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manabrew_engine/trigger/
trigger_collect_evidence.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 TriggerCollectEvidence {
12    pub valid_player: Option<crate::parsing::CompiledSelector>,
13}
14
15impl TriggerCollectEvidence {
16    pub fn parse(
17        valid_player: Option<crate::parsing::CompiledSelector>,
18    ) -> Box<dyn TriggerBehavior> {
19        Box::new(Self { valid_player })
20    }
21}
22
23#[typetag::serde]
24impl TriggerBehavior for TriggerCollectEvidence {
25    fn trigger_type(&self) -> TriggerType {
26        TriggerType::CollectEvidence
27    }
28
29    fn perform_test(
30        &self,
31        trigger: &super::trigger::Trigger,
32        params: &RunParams,
33        game: &GameState,
34    ) -> bool {
35        let _host_controller = trigger.base.card_trait_base.host_controller(game);
36        trigger.matches_optional_valid_player_filter(&self.valid_player, params.player, game)
37    }
38
39    fn set_triggering_objects(
40        &self,
41        _trigger: &super::trigger::Trigger,
42        sa: &mut SpellAbility,
43        params: &RunParams,
44        _game: &GameState,
45    ) {
46        if let Some(p) = params.player {
47            sa.set_triggering_object(crate::ability::AbilityKey::Player, p.0.to_string());
48        }
49    }
50
51    fn get_important_stack_objects(
52        &self,
53        _trigger: &super::trigger::Trigger,
54        sa: &SpellAbility,
55    ) -> String {
56        format!(
57            "Player: {}",
58            sa.trigger_objects
59                .get(&crate::ability::AbilityKey::Player)
60                .cloned()
61                .unwrap_or_default()
62        )
63    }
64}