private void TilesetControl_MouseMove(object sender, MouseEventArgs e)
{
int w = Width / tile_width * tile_width;
int h = Height / tile_height * tile_height;
if (_is_multi && _multi_select && e.X > 0 && e.Y > 0 && e.X < w && e.Y < h)
{
short Current = GetTileIndexAt(e.X, e.Y);
if (Current != -1 && !SelectedTiles.Contains(Current))
{
SelectedTiles.Add(Current);
SelectedX.Add(e.X / tile_width / Zoom);
SelectedY.Add(e.Y / tile_height / Zoom);
Refresh();
}
}
if (CanDrag && do_drag && _selection != -1)
{
int xx = drag_start.X - e.X;
int yy = drag_start.Y - e.Y;
if (Math.Sqrt(xx * xx + yy * yy) > 4)
{
Frame frame = new Frame();
frame.Index = (short)_selection;
DoDragDrop(new DataObject("ImageFrame", frame), DragDropEffects.All);
do_drag = false;
}
}
}
// very important!!
public void CompileSelectedTiles()
{
List <short> list = new List <short>();
// remove invalid tiles from map:
while (SelectedTiles.Contains(-1))
{
SelectedTiles.Remove(-1);
}
SelectedTiles.Sort();
SelectedX.Sort();
SelectedY.Sort();
int index = 0;
int woz = (Width / twz);
int width = SelectedX[SelectedX.Count - 1] - SelectedX[0] + 1;
int height = SelectedY[SelectedY.Count - 1] - SelectedY[0] + 1;
int h = height * tile_height, w = width * tile_width;
if (SelectedMap != null)
{
SelectedMap.Dispose();
}
SelectedMap = new Bitmap(w, h, System.Drawing.Imaging.PixelFormat.Format32bppArgb);
Graphics g = Graphics.FromImage(SelectedMap);
for (int y = SelectedY[0]; y < SelectedY[0] + height; ++y)
{
for (int x = SelectedX[0]; x < SelectedX[0] + width; ++x)
{
if (index < SelectedTiles.Count && SelectedTiles[index] != x + y * woz)
{
SelectedTiles.Insert(index, -1);
}
index++;
}
}
index = 0;
for (int y = 0; y < h; y += tile_height)
{
for (int x = 0; x < w; x += tile_width)
{
if (index < SelectedTiles.Count && SelectedTiles[index] != -1)
{
g.DrawImage(tiles[SelectedTiles[index]].Graphic, x, y, tile_width, tile_height);
list.Add(SelectedTiles[index]);
}
else
{
g.FillRectangle(Brushes.Gray, x, y, tile_width, tile_height);
list.Add(-1);
}
++index;
}
}
g.Dispose();
SelectedIndices = list.ToArray();
}
private void TilesetControl_MouseDown(object sender, MouseEventArgs e)
{
if (e.Button == MouseButtons.Left || e.Button == MouseButtons.Right)
{
drag_start = e.Location;
do_drag = true;
if (!_ctrl)
{
SelectedTiles.Clear(); // if no ctrl-click, clear the selection.
SelectedX.Clear();
SelectedY.Clear();
SelectedIndices = SelectedTiles.ToArray();
}
short Current = GetTileIndexAt(e.X, e.Y);
if (Current != -1)
{
if (!_is_multi)
{
_selection = Current;
}
if (!SelectedTiles.Contains(Current))
{
SelectedTiles.Add(Current);
SelectedX.Add(e.X / tile_width / Zoom);
SelectedY.Add(e.Y / tile_height / Zoom);
}
else if (_ctrl)
{
SelectedTiles.Remove(Current);
SelectedX.Remove(e.X / tile_width / Zoom);
SelectedY.Remove(e.Y / tile_height / Zoom);
}
}
_multi_select = true;
Refresh();
}
}