manabrew_engine/trigger/
trigger_life_lost.rs

1use serde::{Deserialize, Serialize};
2
3use crate::event::RunParams;
4use crate::game::GameState;
5use crate::parsing::{keys, Params};
6use crate::spellability::SpellAbility;
7use crate::trigger::TriggerType;
8
9use super::trigger::{Trigger, TriggerBehavior};
10
11#[derive(Debug, Clone, Serialize, Deserialize)]
12pub struct TriggerLifeLost {
13    pub valid_player: Option<crate::parsing::CompiledSelector>,
14    pub first_time_only: bool,
15}
16
17impl TriggerLifeLost {
18    pub fn parse(params: &Params) -> Box<dyn TriggerBehavior> {
19        Box::new(Self {
20            valid_player: params.selector_cloned(keys::VALID_PLAYER),
21            first_time_only: params.has("FirstTime"),
22        })
23    }
24}
25
26#[typetag::serde]
27impl TriggerBehavior for TriggerLifeLost {
28    fn trigger_type(&self) -> TriggerType {
29        TriggerType::LifeLost
30    }
31
32    fn perform_test(&self, trigger: &Trigger, params: &RunParams, game: &GameState) -> bool {
33        let _host_controller = trigger.base.card_trait_base.host_controller(game);
34        if !trigger.matches_optional_valid_player_filter(&self.valid_player, params.player, game) {
35            return false;
36        }
37        if self.first_time_only && params.first_time != Some(true) {
38            return false;
39        }
40        true
41    }
42
43    fn set_triggering_objects(
44        &self,
45        _trigger: &Trigger,
46        sa: &mut SpellAbility,
47        params: &RunParams,
48        _game: &GameState,
49    ) {
50        if let Some(amount) = params.life_amount {
51            sa.set_triggering_object(crate::ability::AbilityKey::LifeAmount, amount.to_string());
52        }
53        if let Some(p) = params.player {
54            sa.set_triggering_object(crate::ability::AbilityKey::Player, p.0.to_string());
55        }
56    }
57
58    fn get_important_stack_objects(&self, _trigger: &Trigger, sa: &SpellAbility) -> String {
59        // Java: "Player: " + Player + ", LostAmount: " + LifeAmount
60        format!(
61            "Player: {}, LostAmount: {}",
62            sa.get_triggering_object(crate::ability::AbilityKey::Player)
63                .unwrap_or_default(),
64            sa.get_triggering_object(crate::ability::AbilityKey::LifeAmount)
65                .unwrap_or_default()
66        )
67    }
68}
manabrew_engine/trigger/trigger_life_lost.rs

manabrew_engine/trigger/
trigger_life_lost.rs
