87 lines
2.6 KiB
Rust
87 lines
2.6 KiB
Rust
use ::rltk::{DistanceAlg, Point, RandomNumberGenerator};
|
|
use ::specs::prelude::*;
|
|
|
|
use crate::components::{Attributes, Initiative, MyTurn, Pools, Position};
|
|
use crate::RunState;
|
|
|
|
pub struct InitiativeSystem {}
|
|
|
|
impl<'a> System<'a> for InitiativeSystem {
|
|
#[allow(clippy::type_complexity)]
|
|
type SystemData = (
|
|
WriteStorage<'a, Initiative>,
|
|
ReadStorage<'a, Position>,
|
|
WriteStorage<'a, MyTurn>,
|
|
Entities<'a>,
|
|
WriteExpect<'a, RandomNumberGenerator>,
|
|
ReadStorage<'a, Attributes>,
|
|
WriteExpect<'a, RunState>,
|
|
ReadExpect<'a, Entity>,
|
|
ReadExpect<'a, Point>,
|
|
ReadStorage<'a, Pools>,
|
|
);
|
|
|
|
fn run(&mut self, data: Self::SystemData) {
|
|
let (
|
|
mut initiatives,
|
|
positions,
|
|
mut turns,
|
|
entities,
|
|
mut rng,
|
|
attributes,
|
|
mut runstate,
|
|
player,
|
|
player_pos,
|
|
pools,
|
|
) = data;
|
|
|
|
if *runstate != RunState::Ticking {
|
|
return;
|
|
}
|
|
|
|
// Clear any remaining MyTurn we left by mistake
|
|
turns.clear();
|
|
|
|
// Roll initiative
|
|
for (entity, initiative, pos) in (&entities, &mut initiatives, &positions).join() {
|
|
initiative.current -= 1;
|
|
if initiative.current < 1 {
|
|
let mut myturn = true;
|
|
|
|
// Re-roll
|
|
initiative.current = 6 + rng.roll_dice(1, 6);
|
|
|
|
// Give a bonus for quickness
|
|
if let Some(attr) = attributes.get(entity) {
|
|
initiative.current -= attr.quickness.bonus;
|
|
}
|
|
|
|
// Apply pool penalty
|
|
if let Some(pools) = pools.get(entity) {
|
|
initiative.current += f32::floor(pools.total_initiative_penalty) as i32;
|
|
}
|
|
|
|
// TODO: More initiative granting boosts/penalties will go here later
|
|
|
|
// if its the player, we want to go to an AwaitingInput state
|
|
if entity == *player {
|
|
*runstate = RunState::AwaitingInput;
|
|
} else {
|
|
let distance =
|
|
DistanceAlg::Pythagoras.distance2d(*player_pos, Point::from(*pos));
|
|
if distance > 20.0 {
|
|
myturn = false;
|
|
}
|
|
}
|
|
|
|
// It's my turn
|
|
if myturn {
|
|
turns
|
|
.insert(entity, MyTurn {})
|
|
.expect("Unable to insert turn");
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|