Initial commit: Theriapolis baseline at port/godot branch point
Captures the pre-Godot-port state of the codebase. This is the rollback anchor for the Godot port (M0 of theriapolis-rpg-implementation-plan-godot-port.md). All Phase 0 through Phase 6.5 work is included; Phase 7 is in flight. Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
This commit is contained in:
Christopher Wiebe
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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.Items;
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using Theriapolis.Core.Rules.Character;
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using Theriapolis.Core.Rules.Stats;
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namespace Theriapolis.Game.Screens;
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/// <summary>
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/// Phase 5 M3 inventory screen. Pushed by <see cref="PlayScreen"/> when the
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/// player presses TAB. Two-column layout: equipped slots on the left, bagged
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/// items on the right. Click an equipped slot to unequip; click a bagged
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/// item to equip into its natural slot (weapon → main hand, armor → body,
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/// shield → off hand, enhancer → matching natural-weapon slot).
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///
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/// All mutations are direct on the character's <see cref="Inventory"/>;
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/// <see cref="Stats.DerivedStats"/> recomputes AC/Speed automatically on
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/// next read, so no signals or events are needed.
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/// </summary>
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public sealed class InventoryScreen : IScreen
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{
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private readonly Character _character;
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private Game1 _game = null!;
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private Desktop _desktop = null!;
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private Label? _statusLabel;
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private bool _tabWasDown = true;
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private bool _escWasDown = true;
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public InventoryScreen(Character character)
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{
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_character = character ?? throw new System.ArgumentNullException(nameof(character));
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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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BuildUI();
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}
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private void BuildUI()
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{
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var root = new VerticalStackPanel
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{
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Spacing = 6,
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HorizontalAlignment = HorizontalAlignment.Center,
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VerticalAlignment = VerticalAlignment.Top,
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Margin = new Thickness(20),
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Padding = new Thickness(20, 12, 20, 12),
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Background = new SolidBrush(new Color(0, 0, 0, 220)),
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};
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// Header
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root.Widgets.Add(new Label
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{
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Text = $"INVENTORY — {_character.Species.Name} {_character.ClassDef.Name} (Lv{_character.Level})",
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HorizontalAlignment = HorizontalAlignment.Center,
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});
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root.Widgets.Add(new Label
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{
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Text = FormatStatLine(),
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HorizontalAlignment = HorizontalAlignment.Center,
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});
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root.Widgets.Add(new Label { Text = " " });
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// Two columns
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var columns = new HorizontalStackPanel { Spacing = 24 };
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// Equipped column
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var equippedCol = new VerticalStackPanel { Spacing = 4, Width = 320 };
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equippedCol.Widgets.Add(new Label { Text = "EQUIPPED:" });
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foreach (EquipSlot slot in EquipSlotsToShow())
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equippedCol.Widgets.Add(BuildEquippedSlotRow(slot));
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columns.Widgets.Add(equippedCol);
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// Inventory column
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var bagCol = new VerticalStackPanel { Spacing = 4, Width = 380 };
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bagCol.Widgets.Add(new Label
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{
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Text = $"INVENTORY ({_character.Inventory.Items.Count} stacks, {_character.Inventory.TotalWeightLb:F1} lb):",
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});
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bool any = false;
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foreach (var item in _character.Inventory.Items)
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{
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// Skip equipped items in the bag list — they're shown in the equipped column.
