public static int[] pieces(int numPieces)
{
//--- New version of pieces, which generates the shuffled bag to use in the game; it is
//--- randomly generated instead of static, and includes the new diagonal directions.
int[] a = new int[numPieces]; int randomPiece = 0;
int maxBitPattern = (int)Math.Pow(2, 22) - 1; //by getting random bits of this size, we can make a whole mess of weird pieces.
for (int i = 0; i < numPieces; i++)
{
bool pieceWanted = false;
while (!pieceWanted)
{
// Make a random, but valid, path piece. Its piece number is the array index.
randomPiece = Pieces.randomInt(0, maxBitPattern);
randomPiece &= 0b1111000000000000111111; // zero out house #, person #, piece ID, etc.
randomPiece = Pieces.setPieceNumber(randomPiece, i);
// Throw out pieces that have various non-game-preferred attributes. These are aspects of game play that I might adjust after playing.
int nm = Pieces.numberMoves(randomPiece);
if (nm > 4)
{
continue; // no more than 4 directions
}
if (nm < 2)
{
continue; // No dead-end pieces
}
//-- Some code to alter proportions of pieces....
if (i < 3 * numPieces / 40)
{
randomPiece = Pieces.setAsLake(randomPiece); // 3 in every game are lakes.
}
else if (i < 20 * numPieces / 40)
{
if (nm != 2)
{
continue;
}
} // then pieces 4 through 20 are two-roads
else if (i < 30 * numPieces / 40)
{
if (nm != 3)
{
continue;
}
} // 20-30 are three-roads
else
{
if (nm != 4)
{
continue;
}
} // rest are 4-roads
//-- not too many coins
if (Pieces.rnd.NextDouble() < 0.3)
{
randomPiece = Pieces.takeCoins(randomPiece);
} // 30% of the time coins get buried...
//-- Below, we don't want very many pieces with, say, 3 straight lines and 1 diagonal. Two-move pieces with one straight and one diagonal are fine, and can be used to convert straight to diagonal.
if (Pieces.numberMovesHV(randomPiece) == 1 && Pieces.numberMoves(randomPiece) > 2 && Pieces.rnd.NextDouble() > 0.75)
{
continue;
}
if (Pieces.numberMovesDiag(randomPiece) == 1 && Pieces.numberMoves(randomPiece) > 2 && Pieces.rnd.NextDouble() > 0.75)
{
continue;
}
//-- not too scrunched up of a piece
int[] maxmin = Pieces.minMaxRoads(randomPiece);
int mmDiff = Math.Abs(maxmin[0] - maxmin[1]);
if (nm == 2 && (mmDiff < 2 || (maxmin[0] == 0 && maxmin[1] == 7)))
{
continue;
}
if (nm == 3 && (mmDiff < 5))
{
continue;
}
// We like this piece
pieceWanted = true;
}
a[i] = randomPiece;
}
Pieces.shuffleArray(a);
return(a);
}