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+--------+-------------------------+-------------------------+--------+--------+
|00000000| 00 09 4f 42 4a 45 43 54 | 53 2e 43 00 00 00 00 00 |..OBJECT|S.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 1e f8 00 | 00 01 ac a8 f5 ca 56 a8 |........|......V.|
|00000060| f5 ca 56 00 00 08 00 00 | 00 00 00 00 00 00 00 00 |..V.....|........|
|00000070| 00 00 00 00 00 00 00 00 | 00 00 81 81 20 93 00 00 |........|.... ...|
|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 6f |        |       o|
|000000e0| 62 6a 65 63 74 73 2e 63 | 0d 2a 0d 2a 20 20 54 68 |bjects.c|.*.*  Th|
|000000f0| 69 73 20 6d 6f 64 75 6c | 65 20 69 6d 70 6c 65 6d |is modul|e implem|
|00000100| 65 6e 74 73 20 74 68 65 | 20 6d 65 74 68 6f 64 73 |ents the| methods|
|00000110| 20 66 6f 72 20 6f 62 6a | 65 63 74 73 20 61 6e 64 | for obj|ects and|
|00000120| 20 63 6f 6d 70 6f 73 69 | 74 65 20 6f 62 6a 65 63 | composi|te objec|
|00000130| 74 73 2e 0d 2a 0d 2a 20 | 20 66 72 6f 6d 20 50 65 |ts..*.* | from Pe|
|00000140| 72 73 69 73 74 65 6e 63 | 65 20 6f 66 20 56 69 73 |rsistenc|e of Vis|
|00000150| 69 6f 6e 20 52 61 79 74 | 72 61 63 65 72 0d 2a 20 |ion Rayt|racer.* |
|00000160| 20 43 6f 70 79 72 69 67 | 68 74 20 31 39 39 33 20 | Copyrig|ht 1993 |
|00000170| 50 65 72 73 69 73 74 65 | 6e 63 65 20 6f 66 20 56 |Persiste|nce of V|
|00000180| 69 73 69 6f 6e 20 54 65 | 61 6d 0d 2a 2d 2d 2d 2d |ision Te|am.*----|
|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 2d 2d 2d 2d 2d 2d 2d | 2d 2d 2d 2d 2d 2d 2d 2d |--------|--------|
|000001d0| 2d 2d 2d 2d 2d 2d 2d 0d | 2a 20 20 4e 4f 54 49 43 |-------.|*  NOTIC|
|000001e0| 45 3a 20 54 68 69 73 20 | 73 6f 75 72 63 65 20 63 |E: This |source c|
|000001f0| 6f 64 65 20 66 69 6c 65 | 20 69 73 20 70 72 6f 76 |ode file| is prov|
|00000200| 69 64 65 64 20 73 6f 20 | 74 68 61 74 20 75 73 65 |ided so |that use|
|00000210| 72 73 20 6d 61 79 20 65 | 78 70 65 72 69 6d 65 6e |rs may e|xperimen|
|00000220| 74 0d 2a 20 20 77 69 74 | 68 20 65 6e 68 61 6e 63 |t.*  wit|h enhanc|
|00000230| 65 6d 65 6e 74 73 20 74 | 6f 20 50 4f 56 2d 52 61 |ements t|o POV-Ra|
|00000240| 79 20 61 6e 64 20 74 6f | 20 70 6f 72 74 20 74 68 |y and to| port th|
|00000250| 65 20 73 6f 66 74 77 61 | 72 65 20 74 6f 20 70 6c |e softwa|re to pl|
|00000260| 61 74 66 6f 72 6d 73 20 | 6f 74 68 65 72 20 0d 2a |atforms |other .*|
|00000270| 20 20 74 68 61 6e 20 74 | 68 6f 73 65 20 73 75 70 |  than t|hose sup|
|00000280| 70 6f 72 74 65 64 20 62 | 79 20 74 68 65 20 50 4f |ported b|y the PO|
|00000290| 56 2d 52 61 79 20 54 65 | 61 6d 2e 20 20 54 68 65 |V-Ray Te|am.  The|
|000002a0| 72 65 20 61 72 65 20 73 | 74 72 69 63 74 20 72 75 |re are s|trict ru|
|000002b0| 6c 65 73 20 75 6e 64 65 | 72 0d 2a 20 20 77 68 69 |les unde|r.*  whi|
|000002c0| 63 68 20 79 6f 75 20 61 | 72 65 20 70 65 72 6d 69 |ch you a|re permi|
|000002d0| 74 74 65 64 20 74 6f 20 | 75 73 65 20 74 68 69 73 |tted to |use this|
|000002e0| 20 66 69 6c 65 2e 20 20 | 54 68 65 20 72 75 6c 65 | file.  |The rule|
|000002f0| 73 20 61 72 65 20 69 6e | 20 74 68 65 20 66 69 6c |s are in| the fil|
|00000300| 65 0d 2a 20 20 6e 61 6d | 65 64 20 50 4f 56 4c 45 |e.*  nam|ed POVLE|
|00000310| 47 41 4c 2e 44 4f 43 20 | 77 68 69 63 68 20 73 68 |GAL.DOC |which sh|
|00000320| 6f 75 6c 64 20 62 65 20 | 64 69 73 74 72 69 62 75 |ould be |distribu|
|00000330| 74 65 64 20 77 69 74 68 | 20 74 68 69 73 20 66 69 |ted with| this fi|
|00000340| 6c 65 2e 20 49 66 20 0d | 2a 20 20 50 4f 56 4c 45 |le. If .|*  POVLE|
|00000350| 47 41 4c 2e 44 4f 43 20 | 69 73 20 6e 6f 74 20 61 |GAL.DOC |is not a|
|00000360| 76 61 69 6c 61 62 6c 65 | 20 6f 72 20 66 6f 72 20 |vailable| or for |
|00000370| 6d 6f 72 65 20 69 6e 66 | 6f 20 70 6c 65 61 73 65 |more inf|o please|
|00000380| 20 63 6f 6e 74 61 63 74 | 20 74 68 65 20 50 4f 56 | contact| the POV|
|00000390| 2d 52 61 79 0d 2a 20 20 | 54 65 61 6d 20 43 6f 6f |-Ray.*  |Team Coo|
|000003a0| 72 64 69 6e 61 74 6f 72 | 20 62 79 20 6c 65 61 76 |rdinator| by leav|
|000003b0| 69 6e 67 20 61 20 6d 65 | 73 73 61 67 65 20 69 6e |ing a me|ssage in|
|000003c0| 20 43 6f 6d 70 75 53 65 | 72 76 65 27 73 20 47 72 | CompuSe|rve's Gr|
|000003d0| 61 70 68 69 63 73 20 44 | 65 76 65 6c 6f 70 65 72 |aphics D|eveloper|
|000003e0| 27 73 0d 2a 20 20 46 6f | 72 75 6d 2e 20 20 54 68 |'s.*  Fo|rum.  Th|
|000003f0| 65 20 6c 61 74 65 73 74 | 20 76 65 72 73 69 6f 6e |e latest| version|
|00000400| 20 6f 66 20 50 4f 56 2d | 52 61 79 20 6d 61 79 20 | of POV-|Ray may |
|00000410| 62 65 20 66 6f 75 6e 64 | 20 74 68 65 72 65 20 61 |be found| there a|
|00000420| 73 20 77 65 6c 6c 2e 0d | 2a 0d 2a 20 54 68 69 73 |s well..|*.* This|
|00000430| 20 70 72 6f 67 72 61 6d | 20 69 73 20 62 61 73 65 | program| is base|
|00000440| 64 20 6f 6e 20 74 68 65 | 20 70 6f 70 75 6c 61 72 |d on the| popular|
|00000450| 20 44 4b 42 20 72 61 79 | 74 72 61 63 65 72 20 76 | DKB ray|tracer v|
|00000460| 65 72 73 69 6f 6e 20 32 | 2e 31 32 2e 0d 2a 20 44 |ersion 2|.12..* D|
|00000470| 4b 42 54 72 61 63 65 20 | 77 61 73 20 6f 72 69 67 |KBTrace |was orig|
|00000480| 69 6e 61 6c 6c 79 20 77 | 72 69 74 74 65 6e 20 62 |inally w|ritten b|
