/// <summary>
/// 附加子实体。
/// </summary>
/// <param name="childEntityId">要附加的子实体的实体编号。</param>
/// <param name="parentEntityId">被附加的父实体的实体编号。</param>
/// <param name="userData">用户自定义数据。</param>
public void AttachEntity(int childEntityId, int parentEntityId, object userData)
{
EntityInfo childEntityInfo = GetEntityInfo(childEntityId);
if (childEntityInfo == null)
{
throw new System.Exception(string.Format("Can not find child entity '{0}'.", childEntityId.ToString()));
}
if (childEntityInfo.Status >= EntityStatus.WillHide)
{
throw new System.Exception(string.Format("Can not attach entity when child entity status is '{0}'.", childEntityInfo.Status.ToString()));
}
EntityInfo parentEntityInfo = GetEntityInfo(parentEntityId);
if (parentEntityInfo == null)
{
throw new System.Exception(string.Format("Can not find parent entity '{0}'.", parentEntityId.ToString()));
}
if (parentEntityInfo.Status >= EntityStatus.WillHide)
{
throw new System.Exception(string.Format("Can not attach entity when parent entity status is '{0}'.", parentEntityInfo.Status.ToString()));
}
IEntity childEntity = childEntityInfo.Entity;
IEntity parentEntity = parentEntityInfo.Entity;
DetachEntity(childEntity.Id, userData);
childEntityInfo.ParentEntity = parentEntity;
parentEntityInfo.AddChildEntity(childEntity);
parentEntity.OnAttached(childEntity, userData);
childEntity.OnAttachTo(parentEntity, userData);
}
/// <summary>
/// 附加子实体。
/// </summary>
/// <param name="childEntityId">要附加的子实体的实体编号。</param>
/// <param name="parentEntityId">被附加的父实体的实体编号。</param>
/// <param name="userData">用户自定义数据。</param>
public void AttachEntity(int childEntityId, int parentEntityId, object userData)
{
if (childEntityId == parentEntityId)
{
throw new GameFrameworkException(Utility.Text.Format("Can not attach entity when child entity id equals to parent entity id '{0}'.", parentEntityId));
}
EntityInfo childEntityInfo = GetEntityInfo(childEntityId);
if (childEntityInfo == null)
{
throw new GameFrameworkException(Utility.Text.Format("Can not find child entity '{0}'.", childEntityId));
}
if (childEntityInfo.Status >= EntityStatus.WillHide)
{
throw new GameFrameworkException(Utility.Text.Format("Can not attach entity when child entity status is '{0}'.", childEntityInfo.Status));
}
EntityInfo parentEntityInfo = GetEntityInfo(parentEntityId);
if (parentEntityInfo == null)
{
throw new GameFrameworkException(Utility.Text.Format("Can not find parent entity '{0}'.", parentEntityId));
}
if (parentEntityInfo.Status >= EntityStatus.WillHide)
{
throw new GameFrameworkException(Utility.Text.Format("Can not attach entity when parent entity status is '{0}'.", parentEntityInfo.Status));
}
IEntity childEntity = childEntityInfo.Entity;
IEntity parentEntity = parentEntityInfo.Entity;
DetachEntity(childEntity.Id, userData);
childEntityInfo.ParentEntity = parentEntity;
parentEntityInfo.AddChildEntity(childEntity);
parentEntity.OnAttached(childEntity, userData);
childEntity.OnAttachTo(parentEntity, userData);
}
