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+--------+-------------------------+-------------------------+--------+--------+
|00000000| 00 05 52 41 59 2e 43 00 | 00 00 00 00 00 00 00 00 |..RAY.C.|........|
|00000010| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000020| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000030| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000040| 00 54 45 58 54 4d 50 53 | 20 01 00 00 00 00 00 00 |.TEXTMPS| .......|
|00000050| 00 00 00 00 00 0c 27 00 | 00 01 ac a8 7e 02 d8 a8 |......'.|....~...|
|00000060| 7e 02 d8 00 00 08 00 00 | 00 00 00 00 00 00 00 00 |~.......|........|
|00000070| 00 00 00 00 00 00 00 00 | 00 00 81 81 55 84 00 00 |........|....U...|
|00000080| 2f 2a 2a 2a 2a 2a 2a 2a | 2a 2a 2a 2a 2a 2a 2a 2a |/*******|********|
|00000090| 2a 2a 2a 2a 2a 2a 2a 2a | 2a 2a 2a 2a 2a 2a 2a 2a |********|********|
|000000a0| 2a 2a 2a 2a 2a 2a 2a 2a | 2a 2a 2a 2a 2a 2a 2a 2a |********|********|
|000000b0| 2a 2a 2a 2a 2a 2a 2a 2a | 2a 2a 2a 2a 2a 2a 2a 2a |********|********|
|000000c0| 2a 2a 2a 2a 2a 2a 2a 2a | 2a 2a 2a 2a 2a 0d 2a 20 |********|*****.* |
|000000d0| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 72 |        |       r|
|000000e0| 61 79 2e 63 0d 2a 0d 2a | 20 20 54 68 69 73 20 6d |ay.c.*.*|  This m|
|000000f0| 6f 64 75 6c 65 20 69 6d | 70 6c 65 6d 65 6e 74 73 |odule im|plements|
|00000100| 20 74 68 65 20 63 6f 64 | 65 20 70 65 72 74 61 69 | the cod|e pertai|
|00000110| 6e 69 6e 67 20 74 6f 20 | 72 61 79 73 2e 0d 2a 0d |ning to |rays..*.|
|00000120| 2a 20 20 66 72 6f 6d 20 | 50 65 72 73 69 73 74 65 |*  from |Persiste|
|00000130| 6e 63 65 20 6f 66 20 56 | 69 73 69 6f 6e 20 52 61 |nce of V|ision Ra|
|00000140| 79 74 72 61 63 65 72 0d | 2a 20 20 43 6f 70 79 72 |ytracer.|*  Copyr|
|00000150| 69 67 68 74 20 31 39 39 | 33 20 50 65 72 73 69 73 |ight 199|3 Persis|
|00000160| 74 65 6e 63 65 20 6f 66 | 20 56 69 73 69 6f 6e 20 |tence of| Vision |
|00000170| 54 65 61 6d 0d 2a 2d 2d | 2d 2d 2d 2d 2d 2d 2d 2d |Team.*--|--------|
|00000180| 2d 2d 2d 2d 2d 2d 2d 2d | 2d 2d 2d 2d 2d 2d 2d 2d |--------|--------|
|00000190| 2d 2d 2d 2d 2d 2d 2d 2d | 2d 2d 2d 2d 2d 2d 2d 2d |--------|--------|
|000001a0| 2d 2d 2d 2d 2d 2d 2d 2d | 2d 2d 2d 2d 2d 2d 2d 2d |--------|--------|
|000001b0| 2d 2d 2d 2d 2d 2d 2d 2d | 2d 2d 2d 2d 2d 2d 2d 2d |--------|--------|
|000001c0| 2d 0d 2a 20 20 4e 4f 54 | 49 43 45 3a 20 54 68 69 |-.*  NOT|ICE: Thi|
