892 lines
20 KiB
C
892 lines
20 KiB
C
/*
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** Copyright 1992, Silicon Graphics, Inc.
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** All Rights Reserved.
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**
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** This is UNPUBLISHED PROPRIETARY SOURCE CODE of Silicon Graphics, Inc.;
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** the contents of this file may not be disclosed to third parties, copied or
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** duplicated in any form, in whole or in part, without the prior written
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** permission of Silicon Graphics, Inc.
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**
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** RESTRICTED RIGHTS LEGEND:
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** Use, duplication or disclosure by the Government is subject to restrictions
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** as set forth in subdivision (c)(1)(ii) of the Rights in Technical Data
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** and Computer Software clause at DFARS 252.227-7013, and/or in similar or
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** successor clauses in the FAR, DOD or NASA FAR Supplement. Unpublished -
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** rights reserved under the Copyright Laws of the United States.
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**
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*/
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#include <setjmp.h>
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struct JumpBuffer {
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jmp_buf buf;
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};
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#define mysetjmp(x) setjmp((x)->buf)
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#define mylongjmp(x,y) longjmp((x)->buf, y)
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/* <<AT&T USL C++ Language System <3.0.1> 02/03/92>> */
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/* < ../core/monotonizer.c++ > */
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void *__vec_new (void *, int , int , void *);
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void __vec_ct (void *, int , int , void *);
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void __vec_dt (void *, int , int , void *);
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void __vec_delete (void *, int , int , void *, int , int );
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typedef int (*__vptp)(void);
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struct __mptr {short d; short i; __vptp f; };
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typedef unsigned int size_t ;
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// extern void *malloc (size_t );
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// extern void free (void *);
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struct Buffer;
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struct Buffer {
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struct Buffer *next__6Buffer ;
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};
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struct Pool;
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enum __Q2_4Pool5Magic { is_allocated__Q2_4Pool5Magic = 62369, is_free__Q2_4Pool5Magic = 61858} ;
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struct Pool {
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struct Buffer *freelist__4Pool ;
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char *blocklist__4Pool [32];
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int nextblock__4Pool ;
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char *curblock__4Pool ;
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int buffersize__4Pool ;
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int nextsize__4Pool ;
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int nextfree__4Pool ;
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int initsize__4Pool ;
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char *name__4Pool ;
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int magic__4Pool ;
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};
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void __glgrow__4PoolFv (struct Pool *);
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struct PooledObj;
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struct PooledObj {
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char __W3__9PooledObj ;
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};
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typedef float REAL ;
