fix: Schedule removal of CS types from API

Dalamud.Test/Compliance/PublicApiTests.cs

@@ -0,0 +1,102 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Reflection;
+
+using Xunit;
+
+
+namespace Dalamud.Test.Compliance;
+
+public class PublicApiTests
+{
+    private static List<Type> IgnoredTypes { get; } =
+    [
+        typeof(Utility.CStringExtensions),
+    ];
+
+    private static List<Assembly> PermittedAssemblies { get; } =
+    [
+        typeof(object).Assembly,
+        typeof(Dalamud).Assembly,
+
+        // Imgui and friends
+        typeof(SharpDX.Color).Assembly,
+        typeof(Bindings.ImGui.ImGui).Assembly,
+        typeof(Bindings.ImGuizmo.ImGuizmo).Assembly,
+        typeof(Bindings.ImPlot.ImPlot).Assembly,
+
+        // exposed to plugins via API
+        typeof(Lumina.GameData).Assembly,
+        typeof(Lumina.Excel.Sheets.Action).Assembly,
+    ];
+
+    private static List<Type> PermittedTypes { get; } = [
+        // Used for IPluginLog, limited serilog exposure is OK.
+        typeof(Serilog.ILogger),
+        typeof(Serilog.Core.LoggingLevelSwitch),
+        typeof(Serilog.Events.LogEventLevel),
+    ];
+
+    [Fact]
+    public void NoRestrictedTypes()
+    {
+        foreach (var type in typeof(Dalamud).Assembly.GetTypes().Where(t => t.IsPublic).Except(IgnoredTypes))
+        {
+            if (type.GetCustomAttribute<ObsoleteAttribute>() != null) continue;
+
+            foreach (var m in type.GetMethods().Where(m => m.IsPublic && !m.IsSpecialName))
+            {
+                if (m.GetCustomAttribute<ObsoleteAttribute>() != null) continue;
+
+                if (!this.IsPermittedType(m.ReturnType))
+                {
+                    Assert.Fail($"Method {type.FullName}.{m.Name} returns unapproved type: {m.ReturnType.FullName}");
+                }
+
+                foreach (var param in m.GetParameters())
+                {
+                    if (!this.IsPermittedType(param.ParameterType))
+                    {
+                        Assert.Fail($"Method {type.FullName}.{m.Name} uses unapproved type: {param.ParameterType.FullName}");
+                    }
+                }
+            }
+
+            foreach (var p in type.GetProperties())
+            {
+                if (p.GetCustomAttribute<ObsoleteAttribute>() != null) continue;
+                if (p.GetMethod?.IsPrivate == true && p.SetMethod?.IsPrivate == true) continue;
+
+                if (!this.IsPermittedType(p.PropertyType))
+                {
+                    Assert.Fail(
+                        $"Property {type.FullName}.{p.Name} is unapproved type: {p.PropertyType.FullName}");
+                }
+            }
+
+            foreach (var f in type.GetFields().Where(f => f.IsPublic && !f.IsSpecialName))
+            {
+                if (f.GetCustomAttribute<ObsoleteAttribute>() != null) continue;
+
+                if (!this.IsPermittedType(f.FieldType))
+                {
+                    Assert.Fail(
+                        $"Field {type.FullName}.{f.Name} is unapproved type: {f.FieldType.FullName}");
+                }
+            }
+        }
+    }
+
+    private bool IsPermittedType(Type subject)
+    {
+        if (subject.IsGenericType && !subject.GetGenericArguments().All(this.IsPermittedType))
+        {
+            return false;
+        }
+
+        return subject.Namespace?.StartsWith("System") == true ||
+            PermittedTypes.Any(t => t == subject) ||
+            PermittedAssemblies.Any(a => a == subject.Assembly);
+    }
+}

