solvespace/src/file.cpp

867 lines
33 KiB
C++

//-----------------------------------------------------------------------------
// Routines to write and read our .slvs file format.
//
// Copyright 2008-2013 Jonathan Westhues.
//-----------------------------------------------------------------------------
#include "solvespace.h"
#define VERSION_STRING "\261\262\263" "SolveSpaceREVa"
static int StrStartsWith(const char *str, const char *start) {
return memcmp(str, start, strlen(start)) == 0;
}
//-----------------------------------------------------------------------------
// Clear and free all the dynamic memory associated with our currently-loaded
// sketch. This does not leave the program in an acceptable state (with the
// references created, and so on), so anyone calling this must fix that later.
//-----------------------------------------------------------------------------
void SolveSpaceUI::ClearExisting(void) {
UndoClearStack(&redo);
UndoClearStack(&undo);
for(int i = 0; i < SK.groupOrder.n; i++) {
Group *g = SK.GetGroup(SK.groupOrder.elem[i]);
g->Clear();
}
SK.constraint.Clear();
SK.request.Clear();
SK.group.Clear();
SK.groupOrder.Clear();
SK.style.Clear();
SK.entity.Clear();
SK.param.Clear();
}
hGroup SolveSpaceUI::CreateDefaultDrawingGroup(void) {
Group g = {};
// And an empty group, for the first stuff the user draws.
g.visible = true;
g.name = "sketch-in-plane";
g.type = Group::DRAWING_WORKPLANE;
g.subtype = Group::WORKPLANE_BY_POINT_ORTHO;
g.order = 1;
g.predef.q = Quaternion::From(1, 0, 0, 0);
hRequest hr = Request::HREQUEST_REFERENCE_XY;
g.predef.origin = hr.entity(1);
SK.group.AddAndAssignId(&g);
SK.GetGroup(g.h)->activeWorkplane = g.h.entity(0);
return g.h;
}
void SolveSpaceUI::NewFile(void) {
ClearExisting();
// Our initial group, that contains the references.
Group g = {};
g.visible = true;
g.name = "#references";
g.type = Group::DRAWING_3D;
g.order = 0;
g.h = Group::HGROUP_REFERENCES;
SK.group.Add(&g);
// Let's create three two-d coordinate systems, for the coordinate
// planes; these are our references, present in every sketch.
Request r = {};
r.type = Request::WORKPLANE;
r.group = Group::HGROUP_REFERENCES;
r.workplane = Entity::FREE_IN_3D;
r.h = Request::HREQUEST_REFERENCE_XY;
SK.request.Add(&r);
r.h = Request::HREQUEST_REFERENCE_YZ;
SK.request.Add(&r);
r.h = Request::HREQUEST_REFERENCE_ZX;
SK.request.Add(&r);
CreateDefaultDrawingGroup();
}
const SolveSpaceUI::SaveTable SolveSpaceUI::SAVED[] = {
{ 'g', "Group.h.v", 'x', &(SS.sv.g.h.v) },
{ 'g', "Group.type", 'd', &(SS.sv.g.type) },
{ 'g', "Group.order", 'd', &(SS.sv.g.order) },
{ 'g', "Group.name", 'S', &(SS.sv.g.name) },
{ 'g', "Group.activeWorkplane.v", 'x', &(SS.sv.g.activeWorkplane.v) },
{ 'g', "Group.opA.v", 'x', &(SS.sv.g.opA.v) },
{ 'g', "Group.opB.v", 'x', &(SS.sv.g.opB.v) },
{ 'g', "Group.valA", 'f', &(SS.sv.g.valA) },
