Revert "[Random Crash] PointerExpired"

This reverts commit e91510d.

Author: DeathFishAtEase

src/Ext/WeaponType/Body.h

@@ -12,7 +12,6 @@ class WeaponTypeExt
 
 	static constexpr DWORD Canary = 0x22222222;
 	static constexpr size_t ExtPointerOffset = 0x18;
-	static constexpr bool ShouldConsiderInvalidatePointer = true;
 
 	class ExtData final : public Extension<WeaponTypeClass>
 	{
@@ -204,14 +203,13 @@ class WeaponTypeExt
 
 		virtual void LoadFromINIFile(CCINIClass* pINI) override;
 		virtual void Initialize() override;
-		virtual void InvalidatePointer(void* ptr, bool bRemoved) override;
+		virtual void InvalidatePointer(void* ptr, bool bRemoved) override { }
 		virtual void LoadFromStream(PhobosStreamReader& Stm) override;
 		virtual void SaveToStream(PhobosStreamWriter& Stm) override;
 
 	private:
 		template <typename T>
 		void Serialize(T& Stm);
-		static void LaserTrackerPointerExpired(AbstractClass* pInvalid, bool removed);
 	};
 
 	class ExtContainer final : public Container<WeaponTypeExt>

src/Misc/Hooks.LaserDraw.cpp

@@ -88,20 +88,6 @@ namespace LaserRT
 	}
 }
 
-void WeaponTypeExt::ExtData::InvalidatePointer(void* ptr, bool bRemoved)
-{
-	LaserTrackerPointerExpired(static_cast<AbstractClass*>(ptr), bRemoved);
-}
-
-void WeaponTypeExt::ExtData::LaserTrackerPointerExpired(AbstractClass* pInvalid, bool removed)
-{
-	for (auto& [pLaser, data] : LaserRT::g_Trackers)
-	{
-		if (data.Shooter == pInvalid || data.Target == pInvalid)
-			data.IsActive = false;
-	}
-}
-
 static void RemoveLaserTracking(LaserDrawClass* pLaser)
 {
 	LaserRT::g_Trackers.erase(pLaser);
@@ -327,7 +313,7 @@ DEFINE_HOOK(0x550173, LaserDrawClass_Update_UpdateCoords, 6)
 
 	if (followFirer)
 	{
-		if (!info.Shooter->IsDead())
+		if (ObjectClass::Array.FindItemIndex(info.Shooter) != -1 && !info.Shooter->IsDead())
 		{
 			CoordStruct flh = TechnoExt::GetFLHAbsoluteCoords(info.Shooter, info.SavedRelativeFLH, true);
 			pLaser->Source = flh;
@@ -341,7 +327,7 @@ DEFINE_HOOK(0x550173, LaserDrawClass_Update_UpdateCoords, 6)
 
 	if (followTarget)
 	{
-		if (!info.IsFloorTarget && !info.Target->IsDead())
+		if (!info.IsFloorTarget && ObjectClass::Array.FindItemIndex(info.Target) != -1 && !info.Target->IsDead())
 		{
 			CoordStruct tgt;
 			info.Target->GetTargetCoords(&tgt);