|00000490| 79 20 44 61 76 69 64 20 | 4b 2e 20 42 75 63 6b 2e |y David |K. Buck.|
|000004a0| 0d 2a 20 44 4b 42 54 72 | 61 63 65 20 56 65 72 20 |.* DKBTr|ace Ver |
|000004b0| 32 2e 30 2d 32 2e 31 32 | 20 77 65 72 65 20 77 72 |2.0-2.12| were wr|
|000004c0| 69 74 74 65 6e 20 62 79 | 20 44 61 76 69 64 20 4b |itten by| David K|
|000004d0| 2e 20 42 75 63 6b 20 26 | 20 41 61 72 6f 6e 20 41 |. Buck &| Aaron A|
|000004e0| 2e 20 43 6f 6c 6c 69 6e | 73 2e 0d 2a 0d 2a 2a 2a |. Collin|s..*.***|
|000004f0| 2a 2a 2a 2a 2a 2a 2a 2a | 2a 2a 2a 2a 2a 2a 2a 2a |********|********|
|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 2a 2a 2a 2a | 2a 2a 2a 2a 2a 2a 2a 2a |********|********|
|00000530| 2a 2a 2a 2a 2a 2a 2a 2a | 2a 2a 2f 0d 0d 23 69 6e |********|**/..#in|
|00000540| 63 6c 75 64 65 20 22 66 | 72 61 6d 65 2e 68 22 0d |clude "f|rame.h".|
|00000550| 23 69 6e 63 6c 75 64 65 | 20 22 76 65 63 74 6f 72 |#include| "vector|
|00000560| 2e 68 22 0d 23 69 6e 63 | 6c 75 64 65 20 22 70 6f |.h".#inc|lude "po|
|00000570| 76 70 72 6f 74 6f 2e 68 | 22 0d 0d 65 78 74 65 72 |vproto.h|"..exter|
|00000580| 6e 20 6c 6f 6e 67 20 42 | 6f 75 6e 64 69 6e 67 5f |n long B|ounding_|
|00000590| 52 65 67 69 6f 6e 5f 54 | 65 73 74 73 2c 20 42 6f |Region_T|ests, Bo|
|000005a0| 75 6e 64 69 6e 67 5f 52 | 65 67 69 6f 6e 5f 54 65 |unding_R|egion_Te|
|000005b0| 73 74 73 5f 53 75 63 63 | 65 65 64 65 64 3b 0d 65 |sts_Succ|eeded;.e|
|000005c0| 78 74 65 72 6e 20 6c 6f | 6e 67 20 43 6c 69 70 70 |xtern lo|ng Clipp|
|000005d0| 69 6e 67 5f 52 65 67 69 | 6f 6e 5f 54 65 73 74 73 |ing_Regi|on_Tests|
|000005e0| 2c 20 43 6c 69 70 70 69 | 6e 67 5f 52 65 67 69 6f |, Clippi|ng_Regio|
|000005f0| 6e 5f 54 65 73 74 73 5f | 53 75 63 63 65 65 64 65 |n_Tests_|Succeede|
|00000600| 64 3b 0d 65 78 74 65 72 | 6e 20 75 6e 73 69 67 6e |d;.exter|n unsign|
|00000610| 65 64 20 69 6e 74 20 4f | 70 74 69 6f 6e 73 3b 0d |ed int O|ptions;.|
|00000620| 65 78 74 65 72 6e 20 6c | 6f 6e 67 20 49 73 74 61 |extern l|ong Ista|
|00000630| 63 6b 5f 6f 76 65 72 66 | 6c 6f 77 73 3b 0d 65 78 |ck_overf|lows;.ex|
|00000640| 74 65 72 6e 20 69 6e 74 | 20 4e 75 6d 62 65 72 5f |tern int| Number_|
|00000650| 6f 66 5f 69 73 74 61 63 | 6b 73 3b 0d 65 78 74 65 |of_istac|ks;.exte|
|00000660| 72 6e 20 69 6e 74 20 4d | 61 78 5f 49 6e 74 65 72 |rn int M|ax_Inter|
|00000670| 73 65 63 74 69 6f 6e 73 | 3b 0d 65 78 74 65 72 6e |sections|;.extern|
|00000680| 20 49 53 54 41 43 4b 20 | 2a 66 72 65 65 5f 69 73 | ISTACK |*free_is|
|00000690| 74 61 63 6b 3b 0d 0d 69 | 6e 74 20 49 6e 74 65 72 |tack;..i|nt Inter|
|000006a0| 73 65 63 74 69 6f 6e 20 | 28 52 61 79 5f 49 6e 74 |section |(Ray_Int|
|000006b0| 65 72 73 65 63 74 69 6f | 6e 2c 20 4f 62 6a 65 63 |ersectio|n, Objec|
|000006c0| 74 2c 20 52 61 79 29 0d | 49 4e 54 45 52 53 45 43 |t, Ray).|INTERSEC|
|000006d0| 54 49 4f 4e 20 2a 52 61 | 79 5f 49 6e 74 65 72 73 |TION *Ra|y_Inters|
|000006e0| 65 63 74 69 6f 6e 3b 0d | 4f 42 4a 45 43 54 20 2a |ection;.|OBJECT *|
|000006f0| 4f 62 6a 65 63 74 3b 0d | 52 41 59 20 2a 52 61 79 |Object;.|RAY *Ray|
|00000700| 3b 0d 20 20 7b 0d 20 20 | 49 53 54 41 43 4b 20 2a |;.  {.  |ISTACK *|
|00000710| 44 65 70 74 68 5f 53 74 | 61 63 6b 3b 0d 20 20 49 |Depth_St|ack;.  I|
|00000720| 4e 54 45 52 53 45 43 54 | 49 4f 4e 20 2a 4c 6f 63 |NTERSECT|ION *Loc|
|00000730| 61 6c 3b 0d 20 20 44 42 | 4c 20 43 6c 6f 73 65 73 |al;.  DB|L Closes|
|00000740| 74 20 3d 20 48 55 47 45 | 5f 56 41 4c 3b 0d 0d 20 |t = HUGE|_VAL;.. |
|00000750| 20 69 66 20 28 4f 62 6a | 65 63 74 20 3d 3d 20 4e | if (Obj|ect == N|
|00000760| 55 4c 4c 29 0d 20 20 20 | 20 72 65 74 75 72 6e 20 |ULL).   | return |
|00000770| 28 46 41 4c 53 45 29 3b | 0d 0d 20 20 69 66 28 21 |(FALSE);|..  if(!|
|00000780| 52 61 79 5f 49 6e 5f 42 | 6f 75 6e 64 73 20 28 52 |Ray_In_B|ounds (R|
|00000790| 61 79 2c 4f 62 6a 65 63 | 74 2d 3e 42 6f 75 6e 64 |ay,Objec|t->Bound|
|000007a0| 29 29 0d 20 20 20 20 72 | 65 74 75 72 6e 20 28 46 |)).    r|eturn (F|
|000007b0| 41 4c 53 45 29 3b 0d 0d | 20 20 44 65 70 74 68 5f |ALSE);..|  Depth_|
|000007c0| 53 74 61 63 6b 20 3d 20 | 6f 70 65 6e 5f 69 73 74 |Stack = |open_ist|
|000007d0| 61 63 6b 20 28 29 3b 0d | 0d 20 20 69 66 20 28 41 |ack ();.|.  if (A|
|000007e0| 6c 6c 5f 49 6e 74 65 72 | 73 65 63 74 69 6f 6e 73 |ll_Inter|sections|
|000007f0| 20 28 4f 62 6a 65 63 74 | 2c 20 52 61 79 2c 20 44 | (Object|, Ray, D|
|00000800| 65 70 74 68 5f 53 74 61 | 63 6b 29 29 0d 20 20 20 |epth_Sta|ck)).   |
|00000810| 20 7b 0d 20 20 20 20 77 | 68 69 6c 65 20 28 28 4c | {.    w|hile ((L|
|00000820| 6f 63 61 6c 20 3d 20 70 | 6f 70 5f 65 6e 74 72 79 |ocal = p|op_entry|
|00000830| 28 44 65 70 74 68 5f 53 | 74 61 63 6b 29 29 20 21 |(Depth_S|tack)) !|
|00000840| 3d 20 4e 55 4c 4c 29 0d | 20 20 20 20 20 20 69 66 |= NULL).|      if|
|00000850| 20 28 4c 6f 63 61 6c 2d | 3e 44 65 70 74 68 20 3c | (Local-|>Depth <|
|00000860| 20 43 6c 6f 73 65 73 74 | 29 0d 20 20 20 20 20 20 | Closest|).      |
|00000870| 20 20 7b 0d 20 20 20 20 | 20 20 20 20 2a 52 61 79 |  {.    |    *Ray|
|00000880| 5f 49 6e 74 65 72 73 65 | 63 74 69 6f 6e 20 3d 20 |_Interse|ction = |
|00000890| 2a 4c 6f 63 61 6c 3b 0d | 20 20 20 20 20 20 20 20 |*Local;.|        |
|000008a0| 43 6c 6f 73 65 73 74 20 | 3d 20 4c 6f 63 61 6c 2d |Closest |= Local-|
