godot_grid_inventory/Code/UI/InventoryGrid.cs

74 lines
2.7 KiB
C#

using Godot;
using GodotGridInventory.Code.Grid;
namespace GodotGridInventory.Code.UI;
public partial class InventoryGrid:Control
{
private Grid.InventoryGrid _inventoryGrid;
private InventoryController _inventoryController;
[Export] public Control GridContainer { get; set; }
[Export] public PackedScene GridSlotResource { get; set; }
public override void _Ready()
{
base._Ready();
}
public void InitializeInventoryGrid(Grid.InventoryGrid inventoryGrid, InventoryController inventoryController)
{
_inventoryGrid = inventoryGrid;
_inventoryController = inventoryController;
for (var x = 0; x < _inventoryGrid.GridSize.X; x++)
{
for (var y = 0; y < _inventoryGrid.GridSize.Y; y++)
{
var cellPosition = new Vector2(x, y);
var cell = _inventoryGrid.GetCell(cellPosition);
var gridSlot = GridSlotResource.Instantiate() as Control;
gridSlot.Position = new Vector2(x * _inventoryController.CellSize, y * _inventoryController.CellSize);
gridSlot.Size = new Vector2(_inventoryController.CellSize-1, _inventoryController.CellSize-1);
GridContainer.AddChild(gridSlot);
}
}
}
public Vector2 ScreenCoordsToInventoryGridCoords(Vector2 cursorPos)
{
var x = Mathf.FloorToInt(cursorPos.X / _inventoryController.CellSize);
var y = Mathf.FloorToInt(cursorPos.Y / _inventoryController.CellSize);
return new Vector2(x, y);
}
public void AddItem(InventoryGridItem inventoryItemDragged, bool useScreenCoords = true)
{
if (useScreenCoords == false)
{
var result = _inventoryGrid.AddItem(inventoryItemDragged.Item.Id, inventoryItemDragged);
if(result!=null)
{
var parent = inventoryItemDragged.GetParent();
if(parent!=null)
parent.RemoveChild(inventoryItemDragged);
AddChild(inventoryItemDragged);
inventoryItemDragged.Position = (Vector2)result * _inventoryController.CellSize;
}
return;
}
var cursorPos = GetGlobalMousePosition();
var gridCoords = ScreenCoordsToInventoryGridCoords(cursorPos);
if (_inventoryGrid.AddItem(inventoryItemDragged.Item.Id, inventoryItemDragged, gridCoords)!=null)
{
var parent = inventoryItemDragged.GetParent();
if(parent!=null)
parent.RemoveChild(inventoryItemDragged);
AddChild(inventoryItemDragged);
inventoryItemDragged.Position = gridCoords * _inventoryController.CellSize;
}
}
}