manabrew_engine/trigger/
trigger_blocks.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 TriggerBlocks {
13    pub valid_card: Option<crate::parsing::CompiledSelector>,
14    pub valid_blocked: Option<crate::parsing::CompiledSelector>,
15}
16
17impl TriggerBlocks {
18    pub fn parse(params: &Params) -> Box<dyn TriggerBehavior> {
19        Box::new(Self {
20            valid_card: params.selector_cloned(keys::VALID_CARD),
21            valid_blocked: params.selector_cloned(keys::VALID_BLOCKED),
22        })
23    }
24}
25
26#[typetag::serde]
27impl TriggerBehavior for TriggerBlocks {
28    fn trigger_type(&self) -> TriggerType {
29        TriggerType::Blocks
30    }
31
32    fn perform_test(
33        &self,
34        trigger: &super::trigger::Trigger,
35        params: &RunParams,
36        game: &GameState,
37    ) -> bool {
38        trigger.matches_optional_valid_card_filter(&self.valid_card, params.blocker, game)
39            && trigger.matches_optional_valid_card_filter(
40                &self.valid_blocked,
41                params.blocked_attacker,
42                game,
43            )
44    }
45
46    fn set_triggering_objects(
47        &self,
48        _trigger: &super::trigger::Trigger,
49        sa: &mut SpellAbility,
50        params: &RunParams,
51        _game: &GameState,
52    ) {
53        if let Some(blocker) = params.blocker {
54            sa.set_triggering_object(crate::ability::AbilityKey::Blocker, blocker.0.to_string());
55        }
56        if let Some(attackers) = params.attacker_ids.as_ref() {
57            let csv = attackers
58                .iter()
59                .map(|c| c.0.to_string())
60                .collect::<Vec<_>>()
61                .join(",");
62            sa.set_triggering_object(crate::ability::AbilityKey::Attackers, &csv);
63        }
64    }
65
66    fn get_important_stack_objects(
67        &self,
68        _trigger: &super::trigger::Trigger,
69        sa: &SpellAbility,
70    ) -> String {
71        format!(
72            "Blocker: {}",
73            sa.get_triggering_object(crate::ability::AbilityKey::Blocker)
74                .unwrap_or("")
75        )
76    }
77}
manabrew_engine/trigger/trigger_blocks.rs

manabrew_engine/trigger/
trigger_blocks.rs
