void MakeWall(Mass m, Direction4 d)
{
int newI = m.I, newJ = m.J;
switch (d)
{
case Direction4.Up: newI = m.I - 1; break;
case Direction4.Right: newJ = m.J + 1; break;
case Direction4.Down: newI = m.I + 1; break;
case Direction4.Left: newJ = m.J - 1; break;
}
maze[newI, newJ].MassState = State.Wall;
}
protected override List<Direction4> SurveyDirection(Mass m)
{
int i = m.I, j = m.J;
List<Direction4> directions = new List<Direction4>();
if (i > 1 && m.Label != maze[i - 2, j].Label)
directions.Add(Direction4.Up);
if (i < mazeHeight - 2 && m.Label != maze[i + 2, j].Label)
directions.Add(Direction4.Down);
if (j > 1 && m.Label != maze[i, j - 2].Label)
directions.Add(Direction4.Left);
if (j < mazeWidth - 2 && m.Label != maze[i, j + 2].Label)
directions.Add(Direction4.Right);
return directions;
}
protected override List<Direction4> SurveyDirection(Mass m)
{
int i = m.I, j = m.J;
List<Direction4> directions = new List<Direction4>();
if (i > 1 && (maze[i - 2, j].MassState == State.Empty || maze[i - 2, j].MassState == State.Wall))
directions.Add(Direction4.Up);
if (i < mazeHeight - 2 && (maze[i + 2, j].MassState == State.Empty || maze[i + 2, j].MassState == State.Wall))
directions.Add(Direction4.Down);
if (j > 1 && (maze[i, j - 2].MassState == State.Empty || maze[i, j - 2].MassState == State.Wall))
directions.Add(Direction4.Left);
if (j < mazeWidth - 2 && (maze[i, j + 2].MassState == State.Empty || maze[i, j + 2].MassState == State.Wall))
directions.Add(Direction4.Right);
return directions;
}
protected override List<Direction4> SurveyDirection(Mass m)
{
int i = m.I, j = m.J;
List<Direction4> directions = new List<Direction4>();
if (i == 2 && maze[i - 1, j].MassState == State.Empty)
directions.Add(Direction4.Up);
if (i < mazeHeight - 1 && maze[i + 1, j].MassState == State.Empty)
directions.Add(Direction4.Down);
if (j > 0 && maze[i, j - 1].MassState == State.Empty)
directions.Add(Direction4.Left);
if (j < mazeWidth - 1 && maze[i, j + 1].MassState == State.Empty)
directions.Add(Direction4.Right);
return directions;
}
Mass MakeNewRoad(Mass m, Direction4 d)
{
int i = m.I, j = m.J;
int newI = i, newJ = j;
switch (d)
{
case Direction4.Up: newI = i - 2; break;
case Direction4.Right: newJ = j + 2; break;
case Direction4.Down: newI = i + 2; break;
case Direction4.Left: newJ = j - 2; break;
}
maze[newI, newJ].MassState = State.Empty;
return maze[newI, newJ];
}
int BreakWall(Mass m, Direction4 d, Dictionary<int, List<Mass>> clustering)
{
int i = m.I, j = m.J;
int newI = i, newJ = j;
Mass newMass = null;
switch (d)
{
case Direction4.Up: newI = i - 1; newMass = maze[i - 2, j]; break;
case Direction4.Right: newJ = j + 1; newMass = maze[i, j + 2]; break;
case Direction4.Down: newI = i + 1; newMass = maze[i + 2, j]; break;
case Direction4.Left: newJ = j - 1; newMass = maze[i, j - 2]; break;
}
int minLabel = Math.Min(m.Label, newMass.Label),
maxLabel = Math.Max(m.Label, newMass.Label);
maze[newI, newJ].MassState = State.Empty;
if (clustering.ContainsKey(maxLabel))
clustering[maxLabel].ForEach(c => c.Label = minLabel);
return maxLabel;
}
Mass MakeNewWall(Mass m, Direction4 direction)
{
int i = m.I, j = m.J;
int newI = i, newJ = j;
switch (direction)
{
case Direction4.Up: newI = i - 2; break;
case Direction4.Right: newJ = j + 2; break;
case Direction4.Down: newI = i + 2; break;
case Direction4.Left: newJ = j - 2; break;
}
if (maze[newI, newJ].MassState != State.Wall)
maze[newI, newJ].MassState = State.NewWall;
return maze[newI, newJ];
}