tech disk 1984 (no tier 3) (#16646)

Content.Server/Research/TechnologyDisk/Components/DiskConsoleComponent.cs

@@ -7,15 +7,27 @@ namespace Content.Server.Research.TechnologyDisk.Components;
 [RegisterComponent]
 public sealed class DiskConsoleComponent : Component
 {
+    /// <summary>
+    /// How much it costs to print a disk
+    /// </summary>
     [DataField("pricePerDisk"), ViewVariables(VVAccess.ReadWrite)]
-    public int PricePerDisk = 2500;
+    public int PricePerDisk = 1000;
 
-    [DataField("diskPrototype", customTypeSerializer: typeof(PrototypeIdSerializer<EntityPrototype>))]
+    /// <summary>
+    /// The prototype of what's being printed
+    /// </summary>
+    [DataField("diskPrototype", customTypeSerializer: typeof(PrototypeIdSerializer<EntityPrototype>)), ViewVariables(VVAccess.ReadWrite)]
     public string DiskPrototype = "TechnologyDisk";
 
-    [DataField("printDuration")]
+    /// <summary>
+    /// How long it takes to print <see cref="DiskPrototype"/>
+    /// </summary>
+    [DataField("printDuration"), ViewVariables(VVAccess.ReadWrite)]
     public TimeSpan PrintDuration = TimeSpan.FromSeconds(1);
 
+    /// <summary>
+    /// The sound made when printing occurs
+    /// </summary>
     [DataField("printSound")]
     public SoundSpecifier PrintSound = new SoundPathSpecifier("/Audio/Machines/printer.ogg");
 }

Content.Server/Research/TechnologyDisk/Systems/DiskConsoleSystem.cs

@@ -30,13 +30,14 @@ public sealed class DiskConsoleSystem : EntitySystem
     {
         base.Update(frameTime);
 
-        foreach (var (printing, console, xform) in EntityQuery<DiskConsolePrintingComponent, DiskConsoleComponent, TransformComponent>())
+        var query = EntityQueryEnumerator<DiskConsolePrintingComponent, DiskConsoleComponent, TransformComponent>();
+        while (query.MoveNext(out var uid, out var printing, out var console, out var xform))
         {
             if (printing.FinishTime > _timing.CurTime)
                 continue;
 
-            RemComp(printing.Owner, printing);
-            EntityManager.SpawnEntity(console.DiskPrototype, xform.Coordinates);
+            RemComp(uid, printing);
+            Spawn(console.DiskPrototype, xform.Coordinates);
         }
     }
 

Content.Server/Research/TechnologyDisk/Systems/TechnologyDiskSystem.cs

@@ -42,7 +42,7 @@ public sealed class TechnologyDiskSystem : EntitySystem
             }
         }
         _popup.PopupEntity(Loc.GetString("tech-disk-inserted"), target, args.User);
-        Del(uid);
+        QueueDel(uid);
         args.Handled = true;
     }
 
@@ -66,10 +66,19 @@ public sealed class TechnologyDiskSystem : EntitySystem
         if (component.Recipes != null)
             return;
 
+        var lockoutTiers = new Dictionary<string, int>();
+        foreach (var discipline in _prototype.EnumeratePrototypes<TechDisciplinePrototype>())
+        {
+            lockoutTiers.Add(discipline.ID, discipline.LockoutTier);
+        }
+
         //get a list of every distinct recipe in all the technologies.
         var allTechs = new List<string>();
         foreach (var tech in _prototype.EnumeratePrototypes<TechnologyPrototype>())
         {
+            if (tech.Tier >= lockoutTiers[tech.Discipline])
+                continue;
+
             allTechs.AddRange(tech.RecipeUnlocks);
         }
         allTechs = allTechs.Distinct().ToList();
@@ -83,7 +92,17 @@ public sealed class TechnologyDiskSystem : EntitySystem
         allUnlocked = allUnlocked.Distinct().ToList();
 
         //make a list of every single non-unlocked tech
-        var validTechs = allTechs.Where(tech => !allUnlocked.Contains(tech)).ToList();
+        var validTechs = new List<string>();
+        foreach (var tech in allTechs)
+        {
+            if (allUnlocked.Contains(tech))
+                continue;
+
+            validTechs.Add(tech);
+        }
+
+        if (!validTechs.Any())
+            return;
 
         //pick one
         component.Recipes = new();