goat3d
view src/chunk.h @ 9:04bb114fcf05
implementing Scene::save, lots to do still
| author | John Tsiombikas <nuclear@member.fsf.org> |
|---|---|
| date | Fri, 23 Aug 2013 06:36:47 +0300 |
| parents | cd71f0b92f44 |
| children | 798df5111b56 |
line source
1 #ifndef CHUNK_H_
2 #define CHUNK_H_
4 #include <stdint.h>
6 enum {
7 CNK_INVALID, // this shouldn't appear in files
8 CNK_SCENE, // the root chunk
10 // general purpose chunks
11 CNK_INT,
12 CNK_INT4,
13 CNK_FLOAT,
14 CNK_FLOAT3,
15 CNK_FLOAT4,
16 CNK_STRING,
18 // --- first level chunks ---
19 // children of CNK_SCENE
20 CNK_ENV, // environmental parameters
21 CNK_MTL_LIST, // material library
22 CNK_MESH_LIST, // all the meshes hang under this chunk
23 CNK_LIGHT_LIST, // likewise for lights
24 CNK_CAMERA_LIST, // likewise for cameras
25 CNK_NODE_LIST, // likewise for nodes
27 // --- second level chunks ---
28 // children of CNK_ENV
29 CNK_ENV_AMBIENT, // ambient color, contains a single CNK_FLOAT3
30 CNK_ENV_FOG,
32 // children of CNK_*_LIST
33 CNK_MTL,
34 CNK_MESH,
35 CNK_LIGHT,
36 CNK_CAMERA,
37 CNK_NODE,
39 // --- third level chunks ---
40 // children of CNK_FOG
41 CNK_FOG_COLOR, // fog color, contains a single CNK_FLOAT3
42 CNK_FOG_EXP, // fog exponent, contains a single CNK_REAL
44 // children of CNK_MTL
45 CNK_MTL_ATTR, // material attribute, has a CNK_STRING for its name,
46 // a CNK_MTL_ATTR_VAL, and optionally a CNK_MTL_ATTR_MAP
47 // children of CNK_MTL_ATTR
48 CNK_MTL_ATTR_VAL, // can have a single CNK_FLOAT, CNK_FLOAT3, or CNK_FLOAT4
49 CNK_MTL_ATTR_MAP, // has a single CNK_STRING
51 // children of CNK_MESH
52 CNK_MESH_NAME, // has a single CNK_STRING
53 CNK_MESH_MATERIAL, // has one of CNK_STRING or CNK_INT to identify the material
54 CNK_MESH_VERTEX_LIST, // has a series of CNK_FLOAT3 chunks
55 CNK_MESH_NORMAL_LIST, // has a series of CNK_FLOAT3 chunks
56 CNK_MESH_TANGENT_LIST, // has a series of CNK_FLOAT3 chunks
57 CNK_MESH_TEXCOORD_LIST, // has a series of CNK_FLOAT3 chunks
58 CNK_MESH_SKINWEIGHT_LIST, // has a series of CNK_FLOAT4 chunks (4 skin weights)
59 CNK_MESH_SKINMATRIX_LIST, // has a series of CNK_INT4 chunks (4 matrix indices)
60 CNK_MESH_COLOR_LIST, // has a series of CNK_FLOAT4 chunks
61 CNK_MESH_BONES_LIST, // has a series of CNK_INT or CNK_STRING chunks identifying the bone nodes
62 CNK_MESH_FACE_LIST, // has a series of CNK_FACE chunks
64 // child of CNK_MESH_FACE_LIST
65 CNK_MESH_FACE, // has three CNK_INT chunks
67 // children of CNK_LIGHT
68 CNK_LIGHT_NAME, // has a single CNK_STRING
69 CNK_LIGHT_POS, // has a single CNK_FLOAT3
70 CNK_LIGHT_COLOR, // has a single CNK_FLOAT3
71 CNK_LIGHT_ATTEN, // has a single CNK_FLOAT3 (constant, linear, squared attenuation)
72 CNK_LIGHT_DISTANCE, // has a single CNK_FLOAT
73 CNK_LIGHT_DIR, // a single CNK_FLOAT3 (for spotlights and dir-lights)
74 CNK_LIGHT_CONE_INNER, // single CNK_FLOAT, inner cone angle (for spotlights)
75 CNK_LIGHT_CONE_OUTER, // single CNK_FLOAT, outer cone angle (for spotlights)
77 // children of CNK_CAMERA
78 CNK_CAMERA_NAME, // has a single CNK_STRING
79 CNK_CAMERA_POS, // single CNK_FLOAT3
80 CNK_CAMERA_TARGET, // single CNK_FLOAT3
81 CNK_CAMERA_FOV, // single CNK_FLOAT (field of view in radians)
82 CNK_CAMERA_NEARCLIP, // single CNK_FLOAT (near clipping plane distance)
83 CNK_CAMERA_FARCLIP, // signle CNK_FLOAT (far clipping plane distance)
85 // children of CNK_NODE
86 CNK_NODE_NAME, // node name, a single CNK_STRING
87 CNK_NODE_PARENT, // it can have a CNK_INT or a CNK_STRING to identify the parent node
89 CNK_NODE_MESH, // it can have a CNK_INT or a CNK_STRING to identify this node's mesh
90 CNK_NODE_LIGHT, // same as CNK_NODE_MESH
91 CNK_NODE_CAMERA, // same as CNK_NODE_MESH
93 CNK_NODE_POS, // has a CNK_VEC3, position vector
94 CNK_NODE_ROT, // has a CNK_VEC4, rotation quaternion (x, y, z imaginary, w real)
95 CNK_NODE_SCALE, // has a CNK_VEC3, scaling
96 CNK_NODE_PIVOT, // has a CNK_VEC3, pivot point
98 CNK_NODE_MATRIX0, // has a CNK_VEC4, first matrix row (4x3)
99 CNK_NODE_MATRXI1, // has a CNK_VEC4, second matrix row (4x3)
100 CNK_NODE_MATRIX2, // has a CNK_VEC4, third matrix row (4x3)
102 MAX_NUM_CHUNKS
103 };
105 #define UNKNOWN_SIZE ((uint32_t)0xbaadf00d)
107 struct ChunkHeader {
108 uint32_t id;
109 uint32_t size;
110 };
112 struct Chunk {
113 ChunkHeader hdr;
114 char data[1];
115 };
119 #endif // CHUNK_H_