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typedef void (*Pfvv )(void );
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typedef void (*Pfvf )(float *);
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typedef int (*cmpfunc )(void *, void *);
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typedef REAL Knot ;
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typedef REAL *Knot_ptr ;
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struct TrimVertex;
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struct PwlArc;
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struct PwlArc {
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char __W3__9PooledObj ;
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struct TrimVertex *pts__6PwlArc ;
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int npts__6PwlArc ;
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long type__6PwlArc ;
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};
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struct TrimVertex;
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struct TrimVertex {
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REAL param__10TrimVertex [2];
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long nuid__10TrimVertex ;
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};
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typedef struct TrimVertex *TrimVertex_p ;
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struct Bin;
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struct Arc;
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struct BezierArc;
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typedef struct Arc *Arc_ptr ;
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enum arc_side { arc_none = 0, arc_right = 1, arc_top = 2, arc_left = 3, arc_bottom = 4} ;
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struct Arc;
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struct Arc {
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char __W3__9PooledObj ;
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Arc_ptr prev__3Arc ;
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Arc_ptr next__3Arc ;
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Arc_ptr link__3Arc ;
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struct BezierArc *bezierArc__3Arc ;
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struct PwlArc *pwlArc__3Arc ;
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long type__3Arc ;
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long nuid__3Arc ;
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};
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extern int __glbezier_tag__3Arc ;
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extern int __glarc_tag__3Arc ;
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extern int __gltail_tag__3Arc ;
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struct BezierArc;
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struct TrimVertexPool;
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struct ArcTessellator;
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struct ArcTessellator {
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struct Pool *pwlarcpool__14ArcTessellator ;
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struct TrimVertexPool *trimvertexpool__14ArcTessellator ;
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};
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extern REAL __glgl_Bernstein__14ArcTessell0 [][24][24];
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struct Mapdesc;
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struct BezierArc;
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struct BezierArc {
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char __W3__9PooledObj ;
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REAL *cpts__9BezierArc ;
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int order__9BezierArc ;
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int stride__9BezierArc ;
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long type__9BezierArc ;
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struct Mapdesc *mapdesc__9BezierArc ;
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};
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struct Bin;
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struct Bin {
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struct Arc *head__3Bin ;
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struct Arc *current__3Bin ;
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};
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typedef REAL Maxmatrix [5][5];
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struct Backend;
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struct Mapdesc;
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struct Mapdesc {
