#endif
#include <vector>
+#include <boost/foreach.hpp>
#include <osg/Geode>
#include <osg/Geometry>
typedef std::vector<element_info*> ElementVec;
+
+
+
const double HT[5] = {0.460, 0.610, 0.760, 1.220, 0.760}; // standard panel height sizes
const double grounddist = 0.2; // hard-code sign distance from surface for now
const double thick = 0.1; // half the thickness of the 3D sign
{0, 0},
};
-void SGMakeSignFace(osg::Group* object, const ElementVec& elements, double hpos, bool isBackside)
+struct GlyphGeometry
{
- std::map<Effect*, EffectGeode*> geodesByEffect;
-
- 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();
-
- osg::Vec3Array* vl = new osg::Vec3Array;
- osg::Vec2Array* tl = new osg::Vec2Array;
-
- // vertices
- vl->push_back(osg::Vec3(thick, hpos, grounddist));
- vl->push_back(osg::Vec3(thick, hpos + element->abswidth, grounddist));
- vl->push_back(osg::Vec3(thick, hpos, grounddist + height));
- vl->push_back(osg::Vec3(thick, hpos + element->abswidth, grounddist + height));
-
- // texture coordinates
- 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 = geodesByEffect[element->state];
- if (!geode) {
- geode = new EffectGeode();
- geode->setEffect(element->state);
- geodesByEffect[element->state] = geode;
- }
-
- geode->addDrawable(geometry);
+ osg::DrawArrays* quads;
+ osg::Vec2Array* uvs;
+ osg::Vec3Array* vertices;
+ osg::Vec3Array* normals;
+
+ void addGlyph(SGMaterialGlyph* glyph, double x, double y, double width, double height, const osg::Matrix& xform)
+ {
+
+ vertices->push_back(xform.preMult(osg::Vec3(thick, x, y)));
+ vertices->push_back(xform.preMult(osg::Vec3(thick, x + width, y)));
+ vertices->push_back(xform.preMult(osg::Vec3(thick, x + width, y + height)));
+ vertices->push_back(xform.preMult(osg::Vec3(thick, x, y + height)));
+
+ // texture coordinates
+ double xoffset = glyph->get_left();
+ double texWidth = glyph->get_width();
+
+ uvs->push_back(osg::Vec2(xoffset, 0));
+ uvs->push_back(osg::Vec2(xoffset + texWidth, 0));
+ uvs->push_back(osg::Vec2(xoffset + texWidth, 1));
+ uvs->push_back(osg::Vec2(xoffset, 1));
+
+ // normals
+ for (int i=0; i<4; ++i)
+ normals->push_back(xform.preMult(osg::Vec3(0, -1, 0)));
+
+ quads->setCount(vertices->size());
+ }
+
+ void addSignCase(double caseWidth, double caseHeight, const osg::Matrix& xform)
+ {
+ vertices->push_back(osg::Vec3(-thick, -caseWidth, grounddist));
+ vertices->push_back(osg::Vec3(thick, -caseWidth, grounddist));
+ vertices->push_back(osg::Vec3(thick, -caseWidth, grounddist + caseHeight));
+ vertices->push_back(osg::Vec3(-thick, -caseWidth, grounddist + caseHeight));
+
+
+ for (int i=0; i<4; ++i)
+ normals->push_back(xform.preMult(osg::Vec3(-1, 0.0, 0)));
+
+ vertices->push_back(osg::Vec3(-thick, -caseWidth, grounddist + caseHeight));
+ vertices->push_back(osg::Vec3(thick, -caseWidth, grounddist + caseHeight));
+ vertices->push_back(osg::Vec3(thick, caseWidth, grounddist + caseHeight));
+ vertices->push_back(osg::Vec3(-thick, caseWidth, grounddist + caseHeight));
+
+ for (int i=0; i<4; ++i)
+ normals->push_back(xform.preMult(osg::Vec3(0, 0, 1)));
+
+ vertices->push_back(osg::Vec3(-thick, caseWidth, grounddist + caseHeight));
