public Field(int width, int height, Snake snake, WallSetting settings)
{
setField(width, height);
wallsetting = settings;
SetWalls(wallsetting);
this.snake = snake;
setSnake(snake);
GenerateFood();
snake.checkNextMove += CheckNextMove;
snake.snakeMoved += OnSnakeMoved;
snake.foodEaten += FoodEaten;
}
public void setNewWallSetting(WallSetting ws)
{
this.wallsetting = ws;
setNewField(Width, Height);
}
private void SetWalls(WallSetting settings)
{
int iteration_times = 100;
switch (settings)
{
case WallSetting.None:
return;
case WallSetting.Low:
iteration_times = 50;
break;
case WallSetting.Medium:
iteration_times = 100;
break;
case WallSetting.High:
iteration_times = 200;
break;
}
int x1 = 1;
int x2 = Width - 1;
int y1 = 1;
int y2 = Height - 1;
int maxLength = Width - 2;
for(int iter = 0; iter < iteration_times; iter++)
{
int x = rand.Next(x1, x2);
int y = rand.Next(y1, y2);
int L = rand.Next(2, maxLength + 1);
Direction d = (Direction) rand.Next(0, 4);
Point[] cells = new Point[L];
switch(d)
{
case Direction.Up:
for(int i = 0; i < L; i++)
{
cells[i].x = x;
cells[i].y = y - i;
}
break;
case Direction.Down:
for(int i = 0; i < L; i++)
{
cells[i].x = x;
cells[i].y = y + i;
}
break;
case Direction.Left:
for (int i = 0; i < L; i++)
{
cells[i].x = x - i;
cells[i].y = y;
}
break;
case Direction.Right:
for (int i = 0; i < L; i++)
{
cells[i].x = x + i;
cells[i].y = y;
}
break;
}
bool possibleWall = true;
foreach(Point pt in cells)
{
if ( !inFieldRange(pt.x, pt.y) ||
existNearbyWalls(pt.x, pt.y) ||
atEdge(pt.x, pt.y)
)
{
possibleWall = false;
break;
}
}
if(possibleWall)
{
foreach (Point pt in cells)
field[pt.x, pt.y] = FieldState.Wall;
}
} // end for( ... iter < iteration_times ... )
} // void SetWalls()
public void setNewField(Settings settings)
{
this.wallsetting = settings.wallsetting;
setNewField(settings.fieldWidth, settings.fieldHeight);
}
