+/* $Id$
+
+This file is part of R²C²
+Copyright © 2006-2010 Mikkosoft Productions, Mikko Rasa
+Distributed under the GPL
+*/
+
#include <cmath>
-#include <GL/gl.h>
+#include <msp/gl/matrix.h>
#include <msp/gl/misc.h>
+#include "libr2c2/tracktype.h"
+#include "endpoint.h"
+#include "layout.h"
+#include "path.h"
#include "track.h"
+#include "tracktype.h"
using namespace std;
using namespace Msp;
-#include <iostream>
-
-namespace Marklin {
+namespace R2C2 {
-Track3D::Track3D(Track &t, unsigned q):
+Track3D::Track3D(Layout3D &l, Track &t):
+ GL::ObjectInstance(l.get_catalogue().get_track(t.get_type()).get_object()),
+ layout(l),
track(t),
- color(1, 1, 1),
- varray((GL::NORMAL3, GL::VERTEX3)),
- quality(q)
+ type(layout.get_catalogue().get_track(track.get_type())),
+ path(new Path3D(*this))
{
- build_object();
-}
+ layout.add_track(*this);
+ layout.get_scene().add(*this);
-void Track3D::set_quality(unsigned q)
-{
- quality=q;
- build_object();
+ const vector<TrackType::Endpoint> &type_eps = track.get_type().get_endpoints();
+ for(unsigned i=0; i<type_eps.size(); ++i)
+ endpoints.push_back(new Endpoint3D(*this, i));
}
-void Track3D::get_bounds(float angle, Point &minp, Point &maxp) const
+Track3D::~Track3D()
{
- const Point &pos=track.get_position();
- float rot=track.get_rotation();
+ delete path;
- float c=cos(-angle);
- float s=sin(-angle);
+ layout.remove_track(*this);
+ layout.get_scene().remove(*this);
- minp.x=maxp.x=c*pos.x-s*pos.y;
- minp.y=maxp.y=s*pos.x+c*pos.y;
-
- float c2=cos(rot-angle);
- float s2=sin(rot-angle);
-
- for(vector<Point>::const_iterator i=border.begin(); i!=border.end(); ++i)
- {
- float x=c*pos.x-s*pos.y + c2*i->x-s2*i->y;
- float y=s*pos.x+c*pos.y + s2*i->x+c2*i->y;
-
- minp.x=min(minp.x, x);
- minp.y=min(minp.y, y);
- maxp.x=max(maxp.x, x);
- maxp.y=max(maxp.y, y);
- }
+ for(vector<Endpoint3D *>::iterator i=endpoints.begin(); i!=endpoints.end(); ++i)
+ delete *i;
}
-void Track3D::render()
+void Track3D::get_bounds(float angle, Point &minp, Point &maxp) const
{
- prepare_render();
-
- glPushName((unsigned)this);
-
- varray.apply();
- glColor4f(0.25*color.r, 0.25*color.g, 0.25*color.b, 1);
- glDrawElements(GL_QUADS, base_seq.size(), GL_UNSIGNED_INT, &base_seq[0]);
- if(quality>1)
- {
- glColor4f(0.85*color.r, 0.85*color.g, 0.85*color.b, 1);
- glDrawElements(GL_QUADS, rail_seq.size(), GL_UNSIGNED_INT, &rail_seq[0]);
- }
-
- glPopName();
- glPopMatrix();
+ type.get_bounds(angle-track.get_rotation(), minp, maxp);
+
+ float c = cos(-angle);
+ float s = sin(-angle);
+
+ const Point &pos = track.get_position();
+ minp.x += c*pos.x-s*pos.y;
+ maxp.x += c*pos.x-s*pos.y;
+ minp.y += s*pos.x+c*pos.y;
+ maxp.y += s*pos.x+c*pos.y;
+ minp.z += pos.z;
+ maxp.z += pos.z;
+
+ float slope = track.get_slope();
+ if(slope>0)
+ maxp.z += slope;
+ else
+ minp.z += slope;
}
-void Track3D::render_endpoints()
+Point Track3D::get_node() const
{
- prepare_render();
-
- const Point &pos=track.get_position();
