ECS CablePlacer (#6371)

Content.Server/Power/EntitySystems/CableSystem.Placer.cs

@@ -0,0 +1,47 @@
+using Content.Server.Power.Components;
+using Content.Server.Stack;
+using Content.Shared.Interaction;
+using Content.Shared.Interaction.Helpers;
+using Content.Shared.Maps;
+using Robust.Shared.GameObjects;
+
+namespace Content.Server.Power.EntitySystems;
+
+public sealed partial class CableSystem
+{
+    private void InitializeCablePlacer()
+    {
+        SubscribeLocalEvent<CablePlacerComponent, AfterInteractEvent>(OnCablePlacerAfterInteract);
+    }
+
+    private void OnCablePlacerAfterInteract(EntityUid uid, CablePlacerComponent component, AfterInteractEvent args)
+    {
+        if (args.Handled) return;
+
+        if (component.CablePrototypeId == null) return;
+
+        if (!args.InRangeUnobstructed(ignoreInsideBlocker: true, popup: true))
+            return;
+
+        if(!_mapManager.TryGetGrid(args.ClickLocation.GetGridId(EntityManager), out var grid))
+            return;
+
+        var snapPos = grid.TileIndicesFor(args.ClickLocation);
+        var tileDef = (ContentTileDefinition) _tileManager[grid.GetTileRef(snapPos).Tile.TypeId];
+
+        if (!tileDef.IsSubFloor || !tileDef.Sturdy)
+            return;
+
+        foreach (var anchored in grid.GetAnchoredEntities(snapPos))
+        {
+            if (TryComp<CableComponent>(anchored, out var wire) && wire.CableType == component.BlockingCableType)
+                return;
+        }
+
+        if (TryComp<StackComponent>(component.Owner, out var stack) && !_stack.Use(component.Owner, 1, stack))
+            return;
+
+        EntityManager.SpawnEntity(component.CablePrototypeId, grid.GridTileToLocal(snapPos));
+        args.Handled = true;
+    }
+}