Node Editor: A bunch of new utility functions

Needed for node insert offset (Auto-offset in UI), but kept separate so people notice it without having to check insert offset commit (not for commit ratio of course ;) )

1 files changed, 10 insertions, 0 deletions

diff --git a/source/blender/blenkernel/BKE_node.h b/source/blender/blenkernel/BKE_node.h
index 583db20501d..b97bf203a7c 100644
--- a/source/blender/blenkernel/BKE_node.h
+++ b/source/blender/blenkernel/BKE_node.h
@@ -373,6 +373,7 @@ void            ntreeFreeCache(struct bNodeTree *ntree);
 
 int             ntreeNodeExists(struct bNodeTree *ntree, struct bNode *testnode);
 int             ntreeOutputExists(struct bNode *node, struct bNodeSocket *testsock);
+void            ntreeNodeFlagSet(const bNodeTree *ntree, const int flag, const bool enable);
 struct bNodeTree *ntreeLocalize(struct bNodeTree *ntree);
 void            ntreeLocalSync(struct bNodeTree *localtree, struct bNodeTree *ntree);
 void            ntreeLocalMerge(struct bNodeTree *localtree, struct bNodeTree *ntree);
@@ -475,6 +476,15 @@ void            nodeDetachNode(struct bNode *node);
 
 struct bNode   *nodeFindNodebyName(struct bNodeTree *ntree, const char *name);
 int             nodeFindNode(struct bNodeTree *ntree, struct bNodeSocket *sock, struct bNode **nodep, int *sockindex);
+struct bNode   *nodeFindRootParent(bNode *node);
+
+bool            nodeIsChildOf(const bNode *parent, const bNode *child);
+
+void nodeChainIter(
+        const bNodeTree *ntree, const bNode *node_start,
+        bool (*callback)(bNode *, bNode *, void *, const bool), void *userdata,
+        const bool reversed);
+void nodeParentsIter(bNode *node, bool (*callback)(bNode *, void *), void *userdata);
 
 struct bNodeLink *nodeFindLink(struct bNodeTree *ntree, struct bNodeSocket *from, struct bNodeSocket *to);
 int             nodeCountSocketLinks(struct bNodeTree *ntree, struct bNodeSocket *sock);