From 67103130cedb6240d0ba6755c4adec0863fcd648 Mon Sep 17 00:00:00 2001
From: DEATHB4DEFEAT <77995199+DEATHB4DEFEAT@users.noreply.github.com>
Date: Sat, 3 Feb 2024 21:49:01 -0800
Subject: [PATCH] Make Space Frictionless (#46)

<details><summary><h1>Media</h1></summary>
<p>


https://github.com/Simple-Station/Parkstation-Friendly-Chainsaw/assets/77995199/5570ef35-16e2-493a-ac35-738f27751346


https://github.com/Simple-Station/Parkstation-Friendly-Chainsaw/assets/77995199/51fba943-8dce-4265-a9cc-7181155eb8de


https://github.com/Simple-Station/Parkstation-Friendly-Chainsaw/assets/77995199/cd6c0511-2639-4e14-8160-426ba7f2ba73

---
</p>
</details>

# Changelog

:cl:
- tweak: Space has suddenly become less dense (objects don't slow down
in space)
- remove: Moths are unable to move in space
- tweak: Moths have way better control in zero gravity environments
---
 .../MovementSpeedModifierComponent.cs         |  2 +-
 .../Physics/FrictionRemoverSystem.cs          | 25 +++++++++++++++++++
 .../Prototypes/Entities/Mobs/Species/moth.yml |  4 +--
 3 files changed, 27 insertions(+), 4 deletions(-)
 create mode 100644 Content.Shared/SimpleStation14/Physics/FrictionRemoverSystem.cs

diff --git a/Content.Shared/Movement/Components/MovementSpeedModifierComponent.cs b/Content.Shared/Movement/Components/MovementSpeedModifierComponent.cs
index b84c340855..796611fc0a 100644
--- a/Content.Shared/Movement/Components/MovementSpeedModifierComponent.cs
+++ b/Content.Shared/Movement/Components/MovementSpeedModifierComponent.cs
@@ -14,7 +14,7 @@ public sealed partial class MovementSpeedModifierComponent : Component
         // Weightless
         public const float DefaultMinimumFrictionSpeed = 0.005f;
         public const float DefaultWeightlessFriction = 1f;
-        public const float DefaultWeightlessFrictionNoInput = 0.2f;
+        public const float DefaultWeightlessFrictionNoInput = 0f; // Parkstation-FrictionlessSpace
         public const float DefaultWeightlessModifier = 0.7f;
         public const float DefaultWeightlessAcceleration = 1f;
 
diff --git a/Content.Shared/SimpleStation14/Physics/FrictionRemoverSystem.cs b/Content.Shared/SimpleStation14/Physics/FrictionRemoverSystem.cs
new file mode 100644
index 0000000000..983fb987d6
--- /dev/null
+++ b/Content.Shared/SimpleStation14/Physics/FrictionRemoverSystem.cs
@@ -0,0 +1,25 @@
+using Robust.Shared.Physics;
+using Robust.Shared.Physics.Components;
+using Robust.Shared.Physics.Systems;
+
+namespace Content.Shared.SimpleStation14.Physics;
+
+public sealed class FrictionRemoverSystem : EntitySystem
+{
+    [Dependency] private readonly SharedPhysicsSystem _physics = default!;
+
+
+    public override void Initialize()
+    {
+        base.Initialize();
+
+        SubscribeLocalEvent<PhysicsComponent, PhysicsSleepEvent>(RemoveDampening);
+    }
+
+
+    private void RemoveDampening(EntityUid uid, PhysicsComponent component, PhysicsSleepEvent args)
+    {
+        _physics.SetAngularDamping(component, 0, false);
+        _physics.SetLinearDamping(component, 0);
+    }
+}
diff --git a/Resources/Prototypes/Entities/Mobs/Species/moth.yml b/Resources/Prototypes/Entities/Mobs/Species/moth.yml
index 292828b4e6..5b067d89cb 100644
--- a/Resources/Prototypes/Entities/Mobs/Species/moth.yml
+++ b/Resources/Prototypes/Entities/Mobs/Species/moth.yml
@@ -48,9 +48,7 @@
       Female: UnisexMoth
       Unsexed: UnisexMoth
   - type: MovementSpeedModifier
-    weightlessAcceleration: 1.5 # Move around more easily in space.
-    weightlessFriction: 1
-    weightlessModifier: 1
+    weightlessAcceleration: 2.5 # Move around more easily in space. # Parkstation-FrictionlessSpace
   - type: Flammable
     damage:
       types: