add config file

NResUI/Abstractions/IConfigProvider.cs

@@ -0,0 +1,27 @@
+namespace NResUI.Abstractions;
+
+public interface IConfigProvider
+{
+    ConfigJson GetConfig();
+    void Set(ConfigJson config);
+}
+
+public class ConfigProvider : IConfigProvider
+{
+    private ConfigJson _instance;
+
+    public ConfigProvider(ConfigJson instance)
+    {
+        _instance = instance;
+    }
+
+    public void Set(ConfigJson config)
+    {
+        _instance = config;
+    }
+
+    public ConfigJson GetConfig()
+    {
+        return _instance;
+    }
+}

NResUI/Abstractions/ILaunchReceiver.cs

@@ -0,0 +1,6 @@
+namespace NResUI.Abstractions;
+
+public interface ILaunchReceiver
+{
+    void OnLaunch();
+}

NResUI/App.cs

@@ -26,6 +26,7 @@ public class App
         public ImFontPtr OpenSansFont;
 
         private List<IImGuiPanel> _imGuiPanels = [];
+        private Later _later = new();
 
         public App()
         {
@@ -40,6 +41,9 @@ public class App
 
             IServiceCollection serviceCollection = new ServiceCollection();
 
+            serviceCollection.AddSingleton<ILater>(_later);
+            serviceCollection.AddSingleton<IConfigProvider>(new ConfigProvider(new ConfigJson()));
+
             foreach (var type in Utils.GetAssignableTypes<IService>())
             {
                 serviceCollection.AddSingleton(type);
@@ -50,6 +54,11 @@ public class App
                 serviceCollection.AddSingleton(type);
             }
 
+            foreach (var type in Utils.GetAssignableTypes<ILaunchReceiver>())
+            {
+                serviceCollection.AddSingleton(type);
+            }
+
             serviceCollection.AddSingleton(openGl);
             serviceCollection.AddSingleton(window);
 
@@ -68,6 +77,12 @@ public class App
             _imGuiPanels = Utils.GetAssignableTypes<IImGuiPanel>()
                 .Select(t => (serviceProvider.GetService(t) as IImGuiPanel)!)
                 .ToList();
+            
+            foreach (var type in Utils.GetAssignableTypes<ILaunchReceiver>())
+            {
+                var launchReceiver = serviceProvider.GetService(type) as ILaunchReceiver;
+                launchReceiver?.OnLaunch();
+            }
         }
 
         public void OnImGuiRender()
@@ -123,6 +138,11 @@ public class App
             {
                 imGuiPanel.OnImGuiRender();
             }
+            
+            foreach (var action in _later.Enumerate())
+            {
+                action();
+            }
 
             // ImGui.ShowMetricsWindow();
             // ImGui.ShowDemoWindow();

NResUI/ConfigJson.cs

@@ -0,0 +1,9 @@
+namespace NResUI;
+
+public class ConfigJson
+{
+    /// <summary>
+    /// Path to the game itself (the folder that contains DATA, MISSIONS, UNITS etc)
+    /// </summary>
+    public string GameBasePath { get; set; }
+}

NResUI/ILater.cs

@@ -0,0 +1,25 @@
+namespace NResUI;
+
+public interface ILater
+{
+    void Execute(Action action);
+}
+
+public class Later : ILater
+{
+    private Queue<Action> _queue = new();
+    
+    public void Execute(Action action)
+    {
+        _queue.Enqueue(action);
+    }
+
+    public IEnumerable<Action> Enumerate()
+    {
+        while (_queue.Count > 0)
+        {
+            var action = _queue.Dequeue();
+            yield return action;
+        }
+    }
+}

NResUI/ImGuiUI/ViewportPanel.cs

@@ -16,12 +16,14 @@ public sealed class ViewportPanel : IImGuiPanel
     private readonly ViewportScene _scene;
     private readonly ViewportCamera _camera = new();
     private readonly ViewportInputController _inputController = new();
+    private readonly IConfigProvider _configProvider;
 
     private string? _loadedModelPath;
     private string? _loadError;
 
-    public ViewportPanel(GL gl, IWindow window)
+    public ViewportPanel(GL gl, IWindow window, IConfigProvider configProvider)
     {
+        _configProvider = configProvider;
         var cubeMesh = PrimitiveMeshes.CreateCube(gl);
         var gridMesh = PrimitiveMeshes.CreateWorldGrid(gl);
 
