godotengine
/
godot
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

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

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
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

14
scene/resources/packed_scene.cpp
View File

@ -545,9 +545,19 @@ https://github.com/godotengine/godot/issues/3127
}
#endif
if (exists && bool(Variant::evaluate(Variant::OP_EQUAL,value,original))) {
//exists and did not change
if (exists) {
//check if already exists and did not change
if (value.get_type()==Variant::REAL && original.get_type()==Variant::REAL) {
//this must be done because, as some scenes save as text, there might be a tiny difference in floats due to numerical error
float a = value;
float b = original;
if (Math::abs(a-b)<CMP_EPSILON)
continue;
} else if (bool(Variant::evaluate(Variant::OP_EQUAL,value,original))) {
continue;
}
}
if (!exists && isdefault) {

8
tools/editor/property_editor.cpp
View File

@ -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) {