static int buttons_context_path_texture(ButsContextPath *path, ButsContextTexture *ct)
{
if (ct) {
/* new shading system */
PointerRNA *ptr = &path->ptr[path->len - 1];
ID *id;
/* if we already have a (pinned) texture, we're done */
if (RNA_struct_is_a(ptr->type, &RNA_Texture))
return 1;
if (!ct->user)
return 0;
id = ct->user->id;
if (id) {
if (GS(id->name) == ID_BR)
buttons_context_path_brush(path);
else if (GS(id->name) == ID_MA)
buttons_context_path_material(path, false, true);
else if (GS(id->name) == ID_WO)
buttons_context_path_world(path);
else if (GS(id->name) == ID_LA)
buttons_context_path_data(path, OB_LAMP);
else if (GS(id->name) == ID_PA)
buttons_context_path_particle(path);
else if (GS(id->name) == ID_OB)
buttons_context_path_object(path);
else if (GS(id->name) == ID_LS)
buttons_context_path_linestyle(path);
}
if (ct->texture) {
RNA_id_pointer_create(&ct->texture->id, &path->ptr[path->len]);
path->len++;
}
return 1;
}
else {
/* old shading system */
Material *ma;
Lamp *la;
World *wo;
ParticleSystem *psys;
FreestyleLineStyle *ls;
Tex *tex;
PointerRNA *ptr = &path->ptr[path->len - 1];
/* if we already have a (pinned) texture, we're done */
if (RNA_struct_is_a(ptr->type, &RNA_Texture)) {
return 1;
}
/* try world */
else if ((path->tex_ctx == SB_TEXC_WORLD) && buttons_context_path_world(path)) {
wo = path->ptr[path->len - 1].data;
if (wo && GS(wo->id.name) == ID_WO) {
tex = give_current_world_texture(wo);
RNA_id_pointer_create(&tex->id, &path->ptr[path->len]);
path->len++;
return 1;
}
}
/* try particles */
else if ((path->tex_ctx == SB_TEXC_PARTICLES) && buttons_context_path_particle(path)) {
if (path->ptr[path->len - 1].type == &RNA_ParticleSettings) {
ParticleSettings *part = path->ptr[path->len - 1].data;
tex = give_current_particle_texture(part);
RNA_id_pointer_create(&tex->id, &path->ptr[path->len]);
path->len++;
return 1;
}
else {
psys = path->ptr[path->len - 1].data;
if (psys && psys->part && GS(psys->part->id.name) == ID_PA) {
tex = give_current_particle_texture(psys->part);
RNA_id_pointer_create(&tex->id, &path->ptr[path->len]);
path->len++;
return 1;
}
}
}
/* try material */
else if ((path->tex_ctx == SB_TEXC_MATERIAL) && buttons_context_path_material(path, true, false)) {
ma = path->ptr[path->len - 1].data;
if (ma) {
tex = give_current_material_texture(ma);
RNA_id_pointer_create(&tex->id, &path->ptr[path->len]);
path->len++;
return 1;
}
}
/* try lamp */
else if ((path->tex_ctx == SB_TEXC_LAMP) && buttons_context_path_data(path, OB_LAMP)) {
la = path->ptr[path->len - 1].data;
if (la) {
tex = give_current_lamp_texture(la);
RNA_id_pointer_create(&tex->id, &path->ptr[path->len]);
path->len++;
return 1;
}
}
/* try linestyle */
else if ((path->tex_ctx == SB_TEXC_LINESTYLE) && buttons_context_path_linestyle(path)) {
ls = path->ptr[path->len - 1].data;
if (ls) {
tex = give_current_linestyle_texture(ls);
RNA_id_pointer_create(&tex->id, &path->ptr[path->len]);
path->len++;
return 1;
}
}
}
/* no path to a texture possible */
return 0;
}
static void texture_get_from_context(const bContext *C, bNodeTreeType *UNUSED(treetype), bNodeTree **r_ntree, ID **r_id, ID **r_from)
{
SpaceNode *snode = CTX_wm_space_node(C);
Scene *scene = CTX_data_scene(C);
Object *ob = OBACT;
Tex *tx = NULL;
if (snode->texfrom == SNODE_TEX_OBJECT) {
if (ob) {
tx = give_current_object_texture(ob);
if (tx) {
if (ob->type == OB_LAMP)
*r_from = (ID *)ob->data;
else
*r_from = (ID *)give_current_material(ob, ob->actcol);
/* from is not set fully for material nodes, should be ID + Node then */
*r_id = &tx->id;
*r_ntree = tx->nodetree;
}
}
}
else if (snode->texfrom == SNODE_TEX_WORLD) {
if (scene->world) {
*r_from = (ID *)scene->world;
tx = give_current_world_texture(scene->world);
if (tx) {
*r_id = &tx->id;
*r_ntree = tx->nodetree;
}
}
}
else if (snode->texfrom == SNODE_TEX_BRUSH) {
struct Brush *brush = NULL;
if (ob && (ob->mode & OB_MODE_SCULPT))
brush = BKE_paint_brush(&scene->toolsettings->sculpt->paint);
else
brush = BKE_paint_brush(&scene->toolsettings->imapaint.paint);
if (brush) {
*r_from = (ID *)brush;
tx = give_current_brush_texture(brush);
if (tx) {
*r_id = &tx->id;
*r_ntree = tx->nodetree;
}
}
}
else if (snode->texfrom == SNODE_TEX_LINESTYLE) {
FreestyleLineStyle *linestyle = BKE_linestyle_active_from_scene(scene);
if (linestyle) {
*r_from = (ID *)linestyle;
tx = give_current_linestyle_texture(linestyle);
if (tx) {
*r_id = &tx->id;
*r_ntree = tx->nodetree;
}
}
}
}
