There already is a new comeputer TPS online game called "KIA" or Killed In Action, which took place in China Battlefield only.
http://www.kia.in.th/ The new feature is :
1.Skill and Perk system.(including supported-mortar fire, motov, and kamikaze slash)
2.Covering system. (you can hide behind many things)
3.Suppress fire system. (this make macine gunner really overpowered

)
4.China,Japan and a few USA,German,Russia equipment
5.Class system.(Medic, Scout, Assault, Support)
Things you should beware.
1.Because it's in beta state, it's still full of bug. (Type 100 smg is a piece of shit partly because of bug...)
2.This game was made by Thai company (VIRUS studio) , and servers was all hosted in Thailand. (for now)
3.The real-purchase gun is overpowered.
4.The free gun (the gun that were with you from the biginnings) is a piece of shit.
5.Only way to buy a permanent item is to purchase by real money.
6.They use unreal3 engine. (This make some computer crash while playing)
7.This game is 3rd person view.