mirror of https://github.com/vitalif/openscad
133 lines
4.2 KiB
C++
133 lines
4.2 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 "ThrownTogetherRenderer.h"
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#include "polyset.h"
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#include "csgterm.h"
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#include "printutils.h"
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#include "system-gl.h"
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#include <boost/unordered_map.hpp>
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#include <boost/foreach.hpp>
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ThrownTogetherRenderer::ThrownTogetherRenderer(CSGChain *root_chain,
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CSGChain *highlights_chain,
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CSGChain *background_chain)
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: root_chain(root_chain), highlights_chain(highlights_chain),
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background_chain(background_chain)
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{
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}
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void ThrownTogetherRenderer::draw(bool /*showfaces*/, bool showedges) const
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{
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PRINTD("Thrown draw");
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if (this->root_chain) {
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glEnable(GL_CULL_FACE);
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glCullFace(GL_BACK);
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renderCSGChain(this->root_chain, false, false, showedges, false);
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glCullFace(GL_FRONT);
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glColor3ub(255, 0, 255);
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renderCSGChain(this->root_chain, false, false, showedges, true);
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glDisable(GL_CULL_FACE);
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}
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if (this->background_chain)
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renderCSGChain(this->background_chain, false, true, showedges, false);
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if (this->highlights_chain)
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renderCSGChain(this->highlights_chain, true, false, showedges, false);
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}
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void ThrownTogetherRenderer::renderCSGChain(CSGChain *chain, bool highlight,
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bool background, bool showedges,
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bool fberror) const
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{
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PRINTD("Thrown renderCSGChain");
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glDepthFunc(GL_LEQUAL);
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boost::unordered_map<std::pair<const Geometry*,const Transform3d*>,int> geomVisitMark;
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BOOST_FOREACH(const CSGChainObject &obj, chain->objects) {
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if (geomVisitMark[std::make_pair(obj.geom.get(), &obj.matrix)]++ > 0)
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continue;
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const Transform3d &m = obj.matrix;
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const Color4f &c = obj.color;
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glPushMatrix();
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glMultMatrixd(m.data());
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csgmode_e csgmode = csgmode_e(
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(highlight ?
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CSGMODE_HIGHLIGHT :
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(background ? CSGMODE_BACKGROUND : CSGMODE_NORMAL)) |
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(obj.type == CSGTerm::TYPE_DIFFERENCE ? CSGMODE_DIFFERENCE : 0));
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ColorMode colormode = COLORMODE_NONE;
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ColorMode edge_colormode = COLORMODE_NONE;
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if (highlight) {
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colormode = COLORMODE_HIGHLIGHT;
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edge_colormode = COLORMODE_HIGHLIGHT_EDGES;
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} else if (background) {
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if (obj.flag & CSGTerm::FLAG_HIGHLIGHT) {
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colormode = COLORMODE_HIGHLIGHT;
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}
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else {
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colormode = COLORMODE_BACKGROUND;
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}
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edge_colormode = COLORMODE_BACKGROUND_EDGES;
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} else if (fberror) {
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} else if (obj.type == CSGTerm::TYPE_DIFFERENCE) {
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if (obj.flag & CSGTerm::FLAG_HIGHLIGHT) {
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colormode = COLORMODE_HIGHLIGHT;
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}
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else {
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colormode = COLORMODE_CUTOUT;
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}
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edge_colormode = COLORMODE_CUTOUT_EDGES;
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} else {
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if (obj.flag & CSGTerm::FLAG_HIGHLIGHT) {
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colormode = COLORMODE_HIGHLIGHT;
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}
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else {
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colormode = COLORMODE_MATERIAL;
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}
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edge_colormode = COLORMODE_MATERIAL_EDGES;
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}
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setColor(colormode, c.data());
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render_surface(obj.geom, csgmode, m);
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if (showedges) {
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// FIXME? glColor4f((c[0]+1)/2, (c[1]+1)/2, (c[2]+1)/2, 1.0);
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setColor(edge_colormode);
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render_edges(obj.geom, csgmode);
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}
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glPopMatrix();
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}
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}
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BoundingBox ThrownTogetherRenderer::getBoundingBox() const
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{
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BoundingBox bbox;
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if (this->root_chain) bbox = this->root_chain->getBoundingBox();
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return bbox;
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}
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