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/* Copyright (c) 1998 Silicon Graphics, Inc. */ |
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/* SCCSid "$SunId$ SGI" */ |
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/* RCSid: $Id$ */ |
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/* |
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* Header file for object display routines for rholo drivers. |
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*/ |
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#ifndef _RAD_RHDOBJ_H_ |
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#define _RAD_RHDOBJ_H_ |
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#ifdef __cplusplus |
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extern "C" { |
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#endif |
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/* additional user commands */ |
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#define DO_LOAD 0 /* load octree object */ |
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#define DO_UNLOAD 1 /* unload (free) octree object */ |
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dobj_command(cmd, args) : check/run object display command |
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char *cmd, *args; : command name and argument string |
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Check to see if this is an object display command, and return the command |
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number after running it if it is, or -1 if it isn't. Error messages should |
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Check to see if this is an object display command, and return -1 if |
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it isn't. If it is a valid command that results in some visible |
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change, return non-zero, otherwise return 0. Error messages should |
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be printed with error(COMMAND,err). |
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then all visible objects are checked, but the name is not returned. |
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void |
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int |
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dobj_render() : render visible objects to OpenGL |
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Renders all display objects using OpenGL, assuming desired view has |
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been set. This routine also assumes that the tone-mapping library |
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is being used to set exposure, and it queries this information to |
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adjust light sources as necessary for illuminated objects. |
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adjust light sources as necessary for illuminated objects. Returns |
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the number of objects rendered. |
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void |
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******************************************************************/ |
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extern double dobj_trace(); |
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– |
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extern char rhdcmd[DO_NCMDS][8]; |
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extern int (*dobj_lightsamp)(); /* pointer to function to get lights */ |
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/* pointer to function to get lights */ |
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extern void (*dobj_lightsamp)(COLR clr, FVECT direc, FVECT pos); |
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extern int dobj_cleanup(void); |
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extern int dobj_command(char *cmd, register char *args); |
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extern int dobj_render(void); |
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extern double dobj_trace(char nm[], FVECT rorg, FVECT rdir); |
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extern int dobj_load(char *oct, char *nam); |
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extern int dobj_unload(char *nam); |
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extern int dobj_xform(char *nam, int rel, int ac, char **av); |
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extern int dobj_putstats(char *nam, FILE *fp); |
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extern int dobj_unmove(void); |
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extern int dobj_dup(char *oldnm, char *nam); |
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extern int dobj_lighting(char *nam, int cn); |
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#ifdef __cplusplus |
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} |
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#endif |
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#endif /* _RAD_RHDOBJ_H_ */ |
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