[692] | 1 | #include <vrmllib/nodes.h>
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| 2 |
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| 3 | #include <map>
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| 4 | #include <stdexcept>
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| 5 |
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| 6 | #include <vrmllib/types_bits.h>
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| 7 |
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| 8 | #define BEGIN_NODE(type) \
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| 9 | namespace {\
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| 10 | node_creator<type> register_##type##_creator(#type); \
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| 11 | } \
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| 12 | void type::parse_attribute(const std::string &a_name, \
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| 13 | std::istream &a_stream, file &a_data) \
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| 14 | {
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| 15 |
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| 16 | #define ATTR(d_var) \
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| 17 | if (a_name == #d_var) { \
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| 18 | using namespace bits; \
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| 19 | return parse_value(d_var, a_stream, a_data); \
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| 20 | }
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| 21 | #define VATTR(d_var) \
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| 22 | if (a_name == #d_var) { \
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| 23 | using namespace bits; \
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| 24 | return parse_vector(d_var, a_stream, a_data); \
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| 25 | }
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| 26 | #define END_NODE \
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| 27 | base_type::parse_attribute(a_name, a_stream, a_data); \
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| 28 | }
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| 29 |
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| 30 | #define BEGIN_DEFAULTS(type) \
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| 31 | type::type() :
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| 32 | #define END_DEFAULTS \
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| 33 | {}
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| 34 |
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| 35 | namespace vrmllib {
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| 36 | namespace bits {
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| 37 |
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| 38 | class node_creator_base {
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| 39 | public:
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| 40 | virtual ~node_creator_base() {}
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| 41 | virtual node *create() = 0;
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| 42 | };
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| 43 |
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| 44 | std::map<std::string, node_creator_base *> g_node_creators;
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| 45 |
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| 46 | template<class Type>
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| 47 | class node_creator : public node_creator_base {
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| 48 | public:
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| 49 | node_creator(const char *type) { g_node_creators[type] = this; }
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| 50 | node *create() { return new Type; }
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| 51 | };
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| 52 |
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| 53 | } // namespace bits
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| 54 |
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| 55 | using namespace bits;
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| 56 |
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| 57 | node *node::create_node(const std::string &type)
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| 58 | {
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| 59 | node_creator_base *c = g_node_creators[type];
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| 60 |
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| 61 | if (c)
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| 62 | return c->create();
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| 63 | else {
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| 64 | std::cerr << "unknown type: " << type << std::endl;
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| 65 | return 0;
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| 66 | }
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| 67 | }
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| 68 |
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| 69 | BEGIN_NODE(grouping_node)
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| 70 | VATTR(children)
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| 71 | END_NODE
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| 72 |
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| 73 | BEGIN_DEFAULTS(Transform)
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| 74 | translation(0,0,0),
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| 75 | center(0,0,0),
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| 76 | scale(1,1,1)
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| 77 | END_DEFAULTS
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| 78 | BEGIN_NODE(Transform)
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| 79 | ATTR(translation)
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| 80 | ATTR(rotation)
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| 81 | ATTR(center)
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| 82 | ATTR(scale)
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| 83 | ATTR(scaleOrientation)
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| 84 | END_NODE
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| 85 |
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| 86 | BEGIN_NODE(Group)
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| 87 | END_NODE
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| 88 |
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| 89 | BEGIN_DEFAULTS(Shape)
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| 90 | appearance(0),
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| 91 | geometry(0)
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| 92 | END_DEFAULTS
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| 93 | BEGIN_NODE(Shape)
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| 94 | ATTR(appearance)
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| 95 | ATTR(geometry)
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| 96 | END_NODE
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| 97 |
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| 98 | BEGIN_DEFAULTS(Switch)
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| 99 | whichChoice(0)
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| 100 | END_DEFAULTS
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| 101 | BEGIN_NODE(Switch)
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| 102 | VATTR(choice)
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| 103 | ATTR(whichChoice)
