//Helper to ensure that BBVariables are not null.
void InitBBFields()
{
BBVariable.InitBBFields(this);
}
//Set the target blackboard for all BBVariables found on node. Done when creating node, OnValidate as well as when graphBlackboard set to a new value.
public void UpdateNodeBBFields(Blackboard bb)
{
BBVariable.SetBBFields(bb, this);
}
//Set the target blackboard for all BBVariables found in class. This is done every time the blackboard of the Task is set to a new value
void UpdateBBFields(Blackboard bb)
{
BBVariable.SetBBFields(bb, this);
taskAgent.bb = bb;
}
//a special object field for the BBVariable class to let user choose either a real value or enter a string to read data from a Blackboard
public static BBVariable BBVariableField(string prefix, BBVariable bbVar, MemberInfo member = null)
{
if (bbVar == null)
{
EditorGUILayout.LabelField(prefix, "NULL");
return(null);
}
GUILayout.BeginVertical();
GUILayout.BeginHorizontal();
if (!bbVar.blackboardOnly && !bbVar.useBlackboard)
{
var field = bbVar.GetType().GetField("_value", BindingFlags.Instance | BindingFlags.NonPublic);
field.SetValue(bbVar, GenericField(prefix, field.GetValue(bbVar), bbVar.varType, member));
}
else
{
GUI.color = new Color(0.9f, 0.9f, 1f, 1f);
if (bbVar.bb)
{
List <string> dataNames = bbVar.bb.GetDataNames(bbVar.varType).ToList();
dataNames.Add("/ ");
foreach (KeyValuePair <string, Blackboard> pair in Blackboard.allBlackboards)
{
if (pair.Value == bbVar.bb || !pair.Value.isGlobal)
{
continue;
}
dataNames.Add(pair.Key + "/");
foreach (string dName in pair.Value.GetDataNames(bbVar.varType))
{
dataNames.Add(pair.Key + "/" + dName);
}
}
dataNames.Add("(DynamicVar)");
if (dataNames.Contains(bbVar.dataName) || string.IsNullOrEmpty(bbVar.dataName))
{
if (bbVar.isDynamic)
{
GUIUtility.keyboardControl = 0;
bbVar.isDynamic = false;
}
bbVar.dataName = StringPopup(prefix, bbVar.dataName, dataNames, false, true);
if (bbVar.dataName == "(DynamicVar)")
{
bbVar.isDynamic = true;
bbVar.dataName = "_";
}
}
else
{
bbVar.dataName = EditorGUILayout.TextField(prefix + " (" + TypeName(bbVar.varType) + ")", bbVar.dataName);
}
}
else
{
bbVar.dataName = EditorGUILayout.TextField(prefix + " (" + TypeName(bbVar.varType) + ")", bbVar.dataName);
}
}
GUI.color = Color.white;
GUI.backgroundColor = Color.white;
if (!bbVar.blackboardOnly)
{
bbVar.useBlackboard = EditorGUILayout.Toggle(bbVar.useBlackboard, EditorStyles.radioButton, GUILayout.Width(18));
}
GUILayout.EndHorizontal();
if (bbVar.bb && bbVar.useBlackboard && string.IsNullOrEmpty(bbVar.dataName))
{
GUI.backgroundColor = new Color(0.8f, 0.8f, 1f, 0.5f);
GUI.color = new Color(1f, 1f, 1f, 0.5f);
GUILayout.BeginHorizontal("textfield");
if (string.IsNullOrEmpty(bbVar.dataName))
{
GUILayout.Label("Select a '" + TypeName(bbVar.varType) + "' Blackboard Variable");
}
else
{
GUILayout.Label("Variable name does not exist in blackboard");
}
GUILayout.EndHorizontal();
GUILayout.Space(2);
}
GUILayout.EndVertical();
//RequiresCoponent attribute should be checked here unfortunately
if (member != null && bbVar.GetType() == typeof(BBGameObject))
{
var rc = member.GetCustomAttributes(typeof(RequiresComponentAttribute), true).FirstOrDefault() as RequiresComponentAttribute;
if (rc != null && typeof(Component).IsAssignableFrom(rc.type) && !bbVar.isNull)
{
if ((bbVar as BBGameObject).value.GetComponent(rc.type) == null)
{
GUI.backgroundColor = new Color(1f, 0.8f, 0.8f, 0.5f);
GUI.color = new Color(1f, 1f, 1f, 0.5f);
GUILayout.BeginHorizontal("textfield");
GUILayout.Label("GameObject requires '" + TypeName(rc.type) + "' Component");
GUILayout.EndHorizontal();
GUILayout.Space(2);
}
}
}
GUI.backgroundColor = Color.white;
GUI.color = Color.white;
return(bbVar);
}
