Puddle Code Slipping Cleanup (#35845)

* Init Commit

* windows yelling at me to update commit

* working commit, need prediciton and more dehardcoding

* Project 0 warnings

* Working Commit (Near Final)

* ryder got confused commit

* I love Merge Conflicts :)

* Working commit, no prediction

* Forgot the yaml changes

* Comments and typos

* Apparently while the reduced launch mult of lube was initialized it was never used so I revered back to default

* Fixed an incorrect divisor

* bit of cleanup

* Prediciton fixed, and puddles now affect all entities

* FORGOT TO RENAME A VERY IMPORTANT VARIABLE OOPS

* Really big I forgor moment

* Even bigger I forgor moment

* four more merge conflicts to fix four more oopsies

* fixed actual divide by zero moment and also im very dumb

* Even bigger I forgor moment

* four more merge conflicts to fix four more oopsies

* fixed actual divide by zero moment and also im very dumb

* Fix all test fails

* code cleanup

* Webedit whitespace

* Code cleaup

* whitespace webedit

* whitespace webedit

* whitespace webedit

* whitespace removal

* Comments and cleanup

* Re-Added 20 warnings as per Ork's request

* Cleanups

* Spacing fix

* bugfixes and cleanup

* Small bugfix

* Actually dirty the slipComp for real

* Added Friction field to Reagent Prototype per design discussion

* Sliding system is kill

Content.Server/Administration/Systems/AdminVerbSystem.Smites.cs

@@ -877,9 +877,9 @@ public sealed partial class AdminVerbSystem
                 var hadSlipComponent = EnsureComp(args.Target, out SlipperyComponent slipComponent);
                 if (!hadSlipComponent)
                 {
-                    slipComponent.SuperSlippery = true;
-                    slipComponent.ParalyzeTime = 5;
-                    slipComponent.LaunchForwardsMultiplier = 20;
+                    slipComponent.SlipData.SuperSlippery = true;
+                    slipComponent.SlipData.ParalyzeTime = TimeSpan.FromSeconds(5);
+                    slipComponent.SlipData.LaunchForwardsMultiplier = 20;
                 }
 
                 _slipperySystem.TrySlip(args.Target, slipComponent, args.Target, requiresContact: false);

Content.Server/Chemistry/TileReactions/SpillIfPuddlePresentTileReaction.cs

@@ -1,30 +0,0 @@
-using Content.Server.Fluids.EntitySystems;
-using Content.Shared.Chemistry.Components;
-using Content.Shared.Chemistry.Reaction;
-using Content.Shared.Chemistry.Reagent;
-using Content.Shared.FixedPoint;
-using JetBrains.Annotations;
-using Robust.Shared.Map;
-
-namespace Content.Server.Chemistry.TileReactions
-{
-    [UsedImplicitly]
-    [DataDefinition]
-    public sealed partial class SpillIfPuddlePresentTileReaction : ITileReaction
-    {
-        public FixedPoint2 TileReact(TileRef tile,
-            ReagentPrototype reagent,
-            FixedPoint2 reactVolume,
-            IEntityManager entityManager,
-            List<ReagentData>? data)
-        {
-            var spillSystem = entityManager.System<PuddleSystem>();
-            if (reactVolume < 5 || !spillSystem.TryGetPuddle(tile, out _))
-                return FixedPoint2.Zero;
-
-            return spillSystem.TrySpillAt(tile, new Solution(reagent.ID, reactVolume, data), out _, sound: false, tileReact: false)
-                ? reactVolume
-                : FixedPoint2.Zero;
-        }
-    }
-}

