| 19 |
|
* |
| 20 |
|
* < -1: it is an index to a set of objects |
| 21 |
|
*/ |
| 22 |
+ |
#include "object.h" |
| 23 |
|
|
| 24 |
|
#define QUADTREE int |
| 25 |
|
|
| 35 |
|
#define QT_BLOCK(qt) ((qt)>>10) /* quadtree block index */ |
| 36 |
|
#define QT_BLOCK_INDEX(qt) (((qt)&0x3ff)<<2) /* quadtree index in block */ |
| 37 |
|
|
| 38 |
+ |
|
| 39 |
|
#ifndef QT_MAX_BLK |
| 40 |
|
#ifdef BIGMEM |
| 41 |
|
#define QT_MAX_BLK 16383 /* maximum quadtree block */ |
| 52 |
|
|
| 53 |
|
|
| 54 |
|
/* QUADTREE NODE FLAGS */ |
| 55 |
< |
#define QT_OFFSET(qt) ((qt)>>5) |
| 56 |
< |
#define QT_F_BIT(qt) ((qt)&0x1f) |
| 57 |
< |
#define QT_F_OP(f,qt,op) ((f)[QT_OFFSET(qt)] op (0x1<<QT_F_BIT(qt))) |
| 58 |
< |
#define QT_IS_FLAG(qt) QT_F_OP(quad_flag,qt,&) |
| 59 |
< |
#define QT_SET_FLAG(qt) QT_F_OP(quad_flag,qt,|=) |
| 60 |
< |
#define QT_CLR_FLAG(qt) QT_F_OP(quad_flag,qt,|=~) |
| 55 |
> |
#define QT_IS_FLAG(qt) IS_FLAG(quad_flag,qt) |
| 56 |
> |
#define QT_SET_FLAG(qt) SET_FLAG(quad_flag,qt) |
| 57 |
> |
#define QT_CLR_FLAG(qt) CLR_FLAG(quad_flag,qt) |
| 58 |
> |
#define QT_LEAF_IS_FLAG(qt) IS_FLAG(qtsetflag,QT_INDEX(qt)) |
| 59 |
> |
#define QT_LEAF_SET_FLAG(qt) SET_FLAG(qtsetflag,QT_INDEX(qt)) |
| 60 |
> |
#define QT_LEAF_CLR_FLAG(qt) CLR_FLAG(qtsetflag,QT_INDEX(qt)) |
| 61 |
|
|
| 60 |
– |
|
| 62 |
|
/* OBJECT SET CODE */ |
| 63 |
|
#define QT_SET_CNT(s) ((s)[0]) |
| 64 |
|
#define QT_SET_NTH_ELEM(s,n) ((s)[(n)]) |
| 68 |
|
#define QT_SET_PTR(s) (&((s)[1])) |
| 69 |
|
|
| 70 |
|
|
| 71 |
< |
#define QT_MAX_SET 255 |
| 72 |
< |
#define MAXCSET QT_MAX_SET*2 |
| 71 |
> |
#define QT_MAXSET 511 |
| 72 |
> |
#define MAXCSET 2*QT_MAXSET |
| 73 |
> |
#define QT_MAXCSET MAXCSET |
| 74 |
|
#ifndef QT_SET_THRESHOLD |
| 75 |
< |
#define QT_SET_THRESHOLD 30 |
| 75 |
> |
#define QT_SET_THRESHOLD 30 |
| 76 |
|
#endif |
| 77 |
|
|
| 78 |
|
#ifndef QT_MAX_LEVELS |
| 79 |
< |
#define QT_MAX_LEVELS 17 |
| 79 |
> |
#define QT_MAX_LEVELS 12 |
| 80 |
|
#endif |
| 81 |
|
|
| 82 |
+ |
#define QT_FILL_THRESHOLD 3 |
| 83 |
+ |
#define QT_EXPAND 8 |
| 84 |
+ |
#define QT_COMPRESS 16 |
| 85 |
+ |
#define QT_DONE 32 |
| 86 |
+ |
#define QT_MODIFIED 64 |
| 87 |
+ |
|
| 88 |
+ |
