Create API to add and remove VisualScript custom nodes

This makes a VisualScriptEditor singleton, which gives plugins the
ability to register their own custom nodes. Those will be available for
insertion in the Visual Script editor, under the "Custom Nodes"
category.

1 files changed, 5 insertions, 0 deletions

diff --git a/modules/visual_script/visual_script.cpp b/modules/visual_script/visual_script.cpp
index 765fe4c2f..0834bc81d 100644
--- a/modules/visual_script/visual_script.cpp
+++ b/modules/visual_script/visual_script.cpp
@@ -2644,6 +2644,11 @@ void VisualScriptLanguage::add_register_func(const String &p_name, VisualScriptN
 	register_funcs[p_name] = p_func;
 }
 
+void VisualScriptLanguage::remove_register_func(const String &p_name) {
+	ERR_FAIL_COND(!register_funcs.has(p_name));
+	register_funcs.erase(p_name);
+}
+
 Ref<VisualScriptNode> VisualScriptLanguage::create_node_from_name(const String &p_name) {
 
 	ERR_FAIL_COND_V(!register_funcs.has(p_name), Ref<VisualScriptNode>());