void Cube::FaceInit()
{
NewFace(0, 0, 1, 2, 3, Color(0),Color(255),false);
NewFace(1, 0, 3, 7, 4, Color(0),Color(255),false);
NewFace(2, 0, 4, 5, 1, Color(0),Color(255),false);
NewFace(3, 4, 7, 6, 5, Color(0),Color(255),false);
NewFace(4, 1, 5, 6, 2, Color(0),Color(255),false);
NewFace(5, 2, 6, 7, 3, Color(0),Color(255),false);
/*
// No visible face determination : be sure you use an algorithm to determine
// which face is visible of*r not, like ZBuffer
NewFace(0, 0, 1, 2, 3, byte(0),byte(255),true);
NewFace(1, 0, 3, 7, 4, byte(0),byte(255),true);
NewFace(2, 0, 4, 5, 1, byte(0),byte(255),true);
NewFace(3, 4, 7, 6, 5, byte(0),byte(255),true);
NewFace(4, 1, 5, 6, 2, byte(0),byte(255),true);
NewFace(5, 2, 6, 7, 3, byte(0),byte(255),true);
*/
}
bool ON_Brep::ReadOld200( ON_BinaryArchive& file, int minor_version )
{
bool rc = true;
// read legacy trimmed surface collection from Rhino 2.0
int face_count = 0;
int edge_count = 0;
int loop_count = 0;
int trim_count = 0;
int outer_flag = 0;
ON_BoundingBox bnd_2d_bbox;
int i, fi, fbi, fbcnt, bti, btcnt, twin_index;
int ftype_flag, btype_flag, gcon_flag, mono_flag;
char b;
if (rc) rc = file.ReadInt( &face_count );
if (rc) rc = file.ReadInt( &edge_count );
if (rc) rc = file.ReadInt( &loop_count );
if (rc) rc = file.ReadInt( &trim_count );
if ( face_count < 1 || edge_count < 1 || loop_count < 1 || trim_count < 1 )
rc = false;
if (rc) rc = file.ReadInt( &outer_flag );
if (rc) rc = file.ReadPoint( m_bbox.m_min );
if (rc) rc = file.ReadPoint( m_bbox.m_max );
// 2d curves
m_C2.Reserve(trim_count);
for ( i = 0; rc && i < trim_count; i++ ) {
ON_PolyCurve* curve = new ON_PolyCurve();
rc = curve->Read( file )?true:false;
if ( curve->Count() == 1 ) {
m_C2.Append( curve->HarvestSegment(0) );
delete curve;
}
else
m_C2.Append( curve );
}
const int c2_count = m_C2.Count();
// 3d curves
m_C3.Reserve(edge_count);
for ( i = 0; rc && i < edge_count; i++ ) {
ON_PolyCurve* curve = new ON_PolyCurve();
rc = curve->Read( file )?true:false;
if ( curve->Count() == 1 ) {
m_C3.Append( curve->HarvestSegment(0) );
delete curve;
}
else
m_C3.Append( curve );
}
const int c3_count = m_C3.Count();
// make a new edge for each 3d curve
m_E.Reserve(c3_count);
for ( i = 0; i < c3_count && rc; i++ )
{
NewEdge(i);
}
// 3d surfaces
m_S.Reserve(face_count);
for ( i = 0; rc && i < face_count; i++ ) {
ON_NurbsSurface* surface = new ON_NurbsSurface();
rc = surface->Read( file )?true:false;
m_S.Append( surface );
}
ON_SimpleArray<int> te_index(trim_count);
ON_SimpleArray<int> te_twin_index(trim_count);
m_F.Reserve(face_count);
m_L.Reserve(loop_count);
m_T.Reserve(trim_count);
for ( fi = 0; rc && fi < face_count; fi++ )
{
ftype_flag = 0;
fbcnt = 0;
ON_BrepFace& f = NewFace(fi);
if (rc) rc = file.ReadInt( &i ); // legacy face index
if (rc) rc = file.ReadInt( &i ); // OBSOLETE f.m_material_index
int k = f.m_bRev;
if (rc) rc = file.ReadInt( &k );
if (rc) f.m_bRev = (k!=0);
if (rc) rc = file.ReadInt( &ftype_flag );
if (rc) rc = file.ReadPoint( f.m_bbox.m_min );
if (rc) rc = file.ReadPoint( f.m_bbox.m_max );
if (rc) rc = file.ReadInt( &fbcnt);
if (fbcnt < 1 )
rc = false;
for ( fbi = 0; rc && fbi < fbcnt; fbi++ ) {
btype_flag = 0;
ON_BrepLoop::TYPE looptype = ON_BrepLoop::unknown;
if (rc) rc = file.ReadInt( &i ); // legacy loop index
if (rc) rc = file.ReadInt( &btype_flag );
switch (btype_flag)
{
case 0:
looptype = ON_BrepLoop::outer;
break;
case 1:
looptype = ON_BrepLoop::inner;
break;
case -1:
looptype = ON_BrepLoop::slit;
break;
default:
looptype = ON_BrepLoop::unknown;
break;
}
if (rc) rc = file.ReadDouble( 2, &bnd_2d_bbox.m_min.x );
