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Editing v0.34:Contaminant
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− | {{ | + | {{quality|Fine|05:42, 8 February 2013 (UTC)}}{{av}} |
− | {{av}} | ||
− | '''Contaminants''' are | + | '''Contaminants''' are a feature. There are numerous types of contaminants in Dwarf Fortress, such as mud, blood, ichor, extract, (stone) dust, ash, salt, [[vomit]], snow, and pus. Unlike [[item]]s, they are bound to their square. |
==Creating Mud== | ==Creating Mud== | ||
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==Tracking== | ==Tracking== | ||
+ | <!-- THIS SECTION IS OUTDATED; DWARVES WILL NO LONGER SPREAD CONTAMINANTS | ||
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[[dwarf|Dwarves]] and other [[creature|creatures]] that walk over contaminants can track them onto other tiles that they pass through. Dustings and spatterings which represent small amounts of a contaminant do not appear to be tracked around. Larger amounts of contaminants will be picked up by a dwarves left foot and can then be transferred to other tiles. | [[dwarf|Dwarves]] and other [[creature|creatures]] that walk over contaminants can track them onto other tiles that they pass through. Dustings and spatterings which represent small amounts of a contaminant do not appear to be tracked around. Larger amounts of contaminants will be picked up by a dwarves left foot and can then be transferred to other tiles. | ||
--> | --> | ||
− | The tracking of contaminants is a configurable option, which defaults to '''NO''' in Dwarf Fortress mode and '''YES''' in [[adventure mode]]. The actual options are <tt>WALKING_SPREADS_SPATTER_DWF</tt> and <tt>WALKING_SPREADS_SPATTER_ADV</tt> in [[d_init.txt]]. | + | The tracking of contaminants is a configurable option, which defaults to '''NO''' in Dwarf Fortress mode and '''YES''' in [[adventure mode]]. The actual options are <tt>WALKING_SPREADS_SPATTER_DWF</tt> and <tt>WALKING_SPREADS_SPATTER_ADV</tt> in [[d_init.txt]]. |
==Flowing== | ==Flowing== | ||
− | Water that [[flow|flows]] over contaminants can pick them up | + | Water that [[flow|flows]] over contaminants can pick them up and redistribute them as the water moves. Water does not appear to move mud, although mud will be created any time water covers a tile. The mechanics of redistributing contaminants using water is not well understood although there have been some observations of strange behavior when mixing blood and water. |
:* adding 7/7 water on top of a pool of blood creates more pools of blood at the edge of the water as it moves and evaporates. | :* adding 7/7 water on top of a pool of blood creates more pools of blood at the edge of the water as it moves and evaporates. | ||
:* an overflowing reservoir that contains some blood creates blood everywhere the water flows. | :* an overflowing reservoir that contains some blood creates blood everywhere the water flows. | ||
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==Removing== | ==Removing== | ||
− | Removing contaminants can be accomplished by dwarves performing a [[cleaning]]. This requires a contaminant to be on a floor tile, and will (as a side effect) also remove contaminants from adjacent walls. A contaminant that is on a wall, with no adjacent contaminated floor, will never be cleaned. Contaminants are | + | Removing contaminants can be accomplished by dwarves performing a [[cleaning]]. This requires a contaminant to be on a floor tile, and will (as a side effect) also remove contaminants from adjacent walls. A contaminant that is on a wall, with no adjacent contaminated floor, will never be cleaned. |
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+ | Contaminants are removed if ''any'' real building is built on them (dirt roads are not buildings), even if that building is subsequently removed. | ||
Note that [[Dwarven atom smasher|atom smashing]] a square with a contaminant on it will not remove the contaminant. | Note that [[Dwarven atom smasher|atom smashing]] a square with a contaminant on it will not remove the contaminant. |