private GridItemFX CreateGridItemMatchedFX(GridItemView gridItem, int points, float seconds)
{
var fx = PrefabPool.Get <GridItemFX>(_playfieldFxItems);
fx.Configure(gridItem.Index.x, gridItem.Index.y, gridItem.ID, gridItem.transform.localPosition, _tileSize);
fx.Show(points, seconds);
return(fx);
}
private bool CanSelectGridItem(GridItemView gridItem)
{
if (gridItem == null || gridItem.IsEmpty)
{
return(false); // invalid
}
if (_selectedGridItems.Count == 0)
{
return(true); // first selection
}
var itemConfig = GameConfig.GetGridItem(gridItem.ID);
if (itemConfig.MatchType == GridItemMatchType.None)
{
return(false);
}
var previousItemConfig = _selectedGridItems[_selectedGridItems.Count - 1].GridItemConfig;
if (itemConfig.MatchType == GridItemMatchType.Category || previousItemConfig.MatchType == GridItemMatchType.Category)
{
if (itemConfig.Category != previousItemConfig.Category)
{
return(false);
}
}
else if (itemConfig.MatchType == GridItemMatchType.Exact)
{
if (itemConfig.ID != previousItemConfig.ID)
{
return(false);
}
}
if (_selectedGridItems.Contains(gridItem))
{
return(false); // already selected
}
var matchRules = GameConfig.GetMatchRules(_levelConfig.matchRules);
if (matchRules.MaxSelection > matchRules.MinSelection && _selectedGridItems.Count > matchRules.MaxSelection)
{
return(false);
}
if (GridIndex.IsNeighbor(gridItem.Index, _selectedGridItems[_selectedGridItems.Count - 1].Index))
{
return(true); // must neighbor the last selected item
}
return(false);
}
private bool CanDeselectGridItems(GridItemView gridItem)
{
if (gridItem == null)
{
return(false); // invalid
}
if (_selectedGridItems.Count < 2)
{
return(false); // not enough items selected
}
if (!_selectedGridItems.Contains(gridItem))
{
return(false); // not selected
}
if (gridItem == _selectedGridItems[_selectedGridItems.Count - 2])
{
return(true); // take one step back
}
if (!GridIndex.IsNeighbor(gridItem.Index, _selectedGridItems[_selectedGridItems.Count - 1].Index))
{
return(true); // must NOT neighbor the last selected item to trace back further (else it's annoying)
}
return(false);
}
private void DestroyGridItemView(GridItemView gridItem)
{
gridItem.Invalidate();
_gridItemInstances.Remove(gridItem);
PrefabPool.Return(gridItem);
}