classic sbt application, should work by importing as sbt project in intellij
might've missed some tests, since the time constraint was tight and I had other errands
console-based interface, example flow:
Hola!
This is Puzzle15 game.
Please enter 'cheat' if you want an easy mode [otherwise enter whatever]: fair
1 13 7 14
3 15 5 2
9 10 8 4
> # 12 6 11
0: CursorMoveRight
1: CursorMoveUp
q: Quit
1
the cursor has been moved
1 13 7 14
3 15 5 2
> 9 10 8 4
# 12 6 11
0: CursorMoveRight
1: CursorMoveUp
2: CursorMoveDown
3: BlockMoveDown
q: Quit
3
a block has been moved
1 13 7 14
3 15 5 2
> # 10 8 4
9 12 6 11
0: CursorMoveRight
1: CursorMoveUp
2: CursorMoveDown
q: Quit
Also, you can use cheat mode, which brings you to almost-finished state, in order to test the completion phase:
Hola!
This is Puzzle15 game.
Please enter 'cheat' if you want an easy mode [otherwise enter whatever]: cheat
1 2 3 4
5 6 7 8
9 10 11 12
13 14 > # 15
0: CursorMoveLeft
1: CursorMoveRight
2: CursorMoveUp
q: Quit
Have fun!