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v0.31:Miasma
| This article is about an older version of DF. |
Miasma is a cloud of purple stench that makes your Template:L unhappy. It only occurs in subterranean areas, and is caused by rotting items such as untanned hides or chunks and dead Template:L. It does not pass through dwarves.[Verify]
To avoid miasma, either keep anything rotten outside or alternatively have an inside Template:L pile on its own in a room with several Template:Ls; this should halt the miasma's advance (although the room itself will still stink up). It will also not spread diagonally, so one possible solution is to have the only entrance be diagonal.
Another option is to have a long garbage chute where refuse is Template:Led down. If it is long enough the miasma will not be able to reach all the way to the top, preventing your dwarves from getting unhappy thoughts.
A creative way of constructing garbage chutes is to separate the garbage area and dumping area (where dwarves are) with Template:Les linked to a Template:L. That way garbage will land on the hatch, which will open (triggered by dwarf returning to his duties stepping on a plate), letting it fall down and then close, keeping all the miasma inside. This allows one to construct a short, yet non-smelly chute.
Another option for a short non-smelly chute is to let the chute be seperated diagonally from the dumping square(s). Since miasma does not travel across corners, this allows a chute stretching across 2 z-levels to be completly miasma free, without needing additional mechanisms. The simplest form is to dig in one square into the wall, and then channel one square diagonally from this square. Designate the first square as a garbage dump. A simpler option for a tiny miasma-free dump is to simply make a 1x1 room with one corner mined out. Zone the seperate square for dumping. When dwarves go to dump an item, they stand at the corner of the room, and place items into the room. Miasma will not escape the room through the corner.
Simple Garbage Dump Mined Zoned Miasma ▒+++▒ ▒+++▒ ▒+++▒ ▒+++▒ ▒+++▒ ▒+++▒ ▒+++▒ ▒+++▒ ▒+++▒ ▒+++▒ ▒+++▒ ▒+++▒ ▒+++▒▒ ▒+++▒▒ ▒+++▒▒ ▒▒▒▒+▒ ▒▒▒▒=▒ ▒▒▒▒█▒ ...▒▒▒ ...▒▒▒ ...▒▒▒▒
Note that all versions of DF2010 have a bug in which dwarves interrupted in the middle of a meal will abandon their food, and food abandoned in this manner can never be interacted with (picked up, stored, or dumped) by any dwarf ever again, including the dwarf who abandoned it. If the food is abandoned underground, it will eventually begin generating miasma. This is an especially frequent occurrence with soldiers, who will often be interrupted while consuming their rations when a training class begins.