[core] Use Range<uint8_t> instead of full Tileset where possible

2 files changed, 4 insertions, 4 deletions

diff --git a/platform/default/mbgl/storage/offline.cpp b/platform/default/mbgl/storage/offline.cpp
index 812e427157..fd2d47819b 100644
--- a/platform/default/mbgl/storage/offline.cpp
+++ b/platform/default/mbgl/storage/offline.cpp
@@ -23,9 +23,9 @@ OfflineTilePyramidRegionDefinition::OfflineTilePyramidRegionDefinition(
     }
 }
 
-std::vector<CanonicalTileID> OfflineTilePyramidRegionDefinition::tileCover(SourceType type, uint16_t tileSize, const Tileset& tileset) const {
-    double minZ = std::max<double>(util::coveringZoomLevel(minZoom, type, tileSize), tileset.minZoom);
-    double maxZ = std::min<double>(util::coveringZoomLevel(maxZoom, type, tileSize), tileset.maxZoom);
+std::vector<CanonicalTileID> OfflineTilePyramidRegionDefinition::tileCover(SourceType type, uint16_t tileSize, const Range<uint8_t>& zoomRange) const {
+    double minZ = std::max<double>(util::coveringZoomLevel(minZoom, type, tileSize), zoomRange.min);
+    double maxZ = std::min<double>(util::coveringZoomLevel(maxZoom, type, tileSize), zoomRange.max);
 
     assert(minZ >= 0);
     assert(maxZ >= 0);
diff --git a/platform/default/mbgl/storage/offline_download.cpp b/platform/default/mbgl/storage/offline_download.cpp
index 11ca862925..820e1cd223 100644
--- a/platform/default/mbgl/storage/offline_download.cpp
+++ b/platform/default/mbgl/storage/offline_download.cpp
@@ -74,7 +74,7 @@ std::vector<Resource> OfflineDownload::glyphResources(const style::Parser& parse
 std::vector<Resource> OfflineDownload::tileResources(SourceType type, uint16_t tileSize, const Tileset& tileset) const {
     std::vector<Resource> result;
 
-    for (const auto& tile : definition.tileCover(type, tileSize, tileset)) {
+    for (const auto& tile : definition.tileCover(type, tileSize, tileset.zoomRange)) {
         result.push_back(Resource::tile(tileset.tiles[0], definition.pixelRatio, tile.x, tile.y, tile.z));
     }