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use specs::{
Component,
HashMapStorage,
ReadStorage,
Entity,
};
#[derive(Component, Debug, Clone, Copy, PartialEq, Eq, Hash)]
#[storage(HashMapStorage)]
pub enum Faction {
Neutral,
Good,
Evil,
None
}
use Faction::{Neutral, Good, Evil, None};
impl Faction {
pub fn from_str(name: &str) -> Option<Faction> {
match name.to_lowercase().as_str() {
"neutral" => Some(Neutral),
"good" => Some(Good),
"evil" => Some(Evil),
"none" => Some(None),
"" => Some(None),
_ => Option::None
}
}
pub fn is_enemy(&self, other: Faction) -> bool {
match self {
Neutral => false,
Good => other == Evil || other == None,
Evil => other == Good || other == None,
None => other != Neutral
}
}
pub fn is_enemy_entity(factions: &ReadStorage<Self>, a: Entity, b: Entity) -> bool{
factions.get(a).unwrap_or(&None).is_enemy(*factions.get(b).unwrap_or(&None))
}
}
|
