static void draw_mesh_text(Scene *scene, Object *ob, int glsl)
{
Mesh *me = ob->data;
DerivedMesh *ddm;
MPoly *mp, *mface = me->mpoly;
MTexPoly *mtpoly = me->mtpoly;
MLoopUV *mloopuv = me->mloopuv;
MLoopUV *luv;
MLoopCol *mloopcol = me->mloopcol; /* why does mcol exist? */
MLoopCol *lcol;
bProperty *prop = BKE_bproperty_object_get(ob, "Text");
GPUVertexAttribs gattribs;
int a, totpoly = me->totpoly;
/* fake values to pass to GPU_render_text() */
MCol tmp_mcol[4] = {{0}};
MCol *tmp_mcol_pt = mloopcol ? tmp_mcol : NULL;
MTFace tmp_tf = {{{0}}};
/* don't draw without tfaces */
if (!mtpoly || !mloopuv)
return;
/* don't draw when editing */
if (ob->mode & OB_MODE_EDIT)
return;
else if (ob == OBACT)
if (BKE_paint_select_elem_test(ob))
return;
ddm = mesh_get_derived_deform(scene, ob, CD_MASK_BAREMESH);
for (a = 0, mp = mface; a < totpoly; a++, mtpoly++, mp++) {
short matnr = mp->mat_nr;
int mf_smooth = mp->flag & ME_SMOOTH;
Material *mat = (me->mat) ? me->mat[matnr] : NULL;
int mode = mat ? mat->game.flag : GEMAT_INVISIBLE;
if (!(mode & GEMAT_INVISIBLE) && (mode & GEMAT_TEXT) && mp->totloop >= 3) {
/* get the polygon as a tri/quad */
int mp_vi[4];
float v1[3], v2[3], v3[3], v4[3];
char string[MAX_PROPSTRING];
int characters, i, glattrib = -1, badtex = 0;
/* TEXFACE */
ME_MTEXFACE_CPY(&tmp_tf, mtpoly);
if (glsl) {
GPU_enable_material(matnr + 1, &gattribs);
for (i = 0; i < gattribs.totlayer; i++) {
if (gattribs.layer[i].type == CD_MTFACE) {
glattrib = gattribs.layer[i].glindex;
break;
}
}
}
else {
badtex = set_draw_settings_cached(0, &tmp_tf, mat, Gtexdraw);
if (badtex) {
continue;
}
}
mp_vi[0] = me->mloop[mp->loopstart + 0].v;
mp_vi[1] = me->mloop[mp->loopstart + 1].v;
mp_vi[2] = me->mloop[mp->loopstart + 2].v;
mp_vi[3] = (mp->totloop >= 4) ? me->mloop[mp->loopstart + 3].v : 0;
/* UV */
luv = &mloopuv[mp->loopstart];
copy_v2_v2(tmp_tf.uv[0], luv->uv); luv++;
copy_v2_v2(tmp_tf.uv[1], luv->uv); luv++;
copy_v2_v2(tmp_tf.uv[2], luv->uv); luv++;
if (mp->totloop >= 4) {
copy_v2_v2(tmp_tf.uv[3], luv->uv);
}
/* COLOR */
if (mloopcol) {
unsigned int totloop_clamp = min_ii(4, mp->totloop);
unsigned int j;
lcol = &mloopcol[mp->loopstart];
for (j = 0; j < totloop_clamp; j++, lcol++) {
MESH_MLOOPCOL_TO_MCOL(lcol, &tmp_mcol[j]);
}
}
/* LOCATION */
ddm->getVertCo(ddm, mp_vi[0], v1);
ddm->getVertCo(ddm, mp_vi[1], v2);
ddm->getVertCo(ddm, mp_vi[2], v3);
if (mp->totloop >= 4) {
ddm->getVertCo(ddm, mp_vi[3], v4);
}
/* The BM_FONT handling is in the gpu module, shared with the
* game engine, was duplicated previously */
BKE_bproperty_set_valstr(prop, string);
characters = strlen(string);
if (!BKE_image_has_ibuf(mtpoly->tpage, NULL))
characters = 0;
if (!mf_smooth) {
float nor[3];
normal_tri_v3(nor, v1, v2, v3);
glNormal3fv(nor);
}
GPU_render_text(&tmp_tf, mode, string, characters,
(unsigned int *)tmp_mcol_pt, v1, v2, v3, (mp->totloop >= 4 ? v4 : NULL), glattrib);
}
}
ddm->release(ddm);
}
/**
* Copies data from loop/poly to face (assumes all triangles or quads, as generated by most subdivisions)
*/
static void loops_to_customdata_corners(DerivedMesh *output)
{
int i, numPolys, numTex, numCol, hasPCol;
MPoly *polys;
//if (!CustomData_get_layer_n(&output->loopData, CD_MLOOPCOL, n)) {
// Not sure how this works with "n" ?
