Flatpacks and the Flatpacker 1001 (#23338)

* Flatpacker and flatpacks

* ok that's good enough

* convert solars/AME to flatpacks

* mats, mats, we are the mats

* basic mechanics are DONE

* thing

* final UI

* sloth

* rped jumpscare

* rename

Content.Shared/Construction/Components/FlatpackCreatorComponent.cs

@@ -0,0 +1,69 @@
+using Content.Shared.Materials;
+using Robust.Shared.GameStates;
+using Robust.Shared.Prototypes;
+using Robust.Shared.Serialization;
+using Robust.Shared.Serialization.TypeSerializers.Implementations.Custom;
+
+namespace Content.Shared.Construction.Components;
+
+/// <summary>
+/// This is used for a machine that creates flatpacks at the cost of materials
+/// </summary>
+[RegisterComponent, NetworkedComponent]
+[Access(typeof(SharedFlatpackSystem))]
+[AutoGenerateComponentState]
+public sealed partial class FlatpackCreatorComponent : Component
+{
+    /// <summary>
+    /// Whether or not packing is occuring
+    /// </summary>
+    [DataField, ViewVariables(VVAccess.ReadWrite)]
+    [AutoNetworkedField]
+    public bool Packing;
+
+    /// <summary>
+    /// The time at which packing ends
+    /// </summary>
+    [DataField(customTypeSerializer: typeof(TimeOffsetSerializer)), ViewVariables(VVAccess.ReadWrite)]
+    [AutoNetworkedField]
+    public TimeSpan PackEndTime;
+
+    /// <summary>
+    /// How long packing lasts.
+    /// </summary>
+    [DataField, ViewVariables(VVAccess.ReadWrite)]
+    public TimeSpan PackDuration = TimeSpan.FromSeconds(3);
+
+    /// <summary>
+    /// The prototype used when spawning a flatpack.
+    /// </summary>
+    [DataField, ViewVariables(VVAccess.ReadWrite)]
+    public EntProtoId BaseFlatpackPrototype = "BaseFlatpack";
+
+    /// <summary>
+    /// A default cost applied to all flatpacks outside of the cost of constructing the machine.
+    /// </summary>
+    [DataField]
+    public Dictionary<ProtoId<MaterialPrototype>, int> BaseMaterialCost = new();
+
+    [DataField, ViewVariables(VVAccess.ReadWrite)]
+    public string SlotId = "board_slot";
+}
+
+[Serializable, NetSerializable]
+public enum FlatpackCreatorUIKey : byte
+{
+    Key
+}
+
+[Serializable, NetSerializable]
+public enum FlatpackCreatorVisuals : byte
+{
+    Packing
+}
+
+[Serializable, NetSerializable]
+public sealed class FlatpackCreatorStartPackBuiMessage : BoundUserInterfaceMessage
+{
+
+}