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

Made-with: Cursor

Mappy/MapRenderer/MapRenderer.Core.cs

@@ -377,6 +377,7 @@ public unsafe partial class MapRenderer : IDisposable
         DrawPlayer();
         DrawStaticTextMarkers();
         DrawMapNotes();
+        DrawMovementTrail();
         DrawFlag();
     }
 }

Mappy/MapRenderer/MapRenderer.MinimapMarkers.cs

@@ -62,6 +62,8 @@ public partial class MapRenderer
         DrawMinimapFlag(contentTopLeft, TexToContent, scaleFactor, offsetX, offsetY);
         // User map notes
         DrawMinimapMapNotes(contentTopLeft, TexToContent, size, scaleFactor, offsetX, offsetY);
+        // Movement trail
+        DrawMinimapMovementTrail(contentTopLeft, TexToContent, size, scaleFactor, offsetX, offsetY);
         // Temporary (quest objectives, etc.)
         DrawMinimapTempMarkers(contentTopLeft, TexToContent, size, scaleFactor, offsetX, offsetY, scale);
         // Field markers (waymarks)
@@ -729,6 +731,33 @@ public partial class MapRenderer
         }
     }
 
+    private unsafe void DrawMinimapMovementTrail(Vector2 contentTopLeft, Func<float, float, Vector2> texToContent, Vector2 size, float scaleFactor, float offsetX, float offsetY)
+    {
+        if (!System.SystemConfig.ShowMovementTrail) return;
+
+        var agent = AgentMap.Instance();
+        var territoryId = agent->CurrentTerritoryId;
+        var mapId = agent->CurrentMapId;
+        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;
+
+            var tx = 1024.0f + (pt.X - offsetX) * scaleFactor;
+            var ty = 1024.0f + (pt.Y - offsetY) * scaleFactor;
+            var contentPos = texToContent(tx, ty);
+            if (!IsInMinimapBounds(contentPos, size, MinimapBoundsMargin)) continue;
+
+            var centerScreen = contentPos + contentTopLeft;
+            var trailSize = 4f * 0.75f;
+            var color = System.MovementTrailConfig.TrailColor with { W = alpha };
+            ImGui.GetWindowDrawList().AddCircleFilled(centerScreen, trailSize, ImGui.GetColorU32(color));
+        }
+    }
+
     private unsafe void DrawMinimapMapNotes(Vector2 contentTopLeft, Func<float, float, Vector2> texToContent, Vector2 size, float scaleFactor, float offsetX, float offsetY)
     {
         var agent = AgentMap.Instance();

Mappy/MapRenderer/MapRenderer.MovementTrail.cs

@@ -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));
+        }
+    }
+}