Struct ChooseSourceEffect 

pub struct ChooseSourceEffect;

Trait Implementations

impl SpellAbilityEffect for ChooseSourceEffect

fn resolve(ctx: &mut EffectContext<'_>, sa: &SpellAbility)

SP$ ChooseSource — the activating player chooses a source (permanent/spell). Stores the result for subsequent effects.

Mirrors Java’s ChooseSourceEffect.java.

• Choices$ — filter for valid sources (default: Permanent on battlefield).

Card script examples

A:SP$ ChooseSource | Choices$ Permanent

Struct form of this effect so it can participate in the SpellAbilityEffect trait hierarchy — mirrors Java’s ChooseSourceEffect class extending SpellAbilityEffect.

fn get_stack_description(sa: &SpellAbility) -> String

Return the stack description for this effect. Defaults to the spell ability’s own description.

fn build_spell_ability(_sa: &mut SpellAbility)

Build/configure the spell ability after construction. Default is a no-op; some effects override this to add parameters.

fn tokenize_string(game: &GameState, sa: &SpellAbility, desc: &str) -> String

Tokenize a description string, replacing CARDNAME with the card’s name. Mirrors Java’s SpellAbilityEffect.tokenizeString(SpellAbility, String).

fn add_forget_on_moved_trigger( game: &mut GameState, host_id: CardId, remembered_card_id: CardId, )

Add a “forget on moved” trigger for remembered cards. Mirrors Java’s SpellAbilityEffect.addForgetOnMovedTrigger(SpellAbility, Card, String).

fn create_effect( game: &mut GameState, sa: &SpellAbility, name: &str, image: &str, ) -> CardId

Create a temporary effect card in the command zone. Mirrors Java’s SpellAbilityEffect.createEffect(SpellAbility, Player, String, String).

fn run(ctx: &mut EffectContext<'_>, sa: &SpellAbility)

Run the effect (resolve entry point). Mirrors Java’s SpellAbilityEffect.run(SpellAbility).

fn handle_exiled_with( game: &mut GameState, sa: &SpellAbility, exiled_card_id: CardId, )

Track which card exiled another card, for “exile until” effects. Mirrors Java’s SpellAbilityEffect.handleExiledWith(SpellAbility, Card).

fn exile_effect_command( game: &mut GameState, trigger_handler: &mut TriggerHandler, sa: &SpellAbility, card_id: CardId, )

Execute the exile-with command. Mirrors Java’s SpellAbilityEffect.exileEffectCommand(Game, SpellAbility, Card).

fn get_stack_description_with_subs( game: &GameState, sa: &SpellAbility, ) -> String

Full stack-description with sub-ability concatenation. Mirrors Java SpellAbilityEffect.getStackDescriptionWithSubs(Map, SpellAbility).

fn get_new_chooser( game: &GameState, agents: &mut [Box<dyn PlayerAgent>], sa: &SpellAbility, loser: PlayerId, ) -> Option<PlayerId>

Resolve a replacement chooser when the original lost the game (CR 800.4g). Mirrors Java SpellAbilityEffect.getNewChooser(SpellAbility, Player).