/**
* Read a level from an XML document.
*/
private PipeElement[,] instanciateLevelFromXml(TextAsset document)
{
XmlDocument xml = new XmlDocument();
PipeElement[,] grid = new PipeElement[GRID_SIZE, GRID_SIZE];
// load the document and get the level(s)
xml.LoadXml(document.text);
XmlNodeList levelNodes = xml.GetElementsByTagName("level");
XmlAttribute levelEstimatedTime = levelNodes[0].Attributes["estimatedTime"];
if (levelEstimatedTime != null)
{
// use it as the base time for countdown timer
timebar.maxTime = int.Parse(levelEstimatedTime.Value);
}
// start and destination pipes
// TODO init
XmlNodeList pipeNodes = levelNodes[0].ChildNodes;
foreach (XmlNode curNode in pipeNodes)
{
if (curNode.Name == "pipe")
{
int x = 0;
int y = 0;
PipeElement.Orientation orientation = PipeElement.Orientation.NORTH;
PipeElement.Type type = PipeElement.Type.PIPE_I;
// add the pipe if possible
x = int.Parse(curNode.Attributes["x"].Value);
y = int.Parse(curNode.Attributes["y"].Value);
switch (curNode.Attributes["type"].Value)
{
case "L":
type = PipeElement.Type.PIPE_L;
break;
case "I":
type = PipeElement.Type.PIPE_I;
break;
case "in":
type = PipeElement.Type.PIPE_IN;
break;
case "out":
type = PipeElement.Type.PIPE_OUT;
break;
}
XmlAttribute dirAttribute = curNode.Attributes["dir"];
if (dirAttribute == null)
{
orientation = OrientationMethods.randomOrientation();
}
else
{
orientation = OrientationMethods.fromString(dirAttribute.Value);
}
if (x >= 0 && x < GRID_SIZE && y >= 0 && y < GRID_SIZE)
{
// add the new pipe to the grid, and set its neighbors
PipeElement toAdd = new PipeElement(type, orientation);
grid[x, y] = toAdd;
if (toAdd.type == PipeElement.Type.PIPE_IN)
{
inputX = x;
inputY = y;
inputOrientation = orientation;
}
else if (toAdd.type == PipeElement.Type.PIPE_OUT)
{
outputX = x;
outputY = y;
outputOrientation = orientation;
}
// set neighbors
// TODO neighbors
}
}
else
{
}
}
return(grid);
}
