// Add the submesh to the passed FacetedMesh as a new face.
private void AddSubMesh(OMV.Primitive prim, int faceIndex, OSD subMeshOsd, ref OMVR.FacetedMesh holdingMesh)
{
if (subMeshOsd is OSDMap subMesh)
{
// As per http://wiki.secondlife.com/wiki/Mesh/Mesh_Asset_Format, some Mesh Level
// of Detail Blocks (maps) contain just a NoGeometry key to signal there is no
// geometry for this submesh.
if (subMesh.ContainsKey("NoGeometry") && ((OSDBoolean)subMesh["NoGeometry"]))
{
return;
}
Face oface = new Face
{
ID = faceIndex,
Vertices = new List <Vertex>(),
Indices = new List <ushort>(),
TextureFace = prim.Textures.GetFace((uint)faceIndex)
};
OSDMap subMeshMap = subMesh;
oface.Vertices = CollectVertices(subMeshMap);
oface.Indices = CollectIndices(subMeshMap);
holdingMesh.Faces.Add(oface);
}
}
/// <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);
}
public FacetedMesh GenerateFacetedMesh(Primitive prim, DetailLevel lod)
{
Path path = GeneratePath();
Profile profile = GenerateProfile();
FacetedMesh mesh = new FacetedMesh();
mesh.Prim = prim;
mesh.Path = path;
mesh.Profile = profile;
mesh.Faces = GenerateFaces(prim.Textures);
return mesh;
}
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);
}));
}
public FacetedMesh GenerateFacetedMesh(Primitive prim, DetailLevel lod)
{
Path path = GeneratePath();
Profile profile = GenerateProfile();
FacetedMesh mesh = new FacetedMesh();
mesh.Prim = prim;
mesh.Path = path;
mesh.Profile = profile;
mesh.Faces = GenerateFaces(prim.Textures);
return(mesh);
}
public FacetedMesh GenerateFacetedMesh(Primitive prim, DetailLevel lod)
{
float detail = DETAIL_LEVELS[(int)lod];
Path path = GeneratePath(prim.Data, detail);
Profile profile = GenerateProfile(prim.Data, path, detail);
List<Vertex> vertices = GenerateVertices(prim.Data, detail, path, profile);
FacetedMesh mesh = new FacetedMesh();
mesh.Prim = prim;
mesh.Path = path;
mesh.Profile = profile;
mesh.Faces = CreateVolumeFaces(prim, path, profile, vertices);
return mesh;
}
// Convert a compressed submesh buffer into a FacetedMesh.
public FacetedMesh MeshSubMeshAsFacetedMesh(OMV.Primitive prim, byte[] compressedMeshData)
{
FacetedMesh ret = null;
OSD meshOSD = Helpers.DecompressOSD(compressedMeshData);
OSDArray meshFaces = meshOSD as OSDArray;
if (meshFaces != null)
{
ret = new FacetedMesh {
Faces = new List <Face>()
};
for (int faceIndex = 0; faceIndex < meshFaces.Count; faceIndex++)
{
AddSubMesh(prim, faceIndex, meshFaces[faceIndex], ref ret);
}
}
return(ret);
}
/// <summary>
/// Generates a sculpt 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</returns>
public OMVR.SimpleMesh GenerateSimpleSculptMesh(OMV.Primitive prim, Bitmap bits, OMVR.DetailLevel lod)
{
OMVR.FacetedMesh faceted = GenerateFacetedSculptMesh(prim, bits, lod);
if (faceted != null && faceted.Faces.Count == 1)
{
OMVR.Face face = faceted.Faces[0];
OMVR.SimpleMesh mesh = new OMVR.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);
}
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> 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);
});
}));
}
// 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);
}
// The mesh reader code is organized so it can be used in several different ways:
//
// 1. Fetch the highest detail displayable mesh as a FacetedMesh:
// var facetedMesh = GenerateFacetedMeshMesh(prim, meshData);
// 2. Get the header, examine the submeshes available, and extract the part
// desired (good if getting a different LOD of mesh):
// OSDMap meshParts = UnpackMesh(meshData);
// if (meshParts.ContainsKey("medium_lod"))
// var facetedMesh = MeshSubMeshAsFacetedMesh(prim, meshParts["medium_lod"]):
// 3. Get a simple mesh from one of the submeshes (good if just getting a physics version):
// OSDMap meshParts = UnpackMesh(meshData);
// OMV.Mesh flatMesh = MeshSubMeshAsSimpleMesh(prim, meshParts["physics_mesh"]);
//
// "physics_convex" is specially formatted so there is another routine to unpack
// that section:
// OSDMap meshParts = UnpackMesh(meshData);
// if (meshParts.ContainsKey("physics_convex"))
// OSMap hullPieces = MeshSubMeshAsConvexHulls(prim, meshParts["physics_convex"]):
//
// LL mesh format detailed at http://wiki.secondlife.com/wiki/Mesh/Mesh_Asset_Format
/// <summary>
/// Create a mesh faceted mesh from the compressed mesh data.
/// This returns the highest LOD renderable version of the mesh.
///
/// The actual mesh data is fetched and passed to this
/// routine since all the context for finding the data is elsewhere.
