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* corrective UV transformation - only works with UV edge slide right now. but should be extended so transforming dosnt distort UV's

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* smooth respects mirror option (will move mirrored vert too)
This commit is contained in:
Campbell Barton
2008-09-05 00:28:17 +00:00
parent cb89decfdc
commit 3c95d91a57
6 changed files with 204 additions and 5 deletions
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182
source/blender/src/editmesh_tools.c
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@@ -4648,6 +4648,12 @@ void bevel_menu_old()
}
/* *********** END BEVEL *********/
typedef struct SlideUv {
float origuv[2];
float *uv_up, *uv_down;
//float *fuv[4];
LinkNode *fuv_list;
} SlideUv;
typedef struct SlideVert {
EditEdge *up,*down;
@@ -4655,9 +4661,19 @@ typedef struct SlideVert {
} SlideVert;
int EdgeLoopDelete(void) {
/* temporal flag setting so we keep UVs when deleting edge loops,
* this is a bit of a hack but it works how you would want in almost all cases */
short uvcalc_flag_orig = G.scene->toolsettings->uvcalc_flag;
G.scene->toolsettings->uvcalc_flag |= UVCALC_TRANSFORM_CORRECT;
if(!EdgeSlide(1, 1)) {
return 0;
}
/* restore uvcalc flag */
G.scene->toolsettings->uvcalc_flag = uvcalc_flag_orig;
EM_select_more();
removedoublesflag(1,0, 0.001);
EM_select_flush();
@@ -4674,11 +4690,21 @@ int EdgeSlide(short immediate, float imperc)
EditVert *ev, *nearest;
LinkNode *edgelist = NULL, *vertlist=NULL, *look;
GHash *vertgh;
SlideVert *tempsv;
float perc = 0, percp = 0,vertdist, projectMat[4][4], viewMat[4][4];
float shiftlabda= 0.0f,len = 0.0f;
int i = 0,j, numsel, numadded=0, timesthrough = 0, vertsel=0, prop=1, cancel = 0,flip=0;
int wasshift = 0;
/* UV correction vars */
GHash **uvarray;
int uvlay_tot= CustomData_number_of_layers(&G.editMesh->fdata, CD_MTFACE);
int uvlay_idx;
SlideUv *slideuvs, *suv, *suv_last;
float uv_tmp[2];
LinkNode *fuv_link;
short event, draw=1;
short mval[2], mvalo[2];
char str[128];
@@ -4985,6 +5011,99 @@ int EdgeSlide(short immediate, float imperc)
look = look->next;
}
if (uvlay_tot && (G.scene->toolsettings->uvcalc_flag & UVCALC_TRANSFORM_CORRECT)) {
int maxnum = 0;
uvarray = MEM_callocN( uvlay_tot * sizeof(GHash *), "SlideUVs Array");
suv_last = slideuvs = MEM_callocN( uvlay_tot * (numadded+1) * sizeof(SlideUv), "SlideUVs"); /* uvLayers * verts */
suv = NULL;
for (uvlay_idx=0; uvlay_idx<uvlay_tot; uvlay_idx++) {
uvarray[uvlay_idx] = BLI_ghash_new(BLI_ghashutil_ptrhash, BLI_ghashutil_ptrcmp);
for(ev=em->verts.first;ev;ev=ev->next) {
ev->tmp.l = 0;
}
look = vertlist;
while(look) {
float *uv_new;
tempsv = BLI_ghash_lookup(vertgh,(EditVert*)look->link);
ev = look->link;
suv = NULL;
for(efa = em->faces.first;efa;efa=efa->next) {
if (ev->tmp.l != -1) { /* test for self, in this case its invalid */
int k=-1; /* face corner */
/* Is this vert in the faces corner? */
if (efa->v1==ev) k=0;
else if (efa->v2==ev) k=1;
else if (efa->v3==ev) k=2;
else if (efa->v4 && efa->v4==ev) k=3;
if (k != -1) {
MTFace *tf = CustomData_em_get_n(&em->fdata, efa->data, CD_MTFACE, uvlay_idx);
EditVert *ev_up, *ev_down;
uv_new = tf->uv[k];
if (ev->tmp.l) {
if (fabs(suv->origuv[0]-uv_new[0]) > 0.0001 || fabs(suv->origuv[1]-uv_new[1])) {
ev->tmp.l = -1; /* Tag as invalid */
BLI_linklist_free(suv->fuv_list,NULL);
suv->fuv_list = NULL;
BLI_ghash_remove(uvarray[uvlay_idx],ev, NULL, NULL);
suv = NULL;
break;
}
} else {
ev->tmp.l = 1;
suv = suv_last;
suv->fuv_list = NULL;
suv->uv_up = suv->uv_down = NULL;
suv->origuv[0] = uv_new[0];
suv->origuv[1] = uv_new[1];
