Types/FluidBox: Difference between revisions

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== Basics ==
<div class="stub"><p>'''The prototype docs have moved to a new website with an improved format.''' This documentation page can now be found here: [https://lua-api.factorio.com/latest/types/FluidBox.html https://lua-api.factorio.com/latest/types/FluidBox.html]
[[File:Fluidboxes.png|thumb|550px|Visual representation of base_area, base_level and height. When all the fluidboxes are connected, the water leaves fluidbox A and flows into the other 3 boxes through fluidbox B until the water level is equal in all boxes. For more info about fluids, see [[Fluid system#See also]].]]
Used to set the fluid amount an entity can hold, as well as the connection points for pipes leading into and out of the entity.


Entities can have multiple fluidboxes. These can be part of a [[Types/EnergySource#Fluid_energy_source]] or be specified directly in the entity prototype.
</p><p>This wiki page is no longer updated and '''will be removed at some point in the future''', so please update your browser bookmarks or other links that sent you here. If you'd like to contribute to the new docs, you can leave your feedback [https://forums.factorio.com/viewforum.php?f=233 on the forums].</p></div>
 
A fluidbox can store only one type of fluid at a time. However, a fluid system (multiple connected fluid boxes) can contain multiple different fluids, see [[Fluid_system#Fluid_mixing]].
 
== Mandatory properties ==
 
=== pipe_connections ===
'''Type''': [[Types/table]] of [[Types/PipeConnectionDefinition]]
 
Max number of members is 255.
 
Connection points to connect to other fluidboxes. This is also marked as blue arrows in alt mode.
Fluid may flow in or out depending on the `type` field of each connection.
Connection points may depend on the direction the entity is facing.
 
== Optional properties ==
 
=== base_area ===
'''Type''': [[Types/double]]
 
'''Default''': 1
 
Must be greater than 0. The total fluid capacity of the fluid box is <code>base_area × height × 100</code>.
 
=== base_level ===
'''Type''': [[Types/double]]
 
'''Default''': 0
 
Base level is the elevation of the invisible fluid box.
0 is ground level.
-1 puts the '''top''' of the fluid box at the '''bottom''' of a pipe connection, so, fluid "falls" in to it, and can't get out.
 
1 puts the '''bottom''' of the fluid box at the '''top''' of a pipe connection, so fluid "falls" out of it, but fluids already outside cannot get into it.
 
In other words:
 
1 = output only (and will attempt to empty as fast as possible).  
 
-1 = input only (and will attempt to fill as fast as possible).
 
0 means fluids can freely flow in and out (and like a pipe, will balance to the level of the pipe next to it).
 
 
Having a -1 or 1 improperly set on an output or input, respectively, will cause issues like output fluid not leaving the building, or input fluid not entering, regardless of fluid levels in the pipe or fluid box.
 
=== height ===
'''Type''': [[Types/double]]
 
'''Default''': 1
 
Must be greater than 0. The total fluid capacity of the fluid box is <code>base_area × height × 100</code>.
 
=== filter ===
'''Type''': [[Types/string]]
 
Name of a [[Prototype/Fluid]]. Can be used to specify which fluid is allowed to enter this fluid box. [https://forums.factorio.com/viewtopic.php?f=28&t=46302]
 
=== render_layer ===
'''Type''': [[Types/RenderLayer]]
 
'''Default''': "object"
 
=== hide_connection_info ===
'''Type''': [[Types/bool]]
 
'''Default''': false
 
Hides the blue input/output arrows and icons at each connection point.
 
=== pipe_covers ===
'''Type''': [[Types/Sprite4Way]]
 
The pictures to show when another fluid box connects to this one.
 
=== pipe_picture ===
'''Type''': [[Types/Sprite4Way]]
 
=== minimum_temperature ===
'''Type''': [[Types/double]]
 
The minimum temperature allowed into the fluidbox. Only applied if a <code>filter</code> is specified [https://forums.factorio.com/viewtopic.php?p=496738#p496738].
 
<syntaxhighlight lang="lua">minimum_temperature = 100.0</syntaxhighlight>
 
=== maximum_temperature ===
'''Type''': [[Types/double]]
 
The maximum temperature allowed into the fluidbox. Only applied if a <code>filter</code> is specified [https://forums.factorio.com/viewtopic.php?p=496738#p496738].
 
<syntaxhighlight lang="lua">maximum_temperature = 1000.0</syntaxhighlight>
 
=== production_type ===
'''Type''': [[Types/string]]
 
'''Default''': "None"
 
Possible values:
* "None" or "none"
* "input"
* "input-output"
* "output"
 
=== secondary_draw_order ===
'''Type''': [[Types/int8]]
 
'''Default''': 1
 
Set the secondary draw order for all orientations. Used to determine render order for sprites with the same <code>render_layer</code> in the same position. Sprites with a higher <code>secondary_draw_order</code> are drawn on top.
 
=== secondary_draw_orders ===
'''Type''': [[Types/table]] of [[Types/int8]]
 
'''Default''': {north = 1, east = 1, south = 1, west = 1}
 
Set the secondary draw order for each orientation. Used to determine render order for sprites with the same <code>render_layer</code> in the same position. Sprites with a higher <code>secondary_draw_order</code> are drawn on top.
 
== Example ==
 
<syntaxhighlight lang="lua">fluid_box =
    {
      base_area = 1,
      height = 2,
      base_level = -1,
      pipe_covers = pipecoverspictures(),
      pipe_connections =
      {
        {type = "input-output", position = {-2, 0.5}},
        {type = "input-output", position = {2, 0.5}}
      },
      production_type = "input-output"
    },
</syntaxhighlight>

Latest revision as of 14:32, 25 October 2024

The prototype docs have moved to a new website with an improved format. This documentation page can now be found here: https://lua-api.factorio.com/latest/types/FluidBox.html

This wiki page is no longer updated and will be removed at some point in the future, so please update your browser bookmarks or other links that sent you here. If you'd like to contribute to the new docs, you can leave your feedback on the forums.

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