                    validTrait.Conflicts.Contains(traitId))
-                {
-                    Log.Warning($"Trait {traitId} rejected: {validTraitId} conflicts with it");
-                    rejectionReasons.Add(Loc.GetString("disabled-traits-reason-conflict",
-                        ("trait", Loc.GetString(validTrait.Name))));
-                    hasConflict = true;
-                    break;
-                }
-            }
-
-            if (hasConflict)
-            {
-                disabledTraits[traitId] = rejectionReasons;
-                continue;
-            }
-
             // Check all conditions
             if (!CheckConditions(trait, conditionCtx, rejectionReasons))
             {
@@ -246,7 +211,7 @@ public sealed class TraitSystem : EntitySystem
                 continue;
 
             // Get human-readable reason from the condition
-            var tooltip = condition.GetTooltip(ctx.Proto, Loc);
+            var tooltip = condition.GetTooltip(ctx.Proto, Loc, 0);
 
             if (!string.IsNullOrEmpty(tooltip))
                 rejectionReasons.Add(tooltip);

Content.Shared/_DV/Traits/Conditions/AnyOfCondition.cs

@@ -1,3 +1,4 @@
+using System.Text;
 using Robust.Shared.Prototypes;
 
 namespace Content.Shared._DV.Traits.Conditions;
@@ -38,27 +39,25 @@ public sealed partial class AnyOfCondition : BaseTraitCondition
         return false;
     }
 
-    public override string GetTooltip(IPrototypeManager proto, ILocalizationManager loc)
+    public override string GetTooltip(IPrototypeManager proto, ILocalizationManager loc, int depth)
     {
         if (Conditions.Count == 0)
             return string.Empty;
 
-        var requirements = new List<string>();
+        var requirementsTooltip = new StringBuilder();
 
         foreach (var condition in Conditions)
         {
-            var tooltip = condition.GetTooltip(proto, loc);
-            if (!string.IsNullOrEmpty(tooltip))
-                requirements.Add(tooltip);
+            var conditionTooltip = condition.GetTooltip(proto, loc, depth + 1);
+            if (conditionTooltip.Length > 0)
+                requirementsTooltip.Append(conditionTooltip);
         }
 
-        if (requirements.Count == 0)
+        if (requirementsTooltip.Length == 0)
             return string.Empty;
 
-        // AAAAAAAAAAA
-        var joinedRequirements = string.Join("\n• ", requirements);
+        var tooltip = loc.GetString("trait-condition-any-of", ("requirements", requirementsTooltip));
 
-        // Handle inversion in tooltip (ANY becomes NONE when inverted)
-        return Loc.GetString("trait-condition-any-of", ("requirements", joinedRequirements));
+        return new string(' ', depth * 2) + "- " + tooltip;
     }
 }

Content.Shared/_DV/Traits/Conditions/BaseTraitCondition.cs

@@ -1,4 +1,6 @@
+using Content.Shared.Humanoid.Prototypes;
 using Content.Shared.Preferences;
+using Content.Shared.Roles;
 using JetBrains.Annotations;
 using Robust.Shared.Player;
 using Robust.Shared.Prototypes;
@@ -31,7 +33,7 @@ public abstract partial class BaseTraitCondition
     /// Generates a human-readable tooltip describing this condition's requirements.
     /// </summary>
     [PublicAPI]
-    public abstract string GetTooltip(IPrototypeManager proto, ILocalizationManager loc);
+    public abstract string GetTooltip(IPrototypeManager proto, ILocalizationManager loc, int depth);
 
     protected abstract bool EvaluateImplementation(TraitConditionContext ctx);
 }
@@ -52,12 +54,12 @@ public sealed class TraitConditionContext
     /// <summary>
     /// The job ID of the player, if available.
     /// </summary>
-    public string? JobId { get; init; }
+    public ProtoId<JobPrototype>? JobId { get; init; }
 
     /// <summary>
     /// The species ID of the player, if available.
     /// </summary>
-    public string? SpeciesId { get; init; }
+    public ProtoId<SpeciesPrototype>? SpeciesId { get; init; }
 
     /// <summary>
     /// The <see cref="HumanoidCharacterProfile"/> of the player, if available.

