mirror of https://github.com/vitalif/openscad
152 lines
3.9 KiB
C++
152 lines
3.9 KiB
C++
/*
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* OpenSCAD (www.openscad.org)
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* Copyright (C) 2009-2011 Clifford Wolf <clifford@clifford.at> and
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* Marius Kintel <marius@kintel.net>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* As a special exception, you have permission to link this program
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* with the CGAL library and distribute executables, as long as you
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* follow the requirements of the GNU GPL in regard to all of the
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* software in the executable aside from CGAL.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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*/
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#include "cgaladvnode.h"
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#include "module.h"
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#include "context.h"
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#include "builtin.h"
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#include "PolySetEvaluator.h"
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#include <sstream>
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#include <assert.h>
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#include <boost/assign/std/vector.hpp>
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using namespace boost::assign; // bring 'operator+=()' into scope
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class CgaladvModule : public AbstractModule
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{
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public:
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cgaladv_type_e type;
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CgaladvModule(cgaladv_type_e type) : type(type) { }
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virtual AbstractNode *evaluate(const Context *ctx, const ModuleInstantiation *inst) const;
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};
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AbstractNode *CgaladvModule::evaluate(const Context *ctx, const ModuleInstantiation *inst) const
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{
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CgaladvNode *node = new CgaladvNode(inst, type);
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std::vector<std::string> argnames;
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std::vector<Expression*> argexpr;
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if (type == MINKOWSKI)
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argnames += "convexity";
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if (type == GLIDE)
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argnames += "path", "convexity";
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if (type == SUBDIV)
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argnames += "type", "level", "convexity";
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Context c(ctx);
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c.args(argnames, argexpr, inst->argnames, inst->argvalues);
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Value convexity, path, subdiv_type, level;
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if (type == MINKOWSKI) {
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convexity = c.lookup_variable("convexity", true);
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}
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if (type == GLIDE) {
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convexity = c.lookup_variable("convexity", true);
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path = c.lookup_variable("path", false);
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}
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if (type == SUBDIV) {
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convexity = c.lookup_variable("convexity", true);
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subdiv_type = c.lookup_variable("type", false);
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level = c.lookup_variable("level", true);
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}
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node->convexity = (int)convexity.toDouble();
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node->path = path;
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node->subdiv_type = subdiv_type.toString();
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node->level = (int)level.toDouble();
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if (node->level <= 1)
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node->level = 1;
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std::vector<AbstractNode *> evaluatednodes = inst->evaluateChildren();
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node->children.insert(node->children.end(), evaluatednodes.begin(), evaluatednodes.end());
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return node;
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}
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PolySet *CgaladvNode::evaluate_polyset(PolySetEvaluator *ps) const
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{
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return ps->evaluatePolySet(*this);
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}
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std::string CgaladvNode::name() const
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{
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switch (this->type) {
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case MINKOWSKI:
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return "minkowski";
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break;
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case GLIDE:
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return "glide";
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break;
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case SUBDIV:
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return "subdiv";
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break;
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case HULL:
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return "hull";
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break;
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default:
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assert(false);
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}
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}
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std::string CgaladvNode::toString() const
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{
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std::stringstream stream;
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stream << this->name();
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switch (type) {
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case MINKOWSKI:
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stream << "(convexity = " << this->convexity << ")";
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break;
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case GLIDE:
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stream << "(path = " << this->path << ", convexity = " << this->convexity << ")";
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break;
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case SUBDIV:
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stream << "(level = " << this->level << ", convexity = " << this->convexity << ")";
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break;
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case HULL:
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stream << "()";
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break;
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default:
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assert(false);
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}
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return stream.str();
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}
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void register_builtin_cgaladv()
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{
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Builtins::init("minkowski", new CgaladvModule(MINKOWSKI));
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Builtins::init("glide", new CgaladvModule(GLIDE));
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Builtins::init("subdiv", new CgaladvModule(SUBDIV));
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Builtins::init("hull", new CgaladvModule(HULL));
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}
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