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Merge pull request #1479 from mdakin/simplfy_digger

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Simplfy resetting board and mine generation.
This commit is contained in:
Adam Barth 2015-10-04 15:21:53 -07:00
commit 6d65bfc9ac
1 changed files with 16 additions and 24 deletions
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40
examples/mine_digger/lib/main.dart
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@ -64,33 +64,25 @@ class MineDiggerState extends State<MineDigger> {
alive = true;
hasWon = false;
detectedCount = 0;
// Build the arrays.
cells = new List<List<bool>>();
uiState = new List<List<CellState>>();
for (int iy = 0; iy != rows; iy++) {
cells.add(new List<bool>());
uiState.add(new List<CellState>());
for (int ix = 0; ix != cols; ix++) {
cells[iy].add(false);
uiState[iy].add(CellState.covered);
}
}
// Initialize matrices.
cells = new List<List>.generate(rows, (int row) {
return new List<bool>.filled(cols, false);
});
uiState = new List<List>.generate(rows, (int row) {
return new List<CellState>.filled(cols, CellState.covered);
});
// Place the mines.
Random random = new Random();
int cellsRemaining = rows * cols;
int minesRemaining = totalMineCount;
for (int x = 0; x < cols; x += 1) {
for (int y = 0; y < rows; y += 1) {
if (random.nextInt(cellsRemaining) < minesRemaining) {
cells[y][x] = true;
minesRemaining -= 1;
if (minesRemaining <= 0)
return;
}
cellsRemaining -= 1;
while (minesRemaining > 0) {
int pos = random.nextInt(rows * cols);
int row = pos ~/ rows;
int col = pos % cols;
if (!cells[row][col]) {
cells[row][col] = true;
minesRemaining--;
}
}
assert(false);
}
PointerEventListener _pointerDownHandlerFor(int posX, int posY) {
@ -106,9 +98,9 @@ class MineDiggerState extends State<MineDigger> {
Widget buildBoard() {
bool hasCoveredCell = false;
List<Row> flexRows = <Row>[];
for (int iy = 0; iy != 9; iy++) {
for (int iy = 0; iy < rows; iy++) {
List<Widget> row = <Widget>[];
for (int ix = 0; ix != 9; ix++) {
for (int ix = 0; ix < cols; ix++) {
CellState state = uiState[iy][ix];
int count = mineCount(ix, iy);
if (!alive) {