1 files changed, 78 insertions, 0 deletions
diff --git a/src/mbgl/map/vector_tile_data.cpp b/src/mbgl/map/vector_tile_data.cpp
new file mode 100644
index 0000000000..06782057f6
--- /dev/null
+++ b/src/mbgl/map/vector_tile_data.cpp
@@ -0,0 +1,78 @@
+#include <mbgl/map/vector_tile_data.hpp>
+#include <mbgl/map/tile_parser.hpp>
+#include <mbgl/util/std.hpp>
+#include <mbgl/map/map.hpp>
+#include <mbgl/style/style_layer.hpp>
+#include <mbgl/style/style_bucket.hpp>
+#include <mbgl/geometry/glyph_atlas.hpp>
+
+using namespace mbgl;
+
+VectorTileData::VectorTileData(Tile::ID const& id_,
+                               float mapMaxZoom, util::ptr<Style> style_,
+                               GlyphAtlas& glyphAtlas_, GlyphStore& glyphStore_,
+                               SpriteAtlas& spriteAtlas_, util::ptr<Sprite> sprite_,
+                               TexturePool& texturePool_,
+                               const SourceInfo& source_)
+    : TileData(id_, source_),
+      glyphAtlas(glyphAtlas_),
+      glyphStore(glyphStore_),
+      spriteAtlas(spriteAtlas_),
+      sprite(sprite_),
+      texturePool(texturePool_),
+      style(style_),
+      depth(id.z >= source.max_zoom ? mapMaxZoom - id.z : 1) {
+}
+
+VectorTileData::~VectorTileData() {
+    glyphAtlas.removeGlyphs(id.to_uint64());
+}
+
+
+void VectorTileData::parse() {
+    if (state != State::loaded) {
+        return;
+    }
+
+    try {
+        // Parsing creates state that is encapsulated in TileParser. While parsing,
+        // the TileParser object writes results into this objects. All other state
+        // is going to be discarded afterwards.
+        TileParser parser(data, *this, style,
+                          glyphAtlas, glyphStore,
+                          spriteAtlas, sprite,
+                          texturePool);
+        parser.parse();
+    } catch (const std::exception& ex) {
+#if defined(DEBUG)
+        fprintf(stderr, "[%p] exception [%d/%d/%d]... failed: %s\n", this, id.z, id.x, id.y, ex.what());
+#endif
+        cancel();
+        return;
+    }
+
+    if (state != State::obsolete) {
+        state = State::parsed;
+    }
+}
+
+void VectorTileData::render(Painter &painter, util::ptr<StyleLayer> layer_desc, const mat4 &matrix) {
+    if (state == State::parsed && layer_desc->bucket) {
+        auto databucket_it = buckets.find(layer_desc->bucket->name);
+        if (databucket_it != buckets.end()) {
+            assert(databucket_it->second);
+            databucket_it->second->render(painter, layer_desc, id, matrix);
+        }
+    }
+}
+
+bool VectorTileData::hasData(StyleLayer const& layer_desc) const {
+    if (state == State::parsed && layer_desc.bucket) {
+        auto databucket_it = buckets.find(layer_desc.bucket->name);
+        if (databucket_it != buckets.end()) {
+            assert(databucket_it->second);
+            return databucket_it->second->hasData();
+        }
+    }
+    return false;
+}