/// <summary>
/// Selects a given item in the inventory
/// </summary>
/// <param name="item">Item to select</param>
/// <param name="blocked">Should the selection be rendered as blocked</param>
/// <param name="color">The color of the selection</param>
public void SelectItem(IInventoryItem item, bool blocked, Color color)
{
if (item == null)
{
return;
}
ClearSelection();
switch (_renderMode)
{
case InventoryRenderMode.Single:
_grids[0].sprite = blocked ? _cellSpriteBlocked : _cellSpriteSelected;
_grids[0].color = color;
break;
default:
for (var x = 0; x < item.width; x++)
{
for (var y = 0; y < item.height; y++)
{
if (item.IsPartOfShape(new Vector2Int(x, y)))
{
var p = item.position + new Vector2Int(x, y);
if (p.x >= 0 && p.x < inventory.width && p.y >= 0 && p.y < inventory.height)
{
var index = p.y * inventory.width + ((inventory.width - 1) - p.x);
_grids[index].sprite = blocked ? _cellSpriteBlocked : _cellSpriteSelected;
_grids[index].color = color;
}
}
}
}
break;
}
}
/// <summary>
/// Returns true of this item overlaps a given item
/// </summary>
internal static bool Overlaps(this IInventoryItem item, IInventoryItem otherItem)
{
for (var iX = 0; iX < item.width; iX++)
{
for (var iY = 0; iY < item.height; iY++)
{
if (item.IsPartOfShape(new Vector2Int(iX, iY)))
{
var iPoint = item.position + new Vector2Int(iX, iY);
for (var oX = 0; oX < otherItem.width; oX++)
{
for (var oY = 0; oY < otherItem.height; oY++)
{
if (otherItem.IsPartOfShape(new Vector2Int(oX, oY)))
{
var oPoint = otherItem.position + new Vector2Int(oX, oY);
if (oPoint == iPoint)
{
return(true);
} // Hit! Items overlap
}
}
}
}
}
}
return(false); // Items does not overlap
}