use std::borrow::Cow;
pub trait BlockLogic
{
fn get_size(&self) -> u8;
fn is_symmetric(&self) -> bool
{
true
}
}
pub struct Block
{
name: Cow<'static, str>,
logic: Box<dyn BlockLogic>,
}
impl Block
{
pub fn new(name: Cow<'static, str>, logic: Box<dyn BlockLogic>) -> Self
{
Self{name, logic}
}
pub fn get_name(&self) -> &str
{
&self.name
}
pub fn get_size(&self) -> u8
{
self.logic.get_size()
}
pub fn is_symmetric(&self) -> bool
{
self.logic.is_symmetric()
}
}
pub enum Rotation
{
Right, Up, Left, Down
}
impl From<u8> for Rotation
{
fn from(val: u8) -> Self
{
match val & 3
{
0 => Rotation::Right,
1 => Rotation::Up,
2 => Rotation::Left,
_ => Rotation::Down,
}
}
}
impl From<Rotation> for u8
{
fn from(rot: Rotation) -> Self
{
match rot
{
Rotation::Right => 0,
Rotation::Up => 1,
Rotation::Left => 2,
Rotation::Down => 3,
}
}
}