Implements BattleRandom class with support for Effect Chance, and script hooks to modify this.

src/Battling/Models/Battle.hpp

@@ -7,6 +7,7 @@
 #include "../Library/BattleLibrary.hpp"
 #include "../TurnChoices/BaseTurnChoice.hpp"
 #include "BattleParty.hpp"
+#include "BattleRandom.hpp"
 #include "BattleResult.hpp"
 #include "BattleSide.hpp"
 #include "CreatureIndex.hpp"
@@ -19,7 +20,7 @@ namespace CreatureLib::Battling {
         uint8_t _numberOfSides;
         uint8_t _creaturesPerSide;
         std::vector<BattleSide*> _sides;
-        Core::Random _random;
+        BattleRandom _random;
         ChoiceQueue* _currentTurnQueue = nullptr;
         bool _hasEnded = false;
         BattleResult _battleResult = BattleResult::Empty();
@@ -55,7 +56,7 @@ namespace CreatureLib::Battling {
         void CheckChoicesSetAndRun();
 
         [[nodiscard]] ChoiceQueue* GetCurrentTurnQueue() const;
-        Core::Random& GetRandom();
+        BattleRandom& GetRandom();
 
         bool CreatureInField(const Creature* creature) const;