Fixes invalid pointers to a battle dangling when a battle is removed.

Signed-off-by: Deukhoofd <Deukhoofd@gmail.com>

CInterface/Battling/Battle.cpp

@@ -84,4 +84,6 @@ export uint8_t CreatureLib_Battle_RegisterEventListener(Battle* p, void (*func)(
 }
 export const HistoryHolder* CreatureLib_Battle_GetHistory(Battle* p) { return &p->GetHistory(); }
 
+export uint8_t CreatureLib_Battle_EndBattle(Battle* p) { Try(p->EndBattle()) }
+
 SIMPLE_GET_FUNC(Battle, GetLastTurnTimeMicroseconds, long);

src/Battling/Flow/TurnHandler.cpp

@@ -6,11 +6,11 @@
 
 using namespace CreatureLib::Battling;
 
-void TurnHandler::RunTurn(ArbUt::BorrowedPtr<ChoiceQueue> queue) {
+void TurnHandler::RunTurn(ArbUt::BorrowedPtr<ChoiceQueue> queue, ArbUt::BorrowedPtr<Battle> battle) {
     for (auto choice : queue->GetInnerQueue()) {
         HOOK(OnBeforeTurn, choice, choice.get());
     }
-    while (queue->HasNext()) {
+    while (queue->HasNext() && !battle->HasEnded()) {
         auto item = queue->Dequeue();
         EnsureNotNull(item)
         Ensure(item->GetUser()->GetBattle().HasValue())

src/Battling/Flow/TurnHandler.hpp

@@ -20,7 +20,7 @@ namespace CreatureLib::Battling {
         static void ExecuteFleeChoice(ArbUt::BorrowedPtr<FleeTurnChoice> choice);
 
     public:
-        static void RunTurn(ArbUt::BorrowedPtr<ChoiceQueue> queue);
+        static void RunTurn(ArbUt::BorrowedPtr<ChoiceQueue> queue, ArbUt::BorrowedPtr<Battle> battle);
     };
 }
 

src/Battling/Models/Battle.cpp

@@ -79,7 +79,7 @@ void Battle::CheckChoicesSetAndRun() {
     this->_currentTurnQueue = std::make_unique<ChoiceQueue>(choices);
     TriggerEventListener<TurnStartEvent>();
     try {
-        TurnHandler::RunTurn(this->_currentTurnQueue);
+        TurnHandler::RunTurn(this->_currentTurnQueue, this);
     } catch (const ArbUt::Exception& e) {
         throw e;
     } catch (const std::exception& e) {
@@ -133,7 +133,7 @@ void Battle::ValidateBattleState() {
         auto side = _sides[i];
         if (side->HasFled()) {
             this->_battleResult = BattleResult::Inconclusive();
-            this->_hasEnded = true;
+            EndBattle();
             return;
         }
         if (!side->IsDefeated()) {
@@ -146,11 +146,11 @@ void Battle::ValidateBattleState() {
     }
     if (!survivingSideExists) {
         this->_battleResult = BattleResult::Inconclusive();
-        this->_hasEnded = true;
+        EndBattle();
         return;
     }
     this->_battleResult = BattleResult::Conclusive(winningSide);
-    this->_hasEnded = true;
+    EndBattle();
 }
 void Battle::AddVolatileScript(const ArbUt::StringView& key) {
     auto script = _volatile.Get(key);

src/Battling/Models/Battle.hpp

@@ -116,6 +116,18 @@ namespace CreatureLib::Battling {
         const HistoryHolder& GetHistory() const noexcept { return _historyHolder; }
 
         long GetLastTurnTimeMicroseconds() const noexcept { return _lastTurnTime; }
+
+        void EndBattle() {
+            this->_hasEnded = true;
+            for (size_t i = 0; i < _numberOfSides; i++) {
+                auto side = _sides[i];
+                for (auto c : side->GetCreatures()) {
+                    if (c.HasValue()) {
+                        c.GetValue()->ClearBattleData();
+                    }
+                }
+            }
+        }
     };
 }
 

src/Battling/Models/Creature.cpp

@@ -100,8 +100,10 @@ namespace CreatureLib::Battling {
         _side = side.GetRaw();
         this->ResetActiveScripts();
     }
-
-    // region Stat APIs
+    void Creature::ClearBattleData() noexcept {
+        _battle = nullptr;
+        _side = nullptr;
+    }
 
     bool Creature::ChangeStatBoost(Library::Statistic stat, int8_t diffAmount) {
         bool changed = false;
@@ -133,8 +135,6 @@ namespace CreatureLib::Battling {
         this->_boostedStats.SetStat(stat, s);
     }
 
-    // endregion
-
     const ArbUt::OptionalBorrowedPtr<Battle>& Creature::GetBattle() const { return _battle; }
 
     const ArbUt::OptionalBorrowedPtr<BattleSide>& Creature::GetBattleSide() const { return _side; }

src/Battling/Models/Creature.hpp

@@ -105,6 +105,7 @@ namespace CreatureLib::Battling {
         inline uint32_t GetCurrentHealth() const noexcept { return _currentHealth; }
 
         void SetBattleData(const ArbUt::BorrowedPtr<Battle>& battle, const ArbUt::BorrowedPtr<BattleSide>& side);
+        void ClearBattleData() noexcept;
         const ArbUt::OptionalBorrowedPtr<Battle>& GetBattle() const;
         const ArbUt::OptionalBorrowedPtr<BattleSide>& GetBattleSide() const;
         inline void SetOnBattleField(bool value) { _onBattleField = value; }