HI please could someone help me out, when i start the game everything is great i can buy perks and doors and weapons HOWEVER it doesnt show that i have the weapons nor my arm is visible and when i shoot i hear nothing yet it takes my points when i buy it can someone help me out please?
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You have to also add the weapons to your mod.csv if they are ported weapons so it should look like this e.g : weapon,sp/galil also the upgraded version like this e.g : weapon,sp/galil_upgraded otherwise the pap will not give it to you, also if it is not a ported weapon If you go to the 2d view in radiant and right click then selct misc / Prefab / zombiemode / weapon_upgrade_thompson or whatever gun you want.

You have to also add the weapons to your mod.csv if they are ported weapons so it should look like this e.g : weapon,sp/galil also the upgraded version like this e.g : weapon,sp/galil_upgraded otherwise the pap will not give it to you, also if it is not a ported weapon If you go to the 2d view in radiant and right click then selct misc / Prefab / zombiemode / weapon_upgrade_thompson or whatever gun you want.

That is true, and you also need to include any models you are using for that gun, continuing that example:

mod.csv should look like this:
weapon,sp/galil
weapon,sp/galil_upgraded
xmodel,bo1_galil_viewmodel
xmodel,bo1_galil_worldmodel

Sometimes its also necessary to include anims here aswell, but that only seems to be for guns from MW3/BO2

if so, use:   xanim,viewmodel_galil_reload     for example