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//-----------------------------------------------------------------------------
// A library wrapper around SolveSpace, to permit someone to use its constraint
// solver without coupling their program too much to SolveSpace's internals.
//
// Copyright 2008-2013 Jonathan Westhues.
//-----------------------------------------------------------------------------
#include "solvespace.h"
#include <slvs.h>
#include <string>
Sketch SolveSpace::SK = {};
static System SYS;
void SolveSpace::Platform::FatalError(const std::string &message) {
fprintf(stderr, "%s", message.c_str());
abort();
}
void Group::GenerateEquations(IdList<Equation,hEquation> *) {
// Nothing to do for now.
}
extern "C" {
ConstraintBase::Type Slvs_CTypeToConstraintBaseType(int type) {
switch(type) {
case SLVS_C_POINTS_COINCIDENT: return ConstraintBase::Type::POINTS_COINCIDENT;
case SLVS_C_PT_PT_DISTANCE: return ConstraintBase::Type::PT_PT_DISTANCE;
case SLVS_C_PT_PLANE_DISTANCE: return ConstraintBase::Type::PT_PLANE_DISTANCE;
case SLVS_C_PT_LINE_DISTANCE: return ConstraintBase::Type::PT_LINE_DISTANCE;
case SLVS_C_PT_FACE_DISTANCE: return ConstraintBase::Type::PT_FACE_DISTANCE;
case SLVS_C_PT_IN_PLANE: return ConstraintBase::Type::PT_IN_PLANE;
case SLVS_C_PT_ON_LINE: return ConstraintBase::Type::PT_ON_LINE;
case SLVS_C_PT_ON_FACE: return ConstraintBase::Type::PT_ON_FACE;
case SLVS_C_EQUAL_LENGTH_LINES: return ConstraintBase::Type::EQUAL_LENGTH_LINES;
case SLVS_C_LENGTH_RATIO: return ConstraintBase::Type::LENGTH_RATIO;
case SLVS_C_ARC_ARC_LEN_RATIO: return ConstraintBase::Type::ARC_ARC_LEN_RATIO;
case SLVS_C_ARC_LINE_LEN_RATIO: return ConstraintBase::Type::ARC_LINE_LEN_RATIO;
case SLVS_C_EQ_LEN_PT_LINE_D: return ConstraintBase::Type::EQ_LEN_PT_LINE_D;
case SLVS_C_EQ_PT_LN_DISTANCES: return ConstraintBase::Type::EQ_PT_LN_DISTANCES;
case SLVS_C_EQUAL_ANGLE: return ConstraintBase::Type::EQUAL_ANGLE;
case SLVS_C_EQUAL_LINE_ARC_LEN: return ConstraintBase::Type::EQUAL_LINE_ARC_LEN;
case SLVS_C_LENGTH_DIFFERENCE: return ConstraintBase::Type::LENGTH_DIFFERENCE;
case SLVS_C_ARC_ARC_DIFFERENCE: return ConstraintBase::Type::ARC_ARC_DIFFERENCE;
case SLVS_C_ARC_LINE_DIFFERENCE: return ConstraintBase::Type::ARC_LINE_DIFFERENCE;
case SLVS_C_SYMMETRIC: return ConstraintBase::Type::SYMMETRIC;
case SLVS_C_SYMMETRIC_HORIZ: return ConstraintBase::Type::SYMMETRIC_HORIZ;
case SLVS_C_SYMMETRIC_VERT: return ConstraintBase::Type::SYMMETRIC_VERT;
case SLVS_C_SYMMETRIC_LINE: return ConstraintBase::Type::SYMMETRIC_LINE;
case SLVS_C_AT_MIDPOINT: return ConstraintBase::Type::AT_MIDPOINT;
case SLVS_C_HORIZONTAL: return ConstraintBase::Type::HORIZONTAL;
case SLVS_C_VERTICAL: return ConstraintBase::Type::VERTICAL;
case SLVS_C_DIAMETER: return ConstraintBase::Type::DIAMETER;
case SLVS_C_PT_ON_CIRCLE: return ConstraintBase::Type::PT_ON_CIRCLE;
case SLVS_C_SAME_ORIENTATION: return ConstraintBase::Type::SAME_ORIENTATION;
case SLVS_C_ANGLE: return ConstraintBase::Type::ANGLE;
case SLVS_C_PARALLEL: return ConstraintBase::Type::PARALLEL;
case SLVS_C_PERPENDICULAR: return ConstraintBase::Type::PERPENDICULAR;
case SLVS_C_ARC_LINE_TANGENT: return ConstraintBase::Type::ARC_LINE_TANGENT;
case SLVS_C_CUBIC_LINE_TANGENT: return ConstraintBase::Type::CUBIC_LINE_TANGENT;
case SLVS_C_EQUAL_RADIUS: return ConstraintBase::Type::EQUAL_RADIUS;
case SLVS_C_PROJ_PT_DISTANCE: return ConstraintBase::Type::PROJ_PT_DISTANCE;
case SLVS_C_WHERE_DRAGGED: return ConstraintBase::Type::WHERE_DRAGGED;
case SLVS_C_CURVE_CURVE_TANGENT: return ConstraintBase::Type::CURVE_CURVE_TANGENT;
default: SolveSpace::Platform::FatalError("bad constraint type " + std::to_string(type));
}
}
EntityBase::Type Slvs_CTypeToEntityBaseType(int type) {
switch(type) {
case SLVS_E_POINT_IN_3D: return EntityBase::Type::POINT_IN_3D;
case SLVS_E_POINT_IN_2D: return EntityBase::Type::POINT_IN_2D;
case SLVS_E_NORMAL_IN_3D: return EntityBase::Type::NORMAL_IN_3D;
case SLVS_E_NORMAL_IN_2D: return EntityBase::Type::NORMAL_IN_2D;
case SLVS_E_DISTANCE: return EntityBase::Type::DISTANCE;
case SLVS_E_WORKPLANE: return EntityBase::Type::WORKPLANE;
case SLVS_E_LINE_SEGMENT: return EntityBase::Type::LINE_SEGMENT;
case SLVS_E_CUBIC: return EntityBase::Type::CUBIC;
case SLVS_E_CIRCLE: return EntityBase::Type::CIRCLE;
case SLVS_E_ARC_OF_CIRCLE: return EntityBase::Type::ARC_OF_CIRCLE;
