X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2F3d%2Ftrack.cpp;h=8b36b194220c0c3175da4c322e9b846e5112b656;hb=f8a7788cee0261babfc4c804a58515aad6dfbc3d;hp=d9370844e8ae24cb0f061777dd1e00d0381fce0e;hpb=52cbe8d99669f843f8f75c51128e2748584dd03a;p=r2c2.git

diff --git a/source/3d/track.cpp b/source/3d/track.cpp
index d937084..8b36b19 100644
--- a/source/3d/track.cpp
+++ b/source/3d/track.cpp
@@ -1,254 +1,132 @@
+/* $Id$
+
+This file is part of R²C²
+Copyright © 2006-2011 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 "libmarklin/tracktype.h"
+#include <msp/gl/renderer.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)
-{
-	build_object();
-}
-
-void Track3D::set_quality(unsigned q)
+	type(layout.get_catalogue().get_track(track.get_type())),
+	path(new Path3D(*this))
 {
-	quality=q;
-	build_object();
-}
-
-void Track3D::get_bounds(float angle, Point &minp, Point &maxp) const
-{
-	const Point &pos=track.get_position();
-	float rot=track.get_rotation();
-
-	float c=cos(-angle);
-	float s=sin(-angle);
-
-	minp.x=maxp.x=c*pos.x-s*pos.y;
-	minp.y=maxp.y=s*pos.x+c*pos.y;
+	layout.add_track(*this);
+	layout.get_scene().add(*this);
 
-	float c2=cos(rot-angle);
-	float s2=sin(rot-angle);
-
-	for(vector<Point>::const_iterator i=border.begin(); i!=border.end(); ++i)
+	const vector<TrackType::Endpoint> &type_eps = track.get_type().get_endpoints();
+	const vector<Track *> &links = track.get_links();
+	for(unsigned i=0; i<type_eps.size(); ++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);
+		if(!links[i] || links[i]>&track)
+			endpoints.push_back(new Endpoint3D(*this, i));
+		else
+			endpoints.push_back(0);
 	}
+
+	track.signal_link_changed.connect(sigc::mem_fun(this, &Track3D::link_changed));
 }
 
-void Track3D::render()
+Track3D::~Track3D()
 {
-	prepare_render();
-
-	glPushName((unsigned)this);
+	delete path;
 
-	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]);
-	}
+	layout.remove_track(*this);
+	layout.get_scene().remove(*this);
 
-	glPopName();
-	glPopMatrix();
+	for(vector<Endpoint3D *>::iterator i=endpoints.begin(); i!=endpoints.end(); ++i)
+		delete *i;
 }
 
-void Track3D::render_endpoints()
+void Track3D::get_bounds(float angle, Vector &minp, Vector &maxp) const
 {
-	prepare_render();
-
-	const vector<Endpoint> &endpoints=track.get_type().get_endpoints();
-	for(unsigned i=0; i<endpoints.size(); ++i)
-	{
-		const Endpoint &ep=endpoints[i];
-		GL::set(GL_CULL_FACE, track.get_link(i));
-		if(track.get_link(i))
-			glColor4f(0.5, 0, 1, 0.5);
-		else
-			glColor4f(1, 0, 0.5, 0.5);
-
-		float c=cos(ep.dir);
-		float s=sin(ep.dir);
-
-		glBegin(GL_QUADS);
-		glVertex3f(ep.x-s*0.025, ep.y+c*0.025, 0);
-		glVertex3f(ep.x+s*0.025, ep.y-c*0.025, 0);
-		glVertex3f(ep.x+s*0.025, ep.y-c*0.025, 0.02);
-		glVertex3f(ep.x-s*0.025, ep.y+c*0.025, 0.02);
-		glEnd();
-	}
+	type.get_bounds(angle-track.get_rotation(), minp, maxp);
+
+	float c = cos(-angle);
+	float s = sin(-angle);
+
+	const Vector &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;
+}
 
-	glPopMatrix();
+Vector Track3D::get_node() const
+{
+	const Vector &pos = track.get_position();
+	Vector minp;
+	Vector maxp;
+	type.get_bounds(0, minp, maxp);
+	float rot = track.get_rotation();
+	float c = cos(rot);
+	float s = sin(rot);
+
+	Vector center((minp.x+maxp.x)/2, (minp.y+maxp.y)/2, 0);
+	return Vector(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 Vector &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(Msp::GL::Renderer &renderer, 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);
+	renderer.matrix_stack() *= get_matrix();
+	glPushName(reinterpret_cast<unsigned>(this));
 }
 
-void Track3D::build_object()
+void Track3D::finish_render(Msp::GL::Renderer &, 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_type().get_n_routes());
-
-	const vector<TrackPart> &parts=track.get_type().get_parts();
-	unsigned index=0;
-	for(vector<TrackPart>::const_iterator i=parts.begin(); i!=parts.end(); ++i)
-		build_part(*i, *builder, index);
+	glPopName();
 }
 
-void Track3D::build_part(const TrackPart &part, GL::VertexArrayBuilder &va_builder, unsigned &base_index)
+void Track3D::link_changed(unsigned i, Track *trk)
 {
-	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)
+	if(!trk || trk>&track)
 	{
-		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);
-			}
-		}
+		if(!endpoints[i])
+			endpoints[i] = new Endpoint3D(*this, i);
 	}
-	else
+	else if(endpoints[i])
 	{
-		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);
-			}
-		}
+		delete endpoints[i];
+		endpoints[i] = 0;
 	}
-
-	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;
 }
 
-} // namespace Marklin
+} // namespace R2C2