Revert "Physics (#3452)"

This reverts commit 3e64fd56a1.

Content.Server/GameObjects/Components/PA/ParticleProjectileComponent.cs

@@ -6,7 +6,6 @@ using Robust.Server.GameObjects;
 using Robust.Shared.GameObjects;
 using Robust.Shared.Log;
 using Robust.Shared.Maths;
-using Robust.Shared.Physics;
 using Robust.Shared.Timing;
 
 namespace Content.Server.GameObjects.Components.PA
@@ -16,9 +15,9 @@ namespace Content.Server.GameObjects.Components.PA
     {
         public override string Name => "ParticleProjectile";
         private ParticleAcceleratorPowerState _state;
-        public void CollideWith(IPhysBody ourBody, IPhysBody otherBody)
+        public void CollideWith(IEntity collidedWith)
         {
-            if (otherBody.Entity.TryGetComponent<SingularityComponent>(out var singularityComponent))
+            if (collidedWith.TryGetComponent<SingularityComponent>(out var singularityComponent))
             {
                 var multiplier = _state switch
                 {
@@ -31,8 +30,8 @@ namespace Content.Server.GameObjects.Components.PA
                 };
                 singularityComponent.Energy += 10 * multiplier;
                 Owner.Delete();
-            }
-            else if (otherBody.Entity.TryGetComponent<SingularityGeneratorComponent>(out var singularityGeneratorComponent))
+            }else if (collidedWith.TryGetComponent<SingularityGeneratorComponent>(out var singularityGeneratorComponent)
+            )
             {
                 singularityGeneratorComponent.Power += _state switch
                 {
@@ -56,7 +55,7 @@ namespace Content.Server.GameObjects.Components.PA
                 Logger.Error("ParticleProjectile tried firing, but it was spawned without a CollidableComponent");
                 return;
             }
-            physicsComponent.BodyStatus = BodyStatus.InAir;
+            physicsComponent.Status = BodyStatus.InAir;
 
             if (!Owner.TryGetComponent<ProjectileComponent>(out var projectileComponent))
             {
@@ -82,6 +81,7 @@ namespace Content.Server.GameObjects.Components.PA
             spriteComponent.LayerSetState(0, $"particle{suffix}");
 
             physicsComponent
+                .EnsureController<BulletController>()
                 .LinearVelocity = angle.ToVec() * 20f;
 
             Owner.Transform.LocalRotation = new Angle(angle + Angle.FromDegrees(180));