Content.Shared/_DV/Traits/Conditions/HasCompCondition.cs

@@ -39,11 +39,11 @@ public sealed partial class HasCompCondition : BaseTraitCondition
         }
     }
 
-    public override string GetTooltip(IPrototypeManager proto, ILocalizationManager loc)
+    public override string GetTooltip(IPrototypeManager proto, ILocalizationManager loc, int depth)
     {
         // If there's a custom tooltip supplied, use that
         if (Tooltip is not null)
-            return Loc.GetString(Tooltip);
+            return new string(' ', depth * 2) + "- " + loc.GetString(Tooltip) + Environment.NewLine;
 
         // No tooltip for this condition since we're dealing with comps
         return string.Empty;

Content.Shared/_DV/Traits/Conditions/HasJobCondition.cs

@@ -17,13 +17,13 @@ public sealed partial class HasJobCondition : BaseTraitCondition
 
     protected override bool EvaluateImplementation(TraitConditionContext ctx)
     {
-        if (string.IsNullOrEmpty(ctx.JobId))
+        if (ctx.JobId is not { } jobId)
             return false;
 
-        return ctx.JobId == Job;
+        return jobId == Job;
     }
 
-    public override string GetTooltip(IPrototypeManager proto, ILocalizationManager loc)
+    public override string GetTooltip(IPrototypeManager proto, ILocalizationManager loc, int depth)
     {
         var jobName = Job.Id;
         var jobColor = "#ffffff";
@@ -43,8 +43,10 @@ public sealed partial class HasJobCondition : BaseTraitCondition
             }
         }
 
-        return Invert
+        var tooltip = Invert
             ? loc.GetString("trait-condition-job-not", ("job", jobName), ("color", jobColor))
             : loc.GetString("trait-condition-job-is", ("job", jobName), ("color", jobColor));
+
+        return new string(' ', depth * 2) + "- " + tooltip + Environment.NewLine;
     }
 }

Content.Shared/_DV/Traits/Conditions/HasTraitCondition.cs

@@ -0,0 +1,36 @@
+using Robust.Shared.Prototypes;
+
+namespace Content.Shared._DV.Traits.Conditions;
+
+/// <summary>
+/// Condition that checks if the player has activated a specific trait.
+/// </summary>
+public sealed partial class HasTraitCondition : BaseTraitCondition
+{
+    /// <summary>
+    /// List of conditions to check. Passes if any condition evaluates to true.
+    /// </summary>
+    [DataField(required: true)]
+    public ProtoId<TraitPrototype> Trait = default!;
+
+    protected override bool EvaluateImplementation(TraitConditionContext ctx)
+    {
+        if (ctx.Profile is not { } profile)
+            return false;
+        return profile
+            .GetValidTraits(ctx.Profile.TraitPreferences, ctx.Proto)
+            .Contains(Trait);
+    }
+
+    public override string GetTooltip(IPrototypeManager proto, ILocalizationManager loc, int depth)
+    {
+        if (!proto.TryIndex(Trait, out var trait))
+            return string.Empty;
+
+        var tooltip = Invert
+            ? loc.GetString("trait-condition-trait-has-not", ("trait", loc.GetString(trait.Name)))
+            : loc.GetString("trait-condition-trait-has", ("trait", loc.GetString(trait.Name)));
+
+        return new string(' ', depth * 2) + "- " + tooltip + Environment.NewLine;
+    }
+}

Content.Shared/_DV/Traits/Conditions/InDepartmenCondition.cs

@@ -17,16 +17,16 @@ public sealed partial class InDepartmentCondition : BaseTraitCondition
 
     protected override bool EvaluateImplementation(TraitConditionContext ctx)
     {
-        if (string.IsNullOrEmpty(ctx.JobId))
+        if (ctx.JobId is not { } jobId)
             return false;
 
         if (!ctx.Proto.TryIndex(Department, out var department))
             return false;
 