- const Track::EndpointSeq &endpoints=track.get_endpoints();
- for(Track::EndpointSeq::const_iterator i=endpoints.begin(); i!=endpoints.end(); ++i)
- {
- GL::set(GL_CULL_FACE, i->link);
- if(i->link)
- glColor4f(0.5, 0, 1, 0.5);
- else
- glColor4f(1, 0, 0.5, 0.5);
-
- float c=cos(i->rot);
- float s=sin(i->rot);
-
- glBegin(GL_QUADS);
- glVertex3f(i->pos.x-s*0.025, i->pos.y+c*0.025, 0);
- glVertex3f(i->pos.x+s*0.025, i->pos.y-c*0.025, 0);
- glVertex3f(i->pos.x+s*0.025, i->pos.y-c*0.025, pos.z+i->pos.z+0.02);
- glVertex3f(i->pos.x-s*0.025, i->pos.y+c*0.025, pos.z+i->pos.z+0.02);
- glEnd();
- }
-
- glPopMatrix();
+ const Point &pos = track.get_position();
+ Point minp;
+ Point maxp;
+ type.get_bounds(0, minp, maxp);
+ float rot = track.get_rotation();
+ float c = cos(rot);
+ float s = sin(rot);
+
+ Point center((minp.x+maxp.x)/2, (minp.y+maxp.y)/2, 0);
+ return Point(pos.x+c*center.x-s*center.y, pos.y+s*center.x+c*center.y, pos.z+0.02);
}
-void Track3D::render_route(int route)
+GL::Matrix Track3D::get_matrix() const
{
- prepare_render();
+ const Point &pos = track.get_position();
+ float rot = track.get_rotation();
- varray.apply();
- if(route>=0 && static_cast<unsigned>(route)<route_seq.size())
- glDrawElements(GL_QUADS, route_seq[route].size(), GL_UNSIGNED_INT, &route_seq[route][0]);
- else
- {
- for(unsigned i=0; i<route_seq.size(); ++i)
- glDrawElements(GL_QUADS, route_seq[i].size(), GL_UNSIGNED_INT, &route_seq[i][0]);
- }
+ GL::Matrix matrix;
+ matrix.translate(pos.x, pos.y, pos.z);
+ matrix.rotate(rot, 0, 0, 1);
+ matrix.rotate(track.get_slope()/track.get_type().get_total_length(), 0, -1, 0);
- glPopMatrix();
+ return matrix;
}
-void Track3D::prepare_render()
+void Track3D::setup_render(const GL::Tag &) const
{
- const Point &pos=track.get_position();
- float rot=track.get_rotation();
-
- glPushMatrix();
- glTranslatef(pos.x, pos.y, pos.z);
- glRotatef(rot*180/M_PI, 0, 0, 1);
+ GL::MatrixStack::modelview().push();
+ GL::MatrixStack::modelview() *= get_matrix();
+ glPushName(reinterpret_cast<unsigned>(this));
}
-void Track3D::build_object()
+void Track3D::finish_render(const GL::Tag &) const
{
- varray.clear();
- RefPtr<GL::VertexArrayBuilder> builder=varray.modify();
-
- base_seq.clear();
- rail_seq.clear();
- route_seq.clear();
- route_seq.resize(track.get_n_routes());
-
- const Track::PartSeq &parts=track.get_parts();
- unsigned index=0;
- for(Track::PartSeq::const_iterator i=parts.begin(); i!=parts.end(); ++i)
- build_part(*i, *builder, index);
-}
-
-void Track3D::build_part(const Track::Part &part, GL::VertexArrayBuilder &va_builder, unsigned &base_index)
-{
- static vector<Point> profile;
- if(profile.empty())
- {
- profile.push_back(Point(0, -0.02, 0));
- profile.push_back(Point(0, -0.014, 0.008));
- profile.push_back(Point(0, -0.014, 0.008));
- profile.push_back(Point(0, 0.014, 0.008));
- profile.push_back(Point(0, 0.014, 0.008));
- profile.push_back(Point(0, 0.02, 0));
