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resolve numerical error when comparing instancing an inheritance to avoid saving changed properties when they didn't, closes 4759

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This commit is contained in:
Juan Linietsky 2016-06-12 19:33:07 -03:00
parent be223c91f9
commit f0abda999e
2 changed files with 21 additions and 3 deletions
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8
tools/editor/property_editor.cpp
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@ -1963,6 +1963,13 @@ bool PropertyEditor::_is_property_different(const Variant& p_current, const Vari
return false;
}
if (p_current.get_type()==Variant::REAL && p_orig.get_type()==Variant::REAL) {
float a = p_current;
float b = p_orig;
return Math::abs(a-b)>CMP_EPSILON; //this must be done because, as some scenes save as text, there might be a tiny difference in floats due to numerical error
}
return bool(Variant::evaluate(Variant::OP_NOT_EQUAL,p_current,p_orig));
}
@ -2232,6 +2239,7 @@ void PropertyEditor::_check_reload_status(const String&p_name, TreeItem* item) {
if (_get_instanced_node_original_property(p_name,vorig) || usage) {
Variant v = obj->get(p_name);
bool changed = _is_property_different(v,vorig,usage);
//if ((found!=-1 && !is_disabled)!=changed) {