nuclear@1: #ifndef CHUNK_H_
nuclear@1: #define CHUNK_H_
nuclear@1: 
nuclear@1: enum {
nuclear@1: 	CNK_INVALID,		// this shouldn't appear in files
nuclear@1: 	CNK_SCENE,			// the root chunk
nuclear@1: 
nuclear@1: 	// general purpose chunks
nuclear@1: 	CNK_INT,
nuclear@1: 	CNK_UINT,
nuclear@1: 	CNK_FLOAT,
nuclear@1: 	CNK_VEC3,
nuclear@1: 	CNK_VEC4,
nuclear@1: 	CNK_STRING,
nuclear@1: 
nuclear@1: 	// --- first level chunks ---
nuclear@1: 	// children of CNK_SCENE
nuclear@1: 	CNK_ENV,			// environmental parameters
nuclear@1: 	CNK_MTL_LIST,		// material library
nuclear@1: 	CNK_MESH_LIST,		// all the meshes hang under this chunk
nuclear@1: 	CNK_LIGHT_LIST,		// likewise for lights
nuclear@1: 	CNK_CAMERA_LIST,	// likewise for cameras
nuclear@1: 	CNK_NODE_LIST,		// likewise for nodes
nuclear@1: 	CNK_ANIM_LIST,		// all animations
nuclear@1: 
nuclear@1: 	// --- second level chunks ---
nuclear@1: 	// children of CNK_ENV
nuclear@1: 	CNK_ENV_AMBIENT,	// ambient color, contains a single CNK_VEC3
nuclear@1: 	CNK_ENV_FOG,
nuclear@1: 
nuclear@1: 	// children of CNK_*_LIST
nuclear@1: 	CNK_MTL,
nuclear@1: 	CNK_MESH,
nuclear@1: 	CNK_LIGHT,
nuclear@1: 	CNK_CAMERA,
nuclear@1: 	CNK_NODE,
nuclear@1: 
nuclear@1: 	// --- third level chunks ---
nuclear@1: 	// children of CNK_FOG
nuclear@1: 	CNK_FOG_COLOR,		// fog color, contains a single CNK_VEC3
nuclear@1: 	CNK_FOG_EXP,		// fog exponent, contains a single CNK_REAL
nuclear@1: 
nuclear@1: 	// children of CNK_MTL
nuclear@1: 	CNK_MTL_ATTR,		// material attribute, has a CNK_STRING for its name,
nuclear@1: 						// a CNK_MTL_ATTR_VAL, and optionally a CNK_MTL_ATTR_MAP
nuclear@1: 	// children of CNK_MTL_ATTR
nuclear@1: 	CNK_MTL_ATTR_VAL,	// can have a single CNK_FLOAT, CNK_VEC3, or CNK_VEC4
nuclear@1: 	CNK_MTL_ATTR_MAP,	// has a single CNK_STRING
nuclear@1: 
nuclear@1: 	// children of CNK_MESH
nuclear@1: 	// TODO...
nuclear@1: };
nuclear@1: 
nuclear@1: struct ChunkHeader {
nuclear@1: 	uint32_t id;
nuclear@1: 	uint32_t size;
nuclear@1: };
nuclear@1: 
nuclear@1: struct Chunk {
nuclear@1: 	ChunkHeader hdr;
nuclear@1: 	char data[1];
nuclear@1: };
nuclear@1: 
nuclear@1: #endif	// CHUNK_H_