veloren_common/
effect.rs

1use crate::{combat, comp};
2use serde::{Deserialize, Serialize};
3
4/// An effect that may be applied to an entity
5#[derive(Clone, Debug, PartialEq, Serialize, Deserialize)]
6pub enum Effect {
7    Health(comp::HealthChange),
8    Poise(f32),
9    Damage(combat::Damage),
10    Buff(BuffEffect),
11}
12
13/// A buff that may be applied to an entity
14#[derive(Clone, Debug, PartialEq, Serialize, Deserialize)]
15#[serde(deny_unknown_fields)]
16pub struct BuffEffect {
17    pub kind: comp::BuffKind,
18    pub data: comp::BuffData,
19    pub cat_ids: Vec<comp::BuffCategory>,
20}
21
22impl Effect {
23    pub fn info(&self) -> String {
24        match self {
25            Effect::Health(c) => format!("{:+} health", c.amount),
26            Effect::Poise(p) => format!("{:+} poise", p),
27            Effect::Damage(d) => format!("{:+}", d.value),
28            Effect::Buff(e) => format!("{:?} buff", e),
29        }
30    }
31
32    pub fn is_harm(&self) -> bool {
33        match self {
34            Effect::Health(c) => c.amount < 0.0,
35            Effect::Poise(p) => *p < 0.0,
36            Effect::Damage(_) => true,
37            Effect::Buff(e) => !e.kind.is_buff(),
38        }
39    }
40
41    pub fn modify_strength(&mut self, modifier: f32) {
42        match self {
43            Effect::Health(change) => {
44                change.amount *= modifier;
45            },
46            Effect::Poise(poise) => {
47                *poise *= modifier;
48            },
49            Effect::Damage(damage) => {
50                damage.interpolate_damage(modifier, 0.0);
51            },
52            Effect::Buff(effect) => {
53                effect.data.strength *= modifier;
54            },
55        }
56    }
57}
veloren_common/effect.rs

veloren_common/
effect.rs
