static int buttons_context_path_texture(ButsContextPath *path)
{
Material *ma;
Lamp *la;
Brush *br;
World *wo;
ParticleSystem *psys;
Tex *tex;
PointerRNA *ptr= &path->ptr[path->len-1];
int orig_len = path->len;
/* if we already have a (pinned) texture, we're done */
if(RNA_struct_is_a(ptr->type, &RNA_Texture)) {
return 1;
}
/* try brush */
if((path->tex_ctx == SB_TEXC_BRUSH) && buttons_context_path_brush(path)) {
br= path->ptr[path->len-1].data;
if(br) {
tex= give_current_brush_texture(br);
RNA_id_pointer_create(&tex->id, &path->ptr[path->len]);
path->len++;
return 1;
}
}
/* try world */
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 */
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 */
if(buttons_context_path_material(path, 1)) {
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 */
if(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 brushes again in case of no material, lamp, etc */
path->len = orig_len;
if(buttons_context_path_brush(path)) {
br= path->ptr[path->len-1].data;
if(br) {
tex= give_current_brush_texture(br);
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;
}
}
}
}
