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file.cpp
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file.cpp
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//-----------------------------------------------------------------------------
// 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() {
UndoClearStack(&redo);
UndoClearStack(&undo);
for(hGroup hg : SK.groupOrder) {
Group *g = SK.GetGroup(hg);
g->Clear();
}
SK.constraint.Clear();
SK.request.Clear();
SK.group.Clear();
SK.groupOrder.Clear();
SK.style.Clear();
SK.entity.Clear();
SK.param.Clear();
images.clear();
}
hGroup SolveSpaceUI::CreateDefaultDrawingGroup() {
Group g = {};
// And an empty group, for the first stuff the user draws.
g.visible = true;
g.name = C_("group-name", "sketch-in-plane");
g.type = Group::Type::DRAWING_WORKPLANE;
g.subtype = Group::Subtype::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() {
ClearExisting();
// Our initial group, that contains the references.
Group g = {};
g.visible = true;
g.name = C_("group-name", "#references");
g.type = Group::Type::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::Type::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", 'i', NULL },
{ 'g', "Group.impFileRel", 'P', &(SS.sv.g.linkFile) },
{ '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) },
{ 'r', "Request.file", 'P', &(SS.sv.r.file) },
{ 'r', "Request.aspectRatio", 'f', &(SS.sv.r.aspectRatio) },
{ '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.file", 'P', &(SS.sv.e.file) },
{ '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.valP.v", 'x', &(SS.sv.c.valP.v) },
{ '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 {
EntityMap &M() { return *((EntityMap *)this); }
std::string &S() { return *((std::string *)this); }
Platform::Path &P() { return *((Platform::Path *)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(const Platform::Path &filename, 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 == 'P' && p->P().IsEmpty()) continue;
if(fmt == 'd' && p->d() == 0) continue;
if(fmt == 'f' && EXACT(p->f() == 0.0)) continue;
if(fmt == 'x' && p->x() == 0) continue;
if(fmt == 'i') 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 'P': {
if(!p->P().IsEmpty()) {
Platform::Path relativePath = p->P().RelativeTo(filename.Parent());
ssassert(!relativePath.IsEmpty(), "Cannot relativize path");
fprintf(fh, "%s", relativePath.ToPortable().c_str());
}
break;
}
case 'M': {
fprintf(fh, "{\n");
// Sort the mapping, since EntityMap is not deterministic.
std::vector<std::pair<EntityKey, EntityId>> sorted(p->M().begin(), p->M().end());
std::sort(sorted.begin(), sorted.end(),
[](std::pair<EntityKey, EntityId> &a, std::pair<EntityKey, EntityId> &b) {
return a.second.v < b.second.v;
});
for(auto it : sorted) {
fprintf(fh, " %d %08x %d\n",
it.second.v, it.first.input.v, it.first.copyNumber);
}
fprintf(fh, "}");
break;
}
case 'i': break;
default: ssassert(false, "Unexpected value format");
}
fprintf(fh, "\n");
}
}
bool SolveSpaceUI::SaveToFile(const Platform::Path &filename) {
// Make sure all the entities are regenerated up to date, since they will be exported.
SS.ScheduleShowTW();
SS.GenerateAll(SolveSpaceUI::Generate::ALL);
for(Group &g : SK.group) {
if(g.type != Group::Type::LINKED) continue;
if(g.linkFile.RelativeTo(filename).IsEmpty()) {
Error("This sketch links the sketch '%s'; it can only be saved "
"on the same volume.", g.linkFile.raw.c_str());
return false;
}
}
fh = OpenFile(filename, "wb");
if(!fh) {
Error("Couldn't write to file '%s'", filename.raw.c_str());
return false;
}
fprintf(fh, "%s\n\n\n", VERSION_STRING);
int i, j;
for(auto &g : SK.group) {
sv.g = g;
SaveUsingTable(filename, 'g');
fprintf(fh, "AddGroup\n\n");
}
for(auto &p : SK.param) {
sv.p = p;
SaveUsingTable(filename, 'p');
fprintf(fh, "AddParam\n\n");
}
for(auto &r : SK.request) {
sv.r = r;
SaveUsingTable(filename, 'r');
fprintf(fh, "AddRequest\n\n");
}
for(auto &e : SK.entity) {
e.CalculateNumerical(/*forExport=*/true);
sv.e = e;
SaveUsingTable(filename, 'e');
fprintf(fh, "AddEntity\n\n");
}
for(auto &c : SK.constraint) {
sv.c = c;
SaveUsingTable(filename, 'c');
fprintf(fh, "AddConstraint\n\n");
}
for(auto &s : SK.style) {
sv.s = s;
if(sv.s.h.v >= Style::FIRST_CUSTOM) {
SaveUsingTable(filename, '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.Last());
SMesh *m = &g->runningMesh;
for(i = 0; i < m->l.n; i++) {
STriangle *tr = &(m->l[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(const Platform::Path &filename, 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 'P': {
Platform::Path path = Platform::Path::FromPortable(val);
if(!path.IsEmpty()) {
p->P() = filename.Parent().Join(path).Expand();
}
break;
}
case 'c':
sscanf(val, "%x", &u);
p->c() = RgbaColor::FromPackedInt(u);
break;
case 'M': {
p->M().clear();
for(;;) {
EntityKey ek;
EntityId ei;
char line2[1024];
if (fgets(line2, (int)sizeof(line2), fh) == NULL)
break;
if(sscanf(line2, "%d %x %d", &(ei.v), &(ek.input.v),
&(ek.copyNumber)) == 3) {
if(ei.v == Entity::NO_ENTITY.v) {
// Commit bd84bc1a mistakenly introduced code that would remap
// some entities to NO_ENTITY. This was fixed in commit bd84bc1a,
// but files created meanwhile are corrupt, and can cause crashes.
