kmahjongg.cpp

四川麻将程序代码

}



// ---------------------------------------------------------
void BoardWidget::drawBoard(bool )
{

   updateBackBuffer=true;
   repaint(0,0,-1,-1,false);
   drawTileNumber();
}

// ---------------------------------------------------------
void BoardWidget::putTile( POSITION& Pos, bool doRepaint )
{
    short E=Pos.e;
    short Y=Pos.y;
    short X=Pos.x;

	// we ensure that any tile we put on has highlighting off
    Game.putTile( E, Y, X, Pos.f );
	Game.hilighted[E][Y][X] = 0;
    if (doRepaint) {
	updateBackBuffer=true;
       repaint(0,0,-1,-1, false);
    }
}


// ---------------------------------------------------------
void BoardWidget::removeTile( POSITION& Pos , bool doRepaint)
{

    short E = Pos.e;
    short Y = Pos.y;
    short X = Pos.x;

    Game.TileNum--;                    // Eine Figur weniger
    Game.MoveList[Game.TileNum] = Pos; // Position ins Protokoll eintragen



    // remove tile from game board
    Game.putTile( E, Y, X, 0 );
    if (doRepaint) {
	updateBackBuffer=true;
    	repaint(0,0,-1, -1, false);
    }
}

// ---------------------------------------------------------
void BoardWidget::mousePressEvent ( QMouseEvent* event )
{
    if (gamePaused)
	return;

    if( event->button() == LeftButton )
    {
        if( TimerState == Demo )
	{
            stopDemoMode();
        }
        else if( showMatch )
	{
            stopMatchAnimation();
        }

        if( MouseClickPos1.e == BoardLayout::depth )       // first tile
	{
            transformPointToPosition( event->pos(), MouseClickPos1 );



            if( MouseClickPos1.e != BoardLayout::depth && showMatch )
            {
                matchCount = findAllMatchingTiles( MouseClickPos1 );
                TimerState = Match;
                iTimerStep = 1;
                matchAnimationTimeout();
				cheatsUsed++;
            }
        }
        else                                // second tile
        {
            transformPointToPosition( event->pos(), MouseClickPos2 );
            if( MouseClickPos2.e == BoardLayout::depth )
            {
                cancelUserSelectedTiles();
            }
            else
            {
                if( isMatchingTile( MouseClickPos1, MouseClickPos2 ) )
                {
		    // update the removed tiles (we do this before the remove below
		    // so that we only require 1 screen paint for both actions)
		    setRemovedTilePair(MouseClickPos1, MouseClickPos2);

		    // now we remove the tiles from the board
                    removeTile(MouseClickPos1, false);
                    removeTile(MouseClickPos2);

		    // removing a tile means redo is impossible without
		    // a further undo.
		    Game.allow_redo=false;
		    demoModeChanged(false);
                    drawTileNumber();

                    // if no tiles are left, the player has `won`, so celebrate
                    if( Game.TileNum == 0 )
                    {
						
                        KMessageBox::information(this, i18n("Game over: You have won!"));
                        animateMoveList();
			gameOver(Game.MaxTileNum,cheatsUsed);
                    }
                    // else if no more moves are possible, display the sour grapes dialog
                    else if( ! findMove( TimerPos1, TimerPos2 ) )
                    {
                        KMessageBox::information(this, i18n("Game over: You have no moves left"));
                    }
                }
                else
                {
                    // redraw tiles in normal state
                    hilightTile( MouseClickPos1, false, false );
                    hilightTile( MouseClickPos2, false );
                }
                MouseClickPos1.e = BoardLayout::depth;     // mark tile position as invalid
                MouseClickPos2.e = BoardLayout::depth;
            }
        }
    }
}


// ----------------------------------------------------------
/**
    Transform window point to board position.

