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Enhance path hop resolution by adding distance checks to improve candidate selection accuracy

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This commit is contained in:
Winston Lowe
2026-03-26 21:37:50 -07:00
parent 888cf43fef
commit c76796cdc3
1 changed files with 13 additions and 2 deletions
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lib/screens/channel_message_path_screen.dart
+13 -2
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@@ -840,7 +840,8 @@ List<_PathHop> _buildPathHops(
: null; : null;
var previousPosition = startPoint; var previousPosition = startPoint;
final distance = Distance(); final distance = Distance();
var lastDistance = 0.0;
var bestDistance = 0.0;
final hops = <_PathHop>[]; final hops = <_PathHop>[];
for (var i = 0; i < pathBytes.length; i++) { for (var i = 0; i < pathBytes.length; i++) {
final searchPoint = i == 0 ? startPoint : previousPosition; final searchPoint = i == 0 ? startPoint : previousPosition;
@@ -849,7 +850,7 @@ List<_PathHop> _buildPathHops(
if (candidates != null && candidates.isNotEmpty) { if (candidates != null && candidates.isNotEmpty) {
var bestIndex = 0; var bestIndex = 0;
if (searchPoint != null) { if (searchPoint != null) {
var bestDistance = double.infinity; bestDistance = double.infinity;
for (var j = 0; j < candidates.length; j++) { for (var j = 0; j < candidates.length; j++) {
final candidate = candidates[j]; final candidate = candidates[j];
if (!candidate.hasLocation || if (!candidate.hasLocation ||
@@ -877,6 +878,16 @@ List<_PathHop> _buildPathHops(
if (resolvedPosition != null) { if (resolvedPosition != null) {
previousPosition = resolvedPosition; previousPosition = resolvedPosition;
} }
// If the best candidate is much farther than the previous hop, it's likely not the correct match.
if (lastDistance + bestDistance > 70000 &&
candidates != null &&
candidates.isNotEmpty) {
i--;
lastDistance = bestDistance;
continue;
}
lastDistance = bestDistance;
hops.add( hops.add(
_PathHop( _PathHop(
index: i + 1, index: i + 1,