Revert "[Add] Inertia 1.0 (#979)" (#988)

This reverts commit 8ccefa558d.

Co-authored-by: vanx <vanxxxx@discord>

Content.Shared/Movement/Components/MovementSpeedModifierComponent.cs

@@ -19,7 +19,7 @@ namespace Content.Shared.Movement.Components
         public const float DefaultWeightlessModifier = 0.7f;
         public const float DefaultWeightlessAcceleration = 1f;
 
-        public const float DefaultAcceleration = 50f; // White Dream inertia; 20f -> 50f
+        public const float DefaultAcceleration = 20f;
         public const float DefaultFriction = 20f;
         public const float DefaultFrictionNoInput = 20f;
 

Content.Shared/Movement/Systems/SharedMoverController.cs

@@ -383,17 +383,6 @@ public abstract partial class SharedMoverController : VirtualController
             return;
 
         var accelSpeed = accel * frameTime * wishSpeed;
-
-        // White Dream edit start; Inertia/Gradual Acceleration
-        var progress = MathF.Max(0, currentSpeed) / wishSpeed;
-
-        accelSpeed *= progress;
-
-        var minAcceleration = MathF.Max(0.5f, 0.1f * wishSpeed);
-
-        accelSpeed = MathF.Max(accelSpeed, accel * frameTime * minAcceleration);
-        // White Dream edit end
-
         accelSpeed = MathF.Min(accelSpeed, addSpeed);
 
         currentVelocity += wishDir * accelSpeed;

Resources/Prototypes/Entities/Mobs/Player/observer.yml

@@ -13,7 +13,6 @@
   - type: MovementSpeedModifier
     baseSprintSpeed: 12
     baseWalkSpeed: 8
-    acceleration: 100 # White Dream
   - type: MovementIgnoreGravity
   - type: Physics
     bodyType: KinematicController