diff options
author | Campbell Barton <ideasman42@gmail.com> | 2012-09-05 08:16:09 +0400 |
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committer | Campbell Barton <ideasman42@gmail.com> | 2012-09-05 08:16:09 +0400 |
commit | 99fcec33347c94228ca0c225dcbdd7cb6117e99b (patch) | |
tree | aca552f65bf1e50a3f0ecedc038d1240d04fe02d /source/blender/blenkernel/intern/deform.c | |
parent | a512cac545dcb233e9487b327cf18da58bd61218 (diff) |
fix [#29431] "Normalize All" from Weight Tools don't work correctly
Diffstat (limited to 'source/blender/blenkernel/intern/deform.c')
-rw-r--r-- | source/blender/blenkernel/intern/deform.c | 52 |
1 files changed, 50 insertions, 2 deletions
diff --git a/source/blender/blenkernel/intern/deform.c b/source/blender/blenkernel/intern/deform.c index aef9543a8e2..4110d4565b2 100644 --- a/source/blender/blenkernel/intern/deform.c +++ b/source/blender/blenkernel/intern/deform.c @@ -33,6 +33,7 @@ #include <string.h> #include <math.h> #include <ctype.h> +#include <stdlib.h> #include "MEM_guardedalloc.h" @@ -41,7 +42,10 @@ #include "BKE_deform.h" -#include "BLI_blenlib.h" +#include "BLI_listbase.h" +#include "BLI_math.h" +#include "BLI_path_util.h" +#include "BLI_string.h" #include "BLI_utildefines.h" @@ -204,7 +208,7 @@ void defvert_normalize(MDeformVert *dvert) } } -void defvert_normalize_lock(MDeformVert *dvert, const int def_nr_lock) +void defvert_normalize_lock_single(MDeformVert *dvert, const int def_nr_lock) { if (dvert->totweight <= 0) { /* nothing */ @@ -248,6 +252,50 @@ void defvert_normalize_lock(MDeformVert *dvert, const int def_nr_lock) } } +void defvert_normalize_lock_map(MDeformVert *dvert, const char *lock_flags, const int defbase_tot) +{ + if (dvert->totweight <= 0) { + /* nothing */ + } + else if (dvert->totweight == 1) { + if (LIKELY(defbase_tot >= 1) && lock_flags[0]) { + dvert->dw[0].weight = 1.0f; + } + } + else { + MDeformWeight *dw; + unsigned int i; + float tot_weight = 0.0f; + float lock_iweight = 0.0f; + + for (i = dvert->totweight, dw = dvert->dw; i != 0; i--, dw++) { + if ((dw->def_nr < defbase_tot) && (lock_flags[dw->def_nr] == FALSE)) { + tot_weight += dw->weight; + } + else { + /* invert after */ + lock_iweight += dw->weight; + } + } + + lock_iweight = maxf(0.0f, 1.0f - lock_iweight); + + if (tot_weight > 0.0f) { + /* paranoid, should be 1.0 but in case of float error clamp anyway */ + + float scalar = (1.0f / tot_weight) * lock_iweight; + for (i = dvert->totweight, dw = dvert->dw; i != 0; i--, dw++) { + if ((dw->def_nr < defbase_tot) && (lock_flags[dw->def_nr] == FALSE)) { + dw->weight *= scalar; + + /* in case of division errors with very low weights */ + CLAMP(dw->weight, 0.0f, 1.0f); + } + } + } + } +} + void defvert_flip(MDeformVert *dvert, const int *flip_map, const int flip_map_len) { MDeformWeight *dw; |