2020-12-13 17:11:55 +00:00
|
|
|
use crate::{comp::Body, uid::Uid, DamageSource};
|
2020-10-31 22:34:08 +00:00
|
|
|
use serde::{Deserialize, Serialize};
|
|
|
|
|
use specs::{Component, FlaggedStorage};
|
|
|
|
|
use specs_idvs::IdvStorage;
|
|
|
|
|
|
|
|
|
|
/// Specifies what and how much changed current health
|
|
|
|
|
#[derive(Clone, Copy, Debug, Hash, PartialEq, Eq, Serialize, Deserialize)]
|
|
|
|
|
pub struct HealthChange {
|
|
|
|
|
pub amount: i32,
|
|
|
|
|
pub cause: HealthSource,
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
#[derive(Clone, Copy, Debug, Hash, PartialEq, Eq, Serialize, Deserialize)]
|
|
|
|
|
pub enum HealthSource {
|
2020-11-05 01:21:42 +00:00
|
|
|
Damage { kind: DamageSource, by: Option<Uid> },
|
|
|
|
|
Heal { by: Option<Uid> },
|
|
|
|
|
//Attack { by: Uid }, // TODO: Implement weapon
|
|
|
|
|
//Projectile { owner: Option<Uid> },
|
|
|
|
|
//Explosion { owner: Option<Uid> },
|
|
|
|
|
//Energy { owner: Option<Uid> },
|
|
|
|
|
//Buff { owner: Option<Uid> },
|
2020-10-31 22:34:08 +00:00
|
|
|
Suicide,
|
|
|
|
|
World,
|
|
|
|
|
Revive,
|
|
|
|
|
Command,
|
|
|
|
|
LevelUp,
|
|
|
|
|
Item,
|
2020-11-05 01:21:42 +00:00
|
|
|
//Healing { by: Option<Uid> },
|
2020-10-31 22:34:08 +00:00
|
|
|
Unknown,
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
#[derive(Clone, Copy, Debug, Serialize, Deserialize)]
|
|
|
|
|
pub struct Health {
|
|
|
|
|
base_max: u32,
|
|
|
|
|
current: u32,
|
|
|
|
|
maximum: u32,
|
|
|
|
|
pub last_change: (f64, HealthChange),
|
|
|
|
|
pub is_dead: bool,
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
impl Health {
|
|
|
|
|
pub fn new(body: Body, level: u32) -> Self {
|
|
|
|
|
let mut health = Health::empty();
|
|
|
|
|
|
|
|
|
|
health.update_max_hp(Some(body), level);
|
|
|
|
|
health.set_to(health.maximum(), HealthSource::Revive);
|
|
|
|
|
|
|
|
|
|
health
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
pub fn empty() -> Self {
|
|
|
|
|
Health {
|
|
|
|
|
current: 0,
|
|
|
|
|
maximum: 0,
|
|
|
|
|
base_max: 0,
|
|
|
|
|
last_change: (0.0, HealthChange {
|
|
|
|
|
amount: 0,
|
|
|
|
|
cause: HealthSource::Revive,
|
|
|
|
|
}),
|
|
|
|
|
is_dead: false,
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
pub fn current(&self) -> u32 { self.current }
|
|
|
|
|
|
|
|
|
|
pub fn maximum(&self) -> u32 { self.maximum }
|
|
|
|
|
|
|
|
|
|
pub fn set_to(&mut self, amount: u32, cause: HealthSource) {
|
|
|
|
|
let amount = amount.min(self.maximum);
|
|
|
|
|
self.last_change = (0.0, HealthChange {
|
|
|
|
|
amount: amount as i32 - self.current as i32,
|
|
|
|
|
cause,
|
|
|
|
|
});
|
|
|
|
|
self.current = amount;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
pub fn change_by(&mut self, change: HealthChange) {
|
|
|
|
|
self.current = ((self.current as i32 + change.amount).max(0) as u32).min(self.maximum);
|
|
|
|
|
self.last_change = (0.0, change);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// This function changes the modified max health value, not the base health
|
|
|
|
|
// value. The modified health value takes into account buffs and other temporary
|
|
|
|
|
// changes to max health.
|
|
|
|
|
pub fn set_maximum(&mut self, amount: u32) {
|
|
|
|
|
self.maximum = amount;
|
|
|
|
|
self.current = self.current.min(self.maximum);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// This is private because max hp is based on the level
|
|
|
|
|
fn set_base_max(&mut self, amount: u32) {
|
|
|
|
|
self.base_max = amount;
|
|
|
|
|
self.current = self.current.min(self.maximum);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
pub fn reset_max(&mut self) { self.maximum = self.base_max; }
|
|
|
|
|
|
|
|
|
|
pub fn should_die(&self) -> bool { self.current == 0 }
|
|
|
|
|
|
|
|
|
|
pub fn revive(&mut self) {
|
|
|
|
|
self.set_to(self.maximum(), HealthSource::Revive);
|
|
|
|
|
self.is_dead = false;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// TODO: Delete this once stat points will be a thing
|
|
|
|
|
pub fn update_max_hp(&mut self, body: Option<Body>, level: u32) {
|
|
|
|
|
if let Some(body) = body {
|
|
|
|
|
self.set_base_max(body.base_health() + body.base_health_increase() * level);
|
|
|
|
|
self.set_maximum(body.base_health() + body.base_health_increase() * level);
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
pub fn with_max_health(mut self, amount: u32) -> Self {
|
|
|
|
|
self.maximum = amount;
|
|
|
|
|
self.current = amount;
|
|
|
|
|
self
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
impl Component for Health {
|
|
|
|
|
type Storage = FlaggedStorage<Self, IdvStorage<Self>>;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
#[derive(Copy, Clone, Debug, Serialize, Deserialize)]
|
2020-11-01 17:15:46 +00:00
|
|
|
pub struct Dead {
|
2020-10-31 22:34:08 +00:00
|
|
|
pub cause: HealthSource,
|
|
|
|
|
}
|
|
|
|
|
|
2020-11-01 17:15:46 +00:00
|
|
|
impl Component for Dead {
|
2020-10-31 22:34:08 +00:00
|
|
|
type Storage = IdvStorage<Self>;
|
|
|
|
|
}
|
