/* draws uv's in the image space */
static void draw_uvs(SpaceImage *sima, Scene *scene, Object *obedit)
{
ToolSettings *ts;
Mesh *me= obedit->data;
EditMesh *em;
EditFace *efa, *efa_act;
MTFace *tf, *activetf = NULL;
DerivedMesh *finaldm, *cagedm;
char col1[4], col2[4];
float pointsize;
int drawfaces, interpedges, lastsel, sel;
Image *ima= sima->image;
em= BKE_mesh_get_editmesh(me);
activetf= EM_get_active_mtface(em, &efa_act, NULL, 0); /* will be set to NULL if hidden */
ts= scene->toolsettings;
drawfaces= draw_uvs_face_check(scene);
if(ts->uv_flag & UV_SYNC_SELECTION)
interpedges= (ts->selectmode & SCE_SELECT_VERTEX);
else
interpedges= (ts->uv_selectmode == UV_SELECT_VERTEX);
/* draw other uvs */
if(sima->flag & SI_DRAW_OTHER)
draw_uvs_other(sima, scene, obedit, activetf);
/* 1. draw shadow mesh */
if(sima->flag & SI_DRAWSHADOW) {
/* first try existing derivedmesh */
if(!draw_uvs_dm_shadow(em->derivedFinal)) {
/* create one if it does not exist */
cagedm = editmesh_get_derived_cage_and_final(scene, obedit, em, &finaldm, CD_MASK_BAREMESH|CD_MASK_MTFACE);
/* when sync selection is enabled, all faces are drawn (except for hidden)
* so if cage is the same as the final, theres no point in drawing this */
if(!((ts->uv_flag & UV_SYNC_SELECTION) && (cagedm == finaldm)))
draw_uvs_dm_shadow(finaldm);
/* release derivedmesh again */
if(cagedm != finaldm) cagedm->release(cagedm);
finaldm->release(finaldm);
}
}
/* 2. draw colored faces */
if(sima->flag & SI_DRAW_STRETCH) {
draw_uvs_stretch(sima, scene, em, activetf);
}
else if(me->drawflag & ME_DRAWFACES) {
/* draw transparent faces */
UI_GetThemeColor4ubv(TH_FACE, col1);
UI_GetThemeColor4ubv(TH_FACE_SELECT, col2);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
glEnable(GL_BLEND);
for(efa= em->faces.first; efa; efa= efa->next) {
tf= CustomData_em_get(&em->fdata, efa->data, CD_MTFACE);
if(uvedit_face_visible(scene, ima, efa, tf)) {
efa->tmp.p = tf;
if(tf==activetf) continue; /* important the temp pointer is set above */
if(uvedit_face_selected(scene, efa, tf))
glColor4ubv((GLubyte *)col2);
else
glColor4ubv((GLubyte *)col1);
glBegin(efa->v4?GL_QUADS:GL_TRIANGLES);
glVertex2fv(tf->uv[0]);
glVertex2fv(tf->uv[1]);
glVertex2fv(tf->uv[2]);
if(efa->v4) glVertex2fv(tf->uv[3]);
glEnd();
}
else {
if(tf == activetf)
activetf= NULL;
efa->tmp.p = NULL;
}
}
glDisable(GL_BLEND);
}
else {
/* would be nice to do this within a draw loop but most below are optional, so it would involve too many checks */
