add bluespace shelter capsules

Content.Client/_DV/Salvage/Systems/ShelterCapsuleSystem.cs

@@ -0,0 +1,5 @@
+using Content.Shared._DV.Salvage.Systems;
+
+namespace Content.Client._DV.Salvage.Systems;
+
+public sealed class ShelterCapsuleSystem : SharedShelterCapsuleSystem;

Content.Server/_DV/Salvage/Systems/ShelterCapsuleSystem.cs

@@ -0,0 +1,67 @@
+using Content.Server.Procedural;
+using Content.Shared.Administration.Logs;
+using Content.Shared.Database;
+using Content.Shared._DV.Salvage.Components;
+using Content.Shared._DV.Salvage.Systems;
+using Content.Shared.Maps;
+using Content.Shared.Physics;
+using Robust.Shared.Map.Components;
+using Robust.Shared.Maths;
+using Robust.Shared.Prototypes;
+using System.Numerics;
+
+namespace Content.Server._DV.Salvage.Systems;
+
+public sealed class ShelterCapsuleSystem : SharedShelterCapsuleSystem
+{
+    [Dependency] private readonly DungeonSystem _dungeon = default!;
+    [Dependency] private readonly EntityLookupSystem _lookup = default!;
+    [Dependency] private readonly IPrototypeManager _proto = default!;
+    [Dependency] private readonly ISharedAdminLogManager _adminLogger = default!;
+    [Dependency] private readonly SharedMapSystem _map = default!;
+    [Dependency] private readonly TurfSystem _turf = default!;
+
+    private HashSet<Entity<TransformComponent>> _entities = new();
+
+    protected override LocId? TrySpawnRoom(Entity<ShelterCapsuleComponent> ent)
+    {
+        var xform = Transform(ent);
+        if (xform.GridUid is not {} gridUid || !TryComp<MapGridComponent>(gridUid, out var grid))
+            return "shelter-capsule-error-space";
+
+        var gridXform = Transform(gridUid);
+        var center = _map.LocalToTile(gridUid, grid, xform.Coordinates);
+        var room = _proto.Index(ent.Comp.Room);
+        var origin = center - room.Size / 2;
+
+        // check that every tile it needs isn't blocked
+        var mask = CollisionGroup.MobMask;
+        for (int y = 0; y < room.Size.Y; y++)
+        {
+            for (int x = 0; x < room.Size.X; x++)
+            {
+                var pos = origin + new Vector2i(x, y);
+                var tile = _map.GetTileRef((gridUid, grid), pos);
+                if (tile.Tile.IsEmpty)
+                    return "shelter-capsule-error-space";
+
+                if (_turf.IsTileBlocked(gridUid, pos, mask, grid, gridXform))
+                    return "shelter-capsule-error-obstructed";
+            }
+        }
+
+        var user = ent.Comp.User;
+        _adminLogger.Add(LogType.Action, LogImpact.High, $"{ToPrettyString(user):user} expanded {ToPrettyString(ent):capsule} at {center} on {ToPrettyString(gridUid):grid}");
+
+        _dungeon.SpawnRoom(gridUid,
+            grid,
+            origin,
+            room,
+            new Random(),
+            null,
+            clearExisting: true); // already checked for mobs and structures here
+
+        QueueDel(ent);
+        return null;
+    }
+}

Content.Shared/_DV/Salvage/Components/ShelterCapsuleComponent.cs

@@ -0,0 +1,39 @@
+using Content.Shared._DV.Salvage.Systems;
+using Content.Shared.Procedural;
+using Robust.Shared.GameStates;
+using Robust.Shared.Prototypes;
+using Robust.Shared.Serialization.TypeSerializers.Implementations.Custom;
+
+namespace Content.Shared._DV.Salvage.Components;
+
+/// <summary>
+/// Spawns a dungeon room after a delay when used and deletes itself.
+/// </summary>
+[RegisterComponent, NetworkedComponent, Access(typeof(SharedShelterCapsuleSystem))]
+[AutoGenerateComponentPause]
+public sealed partial class ShelterCapsuleComponent : Component
+{
+    /// <summary>
+    /// The room to spawn.
+    /// </summary>
+    [DataField(required: true)]
+    public ProtoId<DungeonRoomPrototype> Room;
+
+    /// <summary>
+    /// How long to wait between using and spawning the room.
+    /// </summary>
+    [DataField]
+    public TimeSpan Delay = TimeSpan.FromSeconds(5);
+
+    /// <summary>
+    /// When to next spawn the room, also used to ignore activating multiple times.
+    /// </summary>
+    [DataField(customTypeSerializer: typeof(TimeOffsetSerializer)), AutoPausedField]
+    public TimeSpan? NextSpawn;
+
+    /// <summary>
+    /// The user of the capsule, used for logging.
+    /// </summary>
+    [DataField]
+    public EntityUid? User;
+}

Content.Shared/_DV/Salvage/Systems/SharedShelterCapsuleSystem.cs

@@ -0,0 +1,66 @@
+using Content.Shared._DV.Salvage.Components;
+using Content.Shared.Interaction.Events;
+using Content.Shared.Popups;
+using Robust.Shared.Timing;
+
+namespace Content.Shared._DV.Salvage.Systems;
+
+/// <summary>
+/// Handles interaction for shelter capsules.
+/// Room spawning is done serverside.
+/// </summary>
+public abstract class SharedShelterCapsuleSystem : EntitySystem
+{
+    [Dependency] private readonly IGameTiming _timing = default!;
+    [Dependency] private readonly SharedPopupSystem _popup = default!;
+
+    public override void Initialize()
+    {
+        base.Initialize();
+
+        SubscribeLocalEvent<ShelterCapsuleComponent, UseInHandEvent>(OnUse);
+    }
+
+    public override void Update(float frameTime)
+    {
+        base.Update(frameTime);
+
+        var now = _timing.CurTime;
+        var query = EntityQueryEnumerator<ShelterCapsuleComponent>();
+        while (query.MoveNext(out var uid, out var comp))
+        {
+            if (comp.NextSpawn is not {} nextSpawn || now < nextSpawn)
+                continue;
+
+            comp.User = null;
+            comp.NextSpawn = null;
+            if (TrySpawnRoom((uid, comp)) is {} id)
+            {
+                var msg = Loc.GetString(id, ("capsule", uid));
+                _popup.PopupEntity(msg, uid, PopupType.LargeCaution);
+            }
+        }
+    }
+
+    /// <summary>
+    /// Spawn the room, returning a locale string for an error. It gets "capsule" passed.
+    /// </summary>
+    protected virtual LocId? TrySpawnRoom(Entity<ShelterCapsuleComponent> ent)
+    {
+        return null;
+    }
+
+    private void OnUse(Entity<ShelterCapsuleComponent> ent, ref UseInHandEvent args)
+    {
+        if (args.Handled || ent.Comp.NextSpawn != null)
+            return;
+
+        args.Handled = true;
+
+        var msg = Loc.GetString("shelter-capsule-warning", ("capsule", ent));
+        _popup.PopupPredicted(msg, ent, args.User, PopupType.LargeCaution);
+
+        ent.Comp.User = args.User;
+        ent.Comp.NextSpawn = _timing.CurTime + ent.Comp.Delay;
+    }
+}

Resources/Locale/en-US/_DV/salvage/shelter-capsule.ftl

@@ -0,0 +1,3 @@
+shelter-capsule-warning = {THE($capsule)} begins to shake. Stand back!
+shelter-capsule-error-space = {THE($capsule)} needs ground to deploy on!
+shelter-capsule-error-obstructed = {THE($capsule)} is obstructed, clear the area first!