various 'improvements'

LightlessSync/Services/Rendering/PctDrawListExtensions.cs

@@ -0,0 +1,82 @@
+using System.Numerics;
+using System.Reflection;
+using Dalamud.Bindings.ImGui;
+using Pictomancy;
+
+namespace LightlessSync.Services.Rendering;
+
+internal static class PctDrawListExtensions
+{
+    private static readonly FieldInfo? DrawListField = typeof(PctDrawList).GetField("_drawList", BindingFlags.Instance | BindingFlags.NonPublic);
+
+    private static bool TryGetImDrawList(PctDrawList drawList, out ImDrawListPtr ptr)
+    {
+        ptr = default;
+        if (DrawListField == null)
+            return false;
+
+        if (DrawListField.GetValue(drawList) is ImDrawListPtr list)
+        {
+            ptr = list;
+            return true;
+        }
+
+        return false;
+    }
+
+    public static void AddScreenText(this PctDrawList drawList, Vector2 screenPosition, string text, uint color, float fontSize, Vector2? pivot = null, uint? outlineColor = null, ImFontPtr fontOverride = default)
+    {
+        if (drawList == null || string.IsNullOrEmpty(text))
+            return;
+
+        if (!TryGetImDrawList(drawList, out var imDrawList))
+            return;
+
+        var font = fontOverride.IsNull ? ImGui.GetFont() : fontOverride;
+        if (font.IsNull)
+            return;
+
+        var size = MathF.Max(1f, fontSize);
+        var pivotValue = pivot ?? new Vector2(0.5f, 0.5f);
+
+        Vector2 measured;
+        float calcFontSize;
+        if (!fontOverride.IsNull)
+        {
+            ImGui.PushFont(font);
+            measured = ImGui.CalcTextSize(text);
+            calcFontSize = ImGui.GetFontSize();
+            ImGui.PopFont();
+        }
+        else
+        {
+            measured = ImGui.CalcTextSize(text);
+            calcFontSize = ImGui.GetFontSize();
+        }
+
+        if (calcFontSize > 0f && MathF.Abs(size - calcFontSize) > 0.001f)
+        {
+            measured *= size / calcFontSize;
+        }
+
+        var drawPos = screenPosition - measured * pivotValue;
+        if (outlineColor.HasValue)
+        {
+            var thickness = MathF.Max(1f, size / 24f);
+            Span<Vector2> offsets = stackalloc Vector2[4]
+            {
+                new Vector2(1f, 0f),
+                new Vector2(-1f, 0f),
+                new Vector2(0f, 1f),
+                new Vector2(0f, -1f)
+            };
+
+            foreach (var offset in offsets)
+            {
+                imDrawList.AddText(font, size, drawPos + offset * thickness, outlineColor.Value, text);
+            }
+        }
+
+        imDrawList.AddText(font, size, drawPos, color, text);
+    }
+}

LightlessSync/Services/Rendering/PictomancyService.cs

@@ -0,0 +1,47 @@
+using Dalamud.Plugin;
+using Microsoft.Extensions.Logging;
+using Pictomancy;
+
+namespace LightlessSync.Services.Rendering;
+
+public sealed class PictomancyService : IDisposable
+{
+    private readonly ILogger<PictomancyService> _logger;
+    private bool _initialized;
+
+    public PictomancyService(ILogger<PictomancyService> logger, IDalamudPluginInterface pluginInterface)
+    {
+        _logger = logger;
+
+        try
+        {
+            PictoService.Initialize(pluginInterface);
+            _initialized = true;
+            if (_logger.IsEnabled(LogLevel.Debug))
+                _logger.LogDebug("Pictomancy initialized");
+        }
+        catch (Exception ex)
+        {
+            _logger.LogError(ex, "Failed to initialize Pictomancy");
+        }
+    }
+
+    public void Dispose()
+    {
+        if (!_initialized)
+            return;
+
+        try
+        {
+            PictoService.Dispose();
+        }
+        catch (Exception ex)
+        {
+            _logger.LogError(ex, "Failed to dispose Pictomancy");
+        }
+        finally
+        {
+            _initialized = false;
+        }
+    }
+}