// ----------------------------------------------------------------------------
private PrePlacementInstance PlaceItemAt(ItemAsset item, Vector3 worldPosition)
{
var prefab = item.Item.Prefab;
var placeholder = GameObject.Instantiate <PlaceableItem>(item.Item.PlaceholderPrefab, _preplacementContainer);
placeholder.transform.SnapToGrid(worldPosition, GridSize);
placeholder.transform.rotation = Quaternion.Euler(0, 0, item.Item.Angle);
var preObject = placeholder.GetComponent <PreplacementObject>();
if (preObject)
{
preObject.SetLocked(false);
}
var ppi = new PrePlacementInstance()
{
Item = item,
Position = worldPosition.SnapToGrid(GridSize),
Angle = item.Item.Angle,
Placeholder = placeholder,
};
GameFlow.GF.Cues.UiPlaceItem.PlayUiSource();
_preplacements.Add(ppi);
_preplacementTable.Add(ppi.Placeholder.GetInstanceID(), ppi);
_currentButton.SetCount(_currentButton.Count - 1);
return(ppi);
}
private void GoToSelectedItemState(PrePlacementInstance selection)
{
SetHoveredItem(null);
_selection = selection;
if (_selection == null)
{
GoToNothingSelectedState();
return;
}
_cachedArgs.Enabled = false;
GameEvents.TriggerPreviewUpdated(_cachedArgs);
GameFlow.GF.Cues.UiSelectItem.PlayUiSource();
_mouseDrag.Reset();
_currentState = SelectedItemState;
if (SelectionSprite)
{
SelectionSprite.transform.SnapToGrid(selection.Position, GridSize);
}
}
void GoToNothingSelectedState()
{
_selection = null;
_itemToPlace = null;
_currentButton = null;
_currentState = NothingSelectedState;
_cachedArgs.Enabled = false;
GameEvents.TriggerPreviewUpdated(_cachedArgs);
}
// ----------------------------------------------------------------------------
private PrePlacementInstance GetFromPlaceholder(PlaceableItem placeholder)
{
if (placeholder == null)
{
return(null);
}
PrePlacementInstance entry = null;
if (_preplacementTable.TryGetValue(placeholder.GetInstanceID(), out entry))
{
return(entry);
}
return(null);
}
// ----------------------------------------------------------------------------
private void SelectedItemState()
{
SetDebugColor(Color.red);
SelectionSprite.enabled = true;
if (_selection == null)
{
GoToNothingSelectedState();
return;
}
// Allow user to drag position, delete, or rotate
_mouseDrag?.Update();
if (Input.GetMouseButtonDown(0))
{
// Found valid placement? switch to selection state
var entry = FindPlacementAtPoint(_camera.ScreenToWorldPoint(Input.mousePosition));
if (entry == null)
{
_selection = null;
return;
}
else if (_selection != entry)
{
GoToSelectedItemState(entry);
}
}
if (_mouseDrag.MouseDragging)
{
var wPoint = _camera.ScreenToWorldPoint(Input.mousePosition);
PreviewSprite.enabled = true;
PreviewSprite.transform.rotation = Quaternion.Euler(0, 0, _selection.Angle);
PreviewSprite.sprite = _selection.Item.Item.PreviewSprite;
var newPos = wPoint.SnapToGrid(GridSize);
PreviewSprite.transform.position = newPos;
SelectionSprite.transform.position = newPos;
}
else
{
if (Input.GetKeyDown(KeyCode.R))
{
_selection.Angle += 90f;
if (_selection.Angle >= 360f)
{
_selection.Angle -= 360f;
}
var rot = Quaternion.Euler(0, 0, _selection.Angle);
_selection.Placeholder.transform.rotation = rot;
PreviewSprite.transform.rotation = rot;
}
// Found valid placement? switch to selection state
var hoveredItem = FindPreplacementAtPoint(_camera.ScreenToWorldPoint(Input.mousePosition));
if (!hoveredItem || hoveredItem.gameObject != _selection.Placeholder.gameObject)
{
SetHoveredItem(hoveredItem);
}
}
if (PreviewSprite.enabled)
{
bool canBePlaced = CanBePlaced(PreviewSprite, true);
PreviewSprite.color = canBePlaced ? SpriteColorPreview : SpriteColorBad;
// If we release, reposition the element
if (_mouseDrag.MouseUp)
{
if (canBePlaced)
{
var newPos = PreviewSprite.transform.position.SnapToGrid(GridSize);
_selection.Placeholder.transform.position = newPos;
_selection.Position = newPos;
SelectionSprite.transform.position = newPos;
//GameManager.GM.Cues.UiPlaceItem.PlayUiSource();
}
else
{
SelectionSprite.transform.position = _selection.Position;
}
PreviewSprite.enabled = false;
}
}
}
