public PointOnPath GetPointOnPath(Wrld.Space.LatLong inputPoint, List <Wrld.Space.LatLong> polylinePathPoints)
{
var pathPointsBuffer = new LatLongInterop[polylinePathPoints.Count];
for (int i = 0; i < polylinePathPoints.Count; ++i)
{
pathPointsBuffer[i] = LatLongInterop.FromLatLong(polylinePathPoints[i]);
}
var pathPointsBufferGCHandle = GCHandle.Alloc(pathPointsBuffer, GCHandleType.Pinned);
var bufferPtr = pathPointsBufferGCHandle.AddrOfPinnedObject();
var inputPointInterop = LatLongInterop.FromLatLong(inputPoint);
var resultInterop = NativePathApi_GetPointOnPath(NativePluginRunner.API, inputPointInterop, bufferPtr, pathPointsBuffer.Length);
var result = resultInterop.FromInterop();
pathPointsBufferGCHandle.Free();
return(result);
}
private BuildingInformation TryFetchBuildingInformationForHighlight(int buildingHighlightId)
{
BuildingInformation buildingInformation = null;
BuildingInformationInterop buildingInfoInterop = new BuildingInformationInterop();
// call C++ api point to populate buffer size fields
var success = NativeBuildingsApi_TryGetBuildingInformation(NativePluginRunner.API, buildingHighlightId, ref buildingInfoInterop);
if (success)
{
// alloc + pin buffers
var buildingIdBuffer = new byte[buildingInfoInterop.BuildingIdSize];
var buildingIdBufferGCHandle = GCHandle.Alloc(buildingIdBuffer, GCHandleType.Pinned);
buildingInfoInterop.BuildingId = buildingIdBufferGCHandle.AddrOfPinnedObject();
var contourPointsBuffer = new LatLongInterop[buildingInfoInterop.ContourPointsSize];
var contourPointsBufferGCHandle = GCHandle.Alloc(contourPointsBuffer, GCHandleType.Pinned);
buildingInfoInterop.ContourPoints = contourPointsBufferGCHandle.AddrOfPinnedObject();
var buildingContoursBuffer = new BuildingContourInterop[buildingInfoInterop.BuildingContoursSize];
var buildingContoursBufferGCHandle = GCHandle.Alloc(buildingContoursBuffer, GCHandleType.Pinned);
buildingInfoInterop.BuildingContours = buildingContoursBufferGCHandle.AddrOfPinnedObject();
// call C++ api point again to populate buffers
success = NativeBuildingsApi_TryGetBuildingInformation(NativePluginRunner.API, buildingHighlightId, ref buildingInfoInterop);
if (success)
{
buildingInformation = CreateBuildingInformation(buildingInfoInterop, contourPointsBuffer, buildingContoursBuffer);
}
buildingIdBufferGCHandle.Free();
contourPointsBufferGCHandle.Free();
buildingContoursBufferGCHandle.Free();
}
return(buildingInformation);
}
private static extern int NativePrecacheApi_BeginPrecacheOperation(IntPtr ptr, ref LatLongInterop center, double radius);
internal int BeginPrecacheOperation(LatLong center, double radius)
{
var latLongInterop = LatLongInterop.FromLatLong(center);
return(NativePrecacheApi_BeginPrecacheOperation(NativePluginRunner.API, ref latLongInterop, radius));
}
private static extern PointOnPathInterop NativePathApi_GetPointOnPath(IntPtr ptr, LatLongInterop inputPoint, IntPtr polylinePathPointsPtr, int polylinePathPointsSize);
private static extern DoubleRay NativeSpacesApi_LatLongToVerticallyDownRay(IntPtr ptr, ref LatLongInterop latLongInterop);
