Add gravitycomponent support to maps (#9857)

* Add gravitycomponent support to maps

The alert still needs fixing if you want planets.

* move

Content.Shared/Movement/Components/MovementIgnoreGravityComponent.cs

@@ -31,6 +31,7 @@ namespace Content.Shared.Movement.Components
 
     public static class GravityExtensions
     {
+        [Obsolete("Use GravitySystem")]
         public static bool IsWeightless(this EntityUid entity, PhysicsComponent? body = null, EntityCoordinates? coords = null, IMapManager? mapManager = null, IEntityManager? entityManager = null)
         {
             entityManager ??= IoCManager.Resolve<IEntityManager>();
@@ -47,10 +48,12 @@ namespace Content.Shared.Movement.Components
             var transform = entityManager.GetComponent<TransformComponent>(entity);
             var gridId = transform.GridUid;
 
+            if ((entityManager.TryGetComponent<GravityComponent>(transform.GridUid, out var gravity) ||
+                 entityManager.TryGetComponent(transform.MapUid, out gravity)) && gravity.Enabled)
+                return false;
+
             if (gridId == null)
             {
-                // Not on a grid = no gravity for now.
-                // In the future, may want to allow maps to override to always have gravity instead.
                 return true;
             }
 

Content.Shared/Movement/Systems/SharedMoverController.cs

@@ -2,6 +2,7 @@ using System.Diagnostics.CodeAnalysis;
 using Content.Shared.Audio;
 using Content.Shared.CCVar;
 using Content.Shared.Friction;
+using Content.Shared.Gravity;
 using Content.Shared.Inventory;
 using Content.Shared.Maps;
 using Content.Shared.MobState.Components;
@@ -34,6 +35,7 @@ namespace Content.Shared.Movement.Systems
         [Dependency] private readonly ITileDefinitionManager _tileDefinitionManager = default!;
         [Dependency] private readonly InventorySystem _inventory = default!;
         [Dependency] private readonly SharedContainerSystem _container = default!;
+        [Dependency] private readonly SharedGravitySystem _gravity = default!;
         [Dependency] private readonly SharedMobStateSystem _mobState = default!;
         [Dependency] private readonly TagSystem _tags = default!;
 
@@ -112,7 +114,7 @@ namespace Content.Shared.Movement.Systems
             }
 
             UsedMobMovement[mover.Owner] = true;
-            var weightless = mover.Owner.IsWeightless(physicsComponent, mapManager: _mapManager, entityManager: EntityManager);
+            var weightless = _gravity.IsWeightless(mover.Owner, physicsComponent, xform);
             var (walkDir, sprintDir) = GetVelocityInput(mover);
             var touching = false;