manabrew_engine/trigger/
trigger_becomes_target_once.rs

1use serde::{Deserialize, Serialize};
2
3use crate::{
4    event::RunParams,
5    game::GameState,
6    parsing::{keys, Params},
7    spellability::SpellAbility,
8    trigger::TriggerType,
9};
10
11use super::trigger::TriggerBehavior;
12
13#[derive(Debug, Clone, Serialize, Deserialize)]
14pub struct TriggerBecomesTargetOnce {
15    pub valid_card: Option<crate::parsing::CompiledSelector>,
16}
17
18impl TriggerBecomesTargetOnce {
19    pub fn parse(params: &Params) -> Box<dyn TriggerBehavior> {
20        Box::new(Self {
21            valid_card: params.selector_cloned(keys::VALID_CARD),
22        })
23    }
24}
25
26#[typetag::serde]
27impl TriggerBehavior for TriggerBecomesTargetOnce {
28    fn trigger_type(&self) -> TriggerType {
29        TriggerType::BecomesTargetOnce
30    }
31
32    fn perform_test(
33        &self,
34        trigger: &super::trigger::Trigger,
35        params: &RunParams,
36        game: &GameState,
37    ) -> bool {
38        let _host_card = trigger.base.card_trait_base.host_card_id();
39        let _host_controller = trigger.base.card_trait_base.host_controller(game);
40        trigger.matches_optional_valid_card_filter(&self.valid_card, params.card, game)
41    }
42
43    fn set_triggering_objects(
44        &self,
45        _trigger: &super::trigger::Trigger,
46        sa: &mut SpellAbility,
47        params: &RunParams,
48        _game: &GameState,
49    ) {
50        // Java: sa.setTriggeringObjectsFrom(runParams, AbilityKey.SourceSA, AbilityKey.Targets);
51        // SourceSA is a complex object; we store what we can
52        // Java: sa.setTriggeringObject(AbilityKey.Source, ((SpellAbility) runParams.get(AbilityKey.SourceSA)).getHostCard());
53        if let Some(ref source_sa) = params.source_sa {
54            if let Some(source_card) = source_sa.source {
55                sa.set_triggering_object(
56                    crate::ability::AbilityKey::Source,
57                    source_card.0.to_string(),
58                );
59            }
60        } else if let Some(source) = params.source_card {
61            sa.set_triggering_object(crate::ability::AbilityKey::Source, source.0.to_string());
62        }
63        // Targets from the batch targeting event
64        if let Some(card) = params.target_card.or(params.card) {
65            sa.set_triggering_object(crate::ability::AbilityKey::Targets, card.0.to_string());
66        } else if let Some(p) = params.target_player {
67            sa.set_triggering_object(crate::ability::AbilityKey::Targets, p.0.to_string());
68        }
69    }
70
71    fn get_important_stack_objects(
72        &self,
73        _trigger: &super::trigger::Trigger,
74        sa: &SpellAbility,
75    ) -> String {
76        format!(
77            "Source: {}, Targets: {}",
78            sa.get_triggering_object(crate::ability::AbilityKey::Source)
79                .unwrap_or(""),
80            sa.get_triggering_object(crate::ability::AbilityKey::Targets)
81                .unwrap_or("")
82        )
83    }
84}
manabrew_engine/trigger/trigger_becomes_target_once.rs

manabrew_engine/trigger/
trigger_becomes_target_once.rs