for(efa= em->faces.first; efa; efa= efa->next) {
tf= CustomData_em_get(&em->fdata, efa->data, CD_MTFACE);
if(uvedit_face_visible(scene, ima, efa, tf)) {
efa->tmp.p = tf;
}
else {
if(tf == activetf)
activetf= NULL;
efa->tmp.p = NULL;
}
}
}
/* 3. draw active face stippled */
if(activetf) {
glEnable(GL_BLEND);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
UI_ThemeColor4(TH_EDITMESH_ACTIVE);
glEnable(GL_POLYGON_STIPPLE);
glPolygonStipple(stipple_quarttone);
glBegin(efa_act->v4? GL_QUADS: GL_TRIANGLES);
glVertex2fv(activetf->uv[0]);
glVertex2fv(activetf->uv[1]);
glVertex2fv(activetf->uv[2]);
if(efa_act->v4) glVertex2fv(activetf->uv[3]);
glEnd();
glDisable(GL_POLYGON_STIPPLE);
glDisable(GL_BLEND);
}
/* 4. draw edges */
if(sima->flag & SI_SMOOTH_UV) {
glEnable(GL_LINE_SMOOTH);
glEnable(GL_BLEND);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
}
switch(sima->dt_uv) {
case SI_UVDT_DASH:
for(efa= em->faces.first; efa; efa= efa->next) {
tf= (MTFace *)efa->tmp.p; /* visible faces cached */
if(tf) {
cpack(0x111111);
glBegin(GL_LINE_LOOP);
glVertex2fv(tf->uv[0]);
glVertex2fv(tf->uv[1]);
glVertex2fv(tf->uv[2]);
if(efa->v4) glVertex2fv(tf->uv[3]);
glEnd();
setlinestyle(2);
cpack(0x909090);
glBegin(GL_LINE_STRIP);
glVertex2fv(tf->uv[0]);
glVertex2fv(tf->uv[1]);
glEnd();
glBegin(GL_LINE_STRIP);
glVertex2fv(tf->uv[0]);
if(efa->v4) glVertex2fv(tf->uv[3]);
else glVertex2fv(tf->uv[2]);
glEnd();
glBegin(GL_LINE_STRIP);
glVertex2fv(tf->uv[1]);
glVertex2fv(tf->uv[2]);
if(efa->v4) glVertex2fv(tf->uv[3]);
glEnd();
setlinestyle(0);
}
}
break;
case SI_UVDT_BLACK: /* black/white */
case SI_UVDT_WHITE:
if(sima->dt_uv==SI_UVDT_WHITE) glColor3f(1.0f, 1.0f, 1.0f);
else glColor3f(0.0f, 0.0f, 0.0f);
for(efa= em->faces.first; efa; efa= efa->next) {
tf= (MTFace *)efa->tmp.p; /* visible faces cached */
if(tf) {
glBegin(GL_LINE_LOOP);
glVertex2fv(tf->uv[0]);
glVertex2fv(tf->uv[1]);
glVertex2fv(tf->uv[2]);
if(efa->v4) glVertex2fv(tf->uv[3]);
glEnd();
}
}
break;
case SI_UVDT_OUTLINE:
glLineWidth(3);
cpack(0x0);
for(efa= em->faces.first; efa; efa= efa->next) {
tf= (MTFace *)efa->tmp.p; /* visible faces cached */
if(tf) {
glBegin(GL_LINE_LOOP);
glVertex2fv(tf->uv[0]);
glVertex2fv(tf->uv[1]);
glVertex2fv(tf->uv[2]);
if(efa->v4) glVertex2fv(tf->uv[3]);
glEnd();
}
}
glLineWidth(1);
col2[0] = col2[1] = col2[2] = 192; col2[3] = 255;
glColor4ubv((unsigned char *)col2);
if(me->drawflag & ME_DRAWEDGES) {
UI_GetThemeColor4ubv(TH_VERTEX_SELECT, col1);