BLI_linklist_prepend(&suv->fuv_list, uv_new);
BLI_ghash_insert(uvarray[uvlay_idx],ev,suv);
suv_last++; /* advance to next slide UV */
maxnum++;
}
/* Now get the uvs along the up or down edge if we can */
if (suv) {
if (!suv->uv_up) {
ev_up = editedge_getOtherVert(tempsv->up,ev);
if (efa->v1==ev_up) suv->uv_up = tf->uv[0];
else if (efa->v2==ev_up) suv->uv_up = tf->uv[1];
else if (efa->v3==ev_up) suv->uv_up = tf->uv[2];
else if (efa->v4 && efa->v4==ev_up) suv->uv_up = tf->uv[3];
}
if (!suv->uv_down) { /* if the first face was apart of the up edge, it cant be apart of the down edge */
ev_down = editedge_getOtherVert(tempsv->down,ev);
if (efa->v1==ev_down) suv->uv_down = tf->uv[0];
else if (efa->v2==ev_down) suv->uv_down = tf->uv[1];
else if (efa->v3==ev_down) suv->uv_down = tf->uv[2];
else if (efa->v4 && efa->v4==ev_down) suv->uv_down = tf->uv[3];
}
/* Copy the pointers to the face UV's */
BLI_linklist_prepend(&suv->fuv_list, uv_new);
}
}
}
}
look = look->next;
}
} /* end uv layer loop */
} /* end uvlay_tot */
// we should have enough info now to slide
len = 0.0f;
@@ -5089,7 +5208,21 @@ int EdgeSlide(short immediate, float imperc)
tempev = editedge_getOtherVert((perc>=0)?tempsv->up:tempsv->down, ev);
VecLerpf(ev->co, tempsv->origvert.co, tempev->co, fabs(perc));
if (G.scene->toolsettings->uvcalc_flag & UVCALC_TRANSFORM_CORRECT) {
for (uvlay_idx=0; uvlay_idx<uvlay_tot; uvlay_idx++) {
suv = BLI_ghash_lookup( uvarray[uvlay_idx], ev );
if (suv && suv->fuv_list && suv->uv_up && suv->uv_down) {
Vec2Lerpf(uv_tmp, suv->origuv, (perc>=0)?suv->uv_up:suv->uv_down, fabs(perc));
fuv_link = suv->fuv_list;
while (fuv_link) {
VECCOPY2D(((float *)fuv_link->link), uv_tmp);
fuv_link = fuv_link->next;
}
}
}
}
look = look->next;
}
}
@@ -5105,8 +5238,37 @@ int EdgeSlide(short immediate, float imperc)
if(newlen < 0.0) {newlen = 0.0;}
if(flip == 0) {
VecLerpf(ev->co, editedge_getOtherVert(tempsv->down,ev)->co, editedge_getOtherVert(tempsv->up,ev)->co, fabs(newlen));
if (G.scene->toolsettings->uvcalc_flag & UVCALC_TRANSFORM_CORRECT) {
/* dont do anything if no UVs */
for (uvlay_idx=0; uvlay_idx<uvlay_tot; uvlay_idx++) {
suv = BLI_ghash_lookup( uvarray[uvlay_idx], ev );
if (suv && suv->fuv_list && suv->uv_up && suv->uv_down) {
Vec2Lerpf(uv_tmp, suv->uv_down, suv->uv_up, fabs(newlen));
fuv_link = suv->fuv_list;
while (fuv_link) {
VECCOPY2D(((float *)fuv_link->link), uv_tmp);
fuv_link = fuv_link->next;
}
}
}
}
} else{
VecLerpf(ev->co, editedge_getOtherVert(tempsv->up,ev)->co, editedge_getOtherVert(tempsv->down,ev)->co, fabs(newlen));
if (G.scene->toolsettings->uvcalc_flag & UVCALC_TRANSFORM_CORRECT) {
/* dont do anything if no UVs */
for (uvlay_idx=0; uvlay_idx<uvlay_tot; uvlay_idx++) {
suv = BLI_ghash_lookup( uvarray[uvlay_idx], ev );
if (suv && suv->fuv_list && suv->uv_up && suv->uv_down) {
Vec2Lerpf(uv_tmp, suv->uv_up, suv->uv_down, fabs(newlen));
fuv_link = suv->fuv_list;
while (fuv_link) {
VECCOPY2D(((float *)fuv_link->link), uv_tmp);
fuv_link = fuv_link->next;
}
}
}
}
}
look = look->next;
}
@@ -5276,6 +5438,24 @@ int EdgeSlide(short immediate, float imperc)
BLI_ghash_free(vertgh, NULL, (GHashValFreeFP)MEM_freeN);
BLI_linklist_free(vertlist,NULL);
BLI_linklist_free(edgelist,NULL);
if (uvlay_tot && (G.scene->toolsettings->uvcalc_flag & UVCALC_TRANSFORM_CORRECT)) {
for (uvlay_idx=0; uvlay_idx<uvlay_tot; uvlay_idx++) {
BLI_ghash_free(uvarray[uvlay_idx], NULL, NULL);
}
MEM_freeN(uvarray);
MEM_freeN(slideuvs);
suv = suv_last-1;
while (suv >= slideuvs) {
if (suv->fuv_list) {
BLI_linklist_free(suv->fuv_list,NULL);
}
suv--;
}
allqueue(REDRAWIMAGE, 0);
}
if(cancel == 1) {
return -1;