Android掃雷遊戲源代碼及預覽圖

加好友 · 發表於 2011-4-13 11:49

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本帖最後由 278755328 於 2020-6-2 12:53 編輯

MineSweeper是一個不錯的Android開源掃雷遊戲，對於初學Android 台灣中文網的網友可能有很大的幫助，對於Java遊戲開發也有一定的參考意義。該遊戲主要有以下技術值得學習:

1. 個性化字體，計分器使用的是LED字體，可以幫助我們如何導入外部字體在Android平台中顯示。

2. 帶圖片的Toast，下面的You won in 36 seconds這個Toast使用了自定義的佈局，可以顯示圖片和文字。

3. 自定義Button控件，可以看到標記是否為雷，顯示附近地雷數量的按鈕控件，初學者可以很容易的學習到Android開發中常用的自定義控件技術。

4. 因為遊戲實時性不高，這裡沒有用到SurfaceView，下次Android 台灣中文網給大家提供一個將對高級些的例子。

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2011-4-13 11:47 上傳

關鍵代碼如下:

public class MinesweeperGame extends Activity
{
private TextView txtMineCount;
private TextView txtTimer;
private ImageButton btnSmile;
private TableLayout mineField; // table layout to add mines to
private Block blocks[][]; // blocks for mine field
private int blockDimension = 24; // width of each block
private int blockPadding = 2; // padding between blocks
private int numberOfRowsInMineField = 9;
private int numberOfColumnsInMineField = 9;
private int totalNumberOfMines = 10;
// timer to keep track of time elapsed
private Handler timer = new Handler();
private int secondsPassed = 0;
private boolean isTimerStarted; // check if timer already started or not
private boolean areMinesSet; // check if mines are planted in blocks
private boolean isGameOver;
private int minesToFind; // number of mines yet to be discovered
@Override
public void onCreate(Bundle savedInstanceState)
{
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
txtMineCount = (TextView) findViewById(R.id.MineCount);
txtTimer = (TextView) findViewById(R.id.Timer);
// set font style for timer and mine count to LCD style
Typeface lcdFont = Typeface.createFromAsset(getAssets(),
"fonts/lcd2mono.ttf");
txtMineCount.setTypeface(lcdFont);
txtTimer.setTypeface(lcdFont);
btnSmile = (ImageButton) findViewById(R.id.Smiley);
btnSmile.setOnClickListener(new OnClickListener()
{
@Override
public void onClick(View view)
{
endExistingGame();
startNewGame();
}
});
mineField = (TableLayout)findViewById(R.id.MineField);
showDialog("Click smiley to start New Game", 2000, true, false);
}
private void startNewGame()
{
// plant mines and do rest of the calculations
createMineField();
// display all blocks in UI
showMineField();
minesToFind = totalNumberOfMines;
isGameOver = false;
secondsPassed = 0;
}
private void showMineField()
{
// remember we will not show 0th and last Row and Columns
// they are used for calculation purposes only
for (int row = 1; row < numberOfRowsInMineField + 1; row++)
{
TableRow tableRow = new TableRow(this);
tableRow.setLayoutParams(new LayoutParams((blockDimension + 2 * blockPadding) * numberOfColumnsInMineField, blockDimension + 2 * blockPadding));
for (int column = 1; column < numberOfColumnsInMineField + 1; column++)
{
blocks[row][column].setLayoutParams(new LayoutParams(
blockDimension + 2 * blockPadding,
blockDimension + 2 * blockPadding));
blocks[row][column].setPadding(blockPadding, blockPadding, blockPadding, blockPadding);
tableRow.addView(blocks[row][column]);
}
mineField.addView(tableRow,new TableLayout.LayoutParams(
(blockDimension + 2 * blockPadding) * numberOfColumnsInMineField, blockDimension + 2 * blockPadding));
}
}
private void endExistingGame()
{
stopTimer(); // stop if timer is running
txtTimer.setText("000"); // revert all text
txtMineCount.setText("000"); // revert mines count
btnSmile.setBackgroundResource(R.drawable.smile);
// remove all rows from mineField TableLayout
mineField.removeAllViews();
// set all variables to support end of game
isTimerStarted = false;
areMinesSet = false;
isGameOver = false;
minesToFind = 0;
}
private void createMineField()
{
// we take one row extra row for each side
// overall two extra rows and two extra columns
// first and last row/column are used for calculations purposes only
// x|xxxxxxxxxxxxxx|x
// ------------------
// x| |x
// x| |x
// ------------------
// x|xxxxxxxxxxxxxx|x
// the row and columns marked as x are just used to keep counts of near by mines