Content.Server/Chemistry/TileReactions/SpillTileReaction.cs

@@ -1,60 +0,0 @@
-using Content.Server.Fluids.EntitySystems;
-using Content.Shared.Chemistry.Components;
-using Content.Shared.Chemistry.Reaction;
-using Content.Shared.Chemistry.Reagent;
-using Content.Shared.FixedPoint;
-using Content.Shared.Movement.Components;
-using Content.Shared.Movement.Systems;
-using Content.Shared.Slippery;
-using Content.Shared.StepTrigger.Components;
-using Content.Shared.StepTrigger.Systems;
-using JetBrains.Annotations;
-using Robust.Shared.Map;
-
-namespace Content.Server.Chemistry.TileReactions
-{
-    [UsedImplicitly]
-    [DataDefinition]
-    public sealed partial class SpillTileReaction : ITileReaction
-    {
-        [DataField("launchForwardsMultiplier")] public float LaunchForwardsMultiplier = 1;
-        [DataField("requiredSlipSpeed")] public float RequiredSlipSpeed = 6;
-        [DataField("paralyzeTime")] public float ParalyzeTime = 1;
-
-        /// <summary>
-        /// <see cref="SlipperyComponent.SuperSlippery"/>
-        /// </summary>
-        [DataField("superSlippery")] public bool SuperSlippery;
-
-        public FixedPoint2 TileReact(TileRef tile,
-            ReagentPrototype reagent,
-            FixedPoint2 reactVolume,
-            IEntityManager entityManager,
-            List<ReagentData>? data)
-        {
-            if (reactVolume < 5)
-                return FixedPoint2.Zero;
-
-            if (entityManager.EntitySysManager.GetEntitySystem<PuddleSystem>()
-                .TrySpillAt(tile, new Solution(reagent.ID, reactVolume, data), out var puddleUid, false, false))
-            {
-                var slippery = entityManager.EnsureComponent<SlipperyComponent>(puddleUid);
-                slippery.LaunchForwardsMultiplier = LaunchForwardsMultiplier;
-                slippery.ParalyzeTime = ParalyzeTime;
-                slippery.SuperSlippery = SuperSlippery;
-                entityManager.Dirty(puddleUid, slippery);
-
-                var step = entityManager.EnsureComponent<StepTriggerComponent>(puddleUid);
-                entityManager.EntitySysManager.GetEntitySystem<StepTriggerSystem>().SetRequiredTriggerSpeed(puddleUid, RequiredSlipSpeed, step);
-
-                var slow = entityManager.EnsureComponent<SpeedModifierContactsComponent>(puddleUid);
-                var speedModifier = 1 - reagent.Viscosity;
-                entityManager.EntitySysManager.GetEntitySystem<SpeedModifierContactsSystem>().ChangeModifiers(puddleUid, speedModifier, slow);
-
-                return reactVolume;
-            }
-
-            return FixedPoint2.Zero;
-        }
-    }
-}

Content.Server/Fluids/EntitySystems/PuddleSystem.cs

@@ -71,8 +71,6 @@ public sealed partial class PuddleSystem : SharedPuddleSystem
 
     private static string[] _standoutReagents = [Blood, Slime, CopperBlood];
 
-    public static readonly float PuddleVolume = 1000;
-
     // Using local deletion queue instead of the standard queue so that we can easily "undelete" if a puddle
     // loses & then gains reagents in a single tick.
     private HashSet<EntityUid> _deletionQueue = [];
@@ -94,7 +92,6 @@ public sealed partial class PuddleSystem : SharedPuddleSystem
         // Shouldn't need re-anchoring.
         SubscribeLocalEvent<PuddleComponent, AnchorStateChangedEvent>(OnAnchorChanged);
         SubscribeLocalEvent<PuddleComponent, SolutionContainerChangedEvent>(OnSolutionUpdate);
-        SubscribeLocalEvent<PuddleComponent, ComponentInit>(OnPuddleInit);
         SubscribeLocalEvent<PuddleComponent, SpreadNeighborsEvent>(OnPuddleSpread);
         SubscribeLocalEvent<PuddleComponent, SlipEvent>(OnPuddleSlip);
 
@@ -327,11 +324,6 @@ public sealed partial class PuddleSystem : SharedPuddleSystem
         TickEvaporation();
     }
 
-    private void OnPuddleInit(Entity<PuddleComponent> entity, ref ComponentInit args)
-    {
-        _solutionContainerSystem.EnsureSolution(entity.Owner, entity.Comp.SolutionName, out _, FixedPoint2.New(PuddleVolume));
-    }
-
     private void OnSolutionUpdate(Entity<PuddleComponent> entity, ref SolutionContainerChangedEvent args)
     {
         if (args.SolutionId != entity.Comp.SolutionName)
@@ -344,7 +336,7 @@ public sealed partial class PuddleSystem : SharedPuddleSystem
         }
 
         _deletionQueue.Remove(entity);
-        UpdateSlip(entity, entity.Comp, args.Solution);
+        UpdateSlip((entity, entity.Comp), args.Solution);
         UpdateSlow(entity, args.Solution);
         UpdateEvaporation(entity, args.Solution);
         UpdateAppearance(entity, entity.Comp);
@@ -389,62 +381,89 @@ public sealed partial class PuddleSystem : SharedPuddleSystem
         _appearance.SetData(uid, PuddleVisuals.SolutionColor, color, appearance);
     }
 
-    private void UpdateSlip(EntityUid entityUid, PuddleComponent component, Solution solution)
+    private void UpdateSlip(Entity<PuddleComponent> entity, Solution solution)
     {
-        var isSlippery = false;
-        var isSuperSlippery = false;
-        // The base sprite is currently at 0.3 so we require at least 2nd tier to be slippery or else it's too hard to see.
-        var amountRequired = FixedPoint2.New(component.OverflowVolume.Float() * LowThreshold);
-        var slipperyAmount = FixedPoint2.Zero;
+        if (!TryComp<StepTriggerComponent>(entity, out var comp))
+            return;
 