default: SolveSpace::Platform::FatalError("bad entity type " + std::to_string(type));
}
}
bool Slvs_IsFreeIn3D(Slvs_Entity e) {
return e.h == SLVS_FREE_IN_3D;
}
bool Slvs_Is3D(Slvs_Entity e) {
return e.wrkpl == SLVS_FREE_IN_3D;
}
bool Slvs_IsNone(Slvs_Entity e) {
return e.h == 0;
}
bool Slvs_IsPoint2D(Slvs_Entity e) {
return e.type == SLVS_E_POINT_IN_2D;
}
bool Slvs_IsPoint3D(Slvs_Entity e) {
return e.type == SLVS_E_POINT_IN_3D;
}
bool Slvs_IsNormal2D(Slvs_Entity e) {
return e.type == SLVS_E_NORMAL_IN_2D;
}
bool Slvs_IsNormal3D(Slvs_Entity e) {
return e.type == SLVS_E_NORMAL_IN_3D;
}
bool Slvs_IsLine(Slvs_Entity e) {
return e.type == SLVS_E_LINE_SEGMENT;
}
bool Slvs_IsLine2D(Slvs_Entity e) {
return e.type == SLVS_E_LINE_SEGMENT && !Slvs_Is3D(e);
}
bool Slvs_IsLine3D(Slvs_Entity e) {
return e.type == SLVS_E_LINE_SEGMENT && Slvs_Is3D(e);
}
bool Slvs_IsCubic(Slvs_Entity e) {
return e.type == SLVS_E_CUBIC;
}
bool Slvs_IsArc(Slvs_Entity e) {
return e.type == SLVS_E_ARC_OF_CIRCLE;
}
bool Slvs_IsWorkplane(Slvs_Entity e) {
return e.type == SLVS_E_WORKPLANE;
}
bool Slvs_IsDistance(Slvs_Entity e) {
return e.type == SLVS_E_DISTANCE;
}
bool Slvs_IsPoint(Slvs_Entity e) {
switch(e.type) {
case SLVS_E_POINT_IN_3D:
case SLVS_E_POINT_IN_2D:
return true;
default:
return false;
}
}
bool Slvs_IsCircle(Slvs_Entity e) {
return e.type == SLVS_E_CIRCLE || e.type == SLVS_E_ARC_OF_CIRCLE;
}
Slvs_hParam Slvs_AddParam(double val) {
Param pa = {};
pa.val = val;
SK.param.AddAndAssignId(&pa);
return pa.h.v;
}
// entities
Slvs_Entity Slvs_AddPoint2D(uint32_t grouph, double u, double v, Slvs_Entity workplane) {
Slvs_hParam uph = Slvs_AddParam(u);
Slvs_hParam vph = Slvs_AddParam(v);
EntityBase e = {};
e.type = EntityBase::Type::POINT_IN_2D;
e.group.v = grouph;
e.workplane.v = workplane.h;
e.param[0].v = uph;
e.param[1].v = vph;
SK.entity.AddAndAssignId(&e);
Slvs_Entity ce = Slvs_Entity {};
ce.h = e.h.v;
ce.type = SLVS_E_POINT_IN_2D;
ce.group = grouph;
ce.wrkpl = workplane.h;
ce.param[0] = uph;
ce.param[1] = vph;
return ce;
}
Slvs_Entity Slvs_AddPoint3D(uint32_t grouph, double x, double y, double z) {
Slvs_hParam xph = Slvs_AddParam(x);
Slvs_hParam yph = Slvs_AddParam(y);
Slvs_hParam zph = Slvs_AddParam(z);
EntityBase e = {};
e.type = EntityBase::Type::POINT_IN_3D;
e.group.v = grouph;
e.workplane.v = EntityBase::FREE_IN_3D.v;
e.param[0].v = xph;
e.param[1].v = yph;
e.param[2].v = zph;
SK.entity.AddAndAssignId(&e);
Slvs_Entity ce = Slvs_Entity {};
ce.h = e.h.v;
ce.type = SLVS_E_POINT_IN_3D;
ce.group = grouph;
ce.wrkpl = SLVS_FREE_IN_3D;
ce.param[0] = xph;
ce.param[1] = yph;
ce.param[2] = zph;
return ce;
}
Slvs_Entity Slvs_AddNormal2D(uint32_t grouph, Slvs_Entity workplane) {
if(!Slvs_IsWorkplane(workplane)) {
SolveSpace::Platform::FatalError("workplane argument is not a workplane");
}
EntityBase e = {};
e.type = EntityBase::Type::NORMAL_IN_2D;
e.group.v = grouph;
e.workplane.v = workplane.h;
SK.entity.AddAndAssignId(&e);
Slvs_Entity ce = Slvs_Entity {};
ce.h = e.h.v;
ce.type = SLVS_E_NORMAL_IN_2D;
ce.group = grouph;
ce.wrkpl = workplane.h;
return ce;
}
Slvs_Entity Slvs_AddNormal3D(uint32_t grouph, double qw, double qx, double qy, double qz) {
Slvs_hParam wph = Slvs_AddParam(qw);
Slvs_hParam xph = Slvs_AddParam(qx);
Slvs_hParam yph = Slvs_AddParam(qy);
Slvs_hParam zph = Slvs_AddParam(qz);
EntityBase e = {};
e.type = EntityBase::Type::NORMAL_IN_3D;
e.group.v = grouph;
e.workplane.v = EntityBase::FREE_IN_3D.v;
e.param[0].v = wph;
e.param[1].v = xph;
e.param[2].v = yph;
e.param[3].v = zph;
SK.entity.AddAndAssignId(&e);
Slvs_Entity ce = Slvs_Entity {};
ce.h = e.h.v;
ce.type = SLVS_E_NORMAL_IN_3D;
ce.group = grouph;
ce.wrkpl = SLVS_FREE_IN_3D;
ce.param[0] = wph;
ce.param[1] = xph;
ce.param[2] = yph;
ce.param[3] = zph;
return ce;
}
Slvs_Entity Slvs_AddDistance(uint32_t grouph, double value, Slvs_Entity workplane) {
if(!Slvs_IsWorkplane(workplane)) {
SolveSpace::Platform::FatalError("workplane argument is not a workplane");
}
Slvs_hParam valueph = Slvs_AddParam(value);
EntityBase e = {};
e.type = EntityBase::Type::DISTANCE;
e.group.v = grouph;
e.workplane.v = workplane.h;
e.param[0].v = valueph;
SK.entity.AddAndAssignId(&e);
Slvs_Entity ce = Slvs_Entity {};
ce.h = e.h.v;
ce.type = SLVS_E_DISTANCE;
ce.group = grouph;
ce.wrkpl = workplane.h;
ce.param[0] = valueph;
return ce;
}
