diff options
Diffstat (limited to 'chapter31/docs/examples/TicTacToeGraphical.smp')
| -rw-r--r-- | chapter31/docs/examples/TicTacToeGraphical.smp | 15 |
1 files changed, 13 insertions, 2 deletions
diff --git a/chapter31/docs/examples/TicTacToeGraphical.smp b/chapter31/docs/examples/TicTacToeGraphical.smp index 7daf6710..b4f8bcf4 100644 --- a/chapter31/docs/examples/TicTacToeGraphical.smp +++ b/chapter31/docs/examples/TicTacToeGraphical.smp @@ -7,6 +7,7 @@ val main = { u8[~][] args -> val board = new u8[9]; _reset(board); if( sys.gfx.open("Simple tic-tac-toe",screen.width,screen.height) != sys.gfx.OK ) return 1; + sys.audio.open(); // Audio is optional; failure leaves the game silent. _draw(screen,board,-1); int result = sys.gfx.present(screen.pixels); bool mouseHeld = false, keyHeld = false, replayHeld = false; @@ -20,7 +21,7 @@ val main = { u8[~][] args -> int square = _square(sys.gfx.mouseX(),sys.gfx.mouseY()); bool dirty = square!=hover; hover = square; - if( replay && !replayHeld ) { _reset(board); dirty=true; } + if( replay && !replayHeld ) { sys.audio.stop(); _reset(board); dirty=true; } bool digit = false; int choice = down && !mouseHeld ? square : -1; for( int i=0; i<9; i++ ) { @@ -30,7 +31,10 @@ val main = { u8[~][] args -> if( !keyHeld ) choice=i; } } - if( !(replay && !replayHeld) && _move(board,choice) ) dirty=true; + if( !(replay && !replayHeld) && _move(board,choice) ) { + sys.audio.play(_sound(board)); + dirty=true; + } mouseHeld = down; keyHeld = digit; replayHeld = replay; @@ -40,10 +44,17 @@ val main = { u8[~][] args -> } if( args#>1 && ++frames==5 ) break; } + sys.audio.close(); sys.gfx.close(); return result==sys.gfx.ERROR ? 1 : 0; }; +// Called only for an accepted move; invalid input never requests a sound. +val _sound = { u8[~] board -> + int winner = _winner(board); + return winner=='X' ? sys.audio.WIN : winner=='O' ? sys.audio.LOSE : sys.audio.BOOP; +}; + val _reset = { u8[] board -> for( int i=0; i<9; i++ ) board[i]=' '; }; |