|000001d0| 73 20 73 6f 75 72 63 65 | 20 63 6f 64 65 20 66 69 |s source| code fi|
|000001e0| 6c 65 20 69 73 20 70 72 | 6f 76 69 64 65 64 20 73 |le is pr|ovided s|
|000001f0| 6f 20 74 68 61 74 20 75 | 73 65 72 73 20 6d 61 79 |o that u|sers may|
|00000200| 20 65 78 70 65 72 69 6d | 65 6e 74 0d 2a 20 20 77 | experim|ent.*  w|
|00000210| 69 74 68 20 65 6e 68 61 | 6e 63 65 6d 65 6e 74 73 |ith enha|ncements|
|00000220| 20 74 6f 20 50 4f 56 2d | 52 61 79 20 61 6e 64 20 | to POV-|Ray and |
|00000230| 74 6f 20 70 6f 72 74 20 | 74 68 65 20 73 6f 66 74 |to port |the soft|
|00000240| 77 61 72 65 20 74 6f 20 | 70 6c 61 74 66 6f 72 6d |ware to |platform|
|00000250| 73 20 6f 74 68 65 72 20 | 0d 2a 20 20 74 68 61 6e |s other |.*  than|
|00000260| 20 74 68 6f 73 65 20 73 | 75 70 70 6f 72 74 65 64 | those s|upported|
|00000270| 20 62 79 20 74 68 65 20 | 50 4f 56 2d 52 61 79 20 | by the |POV-Ray |
|00000280| 54 65 61 6d 2e 20 20 54 | 68 65 72 65 20 61 72 65 |Team.  T|here are|
|00000290| 20 73 74 72 69 63 74 20 | 72 75 6c 65 73 20 75 6e | strict |rules un|
|000002a0| 64 65 72 0d 2a 20 20 77 | 68 69 63 68 20 79 6f 75 |der.*  w|hich you|
|000002b0| 20 61 72 65 20 70 65 72 | 6d 69 74 74 65 64 20 74 | are per|mitted t|
|000002c0| 6f 20 75 73 65 20 74 68 | 69 73 20 66 69 6c 65 2e |o use th|is file.|
|000002d0| 20 20 54 68 65 20 72 75 | 6c 65 73 20 61 72 65 20 |  The ru|les are |
|000002e0| 69 6e 20 74 68 65 20 66 | 69 6c 65 0d 2a 20 20 6e |in the f|ile.*  n|
|000002f0| 61 6d 65 64 20 50 4f 56 | 4c 45 47 41 4c 2e 44 4f |amed POV|LEGAL.DO|
|00000300| 43 20 77 68 69 63 68 20 | 73 68 6f 75 6c 64 20 62 |C which |should b|
|00000310| 65 20 64 69 73 74 72 69 | 62 75 74 65 64 20 77 69 |e distri|buted wi|
|00000320| 74 68 20 74 68 69 73 20 | 66 69 6c 65 2e 20 49 66 |th this |file. If|
|00000330| 20 0d 2a 20 20 50 4f 56 | 4c 45 47 41 4c 2e 44 4f | .*  POV|LEGAL.DO|
|00000340| 43 20 69 73 20 6e 6f 74 | 20 61 76 61 69 6c 61 62 |C is not| availab|
|00000350| 6c 65 20 6f 72 20 66 6f | 72 20 6d 6f 72 65 20 69 |le or fo|r more i|
|00000360| 6e 66 6f 20 70 6c 65 61 | 73 65 20 63 6f 6e 74 61 |nfo plea|se conta|
|00000370| 63 74 20 74 68 65 20 50 | 4f 56 2d 52 61 79 0d 2a |ct the P|OV-Ray.*|
|00000380| 20 20 54 65 61 6d 20 43 | 6f 6f 72 64 69 6e 61 74 |  Team C|oordinat|
|00000390| 6f 72 20 62 79 20 6c 65 | 61 76 69 6e 67 20 61 20 |or by le|aving a |
|000003a0| 6d 65 73 73 61 67 65 20 | 69 6e 20 43 6f 6d 70 75 |message |in Compu|
