src/rt/otspecial.h

/* RCSid $Id: otspecial.h,v 2.11 2024/12/09 00:44:29 greg Exp $ */
/*
 * Special type flags for objects used in rendering.
 * Depends on definitions in otypes.h
 */
#ifndef _RAD_OTSPECIAL_H_
#define _RAD_OTSPECIAL_H_

#ifdef __cplusplus
extern "C" {
#endif
                /* test for nominally transparent materials */
#define  T_TRANSP       T_SP1
#define  istransp(m)    (ofun[(m)->otype].flags & T_TRANSP || \
                          (((m)->otype==MAT_WGMDF) & ((m)->oargs.nsargs > 5) \
                                && strcmp((m)->oargs.sarg[5], "0")) || \
                          (((m)->otype==MAT_BRTDF) & ((m)->oargs.nsargs > 5) \
                                && strcmp((m)->oargs.sarg[3], "0") | \
                                   strcmp((m)->oargs.sarg[4], "0") | \
                                   strcmp((m)->oargs.sarg[5], "0")))

                /* test for opaque (SHADOW) materials */
#define  T_OPAQUE       T_SP2
#define  isopaque(m)    (ofun[(m)->otype].flags & T_OPAQUE || \
                          (((m)->otype==MAT_WGMDF) & ((m)->oargs.nsargs > 5) \
                                && !strcmp((m)->oargs.sarg[5], "0")) || \
                          (((m)->otype==MAT_BRTDF) & ((m)->oargs.nsargs > 5) \
                                && !strcmp((m)->oargs.sarg[3], "0") & \
                                   !strcmp((m)->oargs.sarg[4], "0") & \
                                   !strcmp((m)->oargs.sarg[5], "0")))

                /* test if we have a BSDF proxy surface */
#define isBSDFproxy(m)  (((m)->otype==MAT_BSDF) & ((m)->oargs.nsargs > 0) \
                                && strcmp((m)->oargs.sarg[0], "0"))

                /* defined in initotypes.c */
extern OBJREC   *findmaterial(OBJREC *o);

#ifdef __cplusplus
}
#endif

#endif /* _RAD_OTSPECIAL_H_ */
Revision:	2.12
Committed:	Thu May 29 16:42:28 2025 UTC (5 days, 9 hours ago) by greg
Content type:	text/plain
Branch:	MAIN
CVS Tags:	HEAD
Changes since 2.11:	+12 -4 lines
Log Message:	fix: Updated behavior of "mirror" type to handle indirect transmission, thanks to Jon Sargent
#	User	Rev	Content
1	greg	2.12	/* RCSid $Id: otspecial.h,v 2.11 2024/12/09 00:44:29 greg Exp $ */
2	greg	1.1	/*
3			* Special type flags for objects used in rendering.
4			* Depends on definitions in otypes.h
5	greg	2.2	*/
6	schorsch	2.4	#ifndef _RAD_OTSPECIAL_H_
7			#define _RAD_OTSPECIAL_H_
8	greg	2.11
9	schorsch	2.4	#ifdef __cplusplus
10			extern "C" {
11			#endif
12	greg	2.11	/* test for nominally transparent materials */
13	greg	2.8	#define T_TRANSP T_SP1
14	greg	2.11	#define istransp(m) (ofun[(m)->otype].flags & T_TRANSP \|\| \
15			(((m)->otype==MAT_WGMDF) & ((m)->oargs.nsargs > 5) \
16	greg	2.12	&& strcmp((m)->oargs.sarg[5], "0")) \|\| \
17			(((m)->otype==MAT_BRTDF) & ((m)->oargs.nsargs > 5) \
18			&& strcmp((m)->oargs.sarg[3], "0") \| \
19			strcmp((m)->oargs.sarg[4], "0") \| \
20			strcmp((m)->oargs.sarg[5], "0")))
21	greg	2.6
22	greg	2.12	/* test for opaque (SHADOW) materials */
23	greg	2.6	#define T_OPAQUE T_SP2
24	greg	2.11	#define isopaque(m) (ofun[(m)->otype].flags & T_OPAQUE \|\| \
25			(((m)->otype==MAT_WGMDF) & ((m)->oargs.nsargs > 5) \
26	greg	2.12	&& !strcmp((m)->oargs.sarg[5], "0")) \|\| \
27			(((m)->otype==MAT_BRTDF) & ((m)->oargs.nsargs > 5) \
28			&& !strcmp((m)->oargs.sarg[3], "0") & \
29			!strcmp((m)->oargs.sarg[4], "0") & \
30			!strcmp((m)->oargs.sarg[5], "0")))
31	greg	2.7
32	greg	2.8	/* test if we have a BSDF proxy surface */
33	greg	2.11	#define isBSDFproxy(m) (((m)->otype==MAT_BSDF) & ((m)->oargs.nsargs > 0) \
34			&& strcmp((m)->oargs.sarg[0], "0"))
35	schorsch	2.4
36	greg	2.9	/* defined in initotypes.c */
37			extern OBJREC findmaterial(OBJREC o);
38
39	schorsch	2.4	#ifdef __cplusplus
40			}
41			#endif
42	greg	2.11
43	schorsch	2.4	#endif /* _RAD_OTSPECIAL_H_ */