blocks = new Block[numberOfRowsInMineField + 2][numberOfColumnsInMineField + 2];
for (int row = 0; row < numberOfRowsInMineField + 2; row++)
{
for (int column = 0; column < numberOfColumnsInMineField + 2; column++)
{
blocks[row][column] = new Block(this);
blocks[row][column].setDefaults();
// pass current row and column number as final int"s to event listeners
// this way we can ensure that each event listener is associated to
// particular instance of block only
final int currentRow = row;
final int currentColumn = column;
// add Click Listener
// this is treated as Left Mouse click
blocks[row][column].setOnClickListener(new OnClickListener()
{
@Override
public void onClick(View view)
{
// start timer on first click
if (!isTimerStarted)
{
startTimer();
isTimerStarted = true;
}
// set mines on first click
if (!areMinesSet)
{
areMinesSet = true;
setMines(currentRow, currentColumn);
}
// this is not first click
// check if current block is flagged
// if flagged the don"t do anything
// as that operation is handled by LongClick
// if block is not flagged then uncover nearby blocks
// till we get numbered mines
if (!blocks[currentRow][currentColumn].isFlagged())
{
// open nearby blocks till we get numbered blocks
rippleUncover(currentRow, currentColumn);
// did we clicked a mine
if (blocks[currentRow][currentColumn].hasMine())
{
// Oops, game over
finishGame(currentRow,currentColumn);
}
// check if we win the game
if (checkGameWin())
{
// mark game as win
winGame();
}
}
}
});
// add Long Click listener
// this is treated as right mouse click listener
blocks[row][column].setOnLongClickListener(new OnLongClickListener()
{
public boolean onLongClick(View view)
{
// simulate a left-right (middle) click
// if it is a long click on an opened mine then
// open all surrounding blocks
if (!blocks[currentRow][currentColumn].isCovered() && (blocks[currentRow][currentColumn].getNumberOfMinesInSorrounding() > 0) && !isGameOver)
{
int nearbyFlaggedBlocks = 0;
for (int previousRow = -1; previousRow < 2; previousRow++)
{
for (int previousColumn = -1; previousColumn < 2; previousColumn++)
{
if (blocks[currentRow + previousRow][currentColumn + previousColumn].isFlagged())
{
nearbyFlaggedBlocks++;
}
}
}
// if flagged block count is equal to nearby mine count
// then open nearby blocks
if (nearbyFlaggedBlocks == blocks[currentRow][currentColumn].getNumberOfMinesInSorrounding())
{
for (int previousRow = -1; previousRow < 2; previousRow++)
{
for (int previousColumn = -1; previousColumn < 2; previousColumn++)
{
// don"t open flagged blocks
if (!blocks[currentRow + previousRow][currentColumn + previousColumn].isFlagged())
{
// open blocks till we get numbered block
rippleUncover(currentRow + previousRow, currentColumn + previousColumn);
// did we clicked a mine
if (blocks[currentRow + previousRow][currentColumn + previousColumn].hasMine())
{
// oops game over
finishGame(currentRow + previousRow, currentColumn + previousColumn);
}
// did we win the game
if (checkGameWin())
{
// mark game as win
winGame();
}
}
}
}
}
// as we no longer want to judge this gesture so return
// not returning from here will actually trigger other action
// which can be marking as a flag or question mark or blank
return true;
}
// if clicked block is enabled, clickable or flagged
if (blocks[currentRow][currentColumn].isClickable() &&
(blocks[currentRow][currentColumn].isEnabled() || blocks[currentRow][currentColumn].isFlagged()))
{
// for long clicks set:
// 1. empty blocks to flagged
// 2. flagged to question mark
// 3. question mark to blank
// case 1. set blank block to flagged
if (!blocks[currentRow][currentColumn].isFlagged() && !blocks[currentRow][currentColumn].isQuestionMarked())
{
blocks[currentRow][currentColumn].setBlockAsDisabled(false);
blocks[currentRow][currentColumn].setFlagIcon(true);
blocks[currentRow][currentColumn].setFlagged(true);
minesToFind--; //reduce mine count
updateMineCountDisplay();
}
