Re-organize all projects (#4166)

Content.Server/Administration/Commands/FindEntitiesWithComponents.cs

@@ -0,0 +1,70 @@
+#nullable enable
+using System;
+using System.Collections.Generic;
+using Content.Shared.Administration;
+using Robust.Shared.Console;
+using Robust.Shared.GameObjects;
+using Robust.Shared.IoC;
+
+namespace Content.Server.Administration.Commands
+{
+    [AdminCommand(AdminFlags.Mapping)]
+    public class FindEntitiesWithComponents : IConsoleCommand
+    {
+        public string Command => "findentitieswithcomponents";
+        public string Description => "Finds entities with all of the specified components.";
+        public string Help => $"{Command} <componentName1> <componentName2>...";
+
+        public void Execute(IConsoleShell shell, string argStr, string[] args)
+        {
+            if (args.Length == 0)
+            {
+                shell.WriteLine($"Invalid amount of arguments: {args.Length}.\n{Help}");
+                return;
+            }
+
+            var components = new List<Type>();
+            var componentFactory = IoCManager.Resolve<IComponentFactory>();
+            var invalidArgs = new List<string>();
+
+            foreach (var arg in args)
+            {
+                if (!componentFactory.TryGetRegistration(arg, out var registration))
+                {
+                    invalidArgs.Add(arg);
+                    continue;
+                }
+
+                components.Add(registration.Type);
+            }
+
+            if (invalidArgs.Count > 0)
+            {
+                shell.WriteLine($"No component found for component names: {string.Join(", ", invalidArgs)}");
+                return;
+            }
+
+            var entityManager = IoCManager.Resolve<IEntityManager>();
+            var query = new MultipleTypeEntityQuery(components);
+            var entityIds = new HashSet<string>();
+
+            foreach (var entity in entityManager.GetEntities(query))
+            {
+                if (entity.Prototype == null)
+                {
+                    continue;
+                }
+
+                entityIds.Add(entity.Prototype.ID);
+            }
+
+            if (entityIds.Count == 0)
+            {
+                shell.WriteLine($"No entities found with components {string.Join(", ", args)}.");
+                return;
+            }
+
+            shell.WriteLine($"{entityIds.Count} entities found:\n{string.Join("\n", entityIds)}");
+        }
+    }
+}