GetPlayerWeaponSlot(client, slot);

new String:secweapon[32], weapindex=GetPlayerWeaponSlot(client, 1);
if(weapindex <= 0 || !IsValidEdict(weapindex)) return Plugin_Handled;
GetEdictClassname(weapindex, secweapon, sizeof(secweapon));
PrintToChat(client, "У вас в 1 слоте оружие %s", secweapon);

#include <sourcemod>
#include <sdktools>

public OnPluginStart()
{
  RegConsoleCmd("checkweapons", checkweapons);
}

public Action:checkweapons(client, args)
{
  new String:secweapon[32], weapindex=-1;  
  for(new i = 0; i < 5; i++)
  {
   weapindex=GetPlayerWeaponSlot(client, i);
   if(weapindex <= 0 || !IsValidEdict(weapindex)) continue;
   GetEdictClassname(weapindex, secweapon, sizeof(secweapon));  
   PrintToChat(client, "Slot #%i | Weapon: %s(%i)", i, secweapon, weapindex);
  }
  return Plugin_Handled;
}

new g_AmmoOffset = -1;

public OnPluginStart()
{
      g_AmmoOffset = FindSendPropInfo("CCSPlayer", "m_iAmmo");
}
//какая то функция где считаются грены
        new number_of_hegrenades = GetEntData(client, g_AmmoOffset + 44);
        new number_of_flashbangs = GetEntData(client, g_AmmoOffset + 48);
        new number_of_smokegrenades = GetEntData(client, g_AmmoOffset + 52);
//

if(GetPlayerWeaponSlot(client, 4) != -1)
{
PrintToChatAll("Есть бомба");
}