* Start on road connect feature.
* Rough UI and tile highlighting
- Highlight visible tiles for selected unit red
-- Maybe change this to all explored tiles
- Move action firing inside WorldMapHolder
- Set begin and end tiles
* Serialize Vector2 instead of Tile
* Add road icon
* Much better UI handling
- Tile highlights go away after choosing a tile
- Added restrictions to allowed tile destination choices.
- Explored
- Land
- Passable
- Added two-tap button
* Refactor part of `onTileClicked` for readability
* Band-aid fix null pointer error
* Add RoadConnection icon
* Tentatively working connect road feature
* AStar search implementation
* AStar connect road automation
* Fix worker getting stuck in city tiles
* Heuristic should be between tiles
* Add heuristic to road connect, remove maxSize limit
* Fix predicates
* Cancel automation when worker is force moved off path
* Change valid/highlighted tiles to be friendly or neutral
* Put log back the way it was
* Fix behavior when kicked off path
* Worker no longer wastes movement points
* Workers will progress multiple tiles at a time towards the next build destination.
* Respect civs with certain tiles as roads
* Refractor ForceAutomateRoadConnection -> AutomateRoadConnection
* Connect road UI button only shows for units with UniqueType.BuildImprovements
* Connect road UI button only show when road tech is unlocked
* Add wagon sound
* Fix destination icon, add KeyboardBinding to 'c'
* UI highlight connect road path tiles orange
* Downsample wagon.mp3
* Apply migration patch, idiomatic sequence processing
* Add notifications on success and failure
* Extract movement cost function to be reusable
* Refactor road pathfinding into MapPathing.kt
* Make pathing calls more general for future extendability
* Add UI road connection tile path preview
* Keep road path highlighting when routing to a city tile
* Adjust road pathing cost function
* Path includes pillaged roads
* Repair pillaged roads along path
* Valid road path tiles now include all passable tiles (open borders)
* Simplify MapOverlayToggleButton signature and let the instances use individually moddable images
* Gimp sources of new images (all from existing attributions)
* New images and atlas
* Show arrows on map for unit actions.
* Don't wrap arrows unless world wrap is actually enabled.
* Fix transported air units always being treated like teleports.
* Simple reviews.
* Separate movement arrow visibility checks from WorldScreen.
* Assets for map arrows overlay.
Co-authored-by: Yair Morgenstern <yairm210@hotmail.com>
