Item Prices

Facepunch.Steamworks.Test/InventoryTest.cs

@@ -13,9 +13,30 @@ namespace Steamworks
     public class InventoryTest
 	{
 		[TestMethod]
-        public async Task GetDefinitions()
+        public async Task GetItemsWithPricesAsync()
         {
+			var items = await SteamInventory.GetItemsWithPricesAsync();
 
+			foreach ( var item in items )
+			{
+				Console.WriteLine( $"[{item.LocalPrice}] {item.Name}" );
+			}
+		}
+
+		[TestMethod]
+		public async Task IutemDefs()
+		{
+			var items = await SteamInventory.GetItemsWithPricesAsync();
+
+			foreach ( var item in items )
+			{
+				Console.WriteLine( $"{item.Id}" );
+				foreach ( var prop in item.Properties )
+				{
+					Console.WriteLine( $"	{prop.Key}: {prop.Value}" );
+				}
+				Console.WriteLine( $"" );
+			}
 		}
 	}
 

Facepunch.Steamworks/Generated/Interfaces/ISteamInventory.cs

@@ -387,13 +387,13 @@ internal uint GetNumItemsWithPrices()
 		#region FunctionMeta
 		[UnmanagedFunctionPointer( CallingConvention.ThisCall )]
 		[return: MarshalAs( UnmanagedType.I1 )]
-		private delegate bool FGetItemsWithPrices( IntPtr self, [In,Out] SteamItemDef_t[]  pArrayItemDefs, ref ulong pCurrentPrices, ref ulong pBasePrices, uint unArrayLength );
+		private delegate bool FGetItemsWithPrices( IntPtr self, [In,Out] SteamItemDef_t[]  pArrayItemDefs, [In,Out] ulong[]  pCurrentPrices, [In,Out] ulong[]  pBasePrices, uint unArrayLength );
 		private FGetItemsWithPrices _GetItemsWithPrices;
 		
 		#endregion
-		internal bool GetItemsWithPrices( [In,Out] SteamItemDef_t[]  pArrayItemDefs, ref ulong pCurrentPrices, ref ulong pBasePrices, uint unArrayLength )
+		internal bool GetItemsWithPrices( [In,Out] SteamItemDef_t[]  pArrayItemDefs, [In,Out] ulong[]  pCurrentPrices, [In,Out] ulong[]  pBasePrices, uint unArrayLength )
 		{
-			return _GetItemsWithPrices( Self, pArrayItemDefs, ref pCurrentPrices, ref pBasePrices, unArrayLength );
+			return _GetItemsWithPrices( Self, pArrayItemDefs, pCurrentPrices, pBasePrices, unArrayLength );
 		}
 		
 		#region FunctionMeta

Facepunch.Steamworks/SteamInventory.cs

@@ -1,5 +1,6 @@
 using System;
 using System.Collections.Generic;
+using System.Linq;
 using System.Runtime.InteropServices;
 using System.Text;
 using System.Threading.Tasks;
@@ -28,10 +29,37 @@ internal static void InstallEvents()
 		{
 			new Event<SteamInventoryFullUpdate_t>( x => OnInventoryUpdated?.Invoke() );
 			new Event<SteamInventoryDefinitionUpdate_t>( x => OnDefinitionsUpdated?.Invoke() );
+
+			Internal.LoadItemDefinitions();
 		}
 
 		public static event Action OnInventoryUpdated;
 		public static event Action OnDefinitionsUpdated;
 
+		public static async Task<SteamItemDef[]> GetItemsWithPricesAsync()
+		{
+			var priceRequest = await Internal.RequestPrices();
+			if ( !priceRequest.HasValue || priceRequest.Value.Result != Result.OK )
+				return null;
+
+			Console.WriteLine( $"Currency: {priceRequest?.Currency}" );
+
+			var num = Internal.GetNumItemsWithPrices();
+
+			Console.WriteLine( $"num: {num}" );
+			if ( num <= 0 )
+				return null;
+
+			var defs = new SteamItemDef_t[num];
+			var currentPrices = new ulong[num];
+			var baseprices = new ulong[num];
+
+			var gotPrices = Internal.GetItemsWithPrices( defs, currentPrices, baseprices, num );
+			if ( !gotPrices )
+				return null;
+
+			return defs.Select( x => new SteamItemDef { _id = x } ).ToArray();
+		}
+
 	}
 }