//
// To fix this, we skip any such remaps when loading; they will be
// recreated on the next regeneration. Any resulting orphans will
// be pruned in the usual way, recovering to a well-defined state.
continue;
}
p->M().insert({ ek, ei });
} else {
break;
}
}
break;
}
case 'i': break;
default: ssassert(false, "Unexpected value format");
}
break;
}
}
if(SAVED[i].type == 0) {
fileLoadError = true;
}
}
bool SolveSpaceUI::LoadFromFile(const Platform::Path &filename, bool canCancel) {
allConsistent = false;
fileLoadError = false;
fh = OpenFile(filename, "rb");
if(!fh) {
Error("Couldn't read from file '%s'", filename.raw.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(filename, 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::Type::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 newer version of the program."));
// At least leave the program in a non-crashing state.
if(SK.group.IsEmpty()) {
NewFile();
}
}
if(!ReloadAllLinked(filename, canCancel)) {
return false;
}
UpgradeLegacyData();
return true;
}
void SolveSpaceUI::UpgradeLegacyData() {
for(Request &r : SK.request) {
switch(r.type) {
// TTF text requests saved in versions prior to 3.0 only have two
// reference points (origin and origin plus v); version 3.0 adds two
// more points, and if we don't do anything, then they will appear
// at workplane origin, and the solver will mess up the sketch if
// it is not fully constrained.
case Request::Type::TTF_TEXT: {
IdList<Entity,hEntity> entity = {};
IdList<Param,hParam> param = {};
r.Generate(&entity, ¶m);
// If we didn't load all of the entities and params that this
// request would generate, then add them now, so that we can
// force them to their appropriate positions.
for(Param &p : param) {
if(SK.param.FindByIdNoOops(p.h) != NULL) continue;
SK.param.Add(&p);
}
bool allPointsExist = true;
for(Entity &e : entity) {
if(SK.entity.FindByIdNoOops(e.h) != NULL) continue;
SK.entity.Add(&e);
allPointsExist = false;
}
if(!allPointsExist) {
Entity *text = entity.FindById(r.h.entity(0));
Entity *b = entity.FindById(text->point[2]);
Entity *c = entity.FindById(text->point[3]);
ExprVector bex, cex;
text->RectGetPointsExprs(&bex, &cex);
b->PointForceParamTo(bex.Eval());
c->PointForceParamTo(cex.Eval());
}
entity.Clear();
param.Clear();
break;
}
default:
break;
}
}
// Constraints saved in versions prior to 3.0 never had any params;
// version 3.0 introduced params to constraints to avoid the hairy ball problem,
// so force them where they belong.
