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Cycles: fix crash when drawing properties UI while editing node links.

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This commit is contained in:
Brecht Van Lommel
2011-05-09 10:40:53 +00:00
parent 31f44d8142
commit f0d91fec1b
1 changed files with 7 additions and 4 deletions
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11
source/blender/editors/interface/interface_node.c
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@@ -74,7 +74,7 @@ static void ui_node_tag_recursive(bNode *node)
{
bNodeSocket *input;
if(node->flag & NODE_TEST)
if(!node || (node->flag & NODE_TEST))
return; /* in case of cycles */
node->flag |= NODE_TEST;
@@ -88,7 +88,7 @@ static void ui_node_clear_recursive(bNode *node)
{
bNodeSocket *input;
if(!(node->flag & NODE_TEST))
if(!node || !(node->flag & NODE_TEST))
return; /* in case of cycles */
node->flag &= ~NODE_TEST;
@@ -115,6 +115,9 @@ static void ui_node_remove_linked(bNodeTree *ntree, bNode *rem_node)
bNode *node, *next;
bNodeSocket *sock;
if(!node)
return;
/* tag linked nodes to be removed */
for(node=ntree->nodes.first; node; node=node->next)
node->flag &= ~NODE_TEST;
@@ -144,7 +147,7 @@ static void ui_node_remove_linked(bNodeTree *ntree, bNode *rem_node)
static void ui_node_sock_name(bNodeSocket *sock, char name[UI_MAX_NAME_STR])
{
if(sock->link) {
if(sock->link && sock->link->fromnode) {
bNode *node = sock->link->fromnode;
if(node->type == NODE_GROUP)
@@ -229,7 +232,7 @@ static void ui_node_link(bContext *C, void *arg_p, void *event_p)
if(strcmp(sock_prev->name, sock_from->name) == 0 && sock_prev->type == sock_from->type) {
bNodeLink *link = sock_prev->link;
if(link) {
if(link && link->fromnode) {
nodeAddLink(ntree, link->fromnode, link->fromsock, node_from, sock_from);
nodeRemLink(ntree, link);
}