libsegl/models/load3ds.cpp

134 lines
2.7 KiB
C++

#include "load3ds.h"
#include "../punkt3d.h"
Load3ds::Load3ds(std::string _fname, bool _parse) {
filename = _fname;
parsed = false;
error = false;
// if(_parse)
// parse();
}
bool Load3ds::parse(Model *m) {
if(parsed)
unload();
std::ifstream mfile(filename.c_str(), std::ios::binary);
if(!mfile) {
return false;
}
unsigned short ident;
unsigned int len;
bool modelloaded = false;
ModelObject modobj;
m->clear();
std::cout << "size: " << sizeof(int) << std::endl;
while(!mfile.eof()) {
ident = len = 0;
mfile.read((char *)&ident, 2);
mfile.read((char *)&len, 4);
// mfile.read((char *)&m, 1);
// mfile.read((char *)&n, 1);
std::cout << "Chunk: 0x" << std::hex << ident << " (" << std::dec << len << ")" << std::endl;
switch(ident) {
case 0x4d4d:
// Main Chunk
std::cout << "yeah!" << std::endl;
break;
case 0x3d3d:
// 3D Editor Chunk
std::cout << "editorchunk" << std::endl;
break;
case 0x4000:
{
if(modelloaded) {
modobj.calcNormales();
m->addObject(modobj);
modobj.clear();
}
modelloaded = true;
std::cout << "namechunk" << std::endl;
std::string name;
char c;
do {
mfile.read(&c, 1);
name += c;
} while(c!=0);
std::cout << "Name: " << name << std::endl;
modobj.name = name;
}
break;
case 0x4100:
break;
case 0x4110:{
unsigned short panz;
Punkt3D p;
mfile.read((char*)&panz, 2);
glBegin(GL_LINE_LOOP);
for(unsigned int i=0; i<panz; i++) {
mfile.read((char*)&p.x, sizeof(float));
mfile.read((char*)&p.y, sizeof(float));
mfile.read((char*)&p.z, sizeof(float));
// p.print("Punkt");
modobj.vertex.push_back(p);
glVertex3f(p);
}
glEnd();
}
break;
case 0x4120:
{
unsigned short panz, tp;
Punkt3D p;
mfile.read((char*)&panz, 2);
for(unsigned int i=0; i<panz; i++) {
mfile.read((char*)&tp, 2);
p.x = tp;
mfile.read((char*)&tp, 2);
p.y = tp;
mfile.read((char*)&tp, 2);
p.z = tp;
p.print("Polygon");
modobj.polygon.push_back(p);
}
}
break;
case 0x4140:
{
unsigned short panz;
Punkt2D p;
mfile.read((char*)&panz, 2);
for(unsigned int i=0; i<panz; i++) {
mfile.read((char*)&p.x, sizeof(float));
mfile.read((char*)&p.y, sizeof(float));
modobj.mapcoord.push_back(p);
}
}
break;
default:
//Switch Chunk
std::cout << "einfach ignorieren..." << std::endl;
mfile.ignore(len-6);
break;
}
}
if(modelloaded) {
modobj.calcNormales();
m->addObject(modobj);
modobj.clear();
}
mfile.close();
return true;
}
void Load3ds::unload() {
parsed = false;
error = false;
}