From a3001e36e48d4490e75d6f96e12c896829ea6fb4 Mon Sep 17 00:00:00 2001
From: Boki <boki@stare.gg>
Date: Sun, 15 Feb 2026 11:22:20 -0500
Subject: [PATCH] faster minimap load

---
 src/Poe2Trade.Navigation/MinimapCapture.cs |  2 +-
 src/Poe2Trade.Navigation/WorldMap.cs       | 23 ++++++++++++++--------
 2 files changed, 16 insertions(+), 9 deletions(-)

diff --git a/src/Poe2Trade.Navigation/MinimapCapture.cs b/src/Poe2Trade.Navigation/MinimapCapture.cs
index 82c216c..97ec652 100644
--- a/src/Poe2Trade.Navigation/MinimapCapture.cs
+++ b/src/Poe2Trade.Navigation/MinimapCapture.cs
@@ -10,7 +10,7 @@ public class MinimapCapture : IFrameConsumer, IDisposable
     private readonly MinimapConfig _config;
     private readonly WallColorTracker _colorTracker;
     private readonly IScreenCapture _backend; // kept for debug capture paths
-    private int _modeCheckCounter;
+    private int _modeCheckCounter = 9; // trigger mode detection on first frame
     private MinimapMode _detectedMode = MinimapMode.Overlay;
     private MinimapFrame? _lastFrame;
 
diff --git a/src/Poe2Trade.Navigation/WorldMap.cs b/src/Poe2Trade.Navigation/WorldMap.cs
index 5d21465..7d9018f 100644
--- a/src/Poe2Trade.Navigation/WorldMap.cs
+++ b/src/Poe2Trade.Navigation/WorldMap.cs
@@ -42,11 +42,14 @@ public class WorldMap : IDisposable
             _frameCount, mode, wallMask.Width, wallMask.Height,
             _position.X, _position.Y, needsBootstrap, _prevWallMask != null);
 
+        var wallCountBefore = Cv2.CountNonZero(wallMask);
+
         // Block-based noise filter: only needed for overlay (game effects bleed through)
-        if (!isCorner)
+        // Skip during warmup — we need walls to seed the canvas, confidence handles noise
+        if (!isCorner && !needsBootstrap)
         {
             var cleanFraction = FilterNoisyBlocks(wallMask, classifiedMat);
-            if (cleanFraction < 0.25 && !needsBootstrap)
+            if (cleanFraction < 0.25)
             {
                 Log.Information("Noise filter: {Clean:P0} clean, skipping ({Ms:F1}ms)",
                     cleanFraction, sw.Elapsed.TotalMilliseconds);
@@ -54,8 +57,10 @@ public class WorldMap : IDisposable
             }
         }
 
-        // Frame deduplication: skip if minimap hasn't scrolled yet
-        if (_prevWallMask != null && _frameCount > 1)
+        var wallCountAfter = Cv2.CountNonZero(wallMask);
+
+        // Frame deduplication: skip if minimap hasn't scrolled yet (but always allow warmup through)
+        if (!needsBootstrap && _prevWallMask != null && _frameCount > 1)
         {
             using var xor = new Mat();
             Cv2.BitwiseXor(wallMask, _prevWallMask, xor);
@@ -86,8 +91,9 @@ public class WorldMap : IDisposable
             }
             else
             {
-                Log.Information("Warmup frame {N}/{Total}: stitch={Ms:F1}ms",
-                    _frameCount, _config.WarmupFrames, sw.Elapsed.TotalMilliseconds);
+                Log.Information("Warmup frame {N}/{Total}: walls={WallsBefore}→{WallsAfter}(filtered) frameSize={FS} stitch={Ms:F1}ms",
+                    _frameCount, _config.WarmupFrames, wallCountBefore, wallCountAfter,
+                    wallMask.Width, sw.Elapsed.TotalMilliseconds);
             }
             return _position;
         }
@@ -529,8 +535,9 @@ public class WorldMap : IDisposable
             _prevWallMask != null ? $"{_prevWallMask.Width}x{_prevWallMask.Height}" : "null");
         _prevWallMask?.Dispose();
         _prevWallMask = null;
-        // Don't reset _frameCount or _consecutiveMatchFails —
-        // template matching continues seamlessly with the new frame size
+        // Force one re-bootstrap stitch so the new mode seeds walls on the canvas.
+        // This triggers needsBootstrap=true (>= 30), skips dedup, stitches boosted.
+        _consecutiveMatchFails = 30;
     }
 
     public void Dispose()