Make bearing a clockwise map rotation

.github/workflows/build.yml

@@ -54,8 +54,29 @@ jobs:
           fi
 
       - name: Build core and compose locally
+        env:
+          HEAD_REF: ${{ github.head_ref }}
         run: |
-          git clone --depth 1 https://github.com/MapConductor/android-sdk-core.git _core
+          # コア側に PR と同名のブランチがあるなら、そちらを組む。
+          #
+          # ここを default ブランチ固定にしていると、**コアの未マージな変更に追随する
+          # PR は永久に赤いまま**になる。実際 CameraBearing をコアへ足したとき、
+          # プロバイダ側の PR が 10 本まとめて Unresolved reference で落ちた。
+          # コアが先にマージされるまで待つ、という運用は取り込み順の事故を呼ぶので、
+          # 同名ブランチがあれば拾う形にしてある（無ければ従来どおり default）。
+          clone_matching() {
+            repo="$1"; dir="$2"
+            url="https://github.com/MapConductor/$repo.git"
+            if [ -n "$HEAD_REF" ] && git ls-remote --exit-code --heads "$url" "$HEAD_REF" >/dev/null 2>&1; then
+              echo "$repo: matching branch $HEAD_REF"
+              git clone --depth 1 --branch "$HEAD_REF" "$url" "$dir"
+            else
+              echo "$repo: default branch"
+              git clone --depth 1 "$url" "$dir"
+            fi
+          }
+
+          clone_matching android-sdk-core _core
           cd _core
           ./gradlew --no-daemon publishToMavenLocal
           cd ..
@@ -69,7 +90,7 @@ jobs:
           }
           EOF
 
-          git clone --depth 1 https://github.com/MapConductor/android-sdk-compose.git _compose
+          clone_matching android-sdk-compose _compose
           cd _compose
           ./gradlew --no-daemon publishToMavenLocal
           cd ..

src/main/java/com/mapconductor/here/MapCameraPosition.kt

@@ -7,6 +7,7 @@ import com.here.sdk.mapview.MapCameraUpdate
 import com.here.sdk.mapview.MapCameraUpdateFactory
 import com.here.sdk.mapview.MapMeasure
 import com.mapconductor.core.features.GeoPoint
+import com.mapconductor.core.map.CameraBearing
 import com.mapconductor.core.map.MapCameraPosition
 import com.mapconductor.core.map.MapCameraPositionInterface
 import com.mapconductor.core.spherical.Spherical
@@ -30,7 +31,7 @@ internal fun MapCameraPosition.toHereDisplayCamera(): HereDisplayCamera {
             target = GeoPoint.from(position),
             tiltDeg = tilt,
             hereZoomLevel = ZoomAltitudeConverter.googleZoomToHereZoom(zoom, position.latitude),
-            bearing = bearing,
+            bearing = CameraBearing.toNativeHeading(bearing),
         )
     }
     // tilt < 0: HERE cannot represent upward pitch directly.
@@ -40,13 +41,13 @@ internal fun MapCameraPosition.toHereDisplayCamera(): HereDisplayCamera {
     val hereZoomOrig = ZoomAltitudeConverter.googleZoomToHereZoom(zoom, position.latitude)
     val altitude = converter.zoomLevelToAltitude(hereZoomOrig, position.latitude, 0.0)
     val distanceForward = altitude * tan(tiltAbsRad)
-    val target = Spherical.computeOffset(position, distanceForward, bearing)
+    val target = Spherical.computeOffset(position, distanceForward, CameraBearing.toNativeHeading(bearing))
     val adjustedHereZoom = converter.altitudeToZoomLevel(altitude / cos(tiltAbsRad), target.latitude, 0.0)
     return HereDisplayCamera(
         target = target,
         tiltDeg = tiltAbsDeg,
         hereZoomLevel = adjustedHereZoom,
-        bearing = bearing,
+        bearing = CameraBearing.toNativeHeading(bearing),
     )
 }
 
@@ -93,7 +94,7 @@ internal fun MapCamera.State.toMapCameraPosition(logicalTiltHint: Double?): MapC
         return MapCameraPosition(
             position = position,
             zoom = ourZoom,
-            bearing = orientationAtTarget.bearing,
+            bearing = CameraBearing.bearingFromNativeHeading(orientationAtTarget.bearing),
             tilt = pitch,
             visibleRegion = null,
         )
@@ -114,7 +115,7 @@ internal fun MapCamera.State.toMapCameraPosition(logicalTiltHint: Double?): MapC
     return MapCameraPosition(
         position = originalCenter,
         zoom = originalGoogleZoom,
-        bearing = bear,
+        bearing = CameraBearing.bearingFromNativeHeading(bear),
         tilt = -pitchAbsDeg,
         visibleRegion = null,
     )