Fix building / engineSetPoolCapacity crashes (#3625)

* Fix crash with engineSetPoolCapacity

Author: TheNormalnij

Client/game_sa/CGameSA.cpp

@@ -1005,18 +1005,14 @@ void CGameSA::GetShaderReplacementStats(SShaderReplacementStats& outStats)
     m_pRenderWare->GetShaderReplacementStats(outStats);
 }
 
-void CGameSA::RemoveAllBuildings(bool clearBuildingRemoval)
+void CGameSA::RemoveAllBuildings()
 {
     m_pIplStore->SetDynamicIplStreamingEnabled(false);
 
     m_pPools->GetDummyPool().RemoveAllBuildingLods();
     m_pPools->GetBuildingsPool().RemoveAllBuildings();
 
     auto pBuildingRemoval = static_cast<CBuildingRemovalSA*>(m_pBuildingRemoval);
-    if (clearBuildingRemoval)
-    {
-        pBuildingRemoval->ClearRemovedBuildingLists();
-    }
     pBuildingRemoval->DropCaches();
 
     m_isBuildingsRemoved = true;
@@ -1036,7 +1032,7 @@ bool CGameSA::SetBuildingPoolSize(size_t size)
     const bool shouldRemoveBuilding = !m_isBuildingsRemoved;
     if (shouldRemoveBuilding)
     {
-        RemoveAllBuildings(false);
+        RemoveAllBuildings();
     }
     else
     {

Client/game_sa/CGameSA.h

@@ -303,7 +303,7 @@ class CGameSA : public CGame
     PostWeaponFireHandler*  m_pPostWeaponFireHandler;
     TaskSimpleBeHitHandler* m_pTaskSimpleBeHitHandler;
 
-    void RemoveAllBuildings(bool clearBuildingRemoval = true);
+    void RemoveAllBuildings();
     void RestoreGameBuildings();
 
     bool SetBuildingPoolSize(size_t size);

Client/mods/deathmatch/logic/CClientBuilding.cpp

@@ -145,7 +145,7 @@ void CClientBuilding::Destroy()
     if (!m_pBuilding)
         return;
 
-    if (m_pHighBuilding)
+    if (m_pHighBuilding && m_pHighBuilding->IsValid())
     {
         m_pHighBuilding->GetBuildingEntity()->SetLod(nullptr);
     }

Client/sdk/game/CGame.h

@@ -268,7 +268,7 @@ class __declspec(novtable) CGame
     virtual int32_t GetBaseIDforSCM() = 0;
     virtual int32_t GetCountOfAllFileIDs() = 0;
 
-    virtual void RemoveAllBuildings(bool clearBuildingRemoval = true) = 0;
+    virtual void RemoveAllBuildings() = 0;
     virtual void RestoreGameBuildings() = 0;
 
     virtual bool SetBuildingPoolSize(size_t size) = 0;