IdList<Param,hParam> oldParam = {};
SK.param.DeepCopyInto(&oldParam);
SS.GenerateAll(SolveSpaceUI::Generate::REGEN);
auto AllParamsExistFor = [&](Constraint &c) {
IdList<Param,hParam> param = {};
c.Generate(¶m);
bool allParamsExist = true;
for(Param &p : param) {
if(oldParam.FindByIdNoOops(p.h) != NULL) continue;
allParamsExist = false;
break;
}
param.Clear();
return allParamsExist;
};
for(Constraint &c : SK.constraint) {
switch(c.type) {
case Constraint::Type::PT_ON_LINE: {
if(AllParamsExistFor(c)) continue;
EntityBase *eln = SK.GetEntity(c.entityA);
EntityBase *ea = SK.GetEntity(eln->point[0]);
EntityBase *eb = SK.GetEntity(eln->point[1]);
EntityBase *ep = SK.GetEntity(c.ptA);
ExprVector exp = ep->PointGetExprsInWorkplane(c.workplane);
ExprVector exa = ea->PointGetExprsInWorkplane(c.workplane);
ExprVector exb = eb->PointGetExprsInWorkplane(c.workplane);
ExprVector exba = exb.Minus(exa);
Param *p = SK.GetParam(c.h.param(0));
p->val = exba.Dot(exp.Minus(exa))->Eval() / exba.Dot(exba)->Eval();
break;
}
case Constraint::Type::CUBIC_LINE_TANGENT: {
if(AllParamsExistFor(c)) continue;
EntityBase *cubic = SK.GetEntity(c.entityA);
EntityBase *line = SK.GetEntity(c.entityB);
ExprVector a;
if(c.other) {
a = cubic->CubicGetFinishTangentExprs();
} else {
a = cubic->CubicGetStartTangentExprs();
}
ExprVector b = line->VectorGetExprs();
Param *param = SK.GetParam(c.h.param(0));
param->val = a.Dot(b)->Eval() / b.Dot(b)->Eval();
break;
}
case Constraint::Type::SAME_ORIENTATION: {
if(AllParamsExistFor(c)) continue;
EntityBase *an = SK.GetEntity(c.entityA);
EntityBase *bn = SK.GetEntity(c.entityB);
ExprVector a = an->NormalExprsN();
ExprVector b = bn->NormalExprsN();
Param *param = SK.GetParam(c.h.param(0));
param->val = a.Dot(b)->Eval() / b.Dot(b)->Eval();
break;
}
case Constraint::Type::PARALLEL: {
if(AllParamsExistFor(c)) continue;
EntityBase *ea = SK.GetEntity(c.entityA),
*eb = SK.GetEntity(c.entityB);
ExprVector a = ea->VectorGetExprsInWorkplane(c.workplane);
ExprVector b = eb->VectorGetExprsInWorkplane(c.workplane);
Param *param = SK.GetParam(c.h.param(0));
param->val = a.Dot(b)->Eval() / b.Dot(b)->Eval();
break;
}
default:
break;
}
}
oldParam.Clear();
}
bool SolveSpaceUI::LoadEntitiesFromFile(const Platform::Path &filename, EntityList *le,
SMesh *m, SShell *sh)
{
SSurface srf = {};
SCurve crv = {};
fh = OpenFile(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(filename, key, val);
} else if(strcmp(line, "AddGroup")==0) {
// 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) {
// Linked file contains a style that we don't have yet,
// so import it.
if (SK.style.FindByIdNoOops(sv.s.h) == nullptr) {
SK.style.Add(&(sv.s));
}
sv.s = {};
Style::FillDefaultStyle(&sv.s);
} 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) {
ssassert(false, "Unexpected Triangle format");
}
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) {
ssassert(false, "Unexpected Surface format");
}
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)
{
ssassert(false, "Unexpected SCtrl format");
}
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)
{
ssassert(false, "Unexpected TrimBy format");
}
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)
{
ssassert(false, "Unexpected Curve format");
}
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)
{
ssassert(false, "Unexpected CCtrl format");
}
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)
{
ssassert(false, "Unexpected CurvePt format");
}
scpt.vertex = (vertex != 0);
crv.pts.Add(&scpt);
} else if(strcmp(line, "AddCurve")==0) {
sh->curve.Add(&crv);
crv = {};
} else ssassert(false, "Unexpected operation");
}
fclose(fh);
return true;
}
static Platform::MessageDialog::Response LocateImportedFile(const Platform::Path &filename,
bool canCancel) {
Platform::MessageDialogRef dialog = CreateMessageDialog(SS.GW.window);
using Platform::MessageDialog;
dialog->SetType(MessageDialog::Type::QUESTION);
dialog->SetTitle(C_("title", "Missing File"));
dialog->SetMessage(ssprintf(C_("dialog", "The linked file “%s” is not present."),
filename.raw.c_str()));
dialog->SetDescription(C_("dialog", "Do you want to locate it manually?\n\n"
"If you decline, any geometry that depends on "
"the missing file will be permanently removed."));
dialog->AddButton(C_("button", "&Yes"), MessageDialog::Response::YES,
/*isDefault=*/true);
dialog->AddButton(C_("button", "&No"), MessageDialog::Response::NO);
if(canCancel) {
dialog->AddButton(C_("button", "&Cancel"), MessageDialog::Response::CANCEL);
}
// FIXME(async): asyncify this call
return dialog->RunModal();
}
bool SolveSpaceUI::ReloadAllLinked(const Platform::Path &saveFile, bool canCancel) {
Platform::SettingsRef settings = Platform::GetSettings();
std::map<Platform::Path, Platform::Path, Platform::PathLess> linkMap;
allConsistent = false;
for(Group &g : SK.group) {
if(g.type != Group::Type::LINKED) continue;
g.impEntity.Clear();
g.impMesh.Clear();
g.impShell.Clear();
// If we prompted for this specific file before, don't ask again.