|000003b0| 53 65 72 76 65 27 73 20 | 47 72 61 70 68 69 63 73 |Serve's |Graphics|
|000003c0| 20 44 65 76 65 6c 6f 70 | 65 72 27 73 0d 2a 20 20 | Develop|er's.*  |
|000003d0| 46 6f 72 75 6d 2e 20 20 | 54 68 65 20 6c 61 74 65 |Forum.  |The late|
|000003e0| 73 74 20 76 65 72 73 69 | 6f 6e 20 6f 66 20 50 4f |st versi|on of PO|
|000003f0| 56 2d 52 61 79 20 6d 61 | 79 20 62 65 20 66 6f 75 |V-Ray ma|y be fou|
|00000400| 6e 64 20 74 68 65 72 65 | 20 61 73 20 77 65 6c 6c |nd there| as well|
|00000410| 2e 0d 2a 0d 2a 20 54 68 | 69 73 20 70 72 6f 67 72 |..*.* Th|is progr|
|00000420| 61 6d 20 69 73 20 62 61 | 73 65 64 20 6f 6e 20 74 |am is ba|sed on t|
|00000430| 68 65 20 70 6f 70 75 6c | 61 72 20 44 4b 42 20 72 |he popul|ar DKB r|
|00000440| 61 79 74 72 61 63 65 72 | 20 76 65 72 73 69 6f 6e |aytracer| version|
|00000450| 20 32 2e 31 32 2e 0d 2a | 20 44 4b 42 54 72 61 63 | 2.12..*| DKBTrac|
|00000460| 65 20 77 61 73 20 6f 72 | 69 67 69 6e 61 6c 6c 79 |e was or|iginally|
|00000470| 20 77 72 69 74 74 65 6e | 20 62 79 20 44 61 76 69 | written| by Davi|
|00000480| 64 20 4b 2e 20 42 75 63 | 6b 2e 0d 2a 20 44 4b 42 |d K. Buc|k..* DKB|
|00000490| 54 72 61 63 65 20 56 65 | 72 20 32 2e 30 2d 32 2e |Trace Ve|r 2.0-2.|
|000004a0| 31 32 20 77 65 72 65 20 | 77 72 69 74 74 65 6e 20 |12 were |written |
|000004b0| 62 79 20 44 61 76 69 64 | 20 4b 2e 20 42 75 63 6b |by David| K. Buck|
|000004c0| 20 26 20 41 61 72 6f 6e | 20 41 2e 20 43 6f 6c 6c | & Aaron| A. Coll|
|000004d0| 69 6e 73 2e 0d 2a 0d 2a | 2a 2a 2a 2a 2a 2a 2a 2a |ins..*.*|********|
|000004e0| 2a 2a 2a 2a 2a 2a 2a 2a | 2a 2a 2a 2a 2a 2a 2a 2a |********|********|
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|00000500| 2a 2a 2a 2a 2a 2a 2a 2a | 2a 2a 2a 2a 2a 2a 2a 2a |********|********|
|00000510| 2a 2a 2a 2a 2a 2a 2a 2a | 2a 2a 2a 2a 2a 2a 2a 2a |********|********|
|00000520| 2a 2a 2a 2a 2f 0d 0d 23 | 69 6e 63 6c 75 64 65 20 |****/..#|include |
|00000530| 22 66 72 61 6d 65 2e 68 | 22 0d 23 69 6e 63 6c 75 |"frame.h|".#inclu|
|00000540| 64 65 20 22 76 65 63 74 | 6f 72 2e 68 22 0d 23 69 |de "vect|or.h".#i|
|00000550| 6e 63 6c 75 64 65 20 22 | 70 6f 76 70 72 6f 74 6f |nclude "|povproto|
|00000560| 2e 68 22 0d 0d 23 64 65 | 66 69 6e 65 20 4d 69 78 |.h"..#de|fine Mix|
|00000570| 28 61 2c 62 2c 63 29 20 | 20 20 7b 20 20 20 5c 0d |(a,b,c) |  {   \.|
|00000580| 20 20 20 28 61 29 2e 78 | 20 3d 20 28 62 29 2e 78 |   (a).x| = (b).x|