-        // Utilize the defaults from their relevant systems... this sucks, and is a bandaid
-        var launchForwardsMultiplier = SlipperyComponent.DefaultLaunchForwardsMultiplier;
-        var paralyzeTime = SlipperyComponent.DefaultParalyzeTime;
-        var requiredSlipSpeed = StepTriggerComponent.DefaultRequiredTriggeredSpeed;
+        // This is the base amount of reagent needed before a puddle can be considered slippery. Is defined based on
+        // the sprite threshold for a puddle larger than 5 pixels.
+        var smallPuddleThreshold = FixedPoint2.New(entity.Comp.OverflowVolume.Float() * LowThreshold);
+
+        // Stores how many units of slippery reagents a puddle has
+        var slipperyUnits = FixedPoint2.Zero;
+        // Stores how many units of super slippery reagents a puddle has
+        var superSlipperyUnits = FixedPoint2.Zero;
+
+        // These three values will be averaged later and all start at zero so the calculations work
+        // A cumulative weighted amount of minimum speed to slip values
+        var puddleFriction = FixedPoint2.Zero;
+        // A cumulative weighted amount of minimum speed to slip values
+        var slipStepTrigger = FixedPoint2.Zero;
+        // A cumulative weighted amount of launch multipliers from slippery reagents
+        var launchMult = FixedPoint2.Zero;
+        // A cumulative weighted amount of stun times from slippery reagents
+        var stunTimer = TimeSpan.Zero;
+
+        // Check if the puddle is big enough to slip in to avoid doing unnecessary logic
+        if (solution.Volume <= smallPuddleThreshold)
+        {
+            _stepTrigger.SetActive(entity, false, comp);
+            _tile.SetModifier(entity, TileFrictionController.DefaultFriction);
+            return;
+        }
+
+        if (!TryComp<SlipperyComponent>(entity, out var slipComp))
+            return;
 
         foreach (var (reagent, quantity) in solution.Contents)
         {
             var reagentProto = _prototypeManager.Index<ReagentPrototype>(reagent.Prototype);
 
-            if (!reagentProto.Slippery)
+            // Calculate the minimum speed needed to slip in the puddle. Average the overall slip thresholds for all reagents
+            var deltaSlipTrigger = reagentProto.SlipData?.RequiredSlipSpeed ?? entity.Comp.DefaultSlippery;
+            slipStepTrigger += quantity * deltaSlipTrigger;
+
+            // Aggregate Friction based on quantity
+            puddleFriction += reagentProto.Friction * quantity;
+
+            if (reagentProto.SlipData == null)
                 continue;
-            slipperyAmount += quantity;
 
-            if (slipperyAmount <= amountRequired)
-                continue;
-            isSlippery = true;
+            slipperyUnits += quantity;
+            // Aggregate launch speed based on quantity
+            launchMult += reagentProto.SlipData.LaunchForwardsMultiplier * quantity;
+            // Aggregate stun times based on quantity
+            stunTimer += reagentProto.SlipData.ParalyzeTime * (float)quantity;
 
-            foreach (var tileReaction in reagentProto.TileReactions)
-            {
-                if (tileReaction is not SpillTileReaction spillTileReaction)
-                    continue;
-                isSuperSlippery = spillTileReaction.SuperSlippery;
-                launchForwardsMultiplier = launchForwardsMultiplier < spillTileReaction.LaunchForwardsMultiplier ? spillTileReaction.LaunchForwardsMultiplier : launchForwardsMultiplier;
-                requiredSlipSpeed = requiredSlipSpeed > spillTileReaction.RequiredSlipSpeed ? spillTileReaction.RequiredSlipSpeed : requiredSlipSpeed;
-                paralyzeTime = paralyzeTime < spillTileReaction.ParalyzeTime ? spillTileReaction.ParalyzeTime : paralyzeTime;
-            }
+            if (reagentProto.SlipData.SuperSlippery)
+                superSlipperyUnits += quantity;
         }
 
