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