/// </summary>
/// <returns>The faceted mesh or null if can't do it</returns>
public OMVR.FacetedMesh GenerateFacetedMeshMesh(OMV.Primitive prim, byte[] meshData)
{
OMVR.FacetedMesh ret = null;
OSDMap meshParts = UnpackMesh(meshData);
if (meshParts != null)
{
byte[] meshBytes = null;
string[] decreasingLOD = { "high_lod", "medium_lod", "low_lod", "lowest_lod" };
foreach (string partName in decreasingLOD)
{
if (meshParts.ContainsKey(partName))
{
meshBytes = meshParts[partName];
break;
}
}
if (meshBytes != null)
{
ret = MeshSubMeshAsFacetedMesh(prim, meshBytes);
}
}
return(ret);
}
//public void SetView(OpenMetaverse.Vector3 center, int roll, int pitch, int yaw, int zoom)
//{
// this.Center = center;
// scrollRoll.Value = roll;
// scrollPitch.Value = pitch;
// scrollYaw.Value = yaw;
// scrollZoom.Value = zoom;
//}
public static FacetedMesh GenerateFacetedMesh(Primitive prim, OSDMap MeshData, DetailLevel LOD)
{
FacetedMesh ret = new FacetedMesh();
ret.Faces = new List<Face>();
ret.Prim = prim;
ret.Profile = new Profile();
ret.Profile.Faces = new List<ProfileFace>();
ret.Profile.Positions = new List<OpenMetaverse.Vector3>();
ret.Path = new OpenMetaverse.Rendering.Path();
ret.Path.Points = new List<PathPoint>();
try
{
OSD facesOSD = null;
switch (LOD)
{
default:
case DetailLevel.Highest:
facesOSD = MeshData["high_lod"];
break;
case DetailLevel.High:
facesOSD = MeshData["medium_lod"];
break;
case DetailLevel.Medium:
facesOSD = MeshData["low_lod"];
break;
case DetailLevel.Low:
facesOSD = MeshData["lowest_lod"];
break;
}
if (facesOSD == null || !(facesOSD is OSDArray))
{
return ret;
}
OSDArray decodedMeshOsdArray = (OSDArray)facesOSD;
for (int faceNr = 0; faceNr < decodedMeshOsdArray.Count; faceNr++)
{
OSD subMeshOsd = decodedMeshOsdArray[faceNr];
Face oface = new Face();
oface.ID = faceNr;
oface.Vertices = new List<Vertex>();
oface.Indices = new List<ushort>();
oface.TextureFace = prim.Textures.GetFace((uint)faceNr);
if (subMeshOsd is OSDMap)
{
OSDMap subMeshMap = (OSDMap)subMeshOsd;
OpenMetaverse.Vector3 posMax = new OpenMetaverse.Vector3();
posMax = ((OSDMap)subMeshMap["PositionDomain"])["Max"];
OpenMetaverse.Vector3 posMin = new OpenMetaverse.Vector3();
posMin = ((OSDMap)subMeshMap["PositionDomain"])["Min"];
OpenMetaverse.Vector2 texPosMax = new OpenMetaverse.Vector2();
texPosMax = ((OSDMap)subMeshMap["TexCoord0Domain"])["Max"];
OpenMetaverse.Vector2 texPosMin = new OpenMetaverse.Vector2();
texPosMin = ((OSDMap)subMeshMap["TexCoord0Domain"])["Min"];
byte[] posBytes = subMeshMap["Position"];
byte[] norBytes = subMeshMap["Normal"];
byte[] texBytes = subMeshMap["TexCoord0"];
for (int i = 0; i < posBytes.Length; i += 6)
{
ushort uX = Utils.BytesToUInt16(posBytes, i);
ushort uY = Utils.BytesToUInt16(posBytes, i + 2);
ushort uZ = Utils.BytesToUInt16(posBytes, i + 4);
Vertex vx = new Vertex();
vx.Position = new OpenMetaverse.Vector3(
Utils.UInt16ToFloat(uX, posMin.X, posMax.X),
Utils.UInt16ToFloat(uY, posMin.Y, posMax.Y),
Utils.UInt16ToFloat(uZ, posMin.Z, posMax.Z));
ushort nX = Utils.BytesToUInt16(norBytes, i);
ushort nY = Utils.BytesToUInt16(norBytes, i + 2);
ushort nZ = Utils.BytesToUInt16(norBytes, i + 4);
vx.Normal = new OpenMetaverse.Vector3(
Utils.UInt16ToFloat(nX, posMin.X, posMax.X),
Utils.UInt16ToFloat(nY, posMin.Y, posMax.Y),
Utils.UInt16ToFloat(nZ, posMin.Z, posMax.Z));
var vertexIndexOffset = oface.Vertices.Count * 4;
if (texBytes != null && texBytes.Length >= vertexIndexOffset + 4)
{
ushort tX = Utils.BytesToUInt16(texBytes, vertexIndexOffset);
ushort tY = Utils.BytesToUInt16(texBytes, vertexIndexOffset + 2);
vx.TexCoord = new OpenMetaverse.Vector2(
Utils.UInt16ToFloat(tX, texPosMin.X, texPosMax.X),
Utils.UInt16ToFloat(tY, texPosMin.Y, texPosMax.Y));
}
oface.Vertices.Add(vx);
}
byte[] triangleBytes = subMeshMap["TriangleList"];
for (int i = 0; i < triangleBytes.Length; i += 6)
{
ushort v1 = (ushort)(Utils.BytesToUInt16(triangleBytes, i));
oface.Indices.Add(v1);
ushort v2 = (ushort)(Utils.BytesToUInt16(triangleBytes, i + 2));
oface.Indices.Add(v2);
ushort v3 = (ushort)(Utils.BytesToUInt16(triangleBytes, i + 4));
oface.Indices.Add(v3);
}
}
ret.Faces.Add(oface);
}
}
catch (Exception ex)
{
Logger.Log("Failed to decode mesh asset: " + ex.Message, Helpers.LogLevel.Warning);
}
return ret;
}
List<MaterialInfo> GetMaterials(FacetedMesh obj)
{
var ret = new List<MaterialInfo>();
for (int face_num = 0; face_num < obj.Faces.Count; face_num++)
{
var te = obj.Faces[(int)face_num].TextureFace;
if (SkipTransparentFaces && te.RGBA.A < 0.01f)
{
continue;
}