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if (item.EquippedAt is not null) continue;
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any = true;
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bagCol.Widgets.Add(BuildBagItemRow(item));
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}
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if (!any)
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bagCol.Widgets.Add(new Label { Text = " (everything is equipped)" });
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columns.Widgets.Add(bagCol);
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root.Widgets.Add(columns);
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// Status line
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root.Widgets.Add(new Label { Text = " " });
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_statusLabel = new Label { Text = "TAB or ESC to close.", HorizontalAlignment = HorizontalAlignment.Center };
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root.Widgets.Add(_statusLabel);
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_desktop = new Desktop { Root = root };
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}
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private Widget BuildEquippedSlotRow(EquipSlot slot)
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{
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var inst = _character.Inventory.GetEquipped(slot);
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string text = inst is null
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? $" {SlotLabel(slot),-18}—"
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: $" {SlotLabel(slot),-18}{inst.Def.Name}";
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var btn = new TextButton
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{
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Text = text,
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Width = 320,
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Padding = new Thickness(4, 2, 4, 2),
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};
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if (inst is not null)
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btn.Click += (_, _) =>
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{
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_character.Inventory.TryUnequip(slot, out var err);
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if (!string.IsNullOrEmpty(err) && _statusLabel is not null) _statusLabel.Text = err;
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else SetStatus($"Unequipped {inst.Def.Name}.");
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BuildUI();
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};
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else btn.Enabled = false;
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return btn;
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}
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private Widget BuildBagItemRow(ItemInstance inst)
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{
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string suffix = inst.Qty > 1 ? $" ×{inst.Qty}" : "";
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string weight = $" ({inst.TotalWeightLb:F1} lb)";
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var btn = new TextButton
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{
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Text = $" {inst.Def.Name}{suffix}{weight}",
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Width = 380,
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Padding = new Thickness(4, 2, 4, 2),
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};
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var auto = NaturalSlotFor(inst);
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if (auto is null)
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{
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btn.Enabled = false; // gear / consumables — no equip target in M3
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}
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else
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{
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btn.Click += (_, _) =>
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{
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if (_character.Inventory.TryEquip(inst, auto.Value, out var err))
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SetStatus($"Equipped {inst.Def.Name} into {auto.Value}.");
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else
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SetStatus(err);
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BuildUI();
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};
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}
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return btn;
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}
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/// <summary>
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/// Default equip slot for an item based on kind. Returns null for items
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/// that have no obvious slot (consumables, adventuring gear).
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/// </summary>
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private static EquipSlot? NaturalSlotFor(ItemInstance inst)
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{
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switch (inst.Def.Kind)
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{
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case "weapon":
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return EquipSlot.MainHand;
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case "armor":
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return EquipSlot.Body;
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case "shield":
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return EquipSlot.OffHand;
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case "natural_weapon_enhancer":
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return EquipSlotExtensions.FromEnhancerSlot(inst.Def.EnhancerSlot);
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default:
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return null;
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}
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}
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private static IEnumerable<EquipSlot> EquipSlotsToShow() => new[]
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{
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EquipSlot.MainHand,
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EquipSlot.OffHand,
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EquipSlot.Body,
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EquipSlot.Helm,
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EquipSlot.Cloak,
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EquipSlot.Boots,
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EquipSlot.AdaptivePack,
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EquipSlot.NaturalWeaponFang,
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EquipSlot.NaturalWeaponClaw,
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EquipSlot.NaturalWeaponHoof,
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EquipSlot.NaturalWeaponAntler,
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EquipSlot.NaturalWeaponHorn,
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};
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private static string SlotLabel(EquipSlot s) => s switch
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{
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EquipSlot.MainHand => "Main hand:",
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EquipSlot.OffHand => "Off hand:",
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EquipSlot.Body => "Body:",
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EquipSlot.Helm => "Helm:",
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EquipSlot.Cloak => "Cloak:",
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EquipSlot.Boots => "Boots:",
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EquipSlot.AdaptivePack => "Pack:",
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EquipSlot.NaturalWeaponFang => "Fang caps:",
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EquipSlot.NaturalWeaponClaw => "Claw sheaths:",
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EquipSlot.NaturalWeaponHoof => "Hoof plates:",
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EquipSlot.NaturalWeaponAntler => "Antler tips:",
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EquipSlot.NaturalWeaponHorn => "Horn rings:",
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_ => s.ToString(),
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};
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private string FormatStatLine()
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{
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int ac = DerivedStats.ArmorClass(_character);
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int spd = DerivedStats.SpeedFt(_character);
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float cap = DerivedStats.CarryCapacityLb(_character);
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var enc = DerivedStats.Encumbrance(_character);
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return $"HP {_character.CurrentHp}/{_character.MaxHp} AC {ac} Speed {spd} ft. " +
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$"Carry {_character.Inventory.TotalWeightLb:F1}/{cap:F1} lb ({enc})";
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}
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private void SetStatus(string text)
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{
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if (_statusLabel is not null) _statusLabel.Text = text;
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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 tab = ks.IsKeyDown(Keys.Tab);
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bool esc = ks.IsKeyDown(Keys.Escape);
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bool tabPressed = tab && !_tabWasDown;
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bool escPressed = esc && !_escWasDown;
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_tabWasDown = tab;
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_escWasDown = esc;
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if (tabPressed || escPressed) _game.Screens.Pop();
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}
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public void Draw(GameTime gt, SpriteBatch sb)
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{
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// Don't clear — let the play screen's last frame show through (semi-transparent overlay).
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_desktop.Render();
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}
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public void Deactivate() { }
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public void Reactivate() { }
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}
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