Slvs_Entity Slvs_AddLine2D(uint32_t grouph, Slvs_Entity ptA, Slvs_Entity ptB, Slvs_Entity workplane) {
if(!Slvs_IsWorkplane(workplane)) {
SolveSpace::Platform::FatalError("workplane argument is not a workplane");
} else if(!Slvs_IsPoint2D(ptA)) {
SolveSpace::Platform::FatalError("ptA argument is not a 2d point");
} else if(!Slvs_IsPoint2D(ptB)) {
SolveSpace::Platform::FatalError("ptB argument is not a 2d point");
}
EntityBase e = {};
e.type = EntityBase::Type::LINE_SEGMENT;
e.group.v = grouph;
e.workplane.v = workplane.h;
e.point[0].v = ptA.h;
e.point[1].v = ptB.h;
SK.entity.AddAndAssignId(&e);
Slvs_Entity ce = Slvs_Entity {};
ce.h = e.h.v;
ce.type = SLVS_E_LINE_SEGMENT;
ce.group = grouph;
ce.wrkpl = workplane.h;
ce.point[0] = ptA.h;
ce.point[1] = ptB.h;
return ce;
}
Slvs_Entity Slvs_AddLine3D(uint32_t grouph, Slvs_Entity ptA, Slvs_Entity ptB) {
if(!Slvs_IsPoint3D(ptA)) {
SolveSpace::Platform::FatalError("ptA argument is not a 3d point");
} else if(!Slvs_IsPoint3D(ptB)) {
SolveSpace::Platform::FatalError("ptB argument is not a 3d point");
}
EntityBase e = {};
e.type = EntityBase::Type::LINE_SEGMENT;
e.group.v = grouph;
e.workplane.v = EntityBase::FREE_IN_3D.v;
e.point[0].v = ptA.h;
e.point[1].v = ptB.h;
SK.entity.AddAndAssignId(&e);
Slvs_Entity ce = Slvs_Entity {};
ce.h = e.h.v;
ce.type = SLVS_E_LINE_SEGMENT;
ce.group = grouph;
ce.wrkpl = SLVS_FREE_IN_3D;
ce.point[0] = ptA.h;
ce.point[1] = ptB.h;
return ce;
}
Slvs_Entity Slvs_AddCubic(uint32_t grouph, Slvs_Entity ptA, Slvs_Entity ptB, Slvs_Entity ptC, Slvs_Entity ptD, Slvs_Entity workplane) {
if(!Slvs_IsWorkplane(workplane)) {
SolveSpace::Platform::FatalError("workplane argument is not a workplane");
} else if(!Slvs_IsPoint2D(ptA)) {
SolveSpace::Platform::FatalError("ptA argument is not a 2d point");
} else if(!Slvs_IsPoint2D(ptB)) {
SolveSpace::Platform::FatalError("ptB argument is not a 2d point");
} else if(!Slvs_IsPoint2D(ptC)) {
SolveSpace::Platform::FatalError("ptC argument is not a 2d point");
} else if(!Slvs_IsPoint2D(ptD)) {
SolveSpace::Platform::FatalError("ptD argument is not a 2d point");
}
EntityBase e = {};
e.type = EntityBase::Type::CUBIC;
e.group.v = grouph;
e.workplane.v = workplane.h;
e.point[0].v = ptA.h;
e.point[1].v = ptB.h;
e.point[2].v = ptC.h;
e.point[3].v = ptD.h;
SK.entity.AddAndAssignId(&e);
Slvs_Entity ce = Slvs_Entity {};
ce.h = e.h.v;
ce.type = SLVS_E_CUBIC;
ce.group = grouph;
ce.wrkpl = workplane.h;
ce.point[0] = ptA.h;
ce.point[1] = ptB.h;
ce.point[2] = ptC.h;
ce.point[3] = ptD.h;
return ce;
}
Slvs_Entity Slvs_AddArc(uint32_t grouph, Slvs_Entity normal, Slvs_Entity center, Slvs_Entity start, Slvs_Entity end,
Slvs_Entity workplane) {
if(!Slvs_IsWorkplane(workplane)) {
SolveSpace::Platform::FatalError("workplane argument is not a workplane");
} else if(!Slvs_IsNormal3D(normal)) {
SolveSpace::Platform::FatalError("normal argument is not a 3d normal");
} else if(!Slvs_IsPoint2D(center)) {
SolveSpace::Platform::FatalError("center argument is not a 2d point");
} else if(!Slvs_IsPoint2D(start)) {
SolveSpace::Platform::FatalError("start argument is not a 2d point");
} else if(!Slvs_IsPoint2D(end)) {
SolveSpace::Platform::FatalError("end argument is not a 2d point");
}
EntityBase e = {};
e.type = EntityBase::Type::ARC_OF_CIRCLE;
e.group.v = grouph;
e.workplane.v = workplane.h;
e.normal.v = normal.h;
e.point[0].v = center.h;
e.point[1].v = start.h;
e.point[2].v = end.h;
SK.entity.AddAndAssignId(&e);
Slvs_Entity ce = Slvs_Entity {};
ce.h = e.h.v;
ce.type = SLVS_E_ARC_OF_CIRCLE;
ce.group = grouph;
ce.wrkpl = workplane.h;
ce.normal = normal.h;
ce.point[0] = center.h;
ce.point[1] = start.h;
ce.point[2] = end.h;
return ce;
}
Slvs_Entity Slvs_AddCircle(uint32_t grouph, Slvs_Entity normal, Slvs_Entity center, Slvs_Entity radius,
Slvs_Entity workplane) {
if(!Slvs_IsWorkplane(workplane)) {
SolveSpace::Platform::FatalError("workplane argument is not a workplane");
} else if(!Slvs_IsNormal3D(normal)) {
SolveSpace::Platform::FatalError("normal argument is not a 3d normal");
} else if(!Slvs_IsPoint2D(center)) {
SolveSpace::Platform::FatalError("center argument is not a 2d point");
} else if(!Slvs_IsDistance(radius)) {
SolveSpace::Platform::FatalError("radius argument is not a distance");
}
EntityBase e = {};
e.type = EntityBase::Type::CIRCLE;
e.group.v = grouph;
e.workplane.v = workplane.h;
e.normal.v = normal.h;
e.point[0].v = center.h;