var mat = GetMaterial(te);
if (!ret.Contains(mat))
{
ret.Add(mat);
}
}
return ret;
}
List<int> GetFacesWithMaterial(FacetedMesh obj, MaterialInfo mat)
{
var ret = new List<int>();
for (int face_num = 0; face_num < obj.Faces.Count; face_num++)
{
if (mat == GetMaterial(obj.Faces[(int)face_num].TextureFace))
{
ret.Add(face_num);
}
}
return ret;
}
void AddPolygons(XmlNode mesh, string geomID, string materialID, FacetedMesh obj, List<int> faces_to_include)
{
var polylist = mesh.AppendChild(Doc.CreateElement("polylist"));
polylist.Attributes.Append(Doc.CreateAttribute("material")).InnerText = materialID;
// Vertices semantic
{
var input = polylist.AppendChild(Doc.CreateElement("input"));
input.Attributes.Append(Doc.CreateAttribute("semantic")).InnerText = "VERTEX";
input.Attributes.Append(Doc.CreateAttribute("offset")).InnerText = "0";
input.Attributes.Append(Doc.CreateAttribute("source")).InnerText = string.Format("#{0}-{1}", geomID, "vertices");
}
// Normals semantic
{
var input = polylist.AppendChild(Doc.CreateElement("input"));
input.Attributes.Append(Doc.CreateAttribute("semantic")).InnerText = "NORMAL";
input.Attributes.Append(Doc.CreateAttribute("offset")).InnerText = "0";
input.Attributes.Append(Doc.CreateAttribute("source")).InnerText = string.Format("#{0}-{1}", geomID, "normals");
}
// UV semantic
{
var input = polylist.AppendChild(Doc.CreateElement("input"));
input.Attributes.Append(Doc.CreateAttribute("semantic")).InnerText = "TEXCOORD";
input.Attributes.Append(Doc.CreateAttribute("offset")).InnerText = "0";
input.Attributes.Append(Doc.CreateAttribute("source")).InnerText = string.Format("#{0}-{1}", geomID, "map0");
}
// Save indices
var vcount = polylist.AppendChild(Doc.CreateElement("vcount"));
var p = polylist.AppendChild(Doc.CreateElement("p"));
int index_offset = 0;
int num_tris = 0;
StringBuilder pBuilder = new StringBuilder();
StringBuilder vcountBuilder = new StringBuilder();
for (int face_num = 0; face_num < obj.Faces.Count; face_num++)
{
var face = obj.Faces[face_num];
if (faces_to_include == null || faces_to_include.Contains(face_num))
{
for (int i = 0; i < face.Indices.Count; i++)
{
int index = index_offset + face.Indices[i];
pBuilder.Append(index);
pBuilder.Append(" ");
if (i % 3 == 0)
{
vcountBuilder.Append("3 ");
num_tris++;
}
}
}
index_offset += face.Vertices.Count;
}
p.InnerText = pBuilder.ToString().TrimEnd();
vcount.InnerText = vcountBuilder.ToString().TrimEnd();
polylist.Attributes.Append(Doc.CreateAttribute("count")).InnerText = num_tris.ToString();
}
void ProcessPrim(FacetedMesh mesh)
{
if (objects.ContainsKey(mesh.Prim.LocalID))
return;
GameObject parent = null;
if (mesh.Prim.ParentID != 0)
{
if (!objects.ContainsKey(mesh.Prim.ParentID))
{
if (newPrims.ContainsKey(mesh.Prim.ParentID) == false)
return;//temperarily ignore the prim
ProcessPrim(newPrims[mesh.Prim.ParentID]);
}
parent = objects[mesh.Prim.ParentID];
}
else
parent = primObjects;
GameObject obj = new GameObject(mesh.Prim.LocalID.ToString());
// Create vertices, uv, triangles for EACH FACE that stores the 3D data in Unity3D friendly format
for (int j = 0; j < mesh.Faces.Count; j++)
{
Face face = mesh.Faces[j];
GameObject faceObj = new GameObject("face" + j.ToString());
faceObj.transform.parent = obj.transform;
MeshRenderer mr = (faceObj.AddComponent("MeshRenderer") as MeshRenderer);
if (Application.platform == RuntimePlatform.WindowsPlayer
|| Application.platform == RuntimePlatform.WindowsEditor)
{
UnityEngine.Material mat = m_textures.GetMaterial(face.TextureFace.TextureID);
//Texture2D tex = m_textures.GetTexture2D(face.TextureFace.TextureID);
if (mat != null)
mr.material = mat;
else
mr.material = m_defaultObjectMat;
}
else
mr.material = m_defaultObjectMat;
UnityEngine.Mesh unityMesh = (faceObj.AddComponent("MeshFilter") as MeshFilter).mesh;
Utility.MakeMesh(unityMesh, face, 0, face.Vertices.Count - 1, 0, face.Indices.Count - 1, 0);
}
//second life's child object's position and rotation is local, but scale are global.
//So we have to set parent when setting position, and unset parent when setting rotation and scale.
//Radegast explains well:
//pos = parentPos + obj.InterpolatedPosition * parentRot;
//rot = parentRot * obj.InterpolatedRotation;
obj.transform.position = parent.transform.position +
parent.transform.rotation * new UnityEngine.Vector3(mesh.Prim.Position.X, mesh.Prim.Position.Y, -mesh.Prim.Position.Z);
//we invert the z axis, and Second Life rotatation is about right hand, but Unity rotation is about left hand, so we negate the x and y part of the quaternion.
