Validates VisualScript.add_node input node
(cherry picked from commit 0ca38ffe76
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@ -294,6 +294,7 @@ void VisualScript::_node_ports_changed(int p_id) {
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void VisualScript::add_node(const StringName &p_func, int p_id, const Ref<VisualScriptNode> &p_node, const Point2 &p_pos) {
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void VisualScript::add_node(const StringName &p_func, int p_id, const Ref<VisualScriptNode> &p_node, const Point2 &p_pos) {
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ERR_FAIL_COND(instances.size());
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ERR_FAIL_COND(instances.size());
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ERR_FAIL_COND(!functions.has(p_func));
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ERR_FAIL_COND(!functions.has(p_func));
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ERR_FAIL_COND(p_node.is_null());
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for (Map<StringName, Function>::Element *E = functions.front(); E; E = E->next()) {
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for (Map<StringName, Function>::Element *E = functions.front(); E; E = E->next()) {
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ERR_FAIL_COND(E->get().nodes.has(p_id)); //id can exist only one in script, even for different functions
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ERR_FAIL_COND(E->get().nodes.has(p_id)); //id can exist only one in script, even for different functions
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