e.distance.v = radius.h;
SK.entity.AddAndAssignId(&e);
Slvs_Entity ce = Slvs_Entity {};
ce.h = e.h.v;
ce.type = SLVS_E_CIRCLE;
ce.group = grouph;
ce.wrkpl = workplane.h;
ce.normal = normal.h;
ce.point[0] = center.h;
ce.distance = radius.h;
return ce;
}
Slvs_Entity Slvs_AddWorkplane(uint32_t grouph, Slvs_Entity origin, Slvs_Entity nm) {
EntityBase e = {};
e.type = EntityBase::Type::WORKPLANE;
e.group.v = grouph;
e.workplane.v = SLVS_FREE_IN_3D;
e.point[0].v = origin.h;
e.normal.v = nm.h;
SK.entity.AddAndAssignId(&e);
Slvs_Entity ce = Slvs_Entity {};
ce.h = e.h.v;
ce.type = SLVS_E_WORKPLANE;
ce.group = grouph;
ce.wrkpl = SLVS_FREE_IN_3D;
ce.point[0] = origin.h;
ce.normal = nm.h;
return ce;
}
Slvs_Entity Slvs_AddBase2D(uint32_t grouph) {
Vector u = Vector::From(1, 0, 0);
Vector v = Vector::From(0, 1, 0);
Quaternion q = Quaternion::From(u, v);
Slvs_Entity nm = Slvs_AddNormal3D(grouph, q.w, q.vx, q.vy, q.vz);
return Slvs_AddWorkplane(grouph, Slvs_AddPoint3D(grouph, 0, 0, 0), nm);
}
// constraints
Slvs_Constraint Slvs_AddConstraint(uint32_t grouph,
int type, Slvs_Entity workplane, double val, Slvs_Entity ptA,
Slvs_Entity ptB = SLVS_E_NONE, Slvs_Entity entityA = SLVS_E_NONE,
Slvs_Entity entityB = SLVS_E_NONE, Slvs_Entity entityC = SLVS_E_NONE,
Slvs_Entity entityD = SLVS_E_NONE, int other = 0, int other2 = 0) {
ConstraintBase c = {};
c.type = Slvs_CTypeToConstraintBaseType(type);
c.group.v = grouph;
c.workplane.v = workplane.h;
c.valA = val;
c.ptA.v = ptA.h;
c.ptB.v = ptB.h;
c.entityA.v = entityA.h;
c.entityB.v = entityB.h;
c.entityC.v = entityC.h;
c.entityD.v = entityD.h;
c.other = other ? true : false;
c.other2 = other2 ? true : false;
SK.constraint.AddAndAssignId(&c);
Slvs_Constraint cc = Slvs_Constraint {};
cc.h = c.h.v;
cc.type = type;
cc.group = grouph;
cc.wrkpl = workplane.h;
cc.valA = val;
cc.ptA = ptA.h;
cc.ptB = ptB.h;
cc.entityA = entityA.h;
cc.entityB = entityB.h;
cc.entityC = entityC.h;
cc.entityD = entityD.h;
cc.other = other ? true : false;
cc.other2 = other2 ? true : false;
return cc;
}
Slvs_Constraint Slvs_Coincident(uint32_t grouph, Slvs_Entity entityA, Slvs_Entity entityB, Slvs_Entity workplane = SLVS_E_FREE_IN_3D) {
if(Slvs_IsPoint(entityA) && Slvs_IsPoint(entityB)) {
return Slvs_AddConstraint(grouph, SLVS_C_POINTS_COINCIDENT, workplane, 0., entityA, entityB);
} else if(Slvs_IsPoint(entityA) && Slvs_IsWorkplane(entityB)) {
return Slvs_AddConstraint(grouph, SLVS_C_PT_IN_PLANE, SLVS_E_FREE_IN_3D, 0., entityA, SLVS_E_NONE, entityB);
} else if(Slvs_IsPoint(entityA) && Slvs_IsLine(entityB)) {
return Slvs_AddConstraint(grouph, SLVS_C_PT_ON_LINE, workplane, 0., entityA, SLVS_E_NONE, entityB);
} else if(Slvs_IsPoint(entityA) && (Slvs_IsCircle(entityB) || Slvs_IsArc(entityB))) {
return Slvs_AddConstraint(grouph, SLVS_C_PT_ON_CIRCLE, workplane, 0., entityA, SLVS_E_NONE, entityB);
}
SolveSpace::Platform::FatalError("Invalid arguments for coincident constraint");
}
Slvs_Constraint Slvs_Distance(uint32_t grouph, Slvs_Entity entityA, Slvs_Entity entityB, double value, Slvs_Entity workplane) {
if(Slvs_IsPoint(entityA) && Slvs_IsPoint(entityB)) {
return Slvs_AddConstraint(grouph, SLVS_C_PT_PT_DISTANCE, workplane, value, entityA, entityB);
} else if(Slvs_IsPoint(entityA) && Slvs_IsWorkplane(entityB) && Slvs_Is3D(workplane)) {
return Slvs_AddConstraint(grouph, SLVS_C_PT_PLANE_DISTANCE, entityB, value, entityA, SLVS_E_NONE, entityB);
} else if(Slvs_IsPoint(entityA) && Slvs_IsLine(entityB)) {
return Slvs_AddConstraint(grouph, SLVS_C_PT_LINE_DISTANCE, workplane, value, entityA, SLVS_E_NONE, entityB);
}
SolveSpace::Platform::FatalError("Invalid arguments for distance constraint");
}
Slvs_Constraint Slvs_Equal(uint32_t grouph, Slvs_Entity entityA, Slvs_Entity entityB, Slvs_Entity workplane = SLVS_E_FREE_IN_3D) {
if(Slvs_IsLine(entityA) && Slvs_IsLine(entityB)) {
return Slvs_AddConstraint(grouph, SLVS_C_EQUAL_LENGTH_LINES, workplane, 0., SLVS_E_NONE, SLVS_E_NONE, entityA, entityB);
} else if(Slvs_IsLine(entityA) && (Slvs_IsArc(entityB) || Slvs_IsCircle(entityB))) {
return Slvs_AddConstraint(grouph, SLVS_C_EQUAL_LINE_ARC_LEN, workplane, 0., SLVS_E_NONE, SLVS_E_NONE, entityA, entityB);
} else if((Slvs_IsArc(entityA) || Slvs_IsCircle(entityA)) && (Slvs_IsArc(entityB) || Slvs_IsCircle(entityB))) {
return Slvs_AddConstraint(grouph, SLVS_C_EQUAL_RADIUS, workplane, 0., SLVS_E_NONE, SLVS_E_NONE, entityA, entityB);
