/// <summary>
/// Constructs a new Map model from a matrix of tiles.
/// </summary>
/// <param name="map">The matrix of tiles that will form the map</param>
public Map(Tile[,] map)
{
this.map = map;
this.width = map.GetLength(0);
this.height = map.GetLength(1);
}
/// <summary>
/// This is a recurisve method that each call creates a new tile for the
/// specific terrain type to spread. It will call itself until the number of
/// tiles to spread is zero or less. The spread works by randomly choose
/// a direction as seen futher down.
/// </summary>
/// <param name="tileMatrix"></param>
/// <param name="xCoord"></param>
/// <param name="yCoord"></param>
/// <param name="numberOfTiles"></param>
/// <param name="type"></param>
/// <param name="randomer"></param>
private static void SpreadTiles(Tile[,] tileMatrix, int xCoord,
int yCoord, int numberOfTiles, Globals.TerrainTypes type,
Random randomer)
{
tileMatrix[xCoord, yCoord] = new Tile(xCoord, yCoord, type);
//X represents the adjecent tiles, O is the current tile
// X = 1
//2 = X O X = 3
// 4 = X
//
if (numberOfTiles<=0 || !(xCoord > 1 && xCoord < tileMatrix.GetLength(0)-1 && yCoord > 1 && yCoord < tileMatrix.GetLength(1)-1))
{
return;
}
switch (randomer.Next(4))
{
case 0:
SpreadTiles(tileMatrix, xCoord, yCoord - 1,
numberOfTiles - 1, type, randomer);
break;
case 1:
SpreadTiles(tileMatrix, xCoord - 1, yCoord,
numberOfTiles - 1, type, randomer);
break;
case 2:
SpreadTiles(tileMatrix, xCoord + 1, yCoord,
numberOfTiles - 1, type, randomer);
break;
case 3:
SpreadTiles(tileMatrix, xCoord, yCoord + 1,
numberOfTiles - 1, type, randomer);
break;
}
}
