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Comparing ray/src/rt/ambient.h (file contents):
Revision 2.22 by greg, Wed May 7 01:16:03 2014 UTC vs.
Revision 2.24 by greg, Thu May 21 12:25:53 2015 UTC

# Line 11 | Line 11
11   extern "C" {
12   #endif
13  
14 < #ifdef NEWAMB
14 > #ifndef OLDAMB
15  
16   /*
17   * Normal and u-vector directions encoded using dircode.c
# Line 22 | Line 22 | typedef struct ambrec {
22          float  pos[3];          /* position in space */
23          int32  ndir;            /* encoded surface normal */
24          int32  udir;            /* u-vector direction */
25 <        int  lvl;               /* recursion level of parent ray */
25 >        short  lvl;             /* recursion level of parent ray */
26          float  weight;          /* weight of parent ray */
27          float  rad[2];          /* anisotropic radii (rad[0] <= rad[1]) */
28          COLOR  val;             /* computed ambient value */
# Line 78 | Line 78 | typedef struct ambrec {
78          unsigned long  latick;  /* last accessed tick */
79          float  pos[3];          /* position in space */
80          float  dir[3];          /* normal direction */
81 <        int    lvl;             /* recursion level of parent ray */
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 */

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