#define QT_FLAG_FILL_TRI(f) (((f)&0x7) == QT_FILL_THRESHOLD) |
| 89 |
+ |
#define QT_FLAG_UPDATE(f) ((f)& (QT_EXPAND | QT_COMPRESS)) |
| 90 |
+ |
#define QT_FLAG_IS_DONE(f) ((f)& QT_DONE) |
| 91 |
+ |
#define QT_FLAG_SET_DONE(f) ((f) |= QT_DONE) |
| 92 |
+ |
#define QT_FLAG_IS_MODIFIED(f) ((f)& QT_MODIFIED) |
| 93 |
+ |
#define QT_FLAG_SET_MODIFIED(f) ((f) |= QT_MODIFIED) |
| 94 |
+ |
|
| 95 |
+ |
#define qtSubdivide(qt) (qt = qtAlloc(),QT_CLEAR_CHILDREN(qt)) |
| 96 |
+ |
#define qtSubdivide_tri(v0,v1,v2,a,b,c) (EDGE_MIDPOINT_VEC3(a,v0,v1), \ |
| 97 |
+ |
EDGE_MIDPOINT_VEC3(b,v1,v2), \ |
| 98 |
+ |
EDGE_MIDPOINT_VEC3(c,v2,v0)) |
| 99 |
+ |
|
| 100 |
|
extern QUADTREE qtnewleaf(), qtaddelem(), qtdelelem(); |
| 101 |
|
|
| 102 |
|
extern QUADTREE *quad_block[QT_MAX_BLK]; /* quadtree blocks */ |
| 103 |
|
extern int4 *quad_flag; /* zeroeth quadtree flag */ |
| 104 |
+ |
|
| 105 |
+ |
extern OBJECT **qtsettab; /* quadtree leaf node table */ |
| 106 |
+ |
extern QUADTREE qtnumsets; /* number of used set indices */ |
| 107 |
+ |
extern int4 *qtsetflag; |
| 108 |
+ |
#ifdef DEBUG |
| 109 |
+ |
extern OBJECT *qtqueryset(); |
| 110 |
+ |
#else |
| 111 |
+ |
#define qtqueryset(qt) (qtsettab[QT_SET_INDEX(qt)]) |
| 112 |
+ |
#endif |
| 113 |
+ |
|
| 114 |
+ |
#define qtinset(qt,id) inset(qtqueryset(qt),id) |
| 115 |
+ |
#define qtgetset(os,qt) setcopy(os,qtqueryset(qt)) |
| 116 |
+ |
|
| 117 |
+ |
/* |
| 118 |
+ |
QUADTREE qtRoot_point_locate(qt,q0,q1,q2,peq,pt,r0,r1,r2) |
| 119 |
+ |
QUADTREE qt; |
| 120 |
+ |
FVECT q0,q1,q2; |
| 121 |
+ |
FPEQ peq; |
| 122 |
+ |
FVECT pt; |
| 123 |
+ |
FVECT r0,r1,r2; |
| 124 |
+ |
|
| 125 |
+ |
Return the quadtree node containing pt. It is assumed that pt is in |
| 126 |
+ |
the root node qt with ws vertices q0,q1,q2 and plane equation peq. |
| 127 |
+ |
If r0 != NULL will return coordinates of node in (r0,r1,r2). |
| 128 |
+ |
*/ |
| 129 |
+ |
|
| 130 |
+ |
extern QUADTREE qtRoot_point_locate(); |
| 131 |
+ |
extern QUADTREE qtRoot_add_tri(); |
| 132 |
+ |
extern QUADTREE qtRoot_remove_tri(); |
| 133 |
+ |
extern QUADTREE qtAdd_tri(); |
| 134 |
+ |
extern QUADTREE qtRoot_visit_tri_edges(); |
| 135 |
+ |
extern QUADTREE qtRoot_trace_ray(); |
