vcglib/apps/nexus/nxsedit.cpp

438 lines
12 KiB
C++

#ifdef WIN32
#include <wrap/system/getopt.h>
#else
#include <unistd.h>
#endif
#include <assert.h>
#include <iostream>
#include <vcg/simplex/vertex/with/vc.h>
#include <vcg/simplex/face/face.h>
#include <vcg/complex/trimesh/base.h>
//WARNING WARNING this must be included AFTER mesh includes....
#include <wrap/io_trimesh/import_ply.h>
#include <vcg/space/index/grid_static_ptr.h>
#include "nxsalgo.h"
#include "nexus.h"
#include "watch.h"
using namespace nxs;
using namespace vcg;
using namespace std;
using namespace tri;
class CFace;
class CVertex: public VertexVCf<DUMMYEDGETYPE,CFace ,DUMMYTETRATYPE> {};
class CFace: public Face<CVertex, DUMMYEDGETYPE , CFace>{};
class CMesh: public tri::TriMesh<vector<CVertex>, vector<CFace> > {};
string getSuffix(unsigned int signature) {
string suff;
if(signature&NXS_COMPRESSED) suff += "Z";
if(signature&NXS_STRIP) suff += "S";
if(signature&NXS_COLORS) suff += "C";
if(signature&NXS_NORMALS_SHORT) suff += "N";
if(signature&NXS_TEXTURES_SHORT) suff += "T";
if(signature&NXS_DATA32) suff += "D";
return suff;
}
int main(int argc, char *argv[]) {
string input;
string output;
string plysource;
bool info = false;
unsigned int ram_size = 128000000;
unsigned int chunk_size = 0;
unsigned int add = 0;
bool add_strip = false;
bool add_colors = false;
bool add_normals = false;
bool add_textures = false;
bool add_data = false;
unsigned int remove = 0;
bool remove_strip = false;
bool remove_colors = false;
bool remove_normals = false;
bool remove_textures = false;
bool remove_data = false;
bool compress = false;
bool uncompress = false;
float qvertex = 0;
float qnormal = 0;
float qcolor = 0;
float qtexture = 0;
int option;
while((option = getopt(argc, argv, "io:a:r:zxv:n:k:t:b:c:")) != EOF) {
switch(option) {
case 'i': info = true; break;
case 'o': output = optarg; break;
case 'a': {
if(strstr(optarg, "strip")) {
add_strip = true;
add |= NXS_STRIP;
remove |= NXS_FACES;
}
if(strstr(optarg, "colors")) {
add_colors = true;
add |= NXS_COLORS;
}
if(strstr(optarg, "normals")) {
add_normals = true;
add |= NXS_NORMALS_SHORT;
}
if(strstr(optarg, "textures")) {
add_textures = true;
add |= NXS_TEXTURES_SHORT;
}
if(strstr(optarg, "data")) {
add_data = true;
add |= NXS_DATA32;
}
if(add == 0) {
cerr << "Invalid -a argument: " << optarg << "\n"
<< "Valid options are: strip, colors, normals, textures, data\n";
return -1;
}
break;
}
case 'r': {
if(strstr(optarg, "strip")) {
cerr << "Strip reming not supported!\n";
return -1;
remove_strip = true;
add |= NXS_FACES;
remove |= NXS_STRIP;
}
if(strstr(optarg, "colors")) {
remove_colors = true;
remove |= NXS_COLORS;
}
if(strstr(optarg, "normals")) {
remove_normals = true;
remove |= NXS_NORMALS_SHORT;
}
if(strstr(optarg, "textures")) {
remove_textures = true;
remove |= NXS_TEXTURES_SHORT;
}
if(strstr(optarg, "data")) {
remove_data = true;
remove |= NXS_DATA32;
}
if(remove == 0) {
cerr << "Invalid -a argument: " << optarg << "\n"
<< "Valid options are: strip, colors, normals, textures, data\n";
return -1;
}
break;
}
case 'p': plysource = optarg; break;
case 'z': compress = true; break;
case 'x': uncompress = true; break;
case 'v': qvertex = (float)atof(optarg);
if(qvertex == 0) {
cerr << "Invalid value for quantization: " << optarg << endl;
return -1;
}
break;
case 'n': qnormal = (float)atof(optarg);
if(qnormal == 0) {
cerr << "Invalid value for quantization: " << optarg << endl;
return -1;
}
break;
case 'k': qcolor = (float)atof(optarg);
if(qcolor == 0) {
cerr << "Invalid value for quantization: " << optarg << endl;
return -1;
}
break;
case 't': qtexture = (float)atof(optarg);
if(qtexture == 0) {
cerr << "Invalid value for quantization: " << optarg << endl;
return -1;
}
break;
case 'b': ram_size = atoi(optarg);
if(ram_size == 0) {
cerr << "Invalid ram_size: " << optarg << endl;
return -1;
}
break;
case 'c': chunk_size = atoi(optarg);
