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[Loctavus]

I am working on an alternative source of iron. This was just to see how possible it was, and I think it almost is. The basis of it is growing plants that are eventually smelted in a reasonable quantity to produce a bar.

Here is the plant and reaction. It's not available to dwarves directly, as it is a surface plant. I was playing humans though so I was able to buy it.

I bought it, grew it and brewed it.

[MATGLOSS_PLANT:WEED_IRON]
[TILE:'i'][COLOR:0:0:1]
[NAME:iron weed][NAME_PLURAL:iron weeds]
[VALUE:2]
[DRINK:iron brew:0:0:1]
[DRINKVALUE:2]
[SEED:4:0:1]
[GENPOWER:2]
[AUTUMN][WINTER]
[FREQUENCY:100]
[CLUSTERSIZE:5]
[BIOME:NOT_FREEZING]
[PREFSTRING:hard leaves]
[WET][DRY]

[REACTION:WEED_IRON_MAKING]
[NAME:make iron bars from weed]
[SMELTER]
[REAGENT:10:PLANT:NO_SUBTYPE:WEED_IRON:PLANT]
[PRODUCT:100:1:BAR:NO_SUBTYPE:METAL:IRON]
[FUEL]

The plant obviously works, I've not really been able to test being able to find it in the wild yet, but the biome is pretty broad.

Something is wrong with the REAGENT line of the reaction, it doesn't show up on my smelter and that was the best approximation I could come up with. Any help would be appriciated.

[Kagus]

First of all, the smelter is a real pisser when it comes to plants or animals.  It's really just not worth the time and energy spent trying to point to the right thing on the list. 

Second, the smelter cannot detect something that is contained inside of a barrel or bag.  If you put the plants in a barrel, the smelter wouldn't be able to find them (the dwarven smelter, like the dwarves themselves, is not an intelligent beast).

[Loctavus]

Rats, time for my fall back then, industrial animals...

[Deon]

For plants material id = id number in the raws. To if your plant is not in the basic raw file and is out of material numbers range you can't use your plant. Try to fit into rules.

[Loctavus]

It's in the matgloss_plant.txt file.

So you're saying i'd need

[REAGENT:10:PLANT:NO_SUBTYPE:xxx]

where xxx is the numerical id of my plant then? DF counters seem to start with one.

With the problem about barrels and other such bits I'm about giving up on this though, it was a nice idea.

[Deon]

No, it's something like [REAGENT:10:PLANT:NO_SUBTYPE:WOOD:NO_MATGLOSS] (this is for plant #1)

The relative IDs in exe are:
1   WOOD
2   STONE
3   METAL
4   BONE
5   IVORY
6   HORN
7   AMBER
8   CORAL
9   PEARL
10   SHELL
11   LEATHER
12   SILK
13   PLANT_ALCOHOL
14   GLASS_GREEN
15   GLASS_CLEAR
16   GLASS_CRYSTAL
17   SAND
18   COAL
19   POTASH
20   ASH
21   PEARLASH
22   LYE
23   RENDERED_FAT
24   SOAP_ANIMAL
25   FAT
26   MUD
27   VOMIT
28   BLOOD_NONSPECIFIC
29   BLOOD_SPECIFIC
30   SLIME
31   SALT
32   FILTH_B
33   FILTH_Y
34   UNKNOWN_SUBSTANCE
35   GRIME

So, 35 plants max total in reactions.

[THLawrence]

This is what you currently have:
[REAGENT:10:PLANT:NO_SUBTYPE:WEED_IRON:PLANT]

Iron weed is not a matgloss class. PLANT is.
This is what you should have:
[REAGENT:10:PLANT:NO_SUBTYPE:PLANT:WEED_IRON]

[Deon]

[REAGENT:10:PLANT:NO_SUBTYPE:PLANT:WEED_IRON]

It is not working in DF.

[Sean Mirrsen]

You could use thread or cloth from the plant though. Or indeed any object made from the plant. So thresh it first and then use the thread.

Also, "iron brew"? You mean like that "energy drink"? It only just hit me what it meant.

[Wiles]

I think you can only use plant products if they aren't stored in a barrel or bag.

[Loctavus]

Well, rope reed thread is stored in bins, so I think you have something there. Let me try this.

[REACTION:WEED_IRON_MAKING]
[NAME:make iron bars from weed]
[SMELTER]
[REAGENT:10:THREAD:NO_SUBTYPE:PLANT:WEED_IRON]
[PRODUCT:100:1:BAR:NO_SUBTYPE:METAL:IRON]
[FUEL]

[MATGLOSS_PLANT:WEED_IRON]
[TILE:'i'][COLOR:0:0:1]
[NAME:iron weed][NAME_PLURAL:iron weeds]
[VALUE:2]
[DRINK:iron brew:0:0:1]
[DRINKVALUE:2]
[SEED:4:0:1]
[GENPOWER:2]
[THREAD]
[AUTUMN][WINTER]
[FREQUENCY:100]
[CLUSTERSIZE:5]
[BIOME:NOT_FREEZING]
[PREFSTRING:hard leaves]
[WET][DRY]

I'm still a novice at this reaction stuff though, so your help is much appriciated all of you. Going to try it now.

And yes, I did mean like the energy drink 

[Deon]

This should work properly. I didn't check it for typos though -).

[NAME:make iron bars from weed]

Your dwarves should be strongly stoned to do this... :2)

[Sean Mirrsen]

Yeah, probably "extract iron from ironweed thread" would be better, if a bit long.

[Loctavus]

It didn't work, but I like your extract idea. Perhaps I could make a metal bar of 'weed extract' from each leaf, and smelt ten of those into iron.

[Sean Mirrsen]

Wait, what do you mean "didn't work"? It should have worked!

The reactions can reference plant thread, the carbon fibers on my minerals mod are proof of this!