/// <summary>
/// Asynchronously loads the specified region.
/// </summary>
/// <param name="regionX">The X coordinate of the region.</param>
/// <param name="regionY">The Y coordinate of the region.</param>
/// <param name="callback">The callback to call once the region is loaded.</param>
public override void LoadTiles(int regionX, int regionY, Action <FiniteGrid> callback)
{
if (gridSerializer.IsRegionSaved(regionX, regionY))
{
gridSerializer.LoadGrid(regionX, regionY, callback);
return;
}
callback(null);
}
/// <summary>
/// Asynchronously returns the data for a region through the callback. The tiles are either loaded if loading is enabled or generated if loading
/// is not used or that region has not yet been loaded.
/// </summary>
/// <param name="regionX">The X coordinate of the region.</param>
/// <param name="regionY">The Y coordinate of the region.</param>
/// <param name="callback">The callback to call once the region is loaded.</param>
public override void LoadTiles(int regionX, int regionY, Action <FiniteGrid> callback)
{
if (useSave && gridSerializer.IsRegionSaved(regionX, regionY))
{
gridSerializer.LoadGrid(regionX, regionY, callback);
return;
}
LargeRegion largeRegion = GetRegions(regionX, regionY);
if (largeRegion == null)
{
int largeRegionX = Mathf.FloorToInt(regionX / (float)generationRegionWidth) * generationRegionWidth;
int largeRegionY = Mathf.FloorToInt(regionY / (float)generationRegionHeight) * generationRegionHeight;
largeRegion = new LargeRegion {
regionX = largeRegionX,
regionY = largeRegionY,
regionWidth = generationRegionWidth,
regionHeight = generationRegionHeight,
tiles = algorithm.GenerateTiles(
largeRegionX * Grid.REGION_SIZE,
largeRegionY * Grid.REGION_SIZE,
generationRegionWidth * Grid.REGION_SIZE,
generationRegionHeight * Grid.REGION_SIZE
)
};
largeRegions.Add(largeRegion);
if (largeRegions.Count > 15)
{
largeRegions.RemoveRange(0, 7);
}
}
int xOffset = (regionX - largeRegion.regionX) * Grid.REGION_SIZE;
int yOffset = (regionY - largeRegion.regionY) * Grid.REGION_SIZE;
FiniteGrid region2 = new FiniteGrid(regionX, regionY, Grid.REGION_SIZE);
bool empty = true;
for (int i = 0; i < Grid.REGION_SIZE; i++)
{
for (int j = 0; j < Grid.REGION_SIZE; j++)
{
Tile tile = largeRegion.tiles [xOffset + i, yOffset + j];
if (tile.id > 0)
{
empty = false;
}
region2.Set(i, j, tile);
}
}
if (empty)
{
callback(null);
}
else
{
callback(region2);
}
}