if(chunk_size == 0) {
cerr << "Invalid chunk_size: " << optarg << endl;
return -1;
}
break;
default: cerr << "Unknown option: " << (char)option << endl;
return -1;
}
}
if(compress && uncompress) {
cerr << "x and z are obviously exclusive :P\n";
return -1;
}
if(optind != argc - 1) {
cerr << "Usage: " << argv[0] << " <nexus file> [options]\n"
<< " -i : display some info about nexus file\n"
<< " -o <file>: output filename (default is adding 00 to nexus)\n"
<< " -a <what>: Add [colors|normals|strip|textures|data|borders]\n"
<< " -r <what>: As add...\n"
<< " -p <ply> : Ply source for colors or textures or data\n"
<< " -z : compress\n"
<< " -x : uncompress\n"
<< " -v<float>: Vertex quantization (float is the 0 level amount)\n"
<< " -n<float>: Normal quantization\n"
<< " -c<float>: Color quantization\n"
<< " -t<float>: Texture quantization\n\n";
return -1;
}
input = argv[optind];
Nexus nexus;
nexus.patches.SetRamBufferSize(ram_size);
if(!nexus.Load(input, true)) {
cerr << "Could not open nexus file: " << input << "\n";
return -1;
}
//Sanity tests
if(remove_strip && !(nexus.signature & NXS_STRIP)) {
cerr << "Nexus file does not have strips\n";
return -1;
}
if(remove_colors && !(nexus.signature & NXS_COLORS)) {
cerr << "Nexus file does not have colors\n";
return -1;
}
if(remove_normals && !(nexus.signature & NXS_NORMALS_SHORT)) {
cerr << "Nexus file does not have normals\n";
return -1;
}
if(remove_textures && !(nexus.signature & NXS_TEXTURES_SHORT)) {
cerr << "Nexus file does not have textures\n";
return -1;
}
if(remove_data && !(nexus.signature & NXS_DATA32)) {
cerr << "Nexus file does not have data\n";
return -1;
}
if(nexus.IsCompressed() && compress) {
cerr << "File already compressed.\n";
return -1;
}
if(!nexus.IsCompressed() && uncompress) {
cerr << "File not compressed.\n";
return -1;
}
if(info) {
cerr << "Nexus file: " << input << "\n\n"
<< "\n\tCompressed: " << nexus.IsCompressed()
<< "\n\tStripped: " << (int)((nexus.signature&NXS_STRIP) !=0)
<< "\n\tColor : " << (int)((nexus.signature&NXS_COLORS) !=0)
<< "\n\tNormal : " << (int)((nexus.signature&NXS_NORMALS_SHORT) !=0)
<< "\n\tTexture : " << (int)((nexus.signature&NXS_TEXTURES_SHORT) !=0)
<< "\n\tData : " << (int)((nexus.signature&NXS_DATA32) !=0)
<< "\n\n\tVertices: " << nexus.totvert
<< "\tFaces: " << nexus.totface
<< "\tPatches: " << nexus.index.size()
<< "\n\tSphere: "
<< nexus.sphere.Center()[0] << " "
<< nexus.sphere.Center()[1] << " "
<< nexus.sphere.Center()[2] << " R: "
<< nexus.sphere.Radius()
<< "\n\tChunk size " << nexus.chunk_size << endl;
}
//determine if we must proceed:
if(add == 0 && remove == 0 && !compress && !uncompress &&
qvertex == 0 && qnormal == 0 && qcolor == 0 && qtexture == 0) {
nexus.Close();
return 0;
}
CMesh mesh;
GridStaticPtr<CMesh::FaceContainer> grid;
if(add_colors) {
if(!plysource.size()) {
cerr << "No plysource specified when adding color (-p option)\n";
return -1;
}
if(!tri::io::ImporterPLY<CMesh>::Open(mesh, plysource.c_str())) {
cerr << "Could not load ply: " << plysource << endl;
return -1;
}
//calcoliamo il box:
Box3f box;
for(unsigned int i = 0; i < mesh.vert.size(); i++)
box.Add(mesh.vert[i].P());
grid.SetBBox(box);
grid.Set(mesh.face);
}
if((add & NXS_NORMALS_SHORT) && compress) {
cerr << "Its not possible to add normals and compress in the same step\n";
return -1;
}
unsigned int signature = nexus.signature;
signature |= add;
signature &= ~remove;
if(compress) signature |= NXS_COMPRESSED;
if(uncompress) signature &= ~NXS_COMPRESSED;
if(!output.size()) output = input + getSuffix(signature);
cout << "Writing to nexus: " << output << endl;
Nexus out;
out.patches.SetRamBufferSize(ram_size);
if(!chunk_size)
chunk_size = nexus.patches.chunk_size;
if(!out.Create(output, (Signature)signature, chunk_size)) {
cerr << "Could not open output: " << output << endl;
return -1;
}
//TODO set rambuffer low (or even direct access!)