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char __W3__9PooledObj ;
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REAL pixel_tolerance__7Mapdesc ;
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REAL clampfactor__7Mapdesc ;
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REAL minsavings__7Mapdesc ;
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REAL maxrate__7Mapdesc ;
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REAL maxsrate__7Mapdesc ;
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REAL maxtrate__7Mapdesc ;
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REAL bboxsize__7Mapdesc [5];
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long type__7Mapdesc ;
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int isrational__7Mapdesc ;
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int ncoords__7Mapdesc ;
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int hcoords__7Mapdesc ;
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int inhcoords__7Mapdesc ;
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int mask__7Mapdesc ;
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Maxmatrix bmat__7Mapdesc ;
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Maxmatrix cmat__7Mapdesc ;
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Maxmatrix smat__7Mapdesc ;
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REAL s_steps__7Mapdesc ;
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REAL t_steps__7Mapdesc ;
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REAL sampling_method__7Mapdesc ;
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REAL culling_method__7Mapdesc ;
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REAL bbox_subdividing__7Mapdesc ;
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struct Mapdesc *next__7Mapdesc ;
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struct Backend *backend__7Mapdesc ;
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};
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void __glcopy__7MapdescSFPA5_flPfN20 (REAL (*)[5], long , float *, long , long );
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void __glxformRational__7MapdescFPA0 (struct Mapdesc *, REAL (*)[5], REAL *, REAL *);
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void __glxformNonrational__7Mapdesc0 (struct Mapdesc *, REAL (*)[5], REAL *, REAL *);
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struct JumpBuffer;
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struct Sorter;
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struct Sorter {
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int es__6Sorter ;
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struct __mptr *__vptr__6Sorter ;
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};
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struct FlistSorter;
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struct FlistSorter {
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int es__6Sorter ;
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struct __mptr *__vptr__6Sorter ;
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};
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struct Flist;
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struct Flist {
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REAL *pts__5Flist ;
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int npts__5Flist ;
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int start__5Flist ;
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int end__5Flist ;
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struct FlistSorter sorter__5Flist ;
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};
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struct Backend;
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struct Jarcloc;
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struct Jarcloc {
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struct Arc *arc__7Jarcloc ;
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struct TrimVertex *p__7Jarcloc ;
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struct TrimVertex *plast__7Jarcloc ;
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};
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struct Trimline;
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struct Trimline {
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struct TrimVertex **pts__8Trimline ;
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long numverts__8Trimline ;
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long i__8Trimline ;
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long size__8Trimline ;
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struct Jarcloc jarcl__8Trimline ;
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struct TrimVertex t__8Trimline ;
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struct TrimVertex b__8Trimline ;
