/**********************************************************************

 *<

	FILE: channel.h



	DESCRIPTION:



	CREATED BY: Dan Silva



	HISTORY:



 *>	Copyright (c) 1994, All Rights Reserved.

 **********************************************************************/







#ifndef __CHANNEL__H

#define __CHANNEL__H





// Channels within the object.

#define NUM_OBJ_CHANS 7



// Indices for object channels

#define TOPO_CHAN_NUM 0

#define GEOM_CHAN_NUM 1

#define TEXMAP_CHAN_NUM 2

#define MTL_CHAN_NUM 3

#define SELECT_CHAN_NUM 4

#define SUBSEL_TYPE_CHAN_NUM 5 

#define DISP_ATTRIB_CHAN_NUM 6 



// Bit flags for object channels

#define TOPO_CHANNEL    	(1<<0) // topology (faces, polygons etc)

#define GEOM_CHANNEL    	(1<<1) // vertices

#define TEXMAP_CHANNEL  	(1<<2) // texture vertices and mapping

#define MTL_CHANNEL     	(1<<3) // material on per face basis

#define SELECT_CHANNEL  	(1<<4) // selection bits

#define SUBSEL_TYPE_CHANNEL (1<<5) // vertex/face/edge

#define DISP_ATTRIB_CHANNEL (1<<6) // display attributes



#define TM_CHANNEL		(1<<7)  // Object transform (may be modified by modifiers)

#define GLOBMTL_CHANNEL (1<<8)  // material applied to object as whole



#define OBJ_CHANNELS  (TOPO_CHANNEL|GEOM_CHANNEL|SELECT_CHANNEL|TEXMAP_CHANNEL|MTL_CHANNEL|SUBSEL_TYPE_CHANNEL|DISP_ATTRIB_CHANNEL)

#define ALL_CHANNELS  (OBJ_CHANNELS|TM_CHANNEL|GLOBMTL_CHANNEL)





#endif // __CHANNEL__H