/// <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>
/// 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;
}
/// <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>
/// 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;
}
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>
/// 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;
}
/// <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>
/// 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)
{
// FIXME: Implement this
return null;
}
/// <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;
}
/// <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</returns>
public OMVR.SimpleMesh GenerateSimpleMesh(OMV.Primitive prim, OMVR.DetailLevel lod)
{
return null;
}