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use std::collections::HashMap;
use specs::{
Component,
HashMapStorage,
};
use crate::{
exchange::Exchange,
components::{Trigger, equipment::Stat},
RoomId,
parameter::Parameter,
fromtoparameter::FromToParameter,
ItemId,
};
#[derive(Component, Debug, Clone, PartialEq)]
#[storage(HashMapStorage)]
pub enum Interactable {
Trigger(Trigger),
Visit(RoomId),
Mine(Stat),
Say(String),
Reply(String),
Exchange(String, HashMap<String, Exchange>),
}
use Interactable::*;
impl Interactable {
pub fn parse_from_parameter(typ: &str, arg: &Parameter) -> Option<Self> {
Some(match (typ, arg) {
("trigger", Parameter::String(s)) => Trigger(Trigger::from_str(s)?),
("visit", Parameter::String(s)) => Visit(RoomId::from_str(s)),
("mine", Parameter::String(s)) => Mine(Stat::from_str(s)?),
("say", Parameter::String(s)) => Say(s.clone()),
("reply", Parameter::String(s)) => Reply(s.clone()),
("exchange", p) => {
let (prefix, trades) = <(String, Vec<(String, Vec<ItemId>, Vec<ItemId>)>)>::from_parameter(p.clone())?;
let exchanges = trades.into_iter().map(|(k, cost, offer)| (k, Exchange{cost, offer})).collect();
Exchange(prefix, exchanges)
}
_ => {return None}
})
}
pub fn accepts_arg(&self, arg: &Option<String>) -> bool {
match self {
Trigger(_) => arg.is_none(),
Visit(_) => {
if let Some(txt) = arg {
txt.starts_with("visit ") || txt.starts_with("disallow ") || txt.starts_with("allow ") || txt.starts_with("whitelist")
} else {
true
}
}
Mine(_) => arg.is_none(),
Say(_) => arg.is_none(),
Reply(_) => arg.is_some(),
Exchange(prefix, _exchanges) => {
if let Some(txt) = arg {
txt.starts_with(prefix)
} else {
true
}
},
}
}
}
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