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manabrew_engine/trigger/
trigger_evolved.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::TriggerBehavior;
10
11#[derive(Debug, Clone, Serialize, Deserialize)]
12pub struct TriggerEvolved {
13    pub valid_card: Option<crate::parsing::CompiledSelector>,
14}
15
16impl TriggerEvolved {
17    pub fn parse(params: &Params) -> Box<dyn TriggerBehavior> {
18        Box::new(Self {
19            valid_card: params.selector_cloned(keys::VALID_CARD),
20        })
21    }
22}
23
24#[typetag::serde]
25impl TriggerBehavior for TriggerEvolved {
26    fn trigger_type(&self) -> TriggerType {
27        TriggerType::Evolved
28    }
29
30    fn perform_test(
31        &self,
32        trigger: &super::trigger::Trigger,
33        params: &RunParams,
34        game: &GameState,
35    ) -> bool {
36        let _host_card = trigger.base.card_trait_base.host_card_id();
37        let _host_controller = trigger.base.card_trait_base.host_controller(game);
38        trigger.matches_optional_valid_card_filter(&self.valid_card, params.card, game)
39    }
40
41    fn set_triggering_objects(
42        &self,
43        _trigger: &super::trigger::Trigger,
44        sa: &mut SpellAbility,
45        params: &RunParams,
46        _game: &GameState,
47    ) {
48        if let Some(card) = params.card {
49            sa.set_triggering_object(crate::ability::AbilityKey::Card, card.0.to_string());
50        }
51    }
52
53    fn get_important_stack_objects(
54        &self,
55        _trigger: &super::trigger::Trigger,
56        sa: &SpellAbility,
57    ) -> String {
58        format!(
59            "Evolved: {}",
60            sa.get_triggering_object(crate::ability::AbilityKey::Card)
61                .unwrap_or_default()
62        )
63    }
64}