Dalamud.Test/Dalamud.Test.csproj

@@ -43,14 +43,14 @@
 
     <ItemGroup>
         <PackageReference Include="Microsoft.NET.Test.Sdk" Version="16.10.0" />
-        <PackageReference Include="xunit" Version="2.4.1" />
+        <PackageReference Include="xunit" Version="2.4.2" />
         <PackageReference Include="xunit.abstractions" Version="2.0.3" />
-        <PackageReference Include="xunit.analyzers" Version="0.10.0" />
-        <PackageReference Include="xunit.assert" Version="2.4.1" />
-        <PackageReference Include="xunit.core" Version="2.4.1" />
-        <PackageReference Include="xunit.extensibility.core" Version="2.4.1" />
-        <PackageReference Include="xunit.extensibility.execution" Version="2.4.1" />
-        <PackageReference Include="xunit.runner.console" Version="2.4.1">
+        <PackageReference Include="xunit.analyzers" Version="1.0.0" />
+        <PackageReference Include="xunit.assert" Version="2.4.2" />
+        <PackageReference Include="xunit.core" Version="2.4.2" />
+        <PackageReference Include="xunit.extensibility.core" Version="2.4.2" />
+        <PackageReference Include="xunit.extensibility.execution" Version="2.4.2" />
+        <PackageReference Include="xunit.runner.console" Version="2.4.2">
             <PrivateAssets>all</PrivateAssets>
             <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
         </PackageReference>

Dalamud/Game/Addon/Lifecycle/AddonArgTypes/AddonRefreshArgs.cs

@@ -1,3 +1,5 @@
+using Dalamud.Utility;
+
 using FFXIVClientStructs.FFXIV.Component.GUI;
 
 namespace Dalamud.Game.Addon.Lifecycle.AddonArgTypes;
@@ -31,6 +33,8 @@ public AddonRefreshArgs()
     /// <summary>
     /// Gets the AtkValues in the form of a span.
     /// </summary>
+    [Api14ToDo(Api14ToDoAttribute.Remove)]
+    [Obsolete($"Exposed ClientStructs type; use {nameof(AtkValues)}/{nameof(AtkValueCount)} instead.", false)]
     public unsafe Span<AtkValue> AtkValueSpan => new(this.AtkValues.ToPointer(), (int)this.AtkValueCount);
 
     /// <inheritdoc cref="ICloneable.Clone"/>

Dalamud/Game/Addon/Lifecycle/AddonArgTypes/AddonSetupArgs.cs

@@ -1,3 +1,5 @@
+using Dalamud.Utility;
+
 using FFXIVClientStructs.FFXIV.Component.GUI;
 
 namespace Dalamud.Game.Addon.Lifecycle.AddonArgTypes;
@@ -31,6 +33,8 @@ public AddonSetupArgs()
     /// <summary>
     /// Gets the AtkValues in the form of a span.
     /// </summary>
+    [Api14ToDo(Api14ToDoAttribute.Remove)]
+    [Obsolete($"Exposed ClientStructs type; use {nameof(AtkValues)}/{nameof(AtkValueCount)} instead.", false)]
     public unsafe Span<AtkValue> AtkValueSpan => new(this.AtkValues.ToPointer(), (int)this.AtkValueCount);
 
     /// <inheritdoc cref="ICloneable.Clone"/>

Dalamud/Game/Addon/Lifecycle/AddonEvent.cs

@@ -12,11 +12,11 @@ public enum AddonEvent
     /// <summary>
     /// An event that is fired prior to an addon being setup with its implementation of
     /// <see cref="AtkUnitBase.OnSetup"/>. This event is useful for modifying the initial data contained within
-    /// <see cref="AddonSetupArgs.AtkValueSpan"/> prior to the addon being created.
+    /// <see cref="AddonSetupArgs.AtkValues"/> prior to the addon being created.
     /// </summary>
     /// <seealso cref="AddonSetupArgs"/>
     PreSetup,
-    
+
     /// <summary>
     /// An event that is fired after an addon has finished its initial setup. This event is particularly useful for
     /// developers seeking to add custom elements to now-initialized and populated node lists, as well as reading data
@@ -64,7 +64,7 @@ public enum AddonEvent
     /// </remarks>
     /// <seealso cref="AddonFinalizeArgs"/>
     PreFinalize,
-    
+
     /// <summary>
     /// An event that is fired before a call to <see cref="AtkUnitBase.OnRequestedUpdate"/> is made in response to a
     /// change in the subscribed <see cref="AddonRequestedUpdateArgs.NumberArrayData"/> or
@@ -81,13 +81,13 @@ public enum AddonEvent
     /// to the Free Company's overview.
     /// </example>
     PreRequestedUpdate,
-    
+
     /// <summary>
     /// An event that is fired after an addon has finished processing an <c>ArrayData</c> update.
     /// See <see cref="PreRequestedUpdate"/> for more information.
     /// </summary>
     PostRequestedUpdate,
-    
+
     /// <summary>
     /// An event that is fired before an addon calls its <see cref="AtkUnitManager.RefreshAddon"/> method. Refreshes are
     /// generally triggered in response to certain user interactions such as changing tabs, and are primarily used to
@@ -96,13 +96,13 @@ public enum AddonEvent
     /// <seealso cref="AddonRefreshArgs"/>
     /// <seealso cref="PostRefresh"/>
     PreRefresh,
-    
+
     /// <summary>
     /// An event that is fired after an addon has finished its refresh.
     /// See <see cref="PreRefresh"/> for more information.
     /// </summary>
     PostRefresh,
-    
+
     /// <summary>
     /// An event that is fired before an addon begins processing a user-driven event via
     /// <see cref="AtkEventListener.ReceiveEvent"/>, such as mousing over an element or clicking a button. This event
@@ -112,7 +112,7 @@ public enum AddonEvent
     /// <seealso cref="AddonReceiveEventArgs"/>
     /// <seealso cref="PostReceiveEvent"/>
     PreReceiveEvent,
-    
+
     /// <summary>
     /// An event that is fired after an addon finishes calling its <see cref="AtkEventListener.ReceiveEvent"/> method.
     /// See <see cref="PreReceiveEvent"/> for more information.

