on matrix how come some npcs randome walk and some just dont?

as title say, some npcs randome walk but npcs in cities dont

Because they are disabled or juts not added in NPC.java

nope they are not disabled.
for some reason some walk some don't

It may be you have some npcs disabled from random walking.

In NPC.java;

Search -

Code:

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setRandomWalk(false);

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If you want an Npc to walk add:

Code:

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                if (id == NPCHERE)
                        setRandomWalk(false);

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