Report report(nexus.index.size());
cout << "Copying and allocating...\n";
for(unsigned int patch = 0; patch < nexus.index.size(); patch++) {
report.Step(patch);
Nexus::PatchInfo &src_entry = nexus.index[patch];
Patch src_patch = nexus.GetPatch(patch);
Border src_border = nexus.GetBorder(patch);
vector<unsigned short> strip;
if(add_strip) {
ComputeTriStrip(src_patch.nf, src_patch.FaceBegin(), strip);
assert(strip.size() < 32767);
out.AddPatch(src_entry.nvert, strip.size(), src_border.Available());
} else
out.AddPatch(src_entry.nvert, src_entry.nface, src_border.Available());
Nexus::PatchInfo &dst_entry = out.index[patch];
Patch dst_patch = out.GetPatch(patch);
//copy vertices:
memcpy(dst_patch.VertBegin(), src_patch.VertBegin(),
src_patch.nv * sizeof(Point3f));
if(qvertex && !add_normals) {
float *ptr = (float *)dst_patch.VertBegin();
for(int i = 0; i < dst_patch.nv*3; i++) {
ptr[i] = qvertex * (int)(ptr[i]/qvertex);
//ptr[i] = 0;
}
}
//now faces.
if(add_strip) {
memcpy(dst_patch.FaceBegin(), &*strip.begin(),
strip.size() * sizeof(short));
} else {
if(nexus.signature & NXS_STRIP) {
memcpy(dst_patch.FaceBegin(), src_patch.FaceBegin(),
src_patch.nf * sizeof(unsigned short));
} else {
memcpy(dst_patch.FaceBegin(), src_patch.FaceBegin(),
src_patch.nf * sizeof(unsigned short) * 3);
}
}
if((nexus.signature & NXS_COLORS) && (out.signature & NXS_COLORS))
memcpy(dst_patch.ColorBegin(), src_patch.ColorBegin(),
src_patch.nv * sizeof(unsigned int));
if((nexus.signature & NXS_NORMALS_SHORT) &&
(out.signature & NXS_NORMALS_SHORT))
memcpy(dst_patch.Norm16Begin(), src_patch.Norm16Begin(),
src_patch.nv * sizeof(short)*4);
//reordering
//WATCH OUT BORDERS!
// Reorder(out.signature, dst_patch);
//copying entry information;
dst_entry.sphere = src_entry.sphere;
dst_entry.error = src_entry.error;
//adding borders.
for(unsigned int i = 0; i < src_border.Size(); i++) {
Link &link = src_border[i];
if(link.IsNull()) continue;
assert(link.end_patch < nexus.index.size());
}
Border dst_border = out.GetBorder(patch);
out.borders.ResizeBorder(patch, src_border.Size());
memcpy(dst_border.Start(), src_border.Start(),
src_border.Size() * sizeof(Link));
}
report.Finish();
//TODO this is ok only if we have faces still!
if(add_normals) {
cout << "Computing normals" << endl;
ComputeNormals(out);
}
if(add_colors) {
//source of color:
cerr << "Unsupported color\n";
return -1;
}
if(qvertex && add_normals) {
report.Init(nexus.index.size());
cout << "Quantizing vertices\n";
for(unsigned int patch = 0; patch < nexus.index.size(); patch++) {
report.Step(patch);
Patch src_patch = nexus.GetPatch(patch);
float *ptr = (float *)src_patch.VertBegin();
for(int i = 0; i < src_patch.nv*3; i++)
ptr[i] = qvertex * (int)(ptr[i]/qvertex);
}
report.Finish();
}
out.sphere = nexus.sphere;
out.history = nexus.history;
out.Close();
nexus.Close();
return 0;
}