v2.0: Full localization (6 languages), first-run language screen, aircraft detail overhaul, aircraft-model API fallback, and multiple bugfixes

src/location_presets.cpp

@@ -0,0 +1,117 @@
+#include "location_presets.h"
+#include "config.h"
+#include "sd_mutex.h"
+#include "sd_storage.h"
+#include <SD.h>
+
+namespace LocationPresets {
+
+namespace {
+    constexpr const char* PRESETS_FILE = "/Flightradar_cyd/locations.txt";
+
+    struct Preset {
+        double lat = 0;
+        double lon = 0;
+    };
+
+    Preset presets[MAX_PRESETS];
+    uint8_t presetCount = 0;
+    int8_t activeIdx = -1;
+
+    void saveToSd() {
+        if (!SdStorage::isMounted()) return;
+        SdMutex::Guard guard;
+
+        File f = SD.open(PRESETS_FILE, FILE_WRITE);
+        if (!f) return;
+        f.printf("active=%d\n", (int)activeIdx);
+        for (uint8_t i = 0; i < presetCount; i++) {
+            f.printf("%.6f,%.6f\n", presets[i].lat, presets[i].lon);
+        }
+        f.close();
+    }
+
+    void loadFromSd() {
+        presetCount = 0;
+        activeIdx = -1;
+        if (!SdStorage::isMounted()) return;
+        SdMutex::Guard guard;
+
+        if (!SD.exists(PRESETS_FILE)) return;
+        File f = SD.open(PRESETS_FILE, FILE_READ);
+        if (!f) return;
+
+        bool firstLine = true;
+        while (f.available()) {
+            String line = f.readStringUntil('\n');
+            line.trim();
+            if (line.length() == 0) continue;
+
+            if (firstLine) {
+                firstLine = false;
+                if (line.startsWith("active=")) {
+                    activeIdx = (int8_t)line.substring(7).toInt();
+                    continue;
+                }
+            }
+
+            int comma = line.indexOf(',');
+            if (comma < 0) continue;
+            if (presetCount >= MAX_PRESETS) break;
+
+            presets[presetCount].lat = line.substring(0, comma).toDouble();
+            presets[presetCount].lon = line.substring(comma + 1).toDouble();
+            presetCount++;
+        }
+        f.close();
+
+        if (activeIdx >= (int8_t)presetCount) activeIdx = -1;
+    }
+}
+
+void init() {
+    loadFromSd();
+}
+
+uint8_t count() { return presetCount; }
+
+void getLatLon(uint8_t index, double& lat, double& lon) {
+    if (index >= presetCount) return;
+    lat = presets[index].lat;
+    lon = presets[index].lon;
+}
+
+bool addPreset(double lat, double lon) {
+    if (presetCount >= MAX_PRESETS) return false;
+    presets[presetCount].lat = lat;
+    presets[presetCount].lon = lon;
+    presetCount++;
+    saveToSd();
+    return true;
+}
+
+void removePreset(uint8_t index) {
+    if (index >= presetCount) return;
+    for (uint8_t i = index; i < presetCount - 1; i++) {
+        presets[i] = presets[i + 1];
+    }
+    presetCount--;
+    presets[presetCount] = Preset{};
+
+    if (activeIdx == (int8_t)index) {
+        activeIdx = -1;
+    } else if (activeIdx > (int8_t)index) {
+        activeIdx--;
+    }
+    saveToSd();
+}
+
+int8_t activeIndex() { return activeIdx; }
+
+void setActiveIndex(int8_t index) {
+    if (index >= (int8_t)presetCount) return;
+    activeIdx = index;
+    saveToSd();
+}
+
+}