/// <summary>
/// Generates a basic mesh structure from a primitive
/// A 'SimpleMesh' is just the prim's overall shape with no material information.
/// </summary>
/// <param name="prim">Primitive to generate the mesh from</param>
/// <param name="lod">Level of detail to generate the mesh at</param>
/// <returns>The generated mesh or null on failure</returns>
public OMVR.SimpleMesh GenerateSimpleMesh(OMV.Primitive prim, OMVR.DetailLevel lod)
{
LibreMetaverse.PrimMesher.PrimMesh newPrim = GeneratePrimMesh(prim, lod, false);
if (newPrim == null)
{
return(null);
}
SimpleMesh mesh = new SimpleMesh
{
Path = new Path(),
Prim = prim,
Profile = new Profile(),
Vertices = new List <Vertex>(newPrim.coords.Count)
};
foreach (Coord c in newPrim.coords)
{
mesh.Vertices.Add(new Vertex {
Position = new Vector3(c.X, c.Y, c.Z)
});
}
mesh.Indices = new List <ushort>(newPrim.faces.Count * 3);
foreach (LibreMetaverse.PrimMesher.Face face in newPrim.faces)
{
mesh.Indices.Add((ushort)face.v1);
mesh.Indices.Add((ushort)face.v2);
mesh.Indices.Add((ushort)face.v3);
}
return(mesh);
}
/// <summary>
/// Generates a basic mesh structure from a primitive
/// </summary>
/// <param name="prim">Primitive to generate the mesh from</param>
/// <param name="lod">Level of detail to generate the mesh at</param>
/// <returns>The generated mesh or null on failure</returns>
public OMVR.SimpleMesh GenerateSimpleMesh(OMV.Primitive prim, OMVR.DetailLevel lod)
{
PrimMesher.PrimMesh newPrim = GeneratePrimMesh(prim, lod, false);
if (newPrim == null)
{
return(null);
}
SimpleMesh mesh = new SimpleMesh();
mesh.Path = new Path();
mesh.Prim = prim;
mesh.Profile = new Profile();
mesh.Vertices = new List <Vertex>(newPrim.coords.Count);
for (int i = 0; i < newPrim.coords.Count; i++)
{
PrimMesher.Coord c = newPrim.coords[i];
mesh.Vertices.Add(new Vertex {
Position = new Vector3(c.X, c.Y, c.Z)
});
}
mesh.Indices = new List <ushort>(newPrim.faces.Count * 3);
for (int i = 0; i < newPrim.faces.Count; i++)
{
PrimMesher.Face face = newPrim.faces[i];
mesh.Indices.Add((ushort)face.v1);
mesh.Indices.Add((ushort)face.v2);
mesh.Indices.Add((ushort)face.v3);
}
return(mesh);
}
/// <summary>
/// Create a faceted mesh from prim shape parameters.
/// Generates a a series of faces, each face containing a mesh and
/// material metadata.
/// A prim will turn into multiple faces with each being independent
/// meshes and each having different material information.
/// </summary>
/// <param name="prim">Primitive to generate the mesh from</param>
/// <param name="lod">Level of detail to generate the mesh at</param>
/// <returns>The generated mesh</returns >
public OMVR.FacetedMesh GenerateFacetedMesh(OMV.Primitive prim, OMVR.DetailLevel lod)
{
bool isSphere = ((OMV.ProfileCurve)(prim.PrimData.profileCurve & 0x07) == OMV.ProfileCurve.HalfCircle);
PrimMesher.PrimMesh newPrim = GeneratePrimMesh(prim, lod, true);
if (newPrim == null)
{
return(null);
}
// copy the vertex information into OMVR.IRendering structures
OMVR.FacetedMesh omvrmesh = new OMVR.FacetedMesh();
omvrmesh.Faces = new List <OMVR.Face>();
omvrmesh.Prim = prim;
omvrmesh.Profile = new OMVR.Profile();
omvrmesh.Profile.Faces = new List <OMVR.ProfileFace>();
omvrmesh.Profile.Positions = new List <OMV.Vector3>();
omvrmesh.Path = new OMVR.Path();
omvrmesh.Path.Points = new List <OMVR.PathPoint>();
var indexer = newPrim.GetVertexIndexer();
for (int i = 0; i < indexer.numPrimFaces; i++)
{
OMVR.Face oface = new OMVR.Face();
oface.Vertices = new List <OMVR.Vertex>();
