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manabrew_engine/trigger/
trigger_become_monarch.rs

1use serde::{Deserialize, Serialize};
2
3use crate::parsing::{keys, Params};
4use crate::{event::RunParams, game::GameState, spellability::SpellAbility, trigger::TriggerType};
5
6use super::trigger::TriggerBehavior;
7
8#[derive(Debug, Clone, Serialize, Deserialize)]
9pub struct TriggerBecomeMonarch {
10    pub valid_player: Option<crate::parsing::CompiledSelector>,
11}
12
13impl TriggerBecomeMonarch {
14    pub fn parse(params: &Params) -> Box<dyn TriggerBehavior> {
15        Box::new(Self {
16            valid_player: params.selector_cloned(keys::VALID_PLAYER),
17        })
18    }
19}
20
21#[typetag::serde]
22impl TriggerBehavior for TriggerBecomeMonarch {
23    fn trigger_type(&self) -> TriggerType {
24        TriggerType::BecomeMonarch
25    }
26
27    fn perform_test(
28        &self,
29        trigger: &super::trigger::Trigger,
30        params: &RunParams,
31        game: &GameState,
32    ) -> bool {
33        let _host_controller = trigger.base.card_trait_base.host_controller(game);
34        trigger.matches_optional_valid_player_filter(&self.valid_player, params.player, game)
35    }
36
37    fn set_triggering_objects(
38        &self,
39        _trigger: &super::trigger::Trigger,
40        sa: &mut SpellAbility,
41        params: &RunParams,
42        _game: &GameState,
43    ) {
44        if let Some(p) = params.player {
45            sa.set_triggering_object(crate::ability::AbilityKey::Player, p.0.to_string());
46        }
47    }
48
49    fn get_important_stack_objects(
50        &self,
51        _trigger: &super::trigger::Trigger,
52        sa: &SpellAbility,
53    ) -> String {
54        format!(
55            "Player: {}, ",
56            sa.get_triggering_object(crate::ability::AbilityKey::Player)
57                .unwrap_or("")
58        )
59    }
60}