private static TileLayer GenerateTileLayer(XElement element, bool isInfinate, int tileWidth, int tileHeight)
{
string name = XMLHelperFuncs.GetStringFromAttribute(element, "name");
int layerWidth = XMLHelperFuncs.GetIntFromAttribute(element, "width");
int layerHeight = XMLHelperFuncs.GetIntFromAttribute(element, "height");
// These attributes don't necisarially exist in the file.
// So if we don't we set what it's default value 'should' be.
bool visible = XMLHelperFuncs.GetBoolFromAttribute(element, "visible", true);
bool locked = XMLHelperFuncs.GetBoolFromAttribute(element, "locked");
float opacity = XMLHelperFuncs.GetFloatFromAttribute(element, "opacity", 1.0f);
float horizontalOffset = XMLHelperFuncs.GetFloatFromAttribute(element, "offsetx", 0.0f);
float verticalOffset = XMLHelperFuncs.GetFloatFromAttribute(element, "offsety", 0.0f);
TileLayer layer;
string encodedData = "";
DataEncoding dataEncoding = DataEncoding.CSV;
// The encoding attribute only exists if data isn't in XML format
if (XMLHelperFuncs.DoesAttributeExist(element.Element("data"), "encoding"))
{
string strDataEncoding = XMLHelperFuncs.GetStringFromAttribute(element.Element("data"), "encoding");
switch (strDataEncoding)
{
case ("csv"):
dataEncoding = DataEncoding.CSV;
break;
case ("base64"):
if (XMLHelperFuncs.DoesAttributeExist(element.Element("data"), "compression"))
{
if (XMLHelperFuncs.GetStringFromAttribute(element.Element("data"), "compression") == "gzip")
{
dataEncoding = DataEncoding.BASE64GZIP;
}
else if (XMLHelperFuncs.GetStringFromAttribute(element.Element("data"), "compression") == "zlib")
{
dataEncoding = DataEncoding.BASE64ZLIB;
}
else
{
//Todo: report error that compression is unknown
}
}
else
{
dataEncoding = DataEncoding.BASE64;
}
break;
default:
//Todo: report error that encoding is unkown
break;
}
}
else
{
dataEncoding = DataEncoding.XML;
}
layer = new TileLayer(name,
layerWidth,
layerHeight,
tileWidth,
tileHeight,
encodedData,
dataEncoding,
visible,
locked,
opacity,
horizontalOffset,
verticalOffset);
// Decode and add data
if (!isInfinate)
{
if (dataEncoding != DataEncoding.XML)
{
encodedData = XMLHelperFuncs.GetStringFromElement(element, "data");
layer.AddMapChunk <string>(encodedData, 0, 0, layerWidth, layerHeight, tileWidth, tileHeight, dataEncoding);
}
else
{
encodedData = "";
XElement dataElement = XMLHelperFuncs.GetElement(element, "data");
layer.AddMapChunk(dataElement, 0, 0, layerWidth, layerHeight, tileWidth, tileHeight, dataEncoding);
}
}
else
{
if (dataEncoding != DataEncoding.XML)
{
foreach (var chunkElement in XMLHelperFuncs.GetElement(element, "data").Elements())
{
int x = XMLHelperFuncs.GetIntFromAttribute(chunkElement, "x");
int y = XMLHelperFuncs.GetIntFromAttribute(chunkElement, "y");
int width = XMLHelperFuncs.GetIntFromAttribute(chunkElement, "width");
int height = XMLHelperFuncs.GetIntFromAttribute(chunkElement, "height");
string tempEncodedData = chunkElement.Value.ToString();
layer.AddMapChunk(tempEncodedData, x, y, width, height, tileWidth, tileHeight, dataEncoding);
}
}
else
{
encodedData = "";
//Todo
}
}
return(layer);
}
