private GUIContent[] GetFromComponent(SerializedProperty property, AnimParamsAttribute animParams, out int selectedIndex)
{
selectedIndex = -1;
SerializedProperty animProp = property.serializedObject.FindProperty(animParams.animPath);
if (animProp == null)
return null;
Animator targetAnim = animProp.objectReferenceValue as Animator;
if (targetAnim == null)
return null;
string propVal = property.stringValue;
return BuildParamList(targetAnim.parameters, propVal, out selectedIndex);
}
public override void OnGUI(Rect position, SerializedProperty property, GUIContent label)
{
// Reject drawing this custom attribute if property wasn't a string type
if (property.propertyType != SerializedPropertyType.String)
{
base.OnGUI(position, property, label);
return;
}
AnimParamsAttribute animParams = (AnimParamsAttribute)attribute;
SerializedProperty animProp = property.serializedObject.FindProperty(animParams.animatorProp);
if (animProp == null)
{
base.OnGUI(position, property, label);
return;
}
Animator targetAnim = animProp.objectReferenceValue as Animator;
if (targetAnim == null)
{
base.OnGUI(position, property, label);
return;
}
string propVal = property.stringValue;
int selectedIndex;
GUIContent[] popup = BuildParamList(targetAnim, propVal, out selectedIndex);
selectedIndex = EditorGUI.Popup(position, label, selectedIndex, popup);
if (selectedIndex < popup.Length && selectedIndex > -1)
{
propVal = popup[selectedIndex].text;
}
else
{
propVal = "";
}
if (propVal.Equals(property.stringValue) == false)
{
property.stringValue = propVal;
EditorUtility.SetDirty(property.serializedObject.targetObject);
}
}
private GUIContent[] GetFromInstanceId(SerializedProperty property,
AnimParamsAttribute animParams,
out int selectedIndex)
{
selectedIndex = -1;
SerializedProperty animParamCfgProp = property.serializedObject.FindProperty(animParams.animPath);
if (animParamCfgProp == null)
return null;
SerializedProperty refPath = animParamCfgProp.FindPropertyRelative("instanceId");
if (refPath == null)
return null;
AnimatorControllerParameter[] paramList = null;
int targetId;
// Try to get the instance id out of the path property
if (int.TryParse(refPath.stringValue, out targetId))
{
AnimatorController targetController = EditorUtility.InstanceIDToObject(targetId) as AnimatorController;
if (targetController != null)
paramList = targetController.parameters;
}
// If we got a parameter list, return the built list
if (paramList != null)
return BuildParamList(paramList, property.stringValue, out selectedIndex);
// No list, just return null
return null;
}
