manabrew_engine/trigger/
trigger_milled_once.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 TriggerMilledOnce {
13    pub valid_card: Option<crate::parsing::CompiledSelector>,
14    pub valid_player: Option<crate::parsing::CompiledSelector>,
15}
16
17impl TriggerMilledOnce {
18    pub fn parse(params: &Params) -> Box<dyn TriggerBehavior> {
19        Box::new(Self {
20            valid_card: params.selector_cloned(keys::VALID_CARD),
21            valid_player: params.selector_cloned(keys::VALID_PLAYER),
22        })
23    }
24}
25
26#[typetag::serde]
27impl TriggerBehavior for TriggerMilledOnce {
28    fn trigger_type(&self) -> TriggerType {
29        TriggerType::MilledOnce
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        if !trigger.matches_optional_valid_player_filter(&self.valid_player, params.player, game) {
41            return false;
42        }
43        let Some(cards) = params.cards.as_ref() else {
44            return false;
45        };
46        cards.iter().any(|&cid| {
47            trigger.matches_optional_valid_card_filter(&self.valid_card, Some(cid), game)
48        })
49    }
50
51    fn set_triggering_objects(
52        &self,
53        _trigger: &super::trigger::Trigger,
54        sa: &mut SpellAbility,
55        params: &RunParams,
56        _game: &GameState,
57    ) {
58        // TODO: port ValidCard filtering from Java (CardLists.getValidCards)
59        if let Some(cards) = params.cards.as_ref() {
60            let csv = cards
61                .iter()
62                .map(|c| c.0.to_string())
63                .collect::<Vec<_>>()
64                .join(",");
65            sa.set_triggering_object(crate::ability::AbilityKey::Cards, &csv);
66            sa.set_triggering_object(crate::ability::AbilityKey::Amount, cards.len().to_string());
67        }
68        if let Some(p) = params.player {
69            sa.set_triggering_object(crate::ability::AbilityKey::Player, p.0.to_string());
70        }
71    }
72
73    fn get_important_stack_objects(
74        &self,
75        _trigger: &super::trigger::Trigger,
76        sa: &SpellAbility,
77    ) -> String {
78        format!(
79            "Player: {}",
80            sa.trigger_objects
81                .get(&crate::ability::AbilityKey::Player)
82                .map(|s| s.as_str())
83                .unwrap_or("")
84        )
85    }
86}
manabrew_engine/trigger/trigger_milled_once.rs

manabrew_engine/trigger/
trigger_milled_once.rs
