manabrew_engine/trigger/
trigger_counter_removed_once.rs

1use serde::{Deserialize, Serialize};
2
3use crate::event::RunParams;
4use crate::game::GameState;
5use crate::spellability::SpellAbility;
6use crate::trigger::TriggerType;
7
8use super::trigger::TriggerBehavior;
9
10#[derive(Debug, Clone, Serialize, Deserialize)]
11pub struct TriggerCounterRemovedOnce {
12    pub valid_card: Option<crate::parsing::CompiledSelector>,
13    pub counter_type: Option<String>,
14}
15
16impl TriggerCounterRemovedOnce {
17    pub fn parse(
18        valid_card: Option<crate::parsing::CompiledSelector>,
19        counter_type: Option<String>,
20    ) -> Box<dyn TriggerBehavior> {
21        Box::new(Self {
22            valid_card,
23            counter_type,
24        })
25    }
26}
27
28#[typetag::serde]
29impl TriggerBehavior for TriggerCounterRemovedOnce {
30    fn trigger_type(&self) -> TriggerType {
31        TriggerType::CounterRemovedOnce
32    }
33
34    fn perform_test(
35        &self,
36        trigger: &super::trigger::Trigger,
37        params: &RunParams,
38        game: &GameState,
39    ) -> bool {
40        trigger.matches_optional_valid_card_filter(&self.valid_card, params.card, game)
41            && super::trigger::Trigger::matches_counter_type_filter(
42                &self.counter_type,
43                &params.counter_type,
44            )
45    }
46
47    fn set_triggering_objects(
48        &self,
49        _trigger: &super::trigger::Trigger,
50        sa: &mut SpellAbility,
51        params: &RunParams,
52        _game: &GameState,
53    ) {
54        if let Some(card) = params.card {
55            sa.set_triggering_object(crate::ability::AbilityKey::Card, card.0.to_string());
56        }
57        if let Some(amount) = params.counter_amount {
58            sa.set_triggering_object(crate::ability::AbilityKey::Amount, amount.to_string());
59        }
60    }
61
62    fn get_important_stack_objects(
63        &self,
64        _trigger: &super::trigger::Trigger,
65        sa: &SpellAbility,
66    ) -> String {
67        format!(
68            "RemovedFrom: {}, Amount: {}",
69            sa.get_triggering_object(crate::ability::AbilityKey::Card)
70                .unwrap_or_default(),
71            sa.get_triggering_object(crate::ability::AbilityKey::Amount)
72                .unwrap_or_default()
73        )
74    }
75}
manabrew_engine/trigger/trigger_counter_removed_once.rs

manabrew_engine/trigger/
trigger_counter_removed_once.rs