lastsel = sel = 0;
if(interpedges) {
glShadeModel(GL_SMOOTH);
for(efa= em->faces.first; efa; efa= efa->next) {
tf= (MTFace *)efa->tmp.p; /* visible faces cached */
if(tf) {
glBegin(GL_LINE_LOOP);
sel = (uvedit_uv_selected(scene, efa, tf, 0)? 1 : 0);
if(sel != lastsel) { glColor4ubv(sel ? (GLubyte *)col1 : (GLubyte *)col2); lastsel = sel; }
glVertex2fv(tf->uv[0]);
sel = uvedit_uv_selected(scene, efa, tf, 1)? 1 : 0;
if(sel != lastsel) { glColor4ubv(sel ? (GLubyte *)col1 : (GLubyte *)col2); lastsel = sel; }
glVertex2fv(tf->uv[1]);
sel = uvedit_uv_selected(scene, efa, tf, 2)? 1 : 0;
if(sel != lastsel) { glColor4ubv(sel ? (GLubyte *)col1 : (GLubyte *)col2); lastsel = sel; }
glVertex2fv(tf->uv[2]);
if(efa->v4) {
sel = uvedit_uv_selected(scene, efa, tf, 3)? 1 : 0;
if(sel != lastsel) { glColor4ubv(sel ? (GLubyte *)col1 : (GLubyte *)col2); lastsel = sel; }
glVertex2fv(tf->uv[3]);
}
glEnd();
}
}
glShadeModel(GL_FLAT);
}
else {
for(efa= em->faces.first; efa; efa= efa->next) {
tf= (MTFace *)efa->tmp.p; /* visible faces cached */
if(tf) {
glBegin(GL_LINES);
sel = (uvedit_edge_selected(scene, efa, tf, 0)? 1 : 0);
if(sel != lastsel) { glColor4ubv(sel ? (GLubyte *)col1 : (GLubyte *)col2); lastsel = sel; }
glVertex2fv(tf->uv[0]);
glVertex2fv(tf->uv[1]);
sel = uvedit_edge_selected(scene, efa, tf, 1)? 1 : 0;
if(sel != lastsel) { glColor4ubv(sel ? (GLubyte *)col1 : (GLubyte *)col2); lastsel = sel; }
glVertex2fv(tf->uv[1]);
glVertex2fv(tf->uv[2]);
sel = uvedit_edge_selected(scene, efa, tf, 2)? 1 : 0;
if(sel != lastsel) { glColor4ubv(sel ? (GLubyte *)col1 : (GLubyte *)col2); lastsel = sel; }
glVertex2fv(tf->uv[2]);
if(efa->v4) {
glVertex2fv(tf->uv[3]);
sel = uvedit_edge_selected(scene, efa, tf, 3)? 1 : 0;
if(sel != lastsel) { glColor4ubv(sel ? (GLubyte *)col1 : (GLubyte *)col2); lastsel = sel; }
glVertex2fv(tf->uv[3]);
}
glVertex2fv(tf->uv[0]);
glEnd();
}
}
}
}
else {
/* no nice edges */
for(efa= em->faces.first; efa; efa= efa->next) {
tf= (MTFace *)efa->tmp.p; /* visible faces cached */
if(tf) {
glBegin(GL_LINE_LOOP);
glVertex2fv(tf->uv[0]);
glVertex2fv(tf->uv[1]);
glVertex2fv(tf->uv[2]);
if(efa->v4) glVertex2fv(tf->uv[3]);
glEnd();
}
}
}
break;
}
if(sima->flag & SI_SMOOTH_UV) {
glDisable(GL_LINE_SMOOTH);
glDisable(GL_BLEND);
}
/* 5. draw face centers */
if(drawfaces) {
float cent[2];
pointsize = UI_GetThemeValuef(TH_FACEDOT_SIZE);
glPointSize(pointsize); // TODO - drawobject.c changes this value after - Investigate!
