Settings / SettingsWindow

GlitchyEngine/BeefProj.toml

@@ -1,5 +1,5 @@
 FileVersion = 1
-Dependencies = {GlitchLog = "*", corlib = "*", DirectX = "*", DirectXTK = "*", FreeType = "*", cgltf-beef = "*", msdfgen-beef = "*", ImGui = "*", ImGuiImplDX11 = "*", ImGuiImplWin32 = "*", ImGuizmo = "*", Beefy2D = "*", LodePng = "*", GlitchyEngineHelper = "*"}
+Dependencies = {GlitchLog = "*", corlib = "*", DirectX = "*", DirectXTK = "*", FreeType = "*", cgltf-beef = "*", msdfgen-beef = "*", ImGui = "*", ImGuiImplDX11 = "*", ImGuiImplWin32 = "*", ImGuizmo = "*", Beefy2D = "*", LodePng = "*", GlitchyEngineHelper = "*", bon = "*"}
 
 [Project]
 Name = "GlitchyEngine"

GlitchyEngine/src/Application.bf

@@ -40,6 +40,8 @@ namespace GlitchyEngine
 		[Inline]
 		public static Application Get() => s_Instance;
 
+		public Settings Settings {get; private set;} = new .() ~ delete _;
+
 		public this()
 		{
 			Profiler.ProfileFunction!();
@@ -70,6 +72,9 @@ namespace GlitchyEngine
 			_imGuiLayer = new ImGuiLayer();
 			PushOverlay(_imGuiLayer);
 #endif
+
+			GlitchyEngine.Settings.Load();
+			Settings.Apply();
 		}
 
 		public ~this()

GlitchyEngine/src/Content/ContentManager.bf

@@ -25,6 +25,8 @@ namespace GlitchyEngine.Content
 
 	interface IContentManager
 	{
+		void GetFilePath(String outFilename, String filename);
+
 		Stream GetFile(String filename);
 	}
 
@@ -41,10 +43,15 @@ namespace GlitchyEngine.Content
 			Runtime.Assert(Directory.Exists(contentRoot), "Content root directory doesn't exist.");
 		}
 
+		public void GetFilePath(String outFilename, String filename)
+		{
+			Path.InternalCombine(outFilename, _contentRoot, filename);
+		}
+
 		public Stream GetFile(String filename)
 		{
 			String fullpath = scope .(_contentRoot.Length + 1 + filename.Length);
-			Path.InternalCombine(fullpath, _contentRoot, filename);
+			GetFilePath(fullpath, filename);
 
 			FileStream stream = new FileStream();
 			var result = stream.Open(fullpath, .Read, .Read);

GlitchyEngine/src/Extension/System/Runtime.bf

@@ -0,0 +1,13 @@
+namespace System
+{
+	extension Runtime
+	{
+		[NoReturn, Warn("The method is not implemented.")]
+#unwarn
+		public static void NotImplemented(String filePath = Compiler.CallerFilePath, int line = Compiler.CallerLineNum)
+		{
+			String failStr = scope .()..AppendF("Not Implemented at line {} in {}", line, filePath);
+			Internal.FatalError(failStr, 1);
+		}
+	}
+}

GlitchyEngine/src/ImGui/ImGuiLayer.bf

@@ -2,13 +2,14 @@ using System;
 using ImGui;
 using GlitchyEngine.Events;
 using ImGuizmo;
+using GlitchyEngine.Renderer;
+using System.IO;
 
 using internal ImGui;
 
 #if GE_GRAPHICS_DX11
 
 using GlitchyEngine.Platform.DX11;
-using GlitchyEngine.Renderer;
 using internal GlitchyEngine.Platform.DX11;
 
 #endif
@@ -19,6 +20,8 @@ namespace GlitchyEngine.ImGui
 	{
 		ImGui.IO* _io;
 
+		public bool SettingsInvalid;
+
 		public this() : base("ImGuiLayer") {  }
 
 		public override void OnAttach()
@@ -87,6 +90,30 @@ namespace GlitchyEngine.ImGui
 		{
 			Debug.Profiler.ProfileFunction!();
 
