public PointsGisLayer(Game engine, int maxPointsCount, bool isDynamic = false) : base(engine)
{
DotsBuffer = new ConstantBuffer(engine.GraphicsDevice, typeof(DotsData));
ColorBuffer = new ConstantBuffer(engine.GraphicsDevice, typeof(ColorData), 16);
PointsCountToDraw = maxPointsCount;
PointsDrawOffset = 0;
SizeMultiplier = 1;
IsDynamic = isDynamic;
var vbOptions = isDynamic ? VertexBufferOptions.Dynamic : VertexBufferOptions.Default;
firstBuffer = new VertexBuffer(engine.GraphicsDevice, typeof(Gis.GeoPoint), maxPointsCount, vbOptions);
currentBuffer = firstBuffer;
PointsCpu = new Gis.GeoPoint[maxPointsCount];
Flags = (int) (PointFlags.DOTS_WORLDSPACE);
shader = Game.Content.Load<Ubershader>("globe.Point.hlsl");
factory = shader.CreateFactory( typeof(PointFlags), Primitive.PointList, VertexInputElement.FromStructure<Gis.GeoPoint>(), BlendState.AlphaBlend, RasterizerState.CullCCW, DepthStencilState.None);
ColorDatas = new ColorData[16];
for (int i = 0; i < ColorDatas.Length; i++) {
ColorDatas[i] = new ColorData {Color = Color.White};
}
ColorBuffer.SetData(ColorDatas);
}
public static PolyGisLayer CreateFromUtmFbxModel(Game engine, string fileName)
{
var scene = engine.Content.Load<Scene>(fileName);
var s = fileName.Split('_');
double easting = double.Parse(s[1]);
double northing = double.Parse(s[2]);
string region = s[3];
var transforms = new Matrix[scene.Nodes.Count];
scene.ComputeAbsoluteTransforms(transforms);
List<Gis.GeoPoint> points = new List<Gis.GeoPoint>();
List<int> indeces = new List<int>();
var oInfo = new SelectInfo[scene.Meshes.Count];
for (int i = 0; i < scene.Nodes.Count; i++) {
var meshIndex = scene.Nodes[i].MeshIndex;
if (meshIndex < 0) {
continue;
}
oInfo[meshIndex] = new SelectInfo {
MeshIndex = meshIndex,
NodeIndex = i,
NodeName = scene.Nodes[i].Name
};
int vertexOffset = points.Count;
var world = transforms[i];
double worldLon, worldLat;
Gis.UtmToLatLon(easting + world.TranslationVector.X, northing - world.TranslationVector.Z, region, out worldLon, out worldLat);
var worldBasis = GeoHelper.CalculateBasisOnSurface(DMathUtil.DegreesToRadians(new DVector2(worldLon, worldLat)));
var worldBasisInvert = DMatrix.Invert(worldBasis);
oInfo[meshIndex].WorldMatrix = worldBasis;
oInfo[meshIndex].WorldMatrixInvert = worldBasisInvert;
List<Vector3> cartPoints = new List<Vector3>();
foreach (var vert in scene.Meshes[meshIndex].Vertices) {
var pos = vert.Position;
var worldPos = Vector3.TransformCoordinate(pos, world);
var worldNorm = Vector3.TransformNormal(vert.Normal, world);
double lon, lat;
Gis.UtmToLatLon(easting + worldPos.X, northing - worldPos.Z, region, out lon, out lat);
DVector3 norm = new DVector3(worldNorm.X, worldNorm.Z, worldNorm.Y);
norm.Normalize();
norm = DVector3.TransformNormal(norm, DMatrix.RotationYawPitchRoll(DMathUtil.DegreesToRadians(lon), DMathUtil.DegreesToRadians(lat), 0));
norm.Normalize();
norm.Y = -norm.Y;
lon = DMathUtil.DegreesToRadians(lon) + 0.0000068;
lat = DMathUtil.DegreesToRadians(lat) + 0.0000113;
cartPoints.Add(DVector3.TransformCoordinate(GeoHelper.SphericalToCartesian(new DVector2(lon, lat), GeoHelper.EarthRadius + worldPos.Y / 1000.0f), worldBasisInvert).ToVector3());
var point = new Gis.GeoPoint {
Lon = lon,
Lat = lat,
Color = vert.Color0,
Tex0 = new Vector4(norm.ToVector3(), 0),
Tex1 = new Vector4(0,0,0, worldPos.Y/1000.0f)
};
point.Color.Alpha = 0.5f;
points.Add(point);
}
oInfo[meshIndex].BoundingBox = BoundingBox.FromPoints(cartPoints.ToArray());
var inds = scene.Meshes[meshIndex].GetIndices();
foreach (var ind in inds) {
indeces.Add(vertexOffset + ind);
}
}
return new PolyGisLayer(engine, points.ToArray(), indeces.ToArray(), false) { objectsInfo = oInfo };
}