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//! RollPlanarDice — roll the planar die (Planechase).
//! Ported from Java's RollPlanarDiceEffect: rolls the planar die which
//! can result in Planeswalk, Chaos, or blank.
use super::EffectContext;
use crate::event::RunParams;
use crate::replacement::replacement_handler::{apply_replacements, ReplacementEvent};
use crate::replacement::ReplacementResult;
use crate::trigger::TriggerType;
/// Struct form of this effect so it can participate in the
/// `SpellAbilityEffect` trait hierarchy — mirrors Java's
/// `RollPlanarDiceEffect` class extending `SpellAbilityEffect`.
#[manabrew_engine_macros::spell_effect(RollPlanarDiceEffect)]
fn resolve(ctx: &mut EffectContext, sa: &crate::spellability::SpellAbility) {
// Run RollPlanarDice replacement effects before rolling.
let mut event = ReplacementEvent::RollPlanarDice {
player: sa.activating_player,
};
let repl_result = apply_replacements(ctx.game, &mut event);
if repl_result == ReplacementResult::Skipped || repl_result == ReplacementResult::Replaced {
return;
}
// Roll 1-6: 1 = Planeswalk, 2 = Chaos, 3-6 = Blank
let result = ctx.rng.next_int(6) + 1;
match result {
1 => {
// Planeswalk trigger
ctx.trigger_handler.run_trigger(
TriggerType::Planeswalk,
RunParams {
player: Some(sa.activating_player),
..Default::default()
},
false,
);
}
2 => {
// Chaos trigger
ctx.trigger_handler.run_trigger(
TriggerType::ChaosEnsues,
RunParams {
player: Some(sa.activating_player),
..Default::default()
},
false,
);
}
_ => {
// Blank — nothing happens
}
}
}