static void parseKeyFramer( MeshModel *root ){
_log( "KeyFramer" );
enterChunk();
string file_3ds;
unsigned short rev,curr_time=0;
while( int id=nextChunk() ){
switch( id ){
case 0xb009: //CURR_TIME
in.sgetn( (char*)&curr_time,2 );
_log( "CURR_TIME: "+itoa(curr_time) );
break;
case 0xb00a: //KFHDR
in.sgetn( (char*)&rev,2 );
file_3ds=parseString();
in.sgetn( (char*)&anim_len,2 );
_log( "KFHDR: revision="+itoa(rev)+" 3dsfile="+file_3ds+" anim_len="+itoa(anim_len) );
break;
case 0xb002: //object keyframer data...
parseMeshInfo( root,curr_time );
break;
}
}
if( !collapse ){
root->setAnimator( d_new Animator( root,anim_len ) );
}
leaveChunk();
}
static MeshModel* parseFile()
{
unsigned short id;
int len;
in.sgetn((char*)&id, 2);
in.sgetn((char*)&len, 4);
if (id != CHUNK_MAIN)
return 0;
chunk_end = (int)in.pubseekoff(0, std::ios_base::cur) + len - 6;
enterChunk();
MeshModel* root = new MeshModel();
while (int id = nextChunk()) {
switch (id) {
case CHUNK_SCENE:
parseScene(root);
break;
case CHUNK_KEYFRAMER:
parseKeyFramer(root);
break;
}
}
leaveChunk();
return root;
}
static void parseFaceList()
{
unsigned short cnt;
in.sgetn((char*)&cnt, 2);
_log("FaceList cnt=" + itoa(cnt));
while (cnt--) {
unsigned short v[4];
in.sgetn((char*)v, 8);
Face3DS face;
face.verts[0] = v[0];
face.verts[1] = v[1];
face.verts[2] = v[2];
if (flip_tris)
std::swap(face.verts[1], face.verts[2]);
faces.push_back(face);
}
enterChunk();
while (int id = nextChunk()) {
switch (id) {
case CHUNK_FACEMAT:
parseFaceMat();
break;
}
}
leaveChunk();
}
static void parseTriMesh( MeshModel *mesh ){
_log( "TriMesh" );
enterChunk();
Transform tform;
faces.clear();
MeshLoader::beginMesh();
while( int id=nextChunk() ){
switch( id ){
case CHUNK_VERTLIST:
if( !animonly ) parseVertList();
break;
case CHUNK_MAPLIST:
if( !animonly ) parseMapList();
break;
case CHUNK_FACELIST:
if( !animonly ) parseFaceList();
break;
case CHUNK_TRMATRIX:
in.sgetn( (char*)&tform,48 );
if( conv ) tform=conv_tform * tform * -conv_tform;
break;
}
}
leaveChunk();
//should really do something here...
// bool neg_x=tform.m.j.cross(tform.m.k).dot(tform.m.i)<0;
int k;
mesh->setWorldTform( tform );
if( animonly ){
MeshLoader::endMesh( 0 );
return;
}
Transform inv_tform=-tform;
for( k=0;k<MeshLoader::numVertices();++k ){
Surface::Vertex &v=MeshLoader::refVertex( k );
v.coords=inv_tform * v.coords;
}
for( k=0;k<faces.size();++k ){
const Face3DS &f=faces[k];
MeshLoader::addTriangle( f.verts,f.brush );
}
MeshLoader::endMesh( mesh );
mesh->updateNormals();
faces.clear();
}
static void parseMaterial()
{
_log("Material");
Brush mat;
std::string name, tex_name;
enterChunk();
while (int id = nextChunk()) {
switch (id) {
case CHUNK_MATNAME:
name = parseString();
break;
case CHUNK_DIFFUSE:
mat.setColor(parseColor());
break;
case CHUNK_AMBIENT:
break;
case CHUNK_SPECULAR:
break;
case CHUNK_TEXTURE:
enterChunk();
while (int id = nextChunk()) {
switch (id) {
case CHUNK_MAPFILE:
tex_name = parseString();
break;
}
}
leaveChunk();
