manabrew_engine/trigger/
trigger_countered.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 TriggerCountered {
12    pub valid_card: Option<crate::parsing::CompiledSelector>,
13    pub valid_cause: Option<crate::parsing::CompiledSelector>,
14    pub valid_sa: Option<String>,
15}
16
17impl TriggerCountered {
18    pub fn parse(
19        valid_card: Option<crate::parsing::CompiledSelector>,
20        valid_cause: Option<crate::parsing::CompiledSelector>,
21        valid_sa: Option<String>,
22    ) -> Box<dyn TriggerBehavior> {
23        Box::new(Self {
24            valid_card,
25            valid_cause,
26            valid_sa,
27        })
28    }
29}
30
31#[typetag::serde]
32impl TriggerBehavior for TriggerCountered {
33    fn trigger_type(&self) -> TriggerType {
34        TriggerType::Countered
35    }
36
37    fn perform_test(
38        &self,
39        trigger: &super::trigger::Trigger,
40        params: &RunParams,
41        game: &GameState,
42    ) -> bool {
43        if !trigger.matches_optional_valid_card_filter(&self.valid_card, params.card, game) {
44            return false;
45        }
46        if let Some(filter) = &self.valid_cause {
47            if let Some(cause) = params.cause.as_ref() {
48                let Some(cause_card) = cause.source else {
49                    return false;
50                };
51                if !trigger.matches_valid_card_filter(filter, cause_card, game) {
52                    return false;
53                }
54            } else {
55                return false;
56            }
57        }
58        if let Some(filter) = &self.valid_sa {
59            if let Some(countered_sa) = params.spell_ability.as_ref() {
60                if !trigger.matches_valid_sa_filter(filter, countered_sa) {
61                    return false;
62                }
63            } else {
64                return false;
65            }
66        }
67        true
68    }
69
70    fn set_triggering_objects(
71        &self,
72        _trigger: &super::trigger::Trigger,
73        sa: &mut SpellAbility,
74        params: &RunParams,
75        _game: &GameState,
76    ) {
77        // Java: sa.setTriggeringObjectsFrom(runParams, AbilityKey.Card, AbilityKey.Cause, AbilityKey.CounteredSA)
78        if let Some(card) = params.card {
79            sa.set_triggering_object(crate::ability::AbilityKey::Card, card.0.to_string());
80        }
81        // TODO: Java also sets Cause (SpellAbility) and CounteredSA (SpellAbility) from runParams.
82        // Skipping Cause and CounteredSA for now since SpellAbility is complex and stored as object in Java.
83    }
84
85    fn get_important_stack_objects(
86        &self,
87        _trigger: &super::trigger::Trigger,
88        sa: &SpellAbility,
89    ) -> String {
90        // Java: "Countered: " + Card + ", Cause: " + Cause
91        format!(
92            "Countered: {}, Cause: {}",
93            sa.get_triggering_object(crate::ability::AbilityKey::Card)
94                .unwrap_or(""),
95            sa.get_triggering_object(crate::ability::AbilityKey::Cause)
96                .unwrap_or("")
97        )
98    }
99}
manabrew_engine/trigger/trigger_countered.rs

manabrew_engine/trigger/
trigger_countered.rs