// CustomData_add_layer(&output->loopData, CD_MLOOPCOL, CD_CALLOC, NULL, output->numVertData);
//}
numCol = CustomData_number_of_layers(&output->loopData, CD_MLOOPCOL);
numTex = CustomData_number_of_layers(&output->loopData, CD_MLOOPUV);
hasPCol = CustomData_has_layer(&output->loopData, CD_PREVIEW_MLOOPCOL);
polys = output->getPolyArray(output);
numPolys = output->getNumPolys(output);
for (i = 0; i < numTex; i++) {
int k;
MTexPoly *texpoly = CustomData_get_layer_n(&output->polyData, CD_MTEXPOLY, i);
MLoopUV *mloopuv = CustomData_get_layer_n(&output->loopData, CD_MLOOPUV, i);
MTFace *texface = CustomData_get_layer_n(&output->faceData, CD_MTFACE, i);
if (!texface) {
texface = CustomData_add_layer(&output->faceData, CD_MTFACE, CD_CALLOC, NULL, numPolys);
}
for (k = 0; k < numPolys; k++) {
int j;
MPoly *poly = &polys[k];
MLoopUV *ml = &mloopuv[poly->loopstart];
ME_MTEXFACE_CPY(&texface[k], &texpoly[k]);
for (j = 0; j < poly->totloop; j++) {
copy_v2_v2(texface[k].uv[j], ml[j].uv);
}
}
}
for (i = 0; i < numCol; i++) {
int k;
MLoopCol *mloopcol = CustomData_get_layer_n(&output->loopData, CD_MLOOPCOL, i);
MCol *mcol = CustomData_get_layer_n(&output->faceData, CD_MCOL, i);
if (!mcol) {
mcol = CustomData_add_layer(&output->faceData, CD_MCOL, CD_CALLOC, NULL, numPolys * 4);
}
for (k = 0; k < numPolys; k++) {
int j;
MPoly *poly = &polys[k];
MLoopCol *ml = &mloopcol[poly->loopstart];
for (j = 0; j < poly->totloop; j++) {
MESH_MLOOPCOL_TO_MCOL(&ml[j], &mcol[j]);
}
mcol += 4;
}
}
if (hasPCol) {
int k;
MLoopCol *mloopcol = CustomData_get_layer(&output->loopData, CD_PREVIEW_MLOOPCOL);
MCol *mcol = CustomData_get_layer(&output->faceData, CD_PREVIEW_MCOL);
if (!mcol) {
mcol = CustomData_add_layer(&output->faceData, CD_MCOL, CD_CALLOC, NULL, numPolys * 4);
}
for (k = 0; k < numPolys; k++) {
int j;
MPoly *poly = &polys[k];
MLoopCol *ml = &mloopcol[poly->loopstart];
for (j = 0; j < poly->totloop; j++) {
MESH_MLOOPCOL_TO_MCOL(&ml[j], &mcol[j]);
}
mcol += 4;
}
}
}