void GenerateShopItemsUI()
{
//Loop throw save purchased items and make them as purchased in the Database array
for (int i = 0; i < GameDataManager.GetAllPurchasedCharacter().Count; i++)
{
int purchasedCharacterIndex = GameDataManager.GetPurchasedCharacter(i);
characterDB.PurchaseCharacter(purchasedCharacterIndex);
}
//Delete itemTemplate after calculating item's Height :
itemHeight = ShopItemsContainer.GetChild(0).GetComponent <RectTransform> ().sizeDelta.y;
Destroy(ShopItemsContainer.GetChild(0).gameObject);
//DetachChildren () will make sure to delete it from the hierarchy, otherwise if you
//write ShopItemsContainer.ChildCount you w'll get "1"
ShopItemsContainer.DetachChildren();
//Generate Items
for (int i = 0; i < characterDB.CharactersCount; i++)
{
//Create a Character and its corresponding UI element (uiItem)
Character character = characterDB.GetCharacter(i);
CharacterItemUI uiItem = Instantiate(itemPrefab, ShopItemsContainer).GetComponent <CharacterItemUI> ();
//Move item to its position
uiItem.SetItemPosition(Vector2.down * i * (itemHeight + itemSpacing));
//Set Item name in Hierarchy (Not required)
uiItem.gameObject.name = "Item" + i + "-" + character.name;
//Add information to the UI (one item)
uiItem.SetCharacterName(character.name);
uiItem.SetCharacterImage(character.image);
uiItem.SetCharacterSpeed(character.speed);
uiItem.SetCharacterPower(character.power);
uiItem.SetCharacterPrice(character.price);
if (character.isPurchased)
{
//Character is Purchased
uiItem.SetCharacterAsPurchased();
uiItem.OnItemSelect(i, OnItemSelected);
}
else
{
//Character is not Purchased yet
uiItem.OnItemPurchase(i, OnItemPurchased);
}
//Resize Items Container
ShopItemsContainer.GetComponent <RectTransform> ().sizeDelta =
Vector2.up * ((itemHeight + itemSpacing) * characterDB.CharactersCount + itemSpacing);
//you can use VerticalLayoutGroup with ContentSizeFitter to skip all of this :
//(moving items & resizing the container)
}
}