manabrew_engine/trigger/
trigger_scry.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::{Trigger, TriggerBehavior};
10
11#[derive(Debug, Clone, Serialize, Deserialize)]
12pub struct TriggerScry {
13    pub valid_player: Option<crate::parsing::CompiledSelector>,
14}
15
16impl TriggerScry {
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 TriggerScry {
26    fn trigger_type(&self) -> TriggerType {
27        TriggerType::Scry
28    }
29
30    fn perform_test(&self, trigger: &Trigger, params: &RunParams, game: &GameState) -> bool {
31        let _host_controller = trigger.base.card_trait_base.host_controller(game);
32        trigger.matches_optional_valid_player_filter(&self.valid_player, params.player, game)
33    }
34
35    fn set_triggering_objects(
36        &self,
37        _trigger: &Trigger,
38        sa: &mut SpellAbility,
39        params: &RunParams,
40        _game: &GameState,
41    ) {
42        if let Some(p) = params.player {
43            sa.set_triggering_object(crate::ability::AbilityKey::Player, p.0.to_string());
44        }
45        if let Some(n) = params.num {
46            sa.set_triggering_object(crate::ability::AbilityKey::ScryNum, n.to_string());
47        }
48        // TODO: port ScryBottom triggering object (AbilityKey.ScryBottom) - field not yet in RunParams
49    }
50
51    fn get_important_stack_objects(&self, _trigger: &Trigger, sa: &SpellAbility) -> String {
52        format!(
53            "Scryer: {}, {}",
54            sa.trigger_objects
55                .get(&crate::ability::AbilityKey::Player)
56                .map(|s| s.as_str())
57                .unwrap_or(""),
58            sa.trigger_objects
59                .get(&crate::ability::AbilityKey::ScryNum)
60                .map(|s| s.as_str())
61                .unwrap_or("")
62        )
63    }
64}
manabrew_engine/trigger/trigger_scry.rs

manabrew_engine/trigger/
trigger_scry.rs
