manabrew_engine/trigger/
trigger_excess_damage.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 TriggerExcessDamage {
13    pub valid_source: Option<crate::parsing::CompiledSelector>,
14    pub valid_target: Option<crate::parsing::CompiledSelector>,
15}
16
17impl TriggerExcessDamage {
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 TriggerExcessDamage {
28    fn trigger_type(&self) -> TriggerType {
29        TriggerType::ExcessDamage
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        if let Some(card) = params.damage_target_card {
50            sa.set_triggering_object(crate::ability::AbilityKey::Target, card.0.to_string());
51        } else if let Some(player) = params.damage_target_player {
52            sa.set_triggering_object(crate::ability::AbilityKey::Target, player.0.to_string());
53        }
54        if let Some(amount) = params.damage_amount {
55            sa.set_triggering_object(crate::ability::AbilityKey::DamageAmount, amount.to_string());
56        }
57    }
58
59    fn get_important_stack_objects(
60        &self,
61        _trigger: &super::trigger::Trigger,
62        sa: &SpellAbility,
63    ) -> String {
64        // Java: "Damaged: " + Target + ", Amount: " + DamageAmount
65        format!(
66            "Damaged: {}, Amount: {}",
67            sa.get_triggering_object(crate::ability::AbilityKey::Target)
68                .unwrap_or_default(),
69            sa.get_triggering_object(crate::ability::AbilityKey::DamageAmount)
70                .unwrap_or_default()
71        )
72    }
73}
manabrew_engine/trigger/trigger_excess_damage.rs

manabrew_engine/trigger/
trigger_excess_damage.rs