|000008b0| 3e 44 65 70 74 68 3b 0d | 20 20 20 20 20 20 20 20 |>Depth;.|        |
|000008c0| 7d 0d 20 20 20 20 63 6c | 6f 73 65 5f 69 73 74 61 |}.    cl|ose_ista|
|000008d0| 63 6b 20 28 44 65 70 74 | 68 5f 53 74 61 63 6b 29 |ck (Dept|h_Stack)|
|000008e0| 3b 0d 20 20 20 20 72 65 | 74 75 72 6e 20 28 54 52 |;.    re|turn (TR|
|000008f0| 55 45 29 3b 0d 20 20 20 | 20 7d 0d 20 20 65 6c 73 |UE);.   | }.  els|
|00000900| 65 0d 20 20 20 20 7b 0d | 20 20 20 20 63 6c 6f 73 |e.    {.|    clos|
|00000910| 65 5f 69 73 74 61 63 6b | 20 28 44 65 70 74 68 5f |e_istack| (Depth_|
|00000920| 53 74 61 63 6b 29 3b 0d | 20 20 20 20 72 65 74 75 |Stack);.|    retu|
|00000930| 72 6e 20 28 46 41 4c 53 | 45 29 3b 0d 20 20 20 20 |rn (FALS|E);.    |
|00000940| 7d 0d 20 20 7d 0d 0d 69 | 6e 74 20 52 61 79 5f 49 |}.  }..i|nt Ray_I|
|00000950| 6e 5f 42 6f 75 6e 64 73 | 20 28 52 61 79 2c 42 6f |n_Bounds| (Ray,Bo|
|00000960| 75 6e 64 73 29 0d 52 41 | 59 20 2a 52 61 79 3b 0d |unds).RA|Y *Ray;.|
|00000970| 4f 42 4a 45 43 54 20 2a | 42 6f 75 6e 64 73 3b 0d |OBJECT *|Bounds;.|
|00000980| 20 20 7b 0d 20 20 4f 42 | 4a 45 43 54 20 2a 42 6f |  {.  OB|JECT *Bo|
|00000990| 75 6e 64 3b 0d 20 20 49 | 4e 54 45 52 53 45 43 54 |und;.  I|NTERSECT|
|000009a0| 49 4f 4e 20 4c 6f 63 61 | 6c 3b 0d 0d 20 20 66 6f |ION Loca|l;..  fo|
|000009b0| 72 20 28 42 6f 75 6e 64 | 20 3d 20 42 6f 75 6e 64 |r (Bound| = Bound|
|000009c0| 73 3b 0d 20 20 42 6f 75 | 6e 64 20 21 3d 20 4e 55 |s;.  Bou|nd != NU|
|000009d0| 4c 4c 3b 0d 20 20 42 6f | 75 6e 64 20 3d 20 42 6f |LL;.  Bo|und = Bo|
|000009e0| 75 6e 64 2d 3e 53 69 62 | 6c 69 6e 67 29 0d 20 20 |und->Sib|ling).  |
|000009f0| 20 20 7b 0d 20 20 20 20 | 42 6f 75 6e 64 69 6e 67 |  {.    |Bounding|
|00000a00| 5f 52 65 67 69 6f 6e 5f | 54 65 73 74 73 2b 2b 3b |_Region_|Tests++;|
|00000a10| 0d 0d 20 20 20 20 69 66 | 20 28 21 49 6e 74 65 72 |..    if| (!Inter|
|00000a20| 73 65 63 74 69 6f 6e 20 | 28 26 4c 6f 63 61 6c 2c |section |(&Local,|
|00000a30| 20 42 6f 75 6e 64 2c 20 | 52 61 79 29 29 0d 20 20 | Bound, |Ray)).  |
|00000a40| 20 20 20 20 69 66 20 28 | 21 49 6e 73 69 64 65 5f |    if (|!Inside_|
|00000a50| 4f 62 6a 65 63 74 28 26 | 52 61 79 2d 3e 49 6e 69 |Object(&|Ray->Ini|
|00000a60| 74 69 61 6c 2c 42 6f 75 | 6e 64 29 29 0d 20 20 20 |tial,Bou|nd)).   |
|00000a70| 20 20 20 20 20 72 65 74 | 75 72 6e 20 28 46 41 4c |     ret|urn (FAL|
|00000a80| 53 45 29 3b 0d 0d 20 20 | 20 20 42 6f 75 6e 64 69 |SE);..  |  Boundi|
|00000a90| 6e 67 5f 52 65 67 69 6f | 6e 5f 54 65 73 74 73 5f |ng_Regio|n_Tests_|
|00000aa0| 53 75 63 63 65 65 64 65 | 64 2b 2b 3b 0d 20 20 20 |Succeede|d++;.   |
|00000ab0| 20 7d 0d 0d 20 20 72 65 | 74 75 72 6e 20 28 54 52 | }..  re|turn (TR|
|00000ac0| 55 45 29 3b 0d 20 20 7d | 0d 0d 69 6e 74 20 50 6f |UE);.  }|..int Po|
|00000ad0| 69 6e 74 5f 49 6e 5f 43 | 6c 69 70 20 28 49 50 6f |int_In_C|lip (IPo|
|00000ae0| 69 6e 74 2c 20 43 6c 69 | 70 29 0d 56 45 43 54 4f |int, Cli|p).VECTO|
|00000af0| 52 20 2a 49 50 6f 69 6e | 74 3b 0d 4f 42 4a 45 43 |R *IPoin|t;.OBJEC|
|00000b00| 54 20 2a 43 6c 69 70 3b | 0d 20 20 7b 0d 20 20 4f |T *Clip;|.  {.  O|
|00000b10| 42 4a 45 43 54 20 2a 4c | 6f 63 61 6c 5f 43 6c 69 |BJECT *L|ocal_Cli|
|00000b20| 70 3b 0d 0d 20 20 66 6f | 72 20 28 4c 6f 63 61 6c |p;..  fo|r (Local|
|00000b30| 5f 43 6c 69 70 20 3d 20 | 43 6c 69 70 3b 0d 20 20 |_Clip = |Clip;.  |
|00000b40| 4c 6f 63 61 6c 5f 43 6c | 69 70 20 21 3d 20 4e 55 |Local_Cl|ip != NU|
|00000b50| 4c 4c 3b 0d 20 20 4c 6f | 63 61 6c 5f 43 6c 69 70 |LL;.  Lo|cal_Clip|
|00000b60| 20 3d 20 4c 6f 63 61 6c | 5f 43 6c 69 70 2d 3e 53 | = Local|_Clip->S|
|00000b70| 69 62 6c 69 6e 67 29 0d | 20 20 20 20 7b 0d 20 20 |ibling).|    {.  |
|00000b80| 20 20 43 6c 69 70 70 69 | 6e 67 5f 52 65 67 69 6f |  Clippi|ng_Regio|
|00000b90| 6e 5f 54 65 73 74 73 2b | 2b 3b 0d 20 20 20 20 69 |n_Tests+|+;.    i|
|00000ba0| 66 20 28 21 49 6e 73 69 | 64 65 5f 4f 62 6a 65 63 |f (!Insi|de_Objec|
|00000bb0| 74 28 49 50 6f 69 6e 74 | 2c 20 4c 6f 63 61 6c 5f |t(IPoint|, Local_|
|00000bc0| 43 6c 69 70 29 29 20 0d | 20 20 20 20 20 20 72 65 |Clip)) .|      re|
|00000bd0| 74 75 72 6e 20 28 46 41 | 4c 53 45 29 3b 0d 0d 20 |turn (FA|LSE);.. |
|00000be0| 20 20 20 43 6c 69 70 70 | 69 6e 67 5f 52 65 67 69 |   Clipp|ing_Regi|
|00000bf0| 6f 6e 5f 54 65 73 74 73 | 5f 53 75 63 63 65 65 64 |on_Tests|_Succeed|
|00000c00| 65 64 2b 2b 3b 0d 20 20 | 20 20 7d 0d 20 20 72 65 |ed++;.  |  }.  re|
|00000c10| 74 75 72 6e 20 28 54 52 | 55 45 29 3b 0d 20 20 7d |turn (TR|UE);.  }|
|00000c20| 0d 0d 4f 42 4a 45 43 54 | 20 2a 43 6f 70 79 5f 42 |..OBJECT| *Copy_B|
|00000c30| 6f 75 6e 64 5f 43 6c 69 | 70 20 28 4f 6c 64 29 0d |ound_Cli|p (Old).|
|00000c40| 4f 42 4a 45 43 54 20 2a | 4f 6c 64 3b 0d 20 20 7b |OBJECT *|Old;.  {|
|00000c50| 0d 20 20 4f 42 4a 45 43 | 54 20 2a 43 75 72 72 65 |.  OBJEC|T *Curre|
|00000c60| 6e 74 2c 20 2a 4e 65 77 | 2c 20 2a 50 72 65 76 2c |nt, *New|, *Prev,|
|00000c70| 20 2a 46 69 72 73 74 3b | 0d 0d 20 20 46 69 72 73 | *First;|..  Firs|
|00000c80| 74 20 3d 20 50 72 65 76 | 20 3d 20 4e 55 4c 4c 3b |t = Prev| = NULL;|
|00000c90| 0d 0d 20 20 66 6f 72 20 | 28 43 75 72 72 65 6e 74 |..  for |(Current|
|00000ca0| 20 3d 20 4f 6c 64 3b 0d | 20 20 43 75 72 72 65 6e | = Old;.|  Curren|