-        return department.Roles.Contains(ctx.JobId);
+        return department.Roles.Contains(jobId);
     }
 
-    public override string GetTooltip(IPrototypeManager proto, ILocalizationManager loc)
+    public override string GetTooltip(IPrototypeManager proto, ILocalizationManager loc, int depth)
     {
         var deptName = Department.Id;
         var deptColor = "#ffffff";
@@ -37,9 +37,10 @@ public sealed partial class InDepartmentCondition : BaseTraitCondition
             deptColor = deptProto.Color.ToHex();
         }
 
-
-        return Invert
+        var tooltip = Invert
             ? loc.GetString("trait-condition-department-not", ("department", deptName), ("color", deptColor))
             : loc.GetString("trait-condition-department-is", ("department", deptName), ("color", deptColor));
+
+        return new string(' ', depth * 2) + "- " + tooltip + Environment.NewLine;
     }
 }

Content.Shared/_DV/Traits/Conditions/IsAntagEligibleCondition.cs

@@ -23,15 +23,17 @@ public sealed partial class IsAntagEligibleCondition : BaseTraitCondition
         return ctx.Profile.AntagPreferences.Contains(Antag);
     }
 
-    public override string GetTooltip(IPrototypeManager proto, ILocalizationManager loc)
+    public override string GetTooltip(IPrototypeManager proto, ILocalizationManager loc, int depth)
     {
         if (!proto.TryIndex(Antag, out var antagProto))
             return string.Empty;
 
         var antagName = loc.GetString(antagProto.Name);
 
-        return Invert
+        var tooltip = Invert
             ? loc.GetString("trait-condition-antag-not", ("antag", antagName))
-            : loc.GetString("trait-condition-antag-is", ("antag",  antagName));
+            : loc.GetString("trait-condition-antag-is", ("antag", antagName));
+
+        return new string(' ', depth * 2) + "- " + tooltip + Environment.NewLine;
     }
 }

Content.Shared/_DV/Traits/Conditions/IsSpeciesCondition.cs

@@ -17,13 +17,13 @@ public sealed partial class IsSpeciesCondition : BaseTraitCondition
 
     protected override bool EvaluateImplementation(TraitConditionContext ctx)
     {
-        if (string.IsNullOrEmpty(ctx.SpeciesId))
+        if (ctx.SpeciesId is not { } speciesId)
             return false;
 
-        return ctx.SpeciesId == Species;
+        return speciesId == Species;
     }
 
-    public override string GetTooltip(IPrototypeManager proto, ILocalizationManager loc)
+    public override string GetTooltip(IPrototypeManager proto, ILocalizationManager loc, int depth)
     {
         var speciesName = Species.Id;
         if (proto.TryIndex(Species, out var speciesProto))
@@ -31,8 +31,10 @@ public sealed partial class IsSpeciesCondition : BaseTraitCondition
             speciesName = loc.GetString(speciesProto.Name);
         }
 
-        return Invert
+        var tooltip = Invert
             ? loc.GetString("trait-condition-species-not", ("species", speciesName))
             : loc.GetString("trait-condition-species-is", ("species", speciesName));
+
+        return new string(' ', depth * 2) + "- " + tooltip + Environment.NewLine;
     }
 }