-        if (isSlippery)
+        // Turn on the step trigger if it's slippery
+        _stepTrigger.SetActive(entity, slipperyUnits > smallPuddleThreshold, comp);
+
+        // This is based of the total volume and not just the slippery volume because there is a default
+        // slippery for all reagents even if they aren't technically slippery.
+        slipComp.SlipData.RequiredSlipSpeed = (float)(slipStepTrigger / solution.Volume);
+        _stepTrigger.SetRequiredTriggerSpeed(entity, slipComp.SlipData.RequiredSlipSpeed);
+
+        // Divide these both by only total amount of slippery reagents.
+        // A puddle with 10 units of lube vs a puddle with 10 of lube and 20 catchup should stun and launch forward the same amount.
+        if (slipperyUnits > 0)
         {
-            var comp = EnsureComp<StepTriggerComponent>(entityUid);
-            _stepTrigger.SetActive(entityUid, true, comp);
-            var friction = EnsureComp<TileFrictionModifierComponent>(entityUid);
-            _tile.SetModifier(entityUid, TileFrictionController.DefaultFriction * 0.5f, friction);
-
-            if (!TryComp<SlipperyComponent>(entityUid, out var slipperyComponent))
-                return;
-            slipperyComponent.SuperSlippery = isSuperSlippery;
-            _stepTrigger.SetRequiredTriggerSpeed(entityUid, requiredSlipSpeed);
-            slipperyComponent.LaunchForwardsMultiplier = launchForwardsMultiplier;
-            slipperyComponent.ParalyzeTime = paralyzeTime;
-
-        }
-        else if (TryComp<StepTriggerComponent>(entityUid, out var comp))
-        {
-            _stepTrigger.SetActive(entityUid, false, comp);
-            RemCompDeferred<TileFrictionModifierComponent>(entityUid);
+            slipComp.SlipData.LaunchForwardsMultiplier = (float)(launchMult/slipperyUnits);
+            slipComp.SlipData.ParalyzeTime = (stunTimer/(float)slipperyUnits);
         }
+
+        // Only make it super slippery if there is enough super slippery units for its own puddle
+        slipComp.SlipData.SuperSlippery = superSlipperyUnits >= smallPuddleThreshold;
+
+        // Lower tile friction based on how slippery it is, lets items slide across a puddle of lube
+        slipComp.SlipData.SlipFriction = (float)(puddleFriction/solution.Volume);
+        _tile.SetModifier(entity, TileFrictionController.DefaultFriction * slipComp.SlipData.SlipFriction);
+
+        Dirty(entity, slipComp);
     }
 
     private void UpdateSlow(EntityUid uid, Solution solution)

Content.Shared/Chemistry/Reagent/ReagentPrototype.cs

@@ -9,6 +9,8 @@ using Content.Shared.Chemistry.Reaction;
 using Content.Shared.EntityEffects;
 using Content.Shared.Database;
 using Content.Shared.Nutrition;
+using Content.Shared.Prototypes;
+using Content.Shared.Slippery;
 using Robust.Shared.Audio;
 using Robust.Shared.Map;
 using Robust.Shared.Prototypes;
@@ -98,11 +100,12 @@ namespace Content.Shared.Chemistry.Reagent
         [DataField]
         public bool MetamorphicChangeColor { get; private set; } = true;
 
+
         /// <summary>
-        /// If this reagent is part of a puddle is it slippery.
+        /// If not null, makes something slippery. Also defines slippery interactions like stun time and launch mult.
         /// </summary>
         [DataField]
-        public bool Slippery;
+        public SlipperyEffectEntry? SlipData;
 
         /// <summary>
         /// The speed at which the reagent evaporates over time.
@@ -130,6 +133,13 @@ namespace Content.Shared.Chemistry.Reagent
         [DataField]
         public float Viscosity;
 
+        /// <summary>
+        /// Linear Friction Multiplier for a reagent
+        /// 0 - frictionless, 1 - no effect on friction
+        /// </summary>
+        [DataField]
+        public float Friction = 1.0f;
+
         /// <summary>
         /// Should this reagent work on the dead?
         /// </summary>

Content.Shared/Fluids/Components/PuddleComponent.cs

@@ -19,6 +19,12 @@ namespace Content.Shared.Fluids.Components
 
         [DataField("solution")] public string SolutionName = "puddle";
 
+        /// <summary>
+        /// Default minimum speed someone must be moving to slip for all reagents.
+        /// </summary>
+        [DataField]
+        public float DefaultSlippery = 5.5f;
+
         [ViewVariables]
         public Entity<SolutionComponent>? Solution;
     }

Content.Shared/Slippery/SlidingSystem.cs

@@ -11,20 +11,11 @@ public sealed class SlidingSystem : EntitySystem
     {
         base.Initialize();
 
-        SubscribeLocalEvent<SlidingComponent, TileFrictionEvent>(OnSlideAttempt);
         SubscribeLocalEvent<SlidingComponent, StoodEvent>(OnStand);
         SubscribeLocalEvent<SlidingComponent, StartCollideEvent>(OnStartCollide);
         SubscribeLocalEvent<SlidingComponent, EndCollideEvent>(OnEndCollide);
     }
 
-    /// <summary>
-    ///     Modify the friction by the frictionModifier stored on the component.
-    /// </summary>
-    private void OnSlideAttempt(EntityUid uid, SlidingComponent component, ref TileFrictionEvent args)
-    {
-        args.Modifier = component.FrictionModifier;
-    }
-
     /// <summary>
     ///     Remove the component when the entity stands up again.
     /// </summary>
@@ -38,11 +29,10 @@ public sealed class SlidingSystem : EntitySystem
     /// </summary>
     private void OnStartCollide(EntityUid uid, SlidingComponent component, ref StartCollideEvent args)
     {
-        if (!TryComp<SlipperyComponent>(args.OtherEntity, out var slippery) || !slippery.SuperSlippery)
+        if (!TryComp<SlipperyComponent>(args.OtherEntity, out var slippery) || !slippery.SlipData.SuperSlippery)
             return;
 
         component.CollidingEntities.Add(args.OtherEntity);
-        component.FrictionModifier = 0;
         Dirty(uid, component);
     }
 
