Bugfixes for frontier and inpath marker split

src/main/kotlin/MapBackedPathfinder.kt

@@ -80,7 +80,7 @@ object MapBackedPathfinder {
             }
             current = lowestCost
         }
-        World.update(start, start.getProperties() + Directions.INPATH)
+        World.update(start, start.getProperties() + Directions.HMINPATH)
     }
 
 }

src/main/kotlin/World.kt

@@ -95,7 +95,7 @@ object World {
     }
 
     fun getTileShape(tile: TileProperties): Char {
-        return when(tile.connections) {
+        return when(tile.connections and(UP.dir+DOWN.dir+LEFT.dir+RIGHT.dir )) {
             UP.dir+DOWN.dir+LEFT.dir+RIGHT.dir -> '╋'
             UP.dir+DOWN.dir+LEFT.dir -> '┫'
             UP.dir+DOWN.dir+RIGHT.dir -> '┣'
@@ -116,7 +116,7 @@ object World {
     }
 
     fun getTileShapeDoubles(tile: TileProperties): Char {
-        return when(tile.connections and(MANIFEST.inv()) and(INPATH.inv()) and(FRONTIER.inv())) {
+        return when(tile.connections and(UP.dir+DOWN.dir+LEFT.dir+RIGHT.dir )) {
             UP.dir+DOWN.dir+LEFT.dir+RIGHT.dir -> '╬'
             UP.dir+DOWN.dir+LEFT.dir -> '╣'
             UP.dir+DOWN.dir+RIGHT.dir -> '╠'