MarkerRenderer: sort option

docs/Changelog.md

@@ -2,6 +2,8 @@
 
 ## New since 0.13.0
 
+- Marker renderer sort option
+  - `Parameters.MARKER_SORT`
 - Many other minor improvements and bug fixes
 - [Solved issues](https://github.com/mapsforge/vtm/issues?q=is%3Aclosed+milestone%3A0.14.0)
 

vtm/src/org/oscim/layers/marker/MarkerRenderer.java

@@ -2,7 +2,7 @@
  * Copyright 2013 Hannes Janetzek
  * Copyright 2016 Izumi Kawashima
  * Copyright 2017 Longri
- * Copyright 2017-2018 devemux86
+ * Copyright 2017-2020 devemux86
  * Copyright 2017 nebular
  *
  * This file is part of the OpenScienceMap project (http://www.opensciencemap.org).
@@ -27,6 +27,7 @@ import org.oscim.renderer.BucketRenderer;
 import org.oscim.renderer.GLViewport;
 import org.oscim.renderer.bucket.SymbolBucket;
 import org.oscim.renderer.bucket.SymbolItem;
+import org.oscim.utils.Parameters;
 import org.oscim.utils.TimSort;
 import org.oscim.utils.geom.GeometryUtils;
 
@@ -187,13 +188,14 @@ public class MarkerRenderer extends BucketRenderer {
 
     static TimSort<InternalItem> ZSORT = new TimSort<InternalItem>();
 
-    public static void sort(InternalItem[] a, int lo, int hi) {
+    protected void sort(InternalItem[] a, int lo, int hi) {
         int nRemaining = hi - lo;
         if (nRemaining < 2) {
             return;
         }
 
-        ZSORT.doSort(a, zComparator, lo, hi);
+        if (Parameters.MARKER_SORT)
+            ZSORT.doSort(a, zComparator, lo, hi);
     }
 
     static final Comparator<InternalItem> zComparator = new Comparator<InternalItem>() {

vtm/src/org/oscim/utils/Parameters.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2017-2019 devemux86
+ * Copyright 2017-2020 devemux86
  *
  * 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
@@ -36,6 +36,11 @@ public final class Parameters {
      */
     public static boolean MAP_EVENT_LAYER2 = false;
 
+    /**
+     * If true the markers are sorted in y-axis.
+     */
+    public static boolean MARKER_SORT = true;
+
     /**
      * Maximum buffer size for map files.
      */