Ammo system

Need your help! This mod now face some problems about code. It will be a nice mod,but there are some problems and I don't know how to fix it. If you see this,and you are a mod maker of Forts,can you help me to fix these problem? I try to add a ammo system into Forts,but there isn't have a API to let weapon can't fire when "ammo" == 0,so I have to use similar fake weapons instead it,then use UpgradeDevice to let weapons upgrade to the same fake weapon that don't have projectile,so that the weapons can't fire,but there are still some problems. problems: In code,not all the weapon can get the ammo number from corresponding ammo table,especially the team 2. The missile2 weapon cannot use script to upgrade,it will case error,maybe is the problem of weapons_list.lua or other somewhere. Most problem are in the scruipt.lua,Thanks a lot! In order to prevent plagiarism in China, I compiled the code. If you really want to help me solve these problems, I have packaged the source code as code.zip, stored in the ui folder, and the decompression password is 123456