Dalamud/Game/ClientState/JobGauge/Types/SMNGauge.cs

@@ -1,4 +1,6 @@
 using Dalamud.Game.ClientState.JobGauge.Enums;
+using Dalamud.Utility;
+
 using FFXIVClientStructs.FFXIV.Client.Game.Gauge;
 
 namespace Dalamud.Game.ClientState.JobGauge.Types;
@@ -69,37 +71,39 @@ internal SMNGauge(IntPtr address)
     /// Gets the current aether flags.
     /// Use the summon accessors instead.
     /// </summary>
+    [Api14ToDo("Declare our own enum for this to avoid CS type.")]
+    [Obsolete("Use specific accessors instead until API14.")]
     public AetherFlags AetherFlags => this.Struct->AetherFlags;
 
     /// <summary>
     /// Gets a value indicating whether Bahamut is ready to be summoned.
     /// </summary>
     /// <returns><c>true</c> or <c>false</c>.</returns>
-    public bool IsBahamutReady => !this.AetherFlags.HasFlag(AetherFlags.PhoenixReady);
+    public bool IsBahamutReady => !this.Struct->AetherFlags.HasFlag(AetherFlags.PhoenixReady);
 
     /// <summary>
     /// Gets a value indicating whether if Phoenix is ready to be summoned.
     /// </summary>
     /// <returns><c>true</c> or <c>false</c>.</returns>
-    public bool IsPhoenixReady => this.AetherFlags.HasFlag(AetherFlags.PhoenixReady);
+    public bool IsPhoenixReady => this.Struct->AetherFlags.HasFlag(AetherFlags.PhoenixReady);
 
     /// <summary>
     /// Gets a value indicating whether if Ifrit is ready to be summoned.
     /// </summary>
     /// <returns><c>true</c> or <c>false</c>.</returns>
-    public bool IsIfritReady => this.AetherFlags.HasFlag(AetherFlags.IfritReady);
+    public bool IsIfritReady => this.Struct->AetherFlags.HasFlag(AetherFlags.IfritReady);
 
     /// <summary>
     /// Gets a value indicating whether if Titan is ready to be summoned.
     /// </summary>
     /// <returns><c>true</c> or <c>false</c>.</returns>
-    public bool IsTitanReady => this.AetherFlags.HasFlag(AetherFlags.TitanReady);
+    public bool IsTitanReady => this.Struct->AetherFlags.HasFlag(AetherFlags.TitanReady);
 
     /// <summary>
     /// Gets a value indicating whether if Garuda is ready to be summoned.
     /// </summary>
     /// <returns><c>true</c> or <c>false</c>.</returns>
-    public bool IsGarudaReady => this.AetherFlags.HasFlag(AetherFlags.GarudaReady);
+    public bool IsGarudaReady => this.Struct->AetherFlags.HasFlag(AetherFlags.GarudaReady);
 
     /// <summary>
     /// Gets a value indicating whether if Ifrit is currently attuned.
@@ -128,5 +132,5 @@ internal SMNGauge(IntPtr address)
     /// <summary>
     /// Gets the amount of Aetherflow available.
     /// </summary>
-    public byte AetherflowStacks => (byte)(this.AetherFlags & AetherFlags.Aetherflow);
+    public byte AetherflowStacks => (byte)(this.Struct->AetherFlags & AetherFlags.Aetherflow);
 }