|00000cb0| 74 20 21 3d 20 4e 55 4c | 4c 20 3b 0d 20 20 43 75 |t != NUL|L ;.  Cu|
|00000cc0| 72 72 65 6e 74 20 3d 20 | 43 75 72 72 65 6e 74 2d |rrent = |Current-|
|00000cd0| 3e 53 69 62 6c 69 6e 67 | 29 20 0d 20 20 20 20 7b |>Sibling|) .    {|
|00000ce0| 0d 20 20 20 20 4e 65 77 | 20 3d 20 43 6f 70 79 5f |.    New| = Copy_|
|00000cf0| 4f 62 6a 65 63 74 20 28 | 43 75 72 72 65 6e 74 29 |Object (|Current)|
|00000d00| 3b 0d 20 20 20 20 69 66 | 20 28 46 69 72 73 74 20 |;.    if| (First |
|00000d10| 3d 3d 20 4e 55 4c 4c 29 | 0d 20 20 20 20 20 20 46 |== NULL)|.      F|
|00000d20| 69 72 73 74 20 3d 20 4e | 65 77 3b 0d 20 20 20 20 |irst = N|ew;.    |
|00000d30| 69 66 20 28 50 72 65 76 | 20 21 3d 20 4e 55 4c 4c |if (Prev| != NULL|
|00000d40| 29 0d 20 20 20 20 20 20 | 50 72 65 76 2d 3e 53 69 |).      |Prev->Si|
|00000d50| 62 6c 69 6e 67 20 3d 20 | 4e 65 77 3b 0d 20 20 20 |bling = |New;.   |
|00000d60| 20 50 72 65 76 20 3d 20 | 4e 65 77 3b 0d 20 20 20 | Prev = |New;.   |
|00000d70| 20 7d 0d 20 20 72 65 74 | 75 72 6e 20 28 46 69 72 | }.  ret|urn (Fir|
|00000d80| 73 74 29 3b 0d 20 20 7d | 0d 0d 4f 42 4a 45 43 54 |st);.  }|..OBJECT|
|00000d90| 20 2a 43 6f 70 79 5f 4f | 62 6a 65 63 74 20 28 4f | *Copy_O|bject (O|
|00000da0| 6c 64 29 0d 4f 42 4a 45 | 43 54 20 2a 4f 6c 64 3b |ld).OBJE|CT *Old;|
|00000db0| 0d 20 20 7b 0d 20 20 4f | 42 4a 45 43 54 20 2a 4e |.  {.  O|BJECT *N|
|00000dc0| 65 77 3b 0d 0d 20 20 69 | 66 20 28 4f 6c 64 20 3d |ew;..  i|f (Old =|
|00000dd0| 3d 20 4e 55 4c 4c 29 0d | 20 20 20 20 72 65 74 75 |= NULL).|    retu|
|00000de0| 72 6e 20 28 4e 55 4c 4c | 29 3b 0d 0d 20 20 4e 65 |rn (NULL|);..  Ne|
|00000df0| 77 20 3d 20 43 6f 70 79 | 20 28 4f 6c 64 29 3b 0d |w = Copy| (Old);.|
|00000e00| 0d 20 20 2f 2a 20 54 68 | 65 20 66 6f 6c 6c 6f 77 |.  /* Th|e follow|
|00000e10| 69 6e 67 20 63 6f 70 79 | 69 6e 67 20 6f 66 20 4f |ing copy|ing of O|
|00000e20| 42 4a 45 43 54 5f 46 49 | 45 4c 44 53 20 69 73 20 |BJECT_FI|ELDS is |
|00000e30| 72 65 64 75 6e 64 61 6e | 74 20 69 66 20 43 6f 70 |redundan|t if Cop|
|00000e40| 79 20 0d 20 20 20 64 69 | 64 20 2a 4e 65 77 20 3d |y .   di|d *New =|
|00000e50| 20 2a 4f 6c 64 20 62 75 | 74 20 77 65 20 63 61 6e | *Old bu|t we can|
|00000e60| 6e 6f 74 20 61 73 73 75 | 6d 65 20 69 74 20 64 69 |not assu|me it di|
|00000e70| 64 2e 0d 20 20 20 49 74 | 20 69 73 20 73 61 66 65 |d..   It| is safe|
|00000e80| 20 66 6f 72 20 43 6f 70 | 79 20 74 6f 20 64 6f 20 | for Cop|y to do |
|00000e90| 2a 4e 65 77 20 3d 20 2a | 4f 6c 64 20 62 75 74 20 |*New = *|Old but |
|00000ea0| 69 74 20 73 68 6f 75 6c | 64 20 6e 6f 74 20 6f 74 |it shoul|d not ot|
|00000eb0| 68 65 72 77 69 73 65 0d | 20 20 20 74 6f 75 63 68 |herwise.|   touch|
|00000ec0| 20 4f 42 4a 45 43 54 5f | 46 49 45 4c 44 53 2e 20 | OBJECT_|FIELDS. |
|00000ed0| 2a 2f 0d 0d 20 20 4e 65 | 77 2d 3e 4d 65 74 68 6f |*/..  Ne|w->Metho|
|00000ee0| 64 73 20 3d 20 4f 6c 64 | 2d 3e 4d 65 74 68 6f 64 |ds = Old|->Method|
|00000ef0| 73 3b 0d 20 20 4e 65 77 | 2d 3e 54 79 70 65 20 20 |s;.  New|->Type  |
|00000f00| 20 20 3d 20 4f 6c 64 2d | 3e 54 79 70 65 3b 0d 20 |  = Old-|>Type;. |
|00000f10| 20 4e 65 77 2d 3e 53 69 | 62 6c 69 6e 67 20 3d 20 | New->Si|bling = |
|00000f20| 4f 6c 64 2d 3e 53 69 62 | 6c 69 6e 67 3b 0d 20 20 |Old->Sib|ling;.  |
|00000f30| 4e 65 77 2d 3e 54 65 78 | 74 75 72 65 20 3d 20 4f |New->Tex|ture = O|
|00000f40| 6c 64 2d 3e 54 65 78 74 | 75 72 65 3b 0d 20 20 4e |ld->Text|ure;.  N|
|00000f50| 65 77 2d 3e 42 6f 75 6e | 64 20 20 20 3d 20 4f 6c |ew->Boun|d   = Ol|
|00000f60| 64 2d 3e 42 6f 75 6e 64 | 3b 0d 20 20 4e 65 77 2d |d->Bound|;.  New-|
|00000f70| 3e 43 6c 69 70 20 20 20 | 20 3d 20 4f 6c 64 2d 3e |>Clip   | = Old->|
|00000f80| 43 6c 69 70 3b 0d 20 20 | 4e 65 77 2d 3e 42 6f 75 |Clip;.  |New->Bou|
|00000f90| 6e 64 73 20 20 3d 20 4f | 6c 64 2d 3e 42 6f 75 6e |nds  = O|ld->Boun|
|00000fa0| 64 73 3b 0d 20 20 4e 65 | 77 2d 3e 4e 6f 5f 53 68 |ds;.  Ne|w->No_Sh|
|00000fb0| 61 64 6f 77 5f 46 6c 61 | 67 20 3d 20 4f 6c 64 2d |adow_Fla|g = Old-|
|00000fc0| 3e 4e 6f 5f 53 68 61 64 | 6f 77 5f 46 6c 61 67 3b |>No_Shad|ow_Flag;|
|00000fd0| 0d 0d 20 20 4e 65 77 2d | 3e 53 69 62 6c 69 6e 67 |..  New-|>Sibling|
|00000fe0| 20 3d 20 4e 55 4c 4c 3b | 20 20 20 20 20 20 20 20 | = NULL;|        |
|00000ff0| 20 20 2f 2a 20 49 6d 70 | 6f 72 74 61 6e 74 20 2a |  /* Imp|ortant *|
|00001000| 2f 0d 0d 20 20 4e 65 77 | 2d 3e 54 65 78 74 75 72 |/..  New|->Textur|
|00001010| 65 20 3d 20 43 6f 70 79 | 5f 54 65 78 74 75 72 65 |e = Copy|_Texture|
|00001020| 73 20 28 4f 6c 64 2d 3e | 54 65 78 74 75 72 65 29 |s (Old->|Texture)|
|00001030| 3b 0d 20 20 4e 65 77 2d | 3e 42 6f 75 6e 64 20 20 |;.  New-|>Bound  |
|00001040| 20 3d 20 43 6f 70 79 5f | 42 6f 75 6e 64 5f 43 6c | = Copy_|Bound_Cl|
|00001050| 69 70 20 28 4f 6c 64 2d | 3e 42 6f 75 6e 64 29 3b |ip (Old-|>Bound);|
|00001060| 0d 20 20 69 66 20 28 4f | 6c 64 2d 3e 42 6f 75 6e |.  if (O|ld->Boun|
|00001070| 64 20 21 3d 20 4f 6c 64 | 2d 3e 43 6c 69 70 29 0d |d != Old|->Clip).|
|00001080| 20 20 20 20 4e 65 77 2d | 3e 43 6c 69 70 20 20 3d |    New-|>Clip  =|
|00001090| 20 43 6f 70 79 5f 42 6f | 75 6e 64 5f 43 6c 69 70 | Copy_Bo|und_Clip|