oface.Indices = new List <ushort>();
oface.TextureFace = prim.Textures.GetFace((uint)i);
for (int j = 0; j < indexer.viewerVertices[i].Count; j++)
{
var vert = new OMVR.Vertex();
var m = indexer.viewerVertices[i][j];
vert.Position = new Vector3(m.v.X, m.v.Y, m.v.Z);
vert.Normal = new Vector3(m.n.X, m.n.Y, m.n.Z);
vert.TexCoord = new OMV.Vector2(m.uv.U, 1.0f - m.uv.V);
oface.Vertices.Add(vert);
}
for (int j = 0; j < indexer.viewerPolygons[i].Count; j++)
{
var p = indexer.viewerPolygons[i][j];
// Skip "degenerate faces" where the same vertex appears twice in the same tri
if (p.v1 == p.v2 || p.v1 == p.v2 || p.v2 == p.v3)
{
continue;
}
oface.Indices.Add((ushort)p.v1);
oface.Indices.Add((ushort)p.v2);
oface.Indices.Add((ushort)p.v3);
}
omvrmesh.Faces.Add(oface);
}
return(omvrmesh);
}
// A version of GenerateFacetedMeshMesh that takes LOD spec so it's similar in calling convention of
// the other Generate* methods.
public OMVR.FacetedMesh GenerateFacetedMeshMesh(OMV.Primitive prim, byte[] meshData, OMVR.DetailLevel lod)
{
OMVR.FacetedMesh ret = null;
string partName = null;
switch (lod)
{
case OMVR.DetailLevel.Highest:
partName = "high_lod"; break;
case OMVR.DetailLevel.High:
partName = "medium_lod"; break;
case OMVR.DetailLevel.Medium:
partName = "low_lod"; break;
case OMVR.DetailLevel.Low:
partName = "lowest_lod"; break;
}
if (partName != null)
{
OSDMap meshParts = UnpackMesh(meshData);
if (meshParts != null)
{
if (meshParts.ContainsKey(partName))
{
byte[] meshBytes = meshParts[partName];
if (meshBytes != null)
{
ret = MeshSubMeshAsFacetedMesh(prim, meshBytes);
}
}
}
}
return(ret);
}
/// <summary>
/// Generates a basic mesh structure from a sculpted primitive
/// </summary>
/// <param name="prim">Sculpted primitive to generate the mesh from</param>
/// <param name="sculptTexture">Sculpt texture</param>
/// <param name="lod">Level of detail to generate the mesh at</param>
/// <returns>The generated mesh or null on failure</returns>
public OMVR.SimpleMesh GenerateSimpleSculptMesh(OMV.Primitive prim, System.Drawing.Bitmap sculptTexture, OMVR.DetailLevel lod)
{
OMVR.FacetedMesh faceted = GenerateFacetedSculptMesh(prim, sculptTexture, lod);
if (faceted != null && faceted.Faces.Count == 1)
{
Face face = faceted.Faces[0];
SimpleMesh mesh = new SimpleMesh();
mesh.Indices = face.Indices;
mesh.Vertices = face.Vertices;
mesh.Path = faceted.Path;
mesh.Prim = prim;
mesh.Profile = faceted.Profile;
mesh.Vertices = face.Vertices;
return(mesh);
}
return(null);
}
/// <summary>
/// Create a sculpty faceted mesh. The actual scuplt texture is fetched and passed to this
/// routine since all the context for finding teh texture is elsewhere.
/// </summary>
/// <returns>The faceted mesh or null if can't do it</returns>
public OMVR.FacetedMesh GenerateFacetedSculptMesh(OMV.Primitive prim, System.Drawing.Bitmap scupltTexture, OMVR.DetailLevel lod)
{
PrimMesher.SculptMesh.SculptType smSculptType;
switch (prim.Sculpt.Type)
{
case OpenMetaverse.SculptType.Cylinder:
smSculptType = PrimMesher.SculptMesh.SculptType.cylinder;
break;
case OpenMetaverse.SculptType.Plane:
smSculptType = PrimMesher.SculptMesh.SculptType.plane;
break;
case OpenMetaverse.SculptType.Sphere:
smSculptType = PrimMesher.SculptMesh.SculptType.sphere;
break;
case OpenMetaverse.SculptType.Torus:
smSculptType = PrimMesher.SculptMesh.SculptType.torus;
break;
default:
smSculptType = PrimMesher.SculptMesh.SculptType.plane;
break;
}
// The lod for sculpties is the resolution of the texture passed.
