Makes construction graphs turing complete (#3516)

* Makes construction graphs turing complete

* Improvements

Content.Server/Construction/Conditions/AllConditions.cs

@@ -0,0 +1,28 @@
+using System;
+using System.Threading.Tasks;
+using Content.Shared.Construction;
+using JetBrains.Annotations;
+using Robust.Shared.GameObjects;
+using Robust.Shared.Serialization.Manager.Attributes;
+
+namespace Content.Server.Construction.Conditions
+{
+    [UsedImplicitly]
+    [DataDefinition]
+    public class AllConditions : IEdgeCondition
+    {
+        [field: DataField("conditions")]
+        public IEdgeCondition[] Conditions { get; } = Array.Empty<IEdgeCondition>();
+
+        public async Task<bool> Condition(IEntity entity)
+        {
+            foreach (var condition in Conditions)
+            {
+                if (!await condition.Condition(entity))
+                    return false;
+            }
+
+            return true;
+        }
+    }
+}