Remove FoodContainer, add whitelists, replace with SpawnItemsOnUse (#4358)

Content.Server/Storage/EntitySpawnEntry.cs

@@ -0,0 +1,59 @@
+using System;
+using Robust.Shared.Prototypes;
+using Robust.Shared.Serialization.Manager;
+using Robust.Shared.Serialization.Manager.Attributes;
+using Robust.Shared.Serialization.TypeSerializers.Implementations.Custom.Prototype;
+
+namespace Content.Server.Storage
+{
+    /// <summary>
+    /// Dictates a list of items that can be spawned.
+    /// </summary>
+    [Serializable]
+    [DataDefinition]
+    public struct EntitySpawnEntry : IPopulateDefaultValues
+    {
+        [DataField("id", required: true, customTypeSerializer: typeof(PrototypeIdSerializer<EntityPrototype>))]
+        public string PrototypeId;
+
+        /// <summary>
+        /// The probability that an item will spawn. Takes decimal form so 0.05 is 5%, 0.50 is 50% etc.
+        /// </summary>
+        [DataField("prob")]
+        public float SpawnProbability;
+
+        /// <summary>
+        /// orGroup signifies to pick between entities designated with an ID.
+        ///
+        /// <example>
+        /// <para>To define an orGroup in a StorageFill component you
+        /// need to add it to the entities you want to choose between and
+        /// add a prob field. In this example there is a 50% chance the storage
+        /// spawns with Y or Z.
+        ///
+        /// </para>
+        /// <code>
+        /// - type: StorageFill
+        ///   contents:
+        ///     - name: X
+        ///     - name: Y
+        ///       prob: 0.50
+        ///       orGroup: YOrZ
+        ///     - name: Z
+        ///       orGroup: YOrZ
+        /// </code>
+        /// </example>
+        /// </summary>
+        [DataField("orGroup")]
+        public string? GroupId;
+
+        [DataField("amount")]
+        public int Amount;
+
+        public void PopulateDefaultValues()
+        {
+            Amount = 1;
+            SpawnProbability = 1;
+        }
+    }
+}