public PrimDisplayData ExtractPrimMesh(SceneObjectPart part, GroupLoader.LoaderParams parms, HashSet <UUID> fullPermTextures)
{
Primitive prim = part.Shape.ToOmvPrimitive(part.OffsetPosition, part.RotationOffset);
//always generate at scale 1.0 and export the true scale for each part
prim.Scale = new Vector3(1, 1, 1);
FacetedMesh mesh;
try
{
if (prim.Sculpt != null && prim.Sculpt.SculptTexture != UUID.Zero)
{
if (prim.Sculpt.Type != SculptType.Mesh)
{ // Regular sculptie
Image img = null;
if (!LoadTexture(prim.Sculpt.SculptTexture, ref img, true))
{
return(null);
}
mesh = _renderer.GenerateFacetedSculptMesh(prim, (Bitmap)img, DetailLevel.Highest);
img.Dispose();
}
else
{ // Mesh
var meshAsset = _stratus.RequestAssetSync(prim.Sculpt.SculptTexture);
if (!FacetedMesh.TryDecodeFromAsset(prim, new OpenMetaverse.Assets.AssetMesh(prim.Sculpt.SculptTexture, meshAsset.Data), DetailLevel.Highest, out mesh))
{
return(null);
}
}
}
else
{
mesh = _renderer.GenerateFacetedMesh(prim, DetailLevel.Highest);
}
}
catch
{
return(null);
}
// Create a FaceData struct for each face that stores the 3D data
// in a OpenGL friendly format
for (int j = 0; j < mesh.Faces.Count; j++)
{
Face face = mesh.Faces[j];
PrimFace.FaceData data = new PrimFace.FaceData();
// Vertices for this face
data.Vertices = new float[face.Vertices.Count * 3];
data.Normals = new float[face.Vertices.Count * 3];
for (int k = 0; k < face.Vertices.Count; k++)
{
data.Vertices[k * 3 + 0] = face.Vertices[k].Position.X;
data.Vertices[k * 3 + 1] = face.Vertices[k].Position.Y;
data.Vertices[k * 3 + 2] = face.Vertices[k].Position.Z;
data.Normals[k * 3 + 0] = face.Vertices[k].Normal.X;
data.Normals[k * 3 + 1] = face.Vertices[k].Normal.Y;
data.Normals[k * 3 + 2] = face.Vertices[k].Normal.Z;
}
// Indices for this face
data.Indices = face.Indices.ToArray();
// Texture transform for this face
Primitive.TextureEntryFace teFace = prim.Textures.GetFace((uint)j);
//not sure where this bug is coming from, but in order for sculpt textures
//to line up, we need to flip V here
if (prim.Sculpt != null && prim.Sculpt.Type != SculptType.None && prim.Sculpt.Type != SculptType.Mesh)
{
teFace.RepeatV *= -1.0f;
}
_renderer.TransformTexCoords(face.Vertices, face.Center, teFace, prim.Scale);
// Texcoords for this face
data.TexCoords = new float[face.Vertices.Count * 2];
for (int k = 0; k < face.Vertices.Count; k++)
{
data.TexCoords[k * 2 + 0] = face.Vertices[k].TexCoord.X;
data.TexCoords[k * 2 + 1] = face.Vertices[k].TexCoord.Y;
}
if (((parms.Checks & LoaderChecks.TexturesMustBeFullPerm) != 0))
{
if (teFace.TextureID != UUID.Zero && !fullPermTextures.Contains(teFace.TextureID))
{
teFace.TextureID = UUID.Zero;
}
}
//store the actual texture
data.TextureInfo = new PrimFace.TextureInfo {
TextureID = teFace.TextureID
};
// Set the UserData for this face to our FaceData struct
face.UserData = data;
mesh.Faces[j] = face;
}
var pos = part.IsRootPart() ? part.RawGroupPosition : part.OffsetPosition;
return(new PrimDisplayData {
Mesh = mesh, IsRootPrim = part.IsRootPart(),
OffsetPosition = pos, OffsetRotation = part.RotationOffset,
Scale = part.Scale,
ShapeHash = _objectHasher.GetMeshShapeHash(part.Shape),
MaterialHash = _objectHasher.GetMeshMaterialHash(prim),
LinkNum = part.LinkNum
});
}
public GroupDisplayData LoadFromXML(string xmlData, GroupLoader.LoaderParams parms)
{
SceneObjectGroup sog = SceneXmlLoader.DeserializeGroupFromXml2(xmlData);
return(GroupDisplayDataFromSOG(UUID.Zero, parms, sog, null, string.Empty, null));
}