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| 104 | END_NODE
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| 105 |
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| 106 | BEGIN_DEFAULTS(Viewpoint)
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| 107 | fieldOfView(0.785398),
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| 108 | position(0,0,10)
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| 109 | END_DEFAULTS
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| 110 | BEGIN_NODE(Viewpoint)
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| 111 | ATTR(fieldOfView)
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| 112 | ATTR(orientation)
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| 113 | ATTR(position)
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| 114 | ATTR(description)
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| 115 | END_NODE
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| 116 |
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| 117 | BEGIN_DEFAULTS(Appearance)
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| 118 | material(0),
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| 119 | texture(0)
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| 120 | END_DEFAULTS
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| 121 | BEGIN_NODE(Appearance)
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| 122 | ATTR(material)
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| 123 | ATTR(texture)
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| 124 | END_NODE
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| 125 |
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| 126 | BEGIN_NODE(WorldInfo)
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| 127 | ATTR(title)
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| 128 | VATTR(info)
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| 129 | END_NODE
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| 130 |
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| 131 | BEGIN_DEFAULTS(Material)
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| 132 | diffuseColor(204,204,204),
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| 133 | specularColor(0,0,0),
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| 134 | emissiveColor(0,0,0),
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| 135 | ambientIntensity(0.2),
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| 136 | shininess(0.2),
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| 137 | transparency(0)
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| 138 | END_DEFAULTS
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| 139 | BEGIN_NODE(Material)
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| 140 | ATTR(diffuseColor)
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| 141 | ATTR(specularColor)
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| 142 | ATTR(emissiveColor)
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| 143 | ATTR(ambientIntensity)
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| 144 | ATTR(shininess)
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| 145 | ATTR(transparency)
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| 146 | END_NODE
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| 147 |
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| 148 | BEGIN_DEFAULTS(IndexedFaceSet)
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| 149 | solid(true),
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| 150 | convex(true),
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| 151 | ccw(true),
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| 152 | normalPerVertex(true),
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| 153 | colorPerVertex(true),
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| 154 | coord(0),
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| 155 | normal(0),
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| 156 | texCoord(0),
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| 157 | color(0)
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| 158 | END_DEFAULTS
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| 159 | BEGIN_NODE(IndexedFaceSet)
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| 160 | ATTR(solid)
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| 161 | ATTR(convex)
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| 162 | ATTR(ccw)
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| 163 | ATTR(normalPerVertex)
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| 164 | ATTR(colorPerVertex)
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| 165 | ATTR(coord)
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| 166 | ATTR(color)
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| 167 | ATTR(normal)
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| 168 | ATTR(texCoord)
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| 169 | VATTR(coordIndex)
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| 170 | VATTR(texCoordIndex)
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| 171 | VATTR(normalIndex)
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| 172 | VATTR(colorIndex)
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| 173 | END_NODE
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| 174 |
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| 175 | BEGIN_NODE(Coordinate)
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| 176 | VATTR(point)
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| 177 | END_NODE
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| 178 |
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| 179 | BEGIN_NODE(Color)
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| 180 | VATTR(color)
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| 181 | END_NODE
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| 182 |
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| 183 | BEGIN_NODE(Box)
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| 184 | ATTR(size)
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| 185 | END_NODE
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| 186 |
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| 187 | BEGIN_NODE(Sphere)
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| 188 | ATTR(radius)
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| 189 | END_NODE
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| 190 |
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| 191 | BEGIN_NODE(TextureCoordinate)
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| 192 | VATTR(point)
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| 193 | END_NODE
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| 194 |
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| 195 | BEGIN_NODE(Normal)
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| 196 | VATTR(vector)
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| 197 | END_NODE
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| 198 |
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| 199 | BEGIN_DEFAULTS(ImageTexture)
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| 200 | repeatS(true), repeatT(true)
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| 201 | END_DEFAULTS
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| 202 | BEGIN_NODE(ImageTexture)
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| 203 | VATTR(url)
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| 204 | ATTR(repeatS)
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| 205 | ATTR(repeatT)
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| 206 | END_NODE
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| 207 |
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| 208 | } // namespace vrmllib
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