X-Git-Url: https://git.mxchange.org/?a=blobdiff_plain;f=simgear%2Fscene%2Ftgdb%2Fapt_signs.cxx;h=d76622a6c397f9fec1752e9d666fca12a325da99;hb=2cc2a857a2cc2daff30601e0f8f697c768dd5b30;hp=e102571c32e842dacab1d6c69794580848955de7;hpb=7fc8c026884b2d0a1b683765c089a9bef5ac47c8;p=simgear.git diff --git a/simgear/scene/tgdb/apt_signs.cxx b/simgear/scene/tgdb/apt_signs.cxx index e102571c..d76622a6 100644 --- a/simgear/scene/tgdb/apt_signs.cxx +++ b/simgear/scene/tgdb/apt_signs.cxx @@ -16,152 +16,378 @@ // // 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., 675 Mass Ave, Cambridge, MA 02139, USA. +// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. // // $Id$ +#ifdef HAVE_CONFIG_H +# include +#endif + +#include + +#include +#include +#include +#include #include #include -#include +#include +#include +#include +#include #include "apt_signs.hxx" +#define SIGN "OBJECT_SIGN: " +#define RWY "OBJECT_RUNWAY_SIGN: " -ssgBranch *sgMakeTaxiSign( SGMaterialLib *matlib, - const string path, const string content ) -{ - // for demo purposes we assume each element (letter) is 1x1 meter. - // Sign is placed 0.25 meters above the ground +using std::vector; +using namespace simgear; - ssgBranch *object = new ssgBranch(); - object->setName( (char *)content.c_str() ); - - double offset = content.length() / 2.0; - - for ( unsigned int i = 0; i < content.length(); ++i ) { - string material; - - char item = content[i]; - if ( item == '<' ) { - material = "ArrowL.rgb"; - } else if ( item == '>' ) { - material = "ArrowR.rgb"; - } else if ( item >= 'A' && item <= 'Z' ) { - material = "Letter"; - material += item; - material += ".rgb"; - } else if ( item >= 'a' && item <= 'z' ) { - int tmp = item - 'a'; - char c = 'A' + tmp; - material = "Black"; - material += c; - material += ".rgb"; - } else { - SG_LOG( SG_TERRAIN, SG_ALERT, - "Unknown taxi sign code = '" << item << "' !!!!" ); - return NULL; - } - - point_list nodes; nodes.clear(); - point_list normals; normals.clear(); - point_list texcoords; texcoords.clear(); - int_list vertex_index; vertex_index.clear(); - int_list normal_index; normal_index.clear(); - int_list tex_index; tex_index.clear(); - - nodes.push_back( Point3D( -offset + i, 0, 0.25 ) ); - nodes.push_back( Point3D( -offset + i + 1, 0, 0.25 ) ); - nodes.push_back( Point3D( -offset + i, 0, 1.25 ) ); - nodes.push_back( Point3D( -offset + i + 1, 0, 1.25 ) ); - - normals.push_back( Point3D( 0, -1, 0 ) ); - - texcoords.push_back( Point3D( 0, 0, 0 ) ); - texcoords.push_back( Point3D( 1, 0, 0 ) ); - texcoords.push_back( Point3D( 0, 1, 0 ) ); - texcoords.push_back( Point3D( 1, 1, 0 ) ); - - vertex_index.push_back( 0 ); - vertex_index.push_back( 1 ); - vertex_index.push_back( 2 ); - vertex_index.push_back( 3 ); - - normal_index.push_back( 0 ); - normal_index.push_back( 0 ); - normal_index.push_back( 0 ); - normal_index.push_back( 0 ); - - tex_index.push_back( 0 ); - tex_index.push_back( 1 ); - tex_index.push_back( 2 ); - tex_index.push_back( 3 ); - - ssgLeaf *leaf = sgMakeLeaf( path, GL_TRIANGLE_STRIP, matlib, material, - nodes, normals, texcoords, - vertex_index, normal_index, tex_index, - false, NULL ); - - object->addKid( leaf ); +// for temporary storage of sign elements +struct element_info { + element_info(SGMaterial *m, Effect *s, SGMaterialGlyph *g, double h) + : material(m), state(s), glyph(g), height(h) + { + scale = h * m->get_xsize() + / (m->get_ysize() < 0.001 ? 