|00000590| 20 2a 20 28 63 29 2e 79 | 3b 20 5c 0d 20 20 20 28 | * (c).y|; \.   (|
|000005a0| 61 29 2e 79 20 3d 20 28 | 62 29 2e 78 20 2a 20 28 |a).y = (|b).x * (|
|000005b0| 63 29 2e 7a 3b 20 5c 0d | 20 20 20 28 61 29 2e 7a |c).z; \.|   (a).z|
|000005c0| 20 3d 20 28 62 29 2e 79 | 20 2a 20 28 63 29 2e 7a | = (b).y| * (c).z|
|000005d0| 3b 20 7d 0d 0d 76 6f 69 | 64 20 4d 61 6b 65 5f 52 |; }..voi|d Make_R|
|000005e0| 61 79 28 72 29 0d 52 41 | 59 20 2a 72 3b 0d 20 20 |ay(r).RA|Y *r;.  |
|000005f0| 7b 0d 20 20 56 45 43 54 | 4f 52 20 54 65 6d 70 5f |{.  VECT|OR Temp_|
|00000600| 49 6e 69 74 5f 44 69 72 | 3b 0d 0d 20 20 56 53 71 |Init_Dir|;..  VSq|
|00000610| 75 61 72 65 54 65 72 6d | 73 20 28 72 20 2d 3e 20 |uareTerm|s (r -> |
|00000620| 49 6e 69 74 69 61 6c 5f | 32 2c 20 72 20 2d 3e 20 |Initial_|2, r -> |
|00000630| 49 6e 69 74 69 61 6c 29 | 3b 0d 20 20 56 53 71 75 |Initial)|;.  VSqu|
|00000640| 61 72 65 54 65 72 6d 73 | 20 28 72 20 2d 3e 20 44 |areTerms| (r -> D|
|00000650| 69 72 65 63 74 69 6f 6e | 5f 32 2c 20 72 20 2d 3e |irection|_2, r ->|
|00000660| 20 44 69 72 65 63 74 69 | 6f 6e 29 3b 0d 20 20 56 | Directi|on);.  V|
|00000670| 45 76 61 6c 75 61 74 65 | 20 28 72 20 2d 3e 20 49 |Evaluate| (r -> I|
|00000680| 6e 69 74 69 61 6c 5f 44 | 69 72 65 63 74 69 6f 6e |nitial_D|irection|
|00000690| 2c 20 72 20 2d 3e 20 49 | 6e 69 74 69 61 6c 2c 20 |, r -> I|nitial, |
|000006a0| 72 20 2d 3e 20 44 69 72 | 65 63 74 69 6f 6e 29 3b |r -> Dir|ection);|
|000006b0| 0d 20 20 4d 69 78 20 28 | 72 20 2d 3e 20 4d 69 78 |.  Mix (|r -> Mix|
|000006c0| 65 64 5f 49 6e 69 74 69 | 61 6c 5f 49 6e 69 74 69 |ed_Initi|al_Initi|
|000006d0| 61 6c 2c 20 72 20 2d 3e | 20 49 6e 69 74 69 61 6c |al, r ->| Initial|
|000006e0| 2c 20 72 20 2d 3e 20 49 | 6e 69 74 69 61 6c 29 3b |, r -> I|nitial);|
|000006f0| 0d 20 20 4d 69 78 20 28 | 72 20 2d 3e 20 4d 69 78 |.  Mix (|r -> Mix|
|00000700| 65 64 5f 44 69 72 5f 44 | 69 72 2c 20 72 20 2d 3e |ed_Dir_D|ir, r ->|
|00000710| 20 44 69 72 65 63 74 69 | 6f 6e 2c 20 72 20 2d 3e | Directi|on, r ->|
|00000720| 20 44 69 72 65 63 74 69 | 6f 6e 29 3b 0d 20 20 4d | Directi|on);.  M|
|00000730| 69 78 20 28 54 65 6d 70 | 5f 49 6e 69 74 5f 44 69 |ix (Temp|_Init_Di|
|00000740| 72 2c 20 72 20 2d 3e 20 | 49 6e 69 74 69 61 6c 2c |r, r -> |Initial,|
|00000750| 20 72 20 2d 3e 20 44 69 | 72 65 63 74 69 6f 6e 29 | r -> Di|rection)|
|00000760| 3b 0d 20 20 4d 69 78 20 | 28 72 20 2d 3e 20 4d 69 |;.  Mix |(r -> Mi|