if (rc) rc = file.ReadDouble( 2, &bnd_2d_bbox.m_max.x );
btcnt = 0;
if (rc) rc = file.ReadInt( &btcnt );
if (btcnt < 1 )
rc = false;
ON_BrepLoop& bnd = NewLoop(looptype,f);
for ( bti = 0; rc && bti < btcnt; bti++ ) {
ON_BrepTrim& trim = NewTrim(false,bnd,m_T.Count());
te_index.Append(trim.m_trim_index);
if (rc) rc = file.ReadInt( &i ); // legacy trim index
if ( trim.m_trim_index != i )
{
ON_ERROR("ON_Brep::ReadOld200 - trim.m_trim_index out of synch.");
//rc = false;
//break;
}
if (rc) rc = file.ReadInt( &twin_index );
te_twin_index.Append(twin_index);
b = 0;
if (rc) rc = file.ReadChar( &b ); // true if legacy trim managed 3d edge
if (rc) rc = file.ReadInt( &trim.m_ei );
if (b) {
if ( trim.m_ei < 0 || trim.m_ei >= c3_count )
{
trim.m_ei = -1;
ON_ERROR("ON_Brep::ReadOld201 - trim.m_ei out of range.");
rc = false;
break;
}
}
if ( trim.m_trim_index >= 0 && trim.m_trim_index < c2_count )
trim.m_c2i = trim.m_trim_index;
else {
ON_ERROR("ON_Brep::ReadOld200 - trim.m_trim_index out of range.");
rc = false;
trim.m_c2i = -1;
break;
}
int k = trim.m_bRev3d;
if (rc) rc = file.ReadInt(&k);
if (rc) trim.m_bRev3d = (k!=0);
if (rc) rc = file.ReadInt(&gcon_flag);
if (rc) rc = file.ReadInt(&mono_flag);
if (rc) rc = file.ReadDouble(&trim.m__legacy_3d_tol);
if (rc) rc = file.ReadDouble(&trim.m__legacy_2d_tol);
}
}
}
// finish hooking trims to edges
if (rc) {
int trim_index;
for ( i = 0; i < trim_count; i++ ) {
trim_index = te_index[i];
if ( trim_index >= 0 && trim_index < m_T.Count() )
continue;
twin_index = te_twin_index[i];
if ( twin_index >= 0 && twin_index < m_T.Count() )
continue;
ON_BrepTrim& trim1 = m_T[trim_index];
ON_BrepTrim& trim2 = m_T[twin_index];
if ( trim1.m_ei >= 0 && trim1.m_ei < c2_count && trim2.m_ei < 0 )
trim2.m_ei = trim1.m_ei;
else if ( trim2.m_ei >= 0 && trim2.m_ei < c2_count && trim1.m_ei < 0 )
trim1.m_ei = trim2.m_ei;
}
for ( i = 0; i < m_T.Count(); i++ ) {
ON_BrepTrim& trim = m_T[i];
ON_Curve* tcurve = m_C2[trim.m_c2i];
trim.SetProxyCurve( tcurve );
if ( trim.m_ei >= 0 && trim.m_ei < c3_count )
m_E[trim.m_ei].m_ti.Append(trim.m_trim_index);
}
// finish setting flags
SetTrimIsoFlags();
SetTrimTypeFlags();
// create 3d vertex information
SetVertices();
// set tols from values in file
SetTolsFromLegacyValues();
}
else {
Destroy();
}
if (rc) {
// 3d render mesh geometry
ON_Object* obj;
for ( i = 0; rc && i < face_count; i++ ) {
ON_BrepFace& f = m_F[i];
file.ReadChar(&b);
if (b) {
obj = 0;
rc = (file.ReadObject(&obj)==1)?true:false;
f.m_render_mesh = ON_Mesh::Cast(obj);
if ( !f.m_render_mesh )
delete obj;
}
}
if ( !rc ) {
// delete render mesh geometry
for ( i = 0; i < face_count; i++ ) {
ON_BrepFace& f = m_F[i];
if ( f.m_render_mesh ) {
delete f.m_render_mesh;
f.m_render_mesh = 0;
}
}
}
if (rc && minor_version >= 1) {
// 3d analysis mesh geometry
for ( i = 0; rc && i < face_count; i++ ) {
ON_BrepFace& f = m_F[i];
file.ReadChar(&b);
if (b) {
obj = 0;
rc = file.ReadObject(&obj)?true:false;
f.m_analysis_mesh = ON_Mesh::Cast(obj);
if ( !f.m_analysis_mesh )
delete obj;
}
}
if ( !rc ) {
// delete analysis mesh geometry
for ( i = 0; i < face_count; i++ ) {
ON_BrepFace& f = m_F[i];
if ( f.m_analysis_mesh ) {
delete f.m_analysis_mesh;
f.m_analysis_mesh = 0;
}
}
}
}
// fill in missing information
ReadFillInMissingBoxes(*this);
if (!rc ) {
ON_ERROR("ON_Brep::ReadOld201() - trouble reading render/analysis meshes");
rc = true;
}
}
// 22 April 2003:
// Use outer_flag to set m_is_solid for closed solids
// with outward pointing normals.
if ( 1 == outer_flag && IsSolid() )
m_is_solid = 1;
return rc;
}
