private void handleMouseScroll(object sender, MouseEventArgs e)
{
if (p_LogicDisabled)
{
return;
}
Point mousePosition = PointToClient(Cursor.Position);
if (p_EventHijacker != null)
{
p_EventHijacker.OnMouseScroll(this, mousePosition, e);
}
//only scroll if no button is currently down
if (p_Cursor.MouseButton != MouseButtons.None)
{
return;
}
//get the block where the mouse is currently at
bool hasBlock;
VisibleBlock block = p_MapRenderer.TryGetBlockAtPoint(p_Window.Context, mousePosition, out hasBlock);
//adjust zoom
int v = (e.Delta < 0 ? -1 : 1);
p_Camera.Scale(v * 10);
//move camera to the block where the mouse is.
if (hasBlock)
{
p_Camera.MoveCenter(block.BlockX, block.BlockY);
}
}