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struct TrimVertex *tinterp__8Trimline ;
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struct TrimVertex *binterp__8Trimline ;
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};
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struct Gridline;
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struct Gridline {
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long v__8Gridline ;
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REAL vval__8Gridline ;
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long vindex__8Gridline ;
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long ustart__8Gridline ;
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long uend__8Gridline ;
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};
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struct Uarray;
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struct Uarray {
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long size__6Uarray ;
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long ulines__6Uarray ;
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REAL *uarray__6Uarray ;
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};
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struct Backend;
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struct TrimRegion;
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void __gl__dt__8TrimlineFv (struct Trimline *, int );
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void __gl__dt__6UarrayFv (struct Uarray *, int );
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struct TrimRegion {
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struct Trimline left__10TrimRegion ;
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struct Trimline right__10TrimRegion ;
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struct Gridline top__10TrimRegion ;
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struct Gridline bot__10TrimRegion ;
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struct Uarray uarray__10TrimRegion ;
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REAL oneOverDu__10TrimRegion ;
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};
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struct GridTrimVertex;
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struct __Q2_4Hull4Side;
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struct __Q2_4Hull4Side {
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struct Trimline *left__Q2_4Hull4Side ;
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struct Gridline *line__Q2_4Hull4Side ;
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struct Trimline *right__Q2_4Hull4Side ;
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long index__Q2_4Hull4Side ;
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};
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struct Hull;
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struct Hull {
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struct __Q2_4Hull4Side lower__4Hull ;
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struct __Q2_4Hull4Side upper__4Hull ;
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struct Trimline fakeleft__4Hull ;
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struct Trimline fakeright__4Hull ;
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struct TrimRegion *PTrimRegion;
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struct TrimRegion OTrimRegion;
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};
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struct Backend;
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struct GridTrimVertex;
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struct Mesher;
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struct Mesher {
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struct __Q2_4Hull4Side lower__4Hull ;
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struct __Q2_4Hull4Side upper__4Hull ;
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struct Trimline fakeleft__4Hull ;
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struct Trimline fakeright__4Hull ;
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struct TrimRegion *PTrimRegion;
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struct Backend *backend__6Mesher ;
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struct Pool p__6Mesher ;
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unsigned int stacksize__6Mesher ;
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struct GridTrimVertex **vdata__6Mesher ;
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struct GridTrimVertex *last__6Mesher [2];
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int itop__6Mesher ;
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int lastedge__6Mesher ;
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struct TrimRegion OTrimRegion;
