1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/src/chunk.h	Sat Aug 17 23:51:24 2013 +0300
     1.3 @@ -0,0 +1,64 @@
     1.4 +#ifndef CHUNK_H_
     1.5 +#define CHUNK_H_
     1.6 +
     1.7 +enum {
     1.8 +	CNK_INVALID,		// this shouldn't appear in files
     1.9 +	CNK_SCENE,			// the root chunk
    1.10 +
    1.11 +	// general purpose chunks
    1.12 +	CNK_INT,
    1.13 +	CNK_UINT,
    1.14 +	CNK_FLOAT,
    1.15 +	CNK_VEC3,
    1.16 +	CNK_VEC4,
    1.17 +	CNK_STRING,
    1.18 +
    1.19 +	// --- first level chunks ---
    1.20 +	// children of CNK_SCENE
    1.21 +	CNK_ENV,			// environmental parameters
    1.22 +	CNK_MTL_LIST,		// material library
    1.23 +	CNK_MESH_LIST,		// all the meshes hang under this chunk
    1.24 +	CNK_LIGHT_LIST,		// likewise for lights
    1.25 +	CNK_CAMERA_LIST,	// likewise for cameras
    1.26 +	CNK_NODE_LIST,		// likewise for nodes
    1.27 +	CNK_ANIM_LIST,		// all animations
    1.28 +
    1.29 +	// --- second level chunks ---
    1.30 +	// children of CNK_ENV
    1.31 +	CNK_ENV_AMBIENT,	// ambient color, contains a single CNK_VEC3
    1.32 +	CNK_ENV_FOG,
    1.33 +
    1.34 +	// children of CNK_*_LIST
    1.35 +	CNK_MTL,
    1.36 +	CNK_MESH,
    1.37 +	CNK_LIGHT,
    1.38 +	CNK_CAMERA,
    1.39 +	CNK_NODE,
    1.40 +
    1.41 +	// --- third level chunks ---
    1.42 +	// children of CNK_FOG
    1.43 +	CNK_FOG_COLOR,		// fog color, contains a single CNK_VEC3
    1.44 +	CNK_FOG_EXP,		// fog exponent, contains a single CNK_REAL
    1.45 +
    1.46 +	// children of CNK_MTL
    1.47 +	CNK_MTL_ATTR,		// material attribute, has a CNK_STRING for its name,
    1.48 +						// a CNK_MTL_ATTR_VAL, and optionally a CNK_MTL_ATTR_MAP
    1.49 +	// children of CNK_MTL_ATTR
    1.50 +	CNK_MTL_ATTR_VAL,	// can have a single CNK_FLOAT, CNK_VEC3, or CNK_VEC4
    1.51 +	CNK_MTL_ATTR_MAP,	// has a single CNK_STRING
    1.52 +
    1.53 +	// children of CNK_MESH
    1.54 +	// TODO...
    1.55 +};
    1.56 +
    1.57 +struct ChunkHeader {
    1.58 +	uint32_t id;
    1.59 +	uint32_t size;
    1.60 +};
    1.61 +
    1.62 +struct Chunk {
    1.63 +	ChunkHeader hdr;
    1.64 +	char data[1];
    1.65 +};
    1.66 +
    1.67 +#endif	// CHUNK_H_