/* unselected faces */
UI_ThemeColor(TH_WIRE);
bglBegin(GL_POINTS);
for(efa= em->faces.first; efa; efa= efa->next) {
tf= (MTFace *)efa->tmp.p; /* visible faces cached */
if(tf && !uvedit_face_selected(scene, efa, tf)) {
uv_center(tf->uv, cent, efa->v4 != NULL);
bglVertex2fv(cent);
}
}
bglEnd();
/* selected faces */
UI_ThemeColor(TH_FACE_DOT);
bglBegin(GL_POINTS);
for(efa= em->faces.first; efa; efa= efa->next) {
tf= (MTFace *)efa->tmp.p; /* visible faces cached */
if(tf && uvedit_face_selected(scene, efa, tf)) {
uv_center(tf->uv, cent, efa->v4 != NULL);
bglVertex2fv(cent);
}
}
bglEnd();
}
/* 6. draw uv vertices */
if(drawfaces != 2) { /* 2 means Mesh Face Mode */
/* unselected uvs */
UI_ThemeColor(TH_VERTEX);
pointsize = UI_GetThemeValuef(TH_VERTEX_SIZE);
glPointSize(pointsize);
bglBegin(GL_POINTS);
for(efa= em->faces.first; efa; efa= efa->next) {
tf= (MTFace *)efa->tmp.p; /* visible faces cached */
if(tf) {
if(!uvedit_uv_selected(scene, efa, tf, 0))
bglVertex2fv(tf->uv[0]);
if(!uvedit_uv_selected(scene, efa, tf, 1))
bglVertex2fv(tf->uv[1]);
if(!uvedit_uv_selected(scene, efa, tf, 2))
bglVertex2fv(tf->uv[2]);
if(efa->v4 && !uvedit_uv_selected(scene, efa, tf, 3))
bglVertex2fv(tf->uv[3]);
}
}
bglEnd();
/* pinned uvs */
/* give odd pointsizes odd pin pointsizes */
glPointSize(pointsize*2 + (((int)pointsize % 2)? (-1): 0));
cpack(0xFF);
bglBegin(GL_POINTS);
for(efa= em->faces.first; efa; efa= efa->next) {
tf= (MTFace *)efa->tmp.p; /* visible faces cached */
if(tf) {
if(tf->unwrap & TF_PIN1)
bglVertex2fv(tf->uv[0]);
if(tf->unwrap & TF_PIN2)
bglVertex2fv(tf->uv[1]);
if(tf->unwrap & TF_PIN3)
bglVertex2fv(tf->uv[2]);
if(efa->v4 && (tf->unwrap & TF_PIN4))
bglVertex2fv(tf->uv[3]);
}
}
bglEnd();
/* selected uvs */
UI_ThemeColor(TH_VERTEX_SELECT);
glPointSize(pointsize);
bglBegin(GL_POINTS);
for(efa= em->faces.first; efa; efa= efa->next) {
tf= (MTFace *)efa->tmp.p; /* visible faces cached */
if(tf) {
if(uvedit_uv_selected(scene, efa, tf, 0))
bglVertex2fv(tf->uv[0]);
if(uvedit_uv_selected(scene, efa, tf, 1))
bglVertex2fv(tf->uv[1]);
if(uvedit_uv_selected(scene, efa, tf, 2))
bglVertex2fv(tf->uv[2]);
if(efa->v4 && uvedit_uv_selected(scene, efa, tf, 3))
bglVertex2fv(tf->uv[3]);
}
}
bglEnd();
}
glPointSize(1.0);
BKE_mesh_end_editmesh(obedit->data, em);
}
static void meshdeformModifier_do(
ModifierData *md, Object *ob, DerivedMesh *dm,
float (*vertexCos)[3], int numVerts)
{
MeshDeformModifierData *mmd = (MeshDeformModifierData*) md;
struct Mesh *me= (mmd->object)? mmd->object->data: NULL;
struct EditMesh *em = (me)? BKE_mesh_get_editmesh(me): NULL;
DerivedMesh *tmpdm, *cagedm;
MDeformVert *dvert = NULL;
MDefInfluence *influences;
int *offsets;
float imat[4][4], cagemat[4][4], iobmat[4][4], icagemat[3][3], cmat[4][4];
float weight, totweight, fac, co[3], (*dco)[3], (*bindcagecos)[3];
int a, b, totvert, totcagevert, defgrp_index;
float (*cagecos)[3];
if(!mmd->object || (!mmd->bindcagecos && !mmd->bindfunc))
return;
/* get cage derivedmesh */
if(em) {