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};
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extern float __glZERO__6Mesher ;
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struct Backend;
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struct GridVertex;
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struct GridTrimVertex;
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struct CoveAndTiler;
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struct CoveAndTiler {
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struct Backend *backend__12CoveAndTiler ;
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struct TrimRegion *PTrimRegion;
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struct TrimRegion OTrimRegion;
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};
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extern int __glMAXSTRIPSIZE__12CoveAndTil0 ;
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struct Backend;
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struct Slicer;
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struct Slicer {
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struct Backend *backend__12CoveAndTiler ;
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struct TrimRegion *PTrimRegion;
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struct Mesher OMesher;
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struct Backend *backend__6Slicer ;
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REAL oneOverDu__6Slicer ;
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REAL du__6Slicer ;
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REAL dv__6Slicer ;
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int isolines__6Slicer ;
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};
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struct TrimVertexPool;
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struct TrimVertexPool {
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struct Pool pool__14TrimVertexPool ;
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struct TrimVertex **vlist__14TrimVertexPool ;
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int nextvlistslot__14TrimVertexPool ;
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int vlistsize__14TrimVertexPool ;
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};
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struct Renderhints;
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struct Backend;
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struct Quilt;
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struct Patchlist;
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struct Curvelist;
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struct JumpBuffer;
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struct Subdivider;
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enum __Q2_10Subdivider3dir { down__Q2_10Subdivider3dir = 0, same__Q2_10Subdivider3dir = 1, up__Q2_10Subdivider3dir = 2, none__Q2_10Subdivider3dir = 3} ;
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struct Subdivider {
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struct Slicer slicer__10Subdivider ;
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struct ArcTessellator arctessellator__10Subdivider ;
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struct Pool arcpool__10Subdivider ;
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struct Pool bezierarcpool__10Subdivider ;
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struct Pool pwlarcpool__10Subdivider ;
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struct TrimVertexPool trimvertexpool__10Subdivider ;
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struct JumpBuffer *jumpbuffer__10Subdivider ;
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struct Renderhints *renderhints__10Subdivider ;
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struct Backend *backend__10Subdivider ;
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struct Bin initialbin__10Subdivider ;
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struct Arc *pjarc__10Subdivider ;
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int s_index__10Subdivider ;
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int t_index__10Subdivider ;
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struct Quilt *qlist__10Subdivider ;
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struct Flist spbrkpts__10Subdivider ;
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struct Flist tpbrkpts__10Subdivider ;
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struct Flist smbrkpts__10Subdivider ;
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struct Flist tmbrkpts__10Subdivider ;
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REAL stepsizes__10Subdivider [4];