|00000770| 78 65 64 5f 49 6e 69 74 | 5f 44 69 72 2c 20 72 20 |xed_Init|_Dir, r |
|00000780| 2d 3e 20 44 69 72 65 63 | 74 69 6f 6e 2c 20 72 20 |-> Direc|tion, r |
|00000790| 2d 3e 20 49 6e 69 74 69 | 61 6c 29 3b 0d 20 20 56 |-> Initi|al);.  V|
|000007a0| 41 64 64 20 28 72 20 2d | 3e 20 4d 69 78 65 64 5f |Add (r -|> Mixed_|
|000007b0| 49 6e 69 74 5f 44 69 72 | 2c 20 72 20 2d 3e 20 4d |Init_Dir|, r -> M|
|000007c0| 69 78 65 64 5f 49 6e 69 | 74 5f 44 69 72 2c 20 54 |ixed_Ini|t_Dir, T|
|000007d0| 65 6d 70 5f 49 6e 69 74 | 5f 44 69 72 29 3b 0d 20 |emp_Init|_Dir);. |
|000007e0| 20 72 20 2d 3e 20 51 75 | 61 64 72 69 63 5f 43 6f | r -> Qu|adric_Co|
|000007f0| 6e 73 74 61 6e 74 73 5f | 43 61 63 68 65 64 20 3d |nstants_|Cached =|
|00000800| 20 54 52 55 45 3b 0d 20 | 20 7d 0d 0d 76 6f 69 64 | TRUE;. | }..void|
|00000810| 20 49 6e 69 74 69 61 6c | 69 7a 65 5f 52 61 79 5f | Initial|ize_Ray_|
|00000820| 43 6f 6e 74 61 69 6e 65 | 72 73 20 28 52 61 79 29 |Containe|rs (Ray)|
|00000830| 0d 52 41 59 20 2a 52 61 | 79 3b 0d 20 20 7b 0d 20 |.RAY *Ra|y;.  {. |
|00000840| 20 52 61 79 20 2d 3e 20 | 43 6f 6e 74 61 69 6e 69 | Ray -> |Containi|
|00000850| 6e 67 5f 49 6e 64 65 78 | 20 3d 20 2d 31 3b 0d 20 |ng_Index| = -1;. |
|00000860| 20 7d 0d 0d 76 6f 69 64 | 20 43 6f 70 79 5f 52 61 | }..void| Copy_Ra|
|00000870| 79 5f 43 6f 6e 74 61 69 | 6e 65 72 73 20 28 44 65 |y_Contai|ners (De|
|00000880| 73 74 5f 52 61 79 2c 20 | 53 6f 75 72 63 65 5f 52 |st_Ray, |Source_R|
|00000890| 61 79 29 0d 52 41 59 20 | 2a 44 65 73 74 5f 52 61 |ay).RAY |*Dest_Ra|
|000008a0| 79 2c 20 2a 53 6f 75 72 | 63 65 5f 52 61 79 3b 0d |y, *Sour|ce_Ray;.|
|000008b0| 20 20 7b 0d 20 20 72 65 | 67 69 73 74 65 72 20 69 |  {.  re|gister i|
|000008c0| 6e 74 20 69 3b 0d 0d 20 | 20 69 66 20 28 28 44 65 |nt i;.. | if ((De|
|000008d0| 73 74 5f 52 61 79 20 2d | 3e 20 43 6f 6e 74 61 69 |st_Ray -|> Contai|
|000008e0| 6e 69 6e 67 5f 49 6e 64 | 65 78 20 3d 20 53 6f 75 |ning_Ind|ex = Sou|
|000008f0| 72 63 65 5f 52 61 79 20 | 2d 3e 20 43 6f 6e 74 61 |rce_Ray |-> Conta|
|00000900| 69 6e 69 6e 67 5f 49 6e | 64 65 78 29 0d 20 20 20 |ining_In|dex).   |
|00000910| 20 3e 3d 20 4d 41 58 5f | 43 4f 4e 54 41 49 4e 49 | >= MAX_|CONTAINI|
|00000920| 4e 47 5f 4f 42 4a 45 43 | 54 53 29 20 0d 20 20 20 |NG_OBJEC|TS) .   |
|00000930| 20 7b 0d 20 20 20 20 66 | 70 72 69 6e 74 66 20 28 | {.    f|printf (|