// The first guess is 1:1 then lower resolutions after that
// int mesherLod = (int)Math.Sqrt(scupltTexture.Width * scupltTexture.Height);
int mesherLod = 32; // number used in Idealist viewer
switch (lod)
{
case OMVR.DetailLevel.Highest:
break;
case OMVR.DetailLevel.High:
break;
case OMVR.DetailLevel.Medium:
mesherLod /= 2;
break;
case OMVR.DetailLevel.Low:
mesherLod /= 4;
break;
}
PrimMesher.SculptMesh newMesh =
new PrimMesher.SculptMesh(scupltTexture, smSculptType, mesherLod, true, prim.Sculpt.Mirror, prim.Sculpt.Invert);
int numPrimFaces = 1; // a scuplty has only one face
// copy the vertex information into OMVR.IRendering structures
OMVR.FacetedMesh omvrmesh = new OMVR.FacetedMesh();
omvrmesh.Faces = new List <OMVR.Face>();
omvrmesh.Prim = prim;
omvrmesh.Profile = new OMVR.Profile();
omvrmesh.Profile.Faces = new List <OMVR.ProfileFace>();
omvrmesh.Profile.Positions = new List <OMV.Vector3>();
omvrmesh.Path = new OMVR.Path();
omvrmesh.Path.Points = new List <OMVR.PathPoint>();
Dictionary <OMVR.Vertex, int> vertexAccount = new Dictionary <OMVR.Vertex, int>();
for (int ii = 0; ii < numPrimFaces; ii++)
{
vertexAccount.Clear();
OMVR.Face oface = new OMVR.Face();
oface.Vertices = new List <OMVR.Vertex>();
oface.Indices = new List <ushort>();
oface.TextureFace = prim.Textures.GetFace((uint)ii);
int faceVertices = newMesh.coords.Count;
OMVR.Vertex vert;
for (int j = 0; j < faceVertices; j++)
{
vert = new OMVR.Vertex();
vert.Position = new Vector3(newMesh.coords[j].X, newMesh.coords[j].Y, newMesh.coords[j].Z);
vert.Normal = new Vector3(newMesh.normals[j].X, newMesh.normals[j].Y, newMesh.normals[j].Z);
vert.TexCoord = new Vector2(newMesh.uvs[j].U, newMesh.uvs[j].V);
oface.Vertices.Add(vert);
}
for (int j = 0; j < newMesh.faces.Count; j++)
{
oface.Indices.Add((ushort)newMesh.faces[j].v1);
oface.Indices.Add((ushort)newMesh.faces[j].v2);
oface.Indices.Add((ushort)newMesh.faces[j].v3);
}
if (faceVertices > 0)
{
oface.TextureFace = prim.Textures.FaceTextures[ii];
if (oface.TextureFace == null)
{
oface.TextureFace = prim.Textures.DefaultTexture;
}
oface.ID = ii;
omvrmesh.Faces.Add(oface);
}
}
return(omvrmesh);
}
/// <summary>
/// Generates a a series of faces, each face containing a mesh and
/// metadata
/// </summary>
/// <param name="prim">Primitive to generate the mesh from</param>
/// <param name="lod">Level of detail to generate the mesh at</param>
/// <returns>The generated mesh</returns >
public OMVR.FacetedMesh GenerateFacetedMesh(OMV.Primitive prim, OMVR.DetailLevel lod)
{
bool isSphere = ((OMV.ProfileCurve)(prim.PrimData.profileCurve & 0x07) == OMV.ProfileCurve.HalfCircle);
PrimMesher.PrimMesh newPrim = GeneratePrimMesh(prim, lod, true);
if (newPrim == null)
{
return(null);
}
int numViewerFaces = newPrim.viewerFaces.Count;
int numPrimFaces = newPrim.numPrimFaces;
for (uint i = 0; i < numViewerFaces; i++)
{
PrimMesher.ViewerFace vf = newPrim.viewerFaces[(int)i];
if (isSphere)
{
vf.uv1.U = (vf.uv1.U - 0.5f) * 2.0f;
vf.uv2.U = (vf.uv2.U - 0.5f) * 2.0f;
vf.uv3.U = (vf.uv3.U - 0.5f) * 2.0f;
}
}
// copy the vertex information into OMVR.IRendering structures
OMVR.FacetedMesh omvrmesh = new OMVR.FacetedMesh();
omvrmesh.Faces = new List <OMVR.Face>();
omvrmesh.Prim = prim;
omvrmesh.Profile = new OMVR.Profile();