}
SolveSpace::Platform::FatalError("Invalid arguments for equal constraint");
}
Slvs_Constraint Slvs_EqualAngle(uint32_t grouph, Slvs_Entity entityA, Slvs_Entity entityB, Slvs_Entity entityC, Slvs_Entity entityD, Slvs_Entity workplane = SLVS_E_FREE_IN_3D) {
if(Slvs_IsLine2D(entityA) && Slvs_IsLine2D(entityB) && Slvs_IsLine2D(entityC) && Slvs_IsLine2D(entityD) && (Slvs_IsWorkplane(workplane) || Slvs_IsFreeIn3D(workplane))) {
return Slvs_AddConstraint(grouph, SLVS_C_EQUAL_ANGLE, workplane, 0., SLVS_E_NONE, SLVS_E_NONE, entityA, entityB, entityC, entityD);
}
SolveSpace::Platform::FatalError("Invalid arguments for equal angle constraint");
}
Slvs_Constraint Slvs_EqualPointToLine(uint32_t grouph, Slvs_Entity entityA, Slvs_Entity entityB, Slvs_Entity entityC, Slvs_Entity entityD, Slvs_Entity workplane = SLVS_E_FREE_IN_3D) {
if(Slvs_IsPoint2D(entityA) && Slvs_IsLine2D(entityB) && Slvs_IsPoint2D(entityC) && Slvs_IsLine2D(entityD) && (Slvs_IsWorkplane(workplane) || Slvs_IsFreeIn3D(workplane))) {
return Slvs_AddConstraint(grouph, SLVS_C_EQ_PT_LN_DISTANCES, workplane, 0., entityA, entityB, entityC, entityD);
}
SolveSpace::Platform::FatalError("Invalid arguments for equal point to line constraint");
}
Slvs_Constraint Slvs_Ratio(uint32_t grouph, Slvs_Entity entityA, Slvs_Entity entityB, double value, Slvs_Entity workplane = SLVS_E_FREE_IN_3D) {
if(Slvs_IsLine2D(entityA) && Slvs_IsLine2D(entityB) && (Slvs_IsWorkplane(workplane) || Slvs_IsFreeIn3D(workplane))) {
return Slvs_AddConstraint(grouph, SLVS_C_LENGTH_RATIO, workplane, value, SLVS_E_NONE, SLVS_E_NONE, entityA, entityB);
}
SolveSpace::Platform::FatalError("Invalid arguments for ratio constraint");
}
Slvs_Constraint Slvs_Symmetric(uint32_t grouph, Slvs_Entity entityA, Slvs_Entity entityB, Slvs_Entity entityC = SLVS_E_NONE, Slvs_Entity workplane = SLVS_E_FREE_IN_3D) {
if(Slvs_IsPoint3D(entityA) && Slvs_IsPoint3D(entityB) && Slvs_IsWorkplane(entityC) && Slvs_IsFreeIn3D(workplane)) {
return Slvs_AddConstraint(grouph, SLVS_C_SYMMETRIC, workplane, 0., entityA, entityB, entityC);
} else if(Slvs_IsPoint2D(entityA) && Slvs_IsPoint2D(entityB) && Slvs_IsWorkplane(entityC) && Slvs_IsFreeIn3D(workplane)) {
return Slvs_AddConstraint(grouph, SLVS_C_SYMMETRIC, entityC, 0., entityA, entityB, entityC);
} else if(Slvs_IsPoint2D(entityA) && Slvs_IsPoint2D(entityB) && Slvs_IsLine(entityC)) {
if(Slvs_IsFreeIn3D(workplane)) {
SolveSpace::Platform::FatalError("3d workplane given for a 2d constraint");
}
return Slvs_AddConstraint(grouph, SLVS_C_SYMMETRIC_LINE, workplane, 0., entityA, entityB, entityC);
}
SolveSpace::Platform::FatalError("Invalid arguments for symmetric constraint");
}
Slvs_Constraint Slvs_SymmetricH(uint32_t grouph, Slvs_Entity ptA, Slvs_Entity ptB, Slvs_Entity workplane) {
if(Slvs_IsFreeIn3D(workplane)) {
SolveSpace::Platform::FatalError("3d workplane given for a 2d constraint");
} else if(Slvs_IsPoint2D(ptA) && Slvs_IsPoint2D(ptB)) {
return Slvs_AddConstraint(grouph, SLVS_C_SYMMETRIC_HORIZ, workplane, 0., ptA, ptB);
}
SolveSpace::Platform::FatalError("Invalid arguments for symmetric horizontal constraint");
}
Slvs_Constraint Slvs_SymmetricV(uint32_t grouph, Slvs_Entity ptA, Slvs_Entity ptB, Slvs_Entity workplane) {
if(Slvs_IsFreeIn3D(workplane)) {
SolveSpace::Platform::FatalError("3d workplane given for a 2d constraint");
} else if(Slvs_IsPoint2D(ptA) && Slvs_IsPoint2D(ptB)) {
return Slvs_AddConstraint(grouph, SLVS_C_SYMMETRIC_VERT, workplane, 0., ptA, ptB);
}
SolveSpace::Platform::FatalError("Invalid arguments for symmetric vertical constraint");
}
Slvs_Constraint Slvs_Midpoint(uint32_t grouph, Slvs_Entity ptA, Slvs_Entity ptB, Slvs_Entity workplane = SLVS_E_FREE_IN_3D) {
if(Slvs_IsPoint(ptA) && Slvs_IsLine(ptB) && (Slvs_IsWorkplane(workplane) || Slvs_IsFreeIn3D(workplane))) {
return Slvs_AddConstraint(grouph, SLVS_C_AT_MIDPOINT, workplane, 0., ptA, SLVS_E_NONE, ptB);
}
SolveSpace::Platform::FatalError("Invalid arguments for midpoint constraint");
}
Slvs_Constraint Slvs_Horizontal(uint32_t grouph, Slvs_Entity entityA, Slvs_Entity workplane, Slvs_Entity entityB = SLVS_E_NONE) {
if(Slvs_IsFreeIn3D(workplane)) {
SolveSpace::Platform::FatalError("Horizontal constraint is not supported in 3D");
} else if(Slvs_IsLine2D(entityA)) {
return Slvs_AddConstraint(grouph, SLVS_C_HORIZONTAL, workplane, 0., SLVS_E_NONE, SLVS_E_NONE, entityA);
