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manabrew_engine/trigger/
trigger_rolled_die_once.rs

1use serde::{Deserialize, Serialize};
2
3use crate::event::RunParams;
4use crate::game::GameState;
5use crate::parsing::compare::compare_expr;
6use crate::parsing::{keys, Params};
7use crate::spellability::SpellAbility;
8use crate::trigger::TriggerType;
9
10use super::trigger::TriggerBehavior;
11
12#[derive(Debug, Clone, Serialize, Deserialize)]
13pub struct TriggerRolledDieOnce {
14    pub valid_player: Option<crate::parsing::CompiledSelector>,
15    pub valid_result: Option<String>,
16    pub valid_sides: Option<String>,
17    pub rolled_to_visit_attractions: bool,
18}
19
20impl TriggerRolledDieOnce {
21    pub fn parse(params: &Params) -> Box<dyn TriggerBehavior> {
22        Box::new(Self {
23            valid_player: params.selector_cloned(keys::VALID_PLAYER),
24            valid_result: params.get_cloned(keys::VALID_RESULT),
25            valid_sides: params.get_cloned(keys::VALID_SIDES),
26            rolled_to_visit_attractions: params.has("RolledToVisitAttractions"),
27        })
28    }
29}
30
31#[typetag::serde]
32impl TriggerBehavior for TriggerRolledDieOnce {
33    fn trigger_type(&self) -> TriggerType {
34        TriggerType::RolledDieOnce
35    }
36
37    fn perform_test(
38        &self,
39        trigger: &super::trigger::Trigger,
40        params: &RunParams,
41        game: &GameState,
42    ) -> bool {
43        let _host_controller = trigger.base.card_trait_base.host_controller(game);
44        if !trigger.matches_optional_valid_player_filter(&self.valid_player, params.player, game) {
45            return false;
46        }
47        if self.rolled_to_visit_attractions && params.rolled_to_visit_attractions != Some(true) {
48            return false;
49        }
50        if let Some(filter) = self.valid_result.as_ref() {
51            let Some(result) = params.die_result else {
52                return false;
53            };
54            if !compare_expr(result, filter) {
55                return false;
56            }
57        }
58        if let Some(filter) = self.valid_sides.as_ref() {
59            let Some(sides) = params.die_sides else {
60                return false;
61            };
62            if !compare_expr(sides, filter) {
63                return false;
64            }
65        }
66        true
67    }
68
69    fn set_triggering_objects(
70        &self,
71        _trigger: &super::trigger::Trigger,
72        sa: &mut SpellAbility,
73        params: &RunParams,
74        _game: &GameState,
75    ) {
76        if let Some(result) = params.die_result {
77            sa.set_triggering_object(crate::ability::AbilityKey::Result, result.to_string());
78        }
79        if let Some(p) = params.player {
80            sa.set_triggering_object(crate::ability::AbilityKey::Player, p.0.to_string());
81        }
82    }
83
84    fn get_important_stack_objects(
85        &self,
86        _trigger: &super::trigger::Trigger,
87        sa: &SpellAbility,
88    ) -> String {
89        format!(
90            "Player: {}, Result: {}",
91            sa.trigger_objects
92                .get(&crate::ability::AbilityKey::Player)
93                .map(|s| s.as_str())
94                .unwrap_or(""),
95            sa.trigger_objects
96                .get(&crate::ability::AbilityKey::Result)
97                .map(|s| s.as_str())
98                .unwrap_or("")
99        )
100    }
101}