SpawnMultiple cleanup in stacksystem (#13441)

Content.Server/Materials/MaterialStorageSystem.cs

@@ -6,6 +6,9 @@ using Content.Server.Power.Components;
 using Content.Server.Construction.Components;
 using Content.Server.Stack;
 using Content.Shared.Database;
+using JetBrains.Annotations;
+using Robust.Shared.Map;
+using Robust.Shared.Prototypes;
 
 namespace Content.Server.Materials;
 
@@ -15,6 +18,7 @@ namespace Content.Server.Materials;
 public sealed class MaterialStorageSystem : SharedMaterialStorageSystem
 {
     [Dependency] private readonly IAdminLogManager _adminLogger = default!;
+    [Dependency] private readonly IPrototypeManager _prototypeManager = default!;
     [Dependency] private readonly SharedAudioSystem _audio = default!;
     [Dependency] private readonly SharedPopupSystem _popup = default!;
     [Dependency] private readonly StackSystem _stackSystem = default!;
@@ -32,7 +36,7 @@ public sealed class MaterialStorageSystem : SharedMaterialStorageSystem
 
         foreach (var (material, amount) in component.Storage)
         {
-            _stackSystem.SpawnMultipleFromMaterial(amount, material, Transform(uid).Coordinates);
+            SpawnMultipleFromMaterial(amount, material, Transform(uid).Coordinates);
         }
     }
 
@@ -56,4 +60,42 @@ public sealed class MaterialStorageSystem : SharedMaterialStorageSystem
             $"{ToPrettyString(user):player} inserted {count} {ToPrettyString(toInsert):inserted} into {ToPrettyString(receiver):receiver}");
         return true;
     }
+
+    /// <summary>
+    ///     Spawn an amount of a material in stack entities.
+    ///     Note the 'amount' is material dependent.
+    ///     1 biomass = 1 biomass in its stack,
+    ///     but 100 plasma = 1 sheet of plasma, etc.
+    /// </summary>
+    [PublicAPI]
+    public List<EntityUid> SpawnMultipleFromMaterial(int amount, string material, EntityCoordinates coordinates)
+    {
+        if (!_prototypeManager.TryIndex<MaterialPrototype>(material, out var stackType))
+        {
+            Logger.Error("Failed to index material prototype " + material);
+            return new List<EntityUid>();
+        }
+
+        return SpawnMultipleFromMaterial(amount, stackType, coordinates);
+    }
+
+    /// <summary>
+    ///     Spawn an amount of a material in stack entities.
+    ///     Note the 'amount' is material dependent.
+    ///     1 biomass = 1 biomass in its stack,
+    ///     but 100 plasma = 1 sheet of plasma, etc.
+    /// </summary>
+    public List<EntityUid> SpawnMultipleFromMaterial(int amount, MaterialPrototype materialProto, EntityCoordinates coordinates)
+    {
+        if (amount <= 0)
+            return new List<EntityUid>();
+
+        var entProto = _prototypeManager.Index<EntityPrototype>(materialProto.StackEntity);
+        if (!entProto.TryGetComponent<MaterialComponent>(out var material))
+            return new List<EntityUid>();
+
+        var materialPerStack = material.Materials[materialProto.ID];
+        var amountToSpawn = amount / materialPerStack;
+        return _stackSystem.SpawnMultiple(materialProto.StackEntity, amountToSpawn, coordinates);
+    }
 }