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;
+        }
+    }
+}

Content.Server/Construction/Conditions/AnyConditions.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 AnyConditions : 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 true;
+            }
+
+            return false;
+        }
+    }
+}

Content.Server/Construction/Conditions/ContainerNotEmpty.cs

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+#nullable enable
+using System.Threading.Tasks;
+using Content.Shared.Construction;
+using JetBrains.Annotations;
+using Robust.Shared.Containers;
+using Robust.Shared.GameObjects;
+using Robust.Shared.Serialization.Manager.Attributes;
+using Robust.Shared.Utility;
+
+namespace Content.Server.Construction.Conditions
+{
+    [UsedImplicitly]
+    [DataDefinition]
+    public class ContainerNotEmpty : IEdgeCondition
+    {
+        [DataField("container")] public string Container { get; private set; } = string.Empty;
+        [DataField("text")] public string Text { get; private set; } = string.Empty;
+
+        public async Task<bool> Condition(IEntity entity)
+        {
+            if (!entity.TryGetComponent(out ContainerManagerComponent? containerManager) ||
+                !containerManager.TryGetContainer(Container, out var container)) return false;
+
+            return container.ContainedEntities.Count != 0;
+        }
+
+        public bool DoExamine(IEntity entity, FormattedMessage message, bool inDetailsRange)
+        {
+            if (!entity.TryGetComponent(out ContainerManagerComponent? containerManager) ||
+                !containerManager.TryGetContainer(Container, out var container)) return false;
+
+            if (container.ContainedEntities.Count != 0)
+                return false;
+
+            message.AddMarkup(Text);
+            return true;
+
+        }
+    }
+}