{ 'g', "Group.valB", 'f', &(SS.sv.g.valB) },
{ 'g', "Group.valC", 'f', &(SS.sv.g.valB) },
{ 'g', "Group.color", 'c', &(SS.sv.g.color) },
{ 'g', "Group.subtype", 'd', &(SS.sv.g.subtype) },
{ 'g', "Group.skipFirst", 'b', &(SS.sv.g.skipFirst) },
{ 'g', "Group.meshCombine", 'd', &(SS.sv.g.meshCombine) },
{ 'g', "Group.forceToMesh", 'd', &(SS.sv.g.forceToMesh) },
{ 'g', "Group.predef.q.w", 'f', &(SS.sv.g.predef.q.w) },
{ 'g', "Group.predef.q.vx", 'f', &(SS.sv.g.predef.q.vx) },
{ 'g', "Group.predef.q.vy", 'f', &(SS.sv.g.predef.q.vy) },
{ 'g', "Group.predef.q.vz", 'f', &(SS.sv.g.predef.q.vz) },
{ 'g', "Group.predef.origin.v", 'x', &(SS.sv.g.predef.origin.v) },
{ 'g', "Group.predef.entityB.v", 'x', &(SS.sv.g.predef.entityB.v) },
{ 'g', "Group.predef.entityC.v", 'x', &(SS.sv.g.predef.entityC.v) },
{ 'g', "Group.predef.swapUV", 'b', &(SS.sv.g.predef.swapUV) },
{ 'g', "Group.predef.negateU", 'b', &(SS.sv.g.predef.negateU) },
{ 'g', "Group.predef.negateV", 'b', &(SS.sv.g.predef.negateV) },
{ 'g', "Group.visible", 'b', &(SS.sv.g.visible) },
{ 'g', "Group.suppress", 'b', &(SS.sv.g.suppress) },
{ 'g', "Group.relaxConstraints", 'b', &(SS.sv.g.relaxConstraints) },
{ 'g', "Group.allowRedundant", 'b', &(SS.sv.g.allowRedundant) },
{ 'g', "Group.allDimsReference", 'b', &(SS.sv.g.allDimsReference) },
{ 'g', "Group.scale", 'f', &(SS.sv.g.scale) },
{ 'g', "Group.remap", 'M', &(SS.sv.g.remap) },
{ 'g', "Group.impFile", 'S', &(SS.sv.g.linkFile) },
{ 'g', "Group.impFileRel", 'S', &(SS.sv.g.linkFileRel) },
{ 'p', "Param.h.v.", 'x', &(SS.sv.p.h.v) },
{ 'p', "Param.val", 'f', &(SS.sv.p.val) },
{ 'r', "Request.h.v", 'x', &(SS.sv.r.h.v) },
{ 'r', "Request.type", 'd', &(SS.sv.r.type) },
{ 'r', "Request.extraPoints", 'd', &(SS.sv.r.extraPoints) },
{ 'r', "Request.workplane.v", 'x', &(SS.sv.r.workplane.v) },
{ 'r', "Request.group.v", 'x', &(SS.sv.r.group.v) },
{ 'r', "Request.construction", 'b', &(SS.sv.r.construction) },
{ 'r', "Request.style", 'x', &(SS.sv.r.style) },
{ 'r', "Request.str", 'S', &(SS.sv.r.str) },
{ 'r', "Request.font", 'S', &(SS.sv.r.font) },
{ 'e', "Entity.h.v", 'x', &(SS.sv.e.h.v) },
{ 'e', "Entity.type", 'd', &(SS.sv.e.type) },
{ 'e', "Entity.construction", 'b', &(SS.sv.e.construction) },
{ 'e', "Entity.style", 'x', &(SS.sv.e.style) },
{ 'e', "Entity.str", 'S', &(SS.sv.e.str) },
{ 'e', "Entity.font", 'S', &(SS.sv.e.font) },
{ 'e', "Entity.point[0].v", 'x', &(SS.sv.e.point[0].v) },
{ 'e', "Entity.point[1].v", 'x', &(SS.sv.e.point[1].v) },
{ 'e', "Entity.point[2].v", 'x', &(SS.sv.e.point[2].v) },
{ 'e', "Entity.point[3].v", 'x', &(SS.sv.e.point[3].v) },
{ 'e', "Entity.point[4].v", 'x', &(SS.sv.e.point[4].v) },
{ 'e', "Entity.point[5].v", 'x', &(SS.sv.e.point[5].v) },
{ 'e', "Entity.point[6].v", 'x', &(SS.sv.e.point[6].v) },
{ 'e', "Entity.point[7].v", 'x', &(SS.sv.e.point[7].v) },
{ 'e', "Entity.point[8].v", 'x', &(SS.sv.e.point[8].v) },
