New Trait: Sluggish / Snail-Paced (#692)

# Description

This PR adds two new negative traits that decrease your movement speed:
**Sluggish** and **Snail-Paced**.

- Sluggish (+1 points)
  - 15% slower movement speed
- 35% slower climbing speed (for standard tables, from 1.5s to ~2.02
seconds)
- Cooldown on laying down/standing up increased from 2.5 seconds to 3
seconds
- Snail-Paced (+2 points)
  - 30% slower movement speed
- 66% slower climbing speed (for standard tables, from 1.5s to ~2.48
seconds)
- Cooldown on laying down/standing up increased from 2.5 seconds to 4
seconds

## Media

<details><summary>Expand</summary>

**Trait entry**


![image](https://github.com/user-attachments/assets/cb483536-ec3e-4c28-a4b4-c431bb1b669e)


![image](https://github.com/user-attachments/assets/a251844e-7058-4d4b-b21d-a5637c39489f)

</details>

# Changelog

:cl: Skubman
- add: Add two new negative traits: Sluggish (+1) and Snail-Paced (+2)
that make you move slower, and climb tables slower.

---------

Signed-off-by: Angelo Fallaria <[email protected]>
Co-authored-by: VMSolidus <[email protected]>

Content.Server/Traits/Assorted/TraitSpeedModifierComponent.cs

@@ -0,0 +1,14 @@
+namespace Content.Server.Traits.Assorted;
+
+/// <summary>
+///  This component is used for traits that modify movement speed.
+/// </summary>
+[RegisterComponent]
+public sealed partial class TraitSpeedModifierComponent : Component
+{
+    [DataField(required: true)]
+    public float WalkModifier = 1.0f;
+
+    [DataField(required: true)]
+    public float SprintModifier = 1.0f;
+}

Content.Server/Traits/Assorted/TraitSpeedModifierSystem.cs

@@ -0,0 +1,19 @@
+using Content.Shared.Movement.Systems;
+using Content.Server.Traits.Assorted;
+
+namespace Content.Shared.Traits.Assorted;
+
+public sealed class TraitSpeedModifierSystem : EntitySystem
+{
+    public override void Initialize()
+    {
+        base.Initialize();
+
+        SubscribeLocalEvent<TraitSpeedModifierComponent, RefreshMovementSpeedModifiersEvent>(OnRefreshMovementSpeed);
+    }
+
+    private void OnRefreshMovementSpeed(EntityUid uid, TraitSpeedModifierComponent component, RefreshMovementSpeedModifiersEvent args)
+    {
+        args.ModifySpeed(component.WalkModifier, component.SprintModifier);
+    }
+}

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

@@ -89,6 +89,16 @@ trait-description-ParkourTraining =
     Whether as a hobby, lifestyle, or professional training, you are trained in the discipline of parkour.
     You're faster with climbing, crawling, lying down, and getting up.
 
+trait-name-Sluggish = Sluggish
+trait-description-Sluggish =
+    You navigate the world slower than others, perhaps due to a medical condition, inactivity, or age.
+    You move slower, and it takes longer for you to climb, lie down and get up.
+
+trait-name-SnailPaced = Snail-Paced
+trait-description-SnailPaced =
+    You walk at a snail's pace, perhaps due to a medical condition, mobility impairment, or age.
+    You move substantially slower, and it takes far longer for you to climb, lie down and get up.
+
 trait-name-LightStep = Light Step
 trait-description-LightStep =
     You move with a gentle step, making your footsteps quieter.
@@ -106,4 +116,4 @@ trait-description-Spearmaster =
 trait-name-WeaponsGeneralist = Weapons Generalist
 trait-description-WeaponsGeneralist =
     You are a jack of all trades with melee weapons, enabling you to be versatile with your weapon arsenal.
-    Your melee damage bonus for all Brute damage types (Blunt, Slash, Piercing) becomes 25%.
+    Your melee damage bonus for all Brute damage types (Blunt, Slash, Piercing) becomes 25%.

Resources/Prototypes/Traits/disabilities.yml

@@ -95,6 +95,44 @@
   components:
     - type: Snoring
 
+- type: trait
+  id: Sluggish
+  category: Physical
+  points: 1
+  requirements:
+    - !type:CharacterTraitRequirement
+      inverted: true
+      traits:
+        - ParkourTraining
+        - SnailPaced
+  components:
+    - type: TraitSpeedModifier
+      sprintModifier: 0.85
+      walkModifier: 0.85
+    - type: ClimbDelayModifier
+      climbDelayMultiplier: 1.35
+    - type: LayingDownModifier
+      layingDownCooldownMultiplier: 1.2
+
+- type: trait
+  id: SnailPaced
+  category: Physical
+  points: 2
+  requirements:
+    - !type:CharacterTraitRequirement
+      inverted: true
+      traits:
+        - ParkourTraining
+        - Sluggish
+  components:
+    - type: TraitSpeedModifier
+      sprintModifier: 0.7
+      walkModifier: 0.7
+    - type: ClimbDelayModifier
+      climbDelayMultiplier: 1.66
+    - type: LayingDownModifier
+      layingDownCooldownMultiplier: 1.6
+
 - type: trait
   id: BloodDeficiency
   category: Physical

Resources/Prototypes/Traits/skills.yml

@@ -91,6 +91,12 @@
   id: ParkourTraining
   category: Physical
   points: -3
+  requirements:
+    - !type:CharacterTraitRequirement
+      inverted: true
+      traits:
+        - Sluggish
+        - SnailPaced
   components:
     - type: ClimbDelayModifier
       climbDelayMultiplier: 0.70