Bullet Penetration in Day of Defeat: Source

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Similar to Bullet Penetration in Counter-Strike: Source, this article aims to answer all the questions map makers might have about bullet penetration in Day of Defeat:Source.

A screenshot from hammer with the bulletdev map loaded.

Setup

The way I set this test up was to create a map with 80 walls, each 1 unit bigger then the last. I then went through and found out which exact wall size stopped a bullet from the variable gun. If you want a copy of my test map, download here. To run the tests yourself, download that map, add whatever player_start entity you need and run the map. When you shoot the glass, if you bullet goes through then that means its wallable. To change the material for the glass, do not replace the glass texture! A much, much eaiser way is to goto surfaceproperties.txt and change the glass's material to whatever you want. The character's are listed below.

Results

	Glass (Y)	Wood (W)	Metal (M)	Concrete ([C] default)	Flesh (F)
Mp40	23	6	3	6	32
Thompson	22	6	3	6	29
Mp44	27	8	4	8	40
Bar	46	13	7	13	67
K98	80+	23	11	23	80
Garand	55	15	8	15	73
K98 Scoped	80	30	15	30	80
Springfield	80	30	15	30	80
Mg42	71	20	10	20	80
30cal	71	20	10	20	80
C96	22	6	3	6	29
Carbine	21	6	3	6	29

These values represent the thickness of the wall that stops the bullet. On an intersting side note, when I got to a wall that would stop my bullet, I could still make bullet holes on the breakable surface I put right behind it. Meaning, if you were shooting at someone partly through a wall and you saw blood on them, theres a chance you did no damage whatsoever, because you were shooting through a wall that is exactly the same size of the penetration limit for your gun.

As you can see from the data, most objects have very little penetration to them. Even wood, which should be atleast half as penetrable as glass.

Dependance on outside files

The penetration values for certain materials can be changed. In the weapon files there is a property called 'Penetration,' this does absolutly nothing. One way to change a material's penetration value is to change the material type in surefaceproperties.txt. I also found another way which is to increase the damage done by the guns. For example, in regular dods the garand does 80 damage, when bumped up to 120 the garand was stopped at 65 units rather then 55.