Adds support for changing variant by variant name.

src/Battling/Models/Creature.cpp

@@ -56,6 +56,14 @@ namespace CreatureLib::Battling {
         ChangeVariant(variant);
     }
 
+    void Battling::Creature::ChangeVariant(const ArbUt::StringView& variantName) {
+        auto opt = _species->TryGetVariant(variantName);
+        if (!opt.has_value()) {
+            THROW("Unknown variant: ", variantName);
+        }
+        ChangeVariant(opt.value());
+    }
+
     void Creature::ChangeVariant(const ArbUt::BorrowedPtr<const Library::SpeciesVariant>& variant) {
         _variant = variant;
 
@@ -430,4 +438,4 @@ Battling::Creature::~Creature() {
     if (_battleData.OnBattleField && _battleData.Side.HasValue()) {
         _battleData.Side.GetValue()->ForceClearCreature(_battleData.Index.GetCreatureIndex());
     }
-}
+}

src/Battling/Models/Creature.hpp

@@ -92,6 +92,7 @@ namespace CreatureLib::Battling {
         inline const ArbUt::BorrowedPtr<const Library::SpeciesVariant>& GetVariant() const noexcept { return _variant; }
         virtual void ChangeSpecies(const ArbUt::BorrowedPtr<const Library::CreatureSpecies>& species,
                                    const ArbUt::BorrowedPtr<const Library::SpeciesVariant>& variant);
+        virtual void ChangeVariant(const ArbUt::StringView& variantName);
         virtual void ChangeVariant(const ArbUt::BorrowedPtr<const Library::SpeciesVariant>& variant);
         inline level_int_t GetLevel() const noexcept { return _level; }
         inline uint32_t GetExperience() const noexcept { return _experience; }