86 lines
3.5 KiB
Rust
86 lines
3.5 KiB
Rust
use crate::{gamelog, Attributes, Burden, EquipmentChanged, Equipped, InBackpack, Item, Pools};
|
|
use specs::prelude::*;
|
|
use std::collections::HashMap;
|
|
|
|
pub const CARRY_CAPACITY_PER_STRENGTH: i32 = 8;
|
|
|
|
pub struct EncumbranceSystem {}
|
|
|
|
impl<'a> System<'a> for EncumbranceSystem {
|
|
#[allow(clippy::type_complexity)]
|
|
type SystemData = (
|
|
WriteStorage<'a, EquipmentChanged>,
|
|
Entities<'a>,
|
|
ReadStorage<'a, Item>,
|
|
ReadStorage<'a, InBackpack>,
|
|
ReadStorage<'a, Equipped>,
|
|
WriteStorage<'a, Pools>,
|
|
ReadStorage<'a, Attributes>,
|
|
ReadExpect<'a, Entity>,
|
|
WriteStorage<'a, Burden>,
|
|
);
|
|
|
|
fn run(&mut self, data: Self::SystemData) {
|
|
let (mut equip_dirty, entities, items, backpacks, wielded, mut pools, attributes, player, mut burdened) = data;
|
|
if equip_dirty.is_empty() {
|
|
return;
|
|
}
|
|
// Build update map
|
|
let mut to_update: HashMap<Entity, f32> = HashMap::new();
|
|
for (entity, _dirty) in (&entities, &equip_dirty).join() {
|
|
to_update.insert(entity, 0.0);
|
|
}
|
|
equip_dirty.clear();
|
|
// Total up equipped items
|
|
for (item, equipped) in (&items, &wielded).join() {
|
|
if to_update.contains_key(&equipped.owner) {
|
|
let totals = to_update.get_mut(&equipped.owner).unwrap();
|
|
*totals += item.weight;
|
|
}
|
|
}
|
|
// Total carried items
|
|
for (item, carried) in (&items, &backpacks).join() {
|
|
if to_update.contains_key(&carried.owner) {
|
|
let totals = to_update.get_mut(&carried.owner).unwrap();
|
|
*totals += item.weight;
|
|
}
|
|
}
|
|
// Apply to pools
|
|
for (entity, weight) in to_update.iter() {
|
|
if let Some(pool) = pools.get_mut(*entity) {
|
|
pool.weight = *weight;
|
|
if let Some(attr) = attributes.get(*entity) {
|
|
let carry_capacity_lbs =
|
|
(attr.strength.base + attr.strength.modifiers) * CARRY_CAPACITY_PER_STRENGTH;
|
|
if pool.weight as i32 > 3 * carry_capacity_lbs {
|
|
// Overloaded
|
|
burdened
|
|
.insert(*entity, Burden { level: crate::BurdenLevel::Overloaded })
|
|
.expect("Failed to insert Burden");
|
|
if *entity == *player {
|
|
gamelog::Logger::new().append("You're overloaded!").log();
|
|
}
|
|
} else if pool.weight as i32 > 2 * carry_capacity_lbs {
|
|
// Strained
|
|
burdened
|
|
.insert(*entity, Burden { level: crate::BurdenLevel::Strained })
|
|
.expect("Failed to insert Burden");
|
|
if *entity == *player {
|
|
gamelog::Logger::new().append("You're strained.").log();
|
|
}
|
|
} else if pool.weight as i32 > carry_capacity_lbs {
|
|
// Burdened
|
|
burdened
|
|
.insert(*entity, Burden { level: crate::BurdenLevel::Burdened })
|
|
.expect("Failed to insert Burden");
|
|
if *entity == *player {
|
|
gamelog::Logger::new().append("You're burdened.").log();
|
|
}
|
|
} else {
|
|
burdened.remove(*entity);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|