|00000940| 73 74 64 65 72 72 2c 20 | 22 45 52 52 4f 52 20 2d |stderr, |"ERROR -|
|00000950| 20 43 6f 6e 74 61 69 6e | 69 6e 67 20 49 6e 64 65 | Contain|ing Inde|
|00000960| 78 20 74 6f 6f 20 68 69 | 67 68 5c 6e 22 29 3b 0d |x too hi|gh\n");.|
|00000970| 20 20 20 20 63 6c 6f 73 | 65 5f 61 6c 6c 28 29 3b |    clos|e_all();|
|00000980| 0d 20 20 20 20 65 78 69 | 74 20 28 31 29 3b 0d 20 |.    exi|t (1);. |
|00000990| 20 20 20 7d 0d 0d 20 20 | 66 6f 72 20 28 69 20 3d |   }..  |for (i =|
|000009a0| 20 30 20 3b 20 69 20 3c | 20 4d 41 58 5f 43 4f 4e | 0 ; i <| MAX_CON|
|000009b0| 54 41 49 4e 49 4e 47 5f | 4f 42 4a 45 43 54 53 20 |TAINING_|OBJECTS |
|000009c0| 3b 20 69 2b 2b 29 20 0d | 20 20 20 20 7b 0d 20 20 |; i++) .|    {.  |
|000009d0| 20 20 44 65 73 74 5f 52 | 61 79 20 2d 3e 20 43 6f |  Dest_R|ay -> Co|
|000009e0| 6e 74 61 69 6e 69 6e 67 | 5f 54 65 78 74 75 72 65 |ntaining|_Texture|
|000009f0| 73 5b 69 5d 20 3d 20 53 | 6f 75 72 63 65 5f 52 61 |s[i] = S|ource_Ra|
|00000a00| 79 20 2d 3e 20 43 6f 6e | 74 61 69 6e 69 6e 67 5f |y -> Con|taining_|
|00000a10| 54 65 78 74 75 72 65 73 | 5b 69 5d 3b 0d 20 20 20 |Textures|[i];.   |
|00000a20| 20 44 65 73 74 5f 52 61 | 79 20 2d 3e 20 43 6f 6e | Dest_Ra|y -> Con|
|00000a30| 74 61 69 6e 69 6e 67 5f | 49 4f 52 73 5b 69 5d 20 |taining_|IORs[i] |
|00000a40| 3d 20 53 6f 75 72 63 65 | 5f 52 61 79 20 2d 3e 20 |= Source|_Ray -> |
|00000a50| 43 6f 6e 74 61 69 6e 69 | 6e 67 5f 49 4f 52 73 5b |Containi|ng_IORs[|
|00000a60| 69 5d 3b 0d 20 20 20 20 | 7d 0d 20 20 7d 0d 0d 76 |i];.    |}.  }..v|
|00000a70| 6f 69 64 20 52 61 79 5f | 45 6e 74 65 72 20 28 72 |oid Ray_|Enter (r|
|00000a80| 61 79 2c 20 74 65 78 74 | 75 72 65 29 0d 52 41 59 |ay, text|ure).RAY|
|00000a90| 20 2a 72 61 79 3b 0d 54 | 45 58 54 55 52 45 20 2a | *ray;.T|EXTURE *|
|00000aa0| 74 65 78 74 75 72 65 3b | 0d 20 20 7b 0d 20 20 72 |texture;|.  {.  r|
|00000ab0| 65 67 69 73 74 65 72 20 | 69 6e 74 20 69 6e 64 65 |egister |int inde|
|00000ac0| 78 3b 0d 0d 20 20 69 66 | 20 28 28 69 6e 64 65 78 |x;..  if| ((index|
|00000ad0| 20 3d 20 2b 2b 28 72 61 | 79 20 2d 3e 20 43 6f 6e | = ++(ra|y -> Con|
|00000ae0| 74 61 69 6e 69 6e 67 5f | 49 6e 64 65 78 29 29 20 |taining_|Index)) |
|00000af0| 3e 3d 20 4d 41 58 5f 43 | 4f 4e 54 41 49 4e 49 4e |>= MAX_C|ONTAININ|
|00000b00| 47 5f 4f 42 4a 45 43 54 | 53 29 20 0d 20 20 20 20 |G_OBJECT|S) .    |
|00000b10| 7b 0d 20 20 20 20 66 70 | 72 69 6e 74 66 20 28 73 |{.    fp|rintf (s|
