diff options
Diffstat (limited to 'csgops.cc')
| -rw-r--r-- | csgops.cc | 162 |
1 files changed, 0 insertions, 162 deletions
diff --git a/csgops.cc b/csgops.cc deleted file mode 100644 index be29ede..0000000 --- a/csgops.cc +++ /dev/null @@ -1,162 +0,0 @@ -/* - * OpenSCAD (www.openscad.at) - * Copyright (C) 2009 Clifford Wolf <clifford@clifford.at> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - * - */ - -#define INCLUDE_ABSTRACT_NODE_DETAILS - -#include "openscad.h" -#include "printutils.h" - -enum csg_type_e { - CSG_TYPE_UNION, - CSG_TYPE_DIFFERENCE, - CSG_TYPE_INTERSECTION -}; - -class CsgModule : public AbstractModule -{ -public: - csg_type_e type; - CsgModule(csg_type_e type) : type(type) { } - virtual AbstractNode *evaluate(const Context *ctx, const ModuleInstantiation *inst) const; -}; - -class CsgNode : public AbstractNode -{ -public: - csg_type_e type; - CsgNode(const ModuleInstantiation *mi, csg_type_e type) : AbstractNode(mi), type(type) { } -#ifdef ENABLE_CGAL - virtual CGAL_Nef_polyhedron render_cgal_nef_polyhedron() const; -#endif - CSGTerm *render_csg_term(double m[20], QVector<CSGTerm*> *highlights, QVector<CSGTerm*> *background) const; - virtual QString dump(QString indent) const; -}; - -AbstractNode *CsgModule::evaluate(const Context*, const ModuleInstantiation *inst) const -{ - CsgNode *node = new CsgNode(inst, type); - foreach (ModuleInstantiation *v, inst->children) { - AbstractNode *n = v->evaluate(inst->ctx); - if (n != NULL) - node->children.append(n); - } - return node; -} - -#ifdef ENABLE_CGAL - -CGAL_Nef_polyhedron CsgNode::render_cgal_nef_polyhedron() const -{ - QString cache_id = mk_cache_id(); - if (cgal_nef_cache.contains(cache_id)) { - progress_report(); - PRINT(cgal_nef_cache[cache_id]->msg); - return cgal_nef_cache[cache_id]->N; - } - - print_messages_push(); - - bool first = true; - CGAL_Nef_polyhedron N; - foreach (AbstractNode *v, children) { - if (v->modinst->tag_background) - continue; - if (first) { - N = v->render_cgal_nef_polyhedron(); - if (N.dim != 0) - first = false; - } else if (N.dim == 2) { - if (type == CSG_TYPE_UNION) { - N.p2 += v->render_cgal_nef_polyhedron().p2; - } else if (type == CSG_TYPE_DIFFERENCE) { - N.p2 -= v->render_cgal_nef_polyhedron().p2; - } else if (type == CSG_TYPE_INTERSECTION) { - N.p2 *= v->render_cgal_nef_polyhedron().p2; - } - } else if (N.dim == 3) { - if (type == CSG_TYPE_UNION) { - N.p3 += v->render_cgal_nef_polyhedron().p3; - } else if (type == CSG_TYPE_DIFFERENCE) { - N.p3 -= v->render_cgal_nef_polyhedron().p3; - } else if (type == CSG_TYPE_INTERSECTION) { - N.p3 *= v->render_cgal_nef_polyhedron().p3; - } - } - } - - cgal_nef_cache.insert(cache_id, new cgal_nef_cache_entry(N), N.weight()); - print_messages_pop(); - progress_report(); - - return N; -} - -#endif /* ENABLE_CGAL */ - -CSGTerm *CsgNode::render_csg_term(double m[20], QVector<CSGTerm*> *highlights, QVector<CSGTerm*> *background) const -{ - CSGTerm *t1 = NULL; - foreach (AbstractNode *v, children) { - CSGTerm *t2 = v->render_csg_term(m, highlights, background); - if (t2 && !t1) { - t1 = t2; - } else if (t2 && t1) { - if (type == CSG_TYPE_UNION) { - t1 = new CSGTerm(CSGTerm::TYPE_UNION, t1, t2); - } else if (type == CSG_TYPE_DIFFERENCE) { - t1 = new CSGTerm(CSGTerm::TYPE_DIFFERENCE, t1, t2); - } else if (type == CSG_TYPE_INTERSECTION) { - t1 = new CSGTerm(CSGTerm::TYPE_INTERSECTION, t1, t2); - } - } - } - if (t1 && modinst->tag_highlight && highlights) - highlights->append(t1->link()); - if (t1 && modinst->tag_background && background) { - background->append(t1); - return NULL; - } - return t1; -} - -QString CsgNode::dump(QString indent) const -{ - if (dump_cache.isEmpty()) { - QString text = indent + QString("n%1: ").arg(idx); - if (type == CSG_TYPE_UNION) - text += "union() {\n"; - if (type == CSG_TYPE_DIFFERENCE) - text += "difference() {\n"; - if (type == CSG_TYPE_INTERSECTION) - text += "intersection() {\n"; - foreach (AbstractNode *v, children) - text += v->dump(indent + QString("\t")); - ((AbstractNode*)this)->dump_cache = text + indent + "}\n"; - } - return dump_cache; -} - -void register_builtin_csgops() -{ - builtin_modules["union"] = new CsgModule(CSG_TYPE_UNION); - builtin_modules["difference"] = new CsgModule(CSG_TYPE_DIFFERENCE); - builtin_modules["intersection"] = new CsgModule(CSG_TYPE_INTERSECTION); -} - |