//You have to deeply understand the quaternion to understand this.
obj.transform.rotation = parent.transform.rotation * new UnityEngine.Quaternion(-mesh.Prim.Rotation.X, -mesh.Prim.Rotation.Y, mesh.Prim.Rotation.Z, mesh.Prim.Rotation.W);
obj.transform.localScale = new UnityEngine.Vector3(mesh.Prim.Scale.X, mesh.Prim.Scale.Y, mesh.Prim.Scale.Z);
objects[mesh.Prim.LocalID] = obj;
obj.transform.parent = primObjects.transform;
//Debug.Log("prim " + mesh.Prim.LocalID.ToString() + ": Pos,"+mesh.Prim.Position.ToString() + " Rot,"+mesh.Prim.Rotation.ToString() + " Scale,"+mesh.Prim.Scale.ToString());
//Sadly, when it comes to non-uniform scale parent, Unity will skew the child, so we cannot make hierachy of the objects.
}
/// <summary>
/// Given a FacetedMesh, create a DisplayableRenderable (a list of RenderableMesh's with materials).
/// This also creates underlying MesnInfo, MaterialInfo, and ImageInfo in the AssetFetcher.
/// </summary>
/// <param name="assetFetcher"></param>
/// <param name="fmesh">The FacetedMesh to convert into Renderables</param>
/// <param name="defaultTexture">If a face doesn't have a texture defined, use this one.
/// This is an OMV.Primitive.TextureEntryFace that includes a lot of OpenSimulator material info.</param>
/// <param name="primScale">Scaling for the base prim that is used when appliying any texture
/// to the face (updating UV).</param>
/// <returns></returns>
private DisplayableRenderable ConvertFacetedMeshToDisplayable(IAssetFetcher assetFetcher, OMVR.FacetedMesh fmesh,
OMV.Primitive.TextureEntryFace defaultTexture, OMV.Vector3 primScale)
{
RenderableMeshGroup ret = new RenderableMeshGroup();
ret.meshes.AddRange(fmesh.Faces.Where(face => face.Indices.Count > 0).Select(face => {
return(ConvertFaceToRenderableMesh(face, assetFetcher, defaultTexture, primScale));
}));
// ConvOAR.Globals.log.DebugFormat("{0} ConvertFacetedMeshToDisplayable: complete. numMeshes={1}", _logHeader, ret.meshes.Count);
return(ret);
}
/// <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;
}
/// <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;
// 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;
}
/// <summary>
/// Helper to parse mesh because no method exists
/// to parse mesh assets to SimpleMesh.
/// </summary>
private void AddBoundingBoxOfFacetedMesh(FacetedMesh mesh, Primitive prim, bool hasParent, ref Vector3 lower, ref Vector3 upper, ref int count)
{
if (mesh != null)
{
// Parse each face in mesh
// since vertex array isn't populated.
// This parses each unique vertex 3-6 times.
foreach (Face face in mesh.Faces)
{
// Parse each vertex in face
foreach (Vertex vertex in face.Vertices)
{
Vector3 position = vertex.Position;
position = position * prim.Scale;
// Rotate part unless part is root
if (hasParent)
position = position * prim.Rotation;
position = position + prim.Position;
// Adjust lower and upper bounding box corners if needed
lower = Vector3.Min(lower, position);
upper = Vector3.Max(upper, position);
count++;
}
}
}
}
private void cboPrim_SelectedIndexChanged(object sender, EventArgs e)
{
CurrentPrim = (FacetedMesh)cboPrim.Items[cboPrim.SelectedIndex];
PopulateFaceCombobox();
glControl.Invalidate();
}
/// <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(Primitive prim, Bitmap scupltTexture, DetailLevel lod)
{
LibreMetaverse.PrimMesher.SculptMesh.SculptType smSculptType;
switch (prim.Sculpt.Type)
{
case SculptType.Cylinder:
smSculptType = LibreMetaverse.PrimMesher.SculptMesh.SculptType.cylinder;
break;
case SculptType.Plane:
smSculptType = LibreMetaverse.PrimMesher.SculptMesh.SculptType.plane;
break;
case SculptType.Sphere:
smSculptType = LibreMetaverse.PrimMesher.SculptMesh.SculptType.sphere;
break;
case SculptType.Torus:
smSculptType = LibreMetaverse.PrimMesher.SculptMesh.SculptType.torus;
break;
default:
smSculptType = LibreMetaverse.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;
}
LibreMetaverse.PrimMesher.SculptMesh newMesh =
new LibreMetaverse.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
FacetedMesh omvrmesh = new OMVR.FacetedMesh
{
Faces = new List <OMVR.Face>(),
Prim = prim,
Profile = new OMVR.Profile
{
Faces = new List <OMVR.ProfileFace>(),
Positions = new List <OMV.Vector3>()
},
Path = new OMVR.Path {
Points = new List <OMVR.PathPoint>()
}
};
for (int ii = 0; ii < numPrimFaces; ii++)
{
Face oface = new OMVR.Face
{
Vertices = new List <OMVR.Vertex>(),
Indices = new List <ushort>(),
TextureFace = prim.Textures.GetFace((uint)ii)
};
int faceVertices = newMesh.coords.Count;
for (int j = 0; j < faceVertices; j++)
{
var vert = new OMVR.Vertex
{
Position = new Vector3(newMesh.coords[j].X, newMesh.coords[j].Y, newMesh.coords[j].Z),
Normal = new Vector3(newMesh.normals[j].X, newMesh.normals[j].Y, newMesh.normals[j].Z),
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] ?? prim.Textures.DefaultTexture;