} else if(Slvs_IsPoint2D(entityA) && Slvs_IsPoint2D(entityB)) {
return Slvs_AddConstraint(grouph, SLVS_C_HORIZONTAL, workplane, 0., entityA, entityB);
}
SolveSpace::Platform::FatalError("Invalid arguments for horizontal constraint");
}
Slvs_Constraint Slvs_Vertical(uint32_t grouph, Slvs_Entity entityA, Slvs_Entity workplane, Slvs_Entity entityB = SLVS_E_NONE) {
if(Slvs_IsFreeIn3D(workplane)) {
SolveSpace::Platform::FatalError("Vertical constraint is not supported in 3D");
} else if(Slvs_IsLine2D(entityA)) {
return Slvs_AddConstraint(grouph, SLVS_C_VERTICAL, workplane, 0., SLVS_E_NONE, SLVS_E_NONE, entityA);
} else if(Slvs_IsPoint2D(entityA) && Slvs_IsPoint2D(entityB)) {
return Slvs_AddConstraint(grouph, SLVS_C_VERTICAL, workplane, 0., entityA, entityB);
}
SolveSpace::Platform::FatalError("Invalid arguments for horizontal constraint");
}
Slvs_Constraint Slvs_Diameter(uint32_t grouph, Slvs_Entity entityA, double value) {
if(Slvs_IsArc(entityA) || Slvs_IsCircle(entityA)) {
return Slvs_AddConstraint(grouph, SLVS_C_DIAMETER, SLVS_E_FREE_IN_3D, value, SLVS_E_NONE, SLVS_E_NONE, entityA);
}
SolveSpace::Platform::FatalError("Invalid arguments for diameter constraint");
}
Slvs_Constraint Slvs_SameOrientation(uint32_t grouph, Slvs_Entity entityA, Slvs_Entity entityB) {
if(Slvs_IsNormal3D(entityA) && Slvs_IsNormal3D(entityB)) {
return Slvs_AddConstraint(grouph, SLVS_C_SAME_ORIENTATION, SLVS_E_FREE_IN_3D, 0., SLVS_E_NONE, SLVS_E_NONE, entityA, entityB);
}
SolveSpace::Platform::FatalError("Invalid arguments for same orientation constraint");
}
Slvs_Constraint Slvs_Angle(uint32_t grouph, Slvs_Entity entityA, Slvs_Entity entityB, double value, Slvs_Entity workplane = SLVS_E_FREE_IN_3D, int inverse = 0) {
if(Slvs_IsLine2D(entityA) && Slvs_IsLine2D(entityB) && (Slvs_IsWorkplane(workplane) || Slvs_IsFreeIn3D(workplane))) {
return Slvs_AddConstraint(grouph, SLVS_C_ANGLE, workplane, value, SLVS_E_NONE, SLVS_E_NONE, entityA, entityB, SLVS_E_NONE, SLVS_E_NONE, inverse);
}
SolveSpace::Platform::FatalError("Invalid arguments for angle constraint");
}
Slvs_Constraint Slvs_Perpendicular(uint32_t grouph, Slvs_Entity entityA, Slvs_Entity entityB, Slvs_Entity workplane = SLVS_E_FREE_IN_3D, int inverse = 0) {
if(Slvs_IsLine2D(entityA) && Slvs_IsLine2D(entityB) && (Slvs_IsWorkplane(workplane) || Slvs_IsFreeIn3D(workplane))) {
return Slvs_AddConstraint(grouph, SLVS_C_PERPENDICULAR, workplane, 0., SLVS_E_NONE, SLVS_E_NONE, entityA, entityB, SLVS_E_NONE, SLVS_E_NONE, inverse);
}
SolveSpace::Platform::FatalError("Invalid arguments for perpendicular constraint");
}
Slvs_Constraint Slvs_Parallel(uint32_t grouph, Slvs_Entity entityA, Slvs_Entity entityB, Slvs_Entity workplane = SLVS_E_FREE_IN_3D) {
if(Slvs_IsLine2D(entityA) && Slvs_IsLine2D(entityB) && (Slvs_IsWorkplane(workplane) || Slvs_IsFreeIn3D(workplane))) {
return Slvs_AddConstraint(grouph, SLVS_C_PARALLEL, workplane, 0., SLVS_E_NONE, SLVS_E_NONE, entityA, entityB);
}
SolveSpace::Platform::FatalError("Invalid arguments for parallel constraint");
}
Slvs_Constraint Slvs_Tangent(uint32_t grouph, Slvs_Entity entityA, Slvs_Entity entityB, Slvs_Entity workplane = SLVS_E_FREE_IN_3D) {
if(Slvs_IsArc(entityA) && Slvs_IsLine2D(entityB)) {
if(Slvs_IsFreeIn3D(workplane)) {
SolveSpace::Platform::FatalError("3d workplane given for a 2d constraint");
}
Vector a1 = SK.entity.FindById(hEntity { entityA.point[1] })->PointGetNum(),
a2 = SK.entity.FindById(hEntity { entityA.point[2] })->PointGetNum();
Vector l0 = SK.entity.FindById(hEntity { entityB.point[0] })->PointGetNum(),
l1 = SK.entity.FindById(hEntity { entityB.point[1] })->PointGetNum();
int other;
if(l0.Equals(a1) || l1.Equals(a1)) {
other = 0;
} else if(l0.Equals(a2) || l1.Equals(a2)) {
other = 1;
} else {
SolveSpace::Platform::FatalError("The tangent arc and line segment must share an "
"endpoint. Constrain them with Constrain -> "
"On Point before constraining tangent.");
}
return Slvs_AddConstraint(grouph, SLVS_C_ARC_LINE_TANGENT, workplane, 0., SLVS_E_NONE, SLVS_E_NONE, entityA, entityB, SLVS_E_NONE, SLVS_E_NONE, other);
} else if(Slvs_IsCubic(entityA) && Slvs_IsLine2D(entityB) && Slvs_IsFreeIn3D(workplane)) {
EntityBase* skEntityA = SK.entity.FindById(hEntity { entityA.h });
Vector as = skEntityA->CubicGetStartNum(), af = skEntityA->CubicGetFinishNum();
Vector l0 = SK.entity.FindById(hEntity { entityB.point[0] })->PointGetNum(),
