diff --git a/server/gameserver/hero_agent.cc b/server/gameserver/hero_agent.cc
index 51535081..584bbd91 100644
--- a/server/gameserver/hero_agent.cc
+++ b/server/gameserver/hero_agent.cc
@@ -21,6 +21,7 @@
 #include "loot.h"
 #include "car.h"
 #include "roomobstacle.h"
+#include "weapon.h"
 
 #include "mt/Hero.h"
 #include "mt/Equip.h"
@@ -1449,3 +1450,44 @@ behaviac::EBTStatus HeroAgent::Pickup()
          };
     return StartCoroutine(co);
 }
+
+bool HeroAgent::CanThrowItem(int slot)
+{
+    if (owner_->downed) {
+        return false;
+    }
+    if (owner_->IsCar()) {
+        return false;
+    }
+    if (owner_->HasBuffEffect(kBET_Jump) ||
+        owner_->HasBuffEffect(kBET_Fly)) {
+        return false;
+    }
+    if (owner_->GetActionType() == AT_Reload ||
+        owner_->GetActionType() == AT_Rescue ||
+        owner_->GetActionType() == AT_UseItem ||
+        owner_->GetActionType() == AT_Relive) {
+        return false;
+    }
+
+    if (!(slot == IS_FRAG || slot == IS_SMOKE || slot == IS_MOLOTOR_COCKTAIL)) {
+        return false;
+    }
+    if (slot > 0 && slot < owner_->weapons.size()) {
+        Weapon& weapon = owner_->weapons[slot];
+        if (weapon.weapon_idx != 0 &&
+            weapon.meta &&
+            weapon.ammo > 0) {
+            return true;
+        }
+    }
+    return false;
+}
+
+behaviac::EBTStatus HeroAgent::ThrowItem(int slot)
+{
+    if (!CanThrowItem(slot)) {
+        return behaviac::BT_FAILURE;
+    }
+    return behaviac::BT_FAILURE;
+}
diff --git a/server/gameserver/hero_agent.h b/server/gameserver/hero_agent.h
index 4a110a1a..5763e718 100644
--- a/server/gameserver/hero_agent.h
+++ b/server/gameserver/hero_agent.h
@@ -92,9 +92,7 @@ public:
     int SearchPickupObj();
     bool PickupObjIsValid();
     void AbandonPickup(int min_time, int max_time);
-    bool HasThrowItem(int slot);
     bool CanThrowItem(int slot);
-    bool ThrowItem(int slot);
 
     behaviac::EBTStatus RegisterEvents(behaviac::vector<BtEvent_e> events);
     behaviac::EBTStatus ClearEvents();
@@ -103,6 +101,7 @@ public:
     behaviac::EBTStatus DebugOut(std::string msg, int arg0, int arg1, int arg2);
     behaviac::EBTStatus RandomSafeZonePoint(int try_count, int step_len);
     behaviac::EBTStatus Pickup();
+    behaviac::EBTStatus ThrowItem(int slot);
 
     behaviac::EBTStatus CoIdle(int min_val, int max_val);
     behaviac::EBTStatus CoMoveCurrentTargetRaycast();