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/*
* OpenSCAD (www.openscad.org)
* Copyright (C) 2009-2011 Clifford Wolf <clifford@clifford.at> and
* Marius Kintel <marius@kintel.net>
*
* 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.
*
* As a special exception, you have permission to link this program
* with the CGAL library and distribute executables, as long as you
* follow the requirements of the GNU GPL in regard to all of the
* software in the executable aside from CGAL.
*
* 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
*
*/
#include "cgaladvnode.h"
#include "module.h"
#include "evalcontext.h"
#include "builtin.h"
#include "PolySetEvaluator.h"
#include <sstream>
#include <assert.h>
#include <boost/assign/std/vector.hpp>
using namespace boost::assign; // bring 'operator+=()' into scope
class CgaladvModule : public AbstractModule
{
public:
cgaladv_type_e type;
CgaladvModule(cgaladv_type_e type) : type(type) { }
virtual AbstractNode *instantiate(const Context *ctx, const ModuleInstantiation *inst, const EvalContext *evalctx) const;
};
AbstractNode *CgaladvModule::instantiate(const Context *ctx, const ModuleInstantiation *inst, const EvalContext *evalctx) const
{
CgaladvNode *node = new CgaladvNode(inst, type);
AssignmentList args;
if (type == MINKOWSKI)
args += Assignment("convexity", NULL);
if (type == GLIDE)
args += Assignment("path", NULL), Assignment("convexity", NULL);
if (type == SUBDIV)
args += Assignment("type", NULL), Assignment("level", NULL), Assignment("convexity", NULL);
if (type == RESIZE)
args += Assignment("newsize", NULL), Assignment("auto", NULL);
Context c(ctx);
c.setVariables(args, evalctx);
Value convexity, path, subdiv_type, level;
if (type == MINKOWSKI) {
convexity = c.lookup_variable("convexity", true);
}
if (type == GLIDE) {
convexity = c.lookup_variable("convexity", true);
path = c.lookup_variable("path", false);
}
if (type == SUBDIV) {
convexity = c.lookup_variable("convexity", true);
subdiv_type = c.lookup_variable("type", false);
level = c.lookup_variable("level", true);
}
if (type == RESIZE) {
Value ns = c.lookup_variable("newsize");
node->newsize << 0,0,0;
if ( ns.type() == Value::VECTOR ) {
Value::VectorType vs = ns.toVector();
if ( vs.size() >= 1 ) node->newsize[0] = vs[0].toDouble();
if ( vs.size() >= 2 ) node->newsize[1] = vs[1].toDouble();
if ( vs.size() >= 3 ) node->newsize[2] = vs[2].toDouble();
}
Value autosize = c.lookup_variable("auto");
node->autosize << false, false, false;
if ( autosize.type() == Value::VECTOR ) {
Value::VectorType va = autosize.toVector();
if ( va.size() >= 1 ) node->autosize[0] = va[0].toBool();
if ( va.size() >= 2 ) node->autosize[1] = va[1].toBool();
if ( va.size() >= 3 ) node->autosize[2] = va[2].toBool();
}
else if ( autosize.type() == Value::BOOL ) {
node->autosize << autosize.toBool(),autosize.toBool(),autosize.toBool();
}
}
node->convexity = (int)convexity.toDouble();
node->path = path;
node->subdiv_type = subdiv_type.toString();
node->level = (int)level.toDouble();
if (node->level <= 1)
node->level = 1;
std::vector<AbstractNode *> instantiatednodes = inst->instantiateChildren(evalctx);
node->children.insert(node->children.end(), instantiatednodes.begin(), instantiatednodes.end());
return node;
}
PolySet *CgaladvNode::evaluate_polyset(PolySetEvaluator *ps) const
{
return ps->evaluatePolySet(*this);
}
std::string CgaladvNode::name() const
{
switch (this->type) {
case MINKOWSKI:
return "minkowski";
break;
case GLIDE:
return "glide";
break;
case SUBDIV:
return "subdiv";
break;
case HULL:
return "hull";
break;
case RESIZE:
return "resize";
break;
default:
assert(false);
}
return "internal_error";
}
std::string CgaladvNode::toString() const
{
std::stringstream stream;
stream << this->name();
switch (type) {
case MINKOWSKI:
stream << "(convexity = " << this->convexity << ")";
break;
case GLIDE:
stream << "(path = " << this->path << ", convexity = " << this->convexity << ")";
break;
case SUBDIV:
stream << "(level = " << this->level << ", convexity = " << this->convexity << ")";
break;
case HULL:
stream << "()";
break;
case RESIZE:
stream << "(newsize = ["
<< this->newsize[0] << "," << this->newsize[1] << "," << this->newsize[2] << "]"
<< ", auto = ["
<< this->autosize[0] << "," << this->autosize[1] << "," << this->autosize[2] << "]"
<< ")";
break;
default:
assert(false);
}
return stream.str();
}
void register_builtin_cgaladv()
{
Builtins::init("minkowski", new CgaladvModule(MINKOWSKI));
Builtins::init("glide", new CgaladvModule(GLIDE));
Builtins::init("subdiv", new CgaladvModule(SUBDIV));
Builtins::init("hull", new CgaladvModule(HULL));
Builtins::init("resize", new CgaladvModule(RESIZE));
}
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