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BoxPack: flag verts used in packed boxes

This commit is contained in:
Campbell Barton 2014-04-25 01:31:52 +10:00
parent 72e9052713
commit d5647a37b4
Notes: blender-bot 2023-02-14 10:50:50 +01:00 
Referenced by issue #39601, Smart UV Project doing very bad UV projection in recent builds
1 changed files with 14 additions and 4 deletions
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18
source/blender/blenlib/intern/boxpack2d.c
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@ -45,8 +45,9 @@ typedef struct BoxVert {
float x;
float y;
int free : 8; /* vert status */
int pad : 24;
int free : 8; /* vert status */
unsigned int used : 1;
unsigned int _pad : 23;
unsigned int index;
struct BoxPack *trb; /* top right box */
@ -199,6 +200,7 @@ void BLI_box_pack_2d(BoxPack *boxarray, const unsigned int len, float *tot_width
vert->isect_cache[2] = vert->isect_cache[3] = NULL;
vert->free = CORNERFLAGS & ~TRF;
vert->trb = box;
vert->used = false;
vert->index = i++;
box->v[BL] = vert; vert++;
@ -207,6 +209,7 @@ void BLI_box_pack_2d(BoxPack *boxarray, const unsigned int len, float *tot_width
vert->isect_cache[2] = vert->isect_cache[3] = NULL;
vert->free = CORNERFLAGS & ~BLF;
vert->blb = box;
vert->used = false;
vert->index = i++;
box->v[TR] = vert; vert++;
@ -215,6 +218,7 @@ void BLI_box_pack_2d(BoxPack *boxarray, const unsigned int len, float *tot_width
vert->isect_cache[2] = vert->isect_cache[3] = NULL;
vert->free = CORNERFLAGS & ~BRF;
vert->brb = box;
vert->used = false;
vert->index = i++;
box->v[TL] = vert; vert++;
@ -222,7 +226,8 @@ void BLI_box_pack_2d(BoxPack *boxarray, const unsigned int len, float *tot_width
vert->isect_cache[0] = vert->isect_cache[1] =
vert->isect_cache[2] = vert->isect_cache[3] = NULL;
vert->free = CORNERFLAGS & ~TLF;
vert->tlb = box;
vert->tlb = box;
vert->used = false;
vert->index = i++;
box->v[BR] = vert; vert++;
}
@ -245,6 +250,10 @@ void BLI_box_pack_2d(BoxPack *boxarray, const unsigned int len, float *tot_width
SET_BOXBOTTOM(box, 0.0f);
box->x = box->y = 0.0f;
for (i = 0; i < 4; i++) {
box->v[i]->used = true;
}
for (i = 0; i < 3; i++)
vertex_pack_indices[i] = box->v[i + 1]->index;
verts_pack_len = 3;
@ -428,7 +437,8 @@ void BLI_box_pack_2d(BoxPack *boxarray, const unsigned int len, float *tot_width
/* End logical check */
for (k = 0; k < 4; k++) {
if (box->v[k] != vert) {
if (box->v[k]->used == false) {
box->v[k]->used = true;
vertex_pack_indices[verts_pack_len] = box->v[k]->index;
verts_pack_len++;
}