{ 'e', "Entity.point[9].v", 'x', &(SS.sv.e.point[9].v) },
{ 'e', "Entity.point[10].v", 'x', &(SS.sv.e.point[10].v) },
{ 'e', "Entity.point[11].v", 'x', &(SS.sv.e.point[11].v) },
{ 'e', "Entity.extraPoints", 'd', &(SS.sv.e.extraPoints) },
{ 'e', "Entity.normal.v", 'x', &(SS.sv.e.normal.v) },
{ 'e', "Entity.distance.v", 'x', &(SS.sv.e.distance.v) },
{ 'e', "Entity.workplane.v", 'x', &(SS.sv.e.workplane.v) },
{ 'e', "Entity.actPoint.x", 'f', &(SS.sv.e.actPoint.x) },
{ 'e', "Entity.actPoint.y", 'f', &(SS.sv.e.actPoint.y) },
{ 'e', "Entity.actPoint.z", 'f', &(SS.sv.e.actPoint.z) },
{ 'e', "Entity.actNormal.w", 'f', &(SS.sv.e.actNormal.w) },
{ 'e', "Entity.actNormal.vx", 'f', &(SS.sv.e.actNormal.vx) },
{ 'e', "Entity.actNormal.vy", 'f', &(SS.sv.e.actNormal.vy) },
{ 'e', "Entity.actNormal.vz", 'f', &(SS.sv.e.actNormal.vz) },
{ 'e', "Entity.actDistance", 'f', &(SS.sv.e.actDistance) },
{ 'e', "Entity.actVisible", 'b', &(SS.sv.e.actVisible), },
{ 'c', "Constraint.h.v", 'x', &(SS.sv.c.h.v) },
{ 'c', "Constraint.type", 'd', &(SS.sv.c.type) },
{ 'c', "Constraint.group.v", 'x', &(SS.sv.c.group.v) },
{ 'c', "Constraint.workplane.v", 'x', &(SS.sv.c.workplane.v) },
{ 'c', "Constraint.valA", 'f', &(SS.sv.c.valA) },
{ 'c', "Constraint.ptA.v", 'x', &(SS.sv.c.ptA.v) },
{ 'c', "Constraint.ptB.v", 'x', &(SS.sv.c.ptB.v) },
{ 'c', "Constraint.entityA.v", 'x', &(SS.sv.c.entityA.v) },
{ 'c', "Constraint.entityB.v", 'x', &(SS.sv.c.entityB.v) },
{ 'c', "Constraint.entityC.v", 'x', &(SS.sv.c.entityC.v) },
{ 'c', "Constraint.entityD.v", 'x', &(SS.sv.c.entityD.v) },
{ 'c', "Constraint.other", 'b', &(SS.sv.c.other) },
{ 'c', "Constraint.other2", 'b', &(SS.sv.c.other2) },
{ 'c', "Constraint.reference", 'b', &(SS.sv.c.reference) },
{ 'c', "Constraint.comment", 'S', &(SS.sv.c.comment) },
{ 'c', "Constraint.disp.offset.x", 'f', &(SS.sv.c.disp.offset.x) },
{ 'c', "Constraint.disp.offset.y", 'f', &(SS.sv.c.disp.offset.y) },
{ 'c', "Constraint.disp.offset.z", 'f', &(SS.sv.c.disp.offset.z) },
{ 'c', "Constraint.disp.style", 'x', &(SS.sv.c.disp.style) },
{ 's', "Style.h.v", 'x', &(SS.sv.s.h.v) },
{ 's', "Style.name", 'S', &(SS.sv.s.name) },
{ 's', "Style.width", 'f', &(SS.sv.s.width) },
{ 's', "Style.widthAs", 'd', &(SS.sv.s.widthAs) },
{ 's', "Style.textHeight", 'f', &(SS.sv.s.textHeight) },
{ 's', "Style.textHeightAs", 'd', &(SS.sv.s.textHeightAs) },
{ 's', "Style.textAngle", 'f', &(SS.sv.s.textAngle) },
{ 's', "Style.textOrigin", 'x', &(SS.sv.s.textOrigin) },
{ 's', "Style.color", 'c', &(SS.sv.s.color) },
{ 's', "Style.fillColor", 'c', &(SS.sv.s.fillColor) },
{ 's', "Style.filled", 'b', &(SS.sv.s.filled) },
{ 's', "Style.visible", 'b', &(SS.sv.s.visible) },
{ 's', "Style.exportable", 'b', &(SS.sv.s.exportable) },
{ 's', "Style.stippleType", 'd', &(SS.sv.s.stippleType) },
{ 's', "Style.stippleScale", 'f', &(SS.sv.s.stippleScale) },