@@ -55,7 +45,7 @@ public sealed class SlidingSystem : EntitySystem
             return;
 
         if (component.CollidingEntities.Count == 0)
-            component.FrictionModifier = SharedStunSystem.KnockDownModifier;
+            RemComp<SlidingComponent>(uid);
 
         Dirty(uid, component);
     }

Content.Shared/Slippery/SlipperyComponent.cs

@@ -1,6 +1,7 @@
 using Content.Shared.StepTrigger.Components;
 using Robust.Shared.Audio;
 using Robust.Shared.GameStates;
+using Robust.Shared.Serialization;
 
 namespace Content.Shared.Slippery
 {
@@ -13,8 +14,6 @@ namespace Content.Shared.Slippery
     [RegisterComponent, NetworkedComponent, AutoGenerateComponentState]
     public sealed partial class SlipperyComponent : Component
     {
-        public const float DefaultParalyzeTime = 1.5f;
-        public const float DefaultLaunchForwardsMultiplier = 1.5f;
         /// <summary>
         /// Path to the sound to be played when a mob slips.
         /// </summary>
@@ -23,25 +22,47 @@ namespace Content.Shared.Slippery
         public SoundSpecifier SlipSound = new SoundPathSpecifier("/Audio/Effects/slip.ogg");
 
         /// <summary>
-        /// How many seconds the mob will be paralyzed for.
+        /// Loads the data needed to determine how slippery something is.
         /// </summary>
         [DataField, AutoNetworkedField]
-        [Access(Other = AccessPermissions.ReadWrite)]
-        public float ParalyzeTime = DefaultParalyzeTime;
+        public SlipperyEffectEntry SlipData = new();
+    }
+    /// <summary>
+    /// Stores the data for slipperiness that way reagents and this component can use it.
+    /// </summary>
+    [DataDefinition, Serializable, NetSerializable]
+    public sealed partial class SlipperyEffectEntry
+    {
+        /// <summary>
+        /// How many seconds the mob will be paralyzed for.
+        /// </summary>
+        [DataField]
+        public TimeSpan ParalyzeTime = TimeSpan.FromSeconds(1.5);
 
         /// <summary>
         /// The entity's speed will be multiplied by this to slip it forwards.
         /// </summary>
-        [DataField, AutoNetworkedField]
-        [Access(Other = AccessPermissions.ReadWrite)]
-        public float LaunchForwardsMultiplier = DefaultLaunchForwardsMultiplier;
+        [DataField]
+        public float LaunchForwardsMultiplier = 1.5f;
+
+        /// <summary>
+        /// Minimum speed entity must be moving to slip.
+        /// </summary>
+        [DataField]
+        public float RequiredSlipSpeed = 3.5f;
 
         /// <summary>
         /// If this is true, any slipping entity loses its friction until
         /// it's not colliding with any SuperSlippery entities anymore.
+        /// They also will fail any attempts to stand up unless they have no-slips.
         /// </summary>
-        [DataField, AutoNetworkedField]
-        [Access(Other = AccessPermissions.ReadWrite)]
+        [DataField]
         public bool SuperSlippery;
+
+        /// <summary>
+        /// This is used to store the friction modifier that is used on a sliding entity.
+        /// </summary>
+        [DataField]
+        public float SlipFriction;
     }
 }

Content.Shared/Slippery/SlipperySystem.cs

@@ -39,7 +39,6 @@ public sealed class SlipperySystem : EntitySystem
         SubscribeLocalEvent<NoSlipComponent, SlipAttemptEvent>(OnNoSlipAttempt);
         SubscribeLocalEvent<SlowedOverSlipperyComponent, SlipAttemptEvent>(OnSlowedOverSlipAttempt);
         SubscribeLocalEvent<ThrownItemComponent, SlipCausingAttemptEvent>(OnThrownSlipAttempt);
-        // as long as slip-resistant mice are never added, this should be fine (otherwise a mouse-hat will transfer it's power to the wearer).
         SubscribeLocalEvent<NoSlipComponent, InventoryRelayedEvent<SlipAttemptEvent>>((e, c, ev) => OnNoSlipAttempt(e, c, ev.Args));
         SubscribeLocalEvent<SlowedOverSlipperyComponent, InventoryRelayedEvent<SlipAttemptEvent>>((e, c, ev) => OnSlowedOverSlipAttempt(e, c, ev.Args));
         SubscribeLocalEvent<SlowedOverSlipperyComponent, InventoryRelayedEvent<GetSlowedOverSlipperyModifierEvent>>(OnGetSlowedOverSlipperyModifier);
@@ -93,7 +92,7 @@ public sealed class SlipperySystem : EntitySystem
 
