update 1.12.3

Hot fix (1.12.3)

• Enemy

1. Melee enemies have been changed to stop when they are within range.
2. "KillComboRank" are now added when enemies are dropped by player power.

• Weapon

Shooting during a sprint will now point the gun for a period of time while maintaining the sprint.

• Game play option

1. You can now choose to lose your weapon when you restart.
2. You can now choose whether or not to use permadeath.

• Bug fix

1. Fixed an issue where the audio would not fade out when clearing the level.
2. Fixed an issue where AO brightness was inverted.
3. Fixed an issue where muzzle flashes would not appear on some weapons.