|000010a0| 20 28 4f 6c 64 2d 3e 43 | 6c 69 70 29 3b 0d 20 20 | (Old->C|lip);.  |
|000010b0| 65 6c 73 65 0d 20 20 20 | 20 4e 65 77 2d 3e 43 6c |else.   | New->Cl|
|000010c0| 69 70 20 20 3d 20 4e 65 | 77 2d 3e 42 6f 75 6e 64 |ip  = Ne|w->Bound|
|000010d0| 3b 0d 0d 20 20 72 65 74 | 75 72 6e 20 28 4e 65 77 |;..  ret|urn (New|
|000010e0| 29 3b 0d 20 20 7d 20 20 | 20 0d 0d 76 6f 69 64 20 |);.  }  | ..void |
|000010f0| 54 72 61 6e 73 6c 61 74 | 65 5f 4f 62 6a 65 63 74 |Translat|e_Object|
|00001100| 20 28 4f 62 6a 65 63 74 | 2c 20 56 65 63 74 6f 72 | (Object|, Vector|
|00001110| 29 0d 4f 42 4a 45 43 54 | 20 2a 4f 62 6a 65 63 74 |).OBJECT| *Object|
|00001120| 3b 0d 56 45 43 54 4f 52 | 20 2a 56 65 63 74 6f 72 |;.VECTOR| *Vector|
|00001130| 3b 0d 20 20 7b 0d 20 20 | 4f 42 4a 45 43 54 20 2a |;.  {.  |OBJECT *|
|00001140| 53 69 62 3b 0d 0d 20 20 | 69 66 20 28 4f 62 6a 65 |Sib;..  |if (Obje|
|00001150| 63 74 20 3d 3d 20 4e 55 | 4c 4c 29 0d 20 20 20 20 |ct == NU|LL).    |
|00001160| 72 65 74 75 72 6e 3b 0d | 0d 20 20 66 6f 72 20 28 |return;.|.  for (|
|00001170| 53 69 62 20 3d 20 4f 62 | 6a 65 63 74 2d 3e 42 6f |Sib = Ob|ject->Bo|
|00001180| 75 6e 64 3b 0d 20 20 53 | 69 62 20 21 3d 20 4e 55 |und;.  S|ib != NU|
|00001190| 4c 4c 3b 0d 20 20 53 69 | 62 20 3d 20 53 69 62 2d |LL;.  Si|b = Sib-|
|000011a0| 3e 53 69 62 6c 69 6e 67 | 29 0d 20 20 20 20 54 72 |>Sibling|).    Tr|
|000011b0| 61 6e 73 6c 61 74 65 5f | 4f 62 6a 65 63 74 20 28 |anslate_|Object (|
|000011c0| 53 69 62 2c 20 56 65 63 | 74 6f 72 29 3b 0d 0d 20 |Sib, Vec|tor);.. |
|000011d0| 20 69 66 20 28 4f 62 6a | 65 63 74 2d 3e 43 6c 69 | if (Obj|ect->Cli|
|000011e0| 70 20 21 3d 20 4f 62 6a | 65 63 74 2d 3e 42 6f 75 |p != Obj|ect->Bou|
|000011f0| 6e 64 29 0d 20 20 20 20 | 66 6f 72 20 28 53 69 62 |nd).    |for (Sib|
|00001200| 20 3d 20 4f 62 6a 65 63 | 74 2d 3e 43 6c 69 70 3b | = Objec|t->Clip;|
|00001210| 0d 20 20 53 69 62 20 21 | 3d 20 4e 55 4c 4c 3b 0d |.  Sib !|= NULL;.|
|00001220| 20 20 53 69 62 20 3d 20 | 53 69 62 2d 3e 53 69 62 |  Sib = |Sib->Sib|
|00001230| 6c 69 6e 67 29 0d 20 20 | 20 20 54 72 61 6e 73 6c |ling).  |  Transl|
|00001240| 61 74 65 5f 4f 62 6a 65 | 63 74 20 28 53 69 62 2c |ate_Obje|ct (Sib,|
|00001250| 20 56 65 63 74 6f 72 29 | 3b 0d 0d 20 20 54 72 61 | Vector)|;..  Tra|
|00001260| 6e 73 6c 61 74 65 5f 54 | 65 78 74 75 72 65 73 20 |nslate_T|extures |
|00001270| 28 4f 62 6a 65 63 74 2d | 3e 54 65 78 74 75 72 65 |(Object-|>Texture|
|00001280| 2c 56 65 63 74 6f 72 29 | 3b 0d 0d 20 20 54 72 61 |,Vector)|;..  Tra|
|00001290| 6e 73 6c 61 74 65 20 28 | 4f 62 6a 65 63 74 2c 56 |nslate (|Object,V|
|000012a0| 65 63 74 6f 72 29 3b 0d | 20 20 7d 0d 0d 76 6f 69 |ector);.|  }..voi|
|000012b0| 64 20 52 6f 74 61 74 65 | 5f 4f 62 6a 65 63 74 20 |d Rotate|_Object |
|000012c0| 28 4f 62 6a 65 63 74 2c | 20 56 65 63 74 6f 72 29 |(Object,| Vector)|
|000012d0| 0d 4f 42 4a 45 43 54 20 | 2a 4f 62 6a 65 63 74 3b |.OBJECT |*Object;|
|000012e0| 0d 56 45 43 54 4f 52 20 | 2a 56 65 63 74 6f 72 3b |.VECTOR |*Vector;|
|000012f0| 0d 20 20 7b 0d 20 20 4f | 42 4a 45 43 54 20 2a 53 |.  {.  O|BJECT *S|
|00001300| 69 62 3b 0d 0d 20 20 69 | 66 20 28 4f 62 6a 65 63 |ib;..  i|f (Objec|
|00001310| 74 20 3d 3d 20 4e 55 4c | 4c 29 0d 20 20 20 20 72 |t == NUL|L).    r|
|00001320| 65 74 75 72 6e 3b 0d 0d | 20 20 66 6f 72 20 28 53 |eturn;..|  for (S|
|00001330| 69 62 20 3d 20 4f 62 6a | 65 63 74 2d 3e 42 6f 75 |ib = Obj|ect->Bou|
|00001340| 6e 64 3b 0d 20 20 53 69 | 62 20 21 3d 20 4e 55 4c |nd;.  Si|b != NUL|
|00001350| 4c 3b 0d 20 20 53 69 62 | 20 3d 20 53 69 62 2d 3e |L;.  Sib| = Sib->|
|00001360| 53 69 62 6c 69 6e 67 29 | 0d 20 20 20 20 52 6f 74 |Sibling)|.    Rot|
|00001370| 61 74 65 5f 4f 62 6a 65 | 63 74 20 28 53 69 62 2c |ate_Obje|ct (Sib,|
|00001380| 20 56 65 63 74 6f 72 29 | 3b 0d 0d 20 20 69 66 20 | Vector)|;..  if |
|00001390| 28 4f 62 6a 65 63 74 2d | 3e 43 6c 69 70 20 21 3d |(Object-|>Clip !=|
|000013a0| 20 4f 62 6a 65 63 74 2d | 3e 42 6f 75 6e 64 29 0d | Object-|>Bound).|
|000013b0| 20 20 20 20 66 6f 72 20 | 28 53 69 62 20 3d 20 4f |    for |(Sib = O|
|000013c0| 62 6a 65 63 74 2d 3e 43 | 6c 69 70 3b 0d 20 20 53 |bject->C|lip;.  S|
|000013d0| 69 62 20 21 3d 20 4e 55 | 4c 4c 3b 0d 20 20 53 69 |ib != NU|LL;.  Si|
|000013e0| 62 20 3d 20 53 69 62 2d | 3e 53 69 62 6c 69 6e 67 |b = Sib-|>Sibling|
|000013f0| 29 0d 20 20 20 20 52 6f | 74 61 74 65 5f 4f 62 6a |).    Ro|tate_Obj|
|00001400| 65 63 74 20 28 53 69 62 | 2c 20 56 65 63 74 6f 72 |ect (Sib|, Vector|
|00001410| 29 3b 0d 0d 20 20 52 6f | 74 61 74 65 5f 54 65 78 |);..  Ro|tate_Tex|
|00001420| 74 75 72 65 73 20 28 4f | 62 6a 65 63 74 2d 3e 54 |tures (O|bject->T|
|00001430| 65 78 74 75 72 65 2c 56 | 65 63 74 6f 72 29 3b 0d |exture,V|ector);.|
|00001440| 0d 20 20 52 6f 74 61 74 | 65 20 28 4f 62 6a 65 63 |.  Rotat|e (Objec|
|00001450| 74 2c 56 65 63 74 6f 72 | 29 3b 0d 20 20 7d 0d 0d |t,Vector|);.  }..|
|00001460| 76 6f 69 64 20 53 63 61 | 6c 65 5f 4f 62 6a 65 63 |void Sca|le_Objec|
|00001470| 74 20 28 4f 62 6a 65 63 | 74 2c 20 56 65 63 74 6f |t (Objec|t, Vecto|
|00001480| 72 29 0d 4f 42 4a 45 43 | 54 20 2a 4f 62 6a 65 63 |r).OBJEC|T *Objec|
|00001490| 74 3b 0d 56 45 43 54 4f | 52 20 2a 56 65 63 74 6f |t;.VECTO|R *Vecto|
