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Add preserving existing value of the Visual Script parameter when changing its type

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Wojtek Figat
2022-05-01 21:34:21 +02:00
parent 26d4ebd3d5
commit 2935b85543
1 changed files with 16 additions and 0 deletions
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16
Source/Editor/Windows/Assets/VisualScriptWindow.cs
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@@ -1239,6 +1239,22 @@ namespace FlaxEditor.Windows.Assets
AfterType = type,
AfterValue = TypeUtils.GetDefaultValue(type),
};
if (action.BeforeValue != null)
{
// Try to maintain existing value
var beforeType = TypeUtils.GetObjectType(action.BeforeValue);
if (type.IsArray && beforeType.IsArray && type.GetElementType().IsAssignableFrom(beforeType.GetElementType()))
{
var beforeArray = (Array)action.BeforeValue;
var afterArray = TypeUtils.CreateArrayInstance(type.GetElementType(), beforeArray.Length);
Array.Copy(beforeArray, afterArray, beforeArray.Length);
action.AfterValue = afterArray;
}
else if (type.IsAssignableFrom(beforeType))
{
action.AfterValue = action.BeforeValue;
}
}
_undo.AddAction(action);
action.Do();
}