{ 0, NULL, 0, NULL }
};
struct SAVEDptr {
IdList<EntityMap,EntityId> &M() { return *((IdList<EntityMap,EntityId> *)this); }
std::string &S() { return *((std::string *)this); }
bool &b() { return *((bool *)this); }
RgbaColor &c() { return *((RgbaColor *)this); }
int &d() { return *((int *)this); }
double &f() { return *((double *)this); }
uint32_t &x() { return *((uint32_t *)this); }
};
void SolveSpaceUI::SaveUsingTable(int type) {
int i;
for(i = 0; SAVED[i].type != 0; i++) {
if(SAVED[i].type != type) continue;
int fmt = SAVED[i].fmt;
SAVEDptr *p = (SAVEDptr *)SAVED[i].ptr;
// Any items that aren't specified are assumed to be zero
if(fmt == 'S' && p->S().empty()) continue;
if(fmt == 'd' && p->d() == 0) continue;
if(fmt == 'f' && EXACT(p->f() == 0.0)) continue;
if(fmt == 'x' && p->x() == 0) continue;
fprintf(fh, "%s=", SAVED[i].desc);
switch(fmt) {
case 'S': fprintf(fh, "%s", p->S().c_str()); break;
case 'b': fprintf(fh, "%d", p->b() ? 1 : 0); break;
case 'c': fprintf(fh, "%08x", p->c().ToPackedInt()); break;
case 'd': fprintf(fh, "%d", p->d()); break;
case 'f': fprintf(fh, "%.20f", p->f()); break;
case 'x': fprintf(fh, "%08x", p->x()); break;
case 'M': {
int j;
fprintf(fh, "{\n");
for(j = 0; j < p->M().n; j++) {
EntityMap *em = &(p->M().elem[j]);
fprintf(fh, " %d %08x %d\n",
em->h.v, em->input.v, em->copyNumber);
}
fprintf(fh, "}");
break;
}
default: oops();
}
fprintf(fh, "\n");
}
}
bool SolveSpaceUI::SaveToFile(const std::string &filename) {
// Make sure all the entities are regenerated up to date, since they
// will be exported. We reload the linked files because that rewrites
// the linkFileRel for our possibly-new filename.
SS.ScheduleShowTW();
SS.ReloadAllImported();
SS.GenerateAll(SolveSpaceUI::GENERATE_ALL);
fh = ssfopen(filename, "wb");
if(!fh) {
Error("Couldn't write to file '%s'", filename.c_str());
return false;
}
fprintf(fh, "%s\n\n\n", VERSION_STRING);
int i, j;
for(i = 0; i < SK.group.n; i++) {
sv.g = SK.group.elem[i];
SaveUsingTable('g');
fprintf(fh, "AddGroup\n\n");
}
for(i = 0; i < SK.param.n; i++) {
sv.p = SK.param.elem[i];
SaveUsingTable('p');
fprintf(fh, "AddParam\n\n");
}
for(i = 0; i < SK.request.n; i++) {
sv.r = SK.request.elem[i];
SaveUsingTable('r');
fprintf(fh, "AddRequest\n\n");
}
for(i = 0; i < SK.entity.n; i++) {
(SK.entity.elem[i]).CalculateNumerical(true);
sv.e = SK.entity.elem[i];
SaveUsingTable('e');
fprintf(fh, "AddEntity\n\n");
}
for(i = 0; i < SK.constraint.n; i++) {
sv.c = SK.constraint.elem[i];
SaveUsingTable('c');
fprintf(fh, "AddConstraint\n\n");
}
for(i = 0; i < SK.style.n; i++) {
sv.s = SK.style.elem[i];
if(sv.s.h.v >= Style::FIRST_CUSTOM) {
SaveUsingTable('s');
fprintf(fh, "AddStyle\n\n");
}
}
// A group will have either a mesh or a shell, but not both; but the code
// to print either of those just does nothing if the mesh/shell is empty.