l1 = SK.entity.FindById(hEntity { entityB.point[1] })->PointGetNum();
int other;
if(l0.Equals(as) || l1.Equals(as)) {
other = 0;
} else if(l0.Equals(af) || l1.Equals(af)) {
other = 1;
} else {
SolveSpace::Platform::FatalError("The tangent cubic and line segment must share an "
"endpoint. Constrain them with Constrain -> "
"On Point before constraining tangent.");
}
return Slvs_AddConstraint(grouph, SLVS_C_CUBIC_LINE_TANGENT, workplane, 0., SLVS_E_NONE, SLVS_E_NONE, entityA, entityB, SLVS_E_NONE, SLVS_E_NONE, other);
} else if((Slvs_IsArc(entityA) || Slvs_IsCubic(entityA)) && (Slvs_IsArc(entityB) || Slvs_IsCubic(entityB))) {
if(Slvs_IsFreeIn3D(workplane)) {
SolveSpace::Platform::FatalError("3d workplane given for a 2d constraint");
}
EntityBase* skEntityA = SK.entity.FindById(hEntity { entityA.h });
EntityBase* skEntityB = SK.entity.FindById(hEntity { entityB.h });
Vector as = skEntityA->EndpointStart(), af = skEntityA->EndpointFinish(),
bs = skEntityB->EndpointStart(), bf = skEntityB->EndpointFinish();
int other;
int other2;
if(as.Equals(bs)) {
other = 0;
other2 = 0;
} else if(as.Equals(bf)) {
other = 0;
other2 = 1;
} else if(af.Equals(bs)) {
other = 1;
other2 = 0;
} else if(af.Equals(bf)) {
other = 1;
other2 = 1;
} else {
SolveSpace::Platform::FatalError("The curves must share an endpoint. Constrain them "
"with Constrain -> On Point before constraining "
"tangent.");
}
return Slvs_AddConstraint(grouph, SLVS_C_CURVE_CURVE_TANGENT, workplane, 0., SLVS_E_NONE, SLVS_E_NONE, entityA, entityB, SLVS_E_NONE, SLVS_E_NONE, other, other2);
}
SolveSpace::Platform::FatalError("Invalid arguments for tangent constraint");
}
Slvs_Constraint Slvs_DistanceProj(uint32_t grouph, Slvs_Entity ptA, Slvs_Entity ptB, double value) {
if(Slvs_IsPoint(ptA) && Slvs_IsPoint(ptB)) {
return Slvs_AddConstraint(grouph, SLVS_C_PROJ_PT_DISTANCE, SLVS_E_FREE_IN_3D, value, ptA, ptB);
}
SolveSpace::Platform::FatalError("Invalid arguments for projected distance constraint");
}
Slvs_Constraint Slvs_LengthDiff(uint32_t grouph, Slvs_Entity entityA, Slvs_Entity entityB, double value, Slvs_Entity workplane = SLVS_E_FREE_IN_3D) {
if(Slvs_IsLine(entityA) && Slvs_IsLine(entityB) && (Slvs_IsWorkplane(workplane) || Slvs_IsFreeIn3D(workplane))) {
return Slvs_AddConstraint(grouph, SLVS_C_LENGTH_DIFFERENCE, workplane, value, SLVS_E_NONE, SLVS_E_NONE, entityA, entityB);
}
SolveSpace::Platform::FatalError("Invalid arguments for length difference constraint");
}
Slvs_Constraint Slvs_Dragged(uint32_t grouph, Slvs_Entity ptA, Slvs_Entity workplane = SLVS_E_FREE_IN_3D) {
if(Slvs_IsPoint(ptA) && (Slvs_IsWorkplane(workplane) || Slvs_IsFreeIn3D(workplane))) {
return Slvs_AddConstraint(grouph, SLVS_C_WHERE_DRAGGED, workplane, 0., ptA);
}
SolveSpace::Platform::FatalError("Invalid arguments for dragged constraint");
}
void Slvs_QuaternionU(double qw, double qx, double qy, double qz,
double *x, double *y, double *z)
{
Quaternion q = Quaternion::From(qw, qx, qy, qz);
Vector v = q.RotationU();
*x = v.x;
*y = v.y;
*z = v.z;
}
void Slvs_QuaternionV(double qw, double qx, double qy, double qz,
double *x, double *y, double *z)
{
Quaternion q = Quaternion::From(qw, qx, qy, qz);
Vector v = q.RotationV();
*x = v.x;
*y = v.y;
*z = v.z;
}
void Slvs_QuaternionN(double qw, double qx, double qy, double qz,
double *x, double *y, double *z)
{
Quaternion q = Quaternion::From(qw, qx, qy, qz);
Vector v = q.RotationN();
*x = v.x;
*y = v.y;
*z = v.z;
}
void Slvs_MakeQuaternion(double ux, double uy, double uz,
double vx, double vy, double vz,
double *qw, double *qx, double *qy, double *qz)
{
Vector u = Vector::From(ux, uy, uz),
v = Vector::From(vx, vy, vz);
Quaternion q = Quaternion::From(u, v);
*qw = q.w;
*qx = q.vx;
*qy = q.vy;
*qz = q.vz;
}
void Slvs_ClearSketch()
{
SYS.Clear();
SK.param.Clear();
SK.entity.Clear();
SK.constraint.Clear();
}
Slvs_SolveResult Slvs_SolveSketch(uint32_t shg, int calculateFaileds = 0)
{
SYS.Clear();
Group g = {};
g.h.v = shg;
// add params from entities on sketch
for(EntityBase &ent : SK.entity) {
EntityBase *e = &ent;
// skip entities from other groups
if (e->group.v != shg) {
continue;
}
for (hParam &parh : e->param) {
if (parh.v != 0) {
// get params for this entity and add it to the system
Param *p = SK.GetParam(parh);
p->known = false;
SYS.param.Add(p);
}
}
}
// add params from constraints
