use super::block;

impl State
{
   fn cur_block(&self) -> &block::Block
   {
      self.blocks.last().unwrap()
   }

   fn cur_block_mut(&mut self) -> &mut block::Block
   {
      self.blocks.last_mut().unwrap()
   }
}

impl Default for State
{
   #[inline]
   fn default() -> Self
   {
      Self{blocks: vec![block::Block::default()],
           tool:   Tool::default()}
   }
}

impl Default for Tool
{
   #[inline]
   fn default() -> Self {Tool::Points}
}

/// The state of an opened map editor.
pub struct State
{
   pub(super) blocks: Vec<block::Block>,
   pub(super) tool:   Tool,
}

/// A tool in the map editor.
#[derive(Debug)]
pub(super) enum Tool
{
   Points,
   Lines,
   Polygons,
}

// EOF