Group *g = SK.GetGroup(SK.groupOrder.elem[SK.groupOrder.n - 1]);
SMesh *m = &g->runningMesh;
for(i = 0; i < m->l.n; i++) {
STriangle *tr = &(m->l.elem[i]);
fprintf(fh, "Triangle %08x %08x "
"%.20f %.20f %.20f %.20f %.20f %.20f %.20f %.20f %.20f\n",
tr->meta.face, tr->meta.color.ToPackedInt(),
CO(tr->a), CO(tr->b), CO(tr->c));
}
SShell *s = &g->runningShell;
SSurface *srf;
for(srf = s->surface.First(); srf; srf = s->surface.NextAfter(srf)) {
fprintf(fh, "Surface %08x %08x %08x %d %d\n",
srf->h.v, srf->color.ToPackedInt(), srf->face, srf->degm, srf->degn);
for(i = 0; i <= srf->degm; i++) {
for(j = 0; j <= srf->degn; j++) {
fprintf(fh, "SCtrl %d %d %.20f %.20f %.20f Weight %20.20f\n",
i, j, CO(srf->ctrl[i][j]), srf->weight[i][j]);
}
}
STrimBy *stb;
for(stb = srf->trim.First(); stb; stb = srf->trim.NextAfter(stb)) {
fprintf(fh, "TrimBy %08x %d %.20f %.20f %.20f %.20f %.20f %.20f\n",
stb->curve.v, stb->backwards ? 1 : 0,
CO(stb->start), CO(stb->finish));
}
fprintf(fh, "AddSurface\n");
}
SCurve *sc;
for(sc = s->curve.First(); sc; sc = s->curve.NextAfter(sc)) {
fprintf(fh, "Curve %08x %d %d %08x %08x\n",
sc->h.v,
sc->isExact ? 1 : 0, sc->exact.deg,
sc->surfA.v, sc->surfB.v);
if(sc->isExact) {
for(i = 0; i <= sc->exact.deg; i++) {
fprintf(fh, "CCtrl %d %.20f %.20f %.20f Weight %.20f\n",
i, CO(sc->exact.ctrl[i]), sc->exact.weight[i]);
}
}
SCurvePt *scpt;
for(scpt = sc->pts.First(); scpt; scpt = sc->pts.NextAfter(scpt)) {
fprintf(fh, "CurvePt %d %.20f %.20f %.20f\n",
scpt->vertex ? 1 : 0, CO(scpt->p));
}
fprintf(fh, "AddCurve\n");
}
fclose(fh);
return true;
}
void SolveSpaceUI::LoadUsingTable(char *key, char *val) {
int i;
for(i = 0; SAVED[i].type != 0; i++) {
if(strcmp(SAVED[i].desc, key)==0) {
SAVEDptr *p = (SAVEDptr *)SAVED[i].ptr;
unsigned int u = 0;
switch(SAVED[i].fmt) {
case 'S': p->S() = val; break;
case 'b': p->b() = (atoi(val) != 0); break;
case 'd': p->d() = atoi(val); break;
case 'f': p->f() = atof(val); break;
case 'x': sscanf(val, "%x", &u); p->x()= u; break;
case 'c':
sscanf(val, "%x", &u);
p->c() = RgbaColor::FromPackedInt(u);
break;
case 'P':
p->S() = val;
break;
case 'M': {
// Don't clear this list! When the group gets added, it
// makes a shallow copy, so that would result in us
// freeing memory that we want to keep around. Just
// zero it out so that new memory is allocated.
p->M() = {};
for(;;) {
EntityMap em;
char line2[1024];
if (fgets(line2, (int)sizeof(line2), fh) == NULL)
break;
if(sscanf(line2, "%d %x %d", &(em.h.v), &(em.input.v),
&(em.copyNumber)) == 3)
{
p->M().Add(&em);
} else {
break;
}
}
break;
}
default: oops();
}
break;
}
}
if(SAVED[i].type == 0) {
fileLoadError = true;
}
}
bool SolveSpaceUI::LoadFromFile(const std::string &filename) {
allConsistent = false;
fileLoadError = false;
fh = ssfopen(filename, "rb");
if(!fh) {
Error("Couldn't read from file '%s'", filename.c_str());
return false;
}
ClearExisting();
sv = {};
sv.g.scale = 1; // default is 1, not 0; so legacy files need this
Style::FillDefaultStyle(&sv.s);
char line[1024];
while(fgets(line, (int)sizeof(line), fh)) {
char *s = strchr(line, '\n');
if(s) *s = '\0';
// We should never get files with \r characters in them, but mailers
// will sometimes mangle attachments.