oface.ID = ii;
omvrmesh.Faces.Add(oface);
}
}
return(omvrmesh);
}
private OMVR.FacetedMesh GenerateIRendererMesh(int numPrimFaces, OMV.Primitive prim,
List<PrimMesher.ViewerFace> viewerFaces)
{
// 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>();
OMV.Vector3 pos;
int indx;
OMVR.Vertex vert;
for (int ii=0; ii<numPrimFaces; ii++) {
OMVR.Face oface = new OMVR.Face();
oface.Vertices = new List<OMVR.Vertex>();
oface.Indices = new List<ushort>();
if (prim.Textures == null) {
oface.TextureFace = null;
}
else {
oface.TextureFace = prim.Textures.GetFace((uint)ii);
}
int faceVertices = 0;
vertexAccount.Clear();
foreach (PrimMesher.ViewerFace vface in viewerFaces) {
if (vface.primFaceNumber == ii) {
faceVertices++;
pos = new OMV.Vector3(vface.v1.X, vface.v1.Y, vface.v1.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.uv1.U, vface.uv1.V);
vert.Normal = new OMV.Vector3(vface.n1.X, vface.n1.Y, vface.n1.Z);
vert.Normal.Normalize();
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, vface.uv2.V);
vert.Normal = new OMV.Vector3(vface.n2.X, vface.n2.Y, vface.n2.Z);
vert.Normal.Normalize();
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, vface.uv3.V);
vert.Normal = new OMV.Vector3(vface.n3.X, vface.n3.Y, vface.n3.Z);
vert.Normal.Normalize();
oface.Vertices.Add(vert);
indx = oface.Vertices.Count - 1;
vertexAccount.Add(pos, indx);
oface.Indices.Add((ushort)indx);
}
}
}
if (faceVertices > 0) {
oface.TextureFace = null;
if (prim.Textures != null) {
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>
/// Decodes mesh asset into FacetedMesh
/// </summary>
/// <param name="prim">Mesh primitive</param>
/// <param name="meshAsset">Asset retrieved from the asset server</param>
/// <param name="LOD">Level of detail</param>
/// <param name="mesh">Resulting decoded FacetedMesh</param>
/// <returns>True if mesh asset decoding was successful</returns>
public static bool TryDecodeFromAsset(Primitive prim, AssetMesh meshAsset, DetailLevel LOD, out FacetedMesh mesh)
{
mesh = null;
try
{
if (!meshAsset.Decode())
{
return false;
}
OSDMap MeshData = meshAsset.MeshData;
mesh = new FacetedMesh();
mesh.Faces = new List<Face>();
mesh.Prim = prim;
mesh.Profile.Faces = new List<ProfileFace>();
mesh.Profile.Positions = new List<Vector3>();
mesh.Path.Points = new List<PathPoint>();
OSD facesOSD = null;
switch (LOD)
{
default:
case DetailLevel.Highest:
facesOSD = MeshData["high_lod"];
break;
case DetailLevel.High:
facesOSD = MeshData["medium_lod"];
break;
case DetailLevel.Medium:
facesOSD = MeshData["low_lod"];
break;
case DetailLevel.Low:
facesOSD = MeshData["lowest_lod"];
break;
}
if (facesOSD == null || !(facesOSD is OSDArray))
{
return false;
}
OSDArray decodedMeshOsdArray = (OSDArray)facesOSD;
for (int faceNr = 0; faceNr < decodedMeshOsdArray.Count; faceNr++)
{
OSD subMeshOsd = decodedMeshOsdArray[faceNr];
// Decode each individual face
if (subMeshOsd is OSDMap)
{
Face oface = new Face();
oface.ID = faceNr;
oface.Vertices = new List<Vertex>();
oface.Indices = new List<ushort>();
oface.TextureFace = prim.Textures.GetFace((uint)faceNr);
OSDMap subMeshMap = (OSDMap)subMeshOsd;
Vector3 posMax;
Vector3 posMin;
// If PositionDomain is not specified, the default is from -0.5 to 0.5
if (subMeshMap.ContainsKey("PositionDomain"))
{
posMax = ((OSDMap)subMeshMap["PositionDomain"])["Max"];
posMin = ((OSDMap)subMeshMap["PositionDomain"])["Min"];
}
else
{
posMax = new Vector3(0.5f, 0.5f, 0.5f);
posMin = new Vector3(-0.5f, -0.5f, -0.5f);
}
// Vertex positions
byte[] posBytes = subMeshMap["Position"];
// Normals
byte[] norBytes = null;
if (subMeshMap.ContainsKey("Normal"))
{
norBytes = subMeshMap["Normal"];
}
// UV texture map
Vector2 texPosMax = Vector2.Zero;
Vector2 texPosMin = Vector2.Zero;
byte[] texBytes = null;
if (subMeshMap.ContainsKey("TexCoord0"))
{
texBytes = subMeshMap["TexCoord0"];
texPosMax = ((OSDMap)subMeshMap["TexCoord0Domain"])["Max"];
texPosMin = ((OSDMap)subMeshMap["TexCoord0Domain"])["Min"];
}
// Extract the vertex position data
// If present normals and texture coordinates too
for (int i = 0; i < posBytes.Length; i += 6)
{
ushort uX = Utils.BytesToUInt16(posBytes, i);
ushort uY = Utils.BytesToUInt16(posBytes, i + 2);
ushort uZ = Utils.BytesToUInt16(posBytes, i + 4);
Vertex vx = new Vertex();
vx.Position = new Vector3(
Utils.UInt16ToFloat(uX, posMin.X, posMax.X),
Utils.UInt16ToFloat(uY, posMin.Y, posMax.Y),
Utils.UInt16ToFloat(uZ, posMin.Z, posMax.Z));
if (norBytes != null && norBytes.Length >= i + 4)
{
ushort nX = Utils.BytesToUInt16(norBytes, i);
ushort nY = Utils.BytesToUInt16(norBytes, i + 2);
ushort nZ = Utils.BytesToUInt16(norBytes, i + 4);
vx.Normal = new Vector3(
Utils.UInt16ToFloat(nX, posMin.X, posMax.X),
Utils.UInt16ToFloat(nY, posMin.Y, posMax.Y),
Utils.UInt16ToFloat(nZ, posMin.Z, posMax.Z));