omvrmesh.Profile.Faces = new List <OMVR.ProfileFace>();
omvrmesh.Profile.Positions = new List <OMV.Vector3>();
omvrmesh.Path = new OMVR.Path();
omvrmesh.Path.Points = new List <OMVR.PathPoint>();
Dictionary <OMV.Vector3, int> vertexAccount = new Dictionary <OMV.Vector3, int>();
for (int ii = 0; ii < numPrimFaces; ii++)
{
OMVR.Face oface = new OMVR.Face();
oface.Vertices = new List <OMVR.Vertex>();
oface.Indices = new List <ushort>();
oface.TextureFace = prim.Textures.GetFace((uint)ii);
int faceVertices = 0;
vertexAccount.Clear();
OMV.Vector3 pos;
int indx;
OMVR.Vertex vert;
foreach (PrimMesher.ViewerFace vface in newPrim.viewerFaces)
{
if (vface.primFaceNumber == ii)
{
faceVertices++;
pos = new OMV.Vector3(vface.v1.X, vface.v1.Y, vface.v1.Z);
if (vertexAccount.ContainsKey(pos))
{
// we aleady have this vertex in the list. Just point the index at it
oface.Indices.Add((ushort)vertexAccount[pos]);
}
else
{
// the vertex is not in the list. Add it and the new index.
vert = new OMVR.Vertex();
vert.Position = pos;
vert.TexCoord = new OMV.Vector2(vface.uv1.U, 1.0f - vface.uv1.V);
vert.Normal = new OMV.Vector3(vface.n1.X, vface.n1.Y, vface.n1.Z);
oface.Vertices.Add(vert);
indx = oface.Vertices.Count - 1;
vertexAccount.Add(pos, indx);
oface.Indices.Add((ushort)indx);
}
pos = new OMV.Vector3(vface.v2.X, vface.v2.Y, vface.v2.Z);
if (vertexAccount.ContainsKey(pos))
{
oface.Indices.Add((ushort)vertexAccount[pos]);
}
else
{
vert = new OMVR.Vertex();
vert.Position = pos;
vert.TexCoord = new OMV.Vector2(vface.uv2.U, 1.0f - vface.uv2.V);
vert.Normal = new OMV.Vector3(vface.n2.X, vface.n2.Y, vface.n2.Z);
oface.Vertices.Add(vert);
indx = oface.Vertices.Count - 1;
vertexAccount.Add(pos, indx);
oface.Indices.Add((ushort)indx);
}
pos = new OMV.Vector3(vface.v3.X, vface.v3.Y, vface.v3.Z);
if (vertexAccount.ContainsKey(pos))
{
oface.Indices.Add((ushort)vertexAccount[pos]);
}
else
{
vert = new OMVR.Vertex();
vert.Position = pos;
vert.TexCoord = new OMV.Vector2(vface.uv3.U, 1.0f - vface.uv3.V);
vert.Normal = new OMV.Vector3(vface.n3.X, vface.n3.Y, vface.n3.Z);
oface.Vertices.Add(vert);
indx = oface.Vertices.Count - 1;
vertexAccount.Add(pos, indx);
oface.Indices.Add((ushort)indx);
}
}
}
if (faceVertices > 0)
{
oface.TextureFace = prim.Textures.FaceTextures[ii];
if (oface.TextureFace == null)
{
oface.TextureFace = prim.Textures.DefaultTexture;
}
oface.ID = ii;
omvrmesh.Faces.Add(oface);
}
}
return(omvrmesh);
}
private PrimMesher.PrimMesh GeneratePrimMesh(OMV.Primitive prim, OMVR.DetailLevel lod, bool viewerMode)
{
OMV.Primitive.ConstructionData primData = prim.PrimData;
int sides = 4;
int hollowsides = 4;
float profileBegin = primData.ProfileBegin;
float profileEnd = primData.ProfileEnd;
if ((OMV.ProfileCurve)(primData.profileCurve & 0x07) == OMV.ProfileCurve.Circle)
{
switch (lod)
{
case OMVR.DetailLevel.Low:
sides = 6;
break;
case OMVR.DetailLevel.Medium:
sides = 12;
break;
default:
sides = 24;
break;
}
}
else if ((OMV.ProfileCurve)(primData.profileCurve & 0x07) == OMV.ProfileCurve.EqualTriangle)
{
sides = 3;
}
else if ((OMV.ProfileCurve)(primData.profileCurve & 0x07) == OMV.ProfileCurve.HalfCircle)
{
// half circle, prim is a sphere
switch (lod)
{
case OMVR.DetailLevel.Low:
sides = 6;
break;
case OMVR.DetailLevel.Medium:
sides = 12;