@@ -94,7 +96,7 @@ public sealed class ViewportPanel : IImGuiPanel
         if (ImGui.Button("Reset cube"))
         {
             var cubeMesh = PrimitiveMeshes.CreateCube(_renderer.Gl);
-            _scene.ReplacePieces(new[] { ViewportPiece.CreateUnitCube(0, "Cube", cubeMesh) });
+            _scene.ReplacePieces([ViewportPiece.CreateUnitCube(0, "Cube", cubeMesh)]);
             _loadedModelPath = null;
             _loadError = null;
             _camera.Reset();
@@ -109,7 +111,7 @@ public sealed class ViewportPanel : IImGuiPanel
 
     private void LoadMsh(string path)
     {
-        var loadResult = MshViewportLoader.LoadFromFile(_renderer.Gl, path);
+        var loadResult = MshViewportLoader.LoadFromFile(_renderer.Gl, path, _configProvider);
         if (!loadResult.IsSuccess)
         {
             _loadError = loadResult.Error ?? "Unknown error.";

NResUI/LoadConfigOnLaunch.cs

@@ -0,0 +1,53 @@
+using System.Text.Json;
+using NResUI.Abstractions;
+using NResUI.ImGuiUI;
+
+namespace NResUI;
+
+public class LoadConfigOnLaunch : ILaunchReceiver
+{
+    private readonly ILater _later;
+    private readonly MessageBoxModalPanel _messageBoxModalPanel;
+    private readonly IConfigProvider _configProvider;
+
+    public LoadConfigOnLaunch(ILater later, MessageBoxModalPanel messageBoxModalPanel, IConfigProvider configProvider)
+    {
+        _later = later;
+        _messageBoxModalPanel = messageBoxModalPanel;
+        _configProvider = configProvider;
+    }
+
+    public void OnLaunch()
+    {
+        if (!File.Exists("config.json"))
+        {
+            _later.Execute(() =>
+            {
+                _messageBoxModalPanel.Show(
+                    "config.json is not present\nViewport may be broken without game files\nPlaceholder file has been created");
+            });
+            var config = new ConfigJson() { GameBasePath = "" };
+            File.WriteAllText("config.json", JsonSerializer.Serialize(config));
+            _configProvider.Set(config);
+        }
+        else
+        {
+            var content = File.ReadAllText("config.json");
+            var config = JsonSerializer.Deserialize<ConfigJson>(content);
+            if (config is null)
+            {
+                _later.Execute(() =>
+                {
+                    _messageBoxModalPanel.Show("config.json was corrupted\nReplacement has been created");
+                });
+                config = new ConfigJson() { GameBasePath = "" };
+                File.WriteAllText("config.json", JsonSerializer.Serialize(config));
+                _configProvider.Set(config);
+            }
+            else
+            {
+                _configProvider.Set(config);
+            }
+        }
+    }
+}

NResUI/Rendering/Viewport/Msh/MshViewportLoader.cs

@@ -1,6 +1,7 @@
 using System.Numerics;
 using MshLib;
 using NResLib;
+using NResUI.Abstractions;
 using NResUI.Rendering.Viewport.Meshes;
 using Silk.NET.OpenGL;
 
@@ -11,7 +12,7 @@ public static class MshViewportLoader
     private const int DefaultModelState = 0;
     private const int DefaultLod = 0;
 
-    public static MshViewportLoadResult LoadFromFile(GL gl, string path)
+    public static MshViewportLoadResult LoadFromFile(GL gl, string path, IConfigProvider configProvider)
     {
         try
         {
@@ -30,7 +31,7 @@ public static class MshViewportLoader
             }
 
             fs.Seek(0, SeekOrigin.Begin);
-            var pieces = LoadModelPieces(gl, fs, archive, path);
+            var pieces = LoadModelPieces(gl, fs, archive, path, configProvider);
             if (pieces.Count == 0)
                 return MshViewportLoadResult.Failure("MSH was parsed, but no renderable geometry pieces were found.", path);
 
@@ -42,7 +43,9 @@ public static class MshViewportLoader
         }
     }
 
-    private static List<ViewportPiece> LoadModelPieces(GL gl, FileStream fs, NResArchive archive, string path)
+    private static List<ViewportPiece> LoadModelPieces(
+        GL gl, FileStream fs, NResArchive archive, string path, IConfigProvider configProvider
+    )
     {
         var nodes = Msh0x01.ReadComponent(fs, archive);
         var geometry = Msh0x02.ReadComponent(fs, archive);
@@ -54,7 +57,7 @@ public static class MshViewportLoader
         var restPoses = MshRestPoseBuilder.BuildRestPose(nodes, animationDescriptors);
         var mshToViewportTransform = Matrix4x4.CreateRotationX(-MathF.PI * 0.5f);
         var names = TryReadNames(fs, archive);
-        var materialLibrary = WeaMaterialLibrary.TryLoadForMsh(gl, path);
+        var materialLibrary = WeaMaterialLibrary.TryLoadForMsh(gl, path, configProvider);
 
         var pieces = new List<ViewportPiece>();
 

