void ntreeTexCheckCyclics(struct bNodeTree *ntree)
{
bNode *node;
for (node = ntree->nodes.first; node; node = node->next) {
if (node->type == TEX_NODE_TEXTURE && node->id) {
/* custom2 stops the node from rendering */
if (node->custom1) {
node->custom2 = 1;
node->custom1 = 0;
}
else {
Tex *tex = (Tex *)node->id;
node->custom2 = 0;
node->custom1 = 1;
if (tex->use_nodes && tex->nodetree) {
ntreeTexCheckCyclics(tex->nodetree);
}
node->custom1 = 0;
}
}
}
}
void ED_node_generic_update(Main *bmain, bNodeTree *ntree, bNode *node)
{
bNodeTreeType *tti= ntreeGetType(ntree->type);
NodeUpdateCalldata cd;
cd.ntree = ntree;
cd.node = node;
/* look through all datablocks, to support groups */
tti->foreach_nodetree(bmain, &cd, node_generic_update_cb);
if(ntree->type == NTREE_TEXTURE)
ntreeTexCheckCyclics(ntree);
}
void ED_node_generic_update(Main *bmain, bNodeTree *ntree, bNode *node)
{
Material *ma;
Tex *tex;
Scene *sce;
/* look through all datablocks, to support groups */
for(ma=bmain->mat.first; ma; ma=ma->id.next)
if(ma->nodetree && ma->use_nodes && has_nodetree(ma->nodetree, ntree))
ED_node_changed_update(&ma->id, node);
for(tex=bmain->tex.first; tex; tex=tex->id.next)
if(tex->nodetree && tex->use_nodes && has_nodetree(tex->nodetree, ntree))
ED_node_changed_update(&tex->id, node);
for(sce=bmain->scene.first; sce; sce=sce->id.next)
if(sce->nodetree && sce->use_nodes && has_nodetree(sce->nodetree, ntree))
ED_node_changed_update(&sce->id, node);
if(ntree->type == NTREE_TEXTURE)
ntreeTexCheckCyclics(ntree);
}