break;
default:
sides = 24;
break;
}
profileBegin = 0.5f * profileBegin + 0.5f;
profileEnd = 0.5f * profileEnd + 0.5f;
}
if ((OMV.HoleType)primData.ProfileHole == OMV.HoleType.Same)
{
hollowsides = sides;
}
else if ((OMV.HoleType)primData.ProfileHole == OMV.HoleType.Circle)
{
switch (lod)
{
case OMVR.DetailLevel.Low:
hollowsides = 6;
break;
case OMVR.DetailLevel.Medium:
hollowsides = 12;
break;
default:
hollowsides = 24;
break;
}
}
else if ((OMV.HoleType)primData.ProfileHole == OMV.HoleType.Triangle)
{
hollowsides = 3;
}
PrimMesher.PrimMesh newPrim = new PrimMesher.PrimMesh(sides, profileBegin, profileEnd, (float)primData.ProfileHollow, hollowsides);
newPrim.viewerMode = viewerMode;
newPrim.holeSizeX = primData.PathScaleX;
newPrim.holeSizeY = primData.PathScaleY;
newPrim.pathCutBegin = primData.PathBegin;
newPrim.pathCutEnd = primData.PathEnd;
newPrim.topShearX = primData.PathShearX;
newPrim.topShearY = primData.PathShearY;
newPrim.radius = primData.PathRadiusOffset;
newPrim.revolutions = primData.PathRevolutions;
newPrim.skew = primData.PathSkew;
switch (lod)
{
case OMVR.DetailLevel.Low:
newPrim.stepsPerRevolution = 6;
break;
case OMVR.DetailLevel.Medium:
newPrim.stepsPerRevolution = 12;
break;
default:
newPrim.stepsPerRevolution = 24;
break;
}
if ((primData.PathCurve == OMV.PathCurve.Line) || (primData.PathCurve == OMV.PathCurve.Flexible))
{
newPrim.taperX = 1.0f - primData.PathScaleX;
newPrim.taperY = 1.0f - primData.PathScaleY;
newPrim.twistBegin = (int)(180 * primData.PathTwistBegin);
newPrim.twistEnd = (int)(180 * primData.PathTwist);
newPrim.ExtrudeLinear();
}
else
{
newPrim.taperX = primData.PathTaperX;
newPrim.taperY = primData.PathTaperY;
newPrim.twistBegin = (int)(360 * primData.PathTwistBegin);
newPrim.twistEnd = (int)(360 * primData.PathTwist);
newPrim.ExtrudeCircular();
}
return(newPrim);
}
/// <summary>
/// Create a sculpty faceted mesh. The actual scuplt texture is fetched and passed to this
/// routine since all the context for finding teh texture is elsewhere.
/// </summary>
/// <param name="scupltTexture"></param>
/// <param name="prim"></param>
/// <param name="lod"></param>
/// <returns>the faceted mesh or null if can't do it</returns>
public OMVR.FacetedMesh GenerateSculptMesh(System.Drawing.Bitmap scupltTexture,
OMV.Primitive prim, OMVR.DetailLevel lod)
{
try {
byte sculptType = (byte)prim.Sculpt.Type;
bool mirror = ((sculptType & 128) != 0);
bool invert = ((sculptType & 64) != 0);
// bool mirror = false; // TODO: libomv doesn't support these and letting them flop around causes problems
// bool invert = false;
OMV.SculptType omSculptType = (OMV.SculptType)(sculptType & 0x07);
PrimMesher.SculptMesh.SculptType smSculptType;
switch (omSculptType)
{
case OpenMetaverse.SculptType.Cylinder:
smSculptType = PrimMesher.SculptMesh.SculptType.cylinder;
break;
case OpenMetaverse.SculptType.Plane:
smSculptType = PrimMesher.SculptMesh.SculptType.plane;
break;
case OpenMetaverse.SculptType.Sphere:
smSculptType = PrimMesher.SculptMesh.SculptType.sphere;
break;
case OpenMetaverse.SculptType.Torus:
smSculptType = PrimMesher.SculptMesh.SculptType.torus;
break;
default:
smSculptType = PrimMesher.SculptMesh.SculptType.plane;
break;
}
// The lod for sculpties is the resolution of the texture passed.