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int showDegenerate__10Subdivider ;
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int isArcTypeBezier__10Subdivider ;
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};
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void __gltessellate__10SubdividerFP0 (struct Subdivider *, struct Arc *, REAL );
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int __glisDisconnected__3ArcFv (struct Arc *);
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void __glmonotonize__10SubdividerFP0 (struct Subdivider *, struct Arc *, struct Bin *);
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extern struct __mptr* __ptbl_vec_____core_monotonizer_c___decompose_[];
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int __gldecompose__10SubdividerFR30 (struct Subdivider *__0this , struct Bin *__1bin , REAL __1geo_stepsize )
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{
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{ { Arc_ptr __1jarc ;
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struct Arc *__1__Xjarc002hmkaiid ;
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__1jarc = ( (((struct Bin *)__1bin )-> current__3Bin = ((struct Bin *)__1bin )-> head__3Bin ), ( (__1__Xjarc002hmkaiid = ((struct Bin *)__1bin )-> current__3Bin ), (
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(__1__Xjarc002hmkaiid ?( (((struct Bin *)__1bin )-> current__3Bin = __1__Xjarc002hmkaiid -> link__3Arc ), 0 ) :( 0 ) ), __1__Xjarc002hmkaiid ) ) ) ;
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for(;__1jarc ;__1jarc = ( (__1__Xjarc002hmkaiid = ((struct Bin *)__1bin )-> current__3Bin ), ( (__1__Xjarc002hmkaiid ?( (((struct Bin *)__1bin )-> current__3Bin = __1__Xjarc002hmkaiid -> link__3Arc ), 0 )
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:( 0 ) ), __1__Xjarc002hmkaiid ) ) ) {
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if (! ( (((struct Arc *)__1jarc )-> pwlArc__3Arc ?1 :0 )) ){
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__gltessellate__10SubdividerFP0 ( __0this , __1jarc , __1geo_stepsize ) ;
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if (__glisDisconnected__3ArcFv ( (struct Arc *)__1jarc ) || __glisDisconnected__3ArcFv ( (struct Arc *)__1jarc -> next__3Arc ) )
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return 1 ;
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}
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}
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for(__1jarc = ( (((struct Bin *)__1bin )-> current__3Bin = ((struct Bin *)__1bin )-> head__3Bin ), ( (__1__Xjarc002hmkaiid = ((struct Bin *)__1bin )-> current__3Bin ), (
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(__1__Xjarc002hmkaiid ?( (((struct Bin *)__1bin )-> current__3Bin = __1__Xjarc002hmkaiid -> link__3Arc ), 0 ) :( 0 ) ), __1__Xjarc002hmkaiid ) ) ) ;__1jarc ;__1jarc =
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( (__1__Xjarc002hmkaiid = ((struct Bin *)__1bin )-> current__3Bin ), ( (__1__Xjarc002hmkaiid ?( (((struct Bin *)__1bin )-> current__3Bin = __1__Xjarc002hmkaiid -> link__3Arc ), 0 ) :(
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0 ) ), __1__Xjarc002hmkaiid ) ) ) {
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__glmonotonize__10SubdividerFP0 ( __0this , __1jarc , __1bin ) ;
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}
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return 0 ;
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}
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}
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}
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REAL __glcalcVelocityRational__7Map0 (struct Mapdesc *, REAL *, int , int );
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void __gltessellateNonlizNear__14Arc0 (struct ArcTessellator *, struct Arc *, REAL , REAL , int );
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void __gltessellateLizNear__14ArcTes0 (struct ArcTessellator *, struct Arc *, REAL , REAL , int );
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REAL __glcalcVelocityNonrational__70 (struct Mapdesc *, REAL *, int , int );
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void __gltessellate__10SubdividerFP0 (struct Subdivider *__0this , Arc_ptr __1jarc , REAL __1geo_stepsize )
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{
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struct BezierArc *__1b ;
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struct Mapdesc *__1mapdesc ;
|
|
|
|
__1b = __1jarc -> bezierArc__3Arc ;
|
|
__1mapdesc = __1b -> mapdesc__9BezierArc ;
|
|
|
|
if (( (((struct Mapdesc *)__1mapdesc )-> isrational__7Mapdesc ?1 :0 )) ){
|
|
REAL __2max ;
|
|
REAL __2arc_stepsize ;
|
|
|
|
__2max = __glcalcVelocityRational__7Map0 ( (struct Mapdesc *)__1mapdesc , __1b -> cpts__9BezierArc , __1b -> stride__9BezierArc , __1b -> order__9BezierArc ) ;
|
