private void MoveCurrent(int ThisPop, ref MazeCell Current, ref MyStack stack)
{
// SET CURRENT - setMove in opposite direction because we are revearsing
// 1 = W, 2 = S, 3 = E, 4 = N
switch (ThisPop)
{
case -1:
// TODO: Fix recursion loop if stack.Top() fails to be a listed case
MoveCurrent(stack.Top(), ref Current, ref stack);
break;
case 1:
Current.MoveEast();
break;
case 2:
Current.MoveNorth();
break;
case 3:
Current.MoveWest();
break;
case 4:
Current.MoveSouth();
break;
default:
// ERROR - Unidentified Direction or Choice
break;
}
}
private void TakeNextStep(ref MazeCell Current, int[] next, ref MyStack stack)
{
// Directions are based off of how NEXT is set during CHECK-AROUND method
if (Current.Column > next[0] && Current.Row == next[1])
{
// Go West = 1
stack.Push(1);
ChangeTile(Current);
Current.MoveWest();
}
else if (Current.Column == next[0] && Current.Row < next[1])
{
// Go South = 2
stack.Push(2);
ChangeTile(Current);
Current.MoveSouth();
}
else if (Current.Column < next[0] && Current.Row == next[1])
{
// Go East = 3
stack.Push(3);
ChangeTile(Current);
Current.MoveEast();
}
else if (Current.Column == next[0] && Current.Row > next[1])
{
// Go North = 4
stack.Push(4);
ChangeTile(Current);
Current.MoveNorth();
}
else
{
if (next[0] == -1 || next[1] == -1)
{
// NO PATH
RewindPath(ref stack, ref Current);
}
else
{
// Error in Path
}
}
}