|00000b20| 74 64 65 72 72 2c 20 22 | 54 6f 6f 20 6d 61 6e 79 |tderr, "|Too many|
|00000b30| 20 6e 65 73 74 65 64 20 | 72 65 66 72 61 63 74 69 | nested |refracti|
|00000b40| 6e 67 20 6f 62 6a 65 63 | 74 73 5c 6e 22 29 3b 0d |ng objec|ts\n");.|
|00000b50| 20 20 20 20 63 6c 6f 73 | 65 5f 61 6c 6c 28 29 3b |    clos|e_all();|
|00000b60| 0d 20 20 20 20 65 78 69 | 74 28 31 29 3b 0d 20 20 |.    exi|t(1);.  |
|00000b70| 20 20 7d 0d 0d 20 20 72 | 61 79 20 2d 3e 20 43 6f |  }..  r|ay -> Co|
|00000b80| 6e 74 61 69 6e 69 6e 67 | 5f 54 65 78 74 75 72 65 |ntaining|_Texture|
|00000b90| 73 20 5b 69 6e 64 65 78 | 5d 20 3d 20 74 65 78 74 |s [index|] = text|
|00000ba0| 75 72 65 3b 0d 20 20 72 | 61 79 20 2d 3e 20 43 6f |ure;.  r|ay -> Co|
|00000bb0| 6e 74 61 69 6e 69 6e 67 | 5f 49 4f 52 73 20 5b 69 |ntaining|_IORs [i|
|00000bc0| 6e 64 65 78 5d 20 3d 20 | 74 65 78 74 75 72 65 2d |ndex] = |texture-|
|00000bd0| 3e 46 69 6e 69 73 68 2d | 3e 49 6e 64 65 78 5f 4f |>Finish-|>Index_O|
|00000be0| 66 5f 52 65 66 72 61 63 | 74 69 6f 6e 3b 0d 20 20 |f_Refrac|tion;.  |
|00000bf0| 7d 0d 0d 76 6f 69 64 20 | 52 61 79 5f 45 78 69 74 |}..void |Ray_Exit|
|00000c00| 20 28 72 61 79 29 0d 52 | 41 59 20 2a 72 61 79 3b | (ray).R|AY *ray;|
|00000c10| 0d 20 20 7b 0d 20 20 69 | 66 20 28 2d 2d 28 72 61 |.  {.  i|f (--(ra|
|00000c20| 79 20 2d 3e 20 43 6f 6e | 74 61 69 6e 69 6e 67 5f |y -> Con|taining_|
|00000c30| 49 6e 64 65 78 29 20 3c | 20 2d 31 29 20 0d 20 20 |Index) <| -1) .  |
|00000c40| 20 20 7b 0d 20 20 20 20 | 66 70 72 69 6e 74 66 20 |  {.    |fprintf |
|00000c50| 28 73 74 64 65 72 72 2c | 20 22 54 6f 6f 20 6d 61 |(stderr,| "Too ma|
|00000c60| 6e 79 20 65 78 69 74 73 | 20 66 72 6f 6d 20 72 65 |ny exits| from re|
|00000c70| 66 72 61 63 74 69 6f 6e | 73 5c 6e 22 29 3b 0d 20 |fraction|s\n");. |
|00000c80| 20 20 20 63 6c 6f 73 65 | 5f 61 6c 6c 28 29 3b 0d |   close|_all();.|
|00000c90| 20 20 20 20 65 78 69 74 | 28 31 29 3b 0d 20 20 20 |    exit|(1);.   |
|00000ca0| 20 7d 0d 20 20 7d 0d 00 | 00 00 00 00 00 00 00 00 | }.  }..|........|
|00000cb0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000cc0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000cd0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000ce0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000cf0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000d00| 00 00 01 00 00 00 01 6e | 00 00 00 6e 00 00 00 3e |.......n|...n...>|
