public static ValueT HandleDefaultAndUserValue <ValueT>(string name, DefaultAndUserValue <ValueT> valInField, GUISkin skin) where ValueT : struct
{
bool guiWasEnabled = UnityEngine.GUI.enabled;
ValueT newValue = default(ValueT);
MethodInfo floatMethod = typeof(EditorGUILayout).GetMethod("FloatField", new[] { typeof(string), typeof(float), typeof(GUILayoutOption[]) });
MethodInfo vector3Method = typeof(EditorGUILayout).GetMethod("Vector3Field", new[] { typeof(string), typeof(Vector3), typeof(GUILayoutOption[]) });
MethodInfo method = typeof(ValueT) == typeof(float) ?
floatMethod :
typeof(ValueT) == typeof(Vector3) ?
vector3Method :
null;
if (method == null)
{
throw new NullReferenceException("Unknown DefaultAndUserValue type: " + typeof(ValueT).Name);
}
bool useDefaultToggled = false;
bool updateDefaultValue = false;
GUILayout.BeginHorizontal();
{
// Note that we're checking if the value has changed!
useDefaultToggled = Toggle(MakeLabel(name.SplitCamelCase(), false, "If checked - value will be default. Uncheck to manually enter value."),
valInField.UseDefault,
skin.button,
Align(skin.label, TextAnchor.MiddleLeft),
new GUILayoutOption[] { GUILayout.Width(22) },
new GUILayoutOption[] { GUILayout.MaxWidth(120) }) != valInField.UseDefault;
UnityEngine.GUI.enabled = !valInField.UseDefault;
GUILayout.FlexibleSpace();
newValue = (ValueT)method.Invoke(null, new object[] { "", valInField.Value, new GUILayoutOption[] { } });
UnityEngine.GUI.enabled = valInField.UseDefault;
updateDefaultValue = GUILayout.Button(MakeLabel("Update", false, "Update default value"), skin.button, GUILayout.Width(52));
UnityEngine.GUI.enabled = guiWasEnabled;
}
GUILayout.EndHorizontal();
if (useDefaultToggled)
{
valInField.UseDefault = !valInField.UseDefault;
updateDefaultValue = valInField.UseDefault;
// We don't want the default value to be written to
// the user specified.
if (!valInField.UseDefault)
{
newValue = valInField.UserValue;
}
}
if (updateDefaultValue)
{
valInField.OnForcedUpdate();
}
return(newValue);
}
private void PropagateChangesT <ValueT>(DefaultAndUserValue <ValueT> destination)
where ValueT : struct
{
if (DefaultToggleChanged)
{
destination.UseDefault = UseDefault;
}
if (UpdateDefaultClicked)
{
destination.OnForcedUpdate();
}
}