manabrew_engine/trigger/
trigger_life_gained.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 TriggerLifeGained {
13    pub valid_player: Option<crate::parsing::CompiledSelector>,
14    pub valid_source: Option<crate::parsing::CompiledSelector>,
15    pub first_time_only: bool,
16    pub spell_only: bool,
17}
18
19impl TriggerLifeGained {
20    pub fn parse(params: &Params) -> Box<dyn TriggerBehavior> {
21        Box::new(Self {
22            valid_player: params.selector_cloned(keys::VALID_PLAYER),
23            valid_source: params.selector_cloned(keys::VALID_SOURCE),
24            first_time_only: params.has("FirstTime"),
25            spell_only: params.has("Spell"),
26        })
27    }
28}
29
30#[typetag::serde]
31impl TriggerBehavior for TriggerLifeGained {
32    fn trigger_type(&self) -> TriggerType {
33        TriggerType::LifeGained
34    }
35
36    fn perform_test(&self, trigger: &Trigger, params: &RunParams, game: &GameState) -> bool {
37        if !trigger.matches_optional_valid_player_filter(&self.valid_player, params.player, game) {
38            return false;
39        }
40        if let Some(filter) = self.valid_source.as_ref() {
41            let source_matches = params
42                .source_card
43                .or(params.spell_card)
44                .is_some_and(|source| trigger.matches_valid_card_filter(filter, source, game));
45            if !source_matches {
46                return false;
47            }
48        }
49        if self.first_time_only && params.first_time != Some(true) {
50            return false;
51        }
52        if self.spell_only
53            && !params
54                .source_sa
55                .as_ref()
56                .or(params.spell_ability.as_ref())
57                .is_some_and(|sa| sa.is_spell)
58        {
59            return false;
60        }
61        true
62    }
63
64    fn set_triggering_objects(
65        &self,
66        _trigger: &Trigger,
67        sa: &mut SpellAbility,
68        params: &RunParams,
69        _game: &GameState,
70    ) {
71        if let Some(amount) = params.life_amount {
72            sa.set_triggering_object(crate::ability::AbilityKey::LifeAmount, amount.to_string());
73        }
74        if let Some(p) = params.player {
75            sa.set_triggering_object(crate::ability::AbilityKey::Player, p.0.to_string());
76        }
77    }
78
79    fn get_important_stack_objects(&self, _trigger: &Trigger, sa: &SpellAbility) -> String {
80        // Java: "Player: " + Player + ", GainedAmount: " + LifeAmount
81        format!(
82            "Player: {}, GainedAmount: {}",
83            sa.get_triggering_object(crate::ability::AbilityKey::Player)
84                .unwrap_or_default(),
85            sa.get_triggering_object(crate::ability::AbilityKey::LifeAmount)
86                .unwrap_or_default()
87        )
88    }
89}
manabrew_engine/trigger/trigger_life_gained.rs

manabrew_engine/trigger/
trigger_life_gained.rs
