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Differential D10934 Diff 36038 source/blender/editors/space_node/node_relationships.c

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source/blender/editors/space_node/node_relationships.c

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{ {
bNodeLinkDrag *nldrag = NULL; bNodeLinkDrag *nldrag = NULL;
/* output indicated? */ /* output indicated? */
bNode *node; bNode *node;
bNodeSocket *sock; bNodeSocket *sock;
if (node_find_indicated_socket(snode, &node, &sock, cursor, SOCK_OUT)) { if (node_find_indicated_socket(snode, &node, &sock, cursor, SOCK_OUT)) {
nldrag = MEM_callocN(sizeof(bNodeLinkDrag), "drag link op customdata"); nldrag = MEM_callocN(sizeof(bNodeLinkDrag), "drag link op customdata");
nldrag->last_node_hovered_while_dragging_a_link = node;
const int num_links = nodeCountSocketLinks(snode->edittree, sock); const int num_links = nodeCountSocketLinks(snode->edittree, sock);
int link_limit = nodeSocketLinkLimit(sock); int link_limit = nodeSocketLinkLimit(sock);
if (num_links > 0 && (num_links >= link_limit || detach)) { if (num_links > 0 && (num_links >= link_limit || detach)) {
/* dragged links are fixed on input side */ /* dragged links are fixed on input side */
nldrag->in_out = SOCK_IN; nldrag->in_out = SOCK_IN;
/* detach current links and store them in the operator data */ /* detach current links and store them in the operator data */
LISTBASE_FOREACH_MUTABLE (bNodeLink *, link, &snode->edittree->links) { LISTBASE_FOREACH_MUTABLE (bNodeLink *, link, &snode->edittree->links) {
Show All 28 Lines else {
LinkData *linkdata = create_drag_link(bmain, snode, node, sock); LinkData *linkdata = create_drag_link(bmain, snode, node, sock);
BLI_addtail(&nldrag->links, linkdata); BLI_addtail(&nldrag->links, linkdata);
} }
} }
/* or an input? */ /* or an input? */
else if (node_find_indicated_socket(snode, &node, &sock, cursor, SOCK_IN)) { else if (node_find_indicated_socket(snode, &node, &sock, cursor, SOCK_IN)) {
nldrag = MEM_callocN(sizeof(bNodeLinkDrag), "drag link op customdata"); nldrag = MEM_callocN(sizeof(bNodeLinkDrag), "drag link op customdata");
nldrag->last_node_hovered_while_dragging_a_link = node;
const int num_links = nodeCountSocketLinks(snode->edittree, sock); const int num_links = nodeCountSocketLinks(snode->edittree, sock);
if (num_links > 0) { if (num_links > 0) {
/* dragged links are fixed on output side */ /* dragged links are fixed on output side */
nldrag->in_out = SOCK_OUT; nldrag->in_out = SOCK_OUT;
/* detach current links and store them in the operator data */ /* detach current links and store them in the operator data */
bNodeLink *link_to_pick; bNodeLink *link_to_pick;
LISTBASE_FOREACH_MUTABLE (bNodeLink *, link, &snode->edittree->links) { LISTBASE_FOREACH_MUTABLE (bNodeLink *, link, &snode->edittree->links) {
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