Method IsItemUsable

src/game_party.cpp:269–321

}

bool Game_Party::IsItemUsable(int item_id, const Game_Actor* target) const {
	if (target && !target->IsItemUsable(item_id)) {
		return false;
	}

	const lcf::rpg::Item* item = lcf::ReaderUtil::GetElement(lcf::Data::items, item_id);
	if (!item) {
		Output::Warning("IsItemUsable: Invalid item ID {}", item_id);
		return false;
	}

	const auto* skill = lcf::ReaderUtil::GetElement(lcf::Data::skills, item->skill_id);
	const bool in_battle = Game_Battle::IsBattleRunning();

	if (item->use_skill) {
		// RPG_RT BUG: Does not check if skill is usable.
		return skill &&
			(in_battle
			 || skill->scope == lcf::rpg::Skill::Scope_self
			 || skill->scope == lcf::rpg::Skill::Scope_ally
			 || skill->scope == lcf::rpg::Skill::Scope_party);
	}

	switch (item->type) {
		case lcf::rpg::Item::Type_medicine:
			return !in_battle || !item->occasion_field1;
		case lcf::rpg::Item::Type_material:
		case lcf::rpg::Item::Type_book:
			return !in_battle;
		case lcf::rpg::Item::Type_switch:
			return in_battle ? item->occasion_battle : item->occasion_field2;
		case lcf::rpg::Item::Type_special:
			if (skill && Algo::IsSkillUsable(*skill, false)) {
				// RPG_RT requires one actor in the party and alive who can use the item.
				// But only if the item invokes a normal or subskill. This check is
				// not performed for escape, teleport, or switch skills!
				if (!Algo::IsNormalOrSubskill(*skill)) {
					return true;
				} else {
					for (auto* actor: GetActors()) {
						if (actor->CanAct() && actor->IsItemUsable(item_id)) {
							return true;
						}
					}
				}
			}
			return false;
		default:
			break;
	}

	return false;
}

bool Game_Party::UseItem(int item_id, Game_Actor* target) {
	bool was_used = false;