IdList<Param, hParam> constraintParams = {};
for(ConstraintBase &con : SK.constraint) {
ConstraintBase *c = &con;
if(c->group.v != shg)
continue;
c->Generate(&constraintParams);
if(!constraintParams.IsEmpty()) {
for(Param &p : constraintParams) {
p.h = SK.param.AddAndAssignId(&p);
c->valP = p.h;
SYS.param.Add(&p);
}
constraintParams.Clear();
c->ModifyToSatisfy();
}
}
// mark dragged params
for(ConstraintBase &con : SK.constraint) {
ConstraintBase *c = &con;
if(c->type == ConstraintBase::Type::WHERE_DRAGGED) {
EntityBase *e = SK.GetEntity(c->ptA);
SYS.dragged.Add(&(e->param[0]));
SYS.dragged.Add(&(e->param[1]));
if (e->type == EntityBase::Type::POINT_IN_3D) {
SYS.dragged.Add(&(e->param[2]));
}
}
}
// for(hParam &par : SYS.dragged) {
// std::cout << "DraggedParam( h:" << par.v << " )\n";
// }
// for(Param &par : SYS.param) {
// std::cout << "SysParam( " << par.ToString() << " )\n";
// }
// for(EntityBase &ent : SK.entity) {
// std::cout << "SketchEntityBase( " << ent.ToString() << " )\n";
// }
// for(ConstraintBase &con : SK.constraint) {
// std::cout << "SketchConstraintBase( " << con.ToString() << " )\n";
// }
List<hConstraint> badList;
bool andFindBad = calculateFaileds ? true : false;
int rank = 0, dof = 0;
SolveResult status = SYS.Solve(&g, &rank, &dof, &badList, andFindBad, false, false);
Slvs_SolveResult sr = {};
sr.rank = rank;
sr.dof = dof;
sr.bad = badList.n;
sr.result = 0;
switch(status) {
case SolveResult::OKAY: {
sr.result = SLVS_RESULT_OKAY;
return sr;
}
case SolveResult::DIDNT_CONVERGE: {
sr.result = SLVS_RESULT_DIDNT_CONVERGE;
return sr;
}
case SolveResult::REDUNDANT_DIDNT_CONVERGE:
case SolveResult::REDUNDANT_OKAY: {
sr.result = SLVS_RESULT_INCONSISTENT;
return sr;
}
case SolveResult::TOO_MANY_UNKNOWNS: {
sr.result = SLVS_RESULT_TOO_MANY_UNKNOWNS;
return sr;
}
}
return sr;
}
double Slvs_GetParamValue(uint32_t ph)
{
Param* p = SK.param.FindById(hParam { ph });
return p->val;
}
void Slvs_SetParamValue(uint32_t ph, double value)
{
Param* p = SK.param.FindById(hParam { ph });
p->val = value;
}
void Slvs_Solve(Slvs_System *ssys, uint32_t shg)
{
SYS.Clear();
SK.param.Clear();
SK.entity.Clear();
SK.constraint.Clear();
int i;
for(i = 0; i < ssys->params; i++) {
Slvs_Param *sp = &(ssys->param[i]);
Param p = {};
p.h.v = sp->h;
p.val = sp->val;
SK.param.Add(&p);
if(sp->group == shg) {
SYS.param.Add(&p);
}
}
for(i = 0; i < ssys->entities; i++) {
Slvs_Entity *se = &(ssys->entity[i]);
EntityBase e = {};
e.type = Slvs_CTypeToEntityBaseType(se->type);
e.h.v = se->h;
e.group.v = se->group;
e.workplane.v = se->wrkpl;
e.point[0].v = se->point[0];
e.point[1].v = se->point[1];
e.point[2].v = se->point[2];
e.point[3].v = se->point[3];
e.normal.v = se->normal;
e.distance.v = se->distance;
e.param[0].v = se->param[0];
e.param[1].v = se->param[1];
e.param[2].v = se->param[2];
e.param[3].v = se->param[3];
SK.entity.Add(&e);
}
IdList<Param, hParam> params = {};
for(i = 0; i < ssys->constraints; i++) {
Slvs_Constraint *sc = &(ssys->constraint[i]);
ConstraintBase c = {};
c.type = Slvs_CTypeToConstraintBaseType(sc->type);
c.h.v = sc->h;
c.group.v = sc->group;
c.workplane.v = sc->wrkpl;
c.valA = sc->valA;
c.ptA.v = sc->ptA;
c.ptB.v = sc->ptB;
c.entityA.v = sc->entityA;
c.entityB.v = sc->entityB;
c.entityC.v = sc->entityC;
c.entityD.v = sc->entityD;
c.other = (sc->other) ? true : false;
c.other2 = (sc->other2) ? true : false;
c.Generate(¶ms);
if(!params.IsEmpty()) {
for(Param &p : params) {
p.h = SK.param.AddAndAssignId(&p);
c.valP = p.h;
SYS.param.Add(&p);
}
params.Clear();
c.ModifyToSatisfy();
}
SK.constraint.Add(&c);
}
for(i = 0; i < (int)arraylen(ssys->dragged); i++) {
if(ssys->dragged[i]) {
hParam hp = { ssys->dragged[i] };
SYS.dragged.Add(&hp);
}
}
Group g = {};
g.h.v = shg;
List<hConstraint> bad = {};
// Now we're finally ready to solve!
bool andFindBad = ssys->calculateFaileds ? true : false;
SolveResult how = SYS.Solve(&g, NULL, &(ssys->dof), &bad, andFindBad, /*andFindFree=*/false);
switch(how) {
case SolveResult::OKAY:
ssys->result = SLVS_RESULT_OKAY;
break;
case SolveResult::DIDNT_CONVERGE:
ssys->result = SLVS_RESULT_DIDNT_CONVERGE;
break;
case SolveResult::REDUNDANT_DIDNT_CONVERGE:
case SolveResult::REDUNDANT_OKAY:
ssys->result = SLVS_RESULT_INCONSISTENT;
break;
case SolveResult::TOO_MANY_UNKNOWNS:
ssys->result = SLVS_RESULT_TOO_MANY_UNKNOWNS;
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