|000014a0| 72 3b 0d 20 20 7b 0d 20 | 20 4f 42 4a 45 43 54 20 |r;.  {. | OBJECT |
|000014b0| 2a 53 69 62 3b 0d 0d 20 | 20 69 66 20 28 4f 62 6a |*Sib;.. | if (Obj|
|000014c0| 65 63 74 20 3d 3d 20 4e | 55 4c 4c 29 0d 20 20 20 |ect == N|ULL).   |
|000014d0| 20 72 65 74 75 72 6e 3b | 0d 0d 20 20 66 6f 72 20 | return;|..  for |
|000014e0| 28 53 69 62 20 3d 20 4f | 62 6a 65 63 74 2d 3e 42 |(Sib = O|bject->B|
|000014f0| 6f 75 6e 64 3b 0d 20 20 | 53 69 62 20 21 3d 20 4e |ound;.  |Sib != N|
|00001500| 55 4c 4c 3b 0d 20 20 53 | 69 62 20 3d 20 53 69 62 |ULL;.  S|ib = Sib|
|00001510| 2d 3e 53 69 62 6c 69 6e | 67 29 0d 20 20 20 20 53 |->Siblin|g).    S|
|00001520| 63 61 6c 65 5f 4f 62 6a | 65 63 74 20 28 53 69 62 |cale_Obj|ect (Sib|
|00001530| 2c 20 56 65 63 74 6f 72 | 29 3b 0d 0d 20 20 69 66 |, Vector|);..  if|
|00001540| 20 28 4f 62 6a 65 63 74 | 2d 3e 43 6c 69 70 20 21 | (Object|->Clip !|
|00001550| 3d 20 4f 62 6a 65 63 74 | 2d 3e 42 6f 75 6e 64 29 |= Object|->Bound)|
|00001560| 0d 20 20 20 20 66 6f 72 | 20 28 53 69 62 20 3d 20 |.    for| (Sib = |
|00001570| 4f 62 6a 65 63 74 2d 3e | 43 6c 69 70 3b 0d 20 20 |Object->|Clip;.  |
|00001580| 53 69 62 20 21 3d 20 4e | 55 4c 4c 3b 0d 20 20 53 |Sib != N|ULL;.  S|
|00001590| 69 62 20 3d 20 53 69 62 | 2d 3e 53 69 62 6c 69 6e |ib = Sib|->Siblin|
|000015a0| 67 29 0d 20 20 20 20 53 | 63 61 6c 65 5f 4f 62 6a |g).    S|cale_Obj|
|000015b0| 65 63 74 20 28 53 69 62 | 2c 20 56 65 63 74 6f 72 |ect (Sib|, Vector|
|000015c0| 29 3b 0d 0d 20 20 53 63 | 61 6c 65 5f 54 65 78 74 |);..  Sc|ale_Text|
|000015d0| 75 72 65 73 20 28 4f 62 | 6a 65 63 74 2d 3e 54 65 |ures (Ob|ject->Te|
|000015e0| 78 74 75 72 65 2c 56 65 | 63 74 6f 72 29 3b 0d 0d |xture,Ve|ctor);..|
|000015f0| 20 20 53 63 61 6c 65 20 | 28 4f 62 6a 65 63 74 2c |  Scale |(Object,|
|00001600| 56 65 63 74 6f 72 29 3b | 0d 20 20 7d 0d 0d 69 6e |Vector);|.  }..in|
|00001610| 74 20 49 6e 73 69 64 65 | 5f 4f 62 6a 65 63 74 20 |t Inside|_Object |
|00001620| 28 49 50 6f 69 6e 74 2c | 20 4f 62 6a 65 63 74 29 |(IPoint,| Object)|
|00001630| 0d 56 45 43 54 4f 52 20 | 2a 49 50 6f 69 6e 74 3b |.VECTOR |*IPoint;|
|00001640| 0d 4f 42 4a 45 43 54 20 | 2a 4f 62 6a 65 63 74 3b |.OBJECT |*Object;|
|00001650| 0d 20 20 7b 0d 20 20 4f | 42 4a 45 43 54 20 2a 53 |.  {.  O|BJECT *S|
|00001660| 69 62 3b 0d 0d 20 20 2f | 2a 20 72 65 6d 6f 76 65 |ib;..  /|* remove|
|00001670| 64 20 37 2f 31 39 2f 39 | 32 20 43 45 59 20 20 20 |d 7/19/9|2 CEY   |
|00001680| 0d 20 20 20 66 6f 72 20 | 28 53 69 62 20 3d 20 4f |.   for |(Sib = O|
|00001690| 62 6a 65 63 74 2d 3e 42 | 6f 75 6e 64 3b 0d 20 20 |bject->B|ound;.  |
|000016a0| 20 20 20 20 20 20 53 69 | 62 20 21 3d 20 4e 55 4c |      Si|b != NUL|
|000016b0| 4c 3b 0d 20 20 20 20 20 | 20 20 20 53 69 62 20 3d |L;.     |   Sib =|
|000016c0| 20 53 69 62 2d 3e 53 69 | 62 6c 69 6e 67 29 0d 20 | Sib->Si|bling). |
|000016d0| 20 20 20 20 69 66 20 28 | 21 49 6e 73 69 64 65 5f |    if (|!Inside_|
|000016e0| 4f 62 6a 65 63 74 28 49 | 50 6f 69 6e 74 2c 20 53 |Object(I|Point, S|
|000016f0| 69 62 29 29 0d 20 20 20 | 20 20 20 20 72 65 74 75 |ib)).   |    retu|
|00001700| 72 6e 28 46 41 4c 53 45 | 29 3b 0d 2a 2f 0d 20 20 |rn(FALSE|);.*/.  |
|00001710| 66 6f 72 20 28 53 69 62 | 20 3d 20 4f 62 6a 65 63 |for (Sib| = Objec|
|00001720| 74 2d 3e 43 6c 69 70 3b | 0d 20 20 53 69 62 20 21 |t->Clip;|.  Sib !|
|00001730| 3d 20 4e 55 4c 4c 3b 0d | 20 20 53 69 62 20 3d 20 |= NULL;.|  Sib = |
|00001740| 53 69 62 2d 3e 53 69 62 | 6c 69 6e 67 29 0d 20 20 |Sib->Sib|ling).  |
|00001750| 20 20 69 66 20 28 21 49 | 6e 73 69 64 65 5f 4f 62 |  if (!I|nside_Ob|
|00001760| 6a 65 63 74 28 49 50 6f | 69 6e 74 2c 20 53 69 62 |ject(IPo|int, Sib|
|00001770| 29 29 0d 20 20 20 20 20 | 20 72 65 74 75 72 6e 28 |)).     | return(|
|00001780| 46 41 4c 53 45 29 3b 0d | 0d 20 20 72 65 74 75 72 |FALSE);.|.  retur|
|00001790| 6e 20 28 49 6e 73 69 64 | 65 28 49 50 6f 69 6e 74 |n (Insid|e(IPoint|
|000017a0| 2c 4f 62 6a 65 63 74 29 | 29 3b 0d 20 20 7d 0d 0d |,Object)|);.  }..|
|000017b0| 76 6f 69 64 20 49 6e 76 | 65 72 74 5f 4f 62 6a 65 |void Inv|ert_Obje|
|000017c0| 63 74 20 28 4f 62 6a 65 | 63 74 29 0d 4f 42 4a 45 |ct (Obje|ct).OBJE|
|000017d0| 43 54 20 2a 4f 62 6a 65 | 63 74 3b 0d 20 20 7b 0d |CT *Obje|ct;.  {.|
|000017e0| 20 20 2f 2a 20 20 20 4f | 42 4a 45 43 54 20 2a 53 |  /*   O|BJECT *S|
|000017f0| 69 62 3b 20 2a 2f 0d 0d | 20 20 69 66 20 28 4f 62 |ib; */..|  if (Ob|
|00001800| 6a 65 63 74 20 3d 3d 20 | 4e 55 4c 4c 29 0d 20 20 |ject == |NULL).  |
|00001810| 20 20 72 65 74 75 72 6e | 3b 0d 0d 20 20 2f 2a 20 |  return|;..  /* |
|00001820| 72 65 6d 6f 76 65 64 20 | 33 2f 32 39 2f 39 33 20 |removed |3/29/93 |
|00001830| 43 45 59 0d 20 20 20 66 | 6f 72 20 28 53 69 62 20 |CEY.   f|or (Sib |
|00001840| 3d 20 4f 62 6a 65 63 74 | 2d 3e 43 6c 69 70 3b 0d |= Object|->Clip;.|
|00001850| 20 20 20 20 20 20 20 20 | 53 69 62 20 21 3d 20 4e |        |Sib != N|
|00001860| 55 4c 4c 3b 0d 20 20 20 | 20 20 20 20 20 53 69 62 |ULL;.   |     Sib|
|00001870| 20 3d 20 53 69 62 2d 3e | 53 69 62 6c 69 6e 67 29 | = Sib->|Sibling)|
|00001880| 0d 20 20 20 20 20 49 6e | 76 65 72 74 5f 4f 62 6a |.     In|vert_Obj|
|00001890| 65 63 74 20 28 53 69 62 | 29 3b 0d 2a 2f 0d 20 20 |ect (Sib|);.*/.  |