// case 2. set flagged to question mark
else if (!blocks[currentRow][currentColumn].isQuestionMarked())
{
blocks[currentRow][currentColumn].setBlockAsDisabled(true);
blocks[currentRow][currentColumn].setQuestionMarkIcon(true);
blocks[currentRow][currentColumn].setFlagged(false);
blocks[currentRow][currentColumn].setQuestionMarked(true);
minesToFind++; // increase mine count
updateMineCountDisplay();
}
// case 3. change to blank square
else
{
blocks[currentRow][currentColumn].setBlockAsDisabled(true);
blocks[currentRow][currentColumn].clearAllIcons();
blocks[currentRow][currentColumn].setQuestionMarked(false);
// if it is flagged then increment mine count
if (blocks[currentRow][currentColumn].isFlagged())
{
minesToFind++; // increase mine count
updateMineCountDisplay();
}
// remove flagged status
blocks[currentRow][currentColumn].setFlagged(false);
}
updateMineCountDisplay(); // update mine display
}
return true;
}
});
}
}
}
private boolean checkGameWin()
{
for (int row = 1; row < numberOfRowsInMineField + 1; row++)
{
for (int column = 1; column < numberOfColumnsInMineField + 1; column++)
{
if (!blocks[row][column].hasMine() && blocks[row][column].isCovered())
{
return false;
}
}
}
return true;
}
private void updateMineCountDisplay()
{
if (minesToFind < 0)
{
txtMineCount.setText(Integer.toString(minesToFind));
}
else if (minesToFind < 10)
{
txtMineCount.setText("00" + Integer.toString(minesToFind));
}
else if (minesToFind < 100)
{
txtMineCount.setText("0" + Integer.toString(minesToFind));
}
else
{
txtMineCount.setText(Integer.toString(minesToFind));
}
}
private void winGame()
{
stopTimer();
isTimerStarted = false;
isGameOver = true;
minesToFind = 0; //set mine count to 0
//set icon to cool dude
btnSmile.setBackgroundResource(R.drawable.cool);
updateMineCountDisplay(); // update mine count
// disable all buttons
// set flagged all un-flagged blocks
for (int row = 1; row < numberOfRowsInMineField + 1; row++)
{
for (int column = 1; column < numberOfColumnsInMineField + 1; column++)
{
blocks[row][column].setClickable(false);
if (blocks[row][column].hasMine())
{
blocks[row][column].setBlockAsDisabled(false);
blocks[row][column].setFlagIcon(true);
}
}
}
// show message
showDialog("You won in " + Integer.toString(secondsPassed) + " seconds!", 1000, false, true);
}
private void finishGame(int currentRow, int currentColumn)
{
isGameOver = true; // mark game as over
stopTimer(); // stop timer
isTimerStarted = false;
btnSmile.setBackgroundResource(R.drawable.sad);
// show all mines
// disable all blocks
for (int row = 1; row < numberOfRowsInMineField + 1; row++)
{
for (int column = 1; column < numberOfColumnsInMineField + 1; column++)
{
// disable block
blocks[row][column].setBlockAsDisabled(false);
// block has mine and is not flagged
if (blocks[row][column].hasMine() && !blocks[row][column].isFlagged())
{
// set mine icon
blocks[row][column].setMineIcon(false);
}
// block is flagged and doesn"t not have mine
if (!blocks[row][column].hasMine() && blocks[row][column].isFlagged())
{
// set flag icon
blocks[row][column].setFlagIcon(false);
}
// block is flagged
if (blocks[row][column].isFlagged())
{
// disable the block
blocks[row][column].setClickable(false);
}
}
}
// trigger mine
blocks[currentRow][currentColumn].triggerMine();
// show message
showDialog("You tried for " + Integer.toString(secondsPassed) + " seconds!", 1000, false, false);
}
private void setMines(int currentRow, int currentColumn)
{
// set mines excluding the location where user clicked
Random rand = new Random();
int mineRow, mineColumn;
for (int row = 0; row < totalNumberOfMines; row++)
{
mineRow = rand.nextInt(numberOfColumnsInMineField);
mineColumn = rand.nextInt(numberOfRowsInMineField);
if ((mineRow + 1 != currentColumn) || (mineColumn + 1 != currentRow))
{
if (blocks[mineColumn + 1][mineRow + 1].hasMine())
{
row--; // mine is already there, don"t repeat for same block
}
// plant mine at this location
blocks[mineColumn + 1][mineRow + 1].plantMine();
}
// exclude the user clicked location