Content.Shared/_DV/Traits/Effects/RemoveBodyPartEffect.cs

@@ -0,0 +1,45 @@
+using Content.Shared.Body.Components;
+using Content.Shared.Body.Part;
+using Content.Shared.Body.Systems;
+
+namespace Content.Shared._DV.Traits.Effects;
+
+/// <summary>
+/// Effect that removes body parts of the player body.
+/// </summary>
+public sealed partial class RemoveBodyPartEffect : BaseTraitEffect
+{
+
+    [DataField(required: true)]
+    public BodyPartType Part = default;
+
+    [DataField(required: true)]
+    public BodyPartSymmetry Symmetry = default!;
+
+    public override void Apply(TraitEffectContext ctx)
+    {
+        if (!ctx.EntMan.TryGetComponent(ctx.Player, out BodyComponent? body))
+            return;
+
+        if (!ctx.EntMan.TrySystem<SharedBodySystem>(out var bodySys))
+            return;
+
+        if (!ctx.EntMan.TrySystem<SharedBloodstreamSystem>(out var bloodstreamSys))
+            return;
+
+        if (bodySys.GetRootPartOrNull(ctx.Player, body) is not { } root)
+            return;
+
+        foreach (var part in bodySys.GetBodyChildrenOfType(ctx.Player, Part, body, Symmetry))
+        {
+            foreach (var child in bodySys.GetBodyPartChildren(part.Id, part.Component))
+            {
+                ctx.EntMan.DeleteEntity(child.Id);
+            }
+            ctx.EntMan.DeleteEntity(part.Id);
+
+            // apparently chopping off limbs makes people bleed a lot. Who would have guessed?
+            bloodstreamSys.TryModifyBleedAmount(ctx.Player, -100f);
+        }
+    }
+}

Content.Shared/_DV/Traits/TraitPrototype.cs

@@ -51,10 +51,4 @@ public sealed partial class TraitPrototype : IPrototype
     /// </summary>
     [DataField]
     public List<BaseTraitEffect> Effects = new();
-
-    /// <summary>
-    /// Other traits that are mutually exclusive with this one.
-    /// </summary>
-    [DataField]
-    public List<ProtoId<TraitPrototype>> Conflicts = new();
 }

Resources/Locale/en-US/_DV/traits/traits-ui.ftl

@@ -10,7 +10,6 @@ disabled-traits-popup-title = Traits Disabled
 disabled-traits-popup-label = Traits Disabled
 disabled-traits-popup-message = Some of your selected traits could not be applied because they did not meet the required conditions.
 disabled-traits-popup-list-header = The following traits were disabled:
-disabled-traits-popup-reason = • {$reason}
 disabled-traits-popup-skip-checkbox = Don't show this again
 disabled-traits-popup-close-button = Close
 
@@ -27,30 +26,29 @@ trait-category-traits-unlimited = {$selected} traits
 trait-category-points = ({$selected} / {$max} pts)
 
 ## Condition tooltips
-trait-conditions-tooltip = [bold]Requirements:[/bold]
-    {$requirements}
-trait-conditions-not-met-tooltip = Requirements not met:
-    {$requirements}
+trait-conditions-tooltip = [bold]Conditions:[/bold]
+    {$conditions}
 
 ## Composite conditions
 trait-condition-any-of = Any of the following must be true:
-    • {$requirements}
+    {$requirements}
 
 ## Species conditions
-trait-condition-species-is = You must be a [color=yellow]{$species}[/color].
-trait-condition-species-not = You must not be a [color=yellow]{$species}[/color].
+trait-condition-species-is = You must be {INDEFINITE($species)} [color=yellow]{$species}[/color].
+trait-condition-species-not = You must not be {INDEFINITE($species)} [color=yellow]{$species}[/color].
 
 ## Job conditions
-trait-condition-job-is = You must be a [color={$color}]{$job}[/color].
-trait-condition-job-not = You must not be a [color={$color}]{$job}[/color].
+trait-condition-job-is = You must be {INDEFINITE($job)} [color={$color}]{$job}[/color].
+trait-condition-job-not = You must not be {INDEFINITE($job)} [color={$color}]{$job}[/color].
 
 ## Department conditions
 trait-condition-department-is = You must be in the [color={$color}]{$department}[/color] department.
 trait-condition-department-not = You must not be in the [color={$color}]{$department}[/color] department.
 
-## HasComp borg conditions
-trait-condition-borg-not = You must not be a [color=yellow]borg[/color].
-
 # Antag conditions
 trait-condition-antag-is = Must be eligible for [color=red]{$antag}[/color] antag role.
 trait-condition-antag-not = Must not be eligible for [color=red]{$antag}[/color] antag role.
+
+# Trait requirements and conflicts
+trait-condition-trait-has-not = Must not have the trait [color=yellow]{$trait}[/color].
+trait-condition-trait-has = Must have the trait [color=yellow]{$trait}[/color].