NResUI/Rendering/Viewport/Msh/WeaMaterialLibrary.cs

@@ -1,5 +1,6 @@
 using MaterialLib;
 using NResLib;
+using NResUI.Abstractions;
 using NResUI.Rendering.Viewport.OpenGL;
 using Silk.NET.OpenGL;
 using TexmLib;
@@ -24,7 +25,7 @@ public sealed class WeaMaterialLibrary
             : null;
     }
 
-    public static WeaMaterialLibrary TryLoadForMsh(GL gl, string mshPath)
+    public static WeaMaterialLibrary TryLoadForMsh(GL gl, string mshPath, IConfigProvider configProvider)
     {
         var weaPath = FindMatchingWeaPath(mshPath);
         if (!File.Exists(weaPath))
@@ -34,9 +35,13 @@ public sealed class WeaMaterialLibrary
         if (materialRefs.Count == 0)
             return Empty;
 
-        // TODO: Hardcoded for now
-        var materialLibFs = "C:\\IronStrategy\\Material.lib";
+        var materialLibFs = Path.Combine(configProvider.GetConfig().GameBasePath, "Material.lib");
 
+        if (!File.Exists(materialLibFs))
+        {
+            return new WeaMaterialLibrary([]);
+        }
+        
         using var materialFs = new FileStream(materialLibFs, FileMode.Open, FileAccess.Read, FileShare.Read);
         var parseResult = NResParser.ReadFile(materialFs);
         if (parseResult.Archive == null)
@@ -46,7 +51,7 @@ public sealed class WeaMaterialLibrary
 
         foreach (var materialRef in materialRefs)
         {
-            var texture = TryLoadMaterialTexture(gl, materialFs, parseResult.Archive, materialRef.Name, out var texm);
+            var texture = TryLoadMaterialTexture(gl, materialFs, parseResult.Archive, materialRef.Name, configProvider, out var texm);
             result[materialRef.Id] = texture != null
                 ? new ViewportMaterial(materialRef.Name, texture.Value, texm)
                 : new ViewportMaterial(materialRef.Name);
@@ -194,7 +199,8 @@ public sealed class WeaMaterialLibrary
     }
 
     private static uint? TryLoadMaterialTexture(
-        GL gl, FileStream materialFs, NResArchive materialArchive, string materialName, out TexmFile? texm
+        GL gl, FileStream materialFs, NResArchive materialArchive, string materialName, IConfigProvider configProvider,
+        out TexmFile? texm
     )
     {
         texm = null;
@@ -212,7 +218,12 @@ public sealed class WeaMaterialLibrary
 
         var texture = materialFile.Stages[0].TextureName;
 
-        var textureLibFs = "C:\\IronStrategy\\Textures.lib";
+        var textureLibFs = Path.Combine(configProvider.GetConfig().GameBasePath, "Textures.lib");
+
+        if (!File.Exists(textureLibFs))
+        {
+            return null;
+        }
 
         using var textureFs = new FileStream(textureLibFs, FileMode.Open, FileAccess.Read, FileShare.Read);
         var textureResult = NResParser.ReadFile(textureFs);
@@ -269,27 +280,5 @@ public sealed class WeaMaterialLibrary
             Normalize(x.FileName) == normalized);
     }
 
-    private static string? FindTexturesLib(string? startDirectory)
-    {
-        if (string.IsNullOrWhiteSpace(startDirectory))
-            return null;
-
-        var directory = new DirectoryInfo(startDirectory);
-        while (directory != null)
-        {
-            var candidate = Path.Combine(directory.FullName, "Textures.lib");
-            if (Directory.Exists(candidate))
-                return candidate;
-
-            candidate = Path.Combine(directory.FullName, "textures.lib");
-            if (Directory.Exists(candidate))
-                return candidate;
-
-            directory = directory.Parent;
-        }
-
-        return null;
-    }
-
     private readonly record struct WeaMaterialRef(int Id, string Name);
 }