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Templatize bfirst_search_init() and bfirst_search_try() so they can be used with types other than int16_t

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git-svn-id: https://svn.eduke32.com/eduke32@7629 1a8010ca-5511-0410-912e-c29ae57300e0

# Conflicts:
#	source/build/src/build.cpp
This commit is contained in:
terminx 2019-05-19 03:52:54 +00:00 committed by Christoph Oelckers
parent 74c44125f8
commit 3db7512c69
6 changed files with 31 additions and 33 deletions
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3
source/build/include/build.h
View file

@ -1157,9 +1157,6 @@ static FORCE_INLINE void rotatesprite_win(int32_t sx, int32_t sy, int32_t z, int
rotatesprite_(sx, sy, z, a, picnum, dashade, dapalnum, dastat, 0, 0, windowxy1.x,windowxy1.y,windowxy2.x,windowxy2.y);
}
void bfirst_search_init(int16_t * const list, uint8_t * const bitmap, int32_t * const eltnumptr, int const maxelts, int const firstelt);
void bfirst_search_try(int16_t * const list, uint8_t * const bitmap, int32_t * const eltnumptr, int const elt);
void getzrange(const vec3_t *pos, int16_t sectnum, int32_t *ceilz, int32_t *ceilhit, int32_t *florz,
int32_t *florhit, int32_t walldist, uint32_t cliptype) ATTRIBUTE((nonnull(1,3,4,5,6)));
int32_t hitscan(const vec3_t *sv, int16_t sectnum, int32_t vx, int32_t vy, int32_t vz,

32
source/build/include/compat.h
View file

@ -1138,9 +1138,35 @@ CONSTEXPR size_t logbasenegative(T n)
#endif
////////// Bitfield manipulation //////////
static FORCE_INLINE void bitmap_set(uint8_t *const ptr, int const n) { ptr[n >> 3] |= 1 << (n & 7); }
static FORCE_INLINE void bitmap_clear(uint8_t *const ptr, int const n) { ptr[n >> 3] &= ~(1 << (n & 7)); }
static FORCE_INLINE CONSTEXPR char bitmap_test(uint8_t const *const ptr, int const n) { return ptr[n >> 3] & (1 << (n & 7)); }
////////// Utility functions //////////
// breadth-first search helpers
template <typename T>
void bfirst_search_init(T *const list, uint8_t *const bitmap, T *const eltnumptr, int const maxelts, int const firstelt)
{
Bmemset(bitmap, 0, (maxelts+7)>>3);
list[0] = firstelt;
bitmap_set(bitmap, firstelt);
*eltnumptr = 1;
}
template <typename T>
void bfirst_search_try(T *const list, uint8_t *const bitmap, T *const eltnumptr, int const elt)
{
if (!bitmap_test(bitmap, elt))
{
bitmap_set(bitmap, elt);
list[(*eltnumptr)++] = elt;
}
}
#if RAND_MAX == 32767
static FORCE_INLINE uint16_t system_15bit_rand(void) { return (uint16_t)rand(); }
#else // RAND_MAX > 32767, assumed to be of the form 2^k - 1
@ -1168,12 +1194,6 @@ static inline void append_ext_UNSAFE(char *outbuf, const char *ext)
Bstrcpy(p, ext);
}
////////// Bitfield manipulation //////////
static FORCE_INLINE void bitmap_set(uint8_t *const ptr, int const n) { ptr[n >> 3] |= 1 << (n & 7); }
static FORCE_INLINE void bitmap_clear(uint8_t *const ptr, int const n) { ptr[n >> 3] &= ~(1 << (n & 7)); }
static FORCE_INLINE CONSTEXPR char bitmap_test(uint8_t const *const ptr, int const n) { return ptr[n >> 3] & (1 << (n & 7)); }
/* Begin dependence on compat.o object. */

2
source/build/src/clip.cpp
View file

@ -933,7 +933,7 @@ static void clipupdatesector(vec2_t const &pos, int16_t * const sectnum, int con
static int16_t sectlist[MAXSECTORS];
static uint8_t sectbitmap[(MAXSECTORS+7)>>3];
int32_t nsecs;
int16_t nsecs;
bfirst_search_init(sectlist, sectbitmap, &nsecs, MAXCLIPSECTORS, *sectnum);

23
source/build/src/engine.cpp
View file

@ -11007,25 +11007,6 @@ int32_t lastwall(int16_t point)
return point;
}
// breadth-first search helpers
void bfirst_search_init(int16_t * const list, uint8_t * const bitmap, int32_t * const eltnumptr, int const maxelts, int const firstelt)
{
Bmemset(bitmap, 0, (maxelts+7)>>3);
list[0] = firstelt;
bitmap_set(bitmap, firstelt);
*eltnumptr = 1;
}
void bfirst_search_try(int16_t * const list, uint8_t * const bitmap, int32_t * const eltnumptr, int const elt)
{
if (elt >= 0 && bitmap_test(bitmap, elt)==0)
{
bitmap_set(bitmap, elt);
list[(*eltnumptr)++] = elt;
}
}
////////// UPDATESECTOR* FAMILY OF FUNCTIONS //////////
/* Different "is inside" predicates.
@ -11121,7 +11102,7 @@ void updatesector(int32_t const x, int32_t const y, int16_t * const sectnum)
static int16_t sectlist[MAXSECTORS];
static uint8_t sectbitmap[(MAXSECTORS+7)>>3];
int32_t nsecs;
int16_t nsecs;
bfirst_search_init(sectlist, sectbitmap, &nsecs, MAXSECTORS, initialsectnum);
@ -11220,7 +11201,7 @@ void updatesectorz(int32_t const x, int32_t const y, int32_t const z, int16_t *
static int16_t sectlist[MAXSECTORS];
static uint8_t sectbitmap[(MAXSECTORS+7)>>3];
int32_t nsecs;
int16_t nsecs;
bfirst_search_init(sectlist, sectbitmap, &nsecs, MAXSECTORS, correctedsectnum);

2
source/duke3d/src/astub.cpp
View file

@ -6718,7 +6718,7 @@ static void Keys3d(void)
static int16_t sectlist[MAXSECTORS];
static uint8_t sectbitmap[(MAXSECTORS+7)>>3];
int32_t sectcnt, sectnum;
int16_t sectcnt, sectnum;
i = searchsector;
if (CEILINGFLOOR(i, stat)&1)

2
source/duke3d/src/m32exec.cpp
View file

@ -1235,7 +1235,7 @@ skip_check:
const int32_t o_g_st=vm.g_st, arsize = gar->size;
instype *const end=insptr;
int32_t sectcnt, numsects=0;
int16_t sectcnt, numsects=0;
// XXX: relies on -fno-strict-aliasing
int16_t *const sectlist = (int16_t *)gar->vals; // actually an int32_t array