}
var vertexIndexOffset = oface.Vertices.Count * 4;
if (texBytes != null && texBytes.Length >= vertexIndexOffset + 4)
{
ushort tX = Utils.BytesToUInt16(texBytes, vertexIndexOffset);
ushort tY = Utils.BytesToUInt16(texBytes, vertexIndexOffset + 2);
vx.TexCoord = new Vector2(
Utils.UInt16ToFloat(tX, texPosMin.X, texPosMax.X),
Utils.UInt16ToFloat(tY, texPosMin.Y, texPosMax.Y));
}
oface.Vertices.Add(vx);
}
byte[] triangleBytes = subMeshMap["TriangleList"];
for (int i = 0; i < triangleBytes.Length; i += 6)
{
ushort v1 = (ushort)(Utils.BytesToUInt16(triangleBytes, i));
oface.Indices.Add(v1);
ushort v2 = (ushort)(Utils.BytesToUInt16(triangleBytes, i + 2));
oface.Indices.Add(v2);
ushort v3 = (ushort)(Utils.BytesToUInt16(triangleBytes, i + 4));
oface.Indices.Add(v3);
}
mesh.Faces.Add(oface);
}
}
}
catch (Exception ex)
{
Logger.Log("Failed to decode mesh asset: " + ex.Message, Helpers.LogLevel.Warning);
return false;
}
return true;
}
/// <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 OMVR.FacetedMesh GenerateIRendererMesh(int numPrimFaces, OMV.Primitive prim,
List <PrimMesher.ViewerFace> viewerFaces)
{
// 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>();
OMV.Vector3 pos;
int indx;
OMVR.Vertex vert;
for (int ii = 0; ii < numPrimFaces; ii++)
{
OMVR.Face oface = new OMVR.Face();
oface.Vertices = new List <OMVR.Vertex>();
oface.Indices = new List <ushort>();
if (prim.Textures == null)
{
oface.TextureFace = null;
}
else
{
oface.TextureFace = prim.Textures.GetFace((uint)ii);
}
int faceVertices = 0;
vertexAccount.Clear();
foreach (PrimMesher.ViewerFace vface in viewerFaces)
{
if (vface.primFaceNumber == ii)
{
faceVertices++;
pos = new OMV.Vector3(vface.v1.X, vface.v1.Y, vface.v1.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.uv1.U, vface.uv1.V);
vert.Normal = new OMV.Vector3(vface.n1.X, vface.n1.Y, vface.n1.Z);
vert.Normal.Normalize();
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, vface.uv2.V);
vert.Normal = new OMV.Vector3(vface.n2.X, vface.n2.Y, vface.n2.Z);
vert.Normal.Normalize();
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, vface.uv3.V);
vert.Normal = new OMV.Vector3(vface.n3.X, vface.n3.Y, vface.n3.Z);
vert.Normal.Normalize();
oface.Vertices.Add(vert);
indx = oface.Vertices.Count - 1;
vertexAccount.Add(pos, indx);
oface.Indices.Add((ushort)indx);
}
}
}
if (faceVertices > 0)
{
oface.TextureFace = null;
if (prim.Textures != null)
{
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 bool TryPick(int x, int y, out FacetedMesh picked, out int faceID)
{
// Save old attributes
GL.PushAttrib(AttribMask.AllAttribBits);
// Disable some attributes to make the objects flat / solid color when they are drawn
GL.Disable(EnableCap.Fog);
GL.Disable(EnableCap.Texture2D);
GL.Disable(EnableCap.Dither);
GL.Disable(EnableCap.Lighting);
GL.Disable(EnableCap.LineStipple);
GL.Disable(EnableCap.PolygonStipple);
GL.Disable(EnableCap.CullFace);
GL.Disable(EnableCap.Blend);
GL.Disable(EnableCap.AlphaTest);
Render(true);
byte[] color = new byte[4];
GL.ReadPixels(x, glControl.Height - y, 1, 1, OpenTK.Graphics.OpenGL.PixelFormat.Rgba, PixelType.UnsignedByte, color);
GL.PopAttrib();
int primID = Utils.BytesToUInt16(color, 0);
faceID = color[2];
picked = null;
lock (Prims)
{
foreach (var mesh in Prims.Values)
{
foreach (var face in mesh.Faces)
{
if (((FaceData)face.UserData).PickingID == primID)
{
picked = mesh;
break;
}
}
if (picked != null) break;
}
}
return picked != null;
}
public FacetedMesh GenerateFacetedSculptMesh(Primitive prim, Bitmap sculptTexture, DetailLevel lod)
{
if (prim.Sculpt == null || sculptTexture == null)
return null;
float detail = DETAIL_LEVELS[(int)lod];
SculptType sculptType = prim.Sculpt.Type;
int width = sculptTexture.Width;
int height = sculptTexture.Height;
int requestedSizeS, requestedSizeT;
GetSculptMeshResolution(width, height, detail, out requestedSizeS, out requestedSizeT);
Path path = GeneratePath(prim.PrimData, detail, true, requestedSizeS);
Profile profile = GenerateProfile(prim.PrimData, path, detail, true, requestedSizeT);
// We requested specific sizes, now see what we really got
int sizeS = path.Points.Count;
int sizeT = profile.Positions.Count;
Debug.Assert(sizeS > 0 && sizeT > 0, "Bad sculpt mesh size " + sizeS + " " + sizeT);
// Generate vertex positions
List<Vertex> vertices = GenerateSculptMesh(width, height, sizeS, sizeT, sculptType, prim.Sculpt.Invert, prim.Sculpt.Mirror, sculptTexture);
// TODO: Calculate the surface area to test if this is a degenerate mesh and if so, replace it with a placeholder
List<Face> faces = CreateVolumeFaces(prim, path, profile, vertices, true);
FacetedMesh mesh = new FacetedMesh();
mesh.Faces = faces;
mesh.Path = path;
mesh.Profile = profile;
mesh.Prim = prim;
return mesh;
}
/// <summary>
/// Helper to parse FacetedMesh for ray hits.
