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[CT]

Well I was !!SCIENCE-ing!! with fire arrows from the battlecraft mod and lit myself on fire. I then melted. This made me realize that fire is awesome and that I want a weapon made with fire. However in battlecraft the fire arrows are bugged and I lack the expertise to change or create new weapons. I need someone to help me come up with something like a firebomb or other sort of incendiary weapon so that I may melt my enemies next time 

EDIT: Wow that was poorly worded. I just want to mod in a Fire-type weapon and need help. Any offers?

[Tharwen]

Could you make an object that evaporates into a gas that has a fixed temperature of 10000 degrees or something as soon as it comes into contact with air? As long as you never dropped it you'd be fine.

[Gizogin]

Well, 10000 degrees is actually colder than body temperature in DF.  You could make something with a fixed temperature of 15000 or so, which would set pretty much anything that can burn aflame.

[CT]

That sounds like a good idea. But how would I go about making it?

[Tharwen]

Well, 10000 degrees is actually colder than body temperature in DF.  You could make something with a fixed temperature of 15000 or so, which would set pretty much anything that can burn aflame.

10000 degrees celsius

[Gizogin]

Oh, Celsius (Centigrade, because I'm posh).  Clearly I've been doing too much moffing recently.  Anyway, bolts at almost twice the surface temperature of the sun sound like a good !!idea!!, I think you'd have to make a custom metal, only available for ammo, with a fixed temperature of whatever, and a custom adv. mode reaction to make it into bolts.

[sobriquet]

twice the...this is going to be awesome. 

!science!

[Gizogin]

Okay, 10000 Centigrade is 28000 Urists (according to my quick-and-dirty calculations based on the wiki's conversion formulas).

EDIT: Tentative raws

Spoiler (click to show/hide)

Code: [Select]

[INORGANIC:SUN_METAL]
[USE_MATERIAL_TEMPLATE:METAL_TEMPLATE]
[STATE_NAME_ADJ:ALL_SOLID:sunmetal]
[STATE_NAME_ADJ:LIQUID:molten sunmetal]
[STATE_NAME_ADJ:GAS:boiling sunmetal]
[DISPLAY_COLOR:7:0:1]
[MATERIAL_VALUE:50]
[SPEC_HEAT:500]  -- most of the stuff beyond here is copied from steel
[MAT_FIXED_TEMP:28000]
[MELTING_POINT:30000]
[BOILING_POINT:35000]
[SOLID_DENSITY:7850]
[LIQUID_DENSITY:6980]
[MOLAR_MASS:55845]
[IMPACT_YIELD:1505000]
[IMPACT_FRACTURE:2520000]
[IMPACT_STRAIN_AT_YIELD:940]
[COMPRESSIVE_YIELD:1505000]
[COMPRESSIVE_FRACTURE:2520000]
[COMPRESSIVE_STRAIN_AT_YIELD:940] 160
[TENSILE_YIELD:430000]
[TENSILE_FRACTURE:720000]
[TENSILE_STRAIN_AT_YIELD:225] 200
[TORSION_YIELD:430000]
[TORSION_FRACTURE:720000]
[TORSION_STRAIN_AT_YIELD:215]
[SHEAR_YIELD:430000]
[SHEAR_FRACTURE:720000]
[SHEAR_STRAIN_AT_YIELD:215] no data, used 200
[BENDING_YIELD:430000]
[BENDING_FRACTURE:720000]
[BENDING_STRAIN_AT_YIELD:215]
[MAX_EDGE:10000]
[ITEMS_AMMO]  --  this is just for arena testing purposes, it'll have to be taken out to avoid random archers in the game spontaneously combusting


EDIT2, Electric Boogaloo:  Arena testing produced this:

It's beautiful.

EDIT3, This Time, It's Personal:  Further testing revealed that, if a sunmetal arrow lodges in an elf's upper body, death by fire is guaranteed in a few turns.

EDIT4, A New Hope:  The reaction to make sunmetal bolts in adv. mode!  Be warned, this converts the entire stack to sunmetal, and it pretty much kills you if you don't get rid of it immediately.

Spoiler (click to show/hide)

Code: [Select]

[REACTION:COAT_SUNMETAL]
[NAME:coat bolt with sunmetal]
[ADVENTURE_MODE_ENABLED]
[REAGENT:A:1:AMMO:ITEM_AMMO_BOLTS:NONE:NONE]
[PRODUCT:100:1:AMMO:ITEM_AMMO_BOLTS:INORGANIC:SUN_METAL:A:NONE]
[SKILL:METAL_CRAFT]

[CT]

This is very awesome  but see what I am trying to avoid is bursting in to flames trying to use the sunmetal. Is there a way to "trigger" it only when it is used. Ex: Thrown or Fired?

[Gizogin]

Not that I know of, unfortunately.  It's almost like a grenade, throw it fast or it'll kill you.

[CT]

So where would I put these in the raws?

[Gizogin]

The metal goes in inorganic_material.txt, and the reaction goes in reaction_smelter.txt.

[DrKillPatient]

Can you make a solid become a gas at body temperature, and the gas has a set temperature of 60,000U? If it gets stuck in something, it'll probably vaporize and incinerate the creature, but will it also do so when you grab it?

[Gizogin]

Well, sorta.  It'll be a solid for a second, then instantly vaporize.  You'd want something like this:

Code: [Select]

[MELTING_POINT:10000]
[BOILING_POINT:10020]
[MAT_FIXED_TEMP:60000]It won't last long enough to actually stay stuck in something, but it might be enough to set their clothes on fire and kill them.

[Tharwen]

Surely if it's in your inventory, it won't react?

Just make it a thrown object.