private void ProcessFeature(int index, CustomTile tile, BuildingMeshBuilderProperties layerProperties)
{
var layerExtent = layerProperties.VectorTileLayer.Extent;
var fe = layerProperties.VectorTileLayer.GetFeature(index);
List <List <Point2d <float> > > geom;
if (layerProperties.BuildingsWithUniqueIds)
{
geom = fe.Geometry <float>();
if (geom[0][0].X <0 || geom[0][0].X> layerExtent || geom[0][0].Y <0 || geom[0][0].Y> layerExtent)
{
return;
}
}
else
{
geom = fe.Geometry <float>(0); //passing zero means clip at tile edge
}
var feature = new CustomFeatureUnity(
layerProperties.VectorTileLayer.GetFeature(index),
geom,
tile,
layerProperties.VectorTileLayer.Extent,
layerProperties.BuildingsWithUniqueIds);
if (!IsFeatureEligibleAfterFiltering(feature, layerProperties) ||
tile == null || tile.VectorDataState == TilePropertyState.Cancelled)
{
return;
}
if (feature.Properties.ContainsKey("extrude") && !Convert.ToBoolean(feature.Properties["extrude"]))
{
return;
}
if (feature.Points.Count < 1)
{
return;
}
_processor.Execute(tile, feature);
}
public void Execute(CustomTile tile, CustomFeatureUnity feature)
{
var meshData = new MeshData {
TileRect = tile.Rect
};
if (!_accumulation.ContainsKey(tile))
{
_accumulation.Add(tile, new MeshData
{
Edges = new List <int>(),
Normals = new List <Vector3>(),
Tangents = new List <Vector4>(),
Triangles = new List <List <int> > {
new List <int>()
},
UV = new List <List <Vector2> > {
new List <Vector2>()
},
Vertices = new List <Vector3>()
});
_indices.Add(tile, 0);
}
foreach (var modifier in _modifiers)
{
modifier.Run((VectorFeatureUnity)feature, meshData);
}
if (_accumulation[tile].Vertices.Count + meshData.Vertices.Count < 65000)
{
Append(tile, meshData);
}
else
{
Terminate(tile, meshData);
}
}
private static bool IsFeatureEligibleAfterFiltering(CustomFeatureUnity feature, BuildingMeshBuilderProperties layerProperties)
{
return(layerProperties.LayerFeatureFilters.Length < 1 || layerProperties.LayerFeatureFilterCombiner.Try((VectorFeatureUnity)feature));
}