/// </summary>
private void AddRayInFacetedMesh(FacetedMesh mesh, RayTrans rayTrans, ref List<RayHit> rayHits)
{
if (mesh != null)
{
foreach (Face face in mesh.Faces)
{
for (int i = 0; i < face.Indices.Count; i += 3)
{
Tri triangle = new Tri();
triangle.p1 = face.Vertices[face.Indices[i]].Position;
triangle.p2 = face.Vertices[face.Indices[i + 1]].Position;
triangle.p3 = face.Vertices[face.Indices[i + 2]].Position;
AddRayInTri(triangle, rayTrans, ref rayHits);
}
}
}
}
/// <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;
}
/// <summary>
/// Decodes mesh asset into FacetedMesh
/// </summary>
/// <param name="prim">Mesh primitive</param>
/// <param name="meshAsset">Asset retrieved from the asset server</param>
/// <param name="LOD">Level of detail</param>
/// <param name="mesh">Resulting decoded FacetedMesh</param>
/// <returns>True if mesh asset decoding was successful</returns>
public static bool TryDecodeFromAsset(Primitive prim, AssetMesh meshAsset, DetailLevel LOD, out FacetedMesh mesh)
{
mesh = null;
try
{
if (!meshAsset.Decode())
{
return(false);
}
OSDMap MeshData = meshAsset.MeshData;
mesh = new FacetedMesh();
mesh.Faces = new List <Face>();
mesh.Prim = prim;
mesh.Profile.Faces = new List <ProfileFace>();
mesh.Profile.Positions = new List <Vector3>();
mesh.Path.Points = new List <PathPoint>();
OSD facesOSD = null;
switch (LOD)
{
default:
case DetailLevel.Highest:
facesOSD = MeshData["high_lod"];
break;
case DetailLevel.High:
facesOSD = MeshData["medium_lod"];
break;
case DetailLevel.Medium:
facesOSD = MeshData["low_lod"];
break;
case DetailLevel.Low:
facesOSD = MeshData["lowest_lod"];
break;
}
if (facesOSD == null || !(facesOSD is OSDArray))
{
return(false);
}
OSDArray decodedMeshOsdArray = (OSDArray)facesOSD;
for (int faceNr = 0; faceNr < decodedMeshOsdArray.Count; faceNr++)
{
OSD subMeshOsd = decodedMeshOsdArray[faceNr];
// Decode each individual face
if (subMeshOsd is OSDMap)
{
Face oface = new Face();
oface.ID = faceNr;
oface.Vertices = new List <Vertex>();
oface.Indices = new List <ushort>();
oface.TextureFace = prim.Textures.GetFace((uint)faceNr);
OSDMap subMeshMap = (OSDMap)subMeshOsd;
Vector3 posMax;
Vector3 posMin;
// If PositionDomain is not specified, the default is from -0.5 to 0.5
if (subMeshMap.ContainsKey("PositionDomain"))
{
posMax = ((OSDMap)subMeshMap["PositionDomain"])["Max"];
posMin = ((OSDMap)subMeshMap["PositionDomain"])["Min"];
}
else
{
posMax = new Vector3(0.5f, 0.5f, 0.5f);
posMin = new Vector3(-0.5f, -0.5f, -0.5f);
}
// Vertex positions
byte[] posBytes = subMeshMap["Position"];
// Normals
byte[] norBytes = null;
if (subMeshMap.ContainsKey("Normal"))
{
norBytes = subMeshMap["Normal"];
}
// UV texture map
Vector2 texPosMax = Vector2.Zero;
Vector2 texPosMin = Vector2.Zero;
byte[] texBytes = null;
if (subMeshMap.ContainsKey("TexCoord0"))
{
texBytes = subMeshMap["TexCoord0"];
texPosMax = ((OSDMap)subMeshMap["TexCoord0Domain"])["Max"];
texPosMin = ((OSDMap)subMeshMap["TexCoord0Domain"])["Min"];
}
// Extract the vertex position data
// If present normals and texture coordinates too
for (int i = 0; i < posBytes.Length; i += 6)
{
ushort uX = Utils.BytesToUInt16(posBytes, i);
ushort uY = Utils.BytesToUInt16(posBytes, i + 2);
ushort uZ = Utils.BytesToUInt16(posBytes, i + 4);
Vertex vx = new Vertex();
vx.Position = new Vector3(
Utils.UInt16ToFloat(uX, posMin.X, posMax.X),
Utils.UInt16ToFloat(uY, posMin.Y, posMax.Y),
Utils.UInt16ToFloat(uZ, posMin.Z, posMax.Z));
if (norBytes != null && norBytes.Length >= i + 4)
{
ushort nX = Utils.BytesToUInt16(norBytes, i);
ushort nY = Utils.BytesToUInt16(norBytes, i + 2);
ushort nZ = Utils.BytesToUInt16(norBytes, i + 4);
vx.Normal = new Vector3(
Utils.UInt16ToFloat(nX, posMin.X, posMax.X),
Utils.UInt16ToFloat(nY, posMin.Y, posMax.Y),
Utils.UInt16ToFloat(nZ, posMin.Z, posMax.Z));
}
var vertexIndexOffset = oface.Vertices.Count * 4;
if (texBytes != null && texBytes.Length >= vertexIndexOffset + 4)
{
ushort tX = Utils.BytesToUInt16(texBytes, vertexIndexOffset);
ushort tY = Utils.BytesToUInt16(texBytes, vertexIndexOffset + 2);
