add new salv loot into the vgroid procgen (#31290)

add new loot into vgroid procgen

Content.Server/Procedural/DungeonJob/DungeonJob.EntityTableDunGen.cs

@@ -0,0 +1,59 @@
+using System.Linq;
+using System.Threading.Tasks;
+using Content.Server.Ghost.Roles.Components;
+using Content.Server.NPC.Systems;
+using Content.Shared.EntityTable;
+using Content.Shared.Physics;
+using Content.Shared.Procedural;
+using Content.Shared.Procedural.DungeonLayers;
+using Robust.Shared.Collections;
+
+namespace Content.Server.Procedural.DungeonJob;
+
+public sealed partial class DungeonJob
+{
+    private async Task PostGen(
+        EntityTableDunGen gen,
+        Dungeon dungeon,
+        Random random)
+    {
+        var availableRooms = new ValueList<DungeonRoom>();
+        availableRooms.AddRange(dungeon.Rooms);
+        var availableTiles = new ValueList<Vector2i>(dungeon.AllTiles);
+
+        var count = random.Next(gen.MinCount, gen.MaxCount + 1);
+        var npcs = _entManager.System<NPCSystem>();
+
+        for (var i = 0; i < count; i++)
+        {
+            while (availableTiles.Count > 0)
+            {
+                var tile = availableTiles.RemoveSwap(random.Next(availableTiles.Count));
+
+                if (!_anchorable.TileFree(_grid,
+                        tile,
+                        (int) CollisionGroup.MachineLayer,
+                        (int) CollisionGroup.MachineLayer))
+                {
+                    continue;
+                }
+
+                var entities = _entManager.System<EntityTableSystem>().GetSpawns(gen.Table, random).ToList();
+                foreach (var ent in entities)
+                {
+                    var uid = _entManager.SpawnAtPosition(ent, _maps.GridTileToLocal(_gridUid, _grid, tile));
+                    _entManager.RemoveComponent<GhostRoleComponent>(uid);
+                    _entManager.RemoveComponent<GhostTakeoverAvailableComponent>(uid);
+                    npcs.SleepNPC(uid);
+                }
+
+                break;
+            }
+
+            await SuspendDungeon();
+
+            if (!ValidateResume())
+                return;
+        }
+    }
+}