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manabrew_engine/staticability/
static_ability_max_counter.rs

1use forge_foundation::ZoneType;
2
3use crate::card::{valid_filter, Card, CounterType};
4use crate::parsing::CompiledSelector;
5use crate::staticability::StaticMode;
6
7pub fn max_counter(cards: &[Card], target: &Card, counter_type: &CounterType) -> Option<i32> {
8    let _perf_scope =
9        crate::perf::ParamsLookupScopeGuard::enter(crate::perf::ParamsLookupScope::StaticAbility);
10    let mut result: Option<i32> = None;
11    for source in cards.iter().filter(|c| c.zone == ZoneType::Battlefield) {
12        for st_ab in source
13            .static_abilities
14            .iter()
15            .filter(|sa| sa.check_mode(&StaticMode::MaxCounter))
16        {
17            if let Some(parsed) = st_ab.ir.counter_type.as_ref() {
18                if *parsed != *counter_type {
19                    continue;
20                }
21            }
22            if !matches_valid_card(st_ab.ir.valid_card.as_ref(), target, source) {
23                continue;
24            }
25            let value = st_ab.ir.max_num.unwrap_or(0);
26            result = Some(result.map_or(value, |v| v.min(value)));
27        }
28    }
29    result
30}
31
32fn matches_valid_card(valid: Option<&CompiledSelector>, card: &Card, source: &Card) -> bool {
33    valid_filter::matches_valid_card_selector_opt(valid, card, source)
34}