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02_variables.html
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<!DOCTYPE html>
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<title>Variables - Modular Machinery Offline Reference</title>
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<h2>MENU</h2>
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<h1 class="border border-bottom">Custom Machines: Variables</h1>
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<p>From <a href="https://github.com/HellFirePvP/ModularMachinery/wiki/3.-Custom-Machines:-Variables">https://github.com/HellFirePvP/ModularMachinery/wiki/3.-Custom-Machines:-Variables</a> </p>
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<p>As shown at the end of the <a href="01_machine_format.html">previous page</a> of the wiki,
machine definitions can be extremly long and especially when a lot of blockstates are potentially allowed for a specific position,
it can get messy and contain a lot of cuplicates since most parts then only differ at their position,
not at the blockstates that are allowed.</p>
<p>Variables help adress this at least a little bit.
So instead of having to write all blockstates and copy and paste that over and over again in the final machine definition,
you can define a variable that's equivalent to that specific set of blockstates and use the variable instead.</p>
<p>Variables need to be defined in their own file(s).
You can have multiple variable json files,
defining 2 variables with the same names (even when in different files) will then cause one to overwrite the other - the order is not defined and may vary,
so define your variables with a unique name. Variable files have to end with <span class="bold">.var.json</span> instead of just .json.
They have to be in the same folder as the machine jsons and are loaded before any of the machines are.</p>
<p>Example of a variable: The centrifuge 'casings' on the bottom layer of the example of the previous page:</p>
<div class="code">
<pre class="code">
{
"x": 1,
"y": -1,
"z": 2,
"elements": [
"modularmachinery:blockcasing",
"modularmachinery:blockinputitem",
"modularmachinery:blockinputenergy",
"modularmachinery:blockoutputitem",
"modularmachinery:blockoutputfluid"
]
}</pre>
</div>
<p>A variable file (let's call it "variables.var.json") would look like this:</p>
<div class="code">
<pre class="code">
{
"iron_centrifuge_casing": [
"modularmachinery:blockcasing",
"modularmachinery:blockinputitem",
"modularmachinery:blockinputenergy",
"modularmachinery:blockoutputitem",
"modularmachinery:blockoutputfluid"
]
}</pre>
</div>
<p>You can of course define multiple variables in the same variable-json file just by separating them with a comma. Variables cannot contain other variables in their list of applicable blockstates.</p>
<p>You can after defining this variable use it to make your machine jsons smaller:</p>
<div class="code">
<pre class="code">
{
"x": 1,
"y": -1,
"z": 2,
"elements": "iron_centrifuge_casing"
}</pre>
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