// The first guess is 1:1 then lower resolutions after that
// int mesherLod = (int)Math.Sqrt(scupltTexture.Width * scupltTexture.Height);
int mesherLod = 32; // number used in Idealist viewer
switch (lod)
{
case OMVR.DetailLevel.Highest:
break;
case OMVR.DetailLevel.High:
break;
case OMVR.DetailLevel.Medium:
mesherLod /= 2;
break;
case OMVR.DetailLevel.Low:
mesherLod /= 4;
break;
}
PrimMesher.SculptMesh newMesh =
new PrimMesher.SculptMesh(scupltTexture, smSculptType, mesherLod, true, mirror, invert);
if (ShouldScaleMesh)
{
newMesh.Scale(prim.Scale.X, prim.Scale.Y, prim.Scale.Z);
}
int numPrimFaces = 1; // a scuplty has only one face
return(GenerateIRendererMesh(numPrimFaces, prim, newMesh.viewerFaces));
}
catch {
// don't know why we're here but tell the caller nothing was meshed
return(null);
}
}
/// <summary>
/// Create and return a set of meshes/materials that make the passed SOP.
/// This just deals the making a mesh from the SOP and getting the material/texture of the meshes
/// into the caches.
/// </summary>
// Returns 'null' if the SOG/SOP could not be converted into a displayable
public IPromise <Displayable> CreateMeshResource(SceneObjectGroup sog, SceneObjectPart sop,
OMV.Primitive prim, IAssetFetcher assetFetcher, OMVR.DetailLevel lod)
{
var prom = new Promise <Displayable>();
try {
if (prim.Sculpt != null)
{
if (prim.Sculpt.Type == OMV.SculptType.Mesh)
{
BConverterOS.LogBProgress("{0}: CreateMeshResource: creating mesh", _logHeader);
ConvOAR.Globals.stats.numMeshAssets++;
MeshFromPrimMeshData(sog, sop, prim, assetFetcher, lod)
.Then(dispable => {
prom.Resolve(new Displayable(dispable, sop));
}, e => {
// prom.Reject(e);
prom.Resolve(null);
});
}
else
{
BConverterOS.LogBProgress("{0}: CreateMeshResource: creating sculpty", _logHeader);
ConvOAR.Globals.stats.numSculpties++;
MeshFromPrimSculptData(sog, sop, prim, assetFetcher, lod)
.Then(dispable => {
prom.Resolve(new Displayable(dispable, sop));
}, e => {
// prom.Reject(e);
prom.Resolve(null);
});
}
}
else
{
BConverterOS.LogBProgress("{0}: CreateMeshResource: creating primshape", _logHeader);
ConvOAR.Globals.stats.numSimplePrims++;
MeshFromPrimShapeData(sog, sop, prim, assetFetcher, lod)
.Then(dispable => {
BConverterOS.LogBProgress("{0} CreateMeshResource: prim created", _logHeader);
prom.Resolve(new Displayable(dispable, sop));
}, e => {
// prom.Reject(e);
prom.Resolve(null);
});
}
}
catch (Exception e) {
prom.Reject(e);
}
return(prom);
}
private Promise <DisplayableRenderable> MeshFromPrimMeshData(SceneObjectGroup sog, SceneObjectPart sop,
OMV.Primitive prim, IAssetFetcher assetFetcher, OMVR.DetailLevel lod)
{
EntityHandleUUID meshHandle = new EntityHandleUUID(prim.Sculpt.SculptTexture);
return(new Promise <DisplayableRenderable>((resolve, reject) => {
assetFetcher.FetchRawAsset(meshHandle)
.Then(meshBytes => {
// OMVA.AssetMesh meshAsset = new OMVA.AssetMesh(prim.ID, meshBytes);
// if (OMVR.FacetedMesh.TryDecodeFromAsset(prim, meshAsset, lod, out fMesh)) {
OMVR.FacetedMesh fMesh = null;
try {
fMesh = _mesher.GenerateFacetedMeshMesh(prim, meshBytes);
}
catch (Exception e) {
ConvOAR.Globals.log.ErrorFormat("{0} Exception in GenerateFacetedMeshMesh: {1}", _logHeader, e);
}
if (fMesh != null)
{
DisplayableRenderable dr = ConvertFacetedMeshToDisplayable(assetFetcher, fMesh, prim.Textures.DefaultTexture, prim.Scale);
// Don't know the hash of the DisplayableRenderable until after it has been created.
