baseline: OpenMU upstream b5a0961 (fresh source)

src/GameLogic/PlayerActions/EnterQuestMapAction.cs

@@ -0,0 +1,98 @@
+// <copyright file="EnterQuestMapAction.cs" company="MUnique">
+// Licensed under the MIT License. See LICENSE file in the project root for full license information.
+// </copyright>
+
+namespace MUnique.OpenMU.GameLogic.PlayerActions;
+
+using MUnique.OpenMU.GameLogic.PlayerActions.Quests;
+
+/// <summary>
+/// Abstract base class for actions to enter maps which are only available when
+/// in a specific quest.
+/// </summary>
+public abstract class EnterQuestMapAction
+{
+    private readonly byte _questGroup;
+    private readonly short[] _questNumbers;
+
+    private readonly short _npcNumber;
+    private readonly int _price;
+    private readonly short _targetMapNumber;
+
+    /// <summary>
+    /// Initializes a new instance of the <see cref="EnterQuestMapAction"/> class.
+    /// </summary>
+    /// <param name="npcNumber">The NPC number.</param>
+    /// <param name="price">The price.</param>
+    /// <param name="targetMapNumber">The target map number.</param>
+    /// <param name="questGroup">The quest group.</param>
+    /// <param name="questNumbers">The quest numbers.</param>
+    protected EnterQuestMapAction(short npcNumber, int price, short targetMapNumber, byte questGroup, params short[] questNumbers)
+    {
+        this._questGroup = questGroup;
+        this._questNumbers = questNumbers;
+        this._npcNumber = npcNumber;
+        this._price = price;
+        this._targetMapNumber = targetMapNumber;
+    }
+
+    /// <summary>
+    /// Tries the enter quest map.
+    /// </summary>
+    /// <param name="player">The player.</param>
+    public async ValueTask TryEnterQuestMapAsync(Player player)
+    {
+        var openedNpc = player.OpenedNpc;
+        if (openedNpc?.Definition?.Number != this._npcNumber)
+        {
+            player.Logger.LogWarning($"NPC {this._npcNumber} not opened.");
+            return;
+        }
+
+        var activeQuestNumber = player.GetQuestState(this._questGroup)?.ActiveQuest?.Number;
+        if (activeQuestNumber is null)
+        {
+            player.Logger.LogWarning("No quest is active.");
+            return;
+        }
+
+        if (!this._questNumbers.Contains(activeQuestNumber.Value))
+        {
+            player.Logger.LogWarning($"Quest {activeQuestNumber} does not qualify to enter the map.");
+            return;
+        }
+
+        var targetMap = player.GameContext.Configuration.Maps.FirstOrDefault(m => m.Number == this._targetMapNumber);
+        if (targetMap is null)
+        {
+            player.Logger.LogError($"Map {this._targetMapNumber} wasn't found in the game configuration.");
+            return;
+        }
+
+        var targetGate = targetMap.ExitGates.FirstOrDefault();
+        if (targetGate is null)
+        {
+            player.Logger.LogError("Map {targetMap} has no exit gate", targetMap.Name.ValueInNeutralLanguage);
+            return;
+        }
+
+        if (this._price > 0 && !player.TryRemoveMoney(this._price))
+        {
+            player.Logger.LogError($"Not enough money to enter the map.");
+            await player.ShowLocalizedBlueMessageAsync(nameof(PlayerMessage.NotEnoughMoneyToEnter), targetMap.Name.GetTranslation(player.Culture)).ConfigureAwait(false);
+            return;
+        }
+
+        var partyPlayers = player.Party?.PartyList.Where(p => p.IsInRange(player.Position, 10)).OfType<Player>().ToList();
+        if (partyPlayers is null)
+        {
+            await player.WarpToAsync(targetGate).ConfigureAwait(false);
+            return;
+        }
+
+        foreach (var partyPlayer in partyPlayers)
+        {
+            await partyPlayer.WarpToAsync(targetGate).ConfigureAwait(false);
+        }
+    }
+}