Re-organize all projects (#4166)

Content.Server/Coordinates/Helpers/GridTileLookupHelpers.cs

@@ -0,0 +1,34 @@
+#nullable enable
+using System.Collections.Generic;
+using System.Runtime.CompilerServices;
+using Robust.Server.GameObjects;
+using Robust.Shared.GameObjects;
+using Robust.Shared.Map;
+using Robust.Shared.Maths;
+
+namespace Content.Server.Coordinates.Helpers
+{
+    public static class GridTileLookupHelpers
+    {
+        /// <summary>
+        ///     Helper that returns all entities in a turf very fast.
+        /// </summary>
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        public static IEnumerable<IEntity> GetEntitiesInTileFast(this TileRef turf, GridTileLookupSystem? gridTileLookup = null)
+        {
+            gridTileLookup ??= EntitySystem.Get<GridTileLookupSystem>();
+
+            return gridTileLookup.GetEntitiesIntersecting(turf.GridIndex, turf.GridIndices);
+        }
+
+        /// <summary>
+        ///     Helper that returns all entities in a turf.
+        /// </summary>
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        public static IEnumerable<IEntity> GetEntitiesInTileFast(this Vector2i indices, GridId gridId, GridTileLookupSystem? gridTileLookup = null)
+        {
+            gridTileLookup ??= EntitySystem.Get<GridTileLookupSystem>();
+            return gridTileLookup.GetEntitiesIntersecting(gridId, indices);
+        }
+    }
+}

Content.Server/Coordinates/Helpers/SnapgridHelper.cs

@@ -0,0 +1,50 @@
+using System;
+using Robust.Shared.GameObjects;
+using Robust.Shared.IoC;
+using Robust.Shared.Map;
+
+namespace Content.Server.Coordinates.Helpers
+{
+    public static class SnapgridHelper
+    {
+        public static void SnapToGrid(this IEntity entity, IEntityManager? entityManager = null, IMapManager? mapManager = null)
+        {
+            entity.Transform.Coordinates = entity.Transform.Coordinates.SnapToGrid(entityManager, mapManager);
+        }
+
+        public static EntityCoordinates SnapToGrid(this EntityCoordinates coordinates, IEntityManager? entityManager = null, IMapManager? mapManager = null)
+        {
+            entityManager ??= IoCManager.Resolve<IEntityManager>();
+            mapManager ??= IoCManager.Resolve<IMapManager>();
+
+            var gridId = coordinates.GetGridId(entityManager);
+
+            var tileSize = 1f;
+
+            if (gridId.IsValid())
+            {
+                var grid = mapManager.GetGrid(gridId);
+                tileSize = grid.TileSize;
+            }
+
+            var localPos = coordinates.Position;
+
+            var x = (int)Math.Floor(localPos.X / tileSize) + tileSize / 2f;
+            var y = (int)Math.Floor(localPos.Y / tileSize) + tileSize / 2f;
+
+            return new EntityCoordinates(coordinates.EntityId, x, y);
+        }
+
+        public static EntityCoordinates SnapToGrid(this EntityCoordinates coordinates, IMapGrid grid)
+        {
+            var tileSize = grid.TileSize;
+
+            var localPos = coordinates.Position;
+
+            var x = (int)Math.Floor(localPos.X / tileSize) + tileSize / 2f;
+            var y = (int)Math.Floor(localPos.Y / tileSize) + tileSize / 2f;
+
+            return new EntityCoordinates(coordinates.EntityId, x, y);
+        }
+    }
+}