break;
}
}
if (tex_name.size()) {
mat.setTexture(0, Texture(tex_name, 0), 0);
mat.setColor(Vector(1, 1, 1));
}
if (name.size()) {
materials_map[name] = mat;
}
leaveChunk();
}
static void parseScene( MeshModel *root ){
_log( "Scene" );
enterChunk();
while( int id=nextChunk() ){
switch( id ){
case CHUNK_OBJECT:
parseObject( root );
break;
case CHUNK_MATERIAL:
if( !animonly ) parseMaterial();
break;
}
}
leaveChunk();
}
static Vector parseColor(){
Vector v;
unsigned char rgb[3];
enterChunk();
while( int id=nextChunk() ){
switch( id ){
case CHUNK_RGBF:
in.sgetn( (char*)&v,12 );
break;
case CHUNK_RGBB:
in.sgetn( (char*)rgb,3 );
v=Vector( rgb[0]/255.0f,rgb[1]/255.0f,rgb[2]/255.0f );
}
}
leaveChunk();
return v;
}
static void parseObject( MeshModel *root ){
//skip name
string name=parseString();
_log( "Object:"+name );
MeshModel *mesh=0;
enterChunk();
while( int id=nextChunk() ){
switch( id ){
case CHUNK_TRIMESH:
mesh=d_new MeshModel();
mesh->setName( name );
mesh->setParent( root );
name_map[name]=mesh;
parseTriMesh( mesh );
break;
}
}
leaveChunk();
}
static void parseMeshInfo( MeshModel *root,float curr_time ){
_log( "OBJECT_NODE_TAG" );
enterChunk();
string name,inst;
Vector pivot;
Animation anim;
unsigned short id=65535,parent=65535,flags1,flags2;
Box box( (Vector()),(Vector()) );
Vector box_centre;
while( int chunk_id=nextChunk() ){
switch( chunk_id ){
case 0xb030: //NODE_ID
in.sgetn( (char*)&id,2 );
_log( "NODE_ID: "+itoa(id) );
break;
case 0xb010: //NODE_HDR
name=parseString();
in.sgetn( (char*)&flags1,2 );
in.sgetn( (char*)&flags2,2 );
in.sgetn( (char*)&parent,2 );
_log( "NODE_HDR: name="+name+" parent="+itoa(parent) );
break;
case 0xb011: //INSTANCE NAME
inst=parseString();
_log( "INSTANCE_NAME: "+inst );
break;
case 0xb013: //PIVOT
in.sgetn( (char*)&pivot,12 );
if( conv ) pivot=conv_tform * pivot;
_log( "PIVOT: "+ftoa(pivot.x)+","+ftoa(pivot.y)+","+ftoa(pivot.z) );
break;
case 0xb014: //BOUNDBOX
in.sgetn( (char*)&box.a,12 );
in.sgetn( (char*)&box.b,12 );
box_centre=box.centre();
if( conv ) box_centre=conv_tform * box_centre;
_log( "BOUNDBOX: min="+ftoa(box.a.x)+","+ftoa(box.a.y)+","+ftoa(box.a.z)+" max="+ftoa(box.b.x)+","+ftoa(box.b.y)+","+ftoa(box.b.z) );
break;
case 0xb020: //POS_TRACK_TAG
case 0xb021: //ROT_TRACK_TAG
case 0xb022: //SCALE_TRACK_TAG
if( !collapse ) parseAnimKeys( &anim,chunk_id );
break;
}
}
leaveChunk();
MeshModel *p=root;
if( parent!=65535 ){
map<int,MeshModel*>::const_iterator it=id_map.find( parent );
if( it==id_map.end() ) return;
p=it->second;
}
MeshModel *mesh=0;
if( name=="$$$DUMMY" ){
mesh=d_new MeshModel();
mesh->setName( inst );
mesh->setParent( p );
}else{
map<string,MeshModel*>::const_iterator it=name_map.find( name );
if( it==name_map.end() ) return;
mesh=it->second;
name_map.erase( name );
if( pivot!=Vector() ){
mesh->transform( -pivot );
}
Transform t=
mesh->getWorldTform();
mesh->setParent( p );
mesh->setWorldTform( t );
}
mesh->setAnimation( anim );
if( id!=65535 ) id_map[id]=mesh;
}