    @param  point          Input: Point in window coordinates
    @param  MouseClickPos  Output: Position in game board
*/
void BoardWidget::transformPointToPosition(
        const QPoint& point,
        POSITION&     MouseClickPos
    )
{
    short E,X,Y;

    // iterate over E coordinate from top to bottom
    for( E=BoardLayout::depth-1; E>=0; E-- )
    {
        // calculate mouse coordiantes --> position in game board
	// the factor -theTiles.width()/2 must keep track with the
	// offset for blitting in the print Event (FIX ME)
        X = ((point.x()-theTiles.width()/2)- (E+1)*theTiles.shadowSize()) / theTiles.qWidth();
        Y = ((point.y()-theTiles.height()/2) + E*theTiles.shadowSize()) / theTiles.qHeight();


	// changed to allow x == 0
        // skip when position is illegal
        if (X<0 || X>=BoardLayout::width || Y<0 || Y>=BoardLayout::height)
		continue;

        //
        switch( Game.Mask[E][Y][X] )
        {
            case (UCHAR)'3':    X--;Y--;
                                break;

            case (UCHAR)'2':    X--;
                                break;

            case (UCHAR)'4':    Y--;
                                break;

            case (UCHAR)'1':    break;

            default :           continue;
        }
        // if gameboard is empty, skip
        if ( ! Game.Board[E][Y][X] ) continue;
        // tile must be 'free' (nothing left, right or above it)
        if( E < 4 )
        {
            if( Game.Board[E+1][Y][X]   || Game.Board[E+1][Y+1][X] ||
                (X<BoardLayout::width-2 && Game.Board[E+1][Y][X+1]) ||
	        (X<BoardLayout::width-2 && Game.Board[E+1][Y+1][X+1]) )
                continue;
        }

	// No left test on left edge
        if (( X > 0) && (Game.Board[E][Y][X-1] || Game.Board[E][Y+1][X-1])) {
		if ((X<BoardLayout::width-2) && (Game.Board[E][Y][X+2] || Game.Board[E][Y+1][X+2])) {
	

            	continue;
		}
	}

        // here, position is legal
        MouseClickPos.e = E;
        MouseClickPos.y = Y;
        MouseClickPos.x = X;
        MouseClickPos.f = Game.Board[E][Y][X];
        // give visible feedback
        hilightTile( MouseClickPos );
        break;
    }
}

// ---------------------------------------------------------
bool BoardWidget::loadBoard( )
{
    GAMEDATA newGame;

    memset( &newGame, 0, sizeof( newGame ) );
    theBoardLayout.copyBoardLayout((UCHAR *) newGame.Mask, newGame.MaxTileNum);
    Game = newGame;
    return(true);
}

// ---------------------------------------------------------
void BoardWidget::setStatusText( const QString & pszText )
{
    emit statusTextChanged( pszText, gameGenerationNum );
}



// ---------------------------------------------------------
bool BoardWidget::loadBackground(
        const QString& pszFileName,
        bool        bShowError
    )
{
    if( ! theBackground.load( pszFileName, requiredWidth(), requiredHeight()) )
    {
        if( bShowError )
            KMessageBox::sorry(this, i18n("Failed to load image:\n%1").arg(pszFileName) );
        return( false );
    }
    preferences.setBackground(pszFileName);
    return( true );
}

// ---------------------------------------------------------
void BoardWidget::drawTileNumber()
{
    emit tileNumberChanged( Game.MaxTileNum, Game.TileNum );
}

// ---------------------------------------------------------
void BoardWidget::cancelUserSelectedTiles()
{
    if( MouseClickPos1.e != BoardLayout::depth )
    {
        hilightTile( MouseClickPos1, false ); // redraw tile
        MouseClickPos1.e = BoardLayout::depth;    // mark tile invalid
    }
}

// ---------------------------------------------------------

void BoardWidget::setRemovedTilePair(POSITION &a, POSITION &b) {

	if (isFlower(a.f)) {
		removedFlower[a.f-TILE_FLOWER]++;
		removedFlower[b.f-TILE_FLOWER]++;
		return;
	}

	if (isSeason(a.f)) {
		removedSeason[a.f-TILE_SEASON]++;
		removedSeason[b.f-TILE_SEASON]++;
		return;
	}
	if (isCharacter(a.f)) {
		removedCharacter[a.f - TILE_CHARACTER]+=2;
		return;
	}

	if (isBamboo(a.f)) {
		removedBamboo[a.f - TILE_BAMBOO]+=2;
		return;
	}
	if (isRod(a.f)) {
		removedRod[a.f - TILE_ROD]+=2;
		return;
	}
	if (isDragon(a.f)){
		removedDragon[a.f - TILE_DRAGON]+=2;
		return;
	}
	if (isWind(a.f)){
		removedWind[a.f - TILE_WIND]+=2;
		return;
	}
}

