// Add a monobehaviour to an existing game object, using Type rather than a generic
// Note: gameobject here is not a prefab prototype, it is an instance
public Component AddMonobehaviour(
Type behaviourType, GameObject gameObject, params object[] args)
{
Assert.That(behaviourType.DerivesFrom <Component>());
var monoBehaviour = (Component)gameObject.AddComponent(behaviourType);
InjectionHelper.InjectMonoBehaviour(_container, monoBehaviour, args);
return(monoBehaviour);
}
public void Awake()
{
Log.Debug("Zenject Started");
_container = CreateContainer(
false, GlobalCompositionRoot.Instance.Container, _staticInstallers);
_staticInstallers.Clear();
InjectionHelper.InjectChildGameObjects(_container, gameObject, !OnlyInjectWhenActive);
_dependencyRoot = _container.Resolve <IDependencyRoot>();
}
// Create from prefab
// Return specific monobehaviour
public object Instantiate(
Type componentType, GameObject template, params object[] args)
{
Assert.That(template != null, "Null template found when instantiating game object");
// It could be an interface so this may fail in valid cases:
Assert.That(componentType.DerivesFrom <Component>());
var gameObj = (GameObject)GameObject.Instantiate(template);
// By default parent to comp root
// This is good so that the entire object graph is
// contained underneath it, which is useful for cases
// where you need to delete the entire object graph
gameObj.transform.SetParent(_rootTransform, false);
gameObj.SetActive(true);
Component requestedScript = null;
// Inject on the children first since the parent objects are more likely to use them in their post inject methods
foreach (var component in UnityUtil.GetComponentsInChildrenDepthFirst <Component>(gameObj, false))
{
if (component != null)
{
var extraArgs = Enumerable.Empty <object>();
if (component.GetType().DerivesFromOrEqual(componentType))
{
Assert.IsNull(requestedScript,
"Found multiple matches with type '{0}' when instantiating new game object from template '{1}'", componentType, template.name);
requestedScript = component;
extraArgs = args;
}
InjectionHelper.InjectMonoBehaviour(_container, component, extraArgs);
}
else
{
Log.Warn("Found null component while instantiating prefab '{0}'. Possible missing script.", template.name);
}
}
if (requestedScript == null)
{
throw new ZenjectResolveException(
"Could not find component with type '{0}' when instantiating new game object".Fmt(componentType));
}
return(requestedScript);
}
public object Instantiate(Type type, string name)
{
var gameObj = new GameObject(name);
gameObj.transform.parent = _rootTransform;
var component = gameObj.AddComponent(type);
if (type.DerivesFrom(typeof(Component)))
{
InjectionHelper.InjectMonoBehaviour(_container, (Component)component);
}
return(component);
}
// Create a new game object from a given prefab
// Without returning any particular monobehaviour
public GameObject Instantiate(GameObject template, params object[] args)
{
var gameObj = (GameObject)GameObject.Instantiate(template);
// By default parent to comp root
// This is good so that the entire object graph is
// contained underneath it, which is useful for cases
// where you need to delete the entire object graph
gameObj.transform.SetParent(_rootTransform, false);
gameObj.SetActive(true);
InjectionHelper.InjectChildGameObjects(_container, gameObj, false, args);
return(gameObj);
}
public override object GetInstance(Type contractType, InjectContext context)
{
Assert.That(_componentType.DerivesFromOrEqual(contractType));
if (_instance == null)
{
Assert.That(!_container.AllowNullBindings,
"Tried to instantiate a MonoBehaviour with type '{0}' during validation. Object graph: {1}", _componentType, DiContainer.GetCurrentObjectGraph());
_instance = _gameObject.AddComponent(_componentType);
Assert.That(_instance != null);
InjectionHelper.InjectMonoBehaviour(_container, _instance);
}
return(_instance);
}
// This method can be used to load the given scene and perform injection on its contents
// Note that the scene we're loading can have [Inject] flags however it should not have
// its own composition root
public static IEnumerator LoadSceneAdditiveWithContainer(
string levelName, DiContainer parentContainer)
{
var rootObjectsBeforeLoad = GameObject.FindObjectsOfType <Transform>().Where(x => x.parent == null).ToList();
Application.LoadLevelAdditive(levelName);
// Wait one frame for objects to be added to the scene heirarchy
yield return(null);
var rootObjectsAfterLoad = GameObject.FindObjectsOfType <Transform>().Where(x => x.parent == null).ToList();
foreach (var newObject in rootObjectsAfterLoad.Except(rootObjectsBeforeLoad).Select(x => x.gameObject))
{
Assert.That(newObject.GetComponent <CompositionRoot>() == null,
"LoadSceneAdditiveWithContainer does not expect a container to exist in the loaded scene");
InjectionHelper.InjectChildGameObjects(parentContainer, newObject);
}
}
