private static void OnElementLoadedHandler(int tag, long id, IntPtr tagPtr, int tagCount,
IntPtr vertexPtr, int vertexCount, IntPtr stylePtr, int styleCount)
{
Tile tile;
if (!Tiles.TryGetValue(tag, out tile) || tile.IsDisposed)
{
return;
}
// NOTE see note above
var vertices = MarshalUtils.ReadDoubles(vertexPtr, vertexCount);
var tags = MarshalUtils.ReadStrings(tagPtr, tagCount);
var styles = MarshalUtils.ReadStrings(stylePtr, styleCount);
MapDataAdapter.AdaptElement(tile, _observers, _trace, id, vertices, tags, styles);
}
private static void OnMeshBuiltHandler(int tag, string name, IntPtr vertexPtr, int vertexCount,
IntPtr trianglePtr, int triangleCount, IntPtr colorPtr, int colorCount,
IntPtr uvPtr, int uvCount, IntPtr uvMapPtr, int uvMapCount)
{
Tile tile;
if (!Tiles.TryGetValue(tag, out tile) || tile.IsDisposed)
{
return;
}
// NOTE ideally, arrays should be marshalled automatically which could enable some optimizations,
// especially, for il2cpp. However, I was not able to make it work using il2cpp setting: all arrays
// were passed to this method with just one element. I gave up and decided to use manual marshalling
// here and in AdaptElement method below.
var vertices = MarshalUtils.ReadDoubles(vertexPtr, vertexCount);
var triangles = MarshalUtils.ReadInts(trianglePtr, triangleCount);
var colors = MarshalUtils.ReadInts(colorPtr, colorCount);
var uvs = MarshalUtils.ReadDoubles(uvPtr, uvCount);
var uvMap = MarshalUtils.ReadInts(uvMapPtr, uvMapCount);
MapDataAdapter.AdaptMesh(tile, _observers, _trace, name, vertices, triangles, colors, uvs, uvMap);
}