else
{
row--;
}
}
int nearByMineCount;
// count number of mines in surrounding blocks
for (int row = 0; row < numberOfRowsInMineField + 2; row++)
{
for (int column = 0; column < numberOfColumnsInMineField + 2; column++)
{
// for each block find nearby mine count
nearByMineCount = 0;
if ((row != 0) && (row != (numberOfRowsInMineField + 1)) && (column != 0) && (column != (numberOfColumnsInMineField + 1)))
{
// check in all nearby blocks
for (int previousRow = -1; previousRow < 2; previousRow++)
{
for (int previousColumn = -1; previousColumn < 2; previousColumn++)
{
if (blocks[row + previousRow][column + previousColumn].hasMine())
{
// a mine was found so increment the counter
nearByMineCount++;
}
}
}
blocks[row][column].setNumberOfMinesInSurrounding(nearByMineCount);
}
// for side rows (0th and last row/column)
// set count as 9 and mark it as opened
else
{
blocks[row][column].setNumberOfMinesInSurrounding(9);
blocks[row][column].OpenBlock();
}
}
}
}
private void rippleUncover(int rowClicked, int columnClicked)
{
// don"t open flagged or mined rows
if (blocks[rowClicked][columnClicked].hasMine() || blocks[rowClicked][columnClicked].isFlagged())
{
return;
}
// open clicked block
blocks[rowClicked][columnClicked].OpenBlock();
// if clicked block have nearby mines then don"t open further
if (blocks[rowClicked][columnClicked].getNumberOfMinesInSorrounding() != 0 )
{
return;
}
// open next 3 rows and 3 columns recursively
for (int row = 0; row < 3; row++)
{
for (int column = 0; column < 3; column++)
{
// check all the above checked conditions
// if met then open subsequent blocks
if (blocks[rowClicked + row - 1][columnClicked + column - 1].isCovered()
&& (rowClicked + row - 1 > 0) && (columnClicked + column - 1 > 0)
&& (rowClicked + row - 1 < numberOfRowsInMineField + 1) && (columnClicked + column - 1 < numberOfColumnsInMineField + 1))
{
rippleUncover(rowClicked + row - 1, columnClicked + column - 1 );
}
}
}
return;
}
public void startTimer()
{
if (secondsPassed == 0)
{
timer.removeCallbacks(updateTimeElasped);
// tell timer to run call back after 1 second
timer.postDelayed(updateTimeElasped, 1000);
}
}
public void stopTimer()
{
// disable call backs
timer.removeCallbacks(updateTimeElasped);
}
// timer call back when timer is ticked
private Runnable updateTimeElasped = new Runnable()
{
public void run()
{
long currentMilliseconds = System.currentTimeMillis();
++secondsPassed;
if (secondsPassed < 10)
{
txtTimer.setText("00" + Integer.toString(secondsPassed));
}
else if (secondsPassed < 100)
{
txtTimer.setText("0" + Integer.toString(secondsPassed));
}
else
{
txtTimer.setText(Integer.toString(secondsPassed));
}
// add notification
timer.postAtTime(this, currentMilliseconds);
// notify to call back after 1 seconds
// basically to remain in the timer loop
timer.postDelayed(updateTimeElasped, 1000);
}
};
private void showDialog(String message, int milliseconds, boolean useSmileImage, boolean useCoolImage)
{
// show message
Toast dialog = Toast.makeText(
getApplicationContext(),
message,
Toast.LENGTH_LONG);
dialog.setGravity(Gravity.CENTER, 0, 0);
LinearLayout dialogView = (LinearLayout) dialog.getView();
ImageView coolImage = new ImageView(getApplicationContext());
if (useSmileImage)
{
coolImage.setImageResource(R.drawable.smile);
}
else if (useCoolImage)
{
coolImage.setImageResource(R.drawable.cool);
}
else
{
coolImage.setImageResource(R.drawable.sad);
}
dialogView.addView(coolImage, 0);
dialog.setDuration(milliseconds);
dialog.show();
}
}

複製代碼

加好友 · 發表於 2011-5-16 17:57

感謝大大分享!

加好友 · 發表於 2011-5-18 01:21

GOOD 好耶...有範例可以看..學習又加分了...謝謝大大分享

加好友 · 發表於 2011-5-22 20:50

真是不錯有得玩又可以看程式學習真不賴

加好友 · 發表於 2011-5-23 13:32

3Q 謝謝分享讓我的手機內容更豐富

加好友 · 發表於 2011-6-1 00:47

好軟體喔~

加好友 · 發表於 2011-6-8 22:36

最近在研究類似的範例感謝囉

加好友 · 發表於 2011-6-13 10:38

找了好久.....
值得學習...
謝謝分享...

加好友 · 發表於 2011-6-21 14:45

真的是值的讓我們去學習喔

加好友 · 發表於 2011-6-23 18:35

還在學習中，謝謝！

[遊戲] Android掃雷遊戲源代碼及預覽圖

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