+			if (SettingsInvalid)
+			{
+				var settings = Application.Get().Settings.ImGuiSettings;
+				
+				ImGui.GetIO().Fonts.Clear();
+
+				String fullpath = scope String();
+				Application.Get().ContentManager.GetFilePath(fullpath, settings.FontName);
+				if (File.Exists(fullpath))
+				{
+					ImGui.GetIO().Fonts.AddFontFromFileTTF(fullpath, settings.FontSize);
+				}
+				else
+				{
+					ImGui.GetIO().Fonts.AddFontDefault();
+				}
+
+#if GE_GRAPHICS_DX11
+				ImGuiImplDX11.CreateDeviceObjects();
+#endif
+
+				SettingsInvalid = false;
+			}
+
 			Begin();
 
 			{

GlitchyEngine/src/Settings.bf

@@ -0,0 +1,121 @@
+using System;
+using ImGui;
+using System.Collections;
+using System.IO;
+using Bon;
+
+namespace GlitchyEngine
+{
+	interface ISettings
+	{
+		void Apply();
+	}
+
+	/// Fields with this Attribute will be scanned for Settings.
+	[AttributeUsage(.Field, .ReflectAttribute)]
+	struct SettingContainerAttribute : Attribute
+	{
+	}
+
+	/// Fields with this Attribute will be exposed as settings.
+	[AttributeUsage(.Field, .ReflectAttribute)]
+	struct SettingAttribute : Attribute
+	{
+		public String Category;
+		public String Name;
+
+		public this(String category, String name)
+		{
+			Category = category;
+			Name = name;
+		}
+	}
+
+	[Reflect, BonTarget]
+	class Settings
+	{
+#if IMGUI
+		[SettingContainer, BonInclude]
+		public readonly ImGuiSettings ImGuiSettings = new .() ~ delete _;
+#endif
+
+		/*
+		[BonInclude]
+		private List<ISettings> _userSettings ~ ClearAndDeleteItems!(_);
+		*/
+
+		[AllowAppend]
+		public this()
+		{
+			/*List<ISettings> userSettings = append .();
+			_userSettings = userSettings;*/
+		}
+
+		public void Apply()
+		{
+#if IMGUI
+			ImGuiSettings.Apply();
+#endif
+
+			/*for (let settings in _userSettings)
+			{
+				settings.Apply();
+			}*/
+		}
+
+		public static void Load()
+		{
+			Settings settings = Application.Get().Settings;
+
+			var result = Bon.DeserializeFromFile(ref settings, "./settings.bon");
+
+			if (result case .Err)
+				Log.EngineLogger.Error("Failed to deserialze settings.");
+
+			Application.Get().Settings.Apply();
+		}
+
+		public void Save()
+		{
+			gBonEnv.serializeFlags |= .Verbose;
+			Bon.SerializeIntoFile(this, "./settings.bon");
+		}
+
+		/*
+		/// Registers a instance of a settings interface. Note: Takes ownership of the instance.
+		public void RegisterUserSettings(ISettings settings)
+		{
+			_userSettings.Add(settings);
+		}
+
+		public T GetUserSettings<T>() where T : ISettings, class
+		{
+			for (let v in _userSettings)
+			{
+				if (v is T)
+				{
+					return (T)v;
+				}
+			}
+
+			return null;
+		}*/
+	}
+
+#if IMGUI
+	[Reflect]
+	class ImGuiSettings
+	{
+		[Setting("UI", "Font Size"), BonInclude]
+		public int32 FontSize = 16;
+
+		[Setting("UI", "Font name"), BonInclude]
+		public readonly String FontName = new .("Fonts/CascadiaCode.ttf") ~ delete _;
+
+		public void Apply()
+		{
+			Application.Get().[Friend]_imGuiLayer.SettingsInvalid = true;
+		}
+	}
+#endif
+}