if(linkMap.count(g.linkFile)) {
g.linkFile = linkMap[g.linkFile];
}
try_again:
if(LoadEntitiesFromFile(g.linkFile, &g.impEntity, &g.impMesh, &g.impShell)) {
// We loaded the data, good. Now import its dependencies as well.
for(Entity &e : g.impEntity) {
if(e.type != Entity::Type::IMAGE) continue;
if(!ReloadLinkedImage(g.linkFile, &e.file, canCancel)) {
return false;
}
}
} else if(linkMap.count(g.linkFile) == 0) {
// The file was moved; prompt the user for its new location.
const auto linkFileRelative = g.linkFile.RelativeTo(saveFile);
switch(LocateImportedFile(linkFileRelative, canCancel)) {
case Platform::MessageDialog::Response::YES: {
Platform::FileDialogRef dialog = Platform::CreateOpenFileDialog(SS.GW.window);
dialog->AddFilters(Platform::SolveSpaceModelFileFilters);
dialog->ThawChoices(settings, "LinkSketch");
dialog->SuggestFilename(linkFileRelative);
if(dialog->RunModal()) {
dialog->FreezeChoices(settings, "LinkSketch");
linkMap[g.linkFile] = dialog->GetFilename();
g.linkFile = dialog->GetFilename();
goto try_again;
} else {
if(canCancel) return false;
break;
}
}
case Platform::MessageDialog::Response::NO:
linkMap[g.linkFile].Clear();
// Geometry will be pruned by GenerateAll().
break;
case Platform::MessageDialog::Response::CANCEL:
return false;
default:
ssassert(false, "Unexpected dialog response");
}
} else {
// User was already asked to and refused to locate a missing linked file.
}
}
for(Request &r : SK.request) {
if(r.type != Request::Type::IMAGE) continue;
if(!ReloadLinkedImage(saveFile, &r.file, canCancel)) {
return false;
}
}
return true;
}
bool SolveSpaceUI::ReloadLinkedImage(const Platform::Path &saveFile,
Platform::Path *filename, bool canCancel) {
Platform::SettingsRef settings = Platform::GetSettings();
std::shared_ptr<Pixmap> pixmap;
bool promptOpenFile = false;
if(filename->IsEmpty()) {
// We're prompting the user for a new image.
promptOpenFile = true;
} else {
auto image = SS.images.find(*filename);
if(image != SS.images.end()) return true;
pixmap = Pixmap::ReadPng(*filename);
if(pixmap == NULL) {
// The file was moved; prompt the user for its new location.
switch(LocateImportedFile(filename->RelativeTo(saveFile), canCancel)) {
case Platform::MessageDialog::Response::YES:
promptOpenFile = true;
break;
case Platform::MessageDialog::Response::NO:
// We don't know where the file is, record it as absent.
break;
case Platform::MessageDialog::Response::CANCEL:
return false;
default:
ssassert(false, "Unexpected dialog response");
}
}
}
if(promptOpenFile) {
Platform::FileDialogRef dialog = Platform::CreateOpenFileDialog(SS.GW.window);
dialog->AddFilters(Platform::RasterFileFilters);
dialog->ThawChoices(settings, "LinkImage");
dialog->SuggestFilename(filename->RelativeTo(saveFile));
if(dialog->RunModal()) {
dialog->FreezeChoices(settings, "LinkImage");
*filename = dialog->GetFilename();
pixmap = Pixmap::ReadPng(*filename);
if(pixmap == NULL) {
Error("The image '%s' is corrupted.", filename->raw.c_str());
}
// We know where the file is now, good.
} else if(canCancel) {
return false;
}
}
// We loaded the data, good.
SS.images[*filename] = pixmap;
return true;
}