From bf25292bf8af5d35db43daffe079659a3c8814b4 Mon Sep 17 00:00:00 2001
From: atsunatsu <1017079775@qq.com>
Date: Sat, 8 Aug 2026 20:10:55 +0800
Subject: [PATCH] Fixed recalculating Radar track on station position change
 (#235)

Co-authored-by: atsunatsu <atsunatsu@users.noreply.github.com>
Co-authored-by: wty2019wty <74123961+wty2019wty@users.noreply.github.com>
---
 .gitignore                                    |  1 +
 .../src/main/res/values-zh/strings.xml        | 12 +++++-----
 .../look4sat/feature/radar/RadarViewModel.kt  | 22 +++++++++++++++++--
 3 files changed, 28 insertions(+), 7 deletions(-)

diff --git a/.gitignore b/.gitignore
index d4338562..3034a19c 100644
--- a/.gitignore
+++ b/.gitignore
@@ -64,3 +64,4 @@ fastlane/readme.md
 /app/release/output-metadata.json
 /app/release/
 /.kotlin/sessions/
+.hermes/
diff --git a/core/presentation/src/main/res/values-zh/strings.xml b/core/presentation/src/main/res/values-zh/strings.xml
index 42507759..024915d0 100644
--- a/core/presentation/src/main/res/values-zh/strings.xml
+++ b/core/presentation/src/main/res/values-zh/strings.xml
@@ -87,7 +87,7 @@
     <string name="prefs_updated_title">更新：%s</string>
     <string name="prefs_updated_time">yyyy MMM d - HH:mm:ss</string>
 
-    <string name="prefs_loc_title">站位</string>
+    <string name="prefs_loc_title">站点位置</string>
     <string name="prefs_loc_gps_title">GPS 定位</string>
     <string name="prefs_loc_gps_error">检查您的位置权限</string>
     <string name="prefs_loc_input_title">输入位置</string>
@@ -95,11 +95,11 @@
     <string name="prefs_loc_qth_title">QTH 网格</string>
     <string name="prefs_loc_qth_error">无效的 QTH 网格</string>
     <string name="prefs_loc_success">位置更新成功</string>
-    <string name="prefs_station_title">站位</string>
-    <string name="prefs_station_lat_text">站位纬度</string>
-    <string name="prefs_station_lon_text">站位经度</string>
+    <string name="prefs_station_title">站点位置</string>
+    <string name="prefs_station_lat_text">站点纬度</string>
+    <string name="prefs_station_lon_text">站点经度</string>
     <string name="prefs_locator_title">QTH 定位</string>
-    <string name="prefs_locator_text">通过 QTH 设置站位</string>
+    <string name="prefs_locator_text">通过 QTH 设置站点位置</string>
 
     <string name="prefs_data_title">卫星数据更新</string>
     <string name="prefs_data_entries">卫星：%s</string>
@@ -155,6 +155,8 @@
     <string name="prefs_other_switch_sweep">雷达扫描动画</string>
     <string name="prefs_other_switch_sensors">传感器控制雷达</string>
     <string name="prefs_other_switch_night_mode">红色夜间模式</string>
+    <string name="prefs_other_compass_offset">雷达罗盘水平偏移量</string>
+    <string name="prefs_other_compass_offset_elev">雷达罗盘俯仰偏移量</string>
 
     <string name="prefs_highlight_title">仰角高亮</string>
     <string name="prefs_highlight_low">低 &lt; %1$d°</string>
diff --git a/feature/radar/src/main/java/com/rtbishop/look4sat/feature/radar/RadarViewModel.kt b/feature/radar/src/main/java/com/rtbishop/look4sat/feature/radar/RadarViewModel.kt
index be89d4b6..6ddd57d2 100644
--- a/feature/radar/src/main/java/com/rtbishop/look4sat/feature/radar/RadarViewModel.kt
+++ b/feature/radar/src/main/java/com/rtbishop/look4sat/feature/radar/RadarViewModel.kt
@@ -65,8 +65,8 @@ class RadarViewModel(
     private val showToast: IShowToast
 ) : ViewModel() {
 
-    private val stationPos = settingsRepo.stationPosition.value
-    private val magDeclination = sensorsRepo.getMagDeclination(stationPos)
+    private var stationPos = settingsRepo.stationPosition.value
+    private var magDeclination = sensorsRepo.getMagDeclination(stationPos)
     private var compassOffset = settingsRepo.otherSettings.value.radarCompassOffset
     private var compassOffsetElev = settingsRepo.otherSettings.value.radarCompassOffsetElev
     private var transponders: List<SatRadio> = emptyList()
@@ -92,6 +92,7 @@ class RadarViewModel(
 
     init {
         collectSettingsChanges()  // also handles initial sensor subscription
+        collectStationPositionChanges()
         collectPassAndStartTickLoop()
         collectRadioTrackingState()
     }
@@ -138,6 +139,23 @@ class RadarViewModel(
         }
     }
 
+    private fun collectStationPositionChanges() {
+        viewModelScope.launch {
+            settingsRepo.stationPosition.collect { newPos ->
+                if (stationPos != newPos) {
+                    stationPos = newPos
+                    magDeclination = sensorsRepo.getMagDeclination(stationPos)
+                    lastCelestialUpdateMs = 0L // force celestial recompute on next tick
+                    val pass = _uiState.value.currentPass ?: return@collect
+                    if (!pass.isDeepSpace) {
+                        val track = satelliteRepo.getTrack(pass.orbitalObject, stationPos, pass.aosTime, pass.losTime)
+                        _uiState.update { it.copy(satTrack = track) }
+                    }
+                }
+            }
+        }
+    }
+
     // --- Pass loading split into focused functions ---
 
     private fun collectPassAndStartTickLoop() {