X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2F3d%2Ftracktype.cpp;h=755f0080807771f7e1bd4ddf76d34a86c0affaf5;hb=c5f5ec54e81a6a85f911fa1075a0939a7352fbfd;hp=1196b32ce18b7eb161f87e4c64487fcf45207378;hpb=949b13aae247fa53579ec1cda9142ccc8755acde;p=r2c2.git

diff --git a/source/3d/tracktype.cpp b/source/3d/tracktype.cpp
index 1196b32..755f008 100644
--- a/source/3d/tracktype.cpp
+++ b/source/3d/tracktype.cpp
@@ -73,7 +73,8 @@ namespace R2C2 {
 
 TrackType3D::TrackType3D(Catalogue3D &cat3d, const TrackType &tt):
 	catalogue(cat3d),
-	mesh((GL::NORMAL3, GL::TEXCOORD2, GL::VERTEX3))
+	mesh(0),
+	object(0)
 {
 	const Catalogue &cat = cat3d.get_catalogue();
 	const vector<TrackPart> &parts = tt.get_parts();
@@ -90,24 +91,34 @@ TrackType3D::TrackType3D(Catalogue3D &cat3d, const TrackType &tt):
 
 	float gauge = cat.get_gauge();
 
+	string obj_name = tt.get_object();
+	if(!obj_name.empty())
 	{
+		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(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);
+			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);
 
-	mesh.set_winding(&GL::WindingTest::counterclockwise());
-	object.set_mesh(&mesh);
-	object.set_technique(catalogue.get<GL::Technique>(cat.get_track_technique()));
+		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)
@@ -120,7 +131,7 @@ TrackType3D::TrackType3D(Catalogue3D &cat3d, const TrackType &tt):
 			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(m);
 	}
@@ -168,54 +179,56 @@ const GL::Mesh &TrackType3D::get_path_mesh(unsigned p) const
 	return *path_meshes[p];
 }
 
-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