- for(unsigned i=0; i<2; ++i)
- {
- profile.push_back(Point(0, -0.009+i*0.017, 0.008));
- profile.push_back(Point(0, -0.009+i*0.017, 0.0103));
- profile.push_back(Point(0, -0.009+i*0.017, 0.0103));
- profile.push_back(Point(0, -0.008+i*0.017, 0.0103));
- profile.push_back(Point(0, -0.008+i*0.017, 0.0103));
- profile.push_back(Point(0, -0.008+i*0.017, 0.008));
- }
- profile.push_back(Point(0, -0.002, 0.012));
- profile.push_back(Point(0, 0.002, 0.012));
- }
- static unsigned psize=profile.size();
-
- const float &radius=part.radius;
- const float &x=part.x;
- const float &y=part.y;
- const float &length=part.length;
- const float &dir=part.dir;
-
- unsigned nsegs;
- if(radius)
- {
- nsegs=(unsigned)(part.length*(1<<quality))+1;
- Point center(x-sin(dir)*radius, y+cos(dir)*radius, 0);
- float r=fabs(radius);
- float start=((radius<0)?M_PI:0)+dir;
- float angle=(radius<0)?-length:length;
- int inv=(radius<0)?-1:1;
- for(unsigned i=0; i<=nsegs; ++i)
- {
- float a=start+i*angle/nsegs;
- float c=cos(a);
- float s=sin(a);
-
- for(unsigned j=0; j<profile.size(); ++j)
- {
- unsigned k=j&~1;
- float dy=profile[k+1].y-profile[k].y;
- float dz=profile[k+1].z-profile[k].z;
- float d=sqrt(dy*dy+dz*dz);
- va_builder.normal(s*dz/d, -c*dz/d, dy/d);
-
- Point p(center.x+s*(r-profile[j].y*inv), center.y-c*(r-profile[j].y*inv), profile[j].z+i*track.get_slope()/nsegs);
- va_builder.vertex(p.x, p.y, p.z);
- if(profile[j].z==0)
- border.push_back(p);
- }
- }
- }
- else
- {
- nsegs=1;
- float c=cos(dir);
- float s=sin(dir);
- for(unsigned i=0; i<2; ++i)
- {
- for(unsigned j=0; j<profile.size(); ++j)
- {
- unsigned k=j&~1;
- float dy=profile[k+1].y-profile[k].y;
- float dz=profile[k+1].z-profile[k].z;
- float d=sqrt(dy*dy+dz*dz);
- va_builder.normal(s*dz/d, -c*dz/d, dy/d);
-
- float len=(part.dead_end && i==1 && j>=6) ? length/2 : length;
- Point p(x+c*len*i-s*profile[j].y, y+s*len*i+c*profile[j].y, profile[j].z+i*track.get_slope());
- va_builder.vertex(p.x, p.y, p.z);
- if(profile[j].z==0)
- border.push_back(p);
- }
- }
- }
-
- for(unsigned i=0; i<nsegs; ++i)
- {
- for(unsigned j=0; j<3; ++j)
- {
- base_seq.push_back(base_index+i*psize+j*2);
- base_seq.push_back(base_index+(i+1)*psize+j*2);
- base_seq.push_back(base_index+(i+1)*psize+1+j*2);
- base_seq.push_back(base_index+i*psize+1+j*2);
- }
- for(unsigned j=3; j<9; ++j)
- {
- rail_seq.push_back(base_index+i*psize+j*2);
- rail_seq.push_back(base_index+(i+1)*psize+j*2);
- rail_seq.push_back(base_index+(i+1)*psize+1+j*2);
- rail_seq.push_back(base_index+i*psize+1+j*2);
- }
- route_seq[part.route].push_back(base_index+i*psize+18);
- route_seq[part.route].push_back(base_index+(i+1)*psize+18);
- route_seq[part.route].push_back(base_index+(i+1)*psize+19);
- route_seq[part.route].push_back(base_index+i*psize+19);
- }
-
- base_index+=(nsegs+1)*psize;
+ glPopName();
+ GL::MatrixStack::modelview().pop();
}
-} // namespace Marklin
+} // namespace R2C2
projects / r2c2.git / blobdiff