// Now use the hash to see if this has already been done.
// If this DisplayableRenderable has already been built, use the other one and throw this away.
BHash drHash = dr.GetBHash();
DisplayableRenderable realDR = assetFetcher.GetRenderable(drHash, () => { return dr; });
resolve(realDR);
}
else
{
reject(new Exception("MeshFromPrimMeshData: could not decode mesh information from asset. ID="
+ prim.ID.ToString()));
}
}, e => {
ConvOAR.Globals.log.ErrorFormat("{0} MeshFromPrimMeshData: exception: {1}", _logHeader, e);
reject(e);
});
}));
}
private Promise <DisplayableRenderable> MeshFromPrimSculptData(SceneObjectGroup sog, SceneObjectPart sop,
OMV.Primitive prim, IAssetFetcher assetFetcher, OMVR.DetailLevel lod)
{
return(new Promise <DisplayableRenderable>((resolve, reject) => {
// Get the asset that the sculpty is built on
EntityHandleUUID texHandle = new EntityHandleUUID(prim.Sculpt.SculptTexture);
assetFetcher.FetchTexture(texHandle)
.Then((bm) => {
OMVR.FacetedMesh fMesh = _mesher.GenerateFacetedSculptMesh(prim, bm.Image.ExportBitmap(), lod);
DisplayableRenderable dr =
ConvertFacetedMeshToDisplayable(assetFetcher, fMesh, prim.Textures.DefaultTexture, prim.Scale);
BHash drHash = dr.GetBHash();
DisplayableRenderable realDR = assetFetcher.GetRenderable(drHash, () => { return dr; });
BConverterOS.LogBProgress("{0} MeshFromPrimSculptData. numFaces={1}, numGenedMeshed={2}",
_logHeader, fMesh.Faces.Count, ((RenderableMeshGroup)realDR).meshes.Count);
resolve(realDR);
}, (e) => {
ConvOAR.Globals.log.ErrorFormat("{0} MeshFromPrimSculptData: Rejected FetchTexture: {1}: {2}", _logHeader, texHandle, e);
reject(null);
});
}));
}
private Promise <DisplayableRenderable> MeshFromPrimShapeData(SceneObjectGroup sog, SceneObjectPart sop,
OMV.Primitive prim, IAssetFetcher assetFetcher, OMVR.DetailLevel lod)
{
return(new Promise <DisplayableRenderable>((resolve, reject) => {
OMVR.FacetedMesh mesh = _mesher.GenerateFacetedMesh(prim, lod);
DisplayableRenderable dr = ConvertFacetedMeshToDisplayable(assetFetcher, mesh, prim.Textures.DefaultTexture, prim.Scale);
BHash drHash = dr.GetBHash();
DisplayableRenderable realDR = assetFetcher.GetRenderable(drHash, () => { return dr; });
BConverterOS.LogBProgress("{0} MeshFromPrimShapeData. numGenedMeshed={1}",
_logHeader, ((RenderableMeshGroup)realDR).meshes.Count);
resolve(realDR);
}));
}
/// <summary>
/// Create a sculpty faceted mesh. The actual scuplt texture is fetched and passed to this
/// routine since all the context for finding teh texture is elsewhere.
