/// <summary>
/// Initializes a new instance of the <see cref = "GridWorld" /> class.
/// </summary>
/// <param name = "boundingBox">
/// The bounding box defines the world's size.
/// </param>
/// <param name = "tileDimensions">
/// The tile dimensions.
/// </param>
/// <param name = "itemCache">
/// The cache for all <see cref = "Item">Items</see> in this world.
/// </param>
public GridWorld(BoundingBox boundingBox, Vector tileDimensions, ItemCache itemCache)
{
// 2D grid: extend Z to max possible
this.rectangleArea = new BoundingBox
{
Min = new Vector { X = boundingBox.Min.X, Y = boundingBox.Min.Y, Z = int.MinValue },
Max = new Vector { X = boundingBox.Max.X, Y = boundingBox.Max.Y, Z = int.MaxValue }
};
var size = new Vector { X = boundingBox.Max.X - boundingBox.Min.X + 1, Y = boundingBox.Max.Y - boundingBox.Min.Y + 1 };
if (tileDimensions.X <= 0)
{
tileDimensions.X = size.X;
}
if (tileDimensions.Y <= 0)
{
tileDimensions.Y = size.Y;
}
this.tileDimensions = tileDimensions;
this.tileSize = new Vector { X = tileDimensions.X - 1, Y = tileDimensions.Y - 1 };
this.itemCache = itemCache;
var regionsX = (int)Math.Ceiling(size.X / (double)tileDimensions.X);
var regionsY = (int)Math.Ceiling(size.Y / (double)tileDimensions.Y);
this.worldRegions = new Region[regionsX][];
Vector current = boundingBox.Min;
for (int x = 0; x < regionsX; x++)
{
this.worldRegions[x] = new Region[regionsY];
for (int y = 0; y < regionsY; y++)
{
this.worldRegions[x][y] = new Region(current);
current.Y += tileDimensions.Y;
}
current.X += tileDimensions.X;
current.Y = boundingBox.Min.Y;
}
}
/// <summary>
/// Initializes a new instance of the <see cref = "GridWorld" /> class.
/// </summary>
/// <param name = "corner1">
/// One corner of the world.
/// </param>
/// <param name = "corner2">
/// The other corner of the world.
/// </param>
/// <param name = "tileDimensions">
/// The tile dimensions.
/// </param>
/// <param name = "itemCache">
/// The cache for all <see cref = "Item">Items</see> in this world.
/// </param>
public GridWorld(Vector corner1, Vector corner2, Vector tileDimensions, ItemCache itemCache)
: this(BoundingBox.CreateFromPoints(corner1, corner2), tileDimensions, itemCache)
{
}