+ vertices->push_back(osg::Vec3(thick, caseWidth, grounddist + caseHeight));
+ vertices->push_back(osg::Vec3(thick, caseWidth, grounddist));
+ vertices->push_back(osg::Vec3(-thick, caseWidth, grounddist));
+
+ for (int i=0; i<4; ++i)
+ normals->push_back(xform.preMult(osg::Vec3(1, 0.0, 0)));
+
+ for (int i = 0; i < 3; ++i) {
+ uvs->push_back(osg::Vec2(1, 1));
+ uvs->push_back(osg::Vec2(0.75, 1));
+ uvs->push_back(osg::Vec2(0.75, 0));
+ uvs->push_back(osg::Vec2(1, 0));
+ }
+
+ quads->setCount(vertices->size());
+ }
+};
- if (isBackside) {
- osg::MatrixTransform* transform = new osg::MatrixTransform();
- const double angle = 180;
- const osg::Vec3d axis(0, 0, 1);
- transform->setMatrix(osg::Matrix::rotate( osg::DegreesToRadians(angle), axis));
- transform->addChild(geode);
- object->addChild(transform);
- } else
- object->addChild(geode);
+typedef std::map<Effect*, GlyphGeometry*> EffectGeometryMap;
+void SGMakeSignFace(EffectGeometryMap& glyphs, const ElementVec& elements, double hpos, const osg::Matrix& xform)
+{
+ BOOST_FOREACH(element_info* element, elements) {
+ GlyphGeometry* gg = glyphs[element->state];
+ gg->addGlyph(element->glyph, hpos, grounddist, element->abswidth, element->height, xform);
hpos += element->abswidth;
delete element;
}
}
+GlyphGeometry* makeGeometry(Effect* eff, osg::Group* group)
+{
+ GlyphGeometry* gg = new GlyphGeometry;
+
+ EffectGeode* geode = new EffectGeode;
+ geode->setEffect(eff);
+
+ gg->vertices = new osg::Vec3Array;
+ gg->normals = new osg::Vec3Array;
+ gg->uvs = new osg::Vec2Array;
+
+ osg::Vec4Array* cl = new osg::Vec4Array;
+ cl->push_back(osg::Vec4(1, 1, 1, 1));
+
+ osg::Geometry* geometry = new osg::Geometry;
+ geometry->setVertexArray(gg->vertices);
+ geometry->setNormalArray(gg->normals);
+ geometry->setNormalBinding(osg::Geometry::BIND_PER_VERTEX);
+ geometry->setColorArray(cl);
+ geometry->setColorBinding(osg::Geometry::BIND_OVERALL);
+ geometry->setTexCoordArray(0, gg->uvs);
+
+ gg->quads = new osg::DrawArrays(GL_QUADS, 0, gg->vertices->size());
+ geometry->addPrimitiveSet(gg->quads);
+ geode->addDrawable(geometry);
+ group->addChild(geode);
+ return gg;
+}
// see $FG_ROOT/Docs/README.scenery
//
int size = -1;
char oldtype = 0, newtype = 0;
+ EffectGeometryMap geoms;
+
osg::Group* object = new osg::Group;
object->setName(content);
// in managed mode push frame stop and frame start first
Effect *state = material->get_effect();
+ if (geoms[state] == NULL) {
+ geoms[state] = makeGeometry(state, object);
+ }
+
element_info *e1;
element_info *e2;
if (!isBackside) {
}
- // Part II: typeset
- double hpos = -total_width1 / 2;
- double boxwidth = total_width1 > total_width2 ? total_width1/2 : total_width2/2;
-
+ // Part II: typeset
+ double boxwidth = std::max(total_width1, total_width2) * 0.5;
+ double hpos = -boxwidth;
+ SGMaterial *mat = matlib->find("signcase");
+ geoms[mat->get_effect()] = makeGeometry(mat->get_effect(), object);
+
+ double coverSize = fabs(total_width1 - total_width2) * 0.5;
+
if (total_width1 < total_width2) {
- double ssize = (total_width2 - total_width1)/2;
- SGMaterial *mat = matlib->find("signcase");
if (mat) {
