기록 재생 중 자동 갱신 리셋 방지

js/main.js

@@ -1964,14 +1964,20 @@ function startHistoryPlayback(speed) {
 
     let tick = 0;
     mapState.playbackTimer = setInterval(() => {
-        const index = Math.min(mapState.playbackIndex || 0, points.length - 1);
-        const point = points[index];
+        const currentPoints = mapState.historyPoints || [];
+        if (!currentPoints.length) {
+            stopHistoryPlayback();
+            return;
+        }
+
+        const index = Math.min(mapState.playbackIndex || 0, currentPoints.length - 1);
+        const point = currentPoints[index];
         moveSelectedHistoryPoint(index, false);
         if (tick % 8 === 0) mapState.map.panTo(point.latlng);
 
         const nextIndex = index + speed;
-        if (nextIndex >= points.length) {
-            moveSelectedHistoryPoint(points.length - 1, false);
+        if (nextIndex >= currentPoints.length) {
+            moveSelectedHistoryPoint(currentPoints.length - 1, false);
             stopHistoryPlayback();
             return;
         }
@@ -2272,9 +2278,13 @@ function applyHistoryCounts(data) {
 
 function renderHistoryPoints(rawPoints) {
     if (!mapState.map || !rawPoints?.length) return;
+    const keepPlaybackIndex = !!mapState.playbackTimer;
+    const previousPlaybackIndex = Number.isFinite(mapState.playbackIndex) ? mapState.playbackIndex : 0;
     const points = filterHistoryOutliers(rawPoints);
     mapState.historyPoints = points;
-    mapState.playbackIndex = 0;
+    mapState.playbackIndex = keepPlaybackIndex
+        ? Math.max(0, Math.min(points.length - 1, previousPlaybackIndex))
+        : 0;
     drawSpeedTrack(points);
     mapState.stayPoints = buildStayPoints(points);
     mapState.homeStats = buildHomeStats(points);
@@ -2360,7 +2370,7 @@ function renderHistoryPoints(rawPoints) {
         mapState.historyBoundsFitted = true;
     }
 
-    if (!_overrideRange && !mapState.initialInfoOpened && mapState.historyEndMarker?.infoWindow) {
+    if (!_overrideRange && !keepPlaybackIndex && !mapState.initialInfoOpened && mapState.historyEndMarker?.infoWindow) {
         mapState.historyEndMarker.infoWindow.open(mapState.map, mapState.historyEndMarker);
         mapState.openInfoWindow = mapState.historyEndMarker.infoWindow;
         mapState.initialInfoOpened = true;