Adds Reworked Idea of Stealth Suit to Game but Doesnt Replace Old One Haha.

Content.Client/_White/Overlays/ThermalVisionOverlay.cs

@@ -11,6 +11,8 @@
 using Robust.Shared.Enums;
 using Robust.Shared.Map;
 using Robust.Shared.Timing;
+using Content.Shared.Tag;
+using Robust.Shared.Prototypes;
 
 namespace Content.Client._White.Overlays;
 
@@ -19,11 +21,13 @@ public sealed partial class ThermalVisionOverlay : Overlay
     [Dependency] private IEntityManager _entity = default!;
     [Dependency] private IPlayerManager _player = default!;
     [Dependency] private IGameTiming _timing = default!;
+    private static readonly ProtoId<TagPrototype> ScreenedTag = "Screened";
 
     private readonly TransformSystem _transform;
     private readonly StealthSystem _stealth;
     private readonly ContainerSystem _container;
     private readonly SharedPointLightSystem _light;
+    private readonly TagSystem _tag;
 
     public override bool RequestScreenTexture => true;
     public override OverlaySpace Space => OverlaySpace.WorldSpace;
@@ -44,6 +48,7 @@ public ThermalVisionOverlay()
         _transform = _entity.System<TransformSystem>();
         _stealth = _entity.System<StealthSystem>();
         _light = _entity.System<SharedPointLightSystem>();
+        _tag = _entity.System<TagSystem>();
 
         ZIndex = -1;
     }
@@ -93,6 +98,9 @@ protected override void Draw(in OverlayDrawArgs args)
             // Mono - teargas hides you from smoke
             if (_entity.HasComponent<SmokeAffectedComponent>(uid))
                 continue;
+            // Mono - ignore entity if it has "Screened" tag
+            if (_tag.HasTag(uid, ScreenedTag))
+               continue;
 
             var entity = uid;
 
@@ -102,21 +110,22 @@ protected override void Draw(in OverlayDrawArgs args)
 
                 // Mono edit, Thermals don't reveal people in lockers
                 /*
-                var owner = container.Owner;
-                if (_entity.TryGetComponent<SpriteComponent>(owner, out var ownerSprite)
-                    && _entity.TryGetComponent<TransformComponent>(owner, out var ownerXform))
-                {
-                    entity = owner;
-                    sprite = ownerSprite;
-                    xform = ownerXform;
-                }
-                */
+                 var owner = container.Owner;
+                 if (_entity.TryGetComponent<SpriteComponent>(owner, out var ownerSprite)
+                     && _entity.TryGetComponent<TransformComponent>(owner, out var ownerXform))
+                     {
+                     entity = owner;
+                 sprite = ownerSprite;
+                 xform = ownerXform;
+            }
+            */
                 // Mono End
             }
 
             if (_entries.Any(e => e.Ent.Owner == entity))
                 continue;
 
+
             _entries.Add(new ThermalVisionRenderEntry((entity, sprite, xform), mapId, eyeRot));
         }
 
@@ -152,7 +161,7 @@ private void Render(Entity<SpriteComponent, TransformComponent> ent,
     private bool CanSee(EntityUid uid, SpriteComponent sprite)
     {
         return sprite.Visible && (!_entity.TryGetComponent(uid, out StealthComponent? stealth) ||
-                                  _stealth.GetVisibility(uid, stealth) > 0.5f);
+        _stealth.GetVisibility(uid, stealth) > 0.5f);
     }
 
     public void ResetLight(bool checkFirstTimePredicted = true)

Content.Shared/_Mono/MotionDetector/Systems/MotionDetectorIgnoreHolderSystem.cs

@@ -4,6 +4,8 @@
 using Content.Shared.ProximityDetection;
 using Robust.Shared.Containers;
 using Robust.Shared.Physics.Components;
+using Content.Shared.Tag;
+using Robust.Shared.Prototypes;
 
 namespace Content.Shared._Mono.MotionDetector.Systems;
 
@@ -13,6 +15,8 @@ namespace Content.Shared._Mono.MotionDetector.Systems;
 public sealed partial class MotionDetectorIgnoreHolderSystem : EntitySystem
 {
     [Dependency] private SharedContainerSystem _containerSystem = default!;
+    [Dependency] private TagSystem _tag = default!;
+    private static readonly ProtoId<TagPrototype> ScreenedTag = "Screened";
 
     public override void Initialize()
     {
@@ -46,6 +50,11 @@ private void OnProximityDetectionAttempt(EntityUid targetEntity, MetaDataCompone
         {
             args.Cancel = true;
         }
+        // Prevents motion detector from detecting screened players
+        if (_tag.HasTag(targetEntity, ScreenedTag))
+        {
+            args.Cancel = true;
+        }
     }
 