|000018a0| 49 6e 76 65 72 74 20 28 | 4f 62 6a 65 63 74 29 3b |Invert (|Object);|
|000018b0| 0d 20 20 7d 0d 0d 76 6f | 69 64 20 44 65 73 74 72 |.  }..vo|id Destr|
|000018c0| 6f 79 5f 4f 62 6a 65 63 | 74 20 28 4f 62 6a 65 63 |oy_Objec|t (Objec|
|000018d0| 74 29 0d 4f 42 4a 45 43 | 54 20 2a 4f 62 6a 65 63 |t).OBJEC|T *Objec|
|000018e0| 74 3b 0d 20 20 7b 0d 20 | 20 4f 42 4a 45 43 54 20 |t;.  {. | OBJECT |
|000018f0| 2a 53 69 62 3b 0d 0d 20 | 20 77 68 69 6c 65 20 28 |*Sib;.. | while (|
|00001900| 4f 62 6a 65 63 74 20 21 | 3d 20 4e 55 4c 4c 29 0d |Object !|= NULL).|
|00001910| 20 20 20 20 7b 0d 20 20 | 20 20 44 65 73 74 72 6f |    {.  |  Destro|
|00001920| 79 5f 54 65 78 74 75 72 | 65 73 20 28 4f 62 6a 65 |y_Textur|es (Obje|
|00001930| 63 74 2d 3e 54 65 78 74 | 75 72 65 29 3b 0d 20 20 |ct->Text|ure);.  |
|00001940| 20 20 44 65 73 74 72 6f | 79 5f 4f 62 6a 65 63 74 |  Destro|y_Object|
|00001950| 20 28 4f 62 6a 65 63 74 | 2d 3e 42 6f 75 6e 64 29 | (Object|->Bound)|
|00001960| 3b 0d 20 20 20 20 69 66 | 20 28 4f 62 6a 65 63 74 |;.    if| (Object|
|00001970| 2d 3e 42 6f 75 6e 64 20 | 21 3d 20 4f 62 6a 65 63 |->Bound |!= Objec|
|00001980| 74 2d 3e 43 6c 69 70 29 | 0d 20 20 20 20 20 20 44 |t->Clip)|.      D|
|00001990| 65 73 74 72 6f 79 5f 4f | 62 6a 65 63 74 20 28 4f |estroy_O|bject (O|
|000019a0| 62 6a 65 63 74 2d 3e 43 | 6c 69 70 29 3b 0d 20 20 |bject->C|lip);.  |
|000019b0| 20 20 53 69 62 20 3d 20 | 4f 62 6a 65 63 74 2d 3e |  Sib = |Object->|
|000019c0| 53 69 62 6c 69 6e 67 3b | 0d 20 20 20 20 44 65 73 |Sibling;|.    Des|
|000019d0| 74 72 6f 79 28 4f 62 6a | 65 63 74 29 3b 0d 20 20 |troy(Obj|ect);.  |
|000019e0| 20 20 4f 62 6a 65 63 74 | 20 3d 20 53 69 62 3b 0d |  Object| = Sib;.|
|000019f0| 20 20 20 20 7d 0d 20 20 | 7d 20 20 20 0d 0d 76 6f |    }.  |}   ..vo|
|00001a00| 69 64 20 54 72 61 6e 73 | 66 6f 72 6d 5f 4f 62 6a |id Trans|form_Obj|
|00001a10| 65 63 74 20 28 4f 62 6a | 65 63 74 2c 20 54 72 61 |ect (Obj|ect, Tra|
|00001a20| 6e 73 29 0d 4f 42 4a 45 | 43 54 20 2a 4f 62 6a 65 |ns).OBJE|CT *Obje|
|00001a30| 63 74 3b 0d 54 52 41 4e | 53 46 4f 52 4d 20 2a 54 |ct;.TRAN|SFORM *T|
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|00001ac0| 20 20 54 72 61 6e 73 66 | 6f 72 6d 5f 4f 62 6a 65 |  Transf|orm_Obje|
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|00001af0| 43 6c 69 70 20 21 3d 20 | 4f 62 6a 65 63 74 2d 3e |Clip != |Object->|
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|00001b20| 69 70 3b 0d 20 20 53 69 | 62 20 21 3d 20 4e 55 4c |ip;.  Si|b != NUL|
|00001b30| 4c 3b 0d 20 20 53 69 62 | 20 3d 20 53 69 62 2d 3e |L;.  Sib| = Sib->|
|00001b40| 53 69 62 6c 69 6e 67 29 | 0d 20 20 20 20 54 72 61 |Sibling)|.    Tra|
|00001b50| 6e 73 66 6f 72 6d 5f 4f | 62 6a 65 63 74 20 28 53 |nsform_O|bject (S|
|00001b60| 69 62 2c 20 54 72 61 6e | 73 29 3b 0d 0d 20 20 54 |ib, Tran|s);..  T|
|00001b70| 72 61 6e 73 66 6f 72 6d | 5f 54 65 78 74 75 72 65 |ransform|_Texture|
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|00001b90| 72 65 2c 54 72 61 6e 73 | 29 3b 0d 0d 20 20 54 72 |re,Trans|);..  Tr|
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|00001bb0| 54 72 61 6e 73 29 3b 0d | 20 20 7d 0d 0d 76 6f 69 |Trans);.|  }..voi|
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|00001bf0| 77 20 3d 20 28 49 53 54 | 41 43 4b 20 2a 29 20 6d |w = (IST|ACK *) m|
|00001c00| 61 6c 6c 6f 63 20 28 73 | 69 7a 65 6f 66 20 28 49 |alloc (s|izeof (I|
|00001c10| 53 54 41 43 4b 29 29 29 | 20 3d 3d 20 4e 55 4c 4c |STACK)))| == NULL|
|00001c20| 29 20 0d 20 20 20 20 7b | 0d 20 20 20 20 66 70 72 |) .    {|.    fpr|
|00001c30| 69 6e 74 66 20 28 73 74 | 64 65 72 72 2c 20 22 5c |intf (st|derr, "\|
|00001c40| 6e 4f 75 74 20 6f 66 20 | 6d 65 6d 6f 72 79 2e 20 |nOut of |memory. |
|00001c50| 43 61 6e 6e 6f 74 20 61 | 6c 6c 6f 63 61 74 65 20 |Cannot a|llocate |
|00001c60| 69 73 74 61 63 6b 22 29 | 3b 0d 20 20 20 20 63 6c |istack")|;.    cl|
|00001c70| 6f 73 65 5f 61 6c 6c 28 | 29 3b 0d 20 20 20 20 65 |ose_all(|);.    e|
|00001c80| 78 69 74 28 31 29 3b 0d | 20 20 20 20 7d 0d 0d 20 |xit(1);.|    }.. |
|00001c90| 20 4e 65 77 2d 3e 6e 65 | 78 74 20 3d 20 66 72 65 | New->ne|xt = fre|
|00001ca0| 65 5f 69 73 74 61 63 6b | 3b 0d 20 20 66 72 65 65 |e_istack|;.  free|
|00001cb0| 5f 69 73 74 61 63 6b 20 | 3d 20 4e 65 77 3b 0d 0d |_istack |= New;..|
|00001cc0| 20 20 69 66 20 28 28 4e | 65 77 2d 3e 69 73 74 61 |  if ((N|ew->ista|
|00001cd0| 63 6b 20 3d 20 28 49 4e | 54 45 52 53 45 43 54 49 |ck = (IN|TERSECTI|
|00001ce0| 4f 4e 20 2a 29 0d 20 20 | 20 20 6d 61 6c 6c 6f 63 |ON *).  |  malloc|
|00001cf0| 20 28 4d 61 78 5f 49 6e | 74 65 72 73 65 63 74 69 | (Max_In|tersecti|
|00001d00| 6f 6e 73 20 2a 20 73 69 | 7a 65 6f 66 20 28 49 4e |ons * si|zeof (IN|
|00001d10| 54 45 52 53 45 43 54 49 | 4f 4e 29 29 29 20 3d 3d |TERSECTI|ON))) ==|
|00001d20| 20 4e 55 4c 4c 29 20 0d | 20 20 20 20 7b 0d 20 20 | NULL) .|    {.  |
|00001d30| 20 20 66 70 72 69 6e 74 | 66 20 28 73 74 64 65 72 |  fprint|f (stder|
|00001d40| 72 2c 20 22 5c 6e 4f 75 | 74 20 6f 66 20 6d 65 6d |r, "\nOu|t of mem|
|00001d50| 6f 72 79 2e 20 43 61 6e | 6e 6f 74 20 61 6c 6c 6f |ory. Can|not allo|
|00001d60| 63 61 74 65 20 69 73 74 | 61 63 6b 20 65 6e 74 72 |cate ist|ack entr|
