Add more useful script globals.

Robust.Shared.Scripting/ScriptGlobalsShared.cs

@@ -3,6 +3,7 @@ using System.Diagnostics.CodeAnalysis;
 using JetBrains.Annotations;
 using Robust.Shared.GameObjects;
 using Robust.Shared.Interfaces.GameObjects;
+using Robust.Shared.Interfaces.Map;
 using Robust.Shared.IoC;
 using Robust.Shared.Map;
 using Robust.Shared.Prototypes;
@@ -17,6 +18,7 @@ namespace Robust.Shared.Scripting
         [field: Dependency] public IEntityManager ent { get; } = default!;
         [field: Dependency] public IComponentManager comp { get; } = default!;
         [field: Dependency] public IPrototypeManager prot { get; } = default!;
+        [field: Dependency] public IMapManager map { get; } = default!;
 
         public IEnumerable<T> protos<T>() where T : class, IPrototype
         {
@@ -35,6 +37,31 @@ namespace Robust.Shared.Scripting
             return new GridCoordinates((float)x, (float)y, gridId);
         }
 
+        public EntityUid eid(int i)
+        {
+            return new EntityUid(i);
+        }
+
+        public IEntity getent(int i)
+        {
+            return getent(eid(i));
+        }
+
+        public IEntity getent(EntityUid uid)
+        {
+            return ent.GetEntity(uid);
+        }
+
+        public IMapGrid getgrid(int i)
+        {
+            return map.GetGrid(new GridId(i));
+        }
+
+        public IMapGrid getgrid(GridId mapId)
+        {
+            return map.GetGrid(mapId);
+        }
+
         public IEntity spawn(string prototype, GridCoordinates position)
         {
             return ent.SpawnEntity(prototype, position);