s = strchr(line, '\r');
if(s) *s = '\0';
if(*line == '\0') continue;
char *e = strchr(line, '=');
if(e) {
*e = '\0';
char *key = line, *val = e+1;
LoadUsingTable(key, val);
} else if(strcmp(line, "AddGroup")==0) {
// legacy files have a spurious dependency between linked groups
// and their parent groups, remove
if(sv.g.type == Group::LINKED)
sv.g.opA.v = 0;
SK.group.Add(&(sv.g));
sv.g = {};
sv.g.scale = 1; // default is 1, not 0; so legacy files need this
} else if(strcmp(line, "AddParam")==0) {
// params are regenerated, but we want to preload the values
// for initial guesses
SK.param.Add(&(sv.p));
sv.p = {};
} else if(strcmp(line, "AddEntity")==0) {
// entities are regenerated
} else if(strcmp(line, "AddRequest")==0) {
SK.request.Add(&(sv.r));
sv.r = {};
} else if(strcmp(line, "AddConstraint")==0) {
SK.constraint.Add(&(sv.c));
sv.c = {};
} else if(strcmp(line, "AddStyle")==0) {
SK.style.Add(&(sv.s));
sv.s = {};
Style::FillDefaultStyle(&sv.s);
} else if(strcmp(line, VERSION_STRING)==0) {
// do nothing, version string
} else if(StrStartsWith(line, "Triangle ") ||
StrStartsWith(line, "Surface ") ||
StrStartsWith(line, "SCtrl ") ||
StrStartsWith(line, "TrimBy ") ||
StrStartsWith(line, "Curve ") ||
StrStartsWith(line, "CCtrl ") ||
StrStartsWith(line, "CurvePt ") ||
strcmp(line, "AddSurface")==0 ||
strcmp(line, "AddCurve")==0)
{
// ignore the mesh or shell, since we regenerate that
} else {
fileLoadError = true;
}
}
fclose(fh);
if(fileLoadError) {
Error("Unrecognized data in file. This file may be corrupt, or "
"from a new version of the program.");
// At least leave the program in a non-crashing state.
if(SK.group.n == 0) {
NewFile();
}
}
return true;
}
bool SolveSpaceUI::LoadEntitiesFromFile(const std::string &filename, EntityList *le,
SMesh *m, SShell *sh)
{
SSurface srf = {};
SCurve crv = {};
fh = ssfopen(filename, "rb");
if(!fh) return false;
le->Clear();
sv = {};
char line[1024];
while(fgets(line, (int)sizeof(line), fh)) {
char *s = strchr(line, '\n');
if(s) *s = '\0';
// We should never get files with \r characters in them, but mailers
// will sometimes mangle attachments.
s = strchr(line, '\r');
if(s) *s = '\0';
if(*line == '\0') continue;
char *e = strchr(line, '=');
if(e) {
*e = '\0';
char *key = line, *val = e+1;
LoadUsingTable(key, val);
} else if(strcmp(line, "AddGroup")==0) {
// Don't leak memory; these get allocated whether we want them
// or not.
