v1.0.0.14: Movement Trail (Carbonite-style) - red dots show where you've been

Made-with: Cursor
2026-03-01 00:57:18 -05:00
parent 542da3a71b
commit b4638eb60b
12 changed files with 195 additions and 2 deletions
@@ -0,0 +1,41 @@
+using System;
+using System.Linq;
+using System.Numerics;
+using Dalamud.Bindings.ImGui;
+using Dalamud.Interface;
+using FFXIVClientStructs.FFXIV.Client.UI.Agent;
+using Mappy.Classes;
+using Mappy.Data;
+
+namespace Mappy.MapRenderer;
+
+public partial class MapRenderer
+{
+    private unsafe void DrawMovementTrail()
+    {
+        if (!System.SystemConfig.ShowMovementTrail) return;
+
+        var agent = AgentMap.Instance();
+        var territoryId = agent->SelectedTerritoryId;
+        var mapId = agent->SelectedMapId;
+
+        var now = DateTime.UtcNow.Subtract(DateTime.UnixEpoch).TotalSeconds;
+        var fadeTime = System.SystemConfig.MovementTrailFadeTimeSeconds;
+
+        foreach (var pt in System.MovementTrailConfig.GetVisiblePoints(territoryId, mapId).ToList()) {
+            var age = now - pt.TimeStamp;
+            var alpha = (float)((fadeTime - age) / fadeTime * 0.9);
+            if (alpha <= 0f) continue;
+
+            // Same coordinate space as map notes: world X,Z
+            var pos = new Vector2(pt.X, pt.Y) * Scale * DrawHelpers.GetMapScaleFactor() + DrawHelpers.GetCombinedOffsetVector() * Scale;
+
+            var size = Math.Clamp(4 * Scale, 3f, 25f);
+            var screenPos = ImGui.GetWindowPos() + DrawPosition + pos;
+
+            var color = System.MovementTrailConfig.TrailColor with { W = alpha };
+            var drawList = ImGui.GetWindowDrawList();
+            drawList.AddCircleFilled(screenPos, size, ImGui.GetColorU32(color));
+        }
+    }
+}