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Copy pathrequest.cpp
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205 lines (185 loc) · 6.7 KB
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//-----------------------------------------------------------------------------
// Implementation of our Request class; a request is a user-created thing
// that will generate an entity (line, curve) when the sketch is generated,
// in the same way that other entities are generated automatically, like
// by an extrude or a step and repeat.
//
// Copyright 2008-2013 Jonathan Westhues.
//-----------------------------------------------------------------------------
#include "solvespace.h"
const hRequest Request::HREQUEST_REFERENCE_XY = { 1 };
const hRequest Request::HREQUEST_REFERENCE_YZ = { 2 };
const hRequest Request::HREQUEST_REFERENCE_ZX = { 3 };
const EntReqTable::TableEntry EntReqTable::Table[] = {
// request type entity type pts xtra? norml dist description
{ Request::WORKPLANE, Entity::WORKPLANE, 1, false, true, false, "workplane" },
{ Request::DATUM_POINT, 0, 1, false, false, false, "datum-point" },
{ Request::LINE_SEGMENT, Entity::LINE_SEGMENT, 2, false, false, false, "line-segment" },
{ Request::CUBIC, Entity::CUBIC, 4, true, false, false, "cubic-bezier" },
{ Request::CUBIC_PERIODIC, Entity::CUBIC_PERIODIC, 3, true, false, false, "periodic-cubic" },
{ Request::CIRCLE, Entity::CIRCLE, 1, false, true, true, "circle" },
{ Request::ARC_OF_CIRCLE, Entity::ARC_OF_CIRCLE, 3, false, true, false, "arc-of-circle" },
{ Request::TTF_TEXT, Entity::TTF_TEXT, 2, false, true, false, "ttf-text" },
{ 0, 0, 0, false, false, false, 0 },
};
const char *EntReqTable::DescriptionForRequest(int req) {
for(int i = 0; Table[i].reqType; i++) {
if(req == Table[i].reqType) {
return Table[i].description;
}
}
return "???";
}
void EntReqTable::CopyEntityInfo(const TableEntry *te, int extraPoints,
int *ent, int *req, int *pts, bool *hasNormal, bool *hasDistance)
{
int points = te->points;
if(te->useExtraPoints) points += extraPoints;
if(ent) *ent = te->entType;
if(req) *req = te->reqType;
if(pts) *pts = points;
if(hasNormal) *hasNormal = te->hasNormal;
if(hasDistance) *hasDistance = te->hasDistance;
}
bool EntReqTable::GetRequestInfo(int req, int extraPoints,
int *ent, int *pts, bool *hasNormal, bool *hasDistance)
{
for(int i = 0; Table[i].reqType; i++) {
const TableEntry *te = &(Table[i]);
if(req == te->reqType) {
CopyEntityInfo(te, extraPoints,
ent, NULL, pts, hasNormal, hasDistance);
return true;
}
}
return false;
}
bool EntReqTable::GetEntityInfo(int ent, int extraPoints,
int *req, int *pts, bool *hasNormal, bool *hasDistance)
{
for(int i = 0; Table[i].reqType; i++) {
const TableEntry *te = &(Table[i]);
if(ent == te->entType) {
CopyEntityInfo(te, extraPoints,
NULL, req, pts, hasNormal, hasDistance);
return true;
}
}
return false;
}
int EntReqTable::GetRequestForEntity(int ent) {
int req = 0;
GetEntityInfo(ent, 0, &req, NULL, NULL, NULL);
return req;
}
void Request::Generate(IdList<Entity,hEntity> *entity,
IdList<Param,hParam> *param)
{
int points = 0;
int et = 0;
bool hasNormal = false;
bool hasDistance = false;
int i;
Entity e = {};
EntReqTable::GetRequestInfo(type, extraPoints,
&et, &points, &hasNormal, &hasDistance);
// Generate the entity that's specific to this request.
e.type = et;
e.extraPoints = extraPoints;
e.group = group;
e.style = style;
e.workplane = workplane;
e.construction = construction;
e.str = str;
e.font = font;
e.h = h.entity(0);
// And generate entities for the points
for(i = 0; i < points; i++) {
Entity p = {};
p.workplane = workplane;
// points start from entity 1, except for datum point case
p.h = h.entity(i+(et ? 1 : 0));
p.group = group;
p.style = style;
if(workplane.v == Entity::FREE_IN_3D.v) {
p.type = Entity::POINT_IN_3D;
// params for x y z
p.param[0] = AddParam(param, h.param(16 + 3*i + 0));
p.param[1] = AddParam(param, h.param(16 + 3*i + 1));
p.param[2] = AddParam(param, h.param(16 + 3*i + 2));
} else {
p.type = Entity::POINT_IN_2D;
// params for u v
p.param[0] = AddParam(param, h.param(16 + 3*i + 0));
p.param[1] = AddParam(param, h.param(16 + 3*i + 1));
}
entity->Add(&p);
e.point[i] = p.h;
}
if(hasNormal) {
Entity n = {};
n.workplane = workplane;
n.h = h.entity(32);
n.group = group;
n.style = style;
if(workplane.v == Entity::FREE_IN_3D.v) {
n.type = Entity::NORMAL_IN_3D;
n.param[0] = AddParam(param, h.param(32+0));
n.param[1] = AddParam(param, h.param(32+1));
n.param[2] = AddParam(param, h.param(32+2));
n.param[3] = AddParam(param, h.param(32+3));
} else {
n.type = Entity::NORMAL_IN_2D;
// and this is just a copy of the workplane quaternion,
// so no params required
}
if(points < 1) oops();
// The point determines where the normal gets displayed on-screen;
// it's entirely cosmetic.
n.point[0] = e.point[0];
entity->Add(&n);
e.normal = n.h;
}
if(hasDistance) {
Entity d = {};
d.workplane = workplane;
d.h = h.entity(64);
d.group = group;
d.style = style;
d.type = Entity::DISTANCE;
d.param[0] = AddParam(param, h.param(64));
entity->Add(&d);
e.distance = d.h;
}
if(et) entity->Add(&e);
}
std::string Request::DescriptionString(void) {
const char *s;
if(h.v == Request::HREQUEST_REFERENCE_XY.v) {
s = "#XY";
} else if(h.v == Request::HREQUEST_REFERENCE_YZ.v) {
s = "#YZ";
} else if(h.v == Request::HREQUEST_REFERENCE_ZX.v) {
s = "#ZX";
} else {
s = EntReqTable::DescriptionForRequest(type);
}
return ssprintf("r%03x-%s", h.v, s);
}
int Request::IndexOfPoint(hEntity he) {
if(type == DATUM_POINT) {
return (he.v == h.entity(0).v) ? 0 : -1;
}
for(int i = 0; i < MAX_POINTS_IN_ENTITY; i++) {
if(he.v == h.entity(i + 1).v) {
return i;
}
}
return -1;
}
hParam Request::AddParam(IdList<Param,hParam> *param, hParam hp) {
Param pa = {};
pa.h = hp;
param->Add(&pa);
return hp;
}