     public void TrySlip(EntityUid uid, SlipperyComponent component, EntityUid other, bool requiresContact = true)
     {
-        if (HasComp<KnockedDownComponent>(other) && !component.SuperSlippery)
+        if (HasComp<KnockedDownComponent>(other) && !component.SlipData.SuperSlippery)
             return;
 
         var attemptEv = new SlipAttemptEvent();
@@ -114,9 +113,9 @@ public sealed class SlipperySystem : EntitySystem
 
         if (TryComp(other, out PhysicsComponent? physics) && !HasComp<SlidingComponent>(other))
         {
-            _physics.SetLinearVelocity(other, physics.LinearVelocity * component.LaunchForwardsMultiplier, body: physics);
+            _physics.SetLinearVelocity(other, physics.LinearVelocity * component.SlipData.LaunchForwardsMultiplier, body: physics);
 
-            if (component.SuperSlippery && requiresContact)
+            if (component.SlipData.SuperSlippery && requiresContact)
             {
                 var sliding = EnsureComp<SlidingComponent>(other);
                 sliding.CollidingEntities.Add(uid);
@@ -126,7 +125,7 @@ public sealed class SlipperySystem : EntitySystem
 
         var playSound = !_statusEffects.HasStatusEffect(other, "KnockedDown");
 
-        _stun.TryParalyze(other, TimeSpan.FromSeconds(component.ParalyzeTime), true);
+        _stun.TryParalyze(other, component.SlipData.ParalyzeTime, true);
 
         // Preventing from playing the slip sound when you are already knocked down.
         if (playSound)

Content.Shared/StepTrigger/Components/StepTriggerComponent.cs

@@ -8,7 +8,6 @@ namespace Content.Shared.StepTrigger.Components;
 [Access(typeof(StepTriggerSystem))]
 public sealed partial class StepTriggerComponent : Component
 {
-    public const float DefaultRequiredTriggeredSpeed = 3.5f;
     /// <summary>
     ///     List of entities that are currently colliding with the entity.
     /// </summary>
@@ -38,7 +37,7 @@ public sealed partial class StepTriggerComponent : Component
     ///     Entities will only be triggered if their speed exceeds this limit.
     /// </summary>
     [DataField, AutoNetworkedField]
-    public float RequiredTriggeredSpeed = DefaultRequiredTriggeredSpeed;
+    public float RequiredTriggeredSpeed = 3.5f;
 
     /// <summary>
     ///     If any entities occupy the blacklist on the same tile then steptrigger won't work.

Resources/Prototypes/Entities/Effects/puddle.yml

@@ -113,6 +113,8 @@
   components:
   - type: Clickable
   - type: Slippery
+  - type: TileFrictionModifier
+    modifier: 0.3
   - type: Transform
     noRot: true
     anchored: true

Resources/Prototypes/Entities/Mobs/NPCs/silicon.yml

@@ -179,7 +179,8 @@
     rootTask:
       task: HonkbotCompound
   - type: Slippery
-    launchForwardsMultiplier: 2
+    slipData:
+      launchForwardsMultiplier: 2
   - type: Speech
     speechVerb: Cluwne
   - type: StepTrigger

Resources/Prototypes/Entities/Objects/Fun/dice.yml

@@ -125,7 +125,8 @@
   - type: Slippery
     slipSound:
       path: /Audio/Effects/glass_step.ogg
-    launchForwardsMultiplier: 0
+    slipData:
+      launchForwardsMultiplier: 0
   - type: DamageUserOnTrigger
     damage:
       types:

Resources/Prototypes/Entities/Objects/Fun/error.yml

@@ -16,8 +16,9 @@
         - ReagentId: Nutriment
           Quantity: 5
   - type: Slippery
-    paralyzeTime: 3
-    launchForwardsMultiplier: 3
+    slipData:
+      paralyzeTime: 3
+      launchForwardsMultiplier: 3
   - type: StepTrigger
     intersectRatio: 0.2
   - type: CollisionWake

Resources/Prototypes/Entities/Objects/Fun/toys.yml

@@ -1742,7 +1742,8 @@
   - type: UseDelay
     delay: 0.8
   - type: Slippery
-    paralyzeTime: 0
+    slipData:
+      paralyzeTime: 0
     slipSound:
       collection: Parp
       params:

Resources/Prototypes/Entities/Objects/Materials/shards.yml

@@ -69,7 +69,8 @@
   - type: Slippery
     slipSound:
       path: /Audio/Effects/glass_step.ogg
-    launchForwardsMultiplier: 0
+    slipData:
+      launchForwardsMultiplier: 0
   - type: TriggerOnStepTrigger
   - type: DamageUserOnTrigger
     damage:

Resources/Prototypes/Entities/Objects/Specific/Janitorial/soap.yml

@@ -127,8 +127,9 @@
   - type: SolutionContainerVisuals
     fillBaseName: syndie-
   - type: Slippery
-    paralyzeTime: 3
-    launchForwardsMultiplier: 3
+    slipData:
+      paralyzeTime: 3
+      launchForwardsMultiplier: 3
   - type: Item
     heldPrefix: syndie
   - type: FlavorProfile
@@ -152,8 +153,9 @@
     layers:
     - state: syndie-soaplet
   - type: Slippery
-    paralyzeTime: 1.5 # these things are tiny
-    launchForwardsMultiplier: 1.5
+    slipData:
+      paralyzeTime: 1.5 # these things are tiny
+      launchForwardsMultiplier: 1.5
   - type: StepTrigger
     intersectRatio: 0.04
   - type: Item
@@ -218,8 +220,9 @@
   - type: SolutionContainerVisuals
     fillBaseName: omega-
   - type: Slippery
-    paralyzeTime: 5.0
-    launchForwardsMultiplier: 3.0
+    slipData:
+      paralyzeTime: 5.0
+      launchForwardsMultiplier: 3.0
   - type: Item
     heldPrefix: omega
   - type: SolutionContainerManager

Resources/Prototypes/Reagents/Consumable/Drink/alcohol.yml

@@ -133,7 +133,6 @@
   name: reagent-name-ethanol
   parent: BaseAlcohol
   desc: reagent-desc-ethanol
-  slippery: true
   physicalDesc: reagent-physical-desc-strong-smelling
   flavor: alcohol
   color: "#b05b3c"

Resources/Prototypes/Reagents/Consumable/Drink/base_drink.yml

@@ -2,7 +2,8 @@
   id: BaseDrink
   group: Drinks
   abstract: true
-  slippery: true
+  slipData:
+    requiredSlipSpeed: 3.5
   metabolisms:
     Drink:
       effects:
@@ -18,7 +19,6 @@
     amount: 1
   tileReactions:
   - !type:ExtinguishTileReaction { }
-  - !type:SpillIfPuddlePresentTileReaction { }
 
 - type: reagent
   id: BaseSoda
@@ -46,6 +46,9 @@
   id: BaseAlcohol
   group: Drinks
   abstract: true
+  slipData:
+    requiredSlipSpeed: 3.5
+  friction: 0.4
   metabolisms:
     Drink:
       effects:

Resources/Prototypes/Reagents/Consumable/Drink/drinks.yml

@@ -435,7 +435,6 @@
   name: reagent-name-water
   parent: BaseDrink
   desc: reagent-desc-water
-  slippery: true
   evaporationSpeed: 0.3
   absorbent: true
   physicalDesc: reagent-physical-desc-translucent
@@ -444,6 +443,7 @@
   recognizable: true
   boilingPoint: 100.0
   meltingPoint: 0.0
+  friction: 0.4
   metabolisms:
     Drink:
       effects:
@@ -454,12 +454,15 @@
   id: Ice
   name: reagent-name-ice
   desc: reagent-desc-ice
+  slipData:
+    requiredSlipSpeed: 3.5
   physicalDesc: reagent-physical-desc-frosty
   flavor: cold
   color: "#bed8e6"
   recognizable: true
   meltingPoint: 0.0
   boilingPoint: 100.0
+  friction: 0.05 #Copied from Ice Crust
   plantMetabolism:
   - !type:PlantAdjustWater
     amount: 1

Resources/Prototypes/Reagents/Consumable/Food/condiments.yml

@@ -174,10 +174,7 @@
   color: "#fb7125"
   recognizable: true
   physicalDesc: reagent-physical-desc-sticky
-  slippery: false
   viscosity: 0.55 #Start using syrup to attach your remote recievers to your microwaves!
-  tileReactions:
-    - !type:SpillTileReaction
   metabolisms:
     Food:
       # 12 diona blood for 1 unit of syrup, this stuff better be worthwhile.

Resources/Prototypes/Reagents/biological.yml

@@ -13,7 +13,6 @@
   metamorphicChangeColor: false
   recognizable: true
   physicalDesc: reagent-physical-desc-ferrous
-  slippery: false
   metabolisms:
     Drink:
       effects:
@@ -56,7 +55,6 @@
   color: "#808A51"
   recognizable: true
   physicalDesc: reagent-physical-desc-slimy
-  slippery: false
 
 - type: reagent
   id: Slime
@@ -67,10 +65,7 @@
   color: "#2cf274"
   recognizable: true
   physicalDesc: reagent-physical-desc-viscous
-  slippery: false
   viscosity: 0.25
-  tileReactions:
-    - !type:SpillTileReaction
   metabolisms:
     Food:
       # Delicious!
@@ -91,10 +86,7 @@
   color: "#cd7314"
   recognizable: true
   physicalDesc: reagent-physical-desc-sticky
-  slippery: false
   viscosity: 0.10
-  tileReactions:
-    - !type:SpillTileReaction
   metabolisms:
     Food:
       # Sweet!
@@ -118,7 +110,6 @@
   color: "#162581"
   recognizable: true
   physicalDesc: reagent-physical-desc-metallic
-  slippery: false
 