Dalamud/Game/Gui/Dtr/DtrBarEntry.cs

@@ -143,7 +143,7 @@ public bool Shown
     }
 
     /// <inheritdoc/>
-    [Api13ToDo("Maybe make this config scoped to internal name?")]
+    [Api14ToDo("Maybe make this config scoped to internal name?")]
     public bool UserHidden => this.configuration.DtrIgnore?.Contains(this.Title) ?? false;
 
     /// <summary>

Dalamud/Interface/Animation/Easing.cs

@@ -48,7 +48,7 @@ protected Easing(TimeSpan duration)
     /// Gets the current value of the animation, following unclamped logic.
     /// </summary>
     [Obsolete($"This field has been deprecated. Use either {nameof(ValueClamped)} or {nameof(ValueUnclamped)} instead.", true)]
-    [Api13ToDo("Map this field to ValueClamped, probably.")]
+    [Api14ToDo("Map this field to ValueClamped, probably.")]
     public double Value => this.ValueUnclamped;
 
     /// <summary>

Dalamud/Interface/Components/ImGuiComponents.HelpMarker.cs

@@ -1,7 +1,11 @@
 using Dalamud.Bindings.ImGui;
 using Dalamud.Interface.Utility.Raii;
+using Dalamud.Utility;
+
 using FFXIVClientStructs.FFXIV.Common.Math;
 
+#pragma warning disable CS0618 // Type or member is obsolete. To be fixed with API14.
+
 namespace Dalamud.Interface.Components;
 
 /// <summary>
@@ -21,15 +25,47 @@ public static partial class ImGuiComponents
     /// <param name="helpText">The text to display on hover.</param>
     /// <param name="icon">The icon to use.</param>
     /// <param name="color">The color of the icon.</param>
-    public static void HelpMarker(string helpText, FontAwesomeIcon icon, Vector4? color = null)
+    public static void HelpMarker(string helpText, FontAwesomeIcon icon, System.Numerics.Vector4 color)
     {
         using var col = new ImRaii.Color();
+        col.Push(ImGuiCol.TextDisabled, color);
+
+        ImGui.SameLine();
+
+        using (ImRaii.PushFont(UiBuilder.IconFont))
+        {
+            ImGui.TextDisabled(icon.ToIconString());
+        }
+
+        if (ImGui.IsItemHovered())
+        {
+            using (ImRaii.Tooltip())
+            {
+                using (ImRaii.TextWrapPos(ImGui.GetFontSize() * 35.0f))
+                {
+                    ImGui.Text(helpText);
+                }
+            }
+        }
+    }
 
+    /// <summary>
+    /// HelpMarker component to add a custom icon with text on hover.
+    /// </summary>
+    /// <param name="helpText">The text to display on hover.</param>
+    /// <param name="icon">The icon to use.</param>
+    /// <param name="color">The color of the icon.</param>
+    [Api14ToDo(Api14ToDoAttribute.Remove)]
+    [Obsolete("CS type is deprecated. Use System.Numerics.Vector4 instead.")]
+    public static void HelpMarker(string helpText, FontAwesomeIcon icon, Vector4? color = null)
+    {
         if (color.HasValue)
         {
-            col.Push(ImGuiCol.TextDisabled, color.Value);
+            HelpMarker(helpText, icon, color.Value);
+            return;
         }
 
+        // FIXME: Code duplication is easier than splitting up the Nullable in a way that doesn't break the API.
         ImGui.SameLine();
 
         using (ImRaii.PushFont(UiBuilder.IconFont))

Dalamud/Memory/MemoryHelper.cs

@@ -382,6 +382,8 @@ public static SeString ReadSeString(nint memoryAddress, int maxLength) =>
     /// <param name="utf8String">The memory address to read from.</param>
     /// <returns>The read in string.</returns>
     [MethodImpl(MethodImplOptions.AggressiveInlining)]
+    [Obsolete("CS types in Dalamud are deprecated.")]
+    [Api14ToDo(Api14ToDoAttribute.Remove)]
     public static SeString ReadSeString(Utf8String* utf8String) =>
         utf8String == null ? string.Empty : SeString.Parse(utf8String->AsSpan());
 
@@ -613,6 +615,8 @@ public static void ReadSeString(nint memoryAddress, int maxLength, out SeString
     /// <param name="utf8String">The memory address to read from.</param>
     /// <param name="value">The read in string.</param>
     [MethodImpl(MethodImplOptions.AggressiveInlining)]
+    [Obsolete("CS types in Dalamud are deprecated.")]
+    [Api14ToDo(Api14ToDoAttribute.Remove)]
     public static unsafe void ReadSeString(Utf8String* utf8String, out SeString value)
         => value = ReadSeString(utf8String);