/**
* Parse file and render buildings when scene starts
*/
private void Start()
{
Caching.ClearCache();
//hide and lock cursor into center
UiUtils.HideCursor();
TutorialUtils.InitTutorial(TutorialCanvas, Settings);
BuildingPickerCanvas.SetActive(false);
ExitCanvasDialog.SetActive(false);
//load XML file tags
var xmlFile = new XmlDocument();
//load file
xmlFile.Load(FileUtils.GetFullMapPath(Map.MapName));
//get node and way tags
var nodeTags = xmlFile.SelectNodes(".//node");
var wayTags = xmlFile.SelectNodes(".//way");
//cache IDs in node tag for coordinate pairing
var nodeTagIds = CacheNodeTagIds(nodeTags);
//parse building and roads
var buildings = BuildingLoader.Get().LoadFile(nodeTags, nodeTagIds, wayTags);
var roads = RoadLoader.Get().LoadFile(nodeTags, nodeTagIds, wayTags);
var trees = TreeLoader.Get().LoadFile();
var mapMiddlePoint = GetMiddlePoint(buildings, roads);
//download elevation data
AltitudeLoader.Get().SetAltitude(TerrainUtils.GetLatLngGrid(mapMiddlePoint));
//render terrain, buildings, roads etc.
StartCoroutine(RenderObjects(mapMiddlePoint, buildings, roads, trees));
}
/**
* Transform ElevationAPI data into terrain heights
*/
private float[,] ConvertHeights()
{
var heights = AltitudeLoader.Get().AltitudeData;
var convertedHeights = new float[TerrainUtils.MapWidth, TerrainUtils.MapHeight];
var maxValue = heights.Max(x => x.Elevation);
var minValue = heights.Min(y => y.Elevation);
var heightsIndex = 0;
for (var i = 0; i < TerrainUtils.MapWidth; i++)
{
for (var j = 0; j < TerrainUtils.MapHeight; j++)
{
//creating of terrain edges
if (i == 0 || j == 0 || i == TerrainUtils.MapWidth - 1 || j == TerrainUtils.MapWidth - 1)
{
convertedHeights[i, j] = 0;
}
else
{
convertedHeights[i, j] = (heights[heightsIndex].Elevation - minValue) / (maxValue - minValue);
}
++heightsIndex;
}
}
return(convertedHeights);
}