vx.TexCoord = new Vector2(
Utils.UInt16ToFloat(tX, texPosMin.X, texPosMax.X),
Utils.UInt16ToFloat(tY, texPosMin.Y, texPosMax.Y));
}
oface.Vertices.Add(vx);
}
byte[] triangleBytes = subMeshMap["TriangleList"];
for (int i = 0; i < triangleBytes.Length; i += 6)
{
ushort v1 = (ushort)(Utils.BytesToUInt16(triangleBytes, i));
oface.Indices.Add(v1);
ushort v2 = (ushort)(Utils.BytesToUInt16(triangleBytes, i + 2));
oface.Indices.Add(v2);
ushort v3 = (ushort)(Utils.BytesToUInt16(triangleBytes, i + 4));
oface.Indices.Add(v3);
}
mesh.Faces.Add(oface);
}
}
}
catch (Exception ex)
{
Logger.Log("Failed to decode mesh asset: " + ex.Message, Helpers.LogLevel.Warning);
return(false);
}
return(true);
}
private void LoadDebugPrim()
{
Prims = new List<FacetedMesh>();
Primitive prim = new Primitive();
prim.Textures = new Primitive.TextureEntry(UUID.Zero);
prim.Scale = Vector3.One;
prim.PrimData = ObjectManager.BuildBasicShape(PrimType.Cylinder);
prim.PrimData.ProfileHollow = 0.95f;
SimpleMesh simpleMesh = Render.Plugin.GenerateSimpleMesh(prim, DetailLevel.High);
FacetedMesh facetedMesh = new FacetedMesh();
facetedMesh.Faces = new List<Face> { new Face { Vertices = simpleMesh.Vertices, Indices = simpleMesh.Indices } };
facetedMesh.Path = simpleMesh.Path;
facetedMesh.Profile = simpleMesh.Profile;
facetedMesh.Prim = prim;
LoadMesh(facetedMesh, ".");
PopulatePrimCombobox();
glControl.Invalidate();
}
/// <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;
}
private void LoadMesh(FacetedMesh mesh, string basePath)
{
// Create a FaceData struct for each face that stores the 3D data
// in a Tao.OpenGL friendly format
for (int j = 0; j < mesh.Faces.Count; j++)
{
Face face = mesh.Faces[j];
FaceData data = new FaceData();
// Vertices for this face
data.Vertices = 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;
}
// Indices for this face
data.Indices = face.Indices.ToArray();
// Texture transform for this face
Primitive.TextureEntryFace teFace = mesh.Prim.Textures.GetFace((uint)j);
Render.Plugin.TransformTexCoords(face.Vertices, face.Center, teFace);
// 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;
}
// Texture for this face
if (!String.IsNullOrEmpty(basePath) && LoadTexture(basePath, teFace.TextureID, ref data.Texture))
{
Bitmap bitmap = new Bitmap(data.Texture);
bitmap.RotateFlip(RotateFlipType.RotateNoneFlipY);
Rectangle rectangle = new Rectangle(0, 0, bitmap.Width, bitmap.Height);
BitmapData bitmapData = bitmap.LockBits(rectangle, ImageLockMode.ReadOnly, PixelFormat.Format24bppRgb);
Gl.glGenTextures(1, out data.TexturePointer);
Gl.glBindTexture(Gl.GL_TEXTURE_2D, data.TexturePointer);
Gl.glTexParameteri(Gl.GL_TEXTURE_2D, Gl.GL_TEXTURE_MIN_FILTER, Gl.GL_LINEAR_MIPMAP_LINEAR);
Gl.glTexParameteri(Gl.GL_TEXTURE_2D, Gl.GL_TEXTURE_MAG_FILTER, Gl.GL_LINEAR);
Gl.glTexParameteri(Gl.GL_TEXTURE_2D, Gl.GL_TEXTURE_WRAP_S, Gl.GL_REPEAT);
Gl.glTexParameteri(Gl.GL_TEXTURE_2D, Gl.GL_TEXTURE_WRAP_T, Gl.GL_REPEAT);
Gl.glTexParameteri(Gl.GL_TEXTURE_2D, Gl.GL_GENERATE_MIPMAP, Gl.GL_TRUE);
Glu.gluBuild2DMipmaps(Gl.GL_TEXTURE_2D, Gl.GL_RGB8, bitmap.Width, bitmap.Height, Gl.GL_BGR, Gl.GL_UNSIGNED_BYTE, bitmapData.Scan0);
bitmap.UnlockBits(bitmapData);
bitmap.Dispose();
}
// Set the UserData for this face to our FaceData struct
face.UserData = data;
mesh.Faces[j] = face;
}
Prims.Add(mesh);
}
/// <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);
}
/// <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)
{
OMV.Primitive.ConstructionData primData = prim.PrimData;
int sides = 4;
int hollowsides = 4;
float profileBegin = primData.ProfileBegin;
float profileEnd = primData.ProfileEnd;
bool isSphere = false;
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
isSphere = true;
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 = true;
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();
}
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;
}
}
if (m_shouldScale)
{
newPrim.Scale(prim.Scale.X, prim.Scale.Y, prim.Scale.Z);
}
// 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;
}
