Immigrants would bring appropriate tools to do their job. Ever hear of a carpenter who didn't have his own tools?
I like this, immigrant that has his chosen trade bringing his tools would be nice touch. And you could always get off dwarf who comes without tools or who comes with masterpiece chisel.
Also, basic tools could be given for "free" to embark dwarves who are past novice.
This would remove much of hassle when embarking - you can not "forget" to take tools.
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I support tool ideas because:
- as said, if you have tools, you can have dwarf masterpiece tools, and all the nice interactions. And not mentioning artifact tools ...
- since adventurer mode is going to have them, they are going find their way to fortress mode anyway, and it would be weird if caravan brings saw and none of your carpenters is interested and continues to make chairs by chewing away the excess wood off log.
- more fun potential, more "oh crap, my jewelcrafter fell to river and drowned, i have to recover his grinding stone!".
- as said, to craftsman, his tools are very important. even today: i could write code in notepad and compile with commandline javac, but i use eclipse and ant because those are apropriate tools.
- producing quality tools for everyone is nice side goal for developed fortress or when attempting megaconstruction.
This gives potential for cool scenarios: older dwarf giving his tools to his son to continue family trade/son inheriting it and getting happy though when allowed to take on his ancestors trade to use it. Blacksmith ending his apprenticeship by creating his own toolset. Particulary evil mason murdering his coleague just to get his artefact tools (or, just plainly stealing them). Engravings of McUrist and his trusty fishing pole which he nicknamed "carpkiller".
Craftsman does not necesarily have to require tools to work, but he should not be exactly happy with that setup, nor should he work effectivelly/have quality output without them. I'd expect your 20 newly appointed masons to at least form union/guild and refuse to work with just bare hands.
Oh, and anyone who does "home improvement" thing can tell you that having tools is damned important
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