From 4098fc38ac0b183a2e5a49ce72fb4be174da361f Mon Sep 17 00:00:00 2001
From: Rutherther <fandabohacek@gmail.com>
Date: Sat, 7 Jan 2023 20:49:33 +0100
Subject: [PATCH] feat(game): add inventory api

---
 .../Apis/NostaleInventoryPacketApi.cs         | 101 ++++++++++++++++++
 Core/NosSmooth.Game/Data/Info/Position.cs     |   4 +
 Core/NosSmooth.Game/Errors/NotInRangeError.cs |  18 ++++
 .../Errors/NotInitializedError.cs             |  15 +++
 Core/NosSmooth.Game/NosSmooth.Game.csproj     |   4 -
 5 files changed, 138 insertions(+), 4 deletions(-)
 create mode 100644 Core/NosSmooth.Game/Apis/NostaleInventoryPacketApi.cs
 create mode 100644 Core/NosSmooth.Game/Errors/NotInRangeError.cs
 create mode 100644 Core/NosSmooth.Game/Errors/NotInitializedError.cs

diff --git a/Core/NosSmooth.Game/Apis/NostaleInventoryPacketApi.cs b/Core/NosSmooth.Game/Apis/NostaleInventoryPacketApi.cs
new file mode 100644
index 0000000..efcd3de
--- /dev/null
+++ b/Core/NosSmooth.Game/Apis/NostaleInventoryPacketApi.cs
@@ -0,0 +1,101 @@
+//
+//  NostaleInventoryPacketApi.cs
+//
+//  Copyright (c) František Boháček. All rights reserved.
+//  Licensed under the MIT license. See LICENSE file in the project root for full license information.
+
+using NosSmooth.Core.Client;
+using NosSmooth.Packets.Client.Inventory;
+using NosSmooth.Packets.Enums.Inventory;
+using Remora.Results;
+
+namespace NosSmooth.Game.Apis;
+
+/// <summary>
+/// Packet api for managing items in inventory.
+/// </summary>
+public class NostaleInventoryPacketApi
+{
+    private readonly INostaleClient _client;
+
+    /// <summary>
+    /// Initializes a new instance of the <see cref="NostaleInventoryPacketApi"/> class.
+    /// </summary>
+    /// <param name="client">The nostale client.</param>
+    public NostaleInventoryPacketApi(INostaleClient client)
+    {
+        _client = client;
+    }
+
+    /// <summary>
+    /// Drop the given item.
+    /// </summary>
+    /// <param name="bag">The bag where the item is located.</param>
+    /// <param name="slot">The slot the item is at.</param>
+    /// <param name="amount">The amount to drop.</param>
+    /// <param name="ct">The cancellation token used for cancelling the operation.</param>
+    /// <returns>A result that may or may not have succeeded.</returns>
+    public async Task<Result> DropItemAsync
+    (
+        BagType bag,
+        short slot,
+        short amount,
+        CancellationToken ct = default
+    )
+        => await _client.SendPacketAsync(new PutPacket(bag, slot, amount), ct);
+
+    /// <summary>
+    /// Move the given item within one bag.
+    /// </summary>
+    /// <param name="bag">The bag the item is in.</param>
+    /// <param name="sourceSlot">The source slot to move the item from.</param>
+    /// <param name="destinationSlot">The destination slot to move the item to.</param>
+    /// <param name="amount">The amount to move.</param>
+    /// <param name="ct">The cancellation token used for cancelling the operation.</param>
+    /// <returns>A result that may or may not have succeeded.</returns>
+    public async Task<Result> MoveItemAsync
+    (
+        BagType bag,
+        short sourceSlot,
+        short destinationSlot,
+        short amount,
+        CancellationToken ct = default
+    )
+        => await MoveItemAsync
+        (
+            bag,
+            sourceSlot,
+            bag,
+            destinationSlot,
+            amount,
+            ct
+        );
+
+    /// <summary>
+    /// Move an item from the given source bag and slot to the given destination bag and slot.
+    /// </summary>
+    /// <param name="sourceBag">The bag the item is in.</param>
+    /// <param name="sourceSlot">The source slot to move the item from.</param>