 - type: reagent
   parent: Blood
@@ -130,7 +121,6 @@
   color: "#7a8bf2"
   recognizable: true
   physicalDesc: reagent-physical-desc-pungent
-  slippery: false
 
 - type: reagent
   id: ZombieBlood
@@ -140,7 +130,6 @@
   physicalDesc: reagent-physical-desc-necrotic
   flavor: bitter
   color: "#2b0700"
-  slippery: false
   metabolisms:
     Drink:
       # Disgusting!
@@ -202,7 +191,6 @@
   flavor: terrible
   color: "#d8d8b0"
   physicalDesc: reagent-physical-desc-exotic-smelling
-  slippery: false
   footstepSound:
     collection: FootstepBlood
     params:
@@ -216,7 +204,9 @@
   flavor: terrible
   color: "#87ab08"
   physicalDesc: reagent-physical-desc-pungent
-  slippery: true
+  slipData:
+    requiredSlipSpeed: 4.0 #It's not as slippery as water
+  friction: 0.4
   metabolisms:
     Drink:
       effects:
@@ -238,7 +228,6 @@
   physicalDesc: reagent-physical-desc-neural
   flavor: mindful
   color: "#C584B8"
-  slippery: false
   metabolisms:
     Drink:
       effects:

Resources/Prototypes/Reagents/chemicals.yml

@@ -165,7 +165,6 @@
   flavor: bitter
   color: "#E6E6DA"
   physicalDesc: reagent-physical-desc-crystalline
-  slippery: false
 
 - type: reagent
   id: Rororium

Resources/Prototypes/Reagents/cleaning.yml

@@ -68,17 +68,16 @@
   id: SpaceLube
   name: reagent-name-space-lube
   desc: reagent-desc-space-lube
-  slippery: true
+  slipData:
+    requiredSlipSpeed: 1
+    superSlippery: true
   physicalDesc: reagent-physical-desc-shiny
   flavor: funny
   color: "#77b58e"
   recognizable: true
   boilingPoint: 290.0 # Glycerin
   meltingPoint: 18.2
-  tileReactions:
-    - !type:SpillTileReaction
-      requiredSlipSpeed: 1
-      superSlippery: true
+  friction: 0.0
 
 - type: reagent
   id: SpaceGlue
@@ -90,8 +89,6 @@
   boilingPoint: 250.0
   meltingPoint: 380.0
   viscosity: 0.5
-  tileReactions:
-    - !type:SpillTileReaction
   reactiveEffects:
     Acidic:
       methods: [ Touch ]

Resources/Prototypes/Reagents/fun.yml

@@ -170,7 +170,8 @@
   id: Razorium
   name: reagent-name-razorium
   group: Toxins
-  slippery: true
+  slipData:
+    requiredSlipSpeed: 3.5
   desc: reagent-desc-razorium
   physicalDesc: reagent-physical-desc-reflective
   flavor: sharp
@@ -209,7 +210,8 @@
   id: Fresium
   name: reagent-name-fresium
   group: Toxins
-  slippery: true
+  slipData:
+    requiredSlipSpeed: 3.5
   desc: reagent-desc-fresium
   physicalDesc: reagent-physical-desc-frosty
   flavor: cold
@@ -305,7 +307,8 @@
   physicalDesc: reagent-physical-desc-funny
   flavor: funny
   color: "#FF4DD2"
-  slippery: true #clown juice gotta slip
+  slipData:
+    requiredSlipSpeed: 3.5 #clown juice gotta slip
   metabolisms:
     Medicine:
       effects:

Resources/Prototypes/Reagents/pyrotechnic.yml

@@ -149,13 +149,15 @@
   parent: BasePyrotechnic
   desc: reagent-desc-welding-fuel
   physicalDesc: reagent-physical-desc-oily
-  slippery: true
+  slipData:
+    requiredSlipSpeed: 3.5
   flavor: bitter
   flavorMinimum: 0.01
   color: "#a76b1c"
   recognizable: true
   boilingPoint: -84.7 # Acetylene. Close enough.
   meltingPoint: -80.7
+  friction: 0.4
   tileReactions:
   - !type:FlammableTileReaction {}
   metabolisms:
@@ -177,4 +179,4 @@
   flavor: bitter
   color: "#9e6b38"
   boilingPoint: 190.0 # Perfluorooctanoic Acid.
-  meltingPoint: 45.0
+  meltingPoint: 45.0

Resources/Prototypes/Reagents/toxins.yml

@@ -171,7 +171,6 @@
   flavor: sour
   color: "#48b3b8"
   physicalDesc: reagent-physical-desc-ferrous
-  slippery: false
   metabolisms:
     Drink:
       effects: