// Constructor
/**
* Constructing a map involves constructing the internal objects layer and the internal block layer.
* The block mask will be immutable, since it will never be modified. OTOH the solid mask (for the objects layer)
* will be mutable. But those layers are initialized inside the tilemap.
*/
public Tilemap(Behaviours.Map relatedMap, uint width, uint height, Texture2D source, int maskApplicationOffsetX = 0, int maskApplicationOffsetY = 0)
{
if (relatedMap == null)
{
throw new NullReferenceException("Related map for tile map must not be null");
}
if (width < 1 || width > MAX_WIDTH || height < 1 || height > MAX_HEIGHT)
{
throw new InvalidDimensionsException(width, height);
}
RelatedMap = relatedMap;
Width = width;
Height = height;
solidMask = new SolidMask(width, height);
if (source != null)
{
Bitmask bitMask = new Bitmask(source);
if (width != bitMask.Width || height != bitMask.Height || maskApplicationOffsetX != 0 || maskApplicationOffsetY != 0)
{
bitMask = bitMask.Translated(width, height, maskApplicationOffsetX, maskApplicationOffsetY);
}
blockMask = bitMask;
}
else
{
blockMask = new Bitmask(width, height);
}
}
private Bitmask ParsePresenceData(Texture2D presenceData, int presenceDataOffsetX, int presenceDataOffsetY)
{
if (presenceData != null)
{
Bitmask parsedPresenceData = new Bitmask(presenceData);
if (Width != presenceData.width || Height != presenceData.width || presenceDataOffsetX != 0 || presenceDataOffsetY != 0)
{
parsedPresenceData = parsedPresenceData.Translated(Width + 1, Height + 1, presenceDataOffsetX, presenceDataOffsetY);
}
return(parsedPresenceData);
}
else
{
return(new Bitmask(Width + 1, Height + 1));
}
}
