/* $Id$
-This file is part of the MSP Märklin suite
+This file is part of R²C²
Copyright © 2010 Mikkosoft Productions, Mikko Rasa
Distributed under the GPL
*/
#include <algorithm>
#include <cmath>
-#include <msp/gl/meshbuilder.h>
+#include <msp/gl/technique.h>
#include "catalogue.h"
#include "tracktype.h"
namespace {
-bool compare_z(const Marklin::Point &p1, const Marklin::Point &p2)
+bool compare_z(const R2C2::Point &p1, const R2C2::Point &p2)
{
return p1.z<p2.z;
}
// http://en.wikipedia.org/wiki/Graham_scan
// Find point with lowest X coordinate
- Marklin::Point lowest = *begin;
+ R2C2::Point lowest = *begin;
for(Iter i=begin; i!=end; ++i)
if(i->x<lowest.x || (i->x==lowest.x && i->y>lowest.y))
lowest = *i;
}
-namespace Marklin {
+namespace R2C2 {
-TrackType3D::TrackType3D(const Catalogue3D &cat3d, const TrackType &tt):
- ballast_mesh((GL::NORMAL3, GL::COLOR4_UBYTE, GL::VERTEX3)),
- rail_mesh((GL::NORMAL3, GL::COLOR4_UBYTE, GL::VERTEX3))
+TrackType3D::TrackType3D(Catalogue3D &cat3d, const TrackType &tt):
+ catalogue(cat3d),
+ mesh((GL::NORMAL3, GL::TEXCOORD2, GL::VERTEX3))
{
const Catalogue &cat = cat3d.get_catalogue();
const vector<TrackPart> &parts = tt.get_parts();
const Profile &ballast_profile = cat.get_ballast_profile();
const Point &ballast_min = ballast_profile.get_min_coords();
const Point &ballast_max = ballast_profile.get_max_coords();
+ float ballast_h = ballast_max.y-ballast_min.y;
const Profile &rail_profile = cat.get_rail_profile();
const Point &rail_min = rail_profile.get_min_coords();
const Point &rail_max = rail_profile.get_max_coords();
+ float rail_h = rail_max.y-rail_min.y;
float gauge = cat.get_gauge();
{
unsigned index = 0;
- GL::MeshBuilder bld(ballast_mesh);
- bld.color(0.25f, 0.25f, 0.25f);
+ GL::MeshBuilder bld(mesh);
+ 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), bld, index);
- }
- {
- unsigned index = 0;
- GL::MeshBuilder bld(rail_mesh);
- bld.color(0.85f, 0.85f, 0.85f);
- float y = ballast_max.y-ballast_min.y-rail_min.y;
+ 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);
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);
}
+ 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 *m = 0;
+ if(paths&1)
+ {
+ 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);
+ }
+ path_meshes.push_back(m);
+ }
+
min_z = max_z = border.front().z;
for(vector<Point>::iterator i=border.begin(); i!=border.end(); ++i)
{
border.erase(graham_scan(border.begin(), border.end()), border.end());
}
+TrackType3D::~TrackType3D()
+{
+ for(vector<GL::Mesh *>::iterator i=path_meshes.begin(); i!=path_meshes.end(); ++i)
+ delete *i;
+}
+
void TrackType3D::get_bounds(float angle, Point &minp, Point &maxp) const
{
float c = cos(-angle);
}
}
-void TrackType3D::render() const
+const GL::Mesh &TrackType3D::get_path_mesh(unsigned p) const
{
- ballast_mesh.draw();
- rail_mesh.draw();
+ if(p>=path_meshes.size() || !path_meshes[p])
+ throw InvalidParameterValue("Invalid path");
+ return *path_meshes[p];
}
void TrackType3D::build_part(const TrackPart &part, const Profile &profile, const Point &offset, GL::MeshBuilder &bld, unsigned &base_index)
{
- unsigned nsegs = (part.radius ? static_cast<unsigned>(part.length*16)+1 : 1);
- float plen = part.length;
- if(part.radius)
- plen *= abs(part.radius);
+ float plen = part.get_length();
+ unsigned nsegs = (part.is_curved() ? static_cast<unsigned>(plen*32)+1 : 1);
unsigned n_points = profile.get_n_points();
for(unsigned i=0; i<=nsegs; ++i)
{
- float a = part.dir+(part.radius ? i*plen/nsegs/part.radius : 0);
- float c = cos(a);
- float s = sin(a);
- Point basep = part.get_point(i*plen/nsegs);
+ 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)
// TODO: smoothing - only duplicate vertex if the angle is large enough
p = profile.get_point(j);
- p.z = basep.z+p.y+offset.y;
- p.y = basep.y-c*(p.x+offset.x);
- p.x = basep.x+s*(p.x+offset.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);
base_index += (nsegs+1)*(n_points-1)*2;
}
-} // namespace Marklin
+} // namespace R2C2
projects / r2c2.git / blobdiff