|00001d70| 69 65 73 22 29 3b 0d 20 | 20 20 20 63 6c 6f 73 65 |ies");. |   close|
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|00001d90| 28 31 29 3b 0d 20 20 20 | 20 7d 0d 20 20 4e 75 6d |(1);.   | }.  Num|
|00001da0| 62 65 72 5f 6f 66 5f 69 | 73 74 61 63 6b 73 2b 2b |ber_of_i|stacks++|
|00001db0| 3b 0d 20 20 7d 0d 0d 49 | 53 54 41 43 4b 20 2a 6f |;.  }..I|STACK *o|
|00001dc0| 70 65 6e 5f 69 73 74 61 | 63 6b 28 29 0d 20 20 7b |pen_ista|ck().  {|
|00001dd0| 0d 20 20 49 53 54 41 43 | 4b 20 2a 69 73 74 6b 3b |.  ISTAC|K *istk;|
|00001de0| 0d 0d 20 20 69 66 20 28 | 66 72 65 65 5f 69 73 74 |..  if (|free_ist|
|00001df0| 61 63 6b 20 3d 3d 20 4e | 55 4c 4c 29 20 0d 20 20 |ack == N|ULL) .  |
|00001e00| 20 20 63 72 65 61 74 65 | 5f 69 73 74 61 63 6b 20 |  create|_istack |
|00001e10| 28 29 3b 0d 0d 20 20 69 | 73 74 6b 20 3d 20 66 72 |();..  i|stk = fr|
|00001e20| 65 65 5f 69 73 74 61 63 | 6b 3b 0d 20 20 66 72 65 |ee_istac|k;.  fre|
|00001e30| 65 5f 69 73 74 61 63 6b | 20 3d 20 69 73 74 6b 2d |e_istack| = istk-|
|00001e40| 3e 6e 65 78 74 3b 0d 20 | 20 69 73 74 6b 2d 3e 74 |>next;. | istk->t|
|00001e50| 6f 70 5f 65 6e 74 72 79 | 20 3d 20 30 3b 0d 0d 20 |op_entry| = 0;.. |
|00001e60| 20 72 65 74 75 72 6e 20 | 28 69 73 74 6b 29 3b 0d | return |(istk);.|
|00001e70| 20 20 7d 0d 0d 76 6f 69 | 64 20 63 6c 6f 73 65 5f |  }..voi|d close_|
|00001e80| 69 73 74 61 63 6b 20 28 | 69 73 74 6b 29 0d 49 53 |istack (|istk).IS|
|00001e90| 54 41 43 4b 20 2a 69 73 | 74 6b 3b 0d 20 20 7b 0d |TACK *is|tk;.  {.|
|00001ea0| 20 20 69 73 74 6b 2d 3e | 6e 65 78 74 20 3d 20 66 |  istk->|next = f|
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|00001ec0| 65 65 5f 69 73 74 61 63 | 6b 20 3d 20 69 73 74 6b |ee_istac|k = istk|
|00001ed0| 3b 0d 20 20 7d 0d 0d 76 | 6f 69 64 20 69 6e 63 73 |;.  }..v|oid incs|
|00001ee0| 74 61 63 6b 28 69 73 74 | 6b 29 0d 49 53 54 41 43 |tack(ist|k).ISTAC|
|00001ef0| 4b 20 2a 69 73 74 6b 3b | 0d 20 20 7b 0d 20 20 69 |K *istk;|.  {.  i|
|00001f00| 66 20 28 2b 2b 69 73 74 | 6b 2d 3e 74 6f 70 5f 65 |f (++ist|k->top_e|
|00001f10| 6e 74 72 79 20 3e 3d 20 | 28 75 6e 73 69 67 6e 65 |ntry >= |(unsigne|
|00001f20| 64 20 69 6e 74 29 4d 61 | 78 5f 49 6e 74 65 72 73 |d int)Ma|x_Inters|
|00001f30| 65 63 74 69 6f 6e 73 29 | 0d 20 20 20 20 7b 0d 20 |ections)|.    {. |
|00001f40| 20 20 20 69 73 74 6b 2d | 3e 74 6f 70 5f 65 6e 74 |   istk-|>top_ent|
|00001f50| 72 79 2d 2d 3b 0d 20 20 | 20 20 49 73 74 61 63 6b |ry--;.  |  Istack|
|00001f60| 5f 6f 76 65 72 66 6c 6f | 77 73 2b 2b 3b 0d 20 20 |_overflo|ws++;.  |
|00001f70| 20 20 7d 0d 20 20 7d 0d | 00 00 00 00 00 00 00 00 |  }.  }.|........|
|00001f80| 00 00 01 00 00 00 01 6e | 00 00 00 6e 00 00 00 3e |.......n|...n...>|
|00001f90| 79 4d 6f 64 65 20 3d 20 | 73 72 63 43 6f 70 79 3b |yMode = |srcCopy;|
|00001fa0| 0d 0d 09 09 69 66 20 28 | 21 61 6e 45 72 72 6f 72 |....if (|!anError|
|00001fb0| 09 4f 42 4a 45 43 54 53 | 2e 43 02 00 00 00 54 45 |.OBJECTS|.C....TE|
|00001fc0| 58 54 4d 50 53 20 01 08 | ff ff ff ff 00 00 00 00 |XTMPS ..|........|
|00001fd0| 00 00 54 45 58 54 4d 50 | 53 20 01 08 ff ff ff ff |..TEXTMP|S ......|
|00001fe0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00001ff0| 00 00 a8 f5 84 06 00 00 | 1e f8 00 00 01 ac 20 69 |........|...... i|
|00002000| 20 3d 20 69 20 2b 20 76 | 69 72 74 75 61 6c 5f 70 | = i + v|irtual_p|
|00002010| 69 78 48 65 69 67 68 74 | 29 0d 09 09 09 09 7b 0d |ixHeight|).....{.|
|00002020| 09 09 09 09 09 73 77 61 | 70 5f 76 69 72 74 75 61 |.....swa|p_virtua|
|00002030| 6c 5f 73 65 67 6d 65 6e | 74 20 28 69 29 3b 0d 09 |l_segmen|t (i);..|
|00002040| 09 09 09 09 6d 79 5f 62 | 6f 75 6e 64 73 2e 74 6f |....my_b|ounds.to|
|00002050| 70 20 3d 20 69 3b 0d 2f | 2f 20 4e 4f 54 45 2c 20 |p = i;./|/ NOTE, |
|00002060| 4a 49 4d 21 20 28 6e 65 | 78 74 20 73 6f 75 72 63 |JIM! (ne|xt sourc|
|00002070| 65 20 6c 69 6e 65 29 0d | 2f 2f 20 42 79 20 64 6f |e line).|// By do|
|00002080| 00 00 00 48 00 09 4d 6f | 6e 61 63 6f 00 2a 2a 2a |...H..Mo|naco.***|
|00002090| 2a 2a 2a 2a 2a 2a 2a 2a | 2a 2a 2a 2a 2a 2a 2a 2a |********|********|
|000020a0| 2a 0d 2a 20 20 20 00 06 | 00 04 00 3c 00 24 01 dd |*.*   ..|...<.$..|
|000020b0| 02 3d 00 3c 00 24 01 dd | 02 3d a8 f5 84 06 00 00 |.=.<.$..|.=......|
|000020c0| 00 00 00 00 00 00 00 00 | 00 00 01 00 00 00 00 1e |........|........|
|000020d0| 00 3c 00 24 01 dd 02 3d | 00 3c 00 24 01 dd 02 3d |.<.$...=|.<.$...=|
|000020e0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000020f0| 01 00 00 00 01 6e 00 00 | 00 6e 00 00 00 3e 00 8d |.....n..|.n...>..|
|00002100| 3b f8 18 3e 00 00 00 1c | 00 3e 00 00 4d 50 53 52 |;..>....|.>..MPSR|
|00002110| 00 01 00 0a 03 ed ff ff | 00 00 00 00 00 00 00 00 |........|........|
|00002120| 03 f0 ff ff 00 00 00 4c | 00 8f 97 e8 00 00 00 00 |.......L|........|
|00002130| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00002140| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00002150| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00002160| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00002170| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
+--------+-------------------------+-------------------------+--------+--------+