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>
2026-04-30 20:40:51 -07:00
commit b451f83174
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+using Microsoft.Xna.Framework;
+using Microsoft.Xna.Framework.Graphics;
+using Myra;
+using Myra.Graphics2D.UI;
+
+namespace Theriapolis.Game.Screens;
+
+/// <summary>
+/// Title screen: game logo text, "New World" button, optional seed input field.
+/// Uses Myra for all UI widgets.
+/// </summary>
+public sealed class TitleScreen : IScreen
+{
+    private Game1 _game = null!;
+    private Desktop _desktop = null!;
+    private TextBox? _seedInput;
+
+    public void Initialize(Game1 game)
+    {
+        _game = game;
+        BuildUI();
+    }
+
+    private void BuildUI()
+    {
+        var root = new VerticalStackPanel
+        {
+            Spacing = 12,
+            HorizontalAlignment = HorizontalAlignment.Center,
+            VerticalAlignment   = VerticalAlignment.Center,
+        };
+
+        // Title label
+        var title = new Label
+        {
+            Text = "THERIAPOLIS",
+            HorizontalAlignment = HorizontalAlignment.Center,
+        };
+        root.Widgets.Add(title);
+
+        // Sub-title
+        var sub = new Label
+        {
+            Text = "Veldara awaits.",
+            HorizontalAlignment = HorizontalAlignment.Center,
+        };
+        root.Widgets.Add(sub);
+
+        // Spacer
+        root.Widgets.Add(new Label { Text = " " });
+
+        // Seed row
+        var seedRow = new HorizontalStackPanel { Spacing = 8 };
+        seedRow.Widgets.Add(new Label { Text = "Seed:", VerticalAlignment = VerticalAlignment.Center });
+        _seedInput = new TextBox
+        {
+            Text  = "",
+            Width = 160,
+        };
+        seedRow.Widgets.Add(_seedInput);
+        root.Widgets.Add(seedRow);
+
+        // New World button
+        var newWorldBtn = new TextButton
+        {
+            Text  = "New World",
+            Width = 180,
+            HorizontalAlignment = HorizontalAlignment.Center,
+        };
+        newWorldBtn.Click += OnNewWorldClicked;
+        root.Widgets.Add(newWorldBtn);
+
+        var loadBtn = new TextButton
+        {
+            Text  = "Load Game",
+            Width = 180,
+            HorizontalAlignment = HorizontalAlignment.Center,
+        };
+        loadBtn.Click += (_, _) => _game.Screens.Push(new SaveLoadScreen());
+        root.Widgets.Add(loadBtn);
+
+        _desktop = new Desktop { Root = root };
+    }
+
+    private void OnNewWorldClicked(object? sender, EventArgs e)
+    {
+        ulong seed;
+        string raw = _seedInput?.Text?.Trim() ?? "";
+        if (string.IsNullOrEmpty(raw))
+        {
+            // Random seed from system time
+            seed = (ulong)DateTime.UtcNow.Ticks;
+        }
+        else if (!ulong.TryParse(raw, out seed))
+        {
+            // Hash the string to a seed
+            seed = 0;
+            foreach (char c in raw) seed = seed * 31 + c;
+        }
+
+        _game.Screens.Push(new CodexUI.Screens.CodexCharacterCreationScreen(seed));
+    }
+
+    public void Update(GameTime gameTime) { }
+
+    public void Draw(GameTime gameTime, SpriteBatch spriteBatch)
+    {
+        _game.GraphicsDevice.Clear(new Color(20, 20, 30));
+        _desktop.Render();
+    }
+
+    public void Deactivate()  { }
+    public void Reactivate()  { }
+}