+    /// <param name="destinationBag">The destination bag to move the item to.</param>
+    /// <param name="destinationSlot">The destination slot to move the item to.</param>
+    /// <param name="amount">The amount to move.</param>
+    /// <param name="ct">The cancellation token used for cancelling the operation.</param>
+    /// <returns>A result that may or may not have succeeded.</returns>
+    public async Task<Result> MoveItemAsync
+    (
+        BagType sourceBag,
+        short sourceSlot,
+        BagType destinationBag,
+        short destinationSlot,
+        short amount,
+        CancellationToken ct = default
+    )
+    {
+        if (sourceBag == destinationBag)
+        {
+            return await _client.SendPacketAsync(new MviPacket(sourceBag, sourceSlot, amount, destinationSlot), ct);
+        }
+
+        return await _client.SendPacketAsync(new MvePacket(sourceBag, sourceSlot, destinationBag, destinationSlot), ct);
+    }
+}
\ No newline at end of file
diff --git a/Core/NosSmooth.Game/Data/Info/Position.cs b/Core/NosSmooth.Game/Data/Info/Position.cs
index e233a18..c4ce667 100644
--- a/Core/NosSmooth.Game/Data/Info/Position.cs
+++ b/Core/NosSmooth.Game/Data/Info/Position.cs
@@ -89,4 +89,8 @@ public record struct Position(short X, short Y)
     {
         return new Position((short)(left.X - right.X), (short)(left.Y - right.Y));
     }
+
+    /// <inheritdoc />
+    public override string ToString()
+        => $"{X}, {Y}";
 }
\ No newline at end of file
diff --git a/Core/NosSmooth.Game/Errors/NotInRangeError.cs b/Core/NosSmooth.Game/Errors/NotInRangeError.cs
new file mode 100644
index 0000000..070ddeb
--- /dev/null
+++ b/Core/NosSmooth.Game/Errors/NotInRangeError.cs
@@ -0,0 +1,18 @@
+//
+//  NotInRangeError.cs
+//
+//  Copyright (c) František Boháček. All rights reserved.
+//  Licensed under the MIT license. See LICENSE file in the project root for full license information.
+
+using NosSmooth.Game.Data.Info;
+using Remora.Results;
+
+namespace NosSmooth.Game.Errors;
+
+public record NotInRangeError
+(
+    string Entity,
+    Position EntityPosition,
+    Position TargetPosition,
+    short Range
+) : ResultError($"Entity {Entity} ({EntityPosition}) is not in range ({Range}) of ({TargetPosition}).");
\ No newline at end of file
diff --git a/Core/NosSmooth.Game/Errors/NotInitializedError.cs b/Core/NosSmooth.Game/Errors/NotInitializedError.cs
new file mode 100644
index 0000000..641fe62
--- /dev/null
+++ b/Core/NosSmooth.Game/Errors/NotInitializedError.cs
@@ -0,0 +1,15 @@
+//
+//  NotInitializedError.cs
+//
+//  Copyright (c) František Boháček. All rights reserved.
+//  Licensed under the MIT license. See LICENSE file in the project root for full license information.
+
+using Remora.Results;
+
+namespace NosSmooth.Game.Errors;
+
+/// <summary>
+/// A game field that had to be accessed was not initialized.
+/// </summary>
+/// <param name="Field">The field.</param>
+public record NotInitializedError(string Field) : ResultError($"The {Field} is not initialized.");
\ No newline at end of file
diff --git a/Core/NosSmooth.Game/NosSmooth.Game.csproj b/Core/NosSmooth.Game/NosSmooth.Game.csproj
index 20a8e4d..5ef65ad 100644
--- a/Core/NosSmooth.Game/NosSmooth.Game.csproj
+++ b/Core/NosSmooth.Game/NosSmooth.Game.csproj
@@ -15,10 +15,6 @@ Move Friends, Group, Family, Inventory to Game</PackageReleaseNotes>
         <FileVersion>2.0.0</FileVersion>
     </PropertyGroup>
 
-    <ItemGroup>
-      <Folder Include="Apis" />
-    </ItemGroup>
-
     <ItemGroup>
       <ProjectReference Include="..\..\Data\NosSmooth.Data.Abstractions\NosSmooth.Data.Abstractions.csproj" />
       <ProjectReference Include="..\NosSmooth.Core\NosSmooth.Core.csproj" />
-- 
2.48.1