/// <summary>
/// 显示物品。
/// </summary>
/// <param name="itemId">物品编号。</param>
/// <param name="itemAssetName">物品资源名称。</param>
/// <param name="itemGroupName">物品组名称。</param>
/// <param name="priority">加载物品资源的优先级。</param>
/// <param name="userData">用户自定义数据。</param>
public void ShowItem(int itemId, string itemAssetName, string itemGroupName, int priority, object userData)
{
if (m_ResourceManager == null)
{
throw new GameFrameworkException("You must set resource manager first.");
}
if (m_ItemHelper == null)
{
throw new GameFrameworkException("You must set item helper first.");
}
if (string.IsNullOrEmpty(itemAssetName))
{
throw new GameFrameworkException("Item asset name is invalid.");
}
if (string.IsNullOrEmpty(itemGroupName))
{
throw new GameFrameworkException("Item group name is invalid.");
}
if (HasItem(itemId))
{
throw new GameFrameworkException(Utility.Text.Format("Item id '{0}' is already exist.", itemId.ToString()));
}
if (IsLoadingItem(itemId))
{
throw new GameFrameworkException(Utility.Text.Format("Item '{0}' is already being loaded.", itemId.ToString()));
}
ItemGroup itemGroup = (ItemGroup)GetItemGroup(itemGroupName);
if (itemGroup == null)
{
throw new GameFrameworkException(Utility.Text.Format("Item group '{0}' is not exist.", itemGroupName));
}
ItemInstanceObject itemInstanceObject = itemGroup.SpawnItemInstanceObject(itemAssetName);
if (itemInstanceObject == null)
{
int serialId = ++m_Serial;
m_ItemsBeingLoaded.Add(itemId, serialId);
m_ResourceManager.LoadAsset(itemAssetName, priority, m_LoadAssetCallbacks, ShowItemInfo.Create(serialId, itemId, itemGroup, userData));
return;
}
InternalShowItem(itemId, itemAssetName, itemGroup, itemInstanceObject.Target, false, 0f, userData);
}
