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manabrew_engine/trigger/
trigger_damage_all.rs

1use serde::{Deserialize, Serialize};
2
3use crate::event::RunParams;
4use crate::game::GameState;
5use crate::parsing::{keys, Params};
6use crate::spellability::SpellAbility;
7use crate::trigger::TriggerType;
8
9use super::trigger::TriggerBehavior;
10
11#[derive(Debug, Clone, Serialize, Deserialize)]
12pub struct TriggerDamageAll {
13    pub valid_source: Option<crate::parsing::CompiledSelector>,
14    pub valid_target: Option<crate::parsing::CompiledSelector>,
15}
16
17impl TriggerDamageAll {
18    pub fn parse(params: &Params) -> Box<dyn TriggerBehavior> {
19        Box::new(Self {
20            valid_source: params.selector_cloned(keys::VALID_SOURCE),
21            valid_target: params.selector_cloned(keys::VALID_TARGET),
22        })
23    }
24}
25
26#[typetag::serde]
27impl TriggerBehavior for TriggerDamageAll {
28    fn trigger_type(&self) -> TriggerType {
29        TriggerType::DamageAll
30    }
31
32    fn perform_test(
33        &self,
34        trigger: &super::trigger::Trigger,
35        params: &RunParams,
36        game: &GameState,
37    ) -> bool {
38        trigger.matches_optional_valid_card_filter(&self.valid_source, params.damage_source, game)
39            && trigger.matches_damage_target_filter(&self.valid_target, params, game, false)
40    }
41
42    fn set_triggering_objects(
43        &self,
44        _trigger: &super::trigger::Trigger,
45        sa: &mut SpellAbility,
46        params: &RunParams,
47        _game: &GameState,
48    ) {
49        // Java: sets DamageAmount (total), Sources (set of source cards), Targets (set of target entities)
50        // from filtered CardDamageMap. We approximate with single source/target from params.
51        // TODO: Java filters the damage map by ValidSource/ValidTarget and computes totals.
52        if let Some(amount) = params.damage_amount {
53            sa.set_triggering_object(crate::ability::AbilityKey::DamageAmount, amount.to_string());
54        }
55        if let Some(src) = params.damage_source {
56            sa.set_triggering_object(crate::ability::AbilityKey::Sources, src.0.to_string());
57        }
58        if let Some(card) = params.damage_target_card {
59            sa.set_triggering_object(crate::ability::AbilityKey::Targets, card.0.to_string());
60        } else if let Some(player) = params.damage_target_player {
61            sa.set_triggering_object(crate::ability::AbilityKey::Targets, player.0.to_string());
62        }
63    }
64
65    fn get_important_stack_objects(
66        &self,
67        _trigger: &super::trigger::Trigger,
68        sa: &SpellAbility,
69    ) -> String {
70        // Java: "Damage Source: " + Sources + ", Damaged: " + Targets + ", Amount: " + DamageAmount
71        format!(
72            "Damage Source: {}, Damaged: {}, Amount: {}",
73            sa.get_triggering_object(crate::ability::AbilityKey::Sources)
74                .unwrap_or(""),
75            sa.get_triggering_object(crate::ability::AbilityKey::Targets)
76                .unwrap_or(""),
77            sa.get_triggering_object(crate::ability::AbilityKey::DamageAmount)
78                .unwrap_or("")
79        )
80    }
81}