public static void FetchBehaviourNodes()
{
behaviourNodes = new Dictionary <Type, NodeTypeProperties>();
IEnumerable <Type> behaviourTypes = AppDomain.CurrentDomain.GetAssemblies()
.Where(asm => !asm.FullName.StartsWith("Unity") && !asm.FullName.Contains("Editor"))
.Where(asm => !asm.FullName.StartsWith("BonsaiTestsAssembly")) // Ignore nodes from test suite.
.SelectMany(asm => asm.GetTypes())
.Where(t => t.IsSubclassOf(typeof(BTNode)) && !t.IsAbstract);
foreach (Type type in behaviourTypes)
{
var nodeMeta = type.GetCustomAttribute <BTNodeAttribute>(false);
// Default menu path if unspecified.
string menuPath = "User/";
// Service base class is abstract. For Service types, default to Service texture.
string texName = typeof(BTService).IsAssignableFrom(type) ? "Service" : "Play";
if (nodeMeta != null)
{
if (!string.IsNullOrEmpty(nodeMeta.menuPath))
{
menuPath = nodeMeta.menuPath;
}
// Texxture names are optional. Use only if specified.
if (!string.IsNullOrEmpty(nodeMeta.texturePath))
{
texName = nodeMeta.texturePath;
}
}
// Only composites and decorators have outputs.
bool hasOutput = !type.IsSubclassOf(typeof(Task));
menuPath += type.Name;
var prop = new NodeTypeProperties(menuPath, texName, hasOutput);
behaviourNodes.Add(type, prop);
}
}
public static void FetchBehaviourNodes()
{
_behaviourNodes = new Dictionary <Type, NodeTypeProperties>();
IEnumerable <Assembly> scriptAssemblies = AppDomain.CurrentDomain.GetAssemblies().
Where((Assembly assembly) => assembly.FullName.Contains("Assembly") &&
!assembly.FullName.Contains("Editor"));
Type targetType = typeof(BehaviourNode);
foreach (Assembly assembly in scriptAssemblies)
{
foreach (Type type in assembly.GetTypes()
.Where(T => T.IsClass &&
!T.IsAbstract &&
T.IsSubclassOf(targetType)))
{
object[] nodeProperties = type.GetCustomAttributes(typeof(NodeEditorPropertiesAttribute), false);
// The attribute is to simply get custom data about the node.
// Like menu path and texture.
NodeEditorPropertiesAttribute attrib = null;
if (nodeProperties.Length > 0)
{
attrib = nodeProperties[0] as NodeEditorPropertiesAttribute;
}
string menuPath = "Uncategorized/";
string texName = "Play";
if (attrib != null)
{
menuPath = attrib.menuPath;
texName = attrib.textureName;
}
bool bCreateInput = false;
bool bCreateOutput = false;
bool bCanHaveMultipleChildren = false;
// Only action nodes have an input and no output.
if (type.IsSubclassOf(typeof(Task)))
{
bCreateInput = true;
}
// Composites and decorators have in and out.
else
{
bCreateInput = true;
bCreateOutput = true;
// Only composites can have more than 1 child.
if (type.IsSubclassOf(typeof(Composite)))
{
bCanHaveMultipleChildren = true;
}
}
menuPath += type.Name;
var prop = new NodeTypeProperties(menuPath, texName, bCreateInput, bCreateOutput, bCanHaveMultipleChildren);
_behaviourNodes.Add(type, prop);
}
}
}