|00000d10| 4f 70 74 69 6f 6e 5f 53 | 74 72 69 6e 67 5b 31 5d |Option_S|tring[1]|
|00000d20| 2c 20 22 25 6c 64 22 2c | 20 26 41 6e 74 69 61 6c |, "%ld",| &Antial|
|00000d30| 05 52 41 59 2e 43 02 00 | 00 00 54 45 58 54 4d 50 |.RAY.C..|..TEXTMP|
|00000d40| 53 20 01 08 ff ff ff ff | 00 00 00 00 16 af 00 00 |S ......|........|
|00000d50| 00 00 54 45 58 54 4d 50 | 53 20 01 08 ff ff ff ff |..TEXTMP|S ......|
|00000d60| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000d70| 00 00 a8 7d bc 88 00 00 | 0c 27 00 00 01 ac 6c 69 |...}....|.'....li|
|00000d80| 61 73 44 65 70 74 68 20 | 3e 20 39 29 0d 20 20 20 |asDepth |> 9).   |
|00000d90| 20 20 20 41 6e 74 69 61 | 6c 69 61 73 44 65 70 74 |   Antia|liasDept|
|00000da0| 68 20 3d 20 39 3b 0d 20 | 20 20 20 62 72 65 61 6b |h = 9;. |   break|
|00000db0| 3b 0d 0d 20 20 63 61 73 | 65 20 27 58 27 3a 0d 20 |;..  cas|e 'X':. |
|00000dc0| 20 63 61 73 65 20 27 78 | 27 3a 20 20 0d 20 20 20 | case 'x|':  .   |
|00000dd0| 20 4f 70 74 69 6f 6e 5f | 4e 75 6d 62 65 72 20 3d | Option_|Number =|
|00000de0| 20 45 58 49 54 45 4e 41 | 42 4c 45 3b 0d 20 20 20 | EXITENA|BLE;.   |
|00000df0| 20 62 72 65 61 6b 3b 0d | 0d 20 20 63 61 73 65 20 | break;.|.  case |
|00000e00| 00 00 00 48 00 09 4d 6f | 6e 61 63 6f 00 2a 2a 2a |...H..Mo|naco.***|
|00000e10| 2a 2a 2a 2a 2a 2a 2a 2a | 2a 2a 2a 2a 2a 2a 2a 2a |********|********|
|00000e20| 2a 0d 2a 20 20 20 00 06 | 00 04 00 3c 00 24 01 dd |*.*   ..|...<.$..|
|00000e30| 02 3d 00 3c 00 24 01 dd | 02 3d a8 7d bc 88 00 00 |.=.<.$..|.=.}....|
|00000e40| 00 00 00 00 00 00 00 00 | 00 00 01 00 00 00 00 1e |........|........|
|00000e50| 00 3c 00 24 01 dd 02 3d | 00 3c 00 24 01 dd 02 3d |.<.$...=|.<.$...=|
|00000e60| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000e70| 01 00 00 00 01 6e 00 00 | 00 6e 00 00 00 3e 00 8d |.....n..|.n...>..|
|00000e80| 3b f8 18 3e 00 00 00 1c | 00 3e 00 00 4d 50 53 52 |;..>....|.>..MPSR|
|00000e90| 00 01 00 0a 03 ed ff ff | 00 00 00 00 00 00 00 00 |........|........|
|00000ea0| 03 f0 ff ff 00 00 00 4c | 00 8f 92 70 00 00 00 00 |.......L|...p....|
|00000eb0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000ec0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000ed0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000ee0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000ef0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
+--------+-------------------------+-------------------------+--------+--------+