native SetWeaponDamage(weaponid, Float:damage); - Установить размер урона 1 выстрелом
native GetWeaponDamage(weaponid); - Получить размер урона 1 выстрелом
native ResetWeaponDamage(weaponid = -1); - Вернуть по стандарту
native SetPlayerLife(playerid, &Float:amount); - Установить кол-во "жизни" у игрока (Бронь и ХП)
native GetPlayerLife(playerid, &Float:amount); - Получить кол-во "жизни" у игрока (Бронь и ХП)
native IsCorrectWeaponID(weaponid); - Проверка на наличие ID оружия в базе GTA.

public OnPlayerCommandText( playerid, cmdtext[] )
{
     new
         cmd[20],
         tmp[128],
         idx
     ;

     cmd = strtok(cmdtext, idx);

     if(!strcmp(cmd, "/setweapondamage", true))
     {
         new
             weaponid,
             amount
         ;
     
         tmp = strtok(cmdtext, idx);

         if(!strlen(tmp))
         {
             return SendClientMessage(playerid, -1, "USAGE: /setweapondamage [weaponid] [amount]");
         }

         weaponid = strval(tmp);

         tmp = strtok(cmdtext, idx);

         if(!strlen(tmp))
         {
             return SendClientMessage(playerid, -1, "USAGE: /setweapondamage [weaponid] [amount]");
         }

         amount = strval(tmp);

         SetWeaponDamage(weaponid, amount);

         return 1;
     }
     
     if(!strcmp( cmd, "/getweapondamage", true))
     {
         new
             msg[65]
         ;
         
         tmp = strtok(cmdtext, idx);

         if(!strlen(tmp))
         {
             return SendClientMessage(playerid, -1, "USAGE: /getweapondamage [weaponid]");
         }

         format(msg, 128, "WeaponID: %d - WeaponDamage: %f", strval(tmp), GetWeaponDamage(strval(tmp)));
         SendClientMessage(playerid, -1, msg);
         
         return 1;
     }
     
     if(!strcmp(cmd, "/resetweapondamage", true))
     {
         tmp = strtok(cmdtext, idx);

         if(!strlen(tmp))
         {
             return ResetWeaponDamage();
         }

         ResetWeaponDamage(strval(tmp));

         return 1;
     }
     
     if(!strcmp(cmd, "/setlife", true))
     {
         new
             id,
             amount
         ;

         tmp = strtok(cmdtext, idx);

         if( !strlen(tmp))
         {
             return SendClientMessage(playerid, -1, "USAGE: /setlife [playerid] [amount]");
         }
         
         id = strval(tmp);

         tmp = strtok(cmdtext, idx);

         if(!strlen(tmp))
         {
             return SendClientMessage(playerid, -1, "USAGE: /setlife [playerid] [amount]");
         }
         
         amount = strval(tmp);

         if(id == INVALID_PLAYER_ID)
         {
             return SendClientMessage(playerid, -1, "This player is not connected.");
         }
         
         SetPlayerLife(id, amount);

         return 1;
     }
     
     return 0;
}