manabrew_engine/trigger/
trigger_counter_added.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 TriggerCounterAdded {
13    pub valid_card: Option<crate::parsing::CompiledSelector>,
14    pub valid_player: Option<crate::parsing::CompiledSelector>,
15    pub valid_source: Option<crate::parsing::CompiledSelector>,
16    pub counter_type: Option<String>,
17    pub counter_amount: Option<String>,
18}
19
20impl TriggerCounterAdded {
21    pub fn parse(params: &Params) -> Box<dyn TriggerBehavior> {
22        Box::new(Self {
23            valid_card: params.selector_cloned(keys::VALID_CARD),
24            valid_player: params.selector_cloned(keys::VALID_PLAYER),
25            valid_source: params.selector_cloned(keys::VALID_SOURCE),
26            counter_type: params.get_cloned(keys::COUNTER_TYPE),
27            counter_amount: params.get_cloned("CounterAmount"),
28        })
29    }
30}
31
32#[typetag::serde]
33impl TriggerBehavior for TriggerCounterAdded {
34    fn trigger_type(&self) -> TriggerType {
35        TriggerType::CounterAdded
36    }
37
38    fn perform_test(
39        &self,
40        trigger: &super::trigger::Trigger,
41        params: &RunParams,
42        game: &GameState,
43    ) -> bool {
44        if !trigger.matches_optional_valid_card_filter(&self.valid_card, params.card, game) {
45            return false;
46        }
47        if let Some(filter) = &self.valid_player {
48            let Some(player) = params.player else {
49                return false;
50            };
51            if !trigger.matches_valid_player_filter(filter, player, game) {
52                return false;
53            }
54        }
55        if let Some(filter) = &self.valid_source {
56            let Some(source) = params.source_player else {
57                return false;
58            };
59            if !trigger.matches_valid_player_filter(filter, source, game) {
60                return false;
61            }
62        }
63        super::trigger::Trigger::matches_counter_type_filter(
64            &self.counter_type,
65            &params.counter_type,
66        ) && self.counter_amount.as_ref().is_none_or(|expected| {
67            let Some(actual) = params.counter_amount else {
68                return true;
69            };
70            let Some(operator) = expected.get(..2) else {
71                return false;
72            };
73            let Ok(operand) = expected[2..].parse::<i32>() else {
74                return false;
75            };
76            match operator {
77                "EQ" => actual == operand,
78                "NE" => actual != operand,
79                "GE" => actual >= operand,
80                "GT" => actual > operand,
81                "LE" => actual <= operand,
82                "LT" => actual < operand,
83                _ => false,
84            }
85        })
86    }
87
88    fn set_triggering_objects(
89        &self,
90        _trigger: &super::trigger::Trigger,
91        sa: &mut SpellAbility,
92        params: &RunParams,
93        _game: &GameState,
94    ) {
95        if let Some(card) = params.card {
96            sa.set_triggering_object(crate::ability::AbilityKey::Card, card.0.to_string());
97        }
98        if let Some(p) = params.player {
99            sa.set_triggering_object(crate::ability::AbilityKey::Player, p.0.to_string());
100        }
101    }
102
103    fn get_important_stack_objects(
104        &self,
105        _trigger: &super::trigger::Trigger,
106        sa: &SpellAbility,
107    ) -> String {
108        let card = sa.get_triggering_object(crate::ability::AbilityKey::Card);
109        let player = sa.get_triggering_object(crate::ability::AbilityKey::Player);
110        if let Some(c) = card {
111            format!("AddedOnce: {c}")
112        } else if let Some(p) = player {
113            format!("AddedOnce: {p}")
114        } else {
115            String::new()
116        }
117    }
118}
manabrew_engine/trigger/trigger_counter_added.rs

manabrew_engine/trigger/
trigger_counter_added.rs
