Redesigned the algorithm for drawing a portion of the minesweeper grid

1 files changed, 6 insertions, 1 deletions

diff --git a/app/src/main/java/space/jakob/mines/Grid.kt b/app/src/main/java/space/jakob/mines/Grid.kt
index b61f5f1..2eec411 100644
--- a/app/src/main/java/space/jakob/mines/Grid.kt
+++ b/app/src/main/java/space/jakob/mines/Grid.kt
@@ -31,12 +31,17 @@ class Grid(val width: Int, val height: Int, val tiles: Array<Tile>) {
     }
 
     private fun index(x: Int, y: Int) = y * width + x
-    private fun valid(x: Int, y: Int) = y in 0 until height && x in 0 until width
     private fun place(x: Int, y: Int, tile: Tile) {
         tiles[index(x, y)] = tile
     }
 
     /**
+     * Returns whether or not @see get on the given index would raise an
+     * @exception IllegalArgumentException
+     */
+    fun valid(x: Int, y: Int) = y in 0 until height && x in 0 until width
+
+    /**
      * Returns the tile at the given coordinates.
      *
      * @throws IllegalArgumentException if the X coordinate is outside