goat3d

annotate src/chunk.h @ 8:cd71f0b92f44

find changesets by author, revision, files, or words in the commit message
a bit more...
author John Tsiombikas <nuclear@member.fsf.org>
date Wed, 21 Aug 2013 05:52:28 +0300
parents f358b482d286
children 04bb114fcf05
rev   line source
nuclear@1 1 #ifndef CHUNK_H_
nuclear@1 2 #define CHUNK_H_
nuclear@1 3
nuclear@1 4 enum {
nuclear@1 5 CNK_INVALID, // this shouldn't appear in files
nuclear@1 6 CNK_SCENE, // the root chunk
nuclear@1 7
nuclear@1 8 // general purpose chunks
nuclear@1 9 CNK_INT,
nuclear@2 10 CNK_INT4,
nuclear@1 11 CNK_FLOAT,
nuclear@2 12 CNK_FLOAT3,
nuclear@2 13 CNK_FLOAT4,
nuclear@1 14 CNK_STRING,
nuclear@1 15
nuclear@1 16 // --- first level chunks ---
nuclear@1 17 // children of CNK_SCENE
nuclear@1 18 CNK_ENV, // environmental parameters
nuclear@1 19 CNK_MTL_LIST, // material library
nuclear@1 20 CNK_MESH_LIST, // all the meshes hang under this chunk
nuclear@1 21 CNK_LIGHT_LIST, // likewise for lights
nuclear@1 22 CNK_CAMERA_LIST, // likewise for cameras
nuclear@1 23 CNK_NODE_LIST, // likewise for nodes
nuclear@1 24
nuclear@1 25 // --- second level chunks ---
nuclear@1 26 // children of CNK_ENV
nuclear@2 27 CNK_ENV_AMBIENT, // ambient color, contains a single CNK_FLOAT3
nuclear@1 28 CNK_ENV_FOG,
nuclear@1 29
nuclear@1 30 // children of CNK_*_LIST
nuclear@1 31 CNK_MTL,
nuclear@1 32 CNK_MESH,
nuclear@1 33 CNK_LIGHT,
nuclear@1 34 CNK_CAMERA,
nuclear@1 35 CNK_NODE,
nuclear@1 36
nuclear@1 37 // --- third level chunks ---
nuclear@1 38 // children of CNK_FOG
nuclear@2 39 CNK_FOG_COLOR, // fog color, contains a single CNK_FLOAT3
nuclear@1 40 CNK_FOG_EXP, // fog exponent, contains a single CNK_REAL
nuclear@1 41
nuclear@1 42 // children of CNK_MTL
nuclear@1 43 CNK_MTL_ATTR, // material attribute, has a CNK_STRING for its name,
nuclear@1 44 // a CNK_MTL_ATTR_VAL, and optionally a CNK_MTL_ATTR_MAP
nuclear@1 45 // children of CNK_MTL_ATTR
nuclear@2 46 CNK_MTL_ATTR_VAL, // can have a single CNK_FLOAT, CNK_FLOAT3, or CNK_FLOAT4
nuclear@1 47 CNK_MTL_ATTR_MAP, // has a single CNK_STRING
nuclear@1 48
nuclear@1 49 // children of CNK_MESH
nuclear@2 50 CNK_MESH_NAME, // has a single CNK_STRING
nuclear@2 51 CNK_MESH_MATERIAL, // has one of CNK_STRING or CNK_INT to identify the material
nuclear@2 52 CNK_MESH_VERTEX_LIST, // has a series of CNK_FLOAT3 chunks
nuclear@2 53 CNK_MESH_NORMAL_LIST, // has a series of CNK_FLOAT3 chunks
nuclear@2 54 CNK_MESH_TANGENT_LIST, // has a series of CNK_FLOAT3 chunks
nuclear@2 55 CNK_MESH_TEXCOORD_LIST, // has a series of CNK_FLOAT3 chunks
nuclear@2 56 CNK_MESH_SKINWEIGHT_LIST, // has a series of CNK_FLOAT4 chunks (4 skin weights)
nuclear@2 57 CNK_MESH_SKINMATRIX_LIST, // has a series of CNK_INT4 chunks (4 matrix indices)