|
__2arc_stepsize = ((__2max > 1.0 )?(1.0 / __2max ):1.0 );
|
|
if (__1jarc -> bezierArc__3Arc -> order__9BezierArc != 2 )
|
|
__gltessellateNonlizNear__14Arc0 ( (struct ArcTessellator *)(& __0this -> arctessellator__10Subdivider ), __1jarc , __1geo_stepsize , __2arc_stepsize , 1 ) ;
|
|
else
|
|
{
|
|
__gltessellateLizNear__14ArcTes0 ( (struct ArcTessellator *)(& __0this -> arctessellator__10Subdivider ), __1jarc , __1geo_stepsize , __2arc_stepsize , 1 ) ;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
REAL __2max ;
|
|
REAL __2arc_stepsize ;
|
|
|
|
__2max = __glcalcVelocityNonrational__70 ( (struct Mapdesc *)__1mapdesc , __1b -> cpts__9BezierArc , __1b -> stride__9BezierArc , __1b -> order__9BezierArc ) ;
|
|
__2arc_stepsize = ((__2max > 1.0 )?(1.0 / __2max ):1.0 );
|
|
if (__1jarc -> bezierArc__3Arc -> order__9BezierArc != 2 )
|
|
__gltessellateNonlizNear__14Arc0 ( (struct ArcTessellator *)(& __0this -> arctessellator__10Subdivider ), __1jarc , __1geo_stepsize , __2arc_stepsize , 0 ) ;
|
|
else
|
|
{
|
|
__gltessellateLizNear__14ArcTes0 ( (struct ArcTessellator *)(& __0this -> arctessellator__10Subdivider ), __1jarc , __1geo_stepsize , __2arc_stepsize , 0 ) ;
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
|
|
Arc_ptr __glappend__3ArcFP3Arc (struct Arc *, Arc_ptr );
|
|
|
|
|
|
|
|
void __glremove_this_arc__3BinFP3Ar0 (struct Bin *, struct Arc *);
|
|
|
|
|
|
|
|
void __glmonotonize__10SubdividerFP0 (struct Subdivider *__0this , Arc_ptr __1jarc , struct Bin *__1bin )
|
|
{
|
|
struct TrimVertex *__1firstvert ;
|
|
struct TrimVertex *__1lastvert ;
|
|
long __1uid ;
|
|
int __1side ;
|
|
int __1sdir ;
|
|
int __1tdir ;
|
|
int __1degenerate ;
|
|
|
|
int __1nudegenerate ;
|
|
int __1change ;
|
|
|
|
__1firstvert = __1jarc -> pwlArc__3Arc -> pts__6PwlArc ;
|
|
__1lastvert = (__1firstvert + (__1jarc -> pwlArc__3Arc -> npts__6PwlArc - 1 ));
|
|
__1uid = __1jarc -> nuid__3Arc ;
|
|
__1side = ( (((int )((((struct Arc *)__1jarc )-> type__3Arc >> 8 )& 0x7 )))) ;
|
|
__1sdir = 3;
|
|
__1tdir = 3;
|
|
__1degenerate = 1 ;
|
|
|
|
{ { struct TrimVertex *__1vert ;
|
|
|
|
__1vert = __1firstvert ;
|
|
|
|
for(;__1vert != __1lastvert ;__1vert ++ ) {
|
|
__1nudegenerate = 1 ;
|
|
__1change = 0 ;
|
|
|
|
{ REAL __2sdiff ;
|
|
|
|
__2sdiff = (((__1vert [1 ]). param__10TrimVertex [0 ])- ((__1vert [0 ]). param__10TrimVertex [0 ]));
|
|
if (__2sdiff == 0 ){
|
|
if (__1sdir != 1){
|
|
__1sdir = 1;
|
|
__1change = 1 ;
|
|
}
|
|
}
|
|
else
|
|
if (__2sdiff < 0.0 ){
|
|
if (__1sdir != 0){
|
|
__1sdir = 0;
|
|
__1change = 1 ;
|
|
}
|
|
__1nudegenerate = 0 ;
|
|
}
|
|
else
|
|
{
|
|
if (__1sdir != 2){
|
|
__1sdir = 2;
|
|
__1change = 1 ;
|
|
}
|
|
__1nudegenerate = 0 ;
|
|
}
|
|
|
|
{ REAL __2tdiff ;
|
|
|
|
__2tdiff = (((__1vert [1 ]). param__10TrimVertex [1 ])- ((__1vert [0 ]). param__10TrimVertex [1 ]));
|
|
if (__2tdiff == 0 ){
|
|
if (__1tdir != 1){
|
|
__1tdir = 1;
|
|
__1change = 1 ;
|
|
}
|
|
}
|
|
else
|
|
if (__2tdiff < 0.0 ){
|
|
if (__1tdir != 0){
|
|
__1tdir = 0;
|
|
__1change = 1 ;
|
|
}
|
|
__1nudegenerate = 0 ;
|
|
}
|
|
else
|
|
{
|
|
if (__1tdir != 2){
|
|
__1tdir = 2;
|
|
__1change = 1 ;
|
|
}
|
|
__1nudegenerate = 0 ;
|
|
}
|
|
|
|
if (__1change ){
|
|
if (! __1degenerate ){
|
|
struct Arc *__0__X13 ;
|
|
|
|
void *__1__Xbuffer00azhgaiaa ;
|
|
|
|
struct PwlArc *__0__X14 ;
|
|
|
|
__1jarc -> pwlArc__3Arc -> npts__6PwlArc = ((__1vert - __1firstvert )+ 1 );
|
|
__1jarc = __glappend__3ArcFP3Arc ( (struct Arc *)((__0__X13 = (struct Arc *)( (((void *)( (((void )0 )), ( (((struct Pool *)((struct Pool *)(&
|
|
__0this -> arcpool__10Subdivider )))-> freelist__4Pool ?( ( (__1__Xbuffer00azhgaiaa = (((void *)((struct Pool *)((struct Pool *)(& __0this -> arcpool__10Subdivider )))-> freelist__4Pool ))), (((struct Pool *)((struct
|
|
Pool *)(& __0this -> arcpool__10Subdivider )))-> freelist__4Pool = ((struct Pool *)((struct Pool *)(& __0this -> arcpool__10Subdivider )))-> freelist__4Pool -> next__6Buffer )) , 0 ) :(
|
|
( ((! ((struct Pool *)((struct Pool *)(& __0this -> arcpool__10Subdivider )))-> nextfree__4Pool )?( __glgrow__4PoolFv ( ((struct Pool *)((struct Pool *)(& __0this -> arcpool__10Subdivider ))))
|
|
, 0 ) :( 0 ) ), ( (((struct Pool *)((struct Pool *)(& __0this -> arcpool__10Subdivider )))-> nextfree__4Pool -= ((struct Pool *)((struct
|
|
Pool *)(& __0this -> arcpool__10Subdivider )))-> buffersize__4Pool ), ( (__1__Xbuffer00azhgaiaa = (((void *)(((struct Pool *)((struct Pool *)(& __0this -> arcpool__10Subdivider )))-> curblock__4Pool + ((struct
|
|
Pool *)((struct Pool *)(& __0this -> arcpool__10Subdivider )))-> nextfree__4Pool ))))) ) ) , 0 ) ), (((void *)__1__Xbuffer00azhgaiaa ))) ) )))
|
|
)?( (((struct Arc *)__0__X13 )-> bezierArc__3Arc = 0 ), ( (((struct Arc *)__0__X13 )-> pwlArc__3Arc = 0 ), ( (((struct Arc *)__0__X13 )-> type__3Arc =
|
|
0 ), ( ( ( (((struct Arc *)__0__X13 )-> type__3Arc &= -1793)) , (((struct Arc *)__0__X13 )-> type__3Arc |= ((((long )__1side ))<<
|
|
