diff --git a/include/reclasses/CTFPlayerShared.hpp b/include/reclasses/CTFPlayerShared.hpp
new file mode 100644
index 00000000..610d1647
--- /dev/null
+++ b/include/reclasses/CTFPlayerShared.hpp
@@ -0,0 +1,13 @@
+class CTFPlayerShared
+{
+public:
+    inline static float GetCritMult(CTFPlayerShared *self)
+    {
+        return ((fminf(fmaxf(*(unsigned(self) + 672) * 0.0039215689f, 0.0f), 1.0f) * 3.0f) + 1.0f);
+    }
+    inline static bool IsCritBoosted(CTFPlayerShared *self)
+    {
+        // TODO signature
+        return false;
+    }
+};
\ No newline at end of file
diff --git a/include/reclasses/C_BaseEntity.hpp b/include/reclasses/C_BaseEntity.hpp
index 3aec4f3b..9cb7cddf 100644
--- a/include/reclasses/C_BaseEntity.hpp
+++ b/include/reclasses/C_BaseEntity.hpp
@@ -15,6 +15,11 @@ public:
         typedef bool(*fn_t)(IClientEntity *);
         return vfunc<fn_t>(self, offsets::PlatformOffset(184, offsets::undefined, 184), 0)(self);
     }
+    inline int& m_nPredictionRandomSeed()
+    {
+        static int placeholder = 0;
+        return placeholder;
+    }
 };
 
 
diff --git a/include/reclasses/C_BasePlayer.hpp b/include/reclasses/C_BasePlayer.hpp
new file mode 100644
index 00000000..77ca47bc
--- /dev/null
+++ b/include/reclasses/C_BasePlayer.hpp
@@ -0,0 +1,8 @@
+class C_BasePlayer: public C_BaseEntity
+{
+public:
+    inline static CTFPlayerShared& shared_(IClientEntity *self)
+    {
+        return *((CTFPlayerShared *)(unsigned(self) + 6092))
+    }
+};
\ No newline at end of file
diff --git a/include/reclasses/C_TFWeaponBase.hpp b/include/reclasses/C_TFWeaponBase.hpp
index 39a4a04f..c7042b60 100644
--- a/include/reclasses/C_TFWeaponBase.hpp
+++ b/include/reclasses/C_TFWeaponBase.hpp
@@ -40,6 +40,59 @@ public:
         typedef bool(*fn_t)(IClientEntity *);
         return vfunc<fn_t>(self, offsets::PlatformOffset(461, offsets::undefined, 461), 0)(self);
     }
+    inline static bool CanFireCriticalShot(IClientEntity *self, bool unknown1, IClientEntity *unknown2)
+    {    
+        typedef bool(*fn_t)(IClientEntity *, bool, IClientEntity *);
+        return vfunc<fn_t>(self, offsets::PlatformOffset(489, offsets::undefined, 489), 0)(self, unknown1, unknown2);
+    }
+    inline static void AddToCritBucket(IClientEntity *self, float value)
+    {
+        constexpr float max_bucket_capacity = 1000.0f;
+        bucket = fminf(bucket_() + value, max_bucket_capacity);
+    }
+    inline static bool IsAllowedToWithdrawFromCritBucket(IClientEntity *self, float value)
+    {
+        uint16_t weapon_info_handle = weapon_info_handle_(self);
+        void *weapon_info = nullptr; // GetFileWeaponInfoFromHandle(weapon_info_handle);
+        /*
+        if (!weapon_info->unk_1736)
+        {
+            
+        }
+        */
+    }
+    inline static bool CalcIsAttackCriticalHelper_re(IClientEntity *self)
+    {
+        IClientEntity *owner = GetOwnerViaInterface(self);
+        
+        if (owner == nullptr)
+            return false;
+        
+        if (!C_BaseEntity::IsPlayer(owner))
+            return false;
+        
+        CTFPlayerShared *shared = C_BasePlayer::shared_(owner);
+        float critmult = CTFPlayerShared::GetCritMult(shared);
+        if (!CanFireCriticalShot(self, 0, nullptr))
+            return false;
+        
+        if (CTFPlayerShared::IsCritBoosted(shared))
+            return true;
+            
+        
+        float multiplier = 0.5f;
+        int seed = C_BaseEntity::m_nPredictionRandomSeed() ^ (owner->entindex() | self->entindex());
+        RandomSeed(seed);
+        
+        bool result = true;
+        if (multiplier * 10000.0f <= RandomInt(0, 9999))
+        {
+            result = false;
+            multiplier = 0.0f;
+        }
+        
+        return false;
+    }
     inline static int CalcIsAttackCritical(IClientEntity *self)
     {
         IClientEntity *owner = GetOwnerViaInterface(self);
@@ -78,6 +131,10 @@ public:
 
         return 0;
     }
+    inline static uint16_t& weapon_info_handle_(IClientEntity *self)
+    {
+        return *(uint16_t *)(unsigned(self) + 2750u);
+    }
     inline static float& crit_bucket_(IClientEntity *self)
     {
         return *(float *)(unsigned(self) + 2616u);
diff --git a/include/reclasses/reclasses.hpp b/include/reclasses/reclasses.hpp
index 14140341..36f3342a 100644
--- a/include/reclasses/reclasses.hpp
+++ b/include/reclasses/reclasses.hpp
@@ -13,6 +13,8 @@ namespace re
 {
 
 #include "C_BaseEntity.hpp"
+#include "CTFPlayerShared.hpp"
+#include "C_BasePlayer.hpp"
 #include "C_BaseCombatWeapon.hpp"
 #include "C_TFWeaponBase.hpp"
 #include "C_TFWeaponBaseMelee.hpp"