samples/pop_pop_win: now based on StageXL

samples/pop_pop_win/lib/src/stage/square_element.dart

Index: samples/pop_pop_win/lib/src/stage/square_element.dart
diff --git a/samples/pop_pop_win/lib/src/stage/square_element.dart b/samples/pop_pop_win/lib/src/stage/square_element.dart
new file mode 100644
index 0000000000000000000000000000000000000000..82852af53f63b62d5cc5d265fd361bde94e3f5b2
--- /dev/null
+++ b/samples/pop_pop_win/lib/src/stage/square_element.dart
@@ -0,0 +1,104 @@
+library pop_pop_win.stage.square_element;
+
+import 'package:stagexl/stagexl.dart';
+
+import 'package:pop_pop_win/src/game.dart';
+import 'board_element.dart';
+import 'game_element.dart';
+
+class SquareElement extends Sprite {
+  static const int SIZE = 80;
+
+  static const List<String> _balloonBits = const [
+      'balloon_pieces_a',
+      'balloon_pieces_b',
+      'balloon_pieces_c',
+      'balloon_pieces_d'
+  ];
+
+  static const List<String> _numberMap = const [
+      "game_board_center",
+      "number_one", "number_two",
+      "number_three", "number_four",
+      "number_five", "number_six",
+      "number_seven", "number_eight"
+  ];
+
+  final int x, y;
+  final Bitmap _bitmap = new Bitmap(new BitmapData(SIZE, SIZE, true,
+      Color.Transparent));
+
+  SquareElement(this.x, this.y) {
+    addChild(_bitmap);
+
+    onMouseClick.listen(_onClick);
+    onMouseRightClick.listen(_onClick);
+
+    useHandCursor = true;
+  }
+
+  void updateState() {
+    var textureName;
+    switch (squareState) {
+      case SquareState.hidden:
+        textureName = _getHiddenTexture();
+        break;
+      case SquareState.flagged:
+        textureName = 'balloon_tagged_frozen';
+        break;
+      case SquareState.revealed:
+        textureName = _numberMap[_adjacentCount];
+        break;
+      case SquareState.bomb:
+        textureName = 'crater_b';
+        break;
+      case SquareState.safe:
+        textureName = 'balloon_tagged_bomb';
+        break;
+    }
+
+    useHandCursor = !_game.gameEnded && (squareState == SquareState.hidden ||
+        squareState == SquareState.flagged);
+
+    _bitmap.bitmapData
+        ..clear()
+        ..drawPixels(_opaqueAtlas.getBitmapData(textureName),
+            new Rectangle(0, 0, SIZE, SIZE), new Point(0, 0));
+  }
+
+  void _onClick(MouseEvent e) {
+    if (!_game.gameEnded) {
+      bool alt = (e.type == MouseEvent.RIGHT_CLICK) || e.shiftKey;
+      _gameElement.click(x, y, alt);
+    }
+  }
+
+  String toString() => 'Square at [$x, $y]';
+
+  String _getHiddenTexture() {
+    assert(squareState == SquareState.hidden);
+    if (_game.state == GameState.lost) {
+      useHandCursor = false;
+      final index = (x + y) % _balloonBits.length;
+      return _balloonBits[index];
+    } else {
+      useHandCursor = true;
+      return 'balloon';
+    }
+  }
+
+  SquareState get squareState => _game.getSquareState(x, y);
+
+  int get _adjacentCount => _game.field.getAdjacentCount(x, y);
+
+  BoardElement get _board {
+    final BoardElement p = this.parent;
+    return p;
+  }
+
+  GameElement get _gameElement => _board.gameElement;
+
+  TextureAtlas get _opaqueAtlas => _board.opaqueAtlas;
+
+  Game get _game => _board.game;
+}