8 ))) , ( (((struct Arc *)__0__X13 )-> nuid__3Arc = __1uid ), ((((struct Arc *)__0__X13 )))) ) ) ) ) :0 ),
|
|
__1jarc ) ;
|
|
__1jarc -> pwlArc__3Arc = ((__0__X14 = (struct PwlArc *)( (((void *)( (((void )0 )), ( (((struct Pool *)((struct Pool *)(& __0this ->
|
|
pwlarcpool__10Subdivider )))-> freelist__4Pool ?( ( (__1__Xbuffer00azhgaiaa = (((void *)((struct Pool *)((struct Pool *)(& __0this -> pwlarcpool__10Subdivider )))-> freelist__4Pool ))), (((struct Pool *)((struct Pool *)(&
|
|
__0this -> pwlarcpool__10Subdivider )))-> freelist__4Pool = ((struct Pool *)((struct Pool *)(& __0this -> pwlarcpool__10Subdivider )))-> freelist__4Pool -> next__6Buffer )) , 0 ) :( (
|
|
((! ((struct Pool *)((struct Pool *)(& __0this -> pwlarcpool__10Subdivider )))-> nextfree__4Pool )?( __glgrow__4PoolFv ( ((struct Pool *)((struct Pool *)(& __0this -> pwlarcpool__10Subdivider )))) ,
|
|
0 ) :( 0 ) ), ( (((struct Pool *)((struct Pool *)(& __0this -> pwlarcpool__10Subdivider )))-> nextfree__4Pool -= ((struct Pool *)((struct Pool *)(&
|
|
__0this -> pwlarcpool__10Subdivider )))-> buffersize__4Pool ), ( (__1__Xbuffer00azhgaiaa = (((void *)(((struct Pool *)((struct Pool *)(& __0this -> pwlarcpool__10Subdivider )))-> curblock__4Pool + ((struct Pool *)((struct
|
|
Pool *)(& __0this -> pwlarcpool__10Subdivider )))-> nextfree__4Pool ))))) ) ) , 0 ) ), (((void *)__1__Xbuffer00azhgaiaa ))) ) ))) )?(
|
|
(((struct PwlArc *)__0__X14 )-> type__6PwlArc = 0x8 ), ( (((struct PwlArc *)__0__X14 )-> pts__6PwlArc = 0 ), ( (((struct PwlArc *)__0__X14 )-> npts__6PwlArc = -1),
|
|
((((struct PwlArc *)__0__X14 )))) ) ) :0 );
|
|
( (__1jarc -> link__3Arc = ((struct Bin *)__1bin )-> head__3Bin ), (((struct Bin *)__1bin )-> head__3Bin = __1jarc )) ;
|
|
}
|
|
__1firstvert = (__1jarc -> pwlArc__3Arc -> pts__6PwlArc = __1vert );
|
|
__1degenerate = __1nudegenerate ;
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
}
|
|
__1jarc -> pwlArc__3Arc -> npts__6PwlArc = ((__1vert - __1firstvert )+ 1 );
|
|
|
|
if (__1degenerate ){
|
|
struct PooledObj *__0__X15 ;
|
|
|
|
__1jarc -> prev__3Arc -> next__3Arc = __1jarc -> next__3Arc ;
|
|
__1jarc -> next__3Arc -> prev__3Arc = __1jarc -> prev__3Arc ;
|
|
|
|
((void )0 );
|
|
((void )0 );
|
|
|
|
__glremove_this_arc__3BinFP3Ar0 ( (struct Bin *)__1bin , __1jarc ) ;
|
|
|
|
( (__0__X15 = (struct PooledObj *)__1jarc -> pwlArc__3Arc ), ( ( (((void )0 )), ( ((((struct Buffer *)(((struct Buffer *)(((void *)__0__X15 ))))))->
|
|
next__6Buffer = ((struct Pool *)((struct Pool *)(& __0this -> pwlarcpool__10Subdivider )))-> freelist__4Pool ), (((struct Pool *)((struct Pool *)(& __0this -> pwlarcpool__10Subdivider )))-> freelist__4Pool = (((struct
|
|
Buffer *)(((struct Buffer *)(((void *)__0__X15 )))))))) ) ) ) ;
|
|
|
|
__1jarc -> pwlArc__3Arc = 0 ;
|
|
( ( (((void )0 )), ( ((((struct Buffer *)(((struct Buffer *)(((void *)((struct PooledObj *)__1jarc )))))))-> next__6Buffer = ((struct Pool *)((struct Pool *)(&
|
|
__0this -> arcpool__10Subdivider )))-> freelist__4Pool ), (((struct Pool *)((struct Pool *)(& __0this -> arcpool__10Subdivider )))-> freelist__4Pool = (((struct Buffer *)(((struct Buffer *)(((void *)((struct PooledObj *)__1jarc )))))))))
|
|
) ) ;
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
}
|
|
|
|
int __glisMonotone__10SubdividerFP0 (struct Subdivider *__0this , Arc_ptr __1jarc )
|
|
{
|
|
struct TrimVertex *__1firstvert ;
|
|
struct TrimVertex *__1lastvert ;
|
|
|
|
__1firstvert = __1jarc -> pwlArc__3Arc -> pts__6PwlArc ;
|
|
__1lastvert = (__1firstvert + (__1jarc -> pwlArc__3Arc -> npts__6PwlArc - 1 ));
|
|
|
|
if (__1firstvert == __1lastvert )return 1 ;
|
|
|
|
{ struct TrimVertex *__1vert ;
|
|
int __1sdir ;
|
|
int __1tdir ;
|
|
|
|
REAL __1diff ;
|
|
|
|
__1vert = __1firstvert ;
|
|
|
|
__1diff = (((__1vert [1 ]). param__10TrimVertex [0 ])- ((__1vert [0 ]). param__10TrimVertex [0 ]));
|
|
if (__1diff == 0.0 )
|
|
__1sdir = 1;
|
|
else if (__1diff < 0.0 )
|
|
__1sdir = 0;
|
|
else
|
|
__1sdir = 2;
|
|
|
|
__1diff = (((__1vert [1 ]). param__10TrimVertex [1 ])- ((__1vert [0 ]). param__10TrimVertex [1 ]));
|
|
if (__1diff == 0.0 )
|
|
__1tdir = 1;
|
|
else if (__1diff < 0.0 )
|
|
__1tdir = 0;
|
|
else
|
|
__1tdir = 2;
|
|
|
|
if ((__1sdir == 1)&& (__1tdir == 1))return 0 ;
|
|
|
|
for(++ __1vert ;__1vert != __1lastvert ;__1vert ++ ) {
|
|
__1diff = (((__1vert [1 ]). param__10TrimVertex [0 ])- ((__1vert [0 ]). param__10TrimVertex [0 ]));
|
|
if (__1diff == 0.0 ){
|
|
if (__1sdir != 1)return 0 ;
|
|
}
|
|
else
|
|
if (__1diff < 0.0 ){
|
|
if (__1sdir != 0)return 0 ;
|
|
}
|
|
else
|
|
{
|
|
if (__1sdir != 2)return 0 ;
|
|
}
|
|
|
|
__1diff = (((__1vert [1 ]). param__10TrimVertex [1 ])- ((__1vert [0 ]). param__10TrimVertex [1 ]));
|
|
if (__1diff == 0.0 ){
|
|
if (__1tdir != 1)return 0 ;
|
|
}
|
|
else
|
|
if (__1diff < 0.0 ){
|
|
if (__1tdir != 0)return 0 ;
|
|
}
|
|
else
|
|
{
|
|
if (__1tdir != 2)return 0 ;
|
|
}
|
|
}
|
|
return 1 ;
|
|
|
|
}
|
|
}
|
|
|
|
|
|
/* the end */
|