private void OnInspectorGUIObjectField()
{
GUI.enabled = false;
EditorGUILayout.ObjectField("Script", MonoScript.FromMonoBehaviour((GUIDEntity)target), typeof(GUIDEntity), false);
GUI.enabled = true;
EditorGUILayout.Space();
GUI.enabled = false;
EditorGUILayout.TextField(new GUIContent("GUID"), _entityTarget.GetGuid().ToString());
GUI.enabled = true;
}
public override void OnGUI(Rect position, SerializedProperty property, GUIContent label)
{
guidProp = property.FindPropertyRelative("serializedGuid");
nameProp = property.FindPropertyRelative("cachedName");
sceneProp = property.FindPropertyRelative("cachedScene");
// Using BeginProperty / EndProperty on the parent property means that
// prefab override logic works on the entire property.
EditorGUI.BeginProperty(position, label, property);
position.height = EditorGUIUtility.singleLineHeight;
// Draw prefix label, returning the new rect we can draw in
var guidCompPosition = EditorGUI.PrefixLabel(position, GUIUtility.GetControlID(FocusType.Passive), label);
System.Guid currentGuid;
GameObject currentGO = null;
// working with array properties is a bit unwieldy
// you have to get the property at each index manually
byte[] byteArray = new byte[16];
int arraySize = guidProp.arraySize;
for (int i = 0; i < arraySize; ++i)
{
var byteProp = guidProp.GetArrayElementAtIndex(i);
byteArray[i] = (byte)byteProp.intValue;
}
currentGuid = new System.Guid(byteArray);
currentGO = GUIDManager.ResolveGuid(currentGuid);
GUIDEntity currentGuidComponent = currentGO != null?currentGO.GetComponent <GUIDEntity>() : null;
GUIDEntity component = null;
if (currentGuid != System.Guid.Empty && currentGuidComponent == null)
{
// if our reference is set, but the target isn't loaded, we display the target and the scene it is in, and provide a way to clear the reference
float buttonWidth = 55.0f;
guidCompPosition.xMax -= buttonWidth;
bool guiEnabled = GUI.enabled;
GUI.enabled = false;
EditorGUI.LabelField(guidCompPosition, new GUIContent(nameProp.stringValue, "Target GameObject is not currently loaded."), EditorStyles.objectField);
GUI.enabled = guiEnabled;
Rect clearButtonRect = new Rect(guidCompPosition);
clearButtonRect.xMin = guidCompPosition.xMax;
clearButtonRect.xMax += buttonWidth;
if (GUI.Button(clearButtonRect, clearButtonGUI, EditorStyles.miniButton))
{
ClearPreviousGuid();
}
}
else
{
// if our object is loaded, we can simply use an object field directly
component = EditorGUI.ObjectField(guidCompPosition, currentGuidComponent, typeof(GUIDEntity), true) as GUIDEntity;
}
if (currentGuidComponent != null && component == null)
{
ClearPreviousGuid();
}
// if we have a valid reference, draw the scene name of the scene it lives in so users can find it
if (component != null)
{
nameProp.stringValue = component.name;
string scenePath = component.gameObject.scene.path;
sceneProp.objectReferenceValue = AssetDatabase.LoadAssetAtPath <SceneAsset>(scenePath);
// only update the GUID Prop if something changed. This fixes multi-edit on GUID References
if (component != currentGuidComponent)
{
byteArray = component.GetGuid().ToByteArray();
arraySize = guidProp.arraySize;
for (int i = 0; i < arraySize; ++i)
{
var byteProp = guidProp.GetArrayElementAtIndex(i);
byteProp.intValue = byteArray[i];
}
}
}
EditorGUI.indentLevel++;
position.y += EditorGUIUtility.singleLineHeight;
bool cachedGUIState = GUI.enabled;
GUI.enabled = false;
EditorGUI.ObjectField(position, sceneLabel, sceneProp.objectReferenceValue, typeof(SceneAsset), false);
GUI.enabled = cachedGUIState;
EditorGUI.indentLevel--;
EditorGUI.EndProperty();
}