1.0 : m->get_ysize()); } - - return object; -} - - -ssgBranch *sgMakeRunwaySign( SGMaterialLib *matlib, - const string path, const string name ) + SGMaterial *material; + Effect *state; + SGMaterialGlyph *glyph; + double height; + double scale; +}; + + +// standard panel height sizes +const double HT[5] = {0.460, 0.610, 0.760, 1.220, 0.760}; + + +// translation table for "command" to "glyph name" +struct pair { + const char *keyword; + const char *glyph_name; +} cmds[] = { + {"@u", "^u"}, + {"@d", "^d"}, + {"@l", "^l"}, + {"@lu", "^lu"}, + {"@ul", "^lu"}, + {"@ld", "^ld"}, + {"@dl", "^ld"}, + {"@r", "^r"}, + {"@ru", "^ru"}, + {"@ur", "^ru"}, + {"@rd", "^rd"}, + {"@dr", "^rd"}, + {0, 0}, +}; + + +// see $FG_ROOT/Docs/README.scenery +// +osg::Node* +SGMakeSign(SGMaterialLib *matlib, const string& path, const string& content) { - // for demo purposes we assume each element (letter) is 1x1 meter. - // Sign is placed 0.25 meters above the ground - - ssgBranch *object = new ssgBranch(); - object->setName( (char *)name.c_str() ); - - double width = name.length() / 3.0; - - string material = name + ".rgb"; - - point_list nodes; nodes.clear(); - point_list normals; normals.clear(); - point_list texcoords; texcoords.clear(); - int_list vertex_index; vertex_index.clear(); - int_list normal_index; normal_index.clear(); - int_list tex_index; tex_index.clear(); - - nodes.push_back( Point3D( -width, 0, 0.25 ) ); - nodes.push_back( Point3D( width + 1, 0, 0.25 ) ); - nodes.push_back( Point3D( -width, 0, 1.25 ) ); - nodes.push_back( Point3D( width + 1, 0, 1.25 ) ); + double sign_height = 1.0; // meter + bool lighted = true; + string newmat = "BlackSign"; + + vector elements; + element_info *close = 0; + double total_width = 0.0; + bool cmd = false; + int size = -1; + char oldtype = 0, newtype = 0; + + osg::Group* object = new osg::Group; + object->setName(content); + + SGMaterial *material = 0; + Effect *lighted_state = 0; + Effect *unlighted_state = 0; + + // Part I: parse & measure + for (const char *s = content.data(); *s; s++) { + string name; + string value; + + if (*s == '{') { + if (cmd) + SG_LOG(SG_TERRAIN, SG_ALERT, SIGN "unexpected { in sign contents"); + cmd = true; + continue; + + } else if (*s == '}') { + if (!cmd) + SG_LOG(SG_TERRAIN, SG_ALERT, SIGN "unexpected } in sign contents"); + cmd = false; + continue; + + } else if (!cmd) { + name = *s; + + } else { + if (*s == ',') + continue; + + for (; *s; s++) { + name += *s; + if (s[1] == ',' || s[1] == '}' || s[1] == '=') + break; + } + if (!*s) { + SG_LOG(SG_TERRAIN, SG_ALERT, SIGN "unclosed { in sign contents"); + } else if (s[1] == '=') { + for (s += 2; *s; s++) { + value += *s; + if (s[1] == ',' || s[1] == '}') + break; + } + if (!*s) + SG_LOG(SG_TERRAIN, SG_ALERT, SIGN "unclosed { in sign contents"); + } + + if (name == "@size") { + sign_height = strtod(value.data(), 0); + continue; + } + + if (name == "@light") { + lighted = (value != "0" && value != "no" && value != "off" && value != "false"); + continue; + } + + if (name == "@material") { + newmat = value.data(); + continue; + + } else if (name.size() == 2 || name.size() == 3) { + string n = name; + if (n.size() == 3 && n[2] >= '1' && n[2] <= '5') { + size = n[2] - '1'; + n = n.substr(0, 2); + } + + if (n == "@Y") { + if (size < 3) { + sign_height = HT[size < 0 ? 2 : size]; + newmat = "YellowSign"; + newtype = 'Y'; + continue; + } + + } else if (n == "@R") { + if (size < 3) { + sign_height = HT[size < 0 ? 