tmpdm= editmesh_get_derived_cage_and_final(md->scene, ob, em, &cagedm, 0);
if(tmpdm)
tmpdm->release(tmpdm);
BKE_mesh_end_editmesh(me, em);
}
else
cagedm= mmd->object->derivedFinal;
/* if we don't have one computed, use derivedmesh from data
* without any modifiers */
if(!cagedm) {
cagedm= get_dm(mmd->object, NULL, NULL, NULL, 0);
if(cagedm)
cagedm->needsFree= 1;
}
if(!cagedm) {
modifier_setError(md, "Can't get mesh from cage object.");
return;
}
/* compute matrices to go in and out of cage object space */
invert_m4_m4(imat, mmd->object->obmat);
mult_m4_m4m4(cagemat, imat, ob->obmat);
mult_m4_m4m4(cmat, mmd->bindmat, cagemat);
invert_m4_m4(iobmat, cmat);
copy_m3_m4(icagemat, iobmat);
/* bind weights if needed */
if(!mmd->bindcagecos) {
static int recursive = 0;
/* progress bar redraw can make this recursive .. */
if(!recursive) {
recursive = 1;
mmd->bindfunc(md->scene, mmd, (float*)vertexCos, numVerts, cagemat);
recursive = 0;
}
}
/* verify we have compatible weights */
totvert= numVerts;
totcagevert= cagedm->getNumVerts(cagedm);
if(mmd->totvert != totvert) {
modifier_setError(md, "Verts changed from %d to %d.", mmd->totvert, totvert);
cagedm->release(cagedm);
return;
}
else if (mmd->totcagevert != totcagevert) {
modifier_setError(md, "Cage verts changed from %d to %d.", mmd->totcagevert, totcagevert);
cagedm->release(cagedm);
return;
} else if (mmd->bindcagecos == NULL) {
modifier_setError(md, "Bind data missing.");
cagedm->release(cagedm);
return;
}
cagecos= MEM_callocN(sizeof(*cagecos)*totcagevert, "meshdeformModifier vertCos");
/* setup deformation data */
cagedm->getVertCos(cagedm, cagecos);
influences= mmd->bindinfluences;
offsets= mmd->bindoffsets;
bindcagecos= (float(*)[3])mmd->bindcagecos;
dco= MEM_callocN(sizeof(*dco)*totcagevert, "MDefDco");
for(a=0; a<totcagevert; a++) {
/* get cage vertex in world space with binding transform */
copy_v3_v3(co, cagecos[a]);
if(G.rt != 527) {
mul_m4_v3(mmd->bindmat, co);
/* compute difference with world space bind coord */
sub_v3_v3v3(dco[a], co, bindcagecos[a]);
}
else
copy_v3_v3(dco[a], co);
}
modifier_get_vgroup(ob, dm, mmd->defgrp_name, &dvert, &defgrp_index);
/* do deformation */
fac= 1.0f;
for(b=0; b<totvert; b++) {
if(mmd->flag & MOD_MDEF_DYNAMIC_BIND)
if(!mmd->dynverts[b])
continue;
if(dvert) {
fac= defvert_find_weight(&dvert[b], defgrp_index);
if (mmd->flag & MOD_MDEF_INVERT_VGROUP) {
fac= 1.0f - fac;
}
if (fac <= 0.0f) {
continue;
}
}
if(mmd->flag & MOD_MDEF_DYNAMIC_BIND) {
/* transform coordinate into cage's local space */
mul_v3_m4v3(co, cagemat, vertexCos[b]);
totweight= meshdeform_dynamic_bind(mmd, dco, co);
}
else {
totweight= 0.0f;
zero_v3(co);
for(a=offsets[b]; a<offsets[b+1]; a++) {
weight= influences[a].weight;
madd_v3_v3fl(co, dco[influences[a].vertex], weight);
totweight += weight;
}
}
if(totweight > 0.0f) {
mul_v3_fl(co, fac/totweight);
mul_m3_v3(icagemat, co);
if(G.rt != 527)
add_v3_v3(vertexCos[b], co);
else
copy_v3_v3(vertexCos[b], co);
}
}
/* release cage derivedmesh */
MEM_freeN(dco);
MEM_freeN(cagecos);
cagedm->release(cagedm);
}
