/// <summary>
/// Tries to retrieve entity definition of the entity owning this container, check if the definition has some DefaultComponents,
/// tries to retrieve these components definitions, create these components instances and add them
///
/// TODO: This should be ideally a behavior of the MyEntityComponentContainer when it is initialized (deserialized).. or by the factory, for now, this is an extension method
/// </summary>
public static void InitComponents(this MyComponentContainer container, MyObjectBuilderType type, MyStringHash subtypeName, MyObjectBuilder_ComponentContainer builder)
{
if (MyDefinitionManager.Static != null)
{
MyContainerDefinition definition = null;
bool IsFirstInit = builder == null;
if (TryGetContainerDefinition(type, subtypeName, out definition))
{
container.Init(definition);
if (definition.DefaultComponents != null)
{
foreach (var component in definition.DefaultComponents)
{
MyComponentDefinitionBase componentDefinition = null;
MyObjectBuilder_ComponentBase componentBuilder = FindComponentBuilder(component, builder);
bool IsComponentSerialized = componentBuilder != null;
Type componentType = null;
MyComponentBase componentInstance = null;
var componentSubtype = subtypeName;
if (component.SubtypeId.HasValue)
{
componentSubtype = component.SubtypeId.Value;
}
// Create component instance
if (TryGetComponentDefinition(component.BuilderType, componentSubtype, out componentDefinition))
{
componentInstance = MyComponentFactory.CreateInstanceByTypeId(componentDefinition.Id.TypeId);
componentInstance.Init(componentDefinition);
}
else if (component.IsValid())
{
if (!component.BuilderType.IsNull)
{
componentInstance = MyComponentFactory.CreateInstanceByTypeId(component.BuilderType);
}
else
{
componentInstance = MyComponentFactory.CreateInstanceByType(component.InstanceType);
}
}
// Check component type from attributes.
if (componentInstance != null)
{
var componentTypeFromAttr = MyComponentTypeFactory.GetComponentType(componentInstance.GetType());
if (componentTypeFromAttr != null)
{
componentType = componentTypeFromAttr;
}
else
{
if (componentDefinition != null)
System.Diagnostics.Debug.Fail("Unknown component type - component type attribute not specified for component class: " + componentInstance.GetType());
}
}
//TODO: this should be avoided! Component type MUST be set via MyComponentType attribute.
if (componentType == null && componentInstance != null)
{
componentType = componentInstance.GetType();
}
// If everything passed, go on..
if (componentInstance != null && componentType != null)
{
bool componentShouldBeAdded = IsFirstInit || IsComponentSerialized || component.ForceCreate;
if (componentShouldBeAdded)
{
if (componentBuilder != null)
{
componentInstance.Deserialize(componentBuilder);
}
// Add only fully initialized component..
container.Add(componentType, componentInstance);
}
}
else
{
System.Diagnostics.Debug.Fail("Component instance wasn't created or it's base type couldn't been determined!");
}
}
}
else
{
System.Diagnostics.Debug.Fail("Got definition for container, but DefaultComponents is null!");
}
}
// This may rewrite already once deserialized data, but will also add missing components in definition
container.Deserialize(builder);
}
else
{
System.Diagnostics.Debug.Fail("Trying to init enabled components on entity, but definition manager is null");
}
}
public static MyObjectBuilder_ComponentBase FindComponentBuilder(MyContainerDefinition.DefaultComponent component, MyObjectBuilder_ComponentContainer builder)
{
MyObjectBuilder_ComponentBase componentBuilder = null;
if (builder != null && component.IsValid())
{
MyObjectBuilderType componentObType = null;
if (!component.BuilderType.IsNull)
{
var componentData = builder.Components.Find(x => x.Component.TypeId == component.BuilderType);
if (componentData != null)
{
componentBuilder = componentData.Component;
}
}
}
return componentBuilder;
}