     /// <summary>

Resources/Prototypes/_Goobstation/Entities/Clothing/Head/hardsuit-helmets.yml

@@ -41,6 +41,7 @@
   name: cybersun stealth hardsuit helmet
   description: A helmet with plating for stealth operations.
   components:
+  - type: BreathMask
   - type: Sprite
     sprite: _Goobstation/Clothing/Head/Hardsuits/cybersunstealth.rsi
   - type: Clothing

Resources/Prototypes/_Mono/Entities/Clothing/Head/Hardsuits/phaethon_dynasty.yml

@@ -117,3 +117,27 @@
     action: ActionToggleNightVision
     phosphorColor: "#41D7D9"
     lightingColor: "#FFFFFF32"
+
+- type: entity
+  parent: [ClothingHeadHelmetHardsuitSyndie, ShowSecurityIcons]
+  id: ClothingHeadHelmetHardsuitSnake
+  name: PDV CV-64 'Snake' covert hardsuit helmet
+  description: A combat hardsuit helmet designed by the Phaethon Dynasty for covert operators. A full gen-4 NVD suite is installed.
+  categories: [ HideSpawnMenu ]
+  components:
+  - type: Sprite
+    sprite: _Goobstation/Clothing/Head/Hardsuits/cybersunstealth.rsi
+  - type: Clothing
+    sprite: _Goobstation/Clothing/Head/Hardsuits/cybersunstealth.rsi
+  - type: NightVision # Gen 4 quadtube-wide
+    relayOverlay: true
+    goggleEffect: true
+    viewCircleRadius: 450
+    viewCircleCount: 4
+    viewCircleSpacing: 280
+    action: ActionToggleNightVision
+    phosphorColor: "#41D7D9"
+    lightingColor: "#FFFFFF32"
+  - type: ClothingGrantTag
+    tag: Screened
+

Resources/Prototypes/_Mono/Entities/Clothing/OuterClothing/Hardsuits/phaethon_dynasty.yml

@@ -277,3 +277,46 @@
     coefficient: 0.3
   - type: ClothingSlowOnDamageModifier # Sorry dude. It's my awesome fucking exosuit.
     modifier: 0.5
+
+# vanguard stealth
+
+- type: entity
+  parent: ClothingOuterHardsuitAshen
+  id: ClothingOuterHardsuitSnake
+  name: "PDV CV-64 'Snake' combat hardsuit"
+  description: A combat hardsuit designed by the Phaethon Dynasty for stealth movement. Utilizes an experimental screening field and heat insulation to avoid detection on motion detectors and night vision pulses. Altho its unconventional plating leads it very exposed to most forms of kinetic damage.
+  components:
+  - type: Sprite
+    sprite: _Goobstation/Clothing/OuterClothing/Hardsuits/cybersunstealth.rsi
+  - type: Clothing
+    sprite: _Goobstation/Clothing/OuterClothing/Hardsuits/cybersunstealth.rsi
+  - type: PressureProtection
+    highPressureMultiplier: 0.05
+    lowPressureMultiplier: 1000
+  - type: ExplosionResistance
+    damageCoefficient: 0.3
+  - type: FireProtection
+    reduction: 0.8
+  - type: Armor
+    modifiers:
+      coefficients:
+        Blunt: 0.7
+        Slash: 0.7
+        Piercing: 0.7
+        Heat: 0.5
+        Radiation: 0.3
+        Caustic: 0.3
+  - type: ClothingSpeedModifier
+    walkModifier: 0.95
+    sprintModifier: 0.95
+  - type: ToggleableClothing
+    requiredSlot: outerclothing
+    blockUnequipWhenAttached: false
+    replaceCurrentClothing: true
+    clothingPrototypes:
+      head: ClothingHeadHelmetHardsuitSnake
+      helmetcover: ClothingHeadHelmetCoverBlock
+      helmetattachment: ClothingHeadHelmetAttachmentBlock
+  - type: Tag
+    tags:
+    - RogueHardsuit

Resources/Prototypes/_Mono/tags.yml

@@ -773,14 +773,19 @@
 
 - type: Tag
   id: Central
-  
+
 # Stashes
 
 - type: Tag
   id: Unstashable
-  
+
 # Map migration tags for door autorotation thing.
 
 - type: Tag
   id: DoorAutorotate
 
+#Stealth Armor
+
+- type: Tag
+  id: Screened
+