manabrew_engine/trigger/
trigger_discover.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 TriggerDiscover {
13    pub valid_player: Option<crate::parsing::CompiledSelector>,
14}
15
16impl TriggerDiscover {
17    pub fn parse(params: &Params) -> Box<dyn TriggerBehavior> {
18        Box::new(Self {
19            valid_player: params.selector_cloned(keys::VALID_PLAYER),
20        })
21    }
22}
23
24#[typetag::serde]
25impl TriggerBehavior for TriggerDiscover {
26    fn trigger_type(&self) -> TriggerType {
27        TriggerType::Discover
28    }
29
30    fn perform_test(
31        &self,
32        trigger: &super::trigger::Trigger,
33        params: &RunParams,
34        game: &GameState,
35    ) -> bool {
36        let _host_controller = trigger.base.card_trait_base.host_controller(game);
37        trigger.matches_optional_valid_player_filter(&self.valid_player, params.player, game)
38    }
39
40    fn set_triggering_objects(
41        &self,
42        _trigger: &super::trigger::Trigger,
43        sa: &mut SpellAbility,
44        params: &RunParams,
45        _game: &GameState,
46    ) {
47        if let Some(p) = params.player {
48            sa.set_triggering_object(crate::ability::AbilityKey::Player, p.0.to_string());
49        }
50        if let Some(n) = params.num {
51            sa.set_triggering_object(crate::ability::AbilityKey::Amount, n.to_string());
52        }
53    }
54
55    fn get_important_stack_objects(
56        &self,
57        _trigger: &super::trigger::Trigger,
58        sa: &SpellAbility,
59    ) -> String {
60        format!(
61            "Player: {}, Amount: {}",
62            sa.get_triggering_object(crate::ability::AbilityKey::Player)
63                .unwrap_or_default(),
64            sa.get_triggering_object(crate::ability::AbilityKey::Amount)
65                .unwrap_or_default()
66        )
67    }
68}
manabrew_engine/trigger/trigger_discover.rs

manabrew_engine/trigger/
trigger_discover.rs