Resources/Locale/en-US/_DV/traits/traits.ftl

@@ -15,11 +15,11 @@ trait-irish-accent-desc = Ya sap! Seems you got a pet hate fer rubbish!
 
 trait-ultravision-name = Ultraviolet vision
 trait-ultravision-desc = Whether through custom bionic eyes, random mutation,
-                         or being a Harpy, you perceive the world with ultraviolet light.
+                         or a bad organ replacement, you perceive the world with ultraviolet light.
 
 trait-deuteranopia-name = Deuteranopia
 trait-deuteranopia-desc = Whether through custom bionic eyes, random mutation,
-                          or being a Vulpkanin, you have red-green colour blindness.
+                          or a bad organ replacement, you have red-green colour blindness.
 
 trait-hushed-name = Hushed
 trait-hushed-desc = You are unable to speak louder than a whisper.
@@ -52,6 +52,17 @@ trait-amputee-right-arm-desc =
     Your right arm is missing!
     (Note: Amputee traits do not appear in the character editor preview!)
 
+trait-amputee-left-leg-name = Amputee (Leg, Left)
+trait-amputee-left-leg-desc =
+    Your left leg is missing!
+    (Note: Amputee traits do not appear in the character editor preview!)
+
+trait-amputee-right-leg-name = Amputee (Leg, Right)
+trait-amputee-right-leg-desc =
+    Your right leg is missing!
+    (Note: Amputee traits do not appear in the character editor preview!)
+    (Note: Amputee traits do not appear in the character editor preview!)(Note: Amputee traits do not appear in the character editor preview!)(Note: Amputee traits do not appear in the character editor preview!)(Note: Amputee traits do not appear in the character editor preview!)(Note: Amputee traits do not appear in the character editor preview!)(Note: Amputee traits do not appear in the character editor preview!)(Note: Amputee traits do not appear in the character editor preview!)(Note: Amputee traits do not appear in the character editor preview!)(Note: Amputee traits do not appear in the character editor preview!)(Note: Amputee traits do not appear in the character editor preview!)(Note: Amputee traits do not appear in the character editor preview!)(Note: Amputee traits do not appear in the character editor preview!)
+
 trait-redshirt-name = Redshirt
 trait-redshirt-desc =
     Sets your death threshold to 100 damage. You no longer have a critical state.

Resources/Prototypes/_DV/Traits/disabilities.yml

@@ -6,6 +6,18 @@
   description: trait-blindness-desc
   category: Disabilities
   conditions:
+  - !type:HasTraitCondition
+    trait: PoorVision
+    invert: true
+  - !type:HasTraitCondition
+    trait: Deuteranopia
+    invert: true
+  - !type:HasTraitCondition
+    trait: UltraVision
+    invert: true
+  - !type:HasTraitCondition
+    trait: Monochromacy
+    invert: true
   - !type:HasCompCondition
     component: Blindable
   effects:
@@ -21,6 +33,9 @@
   description: trait-poor-vision-desc
   category: Disabilities
   conditions:
+  - !type:HasTraitCondition
+    trait: Blindness
+    invert: true
   - !type:HasCompCondition
     component: Blindable
   effects:
@@ -36,6 +51,16 @@
   name: trait-monochromacy-name
   description: trait-monochromacy-desc
   category: Disabilities
+  conditions:
+  - !type:HasTraitCondition
+    trait: Blindness
+    invert: true
+  - !type:HasTraitCondition
+    trait: Deuteranopia
+    invert: true
+  - !type:HasTraitCondition
+    trait: UltraVision
+    invert: true
   effects:
   - !type:AddCompsEffect
     components:
@@ -46,6 +71,19 @@
   name: trait-deuteranopia-name
   description: trait-deuteranopia-desc
   category: Disabilities
+  conditions:
+  - !type:HasTraitCondition
+    trait: Blindness
+    invert: true
+  - !type:HasTraitCondition
+    trait: Monochromacy
+    invert: true
+  - !type:HasTraitCondition
+    trait: UltraVision
+    invert: true
+  - !type:IsSpeciesCondition
+    species: Vulpkanin
+    invert: true
   effects:
   - !type:AddCompsEffect
     components:
@@ -56,6 +94,19 @@
   name: trait-ultravision-name
   description: trait-ultravision-desc
   category: Disabilities
+  conditions:
+  - !type:HasTraitCondition
+    trait: Blindness
+    invert: true
+  - !type:HasTraitCondition
+    trait: Monochromacy
+    invert: true
+  - !type:HasTraitCondition
+    trait: Deuteranopia
+    invert: true
+  - !type:IsSpeciesCondition
+    species: Harpy
+    invert: true
   effects:
   - !type:AddCompsEffect
     components:
@@ -78,28 +129,40 @@
   name: trait-amputee-left-arm-name
   description: trait-amputee-left-arm-desc
   category: Disabilities
-  conflicts:
-  - ArmAmputeeRight # TODO: AmputeeComponent doesn't stack, should be an effect instead
   effects:
-  - !type:AddCompsEffect
-    components:
-    - type: Amputee
-      removeBodyPart: Arm
-      partSymmetry: Left
+  - !type:RemoveBodyPartEffect
+    part: Arm
+    symmetry: Left
 