sv.g.remap.Clear();
} else if(strcmp(line, "AddParam")==0) {
} else if(strcmp(line, "AddEntity")==0) {
le->Add(&(sv.e));
sv.e = {};
} else if(strcmp(line, "AddRequest")==0) {
} else if(strcmp(line, "AddConstraint")==0) {
} else if(strcmp(line, "AddStyle")==0) {
} else if(strcmp(line, VERSION_STRING)==0) {
} else if(StrStartsWith(line, "Triangle ")) {
STriangle tr = {};
unsigned int rgba = 0;
if(sscanf(line, "Triangle %x %x "
"%lf %lf %lf %lf %lf %lf %lf %lf %lf",
&(tr.meta.face), &rgba,
&(tr.a.x), &(tr.a.y), &(tr.a.z),
&(tr.b.x), &(tr.b.y), &(tr.b.z),
&(tr.c.x), &(tr.c.y), &(tr.c.z)) != 11) {
oops();
}
tr.meta.color = RgbaColor::FromPackedInt((uint32_t)rgba);
m->AddTriangle(&tr);
} else if(StrStartsWith(line, "Surface ")) {
unsigned int rgba = 0;
if(sscanf(line, "Surface %x %x %x %d %d",
&(srf.h.v), &rgba, &(srf.face),
&(srf.degm), &(srf.degn)) != 5) {
oops();
}
srf.color = RgbaColor::FromPackedInt((uint32_t)rgba);
} else if(StrStartsWith(line, "SCtrl ")) {
int i, j;
Vector c;
double w;
if(sscanf(line, "SCtrl %d %d %lf %lf %lf Weight %lf",
&i, &j, &(c.x), &(c.y), &(c.z), &w) != 6)
{
oops();
}
srf.ctrl[i][j] = c;
srf.weight[i][j] = w;
} else if(StrStartsWith(line, "TrimBy ")) {
STrimBy stb = {};
int backwards;
if(sscanf(line, "TrimBy %x %d %lf %lf %lf %lf %lf %lf",
&(stb.curve.v), &backwards,
&(stb.start.x), &(stb.start.y), &(stb.start.z),
&(stb.finish.x), &(stb.finish.y), &(stb.finish.z)) != 8)
{
oops();
}
stb.backwards = (backwards != 0);
srf.trim.Add(&stb);
} else if(strcmp(line, "AddSurface")==0) {
sh->surface.Add(&srf);
srf = {};
} else if(StrStartsWith(line, "Curve ")) {
int isExact;
if(sscanf(line, "Curve %x %d %d %x %x",
&(crv.h.v),
&(isExact),
&(crv.exact.deg),
&(crv.surfA.v), &(crv.surfB.v)) != 5)
{
oops();
}
crv.isExact = (isExact != 0);
} else if(StrStartsWith(line, "CCtrl ")) {
int i;
Vector c;
double w;
if(sscanf(line, "CCtrl %d %lf %lf %lf Weight %lf",
&i, &(c.x), &(c.y), &(c.z), &w) != 5)
{
oops();
}
crv.exact.ctrl[i] = c;
crv.exact.weight[i] = w;
} else if(StrStartsWith(line, "CurvePt ")) {
SCurvePt scpt;
int vertex;
if(sscanf(line, "CurvePt %d %lf %lf %lf",
&vertex,
&(scpt.p.x), &(scpt.p.y), &(scpt.p.z)) != 4)
{
oops();
}
scpt.vertex = (vertex != 0);
crv.pts.Add(&scpt);
} else if(strcmp(line, "AddCurve")==0) {
sh->curve.Add(&crv);
crv = {};
} else {
oops();
}
}
fclose(fh);
return true;
}
//-----------------------------------------------------------------------------
// Handling of the relative-absolute path transformations for links
//-----------------------------------------------------------------------------
static std::vector<std::string> Split(const std::string &haystack, const std::string &needle)
{
std::vector<std::string> result;
size_t oldpos = 0, pos = 0;
while(true) {
oldpos = pos;
pos = haystack.find(needle, pos);
if(pos == std::string::npos) break;
result.push_back(haystack.substr(oldpos, pos - oldpos));
pos += needle.length();
}
if(oldpos != haystack.length() - 1)
result.push_back(haystack.substr(oldpos));
return result;
}
static std::string Join(const std::vector<std::string> &parts, const std::string &separator)
{
bool first = true;
std::string result;
for(auto &part : parts) {
if(!first) result += separator;
result += part;
first = false;
}
return result;
}
static bool PlatformPathEqual(const std::string &a, const std::string &b)
{
// Case-sensitivity is actually per-volume on both Windows and OS X,
// but it is extremely tedious to implement and test for little benefit.
