260 lines
10 KiB
C#
260 lines
10 KiB
C#
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using Microsoft.Xna.Framework;
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using Microsoft.Xna.Framework.Graphics;
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using Microsoft.Xna.Framework.Input;
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using Myra.Graphics2D;
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using Myra.Graphics2D.Brushes;
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using Myra.Graphics2D.UI;
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using Theriapolis.Core.Data;
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using Theriapolis.Core.Entities;
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using Theriapolis.Core.Items;
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using Theriapolis.Core.Rules.Character;
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using Theriapolis.Core.Rules.Dialogue;
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using Theriapolis.Core.Rules.Reputation;
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namespace Theriapolis.Game.Screens;
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/// <summary>
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/// Phase 6 M3 — buy/sell modal pushed from <see cref="InteractionScreen"/>
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/// when a dialogue option fires the <c>open_shop</c> effect.
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///
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/// Pricing applies the disposition modifier from
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/// <see cref="ShopPricing"/>: a friendly merchant sells for cheaper, an
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/// antagonistic one marks up. Hostile / Nemesis merchants refuse service
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/// outright (the screen shows a refusal line and only the close button).
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///
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/// Phase 6 M3 ships a hand-curated stock list per merchant role
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/// (innkeeper / shopkeeper / smith / alchemist) — Phase 6 M5 swaps this
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/// for trade-route-driven inventories.
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/// </summary>
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public sealed class ShopScreen : IScreen
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{
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private static readonly string[] InnkeeperStock = { "rations_predator", "rations_prey", "poultice_universal" };
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private static readonly string[] ShopkeeperStock = { "rope_claw_braid", "torch_scent_neutral", "scent_mask_basic", "rations_predator", "poultice_universal", "healers_kit" };
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private static readonly string[] SmithStock = { "fang_knife", "rend_sword", "thorn_blade", "paw_axe", "hide_vest", "leather_harness", "studded_leather", "chain_shirt", "buckler", "standard_shield" };
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private static readonly string[] AlchemistStock = { "poultice_universal", "poultice_canid", "healers_kit", "scent_mask_basic", "pheromone_vial_calm", "pheromone_vial_fear" };
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private readonly NpcActor _npc;
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private readonly Character _pc;
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private readonly ContentResolver _content;
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private readonly PlayScreen _playScreen;
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private Game1 _game = null!;
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private Desktop _desktop = null!;
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private VerticalStackPanel _root = null!;
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private Label _statusLabel = null!;
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private VerticalStackPanel _stockList = null!;
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private VerticalStackPanel _bagList = null!;
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private bool _escWasDown = true;
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private bool _enterWasDown = true;
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public ShopScreen(NpcActor npc, Character pc, ContentResolver content, PlayScreen playScreen)
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{
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_npc = npc;
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_pc = pc;
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_content = content;
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_playScreen = playScreen;
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}
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public void Initialize(Game1 game)
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{
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_game = game;
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BuildLayout();
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}
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private int Disposition()
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=> EffectiveDisposition.For(_npc, _pc, _playScreen.Reputation, _content,
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_playScreen.World(), _playScreen.WorldSeed());
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private string[] StockForRole(string roleTag)
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{
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if (string.IsNullOrEmpty(roleTag)) return ShopkeeperStock;
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string suffix = roleTag;
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int dot = roleTag.LastIndexOf('.');
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if (dot >= 0) suffix = roleTag[(dot + 1)..];
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return suffix.ToLowerInvariant() switch
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{
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"innkeeper" => InnkeeperStock,
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"smith" => SmithStock,
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"alchemist" => AlchemistStock,
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_ => ShopkeeperStock,
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};
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}
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private void BuildLayout()
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{
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_root = new VerticalStackPanel
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{
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Spacing = 8,
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HorizontalAlignment = HorizontalAlignment.Center,
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VerticalAlignment = VerticalAlignment.Center,
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Padding = new Thickness(40, 24, 40, 24),
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Background = new SolidBrush(new Color(15, 12, 8, 240)),
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Width = 760,
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};
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_root.Widgets.Add(new Label
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{
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Text = $"{_npc.DisplayName} — wares",
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HorizontalAlignment = HorizontalAlignment.Center,
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TextColor = new Color(255, 230, 170),
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});
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int disp = Disposition();
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var label = DispositionLabels.For(disp);
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if (!ShopPricing.ServiceAvailable(disp))
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{
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_root.Widgets.Add(new Label
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{
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Text = $"\"I'll not deal with you. Get out before I call the constabulary.\"",
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HorizontalAlignment = HorizontalAlignment.Center,
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TextColor = new Color(220, 120, 120),
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Wrap = true,
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Width = 660,
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});
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_root.Widgets.Add(new Label { Text = " " });
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var closeRefused = new TextButton { Text = "Leave", Width = 240, HorizontalAlignment = HorizontalAlignment.Center };
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closeRefused.Click += (_, _) => _game.Screens.Pop();
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_root.Widgets.Add(closeRefused);
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_desktop = new Desktop { Root = _root };
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return;
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}
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_root.Widgets.Add(new Label
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{
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Text = $"[{DispositionLabels.DisplayName(label)}] · buy ×{ShopPricing.BuyMultiplier(disp):0.00} · sell ×{ShopPricing.SellMultiplier(disp):0.00}",
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HorizontalAlignment = HorizontalAlignment.Center,
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TextColor = new Color(120, 140, 180),
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});
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_statusLabel = new Label
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{
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Text = $"Your fangs: {_pc.CurrencyFang}",
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HorizontalAlignment = HorizontalAlignment.Center,
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TextColor = new Color(220, 200, 140),
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};
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_root.Widgets.Add(_statusLabel);
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_root.Widgets.Add(new Label { Text = " " });
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var twoCol = new HorizontalStackPanel { Spacing = 24 };
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_stockList = new VerticalStackPanel { Spacing = 2, Width = 360 };
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_stockList.Widgets.Add(new Label { Text = "BUY", TextColor = new Color(200, 180, 130) });
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twoCol.Widgets.Add(_stockList);
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_bagList = new VerticalStackPanel { Spacing = 2, Width = 360 };
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_bagList.Widgets.Add(new Label { Text = "SELL (your bag)", TextColor = new Color(200, 180, 130) });
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twoCol.Widgets.Add(_bagList);
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_root.Widgets.Add(twoCol);
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_root.Widgets.Add(new Label { Text = " " });
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_root.Widgets.Add(new Label
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{
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Text = "(Click an item to buy/sell · Esc / Enter to close)",
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HorizontalAlignment = HorizontalAlignment.Center,
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TextColor = new Color(120, 110, 100),
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});
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RefreshLists();
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_desktop = new Desktop { Root = _root };
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}
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private void RefreshLists()
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{
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// Rebuild buy list.
