Overpass tile source (#665)

vtm-playground/build.gradle

@@ -5,6 +5,7 @@ dependencies {
     file("${rootDir}/vtm-desktop/natives").eachDir() { dir ->
         implementation files(dir.path)
     }
+    implementation project(':vtm-extras')
     implementation project(':vtm-gdx-poi3d')
     implementation project(':vtm-http')
     implementation project(':vtm-jeo')

vtm-playground/src/org/oscim/test/OverpassTest.java

@@ -0,0 +1,88 @@
+/*
+ * Copyright 2016-2018 devemux86
+ * Copyright 2019 Gustl22
+ *
+ * This file is part of the OpenScienceMap project (http://www.opensciencemap.org).
+ *
+ * This program is free software: you can redistribute it and/or modify it under the
+ * terms of the GNU Lesser General Public License as published by the Free Software
+ * Foundation, either version 3 of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT ANY
+ * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+ * PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License along with
+ * this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+package org.oscim.test;
+
+import org.oscim.core.MapPosition;
+import org.oscim.gdx.GdxMapApp;
+import org.oscim.layers.GroupLayer;
+import org.oscim.layers.tile.bitmap.BitmapTileLayer;
+import org.oscim.layers.tile.buildings.BuildingLayer;
+import org.oscim.layers.tile.buildings.S3DBLayer;
+import org.oscim.layers.tile.vector.VectorTileLayer;
+import org.oscim.layers.tile.vector.labeling.LabelLayer;
+import org.oscim.map.Map;
+import org.oscim.map.Viewport;
+import org.oscim.theme.VtmThemes;
+import org.oscim.tiling.TileSource;
+import org.oscim.tiling.source.OkHttpEngine;
+import org.oscim.tiling.source.bitmap.DefaultSources;
+import org.oscim.tiling.source.overpass.OverpassTileSource;
+
+/**
+ * Use Overpass API data for vector layer.
+ * Only for developing as can be error-prone.
+ * Take care of overpass provider licenses.
+ */
+public class OverpassTest extends GdxMapApp {
+
+    @Override
+    public void createLayers() {
+        Map map = getMap();
+
+        TileSource tileSource = OverpassTileSource.builder()
+                .httpFactory(new OkHttpEngine.OkHttpFactory())
+                .zoomMin(15)
+                .zoomMax(17)
+                .build();
+        VectorTileLayer l = map.setBaseMap(tileSource);
+
+        TileSource bitmapTileSource = DefaultSources.OPENSTREETMAP
+                .httpFactory(new OkHttpEngine.OkHttpFactory())
+                .zoomMax(15)
+                .fadeSteps(new BitmapTileLayer.FadeStep[]{
+                        new BitmapTileLayer.FadeStep(15, 16, 1f, 0f),
+                        new BitmapTileLayer.FadeStep(16, Viewport.MAX_ZOOM_LEVEL, 0f, 0f)
+                })
+                .build();
+        mMap.layers().add(new BitmapTileLayer(mMap, bitmapTileSource));
+
+        BuildingLayer.RAW_DATA = true;
+        GroupLayer groupLayer = new GroupLayer(mMap);
+        groupLayer.layers.add(new S3DBLayer(map, l));
+        groupLayer.layers.add(new LabelLayer(map, l));
+        map.layers().add(groupLayer);
+
+        map.setTheme(VtmThemes.DEFAULT);
+        MapPosition pos = MapPreferences.getMapPosition();
+        if (pos != null)
+            map.setMapPosition(pos);
+        else
+            map.setMapPosition(53.075, 8.808, 1 << 17);
+    }
+
+    @Override
+    public void dispose() {
+        MapPreferences.saveMapPosition(mMap.getMapPosition());
+        super.dispose();
+    }
+
+    public static void main(String[] args) {
+        GdxMapApp.init();
+        GdxMapApp.run(new OverpassTest());
+    }
+}