nuclear@2 58 CNK_MESH_COLOR_LIST, // has a series of CNK_FLOAT4 chunks
nuclear@2 59 CNK_MESH_BONES_LIST, // has a series of CNK_INT or CNK_STRING chunks identifying the bone nodes
nuclear@8 60 CNK_MESH_FACE_LIST, // has a series of CNK_FACE chunks
nuclear@8 61
nuclear@8 62 // child of CNK_MESH_FACE_LIST
nuclear@8 63 CNK_MESH_FACE, // has three CNK_INT chunks
nuclear@2 64
nuclear@2 65 // children of CNK_LIGHT
nuclear@2 66 CNK_LIGHT_NAME, // has a single CNK_STRING
nuclear@2 67 CNK_LIGHT_POS, // has a single CNK_FLOAT3
nuclear@2 68 CNK_LIGHT_COLOR, // has a single CNK_FLOAT3
nuclear@2 69 CNK_LIGHT_ATTEN, // has a single CNK_FLOAT3 (constant, linear, squared attenuation)
nuclear@2 70 CNK_LIGHT_DISTANCE, // has a single CNK_FLOAT
nuclear@2 71 CNK_LIGHT_DIR, // a single CNK_FLOAT3 (for spotlights and dir-lights)
nuclear@2 72 CNK_LIGHT_CONE_INNER, // single CNK_FLOAT, inner cone angle (for spotlights)
nuclear@2 73 CNK_LIGHT_CONE_OUTER, // single CNK_FLOAT, outer cone angle (for spotlights)
nuclear@2 74
nuclear@2 75 // children of CNK_CAMERA
nuclear@2 76 CNK_CAMERA_NAME, // has a single CNK_STRING
nuclear@2 77 CNK_CAMERA_POS, // single CNK_FLOAT3
nuclear@2 78 CNK_CAMERA_TARGET, // single CNK_FLOAT3
nuclear@2 79 CNK_CAMERA_FOV, // single CNK_FLOAT (field of view in radians)
nuclear@2 80 CNK_CAMERA_NEARCLIP, // single CNK_FLOAT (near clipping plane distance)
nuclear@2 81 CNK_CAMERA_FARCLIP, // signle CNK_FLOAT (far clipping plane distance)
nuclear@2 82
nuclear@2 83 // children of CNK_NODE
nuclear@2 84 CNK_NODE_NAME, // node name, a single CNK_STRING
nuclear@2 85 CNK_NODE_PARENT, // it can have a CNK_INT or a CNK_STRING to identify the parent node
nuclear@2 86
nuclear@2 87 CNK_NODE_MESH, // it can have a CNK_INT or a CNK_STRING to identify this node's mesh
nuclear@2 88 CNK_NODE_LIGHT, // same as CNK_NODE_MESH
nuclear@2 89 CNK_NODE_CAMERA, // same as CNK_NODE_MESH
nuclear@2 90
nuclear@2 91 CNK_NODE_POS, // has a CNK_VEC3, position vector
nuclear@2 92 CNK_NODE_ROT, // has a CNK_VEC4, rotation quaternion (x, y, z imaginary, w real)
nuclear@2 93 CNK_NODE_SCALE, // has a CNK_VEC3, scaling
nuclear@2 94 CNK_NODE_PIVOT, // has a CNK_VEC3, pivot point
nuclear@2 95
nuclear@2 96 CNK_NODE_MATRIX0, // has a CNK_VEC4, first matrix row (4x3)
nuclear@2 97 CNK_NODE_MATRXI1, // has a CNK_VEC4, second matrix row (4x3)
nuclear@2 98 CNK_NODE_MATRIX2, // has a CNK_VEC4, third matrix row (4x3)
nuclear@2 99
nuclear@2 100 MAX_NUM_CHUNKS
nuclear@1 101 };
nuclear@1 102
nuclear@1 103 struct ChunkHeader {
nuclear@1 104 uint32_t id;
nuclear@1 105 uint32_t size;
nuclear@1 106 };
nuclear@1 107
nuclear@1 108 struct Chunk {
nuclear@1 109 ChunkHeader hdr;
nuclear@1 110 char data[1];
nuclear@1 111 };
nuclear@1 112
nuclear@1 113 #endif // CHUNK_H_