public void UpdateHotbarSelected(Hotbar inventory)
{
inventory.GetComponentsInChildren <Image>()[previousIndex * 2].color = COLOUR_HOTBAR_DEFAULT;
inventory.GetComponentsInChildren <Image>()[hotbarNum * 2].color = COLOUR_HOTBAR_SELECTED;
previousIndex = hotbarNum;
//Set the held item
parent.SetHeldItem(GetHotbarItem(), false);
}
public void UpdateHotbarImage(int index, bool itemDropped)
{
int hotBarIndex = hotbarIndexes[index];
Hotbar hotbar = Object.FindObjectOfType <Hotbar>();
if (hotBarIndex != -1)
{
Item itemInSlot = inventory[hotBarIndex];
hotbar.GetComponentsInChildren <Image>()[index * 2 + 1].sprite = Resources.Load <Sprite>($"Icons/{itemInSlot.iconName}");
}
else
{
hotbar.GetComponentsInChildren <Image>()[index * 2 + 1].sprite = Resources.Load <Sprite>($"Icons/icon_blank");
}
//If the item was inserted into the slot we are holding, pull it out.
if (index == hotbarNum)
{
parent.SetHeldItem(GetHotbarItem(), itemDropped);
}
}
/// <summary>
/// Converts a mouse position into index of the hotbar.
/// Returns -1 if the mouse isn't over any hotbar buttons.
/// I am going to be lazy with this one and use an inefficient loop rather than maths.
/// O(N) instead of O(1) but literally who cares. (I do otherwise I wouldn't be writting this.)
/// TODO: This method is awful and needs revising but I will probably never end up doing it :^).
/// 17/09/2021: seriously now just use a div function.
/// </summary>
/// <param name="cursorX"></param>
/// <param name="cursorY"></param>
/// <returns></returns>
public static int CursorPositionToHotbarIndex(Hotbar hotbar, float cursorX, float cursorY)
{
//aww why :(
Image[] cachedImages = hotbar.GetComponentsInChildren <Image>();
for (int i = 0; i < InventorySystem.HOTBAR_SIZE; i++)
{
Image hotbarCurrent = cachedImages[i * 2];
RectTransform hotbarRectTransform = hotbarCurrent.transform as RectTransform;
//Even worse
Vector2 bottomLeft = new Vector2(hotbarRectTransform.position.x, hotbarRectTransform.position.y) - new Vector2(50, 50);
Vector2 topRight = new Vector2(hotbarRectTransform.position.x, hotbarRectTransform.position.y) + new Vector2(50, 50);
if (bottomLeft.x > cursorX || cursorX > topRight.x)
{
continue;
}
if (bottomLeft.y > cursorY || cursorY > topRight.y)
{
continue;
}
return(i);
}
return(-1);
}