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for (int i = _stockList.Widgets.Count - 1; i >= 1; i--) _stockList.Widgets.RemoveAt(i);
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int disp = Disposition();
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var stock = StockForRole(_npc.RoleTag);
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foreach (var id in stock)
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{
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if (!_content.Items.TryGetValue(id, out var def)) continue;
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int price = ShopPricing.BuyPriceFor((int)System.Math.Round(def.CostFang), disp);
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var btn = new TextButton
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{
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Text = $" {def.Name,-26} {price,4}f",
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Width = 350,
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HorizontalAlignment = HorizontalAlignment.Left,
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};
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string capturedId = def.Id;
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btn.Click += (_, _) => TryBuy(capturedId);
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_stockList.Widgets.Add(btn);
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}
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// Rebuild sell list — group by item name + count, sell one at a time.
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for (int i = _bagList.Widgets.Count - 1; i >= 1; i--) _bagList.Widgets.RemoveAt(i);
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var grouped = _pc.Inventory.Items
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.Where(it => it.EquippedAt is null) // can't sell equipped gear without unequipping first
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.GroupBy(it => it.Def.Id)
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.OrderBy(g => g.Key, System.StringComparer.Ordinal);
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foreach (var grp in grouped)
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{
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var def = grp.First().Def;
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int totalQty = grp.Sum(it => it.Qty);
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int price = ShopPricing.SellPriceFor((int)System.Math.Round(def.CostFang), disp);
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var btn = new TextButton
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{
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Text = $" {def.Name,-22} ×{totalQty,2} @ {price,4}f",
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Width = 350,
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HorizontalAlignment = HorizontalAlignment.Left,
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};
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string capturedId = def.Id;
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btn.Click += (_, _) => TrySell(capturedId);
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_bagList.Widgets.Add(btn);
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}
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_statusLabel.Text = $"Your fangs: {_pc.CurrencyFang}";
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}
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private void TryBuy(string itemId)
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{
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if (!_content.Items.TryGetValue(itemId, out var def)) return;
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int disp = Disposition();
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int price = ShopPricing.BuyPriceFor((int)System.Math.Round(def.CostFang), disp);
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if (_pc.CurrencyFang < price)
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{
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_statusLabel.Text = $"Not enough fangs ({_pc.CurrencyFang} / {price}).";
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return;
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}
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_pc.CurrencyFang -= price;
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_pc.Inventory.Add(def, 1);
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_playScreen.Reputation.Submit(new RepEvent
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{
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Kind = RepEventKind.Trade,
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FactionId = _npc.FactionId,
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RoleTag = _npc.RoleTag,
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Magnitude = 1, // small positive bump per successful purchase
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Note = $"bought {def.Id}",
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TimestampSeconds = _playScreen.ClockSeconds(),
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}, _content.Factions);
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RefreshLists();
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}
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private void TrySell(string itemId)
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{
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if (!_content.Items.TryGetValue(itemId, out var def)) return;
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int disp = Disposition();
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int price = ShopPricing.SellPriceFor((int)System.Math.Round(def.CostFang), disp);
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// Remove ONE unit (smallest stack first to keep stacks tidy).
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var stack = _pc.Inventory.Items.Where(it => it.Def.Id == itemId && it.EquippedAt is null)
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.OrderBy(it => it.Qty)
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.FirstOrDefault();
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if (stack is null) return;
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stack.Qty--;
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if (stack.Qty <= 0) _pc.Inventory.Remove(stack);
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_pc.CurrencyFang += price;
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RefreshLists();
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}
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public void Update(GameTime gt)
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{
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var ks = Keyboard.GetState();
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bool esc = ks.IsKeyDown(Keys.Escape);
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bool ent = ks.IsKeyDown(Keys.Enter);
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bool escPressed = esc && !_escWasDown;
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bool entPressed = ent && !_enterWasDown;
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_escWasDown = esc; _enterWasDown = ent;
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if (escPressed || entPressed) _game.Screens.Pop();
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}
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public void Draw(GameTime gt, SpriteBatch sb) => _desktop.Render();
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public void Deactivate() { }
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public void Reactivate() { RefreshLists(); }
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}
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