Added lots of security using asserts.

src/Battling/TurnChoices/AttackTurnChoice.hpp

@@ -29,6 +29,7 @@ namespace CreatureLib::Battling {
     public:
         AttackTurnChoice(Creature* user, LearnedAttack* attack, const CreatureIndex& target)
             : BaseTurnChoice(user), _attack(attack), _target(target) {
+            AssertNotNull(attack)
             ResolveScript();
         }
         AttackTurnChoice(Creature* user, LearnedAttack* attack, const CreatureIndex& target, Script* script)

src/Battling/TurnChoices/BaseTurnChoice.hpp

@@ -1,6 +1,7 @@
 #ifndef CREATURELIB_BASETURNCHOICE_HPP
 #define CREATURELIB_BASETURNCHOICE_HPP
 
+#include <Arbutils/Assert.hpp>
 #include "../ScriptHandling/ScriptSource.hpp"
 #include "TurnChoiceKind.hpp"
 

src/Battling/TurnChoices/SwitchTurnChoice.hpp

@@ -7,7 +7,9 @@ namespace CreatureLib::Battling {
         Creature* _newCreature;
 
     public:
-        SwitchTurnChoice(Creature* user, Creature* newCreature) : BaseTurnChoice(user), _newCreature(newCreature) {}
+        SwitchTurnChoice(Creature* user, Creature* newCreature) : BaseTurnChoice(user), _newCreature(newCreature) {
+            AssertNotNull(_newCreature)
+        }
 
         TurnChoiceKind GetKind() const final { return TurnChoiceKind::Switch; }