disable weapon pickup

#include <sourcemod>
#include <cstrike>
#include <sdkhooks>
#include <multicolors>

public Plugin:myinfo =
{
        name = "PWAK Disable Weapon Pickup",
        author = "Pony With An AK",
        description = "STOP GIVING ME YOUR FUCKING GUN!",
        version = "1.0",
        url = "http://abstractbhop.com/"
}

public void OnPluginStart()
{
        RegConsoleCmd("sm_disablepickup", command_disablepickup, "Disable weapon pickup");
        RegConsoleCmd("sm_enablepickup", command_enablepickup, "Enable weapon pickup");
}

public Action:command_disablepickup(client, args)
{
         CReplyToCommand(client, "{blue}[Abstract] {default}Weapon pickup is disabled!");
         SDKHook(client, SDKHook_WeaponCanUse, OnWeaponThingy);
         CreateTimer(99999.0, UnblockClient, GetClientSerial(client));

         return Plugin_Handled;
}

public Action:command_enablepickup(client, args)
{
         CReplyToCommand(client, "{blue}[Abstract] {default}Weapon pickup is enabled!");
         SDKHook(client, SDKHook_WeaponCanUse, OnWeaponThingy);
         CreateTimer(0.0, UnblockClient, GetClientSerial(client));

         return Plugin_Handled;
}

public Action:UnblockClient(Handle:timer, any:serial)
{
    new client = GetClientFromSerial(serial);

    if (client != 0)
    {
        SDKUnhook(client, SDKHook_WeaponCanUse, OnWeaponThingy);
    }
}

public OnClientDisconnect(client)
{
    if (IsClientInGame(client))
    {
        SDKUnhook(client, SDKHook_WeaponCanUse, OnWeaponThingy);
    }
}

public Action:OnWeaponThingy(client, weapon)
{
    return Plugin_Handled;
}