 - type: trait
   id: ArmAmputeeRight
   name: trait-amputee-right-arm-name
   description: trait-amputee-right-arm-desc
   category: Disabilities
-  conflicts:
-  - ArmAmputeeLeft
   effects:
-  - !type:AddCompsEffect
-    components:
-    - type: Amputee
-      removeBodyPart: Arm
-      partSymmetry: Right
+  - !type:RemoveBodyPartEffect
+    part: Arm
+    symmetry: Right
+
+- type: trait
+  id: LegAmputeeLeft
+  name: trait-amputee-left-leg-name
+  description: trait-amputee-left-leg-desc
+  category: Disabilities
+  effects:
+  - !type:RemoveBodyPartEffect
+    part: Leg
+    symmetry: Left
+
+- type: trait
+  id: LegAmputeeRight
+  name: trait-amputee-right-leg-name
+  description: trait-amputee-right-leg-desc
+  category: Disabilities
+  effects:
+  - !type:RemoveBodyPartEffect
+    part: Leg
+    symmetry: Right
 
 - type: trait
   id: Dysgraphia
@@ -116,6 +179,10 @@
   name: trait-painnumbness-name
   description: trait-painnumbness-desc
   category: Disabilities
+  conditions:
+  - !type:IsSpeciesCondition
+    species: IPC
+    invert: true
   effects:
   - !type:AddCompsEffect
     components:
@@ -126,6 +193,10 @@
   name: trait-hemophilia-name
   description: trait-hemophilia-desc
   category: Disabilities
+  conditions:
+  - !type:IsSpeciesCondition
+    species: IPC
+    invert: true
   effects:
   - !type:AddCompsEffect
     components:

Resources/Prototypes/_DV/Traits/medical.yml

@@ -94,10 +94,6 @@
   - !type:HasCompCondition
     component: Silicon
     invert: true
-  - !type:HasCompCondition
-    component: BorgChassis
-    invert: true
-    tooltip: trait-condition-borg-not
   - !type:IsSpeciesCondition
     species: IPC
     invert: true

Resources/Prototypes/_DV/Traits/speech.yml

@@ -52,11 +52,6 @@
   description: trait-muted-desc
   category: Accents
   cost: 2
-  conditions:
-  - !type:HasCompCondition
-    component: BorgChassis
-    invert: true
-    tooltip: trait-condition-borg-not
   effects:
   - !type:AddCompsEffect
     components:
@@ -165,11 +160,6 @@
   description: trait-hushed-desc
   category: Accents
   cost: 0
-  conditions:
-  - !type:HasCompCondition
-    component: BorgChassis
-    invert: true
-    tooltip: trait-condition-borg-not
   effects:
   - !type:AddCompsEffect
     components: