public SnapshotModel(string sFilename)
{
int nverts = 0;
int nfaces = 0;
int nvertsel = 0;
//int nedgesel = 0;
//int nfacesel = 0;
int nmods = 0;
Vec3f[] coords;
int[] selected;
Modifier[] modifiers;
using (Stream s = new FileStream(sFilename, FileMode.Open))
{
string plyline = FileIOFunctions.ReadTextString(s);
if (plyline != "ply")
{
throw new ArgumentException("TVModel.LoadObjectFromPLY: Specified file is not .ply file");
}
bool header = true;
while (header)
{
string cmd = FileIOFunctions.ReadTextString(s);
switch (cmd)
{
case "format":
case "comment":
case "property":
while (s.ReadByte() != 10)
{
; // ignore the rest of the line
}
break;
case "element":
string variable = FileIOFunctions.ReadTextString(s);
int val = FileIOFunctions.ReadTextInteger(s);
switch (variable)
{
case "vertex": nverts = val; break;
case "face": nfaces = val; break;
case "selected":
nvertsel = val;
FileIOFunctions.ReadTextInteger(s); // nedgesel =
FileIOFunctions.ReadTextInteger(s); // nfacesel =
break;
case "modifiers": nmods = val; break;
default: throw new Exception("TVModel.LoadObjectFromPLY: Unhandled element type " + variable);
}
break;
case "end_header": header = false; break;
default: throw new Exception("TVModel.LoadObjectFromPLY: Unhandled command type " + cmd);
}
}
coords = new Vec3f[nverts];
selected = new int[nvertsel];
modifiers = new Modifier[nmods];
groups = new List <GroupInfo>[] {
new List <GroupInfo>(nverts), new List <GroupInfo>(nfaces), new List <GroupInfo>(nfaces), new List <GroupInfo>(nfaces)
};
groupselected = new List <bool>[] {
new List <bool>(nverts), new List <bool>(nverts), new List <bool>(nverts), new List <bool>(nverts)
};
facenormals = new List <Vec3f>[] { new List <Vec3f>(), new List <Vec3f>() };
// read vert locations and visibility
for (int i = 0; i < nverts; i++)
{
coords[i] = new Vec3f(FileIOFunctions.ReadTextFloat(s), FileIOFunctions.ReadTextFloat(s), FileIOFunctions.ReadTextFloat(s));
bool v = (FileIOFunctions.ReadTextInteger(s) == 1);
groups[0].Add(new GroupInfo(new int[] { i }, v));
}
// read inds of edges and faces
for (int i = 0; i < nfaces; i++)
{
int count = FileIOFunctions.ReadTextInteger(s);
int[] inds = new int[count];
for (int j = 0; j < count; j++)
{
inds[j] = FileIOFunctions.ReadTextInteger(s);
}
bool v = (FileIOFunctions.ReadTextInteger(s) == 1);
bool gsel = (FileIOFunctions.ReadTextInteger(s) == 1);
groups[count - 1].Add(new GroupInfo(inds, v));
groupselected[count - 1].Add(gsel);
if (count == 3 || count == 4)
{
Vec3f v0 = Vec3f.Normalize(coords[inds[0]] - coords[inds[1]]);
Vec3f v1 = Vec3f.Normalize(coords[inds[2]] - coords[inds[1]]);
Vec3f vn = v1 ^ v0;
if (vn.LengthSqr > 0.00001f)
{
facenormals[count - 3].Add(Vec3f.Normalize(vn));
}
else
{
facenormals[count - 3].Add(new Vec3f());
}
}
}
groups[1].TrimExcess();
groups[2].TrimExcess();
groups[3].TrimExcess();
groupselected[1].TrimExcess();
groupselected[2].TrimExcess();
groupselected[3].TrimExcess();
// read inds of selected verts
for (int i = 0; i < nvertsel; i++)
{
selected[i] = FileIOFunctions.ReadTextInteger(s);
}
// read modifiers
for (int i = 0; i < nmods; i++)
{
string modifier = FileIOFunctions.ReadTextString(s);
switch (modifier)
{
case "mirror":
modifiers[i] = new ModifierMirror()
{
name = FileIOFunctions.ReadTextQuotedString(s),
usex = (FileIOFunctions.ReadTextInteger(s) == 1),
usey = (FileIOFunctions.ReadTextInteger(s) == 1),
usez = (FileIOFunctions.ReadTextInteger(s) == 1),
mergethreshold = FileIOFunctions.ReadTextFloat(s)
};
break;
/*case "subdiv":
* modifiers[i] = new ModifierSubDiv() {
* name = FileIOFunctions.ReadTextQuotedString(s),
* levels = FileIOFunctions.ReadTextInteger(s)
* };
* break;
* case "boolop":
* modifiers[i] = new ModifierBoolOp
* (
* FileIOFunctions.ReadTextQuotedString(s),
* ModifierBoolOp.StringToBoolOp( FileIOFunctions.ReadTextString(s) ),
* FileIOFunctions.ReadTextString(s)
* );
* break;
* case "solidify":
* modifiers[i] = new ModifierSolidify
* (
* FileIOFunctions.ReadTextString(s),
* FileIOFunctions.ReadTextFloat(s),
* FileIOFunctions.ReadTextFloat(s),
* FileIOFunctions.ReadTextFloat(s),
* FileIOFunctions.ReadTextFloat(s),
* FileIOFunctions.ReadTextFloat(s),
* ( FileIOFunctions.ReadTextInteger(s) == 1 ),
* ( FileIOFunctions.ReadTextInteger(s) == 1 ),
* ( FileIOFunctions.ReadTextInteger(s) == 1 )
* );
* break;*/
default: throw new Exception("TVModel.LoadObjectFromPLY: Unknown modifier " + modifier);
}
}
}
this.verts = coords;
this.selinds = selected;
this.modifiers = modifiers;
this.nverts = nverts;
FillIsVertSelected();
CalcVertexNormals();
}
public SnapshotScene(string sPLYFilename, int timeindex, string command, string opts, SnapshotScene prev, bool nochange, bool cmdobjlist)
{
this.file = MiscFileIO.GetFileNameOnly(sPLYFilename);
this.timeindex = timeindex;
this.command = command;
this.opts = opts;
this.prevscene = prev;
cselected = 0;
cedited = 0;
string[] objnames;
bool[] objvisibles;
bool[] objselecteds;
bool[] objactives;
bool[] objedits;
string[] objplyfilenames;
using (Stream s = new FileStream(sPLYFilename, FileMode.Open))
{
string plyline = FileIOFunctions.ReadTextString(s);
if (plyline != "ply")
{
throw new ArgumentException("SnapshotScene: Specified file is not .ply file");
}
ncameras = 0;
nmodels = 0;
bool header = true;
while (header)
{
string cmd = FileIOFunctions.ReadTextString(s);
switch (cmd)
{
case "format":
case "property":
while (s.ReadByte() != 10)
{
; // ignore the rest of the line
}
break;
case "comment":
string str = FileIOFunctions.ReadTextLine(s);
if (str.StartsWith("Created"))
{
switch (str.Split(new char[] { ' ' })[2])
{
case "Blender": ApplicationType = ApplicationTypes.BLENDER; break;
}
}
break;
case "element":
string variable = FileIOFunctions.ReadTextString(s);
int val = FileIOFunctions.ReadTextInteger(s);
switch (variable)
{
case "views": ncameras = val; break;
case "objects": nmodels = val; break;
default: throw new Exception("SnapshotScene: Unhandled element type " + variable);
}
break;
case "end_header": header = false; break;
default: throw new Exception("SnapshotScene: Unhandled command type " + cmd);
}
}
if (ApplicationType == ApplicationTypes.UNKNOWN)
{
throw new Exception("SnapshotScene: PLY was created by an unknown application");
}
cameras = new CameraProperties[ncameras];
for (int i = 0; i < ncameras; i++)
{
// read viewing info
Vec3f loc = new Vec3f(FileIOFunctions.ReadTextFloat(s), FileIOFunctions.ReadTextFloat(s), FileIOFunctions.ReadTextFloat(s));
float w = FileIOFunctions.ReadTextFloat(s);
float x = FileIOFunctions.ReadTextFloat(s);
float y = FileIOFunctions.ReadTextFloat(s);
float z = FileIOFunctions.ReadTextFloat(s);
Quatf qua = (new Quatf(w, x, y, z)).Normalize();
float dis = FileIOFunctions.ReadTextFloat(s);
String per = FileIOFunctions.ReadTextString(s);
cameras[i] = new CameraProperties(loc, qua, dis, (per == "ORTHO"));
}
int istart = 0, iend = 0, iinc = 0;
switch (ApplicationType)
{
case ApplicationTypes.BLENDER: // blender writes list of objects "backwards"; new objects are at beginning of list!
istart = nmodels - 1;
iend = 0;
iinc = -1;
break;
default: throw new Exception("SnapshotScene: Unimplemented ApplicationType");
}
objnames = new string[nmodels];
objvisibles = new bool[nmodels];
objselecteds = new bool[nmodels];
objactives = new bool[nmodels];
objedits = new bool[nmodels];
objplyfilenames = new string[nmodels];
for (int i = istart; i != iend + iinc; i += iinc)
{
objnames[i] = FileIOFunctions.ReadTextQuotedString(s);
objvisibles[i] = (FileIOFunctions.ReadTextInteger(s) == 1);
objselecteds[i] = (FileIOFunctions.ReadTextInteger(s) == 1);
objactives[i] = (FileIOFunctions.ReadTextInteger(s) == 1);
objedits[i] = (FileIOFunctions.ReadTextInteger(s) == 1);
objplyfilenames[i] = FileIOFunctions.ReadTextString(s);
if (objselecteds[i])
{
cselected++;
}
if (objedits[i])
{
cedited++;
}
}
}
if (cedited > 1)
{
throw new Exception("more than one object being edited");
}
bool loadall = (prev == null || cmdobjlist); // need to load every object?
models = new SnapshotModel[nmodels];
modelscached = new SnapshotModel[nmodels];
SnapshotModel[] pmodels = null;
if (prev != null)
{
pmodels = prev.Models;
}
for (int i = 0; i < nmodels; i++)
{
bool prevsel = !cmdobjlist && (pmodels != null && pmodels[i] != null && pmodels[i].objselected);
if (loadall || (objselecteds[i] && !nochange) || objselecteds[i] != prevsel || pmodels == null || pmodels[i] == null)
{
models[i] = new SnapshotModel(objplyfilenames[i]);
models[i].objind = i;
models[i].objname = objnames[i];
models[i].objvisible = objvisibles[i];
models[i].objselected = objselecteds[i];
models[i].objactive = objactives[i];
models[i].objedit = objedits[i];
modelscached[i] = models[i];
}
else
{
models[i] = null;
modelscached[i] = pmodels[i];
}
}
}