private char[][] CreateNextGeneration(SavedBoard board) {
var newGen = new char[board.Layout.Length][];
for (var yAxis = 0; yAxis < board.Layout.Length; yAxis++) {
newGen[yAxis] = new char[board.Layout[0].Length];
AddCellToNewGen(board, yAxis, newGen);
}
return newGen;
}
private void AddCellToNewGen(SavedBoard board, int yAxis, char[][] newGen) {
var neighbors = new char[3][];
for (var xAxis = 0; xAxis < board.Layout[0].Length; xAxis++) {
CreateArrayAroundCell(board, neighbors, yAxis, xAxis);
newGen[yAxis][xAxis] = FindNextCellsNextState(neighbors);
board.AliveCells += CheckIfStateChanged(board, yAxis, xAxis, newGen);
}
}
private bool CheckForBorders(SavedBoard board, int yAxis, int xAxis, int neighborY, int neighborX) {
bool isCrossingTopBorder = neighborY + yAxis - 1 < 0;
bool isCorssingBottomBorder = neighborY + yAxis > board.Layout.Length;
bool isCrossingLeftBorder = neighborX + xAxis - 1 < 0;
bool isCrossingRightBorder = neighborX + xAxis > board.Layout[0].Length;
bool isNotInBorders = isCrossingTopBorder || isCorssingBottomBorder || isCrossingLeftBorder ||
isCrossingRightBorder;
return isNotInBorders;
}
private int CheckIfStateChanged(SavedBoard board, int yAxis, int xAxis, char[][] newGen) {
char prevState = board.Layout[yAxis][xAxis];
if (prevState == newGen[yAxis][xAxis]) {
return 0;
}
if (prevState == 'X') {
return -1;
}
return 1;
}
private void CreateArrayAroundCell(SavedBoard board, char[][] neighbors, int yAxis, int xAxis) {
for (var neighborY = 0; neighborY <= 2; neighborY++) {
neighbors[neighborY] = new char[3];
for (var neighborX = 0; neighborX <= 2; neighborX++) {
bool isNotInBorders = CheckForBorders(board, yAxis, xAxis, neighborY, neighborX);
if (isNotInBorders) {
neighbors[neighborY][neighborX] = ' ';
} else {
neighbors[neighborY][neighborX] = board.Layout[neighborY + yAxis - 1][neighborX + xAxis - 1];
}
}
}
}
public void ChangeBoardState(SavedBoard board) {
board.Generation++;
board.Layout = CreateNextGeneration(board);
}