diff options
Diffstat (limited to 'extern')
| -rw-r--r-- | extern/recastnavigation/recast-capi.cpp | 126 | ||||
| -rw-r--r-- | extern/recastnavigation/recast-capi.h | 5 |
2 files changed, 0 insertions, 131 deletions
diff --git a/extern/recastnavigation/recast-capi.cpp b/extern/recastnavigation/recast-capi.cpp index 1c11d87f639..38c14118156 100644 --- a/extern/recastnavigation/recast-capi.cpp +++ b/extern/recastnavigation/recast-capi.cpp @@ -270,129 +270,3 @@ unsigned int *recast_polyMeshDetailGetMeshes(struct recast_polyMeshDetail *mesh, return dmesh->meshes; } -// qsort based on FreeBSD source (libkern\qsort.c) -typedef int cmp_t(void *, const void *, const void *); -static inline char *med3(char *, char *, char *, cmp_t *, void *); -static inline void swapfunc(char *, char *, int, int); - -#define min(a, b) (a) < (b) ? a : b -#define swapcode(TYPE, parmi, parmj, n) \ -{ \ - long i = (n) / sizeof(TYPE); \ - TYPE *pi = (TYPE *) (parmi); \ - TYPE *pj = (TYPE *) (parmj); \ - do { \ - TYPE t = *pi; \ - *pi++ = *pj; \ - *pj++ = t; \ - } while (--i > 0); \ -} -#define SWAPINIT(a, es) swaptype = ((char *)a - (char *)0) % sizeof(long) || \ - es % sizeof(long) ? 2 : es == sizeof(long)? 0 : 1; - -static inline void swapfunc(char* a, char* b, int n, int swaptype) -{ - if(swaptype <= 1) - swapcode(long, a, b, n) - else - swapcode(char, a, b, n) -} - -#define swap(a, b) \ - if (swaptype == 0) { \ - long t = *(long *)(a); \ - *(long *)(a) = *(long *)(b);\ - *(long *)(b) = t; \ - } else \ - swapfunc(a, b, es, swaptype) - -#define vecswap(a, b, n) if ((n) > 0) swapfunc(a, b, n, swaptype) -#define CMP(t, x, y) (cmp((t), (x), (y))) - -static inline char *med3(char *a, char *b, char *c, cmp_t *cmp, void *thunk) -{ - return CMP(thunk, a, b) < 0 ? - (CMP(thunk, b, c) < 0 ? b : (CMP(thunk, a, c) < 0 ? c : a )) - :(CMP(thunk, b, c) > 0 ? b : (CMP(thunk, a, c) < 0 ? a : c )); -} - -void recast_qsort(void *a, size_t n, size_t es, void *thunk, cmp_t *cmp) -{ - char *pa, *pb, *pc, *pd, *pl, *pm, *pn; - int d, r, swaptype, swap_cnt; - -loop: - SWAPINIT(a, es); - swap_cnt = 0; - if (n < 7) { - for (pm = (char *)a + es; pm < (char *)a + n * es; pm += es) - for (pl = pm; - pl > (char *)a && CMP(thunk, pl - es, pl) > 0; - pl -= es) - swap(pl, pl - es); - return; - } - pm = (char *)a + (n / 2) * es; - if (n > 7) { - pl = (char *)a; - pn = (char *)a + (n - 1) * es; - if (n > 40) { - d = (n / 8) * es; - pl = med3(pl, pl + d, pl + 2 * d, cmp, thunk); - pm = med3(pm - d, pm, pm + d, cmp, thunk); - pn = med3(pn - 2 * d, pn - d, pn, cmp, thunk); - } - pm = med3(pl, pm, pn, cmp, thunk); - } - swap((char *)a, pm); - pa = pb = (char *)a + es; - - pc = pd = (char *)a + (n - 1) * es; - for (;;) { - while (pb <= pc && (r = CMP(thunk, pb, a)) <= 0) { - if (r == 0) { - swap_cnt = 1; - swap(pa, pb); - pa += es; - } - pb += es; - } - while (pb <= pc && (r = CMP(thunk, pc, a)) >= 0) { - if (r == 0) { - swap_cnt = 1; - swap(pc, pd); - pd -= es; - } - pc -= es; - } - if (pb > pc) - break; - swap(pb, pc); - swap_cnt = 1; - pb += es; - pc -= es; - } - if (swap_cnt == 0) { /* Switch to insertion sort */ - for (pm = (char *)a + es; pm < (char *)a + n * es; pm += es) - for (pl = pm; - pl > (char *)a && CMP(thunk, pl - es, pl) > 0; - pl -= es) - swap(pl, pl - es); - return; - } - - pn = (char *)a + n * es; - r = min(pa - (char *)a, pb - pa); - vecswap((char *)a, pb - r, r); - r = min(pd - pc, pn - pd - es); - vecswap(pb, pn - r, r); - if ((r = pb - pa) > es) - recast_qsort(a, r / es, es, thunk, cmp); - if ((r = pd - pc) > es) { - /* Iterate rather than recurse to save stack space */ - a = pn - r; - n = r / es; - goto loop; - } -} - diff --git a/extern/recastnavigation/recast-capi.h b/extern/recastnavigation/recast-capi.h index 52a8e215ea1..54bf84931c4 100644 --- a/extern/recastnavigation/recast-capi.h +++ b/extern/recastnavigation/recast-capi.h @@ -127,11 +127,6 @@ unsigned char *recast_polyMeshDetailGetTris(struct recast_polyMeshDetail *mesh, unsigned int *recast_polyMeshDetailGetMeshes(struct recast_polyMeshDetail *mesh, int *nmeshes); -/* utility function: quick sort reentrant */ -typedef int recast_cmp_t(void *ctx, const void *a, const void *b); - -void recast_qsort(void *a, size_t n, size_t es, void *thunk, recast_cmp_t *cmp); - #ifdef __cplusplus } #endif |