#if defined(WIN32)
std::wstring wa = Widen(a), wb = Widen(b);
return std::equal(wa.begin(), wa.end(), wb.begin(), /*wb.end(),*/
[](wchar_t wca, wchar_t wcb) { return towlower(wca) == towlower(wcb); });
#elif defined(__APPLE__)
return !strcasecmp(a.c_str(), b.c_str());
#else
return a == b;
#endif
}
static std::string MakePathRelative(const std::string &base, const std::string &path)
{
std::vector<std::string> baseParts = Split(base, PATH_SEP),
pathParts = Split(path, PATH_SEP),
resultParts;
baseParts.pop_back();
size_t common;
for(common = 0; common < baseParts.size() && common < pathParts.size(); common++) {
if(!PlatformPathEqual(baseParts[common], pathParts[common]))
break;
}
for(size_t i = common; i < baseParts.size(); i++)
resultParts.push_back("..");
resultParts.insert(resultParts.end(),
pathParts.begin() + common, pathParts.end());
return Join(resultParts, PATH_SEP);
}
static std::string MakePathAbsolute(const std::string &base, const std::string &path)
{
std::vector<std::string> resultParts = Split(base, PATH_SEP),
pathParts = Split(path, PATH_SEP);
resultParts.pop_back();
for(auto &part : pathParts) {
if(part == ".") {
/* do nothing */
} else if(part == "..") {
if(resultParts.empty()) oops();
resultParts.pop_back();
} else {
resultParts.push_back(part);
}
}
return Join(resultParts, PATH_SEP);
}
static void PathSepNormalize(std::string &filename)
{
for(size_t i = 0; i < filename.length(); i++) {
if(filename[i] == '\\')
filename[i] = '/';
}
}
static std::string PathSepPlatformToUNIX(const std::string &filename)
{
#if defined(WIN32)
std::string result = filename;
for(size_t i = 0; i < result.length(); i++) {
if(result[i] == '\\')
result[i] = '/';
}
return result;
#else
return filename;
#endif
}
static std::string PathSepUNIXToPlatform(const std::string &filename)
{
#if defined(WIN32)
std::string result = filename;
for(size_t i = 0; i < result.length(); i++) {
if(result[i] == '/')
result[i] = '\\';
}
return result;
#else
return filename;
#endif
}
bool SolveSpaceUI::ReloadAllImported(bool canCancel)
{
std::map<std::string, std::string> linkMap;
allConsistent = false;
int i;
for(i = 0; i < SK.group.n; i++) {
Group *g = &(SK.group.elem[i]);
if(g->type != Group::LINKED) continue;
if(isalpha(g->linkFile[0]) && g->linkFile[1] == ':') {
// Make sure that g->linkFileRel always contains a relative path
// in an UNIX format, even after we load an old file which had
// the path in Windows format
PathSepNormalize(g->linkFileRel);
}
g->impEntity.Clear();
g->impMesh.Clear();
g->impShell.Clear();
if(linkMap.count(g->linkFile)) {
std::string newPath = linkMap[g->linkFile];
if(!newPath.empty())
g->linkFile = newPath;
}
std::string rel = PathSepUNIXToPlatform(g->linkFileRel);
std::string fromRel = MakePathAbsolute(SS.saveFile, rel);
FILE *test = ssfopen(fromRel, "rb");
if(test) {
fclose(test);
// Okay, exists; update the absolute path.
g->linkFile = fromRel;
} else {
// It doesn't exist. Perhaps the file was moved but the tree wasn't, and we
// can use the absolute filename to get us back. The relative path will be
// updated below.
}
try_load_file:
if(LoadEntitiesFromFile(g->linkFile, &(g->impEntity), &(g->impMesh), &(g->impShell)))
{
if(!SS.saveFile.empty()) {
// Record the linked file's name relative to our filename;
// if the entire tree moves, then everything will still work
std::string rel = MakePathRelative(SS.saveFile, g->linkFile);
g->linkFileRel = PathSepPlatformToUNIX(rel);
} else {
// We're not yet saved, so can't make it absolute.
// This will only be used for display purposes, as SS.saveFile
// is always nonempty when we are actually writing anything.
g->linkFileRel = g->linkFile;
}
} else if(!linkMap.count(g->linkFile)) {
switch(LocateImportedFileYesNoCancel(g->linkFileRel, canCancel)) {
case DIALOG_YES: {
std::string oldImpFile = g->linkFile;
if(!GetOpenFile(&g->linkFile, "", SlvsFileFilter)) {
if(canCancel)
return false;
break;
} else {
linkMap[oldImpFile] = g->linkFile;
goto try_load_file;
}
}
case DIALOG_NO:
linkMap[g->linkFile] = "";
/* Geometry will be pruned by GenerateAll(). */
break;
case DIALOG_CANCEL:
return false;
}
} else {
// User was already asked to and refused to locate a missing
// linked file.
}
}
return true;
}