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[macgruber]

Alright, now I'm sure most of us have all seen this image sometime in the past.

Spoiler (click to show/hide)

Only to lament upon the fact that it currently is unfeasible, as blood is a "contaminant" and thus cannot be quantified as a liquid.  However, during some discussions on /r/dwarffortress, some brainstorming took place, the transcript is as follows:

Spoiler (click to show/hide)

"Yeah, unfortunately, blood doesn't count as a liquid.
Unless we copy pasted the data for water, and made each creature release 1/7 of "blood" upon release. Upon drying, the blood would leave a contaminant blood residue, as well as creating a miasma like effect if not cleaned up!"

"zzorrga, that is brilliant. I haven't ever had a smell off of blood residue, however, I have seen a vial of blood exposed to air at room temperature, fills a small room with a foul odour.
Can fluids create miasma, to create "nasty smelling blood/water"?"

"Now, I'm going off on a limb here, but if we use the "water" code for the blood, we could have it "evaporate", leaving dried blood rather than mud.
This "mud" would be recognized in a similar manner to rotting carcasses, spewing forth miasma.
Bonus points for anyone that comes up for a way to make a lake of blood traumatizing to the dwarven psyche, much like regular violence is."

"Go forth, with the originating jpg, you must go to the DF suggestion forum immediately. Lakes of blood should definitely exist in the terrifying biome.
Because I wager to some degree we could make swamplands as unsettling to dwarves as lakes of blood is, on a larger degree."

And so I have.

The general idea is that upon death or serious wounding(contingent upon the creatures size of course) an amount of blood would be released.  This blood would be simulated in the exact same way as water, with a few differences.  Notably, that when it "evaporates" it leaves behind dried blood contaminant rather than mud, and this contaminant gives off a mild miasma.

Though this idea of liquid blood certainly isn't new (lets face it, this is Dwarf Fortress), this implementation is somewhat more practical than previous iterations.

[peskyninja]

First we need liquid booze, my dwarfs are thirsty.

[thobal]

What happens when blood mixes with water?

[Neonivek]

What happens when blood mixes with water?

Yep this is the entire reason why there arn't more liquids then water.

THAT and the amount of memory that would be taken up.

[zarokima]

What happens when blood mixes with water?

I would imagine it should, well, mix, and result in a liquid that is part water and part blood. Or for an easier "let's just get it functional" solution, it could revert to just being a contaminant upon contact with water. Same could happen with booze or other liquids, or depending on which is more voluminous the water could contaminate the other, to get "diluted blood" or something.

[Neonivek]

What happens when blood mixes with water?

I would imagine it should, well, mix, and result in a liquid that is part water and part blood. Or for an easier "let's just get it functional" solution, it could revert to just being a contaminant upon contact with water. Same could happen with booze or other liquids, or depending on which is more voluminous the water could contaminate the other, to get "diluted blood" or something.

So your having entire bodies of water keep track of their contents?

[peskyninja]

First we need that blood spreading bug fixed.

[dwarfhoplite]

I laughed my beard off.

[ludsoe]

What happens when blood mixes with water?

I would imagine it should, well, mix, and result in a liquid that is part water and part blood. Or for an easier "let's just get it functional" solution, it could revert to just being a contaminant upon contact with water. Same could happen with booze or other liquids, or depending on which is more voluminous the water could contaminate the other, to get "diluted blood" or something.

So your having entire bodies of water keep track of their contents?

Its that simple?  Lol.

[jaxler]

What happens when blood mixes with water?

it goes away when it touches water. that would end that problem

and blood should evaporate, this would remove the everlasting blood glitch

and seas of blood whould replace the haunted seas.

and great idea u get gold star

[Deimos56]

What happens when blood mixes with water?

i goes away when it touches water

and blood should evaporate this would remove the everlasting blood glitch

and seas of blood whould replace the haunted seas.

and great idea u get gold star

Aren't the haunted seas often connected to normal ones?

If it weren't for the memory issue, I'd say have blood and water share behavior and blend when they meet - 4/7-7/7 blood acting like blood would and 4/7-7/7 water acting like water with varying degrees of horrific, metallic smelling contaminants would.

There's also the question of clotting. Which is a major question, because blood clots, and rots as well. Magic, preservatives, or chemicals of some wonderful flavor would be needed, and Armok help you if any of said preservatives/chemicals/magics get on your dwarves.

As for booze, could just have it be progressively weaker booze the more water's mixed into it, until it's nothing more than a contaminant. It could count as booze, but thoughts associated with it would decrease and eventually shift over to the 'water' flavored thoughts as it becomes more diluted.

Or for an easier "let's just get it functional" solution, it could revert to just being a contaminant upon contact with water.

I'm not sure that would work, as then a pool of blood large enough to drown a dwarf (4/7+) in would turn into a contaminant if a puddle (1/7) got too close to it.

[peskyninja]

What happens when blood mixes with water?

i goes away when it touches water

and blood should evaporate this would remove the everlasting blood glitch

and seas of blood whould replace the haunted seas.

and great idea u get gold star

Aren't the haunted seas often connected to normal ones?

If it weren't for the memory issue, I'd say have blood and water share behavior and blend when they meet - 4/7-7/7 blood acting like blood would and 4/7-7/7 water acting like water with varying degrees of horrific, metallic smelling contaminants would.

There's also the question of clotting. Which is a major question, because blood clots, and rots as well. Magic, preservatives, or chemicals of some wonderful flavor would be needed, and Armok help you if any of said preservatives/chemicals/magics get on your dwarves.

As for booze, could just have it be progressively weaker booze the more water's mixed into it, until it's nothing more than a contaminant. It could count as booze, but thoughts associated with it would decrease and eventually shift over to the 'water' flavored thoughts as it becomes more diluted.

Or for an easier "let's just get it functional" solution, it could revert to just being a contaminant upon contact with water.

I'm not sure that would work, as then a pool of blood large enough to drown a dwarf (4/7+) in would turn into a contaminant if a puddle (1/7) got too close to it.

I think the most efficient solution is the disoving thing, maybe they (liquids) should work like a murky pool tile absorving a certain quantity of liquid before creating another tile of liquid.

[Loud Whispers]

I always wanted a river of blood :]

[jaxler]

What happens when blood mixes with water?

i goes away when it touches water

and blood should evaporate this would remove the everlasting blood glitch

and seas of blood whould replace the haunted seas.

and great idea u get gold star

Aren't the haunted seas often connected to normal ones?

If it weren't for the memory issue, I'd say have blood and water share behavior and blend when they meet - 4/7-7/7 blood acting like blood would and 4/7-7/7 water acting like water with varying degrees of horrific, metallic smelling contaminants would.

There's also the question of clotting. Which is a major question, because blood clots, and rots as well. Magic, preservatives, or chemicals of some wonderful flavor would be needed, and Armok help you if any of said preservatives/chemicals/magics get on your dwarves.

As for booze, could just have it be progressively weaker booze the more water's mixed into it, until it's nothing more than a contaminant. It could count as booze, but thoughts associated with it would decrease and eventually shift over to the 'water' flavored thoughts as it becomes more diluted.

Or for an easier "let's just get it functional" solution, it could revert to just being a contaminant upon contact with water.

I'm not sure that would work, as then a pool of blood large enough to drown a dwarf (4/7+) in would turn into a contaminant if a puddle (1/7) got too close to it.

no i'd drain my booze in a hole. and make a lake of booze just to show off

[Loud Whispers]

Could you just technically change the colour of water, change it's name to blood, and have a fortress full of blood drinking dwarves?