ViewVC Help

View File | Revision Log | Show Annotations | Download File | Root Listing

root/Development/ray/src/rt/ambient.h

Comparing ray/src/rt/ambient.h (file contents):
Revision 2.24 by greg, Thu May 21 12:25:53 2015 UTC vs.
Revision 2.26 by greg, Mon Mar 7 17:52:14 2022 UTC

#	Line 11 | Line 11
11		extern "C" {
12		#endif
13
14	–	#ifndef OLDAMB
15	–
14		/*
15		* Normal and u-vector directions encoded using dircode.c
16		*/
17		typedef struct ambrec {
18		struct ambrec  *next;   /* next in list */
21	–	unsigned long  latick;  /* last accessed tick */
19		float  pos[3];          /* position in space */
20		int32  ndir;            /* encoded surface normal */
21		int32  udir;            /* u-vector direction */
#	Line 65 | Line 62 | extern int     hasambmagic(FILE *fp);
62		extern int      writambval(AMBVAL *av, FILE *fp);
63		extern int      readambval(AMBVAL *av, FILE *fp);
64		extern int      ambvalOK(AMBVAL *av);
68	–
69	–	#else /* ! NEWAMB */
70	–
71	–	/*
72	–	* Since we've defined our vectors as float below to save space,
73	–	* watch out for changes in the definitions of VCOPY() and DOT()
74	–	* and don't pass these vectors to fvect routines.
75	–	*/
76	–	typedef struct ambrec {
77	–	struct ambrec  *next;   /* next in list */
78	–	unsigned long  latick;  /* last accessed tick */
79	–	float  pos[3];          /* position in space */
80	–	float  dir[3];          /* normal direction */
81	–	short  lvl;             /* recursion level of parent ray */
82	–	float  weight;          /* weight of parent ray */
83	–	float  rad;             /* validity radius */
84	–	COLOR  val;             /* computed ambient value */
85	–	float  gpos[3];         /* gradient wrt. position */
86	–	float  gdir[3];         /* gradient wrt. direction */
87	–	}  AMBVAL;                      /* ambient value */
88	–
89	–	typedef struct ambtree {
90	–	AMBVAL  *alist;         /* ambient value list */
91	–	struct ambtree  *kid;   /* 8 child nodes */
92	–	}  AMBTREE;                     /* ambient octree */
93	–
94	–	typedef struct {
95	–	COLOR  v;               /* division sum (partial) */
96	–	float  r;               /* 1/distance sum */
97	–	float  k;               /* variance for this division */
98	–	int    n;               /* number of subsamples */
99	–	unsigned short  t, p;   /* theta, phi indices */
100	–	}  AMBSAMP;             /* ambient sample division */
101	–
102	–	typedef struct {
103	–	FVECT  ux, uy, uz;      /* x, y and z axis directions */
104	–	COLOR  acoef;           /* division contribution coefficient */
105	–	int    ns;              /* number of super-samples */
106	–	int    nt, np;          /* number of theta and phi directions */
107	–	}  AMBHEMI;             /* ambient sample hemisphere */
108	–
109	–	extern double  maxarad;         /* maximum ambient radius */
110	–	extern double  minarad;         /* minimum ambient radius */
111	–
112	–	#ifndef AVGREFL
113	–	#define  AVGREFL        0.5     /* assumed average reflectance */
114	–	#endif
115	–
116	–	#define  AMBVALSIZ      75      /* number of bytes in portable AMBVAL struct */
117	–	#define  AMBMAGIC       557     /* magic number for ambient value files */
118	–	#define  AMBFMT         "Radiance_ambval"       /* format id string */
119	–
120	–	/* defined in ambient.c */
121	–	extern void     setambres(int ar);
122	–	extern void     setambacc(double newa);
123	–	extern void     setambient(void);
124	–	extern void     multambient(COLOR aval, RAY *r, FVECT nrm);
125	–	extern void     ambdone(void);
126	–	extern void     ambnotify(OBJECT obj);
127	–	extern int      ambsync(void);
128	–	/* defined in ambcomp.c */
129	–	extern double   doambient(COLOR acol, RAY *r, double wt,
130	–	FVECT pg, FVECT dg);
131	–	extern void     inithemi(AMBHEMI *hp, COLOR ac, RAY *r, double wt);
132	–	extern int      divsample(AMBSAMP *dp, AMBHEMI *h, RAY *r);
133	–	extern void     comperrs(AMBSAMP *da, AMBHEMI *hp);
134	–	extern void     posgradient(FVECT gv, AMBSAMP *da, AMBHEMI *hp);
135	–	extern void     dirgradient(FVECT gv, AMBSAMP *da, AMBHEMI *hp);
136	–	/* defined in ambio.c */
137	–	extern void     putambmagic(FILE *fp);
138	–	extern int      hasambmagic(FILE *fp);
139	–	extern int      writambval(AMBVAL *av, FILE *fp);
140	–	extern int      ambvalOK(AMBVAL *av);
141	–	extern int      readambval(AMBVAL *av, FILE *fp);
142	–
143	–	#endif  /* ! NEWAMB */
65
66		#ifdef __cplusplus
67		}

Diff Legend

–	Removed lines
+	Added lines
<	Changed lines (old)
>	Changed lines (new)