/// </summary>
/// <returns>The faceted mesh or null if can't do it</returns>
public OMVR.FacetedMesh GenerateFacetedSculptMesh(OMV.Primitive prim, System.Drawing.Bitmap scupltTexture, OMVR.DetailLevel lod)
{
byte sculptType = (byte)prim.Sculpt.Type;
bool mirror = ((sculptType & 128) != 0);
bool invert = ((sculptType & 64) != 0);
// mirror = false; // TODO: libomv doesn't support these and letting them flop around causes problems
// invert = false;
OMV.SculptType omSculptType = (OMV.SculptType)(sculptType & 0x07);
PrimMesher.SculptMesh.SculptType smSculptType;
switch (omSculptType)
{
case OpenMetaverse.SculptType.Cylinder:
smSculptType = PrimMesher.SculptMesh.SculptType.cylinder;
break;
case OpenMetaverse.SculptType.Plane:
smSculptType = PrimMesher.SculptMesh.SculptType.plane;
break;
case OpenMetaverse.SculptType.Sphere:
smSculptType = PrimMesher.SculptMesh.SculptType.sphere;
break;
case OpenMetaverse.SculptType.Torus:
smSculptType = PrimMesher.SculptMesh.SculptType.torus;
break;
default:
smSculptType = PrimMesher.SculptMesh.SculptType.plane;
break;
}
// The lod for sculpties is the resolution of the texture passed.
// The first guess is 1:1 then lower resolutions after that
// int mesherLod = (int)Math.Sqrt(scupltTexture.Width * scupltTexture.Height);
int mesherLod = 32; // number used in Idealist viewer
switch (lod)
{
case OMVR.DetailLevel.Highest:
break;
case OMVR.DetailLevel.High:
break;
case OMVR.DetailLevel.Medium:
mesherLod /= 2;
break;
case OMVR.DetailLevel.Low:
mesherLod /= 4;
break;
}
PrimMesher.SculptMesh newMesh =
new PrimMesher.SculptMesh(scupltTexture, smSculptType, mesherLod, true, mirror, invert);
int numPrimFaces = 1; // a scuplty has only one face
// copy the vertex information into OMVR.IRendering structures
OMVR.FacetedMesh omvrmesh = new OMVR.FacetedMesh();
omvrmesh.Faces = new List <OMVR.Face>();
omvrmesh.Prim = prim;
omvrmesh.Profile = new OMVR.Profile();
omvrmesh.Profile.Faces = new List <OMVR.ProfileFace>();
omvrmesh.Profile.Positions = new List <OMV.Vector3>();
omvrmesh.Path = new OMVR.Path();
omvrmesh.Path.Points = new List <OMVR.PathPoint>();
for (int ii = 0; ii < numPrimFaces; ii++)
{
OMVR.Face oface = new OMVR.Face();
oface.Vertices = new List <OMVR.Vertex>();
oface.Indices = new List <ushort>();
oface.TextureFace = prim.Textures.GetFace((uint)ii);
int faceVertices = 0;
foreach (PrimMesher.ViewerFace vface in newMesh.viewerFaces)
{
OMVR.Vertex vert = new OMVR.Vertex();
vert.Position = new OMV.Vector3(vface.v1.X, vface.v1.Y, vface.v1.Z);
vert.TexCoord = new OMV.Vector2(vface.uv1.U, 1.0f - vface.uv1.V);
vert.Normal = new OMV.Vector3(vface.n1.X, vface.n1.Y, vface.n1.Z);
oface.Vertices.Add(vert);
vert = new OMVR.Vertex();
vert.Position = new OMV.Vector3(vface.v2.X, vface.v2.Y, vface.v2.Z);
vert.TexCoord = new OMV.Vector2(vface.uv2.U, 1.0f - vface.uv2.V);
vert.Normal = new OMV.Vector3(vface.n2.X, vface.n2.Y, vface.n2.Z);
oface.Vertices.Add(vert);
vert = new OMVR.Vertex();
vert.Position = new OMV.Vector3(vface.v3.X, vface.v3.Y, vface.v3.Z);
vert.TexCoord = new OMV.Vector2(vface.uv3.U, 1.0f - vface.uv3.V);
vert.Normal = new OMV.Vector3(vface.n3.X, vface.n3.Y, vface.n3.Z);
oface.Vertices.Add(vert);
oface.Indices.Add((ushort)(faceVertices * 3 + 0));
oface.Indices.Add((ushort)(faceVertices * 3 + 1));
oface.Indices.Add((ushort)(faceVertices * 3 + 2));
faceVertices++;
}
if (faceVertices > 0)
{
oface.TextureFace = prim.Textures.FaceTextures[ii];
if (oface.TextureFace == null)
{
oface.TextureFace = prim.Textures.DefaultTexture;
}
oface.ID = ii;
omvrmesh.Faces.Add(oface);
}
}
return(omvrmesh);
}