Facepunch.Steamworks/Structs/SteamItemDef.cs

@@ -0,0 +1,170 @@
+using System;
+using System.Collections.Generic;
+using Steamworks.Data;
+
+namespace Steamworks
+{
+	public struct SteamItemDef
+	{
+		internal SteamItemDef_t _id;
+
+		public int Id => _id.Value;
+
+		/// <summary>
+		/// Shortcut to call GetProperty( "name" )
+		/// </summary>
+		public string Name => GetProperty( "name" );
+
+		/// <summary>
+		/// Shortcut to call GetProperty( "description" )
+		/// </summary>
+		public string Description => GetProperty( "description" );
+
+		/// <summary>
+		/// Shortcut to call GetProperty( "icon_url" )
+		/// </summary>
+		public string IconUrl => GetProperty( "icon_url" );
+
+		/// <summary>
+		/// Shortcut to call GetProperty( "icon_url_large" )
+		/// </summary>
+		public string IconUrlLarge => GetProperty( "icon_url_large" );
+
+		/// <summary>
+		/// Shortcut to call GetProperty( "price_category" )
+		/// </summary>
+		public string PriceCategory => GetProperty( "price_category" );
+
+		/// <summary>
+		/// Shortcut to call GetProperty( "type" )
+		/// </summary>
+		public string Type => GetProperty( "type" );
+
+		/// <summary>
+		/// Shortcut to call GetProperty( "exchange" )
+		/// </summary>
+		public string Exchange => GetProperty( "exchange" );
+
+		/// <summary>
+		/// Shortcut to call GetBoolProperty( "marketable" )
+		/// </summary>
+		public bool Marketable => GetBoolProperty( "marketable" );
+
+		/// <summary>
+		/// Shortcut to call GetBoolProperty( "tradable" )
+		/// </summary>
+		public bool Tradable => GetBoolProperty( "tradable" );
+
+		/// <summary>
+		/// Gets the property timestamp
+		/// </summary>
+		public DateTime Created => GetProperty<DateTime>( "timestamp" );
+
+		/// <summary>
+		/// Gets the property modified
+		/// </summary>
+		public DateTime Modified => GetProperty<DateTime>( "modified" );
+
+		/// <summary>
+		/// Get a specific property by name
+		/// </summary>
+		public string GetProperty( string name )
+		{
+			var sb = Helpers.TakeStringBuilder();
+			uint _ = (uint)sb.Capacity;
+
+			if ( !SteamInventory.Internal.GetItemDefinitionProperty( Id, name, sb, ref _ ) )
+				return null;
+
+			return sb.ToString();
+		}
+
+		/// <summary>
+		/// Read a raw property from the definition schema
+		/// </summary>
+		public bool GetBoolProperty( string name )
+		{
+			string val = GetProperty( name );
+
+			if ( val.Length == 0 ) return false;
+			if ( val[0] == '0' || val[0] == 'F' || val[0] == 'f' ) return false;
+
+			return true;
+		}
+
+		/// <summary>
+		/// Read a raw property from the definition schema
+		/// </summary>
+		public T GetProperty<T>( string name )
+		{
+			string val = GetProperty( name );
+
+			if ( string.IsNullOrEmpty( val ) )
+				return default( T );
+
+			try
+			{
+				return (T)Convert.ChangeType( val, typeof( T ) );
+			}
+			catch ( System.Exception )
+			{
+				return default( T );
+			}
+		}
+
+		/// <summary>
+		/// Gets a list of all properties on this item
+		/// </summary>
+		public IEnumerable<KeyValuePair<string, string>> Properties
+		{
+			get
+			{
+				var list = GetProperty( null );
+				var keys = list.Split( ',' );
+
+				foreach ( var key in keys )
+				{
+					yield return new KeyValuePair<string, string>( key, GetProperty( key ) );
+				}
+			}
+		}
+
+		/// <summary>
+		/// Returns the price of this item in the local currency (SteamInventory.Currency)
+		/// </summary>
+		public int LocalPrice
+		{
+			get
+			{
+				ulong curprice = 0;
+				ulong baseprice = 0;
+
+				if ( !SteamInventory.Internal.GetItemPrice( Id, ref curprice, ref baseprice ) )
+					return 0;
+
+				return (int) curprice;
+			}
+		}
+
+		/// <summary>
+		/// If the price has been discounted, LocalPrice will differ from LocalBasePrice
+		/// (assumed, this isn't documented)
+		/// </summary>
+		public int LocalBasePrice
+		{
+			get
+			{
+				ulong curprice = 0;
+				ulong baseprice = 0;
+
+				if ( !SteamInventory.Internal.GetItemPrice( Id, ref curprice, ref baseprice ) )
+					return 0;
+
+				return (int)baseprice;
+			}
+		}
+
+		public int CurrentPrice;
+		public int BasePrice;
+	}
+}

Generator/CodeWriter/Types/BaseType.cs

@@ -66,6 +66,8 @@ public virtual bool IsVector
 			if ( VarName == "prgUsers" ) return true;
 			if ( VarName == "punArrayQuantity" ) return true;
 			if ( VarName == "pArrayItemDefs" ) return true;
+			if ( VarName == "pBasePrices" ) return true;
+			if ( VarName == "pCurrentPrices" ) return true;
 			if ( VarName == "pDetails" && Func == "GetDownloadedLeaderboardEntry" ) return true;
 			if ( VarName == "pData" && NativeType.EndsWith( "*" ) && Func.StartsWith( "GetGlobalStatHistory" ) ) return true;
 			if ( NativeType.EndsWith( "**" ) ) return true;