manabrew_engine/trigger/
trigger_counter_removed_once.rs1use 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 ¶ms.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}