manabrew_engine/replacement/
replace_attached.rs

1//! Replacement logic for `Event$ Attached`.
2//!
3//! Mirrors Java `ReplaceAttached.java` in `forge/game/replacement/`.
4
5use crate::card::Card;
6use crate::game::GameState;
7use crate::ids::CardId;
8
9use super::replacement_effect::ReplacementEffect;
10use super::replacement_handler::ReplacementEvent;
11use super::replacement_result::ReplacementResult;
12use super::replacement_type::ReplacementType;
13use crate::card_trait_base::CardTrait;
14
15/// Mirrors Java `ReplaceAttached.canReplace()`.
16pub fn can_replace(
17    effect: &ReplacementEffect,
18    event: &ReplacementEvent,
19    game: &GameState,
20    source_card: &Card,
21) -> bool {
22    if effect.event != ReplacementType::Attached {
23        return false;
24    }
25    let (card, target) = match event {
26        ReplacementEvent::Attached { card, target } => (*card, *target),
27        _ => return false,
28    };
29    let attach_card = &game.cards[card.index()];
30    if let Some(valid) = effect.ir.valid_card_selector.as_ref() {
31        if !effect.matches_compiled_valid_card(valid, attach_card, source_card) {
32            return false;
33        }
34    }
35    let target_card = &game.cards[target.index()];
36    if let Some(valid_target) = effect.ir.valid_target_selector.as_ref() {
37        if !effect.matches_compiled_valid_card(valid_target, target_card, source_card) {
38            return false;
39        }
40    }
41    true
42}
43
44/// Mirrors Java `ReplacementHandler.executeReplacement()` for Attached.
45pub fn execute(
46    effect: &ReplacementEffect,
47    _event: &mut ReplacementEvent,
48    _game: &GameState,
49    _source_card_id: CardId,
50) -> ReplacementResult {
51    if effect.prevents() || effect.has_skip() {
52        return ReplacementResult::Skipped;
53    }
54    ReplacementResult::Replaced
55}
manabrew_engine/replacement/replace_attached.rs

manabrew_engine/replacement/
replace_attached.rs
