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add normals to linked STLs

pull/1198/head
phkahler 2022-01-01 14:44:08 -05:00
parent 5cb299b2be
commit b399d9a1ec
1 changed files with 59 additions and 31 deletions
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90
src/importmesh.cpp
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@ -47,7 +47,7 @@ static void addUnique(std::vector<vertex> &lv, Vector &p, Vector &n) {
};
// Make a new point - type doesn't matter since we will make a copy later
static hEntity newPoint(EntityList *el, int id, Vector p) {
static hEntity newPoint(EntityList *el, int *id, Vector p) {
Entity en = {};
en.type = Entity::Type::POINT_N_COPY;
en.extraPoints = 0;
@ -59,7 +59,8 @@ static hEntity newPoint(EntityList *el, int id, Vector p) {
en.actVisible = true;
en.forceHidden = false;
en.h.v = id + en.group.v*65536;
en.h.v = *id + en.group.v*65536;
*id = *id+1;
el->Add(&en);
return en.h;
}
@ -67,12 +68,34 @@ static hEntity newPoint(EntityList *el, int id, Vector p) {
// check if a vertex is unique and add it via newPoint if it is.
static void addVertex(EntityList *el, Vector v) {
if(el->n < 15000) {
int id = el->n+2;
newPoint(el, id, v);
int id = el->n;
newPoint(el, &id, v);
}
}
static hEntity newLine(EntityList *el, int id, hEntity p0, hEntity p1) {
static hEntity newNormal(EntityList *el, int *id, Quaternion normal, hEntity p) {
// normals have parameters, but we don't need them to make a NORMAL_N_COPY from this
Entity en = {};
en.type = Entity::Type::NORMAL_N_COPY;
en.extraPoints = 0;
en.timesApplied = 0;
en.group.v = 472;
en.actNormal = normal;
en.construction = false;
en.style.v = Style::NORMALS;
// to be visible we need to add a point.
// en.point[0] = newPoint(el, id, Vector::From(0,0,0));
en.point[0] = p;
en.actVisible = true;
en.forceHidden = false;
*id = *id+1;
en.h.v = *id + en.group.v*65536;
el->Add(&en);
return en.h;
}
static hEntity newLine(EntityList *el, int *id, hEntity p0, hEntity p1) {
Entity en = {};
en.type = Entity::Type::LINE_SEGMENT;
en.point[0] = p0;
@ -85,7 +108,8 @@ static hEntity newLine(EntityList *el, int id, hEntity p0, hEntity p1) {
en.actVisible = true;
en.forceHidden = false;
en.h.v = id + en.group.v*65536;
en.h.v = *id + en.group.v*65536;
*id = *id + 1;
el->Add(&en);
return en.h;
}
@ -115,9 +139,6 @@ bool LinkStl(const Platform::Path &filename, EntityList *el, SMesh *m, SShell *s
float x,y,z;
float xn,yn,zn;
//add the STL origin as an entity
addVertex(el, Vector::From(0.0, 0.0, 0.0));
std::vector<vertex> verts = {};
for(uint32_t i = 0; i<n; i++) {
@ -173,6 +194,14 @@ bool LinkStl(const Platform::Path &filename, EntityList *el, SMesh *m, SShell *s
}
dbp("%d vertices", verts.size());
int id = 1;
//add the STL origin and normals
hEntity origin = newPoint(el, &id, Vector::From(0.0, 0.0, 0.0));
newNormal(el, &id, Quaternion::From(Vector::From(1,0,0),Vector::From(0,1,0)), origin);
newNormal(el, &id, Quaternion::From(Vector::From(0,1,0),Vector::From(0,0,1)), origin);
newNormal(el, &id, Quaternion::From(Vector::From(0,0,1),Vector::From(1,0,0)), origin);
BBox box = {};
box.minp = verts[0].p;
box.maxp = verts[0].p;
@ -183,35 +212,34 @@ bool LinkStl(const Platform::Path &filename, EntityList *el, SMesh *m, SShell *s
}
hEntity p[8];
int id = el->n+2;
p[0] = newPoint(el, id++, Vector::From(box.minp.x, box.minp.y, box.minp.z));
p[1] = newPoint(el, id++, Vector::From(box.maxp.x, box.minp.y, box.minp.z));
p[2] = newPoint(el, id++, Vector::From(box.minp.x, box.maxp.y, box.minp.z));
p[3] = newPoint(el, id++, Vector::From(box.maxp.x, box.maxp.y, box.minp.z));
p[4] = newPoint(el, id++, Vector::From(box.minp.x, box.minp.y, box.maxp.z));
p[5] = newPoint(el, id++, Vector::From(box.maxp.x, box.minp.y, box.maxp.z));
p[6] = newPoint(el, id++, Vector::From(box.minp.x, box.maxp.y, box.maxp.z));
p[7] = newPoint(el, id++, Vector::From(box.maxp.x, box.maxp.y, box.maxp.z));
p[0] = newPoint(el, &id, Vector::From(box.minp.x, box.minp.y, box.minp.z));
p[1] = newPoint(el, &id, Vector::From(box.maxp.x, box.minp.y, box.minp.z));
p[2] = newPoint(el, &id, Vector::From(box.minp.x, box.maxp.y, box.minp.z));
p[3] = newPoint(el, &id, Vector::From(box.maxp.x, box.maxp.y, box.minp.z));
p[4] = newPoint(el, &id, Vector::From(box.minp.x, box.minp.y, box.maxp.z));
p[5] = newPoint(el, &id, Vector::From(box.maxp.x, box.minp.y, box.maxp.z));
p[6] = newPoint(el, &id, Vector::From(box.minp.x, box.maxp.y, box.maxp.z));
p[7] = newPoint(el, &id, Vector::From(box.maxp.x, box.maxp.y, box.maxp.z));
newLine(el, id++, p[0], p[1]);
newLine(el, id++, p[0], p[2]);
newLine(el, id++, p[3], p[1]);
newLine(el, id++, p[3], p[2]);
newLine(el, &id, p[0], p[1]);
newLine(el, &id, p[0], p[2]);
newLine(el, &id, p[3], p[1]);
newLine(el, &id, p[3], p[2]);
newLine(el, id++, p[4], p[5]);
newLine(el, id++, p[4], p[6]);
newLine(el, id++, p[7], p[5]);
newLine(el, id++, p[7], p[6]);
newLine(el, &id, p[4], p[5]);
newLine(el, &id, p[4], p[6]);
newLine(el, &id, p[7], p[5]);
newLine(el, &id, p[7], p[6]);
newLine(el, id++, p[0], p[4]);
newLine(el, id++, p[1], p[5]);
newLine(el, id++, p[2], p[6]);
newLine(el, id++, p[3], p[7]);
newLine(el, &id, p[0], p[4]);
newLine(el, &id, p[1], p[5]);
newLine(el, &id, p[2], p[6]);
newLine(el, &id, p[3], p[7]);
for(unsigned int i=0; i<verts.size(); i++) {
// create point entities for edge vertexes
if(isEdgeVertex(verts[i])) {
addVertex(el, verts[i].p);
addVertex(el, verts[i].p);
}
}