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|
use crate::{
game::ActiveRecipe,
protocol::{ItemIndex, TileIndex},
recipes::{Action, Gamedata},
};
use log::{debug, info};
use std::collections::BTreeSet;
use Out::*;
pub enum Out {
Take(usize),
Put,
Produce(ItemIndex),
Consume(usize),
}
pub fn interact(
data: &Gamedata,
edge: bool,
tile: TileIndex,
active: &mut Option<ActiveRecipe>,
mut items: Vec<ItemIndex>,
mut hand: Option<ItemIndex>,
mut out: impl FnMut(Out),
) {
let mut allowed = BTreeSet::new();
for r in &data.recipes {
if r.tile == tile {
allowed.extend(r.inputs.clone())
}
}
if !edge {
if let Some(ac) = active {
if matches!(data.recipes[ac.recipe].action, Action::Active(_)) {
ac.working -= 1;
}
}
return;
}
if !items.is_empty() && hand.is_none() {
out(Take(items.len() - 1));
return;
}
if let Some(hi) = hand {
if allowed.contains(&hi) {
out(Put);
items.push(hi);
hand = None;
}
}
if hand.is_none() {
'rloop: for (ri, r) in data.recipes.iter().enumerate() {
if tile != r.tile {
continue;
}
let mut inputs = r.inputs.clone();
for i in &items {
debug!("take {i:?} {inputs:?}");
let Some(pos) = inputs.iter().position(|e| e == i) else {
continue 'rloop;
};
inputs.remove(pos);
}
debug!("end {inputs:?}");
if !inputs.is_empty() {
continue;
}
match r.action {
Action::Passive(_) => {
info!("use recipe {r:?}");
*active = Some(ActiveRecipe {
recipe: ri,
progress: 0.,
working: 0,
});
break 'rloop;
}
Action::Active(_) => {}
Action::Instant => {
info!("use recipe {r:?}");
for i in 0..items.len() {
out(Consume(i))
}
for i in &r.outputs {
out(Produce(*i));
}
if !r.outputs.is_empty() {
out(Take(r.outputs.len() - 1));
}
items.clear();
break 'rloop;
}
Action::Never => (),
}
}
}
}
|
