private void LoadBlackboardState()
{
if (File.Exists(Application.persistentDataPath + "/SaveFile"))
{
BlackboardStateSave save;
try
{
BinaryFormatter bf = new BinaryFormatter();
FileStream file = File.Open(Application.persistentDataPath + "/SaveFile", FileMode.Open);
save = (BlackboardStateSave)bf.Deserialize(file);
file.Close();
}
catch (Exception e)
{
Debug.LogError(e);
Debug.LogError("You most likely need to delete the SaveFile file at '" +
Application.persistentDataPath + "', start/stop the game and look at the exception " +
"thrown on playmode exit");
throw;
}
foreach (KeyValuePair <string, BVarSave> entry in save.savedEntries)
{
if (!blackboard.KeyExists(entry.Key))
{
Debug.LogWarning($"Key {entry.Key} does not exist for the current blackboard. Skipping.");
continue;
}
BlackboardVariable finalValue = blackboard.GetValue(entry.Key);
if (entry.Value.GetType() != finalValue.GetSaveType())
{
Debug.LogWarning($"Value {entry.Value.GetType()} does not match the value type of current " +
$"blackboard's {entry.Key} key, which is {finalValue.GetType()}. Skipping.");
continue;
}
if (finalValue.persistenceType == PersistenceType.SavedToFile)
{
finalValue.LoadFrom(entry.Value);
}
}
foreach (KeyValuePair <string, BlackboardVariable> entry in blackboard.AsList())
{
if (entry.Value != null && entry.Value.persistenceType != PersistenceType.SavedToFile)
{
entry.Value.SnapshotState();
}
}
}
else
{
Debug.Log("No saved blackboard data found.");
}
}
public override void OnGUI(Rect position, SerializedProperty property, GUIContent label)
{
EditorGUI.BeginProperty(position, label, property);
EditorGUI.BeginChangeCheck();
position.height = 18f;
SerializedProperty keyProperty = property.FindPropertyRelative("key");
SerializedProperty blackboardProperty = property.FindPropertyRelative("blackboard");
SerializedProperty useConstProperty = property.FindPropertyRelative("useConstant");
MonoBehaviour inspectedComponent = property.serializedObject.targetObject as MonoBehaviour;
// search only in the same game object
if (inspectedComponent != null)
{
// Blackboard blackboard = inspectedComponent.GetComponent<Blackboard>();
Blackboard blackboard = GetBlackboardInParent(inspectedComponent);
if (blackboard != null)
{
// Draw mode toggle if not disabled
if (property.FindPropertyRelative("mode").enumValueIndex == 0)
{
Rect togglePosition = position;
togglePosition.width = 8;
togglePosition.height = 16;
useConstProperty.boolValue = EditorGUI.Toggle(togglePosition, useConstProperty.boolValue, constVarGUIStyle);
position.xMin += 10;
}
// Draw constant or dropdown
if (useConstProperty.boolValue)
{
// Use constant variable
EditorGUI.PropertyField(position, property.FindPropertyRelative("constantValue"), label);
}
else
{
System.Type desiredVariableType = fieldInfo.FieldType.BaseType.GetGenericArguments()[0];
BlackboardVariable[] variables = blackboard.GetAllVariables();
List <string> keys = new List <string>();
keys.Add("None");
for (int i = 0; i < variables.Length; i++)
{
BlackboardVariable bv = variables[i];
if (bv.GetType() == desiredVariableType)
{
keys.Add(bv.key);
}
}
// Setup dropdown
// INFO: "None" can not be used as key
int selected = keys.IndexOf(keyProperty.stringValue);
if (selected < 0)
{
selected = 0;
// If key is not empty it means variable was deleted and missing
if (!System.String.IsNullOrEmpty(keyProperty.stringValue))
{
keys[0] = "Missing";
}
}
int result = EditorGUI.Popup(position, label.text, selected, keys.ToArray());
if (result > 0)
{
keyProperty.stringValue = keys[result];
blackboardProperty.objectReferenceValue = blackboard;
}
else
{
keyProperty.stringValue = "";
blackboardProperty.objectReferenceValue = null;
}
}
}
else
{
EditorGUI.LabelField(position, property.displayName);
int indent = EditorGUI.indentLevel;
EditorGUI.indentLevel = 1;
position.y += EditorGUI.GetPropertyHeight(keyProperty); // + EditorGUIUtility.standardVerticalSpacing;
EditorGUI.PropertyField(position, keyProperty);
position.y += EditorGUI.GetPropertyHeight(blackboardProperty); // + EditorGUIUtility.standardVerticalSpacing;
EditorGUI.PropertyField(position, blackboardProperty);
EditorGUI.indentLevel = indent;
}
}
if (EditorGUI.EndChangeCheck())
{
property.serializedObject.ApplyModifiedProperties();
}
EditorGUI.EndProperty();
}