S.T.A.L.K.E.R Game Modifying S.T.A.L.K.E.R's Weapons tutorial

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Firstly download.

The S.T.A.L.K.E.R .db extractor and follow its instructions.
Moddb.com

Then open
program files\THQ\S.T.A.L.K.E.R. - Shadow of Chernobyl\gamedata\config\weapons

Then use note pad to edit the file w_walther.ltx

You should see something like this.

Note: I have cut this down and highlighted the main part's to edit.

Weapon cost.
cost = 800 ;300

Max ammo
ammo_limit = 120

Current ammo
ammo_current = 96

Max ammo in magazine
ammo_mag_size = 16

Type of ammo this gun can fire
ammo_class = ammo_9x19_fmj, ammo_9x19_pbp

How many can you carry?
hand_dependence = 1
Not sure about this one, somthing to do with dual weapons i assume.
single_handed = 1

Shell ejection point in 3d space x,y,z
shell_point = 0.0, 0.136, 0.03
shell_dir = 0.0, 0.0, 0.4
shell_particles = weapons\generic_shells

Accuracy modifiers multipliers, 1 is standard and 1.5 is .5 times better i believe (Needs confirmation)
PDM_disp_base = 1.0
PDM_disp_vel_factor = 0.5
PDM_disp_accel_factor = 0.5
PDM_crouch = 1.0
PDM_crouch_no_acc = 1.0

Weapon damages the higher the number the more damage
hit_power = 0.31, 0.35, 0.38, 0.41
Amount of impact the bullet has
hit_impulse = 125

Wound type will affect the results of bleeding etc
hit_type = fire_wound

How far it can shoot! the number after the ; i belive is the max
fire_distance = 50 ;1000

How fast is the bullet a bullet at 10 will be like a crossbow bolt
bullet_speed = 300 ;280

Rounds per minute, how fast the gun can shoot.
rpm = 315

Bullet configs with the silencer addon same rules as above
silencer_hit_power = 0.37
silencer_hit_impulse = 105
silencer_fire_distance = 100
silencer_bullet_speed = 280

Starting ammo
;startup_ammo = 90
Model file for the model.
visual = weapons\walter_99\wpn_walter_99.ogf

Weapon addons, 1 addon is enabled, 2 attachable, 0 is addon not enabled
scope_status = 0 ; 0 - no addon
silencer_status = 0;2 ; 1 - permanent
grenade_launcher_status = 0 ; 2 - attachable

Can this zoom and if so how much so
zoom_enabled = true
scope_zoom_factor = 55
zoom_hide_crosshair = true ;to hide crosshair in zoom

Have fun mixing ammo and modding some weapons.

Once you have edited these, save the file open your game and when you look at the pistol you will notice the weapon stat and info has changed.

:) Enjoy

Modding stalker also mods your save files and guns within them.!