#include <algorithm>
#include <cmath>
-#include <msp/gl/meshbuilder.h>
+#include <msp/gl/technique.h>
#include "catalogue.h"
#include "tracktype.h"
namespace R2C2 {
-TrackType3D::TrackType3D(const Catalogue3D &cat3d, const TrackType &tt):
+TrackType3D::TrackType3D(Catalogue3D &cat3d, const TrackType &tt):
catalogue(cat3d),
- ballast_mesh((GL::NORMAL3, GL::COLOR4_UBYTE, GL::VERTEX3)),
- rail_mesh((GL::NORMAL3, GL::COLOR4_UBYTE, GL::VERTEX3))
+ mesh(0),
+ object(0)
{
const Catalogue &cat = cat3d.get_catalogue();
const vector<TrackPart> &parts = tt.get_parts();
float gauge = cat.get_gauge();
+ string obj_name = tt.get_object();
+ if(!obj_name.empty())
{
- unsigned index = 0;
- GL::MeshBuilder bld(ballast_mesh);
- bld.color(0.25f, 0.25f, 0.25f);
- for(vector<TrackPart>::const_iterator i=parts.begin(); i!=parts.end(); ++i)
- build_part(*i, ballast_profile, Point(0, -ballast_min.y), bld, index);
+ object = catalogue.get<GL::Object>(obj_name);
+ // XXX border
}
-
+ else
{
+ mesh = new GL::Mesh((GL::NORMAL3, GL::TEXCOORD2, GL::VERTEX3));
+ mesh->set_winding(&GL::WindingTest::counterclockwise());
+ GL::MeshBuilder bld(*mesh);
+
unsigned index = 0;
- GL::MeshBuilder bld(rail_mesh);
- bld.color(0.85f, 0.85f, 0.85f);
+ bld.texcoord(0.25, 0.5);
+ for(vector<TrackPart>::const_iterator i=parts.begin(); i!=parts.end(); ++i)
+ build_part(*i, ballast_profile, Point(0, -ballast_min.y), false, bld, index);
+
+ bld.texcoord(0.75, 0.5);
float y = ballast_h-rail_min.y;
for(vector<TrackPart>::const_iterator i=parts.begin(); i!=parts.end(); ++i)
- build_part(*i, rail_profile, Point(-gauge/2-rail_max.x, y), bld, index);
+ build_part(*i, rail_profile, Point(-gauge/2, y), true, bld, index);
for(vector<TrackPart>::const_iterator i=parts.begin(); i!=parts.end(); ++i)
- build_part(*i, rail_profile, Point(gauge/2-rail_min.x, y), bld, index);
+ build_part(*i, rail_profile, Point(gauge/2, y), false, bld, index);
+
+ object = new GL::Object;
+ object->set_mesh(mesh);
+ object->set_technique(catalogue.get<GL::Technique>(cat.get_track_technique()));
}
unsigned paths = tt.get_paths();
for(unsigned i=0; paths; ++i, paths>>=1)
{
- GL::Mesh *mesh = 0;
+ GL::Mesh *m = 0;
if(paths&1)
{
- mesh = new GL::Mesh(GL::VERTEX3);
- GL::MeshBuilder bld(*mesh);
+ m = new GL::Mesh(GL::VERTEX3);
+ GL::MeshBuilder bld(*m);
unsigned index = 0;
for(vector<TrackPart>::const_iterator j=parts.begin(); j!=parts.end(); ++j)
if(j->get_path()==i)
- build_part(*j, cat.get_path_profile(), Point(0, ballast_h+1.5*rail_h), bld, index);
+ build_part(*j, cat.get_path_profile(), Point(0, ballast_h+1.5*rail_h), false, bld, index);
}
- path_meshes.push_back(mesh);
+ path_meshes.push_back(m);
}
min_z = max_z = border.front().z;
return *path_meshes[p];
}
-void TrackType3D::render(const GL::Tag &tag) const
-{
- if(tag==0)
- {
- catalogue.get_ballast_material().bind();
- ballast_mesh.draw();
- catalogue.get_rail_material().bind();
- rail_mesh.draw();
- }
-}
-
-void TrackType3D::build_part(const TrackPart &part, const Profile &profile, const Point &offset, GL::MeshBuilder &bld, unsigned &base_index)
+void TrackType3D::build_part(const TrackPart &part, const Profile &profile, const Point &offset, bool mirror, GL::MeshBuilder &bld, unsigned &base_index)
{
float plen = part.get_length();
unsigned nsegs = (part.is_curved() ? static_cast<unsigned>(plen*32)+1 : 1);
- unsigned n_points = profile.get_n_points();
+ unsigned n_vertices = profile.get_n_vertices();
for(unsigned i=0; i<=nsegs; ++i)
{
TrackPoint basep = part.get_point(i*plen/nsegs);
float c = cos(basep.dir);
float s = sin(basep.dir);
- Point p;
- for(unsigned j=0; j<n_points; ++j)
+ for(unsigned j=0; j<n_vertices; ++j)
{
- // TODO: smoothing - only duplicate vertex if the angle is large enough
-
- p = profile.get_point(j);
+ const Profile::Vertex &v = profile.get_vertex(mirror ? n_vertices-1-j : j);
+ Point p = v.pos;
+ if(mirror)
+ p.x = -p.x;
p.z = basep.pos.z+p.y+offset.y;
p.y = basep.pos.y-c*(p.x+offset.x);
p.x = basep.pos.x+s*(p.x+offset.x);
- if(j>0)
- bld.vertex(p.x, p.y, p.z);
- if(j+1<n_points)
- {
- Point n = profile.get_edge_normal(j);
- bld.normal(s*n.x, -c*n.x, n.y);
- bld.vertex(p.x, p.y, p.z);
- }
+ Point n = v.normal;
+ if(mirror)
+ n.x = -n.x;
+
+ bld.normal(s*n.x, -c*n.x, n.y);
+ bld.vertex(p.x, p.y, p.z);
border.push_back(p);
}
}
- for(unsigned i=0; i+1<n_points; ++i)
+ for(unsigned i=0; i+1<n_vertices; )
{
bld.begin(GL::TRIANGLE_STRIP);
for(unsigned j=0; j<=nsegs; ++j)
{
- unsigned k = (j*(n_points-1)+i)*2;
+ unsigned k = j*n_vertices+i;
bld.element(base_index+k+1);
bld.element(base_index+k);
}
bld.end();
+
+ ++i;
+ if(!profile.get_vertex(i).smooth)
+ ++i;
}
- base_index += (nsegs+1)*(n_points-1)*2;
+ base_index += (nsegs+1)*n_vertices;
}
} // namespace R2C2
projects / r2c2.git / blobdiff