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/* RCSid $Id: otspecial.h,v 2.11 2024/12/09 00:44:29 greg Exp $ */
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/*
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* Special type flags for objects used in rendering.
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* Depends on definitions in otypes.h
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*/
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#ifndef _RAD_OTSPECIAL_H_
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#define _RAD_OTSPECIAL_H_
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#ifdef __cplusplus
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extern "C" {
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#endif
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/* test for nominally transparent materials */
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#define T_TRANSP T_SP1
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#define istransp(m) (ofun[(m)->otype].flags & T_TRANSP || \
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(((m)->otype==MAT_WGMDF) & ((m)->oargs.nsargs > 5) \
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&& strcmp((m)->oargs.sarg[5], "0")) || \
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(((m)->otype==MAT_BRTDF) & ((m)->oargs.nsargs > 5) \
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&& strcmp((m)->oargs.sarg[3], "0") | \
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strcmp((m)->oargs.sarg[4], "0") | \
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strcmp((m)->oargs.sarg[5], "0")))
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/* test for opaque (SHADOW) materials */
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#define T_OPAQUE T_SP2
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#define isopaque(m) (ofun[(m)->otype].flags & T_OPAQUE || \
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(((m)->otype==MAT_WGMDF) & ((m)->oargs.nsargs > 5) \
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&& !strcmp((m)->oargs.sarg[5], "0")) || \
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(((m)->otype==MAT_BRTDF) & ((m)->oargs.nsargs > 5) \
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&& !strcmp((m)->oargs.sarg[3], "0") & \
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!strcmp((m)->oargs.sarg[4], "0") & \
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!strcmp((m)->oargs.sarg[5], "0")))
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/* test if we have a BSDF proxy surface */
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#define isBSDFproxy(m) (((m)->otype==MAT_BSDF) & ((m)->oargs.nsargs > 0) \
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&& strcmp((m)->oargs.sarg[0], "0"))
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/* defined in initotypes.c */
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extern OBJREC *findmaterial(OBJREC *o);
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#ifdef __cplusplus
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}
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#endif
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#endif /* _RAD_OTSPECIAL_H_ */
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