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#summary List of development rules for scripts
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= Scripting Rules =
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For scripts, there are some basic but important development rules that all scripts need to follow to ensure the scripts are compatible across multiple systems.
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For behavior in your script that affects actual gameplay, there are restrictions of what you can do with numbers. These are the rules:
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* Only integer numbers are allowed; floating-point numbers are forbidden
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* If you divide, divide by powers of 2 if you can
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* If you want to divide by a different integer value, use the `div` function for integer division
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* Keep your numbers within (+/-) 2<sup>53</sup>
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* Avoid `math.floor` and `math.ceil`
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These restrictions on numbers don't apply to numbers that you don't use for gameplay but for stuff like harmless eye candy.
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Failing to follow these rules might lead your script to behave differently on different systems, leading to desynchronization bugs, which means they will not work online.
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