Dev submaps (#770)

* bioms shouldn't be masked or the style selection box is useless

* fix: misleading comment

* experimental submapping feature

* burg remapping

* Submap with options

* Fix: calculating absolute flux from precipitation normal-value.

* effective distanceScale

* updated resampler

* fix: missing cell

* Fix: River automatic rerender on regeneration.

* FIX: wrong culture migration

* fixed 0 index burg bug, more accurate coast detection for burgs

* FIX: wrong burg cell id

* fix invalid feature number at burg.ports, option to disable regenerations

* Relocate submap

* update height model and scale parameters

* new menu

* Dropbox OAuth implementation and Cloud framework

* add some space

* removing uneccesary logs, defer script load

* map position on planet, fix wrong riverbed generation

* fix:riverbed generation

* better cell sampler

* Auto-Smoothing,dist fix

* FIX: incorrect province copy and minor fix of rebels

* Cleanup

* FIX: water detection bug

* Recompute centers (states, cultures, provinces)

* activating forwardmap

* FIX: port burg relocation algo

* FIX: coast detection (for burgs)

* Fix: invalid html id

* add dot

* update for FMG 1.73

* Update submap gui

* refactored submap ui options

* Copy all visible military units from the old map.

* add info text

* Add Markers.deleteMarker API.

* Lock markers and lock burgs options

* better comment

* submapper gui updates, remove feature mapping on/off

* Fix typo (thx evolvedexperiment)

* fix ugly GUI (2 digit roundoff)

* resample dialog

* Town Promotion to largetown

* don't promote to capitals.

* Fix typo

* round style settings

* do not draw removed burgs

* Fix port cell search algo

* Fix: robust error handling, no error for 0.

* submap: projection moved to options, fix double burg error

* complete rewrite of burg relocation

* findcell by coordinates

* prepare to merge, add comments, remove fluff

* replacing lodash with deepCopy implementation

Co-authored-by: Mészáros Gergely <monk@geotronic.hu>

modules/river-generator.js

@@ -35,10 +35,12 @@ window.Rivers = (function () {
     TIME && console.timeEnd("generateRivers");
 
     function drainWater() {
+      //const MIN_FLUX_TO_FORM_RIVER = 10 * distanceScale;
       const MIN_FLUX_TO_FORM_RIVER = 30;
       const cellsNumberModifier = (pointsInput.dataset.cells / 10000) ** 0.25;
 
       const prec = grid.cells.prec;
+      const area = pack.cells.area;
       const land = cells.i.filter(i => h[i] >= 20).sort((a, b) => h[b] - h[a]);
       const lakeOutCells = Lakes.setClimateData(h);