- element_info* s1 = new element_info(mat, mat->get_effect(), mat->get_glyph("cover"), sign_height, ssize);
- element_info* s2 = new element_info(mat, mat->get_effect(), mat->get_glyph("cover"), sign_height, ssize);
+ element_info* s1 = new element_info(mat, mat->get_effect(), mat->get_glyph("cover"), sign_height, coverSize);
+ element_info* s2 = new element_info(mat, mat->get_effect(), mat->get_glyph("cover"), sign_height, coverSize);
elements1.insert(elements1.begin(), s1);
elements1.push_back(s2);
}
- hpos = -total_width2 / 2;
} else if (total_width2 < total_width1) {
- double ssize = (total_width1 - total_width2)/2;
- SGMaterial *mat = matlib->find("signcase");
if (mat) {
- element_info* s1 = new element_info(mat, mat->get_effect(), mat->get_glyph("cover"), sign_height, ssize);
- element_info* s2 = new element_info(mat, mat->get_effect(), mat->get_glyph("cover"), sign_height, ssize);
+ element_info* s1 = new element_info(mat, mat->get_effect(), mat->get_glyph("cover"), sign_height, coverSize);
+ element_info* s2 = new element_info(mat, mat->get_effect(), mat->get_glyph("cover"), sign_height, coverSize);
elements2.insert(elements2.begin(), s1);
elements2.push_back(s2);
}
- hpos = -total_width1 / 2;
}
// Create front side
- SGMakeSignFace(object, elements1, hpos, false);
+ SGMakeSignFace(geoms, elements1, hpos, osg::Matrix::identity());
// Create back side
- SGMakeSignFace(object, elements2, hpos, true);
-
-
- // Add 3D case for signs
- osg::Vec3Array* vl = new osg::Vec3Array;
- osg::Vec2Array* tl = new osg::Vec2Array;
- osg::Vec3Array* nl = new osg::Vec3Array;
-
- //left side
- vl->push_back(osg::Vec3(-thick, -boxwidth, grounddist));
- vl->push_back(osg::Vec3(thick, -boxwidth, grounddist));
- vl->push_back(osg::Vec3(-thick, -boxwidth, grounddist + sign_height));
- vl->push_back(osg::Vec3(thick, -boxwidth, grounddist + sign_height));
-
- nl->push_back(osg::Vec3(-1, 0, 0));
-
- //top
- vl->push_back(osg::Vec3(-thick, -boxwidth, grounddist + sign_height));
- vl->push_back(osg::Vec3(thick, -boxwidth, grounddist + sign_height));
- vl->push_back(osg::Vec3(-thick, boxwidth, grounddist + sign_height));
- vl->push_back(osg::Vec3(thick, boxwidth, grounddist + sign_height));
-
- nl->push_back(osg::Vec3(0, 0, 1));
-
- //right side
- vl->push_back(osg::Vec3(-thick, boxwidth, grounddist + sign_height));
- vl->push_back(osg::Vec3(thick, boxwidth, grounddist + sign_height));
- vl->push_back(osg::Vec3(-thick, boxwidth, grounddist));
- vl->push_back(osg::Vec3(thick, boxwidth, grounddist));
-
- for (int i = 0; i < 4; ++i) {
- tl->push_back(osg::Vec2(1, 1));
- tl->push_back(osg::Vec2(0.75, 1));
- tl->push_back(osg::Vec2(1, 0));
- tl->push_back(osg::Vec2(0.75, 0));
- }
-
- nl->push_back(osg::Vec3(1, 0, 0));
-
- osg::Vec4Array* cl = new osg::Vec4Array;
- cl->push_back(osg::Vec4(1.0, 1.0, 1.0, 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("signcase");
- if (mat)
- geode->setEffect(mat->get_effect());
- object->addChild(geode);
-
+ const osg::Vec3d axis(0, 0, 1);
+ SGMakeSignFace(geoms, elements2, hpos, osg::Matrix::rotate( M_PI, axis));
+ geoms[mat->get_effect()]->addSignCase(boxwidth, sign_height, osg::Matrix::identity());
+
return object;
}
projects / simgear.git / commitdiff