public void UpdateTilePlacement(int oldx = -1, int oldy = -1, int newx = -1, int newy = -1)
{
if (!MainContainer.WidgetIM.Hovering)
{
return;
}
if (MainContainer.HScrollBar != null && (MainContainer.HScrollBar.SliderDragging || MainContainer.HScrollBar.SliderHovering))
{
return;
}
if (MainContainer.VScrollBar != null && (MainContainer.VScrollBar.SliderDragging || MainContainer.VScrollBar.SliderHovering))
{
return;
}
bool Left = WidgetIM.ClickedLeftInArea == true;
bool Right = WidgetIM.ClickedRightInArea == true;
if (Left || Right)
{
if (OriginPoint == null)
{
OriginPoint = new Point(
(int)Math.Floor(oldx / 32d),
(int)Math.Floor(oldy / 32d)
);
}
}
// Input handling
if (Left)
{
if (TilesPanel.SelectButton.Selected) // Selection tool
{
int sx = OriginPoint.X < MapTileX ? OriginPoint.X : MapTileX;
int ex = OriginPoint.X < MapTileX ? MapTileX : OriginPoint.X;
int sy = OriginPoint.Y < MapTileY ? OriginPoint.Y : MapTileY;
int ey = OriginPoint.Y < MapTileY ? MapTileY : OriginPoint.Y;
if (sx < 0)
{
sx = 0;
}
else if (sx >= Map.Width)
{
sx = Map.Width - 1;
}
if (sy < 0)
{
sy = 0;
}
else if (sy >= Map.Height)
{
sy = Map.Height - 1;
}
if (ex < 0)
{
ex = 0;
}
else if (ex >= Map.Width)
{
ex = Map.Width - 1;
}
if (ey < 0)
{
ey = 0;
}
else if (ey >= Map.Height)
{
ey = Map.Height - 1;
}
SelectionX = sx;
SelectionY = sy;
SelectionWidth = ex - sx + 1;
SelectionHeight = ey - sy + 1;
UpdateSelection();
}
else // Pencil tool
{
int Layer = LayerPanel.SelectedLayer;
if (TileDataList.Count == 0)
{
if (TilesPanel.EraserButton.Selected)
{
TileDataList.Add(null);
}
else
{
TilesPanel.SelectTile(null);
TileDataList.Add(null);
throw new Exception($"The tile data list is empty, but the eraser tool is not selected.\nCan't find tiles to draw with.");
}
}
MapWidget.DrawTiles(oldx, oldy, newx, newy, Layer);
}
}
else if (Right)
{
if (TilesPanel.SelectButton.Selected) // Selection tool
{
if (SelectionX != -1 || SelectionY != -1 || SelectionWidth != 0 || SelectionHeight != 0)
{
SelectionX = -1;
SelectionY = -1;
SelectionWidth = 0;
SelectionHeight = 0;
UpdateSelection();
}
}
int Layer = LayerPanel.SelectedLayer;
TileDataList.Clear();
int OriginDiffX = MapTileX - OriginPoint.X;
int OriginDiffY = MapTileY - OriginPoint.Y;
CursorOrigin = Location.BottomRight;
if (OriginDiffX < 0)
{
OriginDiffX = -OriginDiffX;
CursorOrigin = Location.BottomLeft;
}
if (OriginDiffY < 0)
{
OriginDiffY = -OriginDiffY;
if (CursorOrigin == Location.BottomLeft)
{
CursorOrigin = Location.TopLeft;
}
else
{
CursorOrigin = Location.TopRight;
}
}
CursorWidth = OriginDiffX;
CursorHeight = OriginDiffY;
UpdateCursorPosition();
if (CursorWidth == 0 && CursorHeight == 0)
{
int MapTileIndex = MapTileY * Map.Width + MapTileX;
if (MapTileX < 0 || MapTileX >= Map.Width || MapTileY < 0 || MapTileY >= Map.Height)
{
TilesPanel.SelectTile(null);
}
else
{
TileData tile = Map.Layers[Layer].Tiles[MapTileIndex];
if (tile == null)
{
TilesPanel.SelectTile(null);
}
else
{
TilesPanel.SelectTile(tile);
}
}
}
else
{
SelectionOnMap = true;
TilesPanel.EraserButton.SetSelected(false);
int sx = OriginPoint.X < MapTileX ? OriginPoint.X : MapTileX;
int ex = OriginPoint.X < MapTileX ? MapTileX : OriginPoint.X;
int sy = OriginPoint.Y < MapTileY ? OriginPoint.Y : MapTileY;
int ey = OriginPoint.Y < MapTileY ? MapTileY : OriginPoint.Y;
TileDataList.Clear();
for (int y = sy; y <= ey; y++)
{
for (int x = sx; x <= ex; x++)
{
int index = y * Map.Width + x;
if (x < 0 || x >= Map.Width || y < 0 || y >= Map.Height)
{
TileDataList.Add(null);
}
else
{
TileData tile = Map.Layers[Layer].Tiles[index];
TileDataList.Add(tile);
}
}
}
}
}
}