Skip to main content

manabrew_engine/ability/effects/
replace_damage_effect.rs

1//! ReplaceDamage effect — replace damage with another effect.
2//!
3//! Ported from Java's `ReplaceDamageEffect.java`.
4
5use super::EffectContext;
6
7/// Struct form of this effect so it can participate in the
8/// `SpellAbilityEffect` trait hierarchy — mirrors Java's
9/// `ReplaceDamageEffect` class extending `SpellAbilityEffect`.
10#[manabrew_engine_macros::spell_effect(ReplaceDamageEffect)]
11fn resolve(ctx: &mut EffectContext, sa: &crate::spellability::SpellAbility) {
12    // Damage replacement is handled by the replacement handler system.
13    // This effect registers or configures the replacement.
14    if let Some(source_id) = sa.source {
15        if let Some(val) = sa.ir.damage_amount_text.as_deref() {
16            ctx.game
17                .card_mut(source_id)
18                .set_s_var("ReplaceDamageAmount", val);
19        }
20    }
21}