Files
roguelike/src/hunger_system.rs
2022-01-29 16:07:01 +01:00

92 lines
2.8 KiB
Rust

use specs::prelude::*;
use crate::{GameLog, Heals, HungerClock, HungerState, RunState, SufferDamage};
pub struct HungerSystem {}
impl<'a> System<'a> for HungerSystem {
type SystemData = (
Entities<'a>,
WriteStorage<'a, HungerClock>,
ReadExpect<'a, Entity>,
ReadExpect<'a, RunState>,
WriteStorage<'a, SufferDamage>,
WriteExpect<'a, GameLog>,
WriteStorage<'a, Heals>,
);
fn run(&mut self, data: Self::SystemData) {
let (
entities,
mut hunger_clock,
player_entity,
run_state,
mut suffer_damage,
mut game_log,
_heals,
) = data;
for (entity, mut clock) in (&entities, &mut hunger_clock).join() {
let mut proceed = false;
match *run_state {
RunState::PlayerTurn => {
if entity == *player_entity {
proceed = true;
}
}
RunState::MonsterTurn => {
if entity != *player_entity {
proceed = true;
}
}
_ => {
proceed = false;
}
}
if !proceed {
continue;
}
clock.duration -= 1;
if clock.duration > 0 {
continue;
}
match clock.state {
HungerState::WellFed => {
clock.state = HungerState::Normal;
clock.duration = 200;
if entity == *player_entity {
game_log
.entries
.push("You are no longer well-feed".to_string())
}
}
HungerState::Normal => {
clock.state = HungerState::Hungry;
clock.duration = 200;
if entity == *player_entity {
game_log.entries.push("You are hungry".to_string())
}
}
HungerState::Hungry => {
clock.state = HungerState::Starving;
clock.duration = 200;
if entity == *player_entity {
game_log.entries.push("You are Starving!".to_string())
}
}
HungerState::Starving => {
if entity == *player_entity {
game_log
.entries
.push("Your hunger pangs are getting painful".to_string())
}
SufferDamage::new_damage(&mut suffer_damage, entity, 1);
}
}
}
}
}