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Better error text when trying to add/remove/move child nodes in a busy parent, closes #4838 

(cherry picked from commit 37ed2bae69)
This commit is contained in:
Juan Linietsky 2016-06-13 22:46:18 -03:00 committed by Rémi Verschelde
parent d8f9c95dbd
commit fd4d666289
1 changed files with 15 additions and 2 deletions
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15
scene/main/node.cpp
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@ -286,7 +286,11 @@ void Node::move_child(Node *p_child,int p_pos) {
ERR_FAIL_INDEX( p_pos, data.children.size()+1 );
ERR_EXPLAIN("child is not a child of this node.");
ERR_FAIL_COND(p_child->data.parent!=this);
if (data.blocked>0) {
ERR_EXPLAIN("Parent node is busy setting up children, move_child() failed. Consider using call_deferred(\"move_child\") instead (or \"popup\" if this is from a popup).");
ERR_FAIL_COND(data.blocked>0);
}
data.children.remove( p_child->data.pos );
data.children.insert( p_pos, p_child );
@ -739,6 +743,12 @@ void Node::add_child(Node *p_child, bool p_legible_unique_name) {
}
ERR_EXPLAIN("Can't add child, already has a parent");
ERR_FAIL_COND( p_child->data.parent );
if (data.blocked>0) {
ERR_EXPLAIN("Parent node is busy setting up children, add_node() failed. Consider using call_deferred(\"add_child\",child) instead.");
ERR_FAIL_COND(data.blocked>0);
}
ERR_EXPLAIN("Can't add child while a notification is happening");
ERR_FAIL_COND( data.blocked > 0 );
@ -790,7 +800,10 @@ void Node::_propagate_validate_owner() {
void Node::remove_child(Node *p_child) {
ERR_FAIL_NULL(p_child);
ERR_FAIL_COND( data.blocked > 0 );
if (data.blocked>0) {
ERR_EXPLAIN("Parent node is busy setting up children, remove_node() failed. Consider using call_deferred(\"remove_child\",child) instead.");
ERR_FAIL_COND(data.blocked>0);
}
int idx=-1;
for (int i=0;i<data.children.size();i++) {