void BoardWidget::clearRemovedTilePair(POSITION &a, POSITION &b) {

        if (isFlower(a.f)) {
                removedFlower[a.f-TILE_FLOWER]--;
                removedFlower[b.f-TILE_FLOWER]--;
                return;
        }

        if (isSeason(a.f)) {
                removedSeason[a.f-TILE_SEASON]--;
                removedSeason[b.f-TILE_SEASON]--;
                return;
        }
        if (isCharacter(a.f)) {
                removedCharacter[a.f - TILE_CHARACTER]-=2;
                return;
        }

        if (isBamboo(a.f)) {
                removedBamboo[a.f - TILE_BAMBOO]-=2;
                return;
        }
        if (isRod(a.f)){
                removedRod[a.f - TILE_ROD]-=2;
                return;
        }
        if (isDragon(a.f)){
                removedDragon[a.f - TILE_DRAGON]-=2;
                return;
        }
        if (isWind(a.f)){
                removedWind[a.f - TILE_WIND]-=2;
                return;
        }
}


void BoardWidget::initialiseRemovedTiles(void) {
	for (int pos=0; pos<9; pos++) {
		removedCharacter[pos]=0;
		removedBamboo[pos]=0;
		removedRod[pos]=0;
		removedDragon[pos %3] = 0;
		removedFlower[pos % 4] = 0;
		removedWind[pos % 4] = 0;
		removedSeason[pos % 4] = 0;
		
	}

}

// ---------------------------------------------------------
void BoardWidget::showMessage( const QString& pszText )
{
    emit message( pszText );
}



bool BoardWidget::loadTileset(const QString &path) {

  if (theTiles.loadTileset(path)) {
    preferences.setTileset(path);
    return(true);
  } else {
    return(false);
  }

}

bool BoardWidget::loadBoardLayout(const QString &file) {
  if (theBoardLayout.loadBoardLayout(file)) {
	preferences.setLayout(file);
	return true;
  } else {
	return false;
  }
}

void BoardWidget::updateScaleMode(void) {


	theBackground.scaleModeChanged();
}



// calculate the required window width (board + removed tiles)
int BoardWidget::requiredWidth(void) {
	int res = ((BoardLayout::width+12)* theTiles.qWidth());

	return(res);
}

// calculate the required window height (board + removed tiles)
int BoardWidget::requiredHeight(void) {

	int res = ((BoardLayout::height+3)* theTiles.qHeight());
	return(res);
}

void BoardWidget::tileSizeChanged(void) {
	theTiles.setScaled(preferences.miniTiles());
	theBackground.sizeChanged(requiredWidth(), requiredHeight());

}

// shuffle the remaining tiles around, useful if a deadlock ocurrs
// this is a big cheat so we penalise the user.
void BoardWidget::shuffle(void) {
	int count = 0;
	// copy positions and faces of the remaining tiles into
	// the pos table
	for (int e=0; e<BoardLayout::depth; e++) {
	    for (int y=0; y<BoardLayout::height; y++) {
		for (int x=0; x<BoardLayout::width; x++) {
		    if (Game.Board[e][y][x] && Game.Mask[e][y][x] == '1') {
			PosTable[count].e = e;
			PosTable[count].y = y;
			PosTable[count].x = x;
			PosTable[count].f = Game.Board[e][y][x];
			count++;
		    }
		}
	    }

	}


	// now lets randomise the faces, selecting 400 pairs at random and
	// swapping the faces.
	for (int ran=0; ran < 400; ran++) {
		int pos1 = random.getLong(count);
		int pos2 = random.getLong(count);
		if (pos1 == pos2)
			continue;
		BYTE f = PosTable[pos1].f;
		PosTable[pos1].f = PosTable[pos2].f;
		PosTable[pos2].f = f;
	}

	// put the rearranged tiles back.
	for (int p=0; p<count; p++)
		Game.putTile(PosTable[p]);


	// force a redraw
	
	updateBackBuffer=true;
       repaint(0,0,-1,-1, false);


	// I consider this s very bad cheat so, I punish the user
	// 300 points per use
	cheatsUsed += 15;
}