2 : size]; + newmat = "RedSign"; + newtype = 'R'; + continue; + } + + } else if (n == "@L") { + if (size < 3) { + sign_height = HT[size < 0 ? 2 : size]; + newmat = "FramedSign"; + newtype = 'L'; + continue; + } + + } else if (n == "@B") { + if (size < 0 || size == 3 || size == 4) { + sign_height = HT[size < 0 ? 3 : size]; + newmat = "BlackSign"; + newtype = 'B'; + continue; + } + } + } + + for (int i = 0; cmds[i].keyword; i++) { + if (name == cmds[i].keyword) { + name = cmds[i].glyph_name; + break; + } + } + + if (name[0] == '@') { + SG_LOG(SG_TERRAIN, SG_ALERT, SIGN "ignoring unknown command `" << name << '\''); + continue; + } + } + + if (newmat.size()) { + SGMaterial *m = matlib->find(newmat); + if (!m) { + // log error, but keep using previous material to at least show something + SG_LOG(SG_TERRAIN, SG_ALERT, SIGN "ignoring unknown material `" << newmat << '\''); + } else { + material = m; + // set material states (lighted & unlighted) + lighted_state = material->get_effect(); + newmat.append(".unlighted"); + + m = matlib->find(newmat); + if (m) { + unlighted_state = m->get_effect(); + } else { + SG_LOG(SG_TERRAIN, SG_ALERT, SIGN "ignoring unknown material `" << newmat << '\''); + unlighted_state = lighted_state; + } + } + newmat.clear(); + } + + // This can only happen if the default material is missing. + // Error has been already logged in the block above. + if (!material) continue; + + SGMaterialGlyph *glyph = material->get_glyph(name); + if (!glyph) { + SG_LOG( SG_TERRAIN, SG_ALERT, SIGN "unsupported glyph `" << *s << '\''); + continue; + } + + // in managed mode push frame stop and frame start first + Effect *state = lighted ? lighted_state : unlighted_state; + element_info *e; + if (newtype && newtype != oldtype) { + if (close) { + elements.push_back(close); + total_width += close->glyph->get_width() * close->scale; + close = 0; + } + oldtype = newtype; + SGMaterialGlyph *g = material->get_glyph("stop-frame"); + if (g) + close = new element_info(material, state, g, sign_height); + g = material->get_glyph("start-frame"); + if (g) { + e = new element_info(material, state, g, sign_height); + elements.push_back(e); + total_width += e->glyph->get_width() * e->scale; + } + } + // now the actually requested glyph + e = new element_info(material, state, glyph, sign_height); + elements.push_back(e); + total_width += e->glyph->get_width() * e->scale; + } - normals.push_back( Point3D( 0, -1, 0 ) ); + // in managed mode close frame + if (close) { + elements.push_back(close); + total_width += close->glyph->get_width() * close->scale; + close = 0; + } - texcoords.push_back( Point3D( 0, 0, 0 ) ); - texcoords.push_back( Point3D( 1, 0, 0 ) ); - texcoords.push_back( Point3D( 0, 1, 0 ) ); - texcoords.push_back( Point3D( 1, 1, 0 ) ); - vertex_index.push_back( 0 ); - vertex_index.push_back( 1 ); - vertex_index.push_back( 2 ); - vertex_index.push_back( 3 ); + // Part II: typeset + double hpos = -total_width / 2; + const double dist = 0.25; // hard-code distance from surface for now + + for (unsigned int i = 0; i < elements.size(); i++) { + element_info *element = elements[i]; + + double xoffset = element->glyph->get_left(); + double height = element->height; + double width = element->glyph->get_width(); + double abswidth = width * element->scale; + + // vertices + osg::Vec3Array* vl = new osg::Vec3Array; + vl->push_back(osg::Vec3(0, hpos, dist)); + vl->push_back(osg::Vec3(0, hpos + abswidth, dist)); + vl->push_back(osg::Vec3(0, hpos, dist + height)); + vl->push_back(osg::Vec3(0, hpos + abswidth, dist + height)); + + // texture coordinates + osg::Vec2Array* tl = new osg::Vec2Array; + tl->push_back(osg::Vec2(xoffset, 0)); + tl->push_back(osg::Vec2(xoffset + width, 0)); + tl->push_back(osg::Vec2(xoffset, 1)); + tl->push_back(osg::Vec2(xoffset + width, 1)); + + // normals + osg::Vec3Array* nl = new osg::Vec3Array; + nl->push_back(osg::Vec3(0, -1, 0)); + + // colors + osg::Vec4Array* cl = new osg::Vec4Array; + cl->push_back(osg::Vec4(1, 1, 1, 1)); + + osg::Geometry* geometry = new osg::Geometry; + geometry->setVertexArray(vl); + geometry->setNormalArray(nl); + geometry->setNormalBinding(osg::Geometry::BIND_OVERALL); + geometry->setColorArray(cl); + geometry->setColorBinding(osg::Geometry::BIND_OVERALL); + geometry->setTexCoordArray(0, tl); + geometry->addPrimitiveSet(new osg::DrawArrays(GL_TRIANGLE_STRIP, 0, vl->size())); + EffectGeode* geode = new EffectGeode; + geode->addDrawable(geometry); + geode->setEffect(element->state); + + object->addChild(geode); + hpos += abswidth; + delete element; + } - normal_index.push_back( 0 ); - normal_index.push_back( 0 ); - normal_index.push_back( 0 ); - normal_index.push_back( 0 ); - tex_index.push_back( 0 ); - tex_index.push_back( 1 ); - tex_index.push_back( 2 ); - tex_index.push_back( 3 ); + // minimalistic backside + osg::Vec3Array* vl = new osg::Vec3Array; + vl->push_back(osg::Vec3(0, hpos, dist)); + vl->push_back(osg::Vec3(0, hpos - total_width, dist)); + vl->push_back(osg::Vec3(0, hpos, dist + sign_height)); + vl->push_back(osg::Vec3(0, hpos - total_width, dist + sign_height)); + + osg::Vec2Array* tl = new osg::Vec2Array; + for (int i = 0; i < 4; ++i) + tl->push_back(osg::Vec2(0.0, 0.0)); + osg::Vec3Array* nl = new osg::Vec3Array; + nl->push_back(osg::Vec3(0, 1, 0)); + osg::Vec4Array* cl = new osg::Vec4Array; + cl->push_back(osg::Vec4(0.0, 0.0, 0.0, 1.0)); + osg::Geometry* geometry = new osg::Geometry; + geometry->setVertexArray(vl); + geometry->setNormalArray(nl); + geometry->setNormalBinding(osg::Geometry::BIND_OVERALL); + geometry->setTexCoordArray(0, tl); + geometry->setColorArray(cl); + geometry->setColorBinding(osg::Geometry::BIND_OVERALL); + geometry->addPrimitiveSet(new osg::DrawArrays(GL_TRIANGLE_STRIP, 0, vl->size())); + EffectGeode* geode = new EffectGeode; + geode->addDrawable(geometry); + SGMaterial *mat = matlib->find("BlackSign"); + if (mat) + geode->setEffect(mat->get_effect()); + object->addChild(geode); - ssgLeaf *leaf = sgMakeLeaf( path, GL_TRIANGLE_STRIP, matlib, material, - nodes, normals, texcoords, - vertex_index, normal_index, tex_index, - false, NULL ); + return object; +} - object->addKid( leaf ); +osg::Node* +SGMakeRunwaySign(SGMaterialLib *matlib, const string& path, const string& name) +{ + // for demo purposes we assume each element (letter) is 1x1 meter. + // Sign is placed 0.25 meters above the ground - return object; + float width = name.length() / 3.0; + + osg::Vec3 corner(-width, 0, 0.25f); + osg::Vec3 widthVec(2*width + 1, 0, 0); + osg::Vec3 heightVec(0, 0, 1); + osg::Geometry* geometry; + geometry = osg::createTexturedQuadGeometry(corner, widthVec, heightVec); + EffectGeode* geode = new EffectGeode; + geode->setName(name); + geode->addDrawable(geometry); + SGMaterial *mat = matlib->find(name); + if (mat) + geode->setEffect(mat->get_effect()); + + return geode; }