Editing ItemTrade and NPC

So tried so add some new NPC to NPC.bin , new npc work perfectly. The problem i encounter is that when i put items in the NPC they seem to be invisible , and i cant buy them or see them . So if some1 ever had this problem... lets share it here. Other Q i've got is where do i change Item's Price , NPC Group Name(meaning - WEP NPC has 2 groups - 1Handed and 2Handed weps, at the top of the NPC screen - how do i change that Text to say for example Event ITems or something else :)) etc.... :) :) thx in advance

For changing price it's in each bin . for ex weapon in itemweapon bin.
byte format: 4|4|50|50|4|4|4|4 <---price
byte format : 4|4|50|50 <--- korean name (according to chinese script)

Since i never play with with npc.bin but so far itemtrade.bin format
4|NPC ID
4|item
1|grade <???
51|group name < 51 byte i think it's probably just description since size is more than 4 byte

It's just my basic knowledge...you can use premade data script for columns reference ...cmiiw :D

Npc id Matters it can be find on scripts/npc.txt as for npc there you can only edit what they will sell (Witch type of seller or npc meaning r5 teleport job change sundriess weapon range or any other 10000000000 shits they can have) also how the look and name/description the .txt folder's i would not advice you to edit them since noone reads the speach of the npc.

I do not understand about this, the Group was taken from where, because when I edit it in an item in the npc is not visible. Can anyone explain in detail or tutorial

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You can ascribe any Group to any NPC, it doesn't matter.
There's only one thing you need to remember about, namely there are some NPCs for weapons, and some NPCs for armors, potions, scrolls, etc - as you probably know.
That's the point: e.g. to the Armor Merchant you can attribute just ARMORS.
If you will attribute armors to Weapon Merchant, items won't be visible.

Quote:

Originally Posted by Marcus1106 You can ascribe any Group to any NPC, it doesn't matter. There's only one thing you need to remember about, namely there are some NPCs for weapons, and some NPCs for armors, potions, scrolls, etc - as you probably know. That's the point: e.g. to the Armor Merchant you can attribute just ARMORS. If you will attribute armors to Weapon Merchant, items won't be visible.

Thanks for the explanation. This's very helpful

Quote:

Originally Posted by dedeernet Thanks for the explanation. This's very helpful

You're welcome! I hope that will help you.