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#[macro_export]
macro_rules! new_entity {
($name: ident) => {
new_entity!($name, {})
};
($name: ident { position: $position:expr $(, $fields:tt)* }) => {
$name {
id: None,
position: $position,
$($fields)*
}
};
($name: ident { $position:expr $(, $fields:tt)* }) => {
$name {
id: None,
position: $position,
$($fields)*
}
};
}
#[macro_export]
macro_rules! boring_entity {
($name:ident) => {
entity! {
pub struct $name {}
}
impl $name {
#[allow(dead_code)]
pub fn new(position: $crate::types::Position) -> Self {
$name { id: None, position }
}
}
};
($name:ident, char: $char: expr) => {
boring_entity!($name);
impl $crate::display::Draw for $name {
fn do_draw(&self, out: &mut Write) -> io::Result<()> {
write!(out, "{}", $char)
}
}
};
}
#[macro_export]
macro_rules! entity {
($name: ident) => {
positioned!($name);
positioned_mut!($name);
identified!($name, $crate::entities::EntityID);
impl $crate::entities::entity::Entity for $name {}
};
(pub struct $name:ident { $($struct_contents:tt)* } $($rest:tt)*) => {
#[derive(Debug, PartialEq, Eq, Clone)]
pub struct $name {
pub id: Option<$crate::entities::EntityID>,
pub position: $crate::types::Position,
$($struct_contents)*
}
entity!($name);
entity!($($rest)*);
};
() => {};
}
|
