#include
#include
#include
#include
#define BEGIN_NODE(type) \
namespace {\
node_creator register_##type##_creator(#type); \
} \
void type::parse_attribute(const std::string &a_name, \
std::istream &a_stream, file &a_data) \
{
#define ATTR(d_var) \
if (a_name == #d_var) { \
using namespace bits; \
return parse_value(d_var, a_stream, a_data); \
}
#define VATTR(d_var) \
if (a_name == #d_var) { \
using namespace bits; \
return parse_vector(d_var, a_stream, a_data); \
}
#define END_NODE \
base_type::parse_attribute(a_name, a_stream, a_data); \
}
#define BEGIN_DEFAULTS(type) \
type::type() :
#define END_DEFAULTS \
{}
namespace vrmllib {
namespace bits {
class node_creator_base {
public:
virtual ~node_creator_base() {}
virtual node *create() = 0;
};
std::map g_node_creators;
template
class node_creator : public node_creator_base {
public:
node_creator(const char *type) { g_node_creators[type] = this; }
node *create() { return new Type; }
};
} // namespace bits
using namespace bits;
node *node::create_node(const std::string &type)
{
node_creator_base *c = g_node_creators[type];
if (c)
return c->create();
else {
std::cerr return 0;
}
}
BEGIN_NODE(grouping_node)
VATTR(children)
END_NODE
BEGIN_DEFAULTS(Transform)
translation(0,0,0),
center(0,0,0),
scale(1,1,1)
END_DEFAULTS
BEGIN_NODE(Transform)
ATTR(translation)
ATTR(rotation)
ATTR(center)
ATTR(scale)
ATTR(scaleOrientation)
END_NODE
BEGIN_NODE(Group)
END_NODE
BEGIN_DEFAULTS(Shape)
appearance(0),
geometry(0)
END_DEFAULTS
BEGIN_NODE(Shape)
ATTR(appearance)
ATTR(geometry)
END_NODE
BEGIN_DEFAULTS(Switch)
whichChoice(0)
END_DEFAULTS
BEGIN_NODE(Switch)
VATTR(choice)
ATTR(whichChoice)
END_NODE
BEGIN_DEFAULTS(Viewpoint)
fieldOfView(0.785398),
position(0,0,10)
END_DEFAULTS
BEGIN_NODE(Viewpoint)
ATTR(fieldOfView)
ATTR(orientation)
ATTR(position)
ATTR(description)
END_NODE
BEGIN_DEFAULTS(Appearance)
material(0),
texture(0)
END_DEFAULTS
BEGIN_NODE(Appearance)
ATTR(material)
ATTR(texture)
END_NODE
BEGIN_NODE(WorldInfo)
ATTR(title)
VATTR(info)
END_NODE
BEGIN_DEFAULTS(Material)
diffuseColor(204,204,204),
specularColor(0,0,0),
emissiveColor(0,0,0),
ambientIntensity(0.2),
shininess(0.2),
transparency(0)
END_DEFAULTS
BEGIN_NODE(Material)
ATTR(diffuseColor)
ATTR(specularColor)
ATTR(emissiveColor)
ATTR(ambientIntensity)
ATTR(shininess)
ATTR(transparency)
END_NODE
BEGIN_DEFAULTS(IndexedFaceSet)
solid(true),
convex(true),
ccw(true),
normalPerVertex(true),
colorPerVertex(true),
coord(0),
normal(0),
texCoord(0),
color(0)
END_DEFAULTS
BEGIN_NODE(IndexedFaceSet)
ATTR(solid)
ATTR(convex)
ATTR(ccw)
ATTR(normalPerVertex)
ATTR(colorPerVertex)
ATTR(coord)
ATTR(color)
ATTR(normal)
ATTR(texCoord)
VATTR(coordIndex)
VATTR(texCoordIndex)
VATTR(normalIndex)
VATTR(colorIndex)
END_NODE
BEGIN_NODE(Coordinate)
VATTR(point)
END_NODE
BEGIN_NODE(Color)
VATTR(color)
END_NODE
BEGIN_NODE(Box)
ATTR(size)
END_NODE
BEGIN_NODE(Sphere)
ATTR(radius)
END_NODE
BEGIN_NODE(TextureCoordinate)
VATTR(point)
END_NODE
BEGIN_NODE(Normal)
VATTR(vector)
END_NODE
BEGIN_DEFAULTS(ImageTexture)
repeatS(true), repeatT(true)
END_DEFAULTS
BEGIN_NODE(ImageTexture)
VATTR(url)
ATTR(repeatS)
ATTR(repeatT)
END_NODE
} // namespace vrmllib
