li/cil/oc/Config.scala - minecraft/opencomputers - Rivoreo Source Code Repositories

 package li.cil.oc

 import java.io.File
 import li.cil.oc.util.PackedColor

 object Config {
   val resourceDomain = "opencomputers"
   val savePath = "opencomputers/"
   val scriptPath = "/assets/" + resourceDomain + "/lua/"

   // ----------------------------------------------------------------------- //

   val screenResolutionsByTier = Array((50, 16), (80, 25), (160, 50))
   val screenDepthsByTier = Array(PackedColor.Depth.OneBit, PackedColor.Depth.FourBit, PackedColor.Depth.EightBit)

   // ----------------------------------------------------------------------- //

   var bufferComputer = 16.0
   var bufferConverter = 64.0
   var bufferScreen = 16.0
   var bufferWireless = 32.0
   var computerBaseCost = 1.0 / 20
   var computerCpuTimeCost = 256.0
   var screenFillCost = 1.0 / 180
   var screenClearCost = 1.0 / 200
   var screenCopyCost = 1.0 / 160
   var screenSetCost = 1.0 / 20
   var wirelessRangePerPower = 8.0

   // ----------------------------------------------------------------------- //

   var blockRenderId = 0

   // ----------------------------------------------------------------------- //

   var blockId = 3650
   var blockSpecialId = 3651
   var itemId = 4600

   // ----------------------------------------------------------------------- //

   var maxScreenTextRenderDistance = 10.0
   var screenTextFadeStartDistance = 8.0
   var textLinearFiltering = false

   // ----------------------------------------------------------------------- //

   var baseMemory = 0
   var canComputersBeOwned = true
   var commandUser = "OpenComputers"
   var fileCost = 512
   var filesBuffered = true
   var ignorePower = false
   var maxHandles = 16
   var maxReadBuffer = 8 * 1024
   var maxScreenHeight = 6
   var maxScreenWidth = 8
   var maxUsernameLength = 32
   var maxUsers = 16
   var startupDelay = 0.5
   var threads = 4
   var timeout = 3.0

   // ----------------------------------------------------------------------- //

   def load(file: File) = {
     val config = new net.minecraftforge.common.Configuration(file)

     // --------------------------------------------------------------------- //

     blockId = config.getBlock("block", blockId,
       "The block ID used for simple blocks.").
       getInt(blockId)

     blockSpecialId = config.getBlock("blockSpecial", blockSpecialId,
       "The block ID used for special blocks.").
       getInt(blockSpecialId)

     itemId = config.getItem("item", itemId,
       "The item ID used for all non-stackable items.").
       getInt(itemId)

     // --------------------------------------------------------------------- //

     config.getCategory("client").
       setComment("Client side settings, presentation and performance related stuff.")

     maxScreenTextRenderDistance = config.get("client", "maxScreenTextRenderDistance", maxScreenTextRenderDistance, "" +
       "The maximum distance at which to render text on screens. Rendering text\n" +
       "can be pretty expensive, so if you have a lot of screens you'll want\n" +
       "to avoid huge numbers here. Note that this setting is client-sided, and\n" +
       "only has an impact on render performance on clients.").
       getDouble(maxScreenTextRenderDistance)

     screenTextFadeStartDistance = config.get("client", "screenTextFadeStartDistance", screenTextFadeStartDistance, "" +
       "The distance at which to start fading out the text on screens. This is\n" +
       "purely cosmetic, to avoid text disappearing instantly when moving too far\n" +
       "away from a screen. This should have no measurable impact on performance.\n" +
       "Note that this needs OpenGL 1.4 to work, otherwise text will always just\n" +
       "instantly disappear when moving away from the screen displaying it.").
       getDouble(screenTextFadeStartDistance)

     textLinearFiltering = config.get("client", "textLinearFiltering", textLinearFiltering, "" +
       "Whether to apply linear filtering for text displayed on screens when the\n" +
       "screen has to be scaled down - i.e. the text is rendered at a resolution\n" +
       "lower than their native one, e.g. when the GUI scale is less than one or\n" +
       "when looking at a far away screen. This leads to smoother text for scaled\n" +
       "down text but results in characters not perfectly connecting anymore (for\n" +
       "example for box drawing characters. Look it up on Wikipedia.)").
       getBoolean(textLinearFiltering)

     // --------------------------------------------------------------------- //

     config.getCategory("power").
       setComment("Power settings, buffer sizes and power consumption.")

     bufferComputer = config.get("power", "bufferComputer", bufferComputer, "" +
       "The buffer size for computers.").
       getDouble(bufferComputer)

     bufferConverter = config.get("power", "bufferConverter", bufferConverter, "" +
       "The buffer size for converters.").
       getDouble(bufferConverter)

     bufferScreen = config.get("power", "bufferScreen", bufferScreen, "" +
       "The buffer size for screens.").
       getDouble(bufferScreen)

     bufferWireless = config.get("power", "bufferWireless", bufferWireless, "" +
       "The buffer size for wireless network cards. Note that this effectively\n" +
       "limits the maximum range of wireless communication, together with the\n" +
       "`wirelessRangePerPower` setting: the maximum range is this times the\n" +
       "range per power (so per default that's 32 * 8 = 256 blocks).").
       getDouble(bufferScreen)

     computerBaseCost = config.get("power", "computerBaseCost", computerBaseCost, "" +
       "Power it takes per tick to run a computer, even if it's idle (base cost).").
       getDouble(computerBaseCost)

     computerCpuTimeCost = config.get("power", "computerCpuTimeCost", computerCpuTimeCost, "" +
       "Power it takes to run a computer at 100% CPU time for one second.").
       getDouble(computerCpuTimeCost)

     screenFillCost = config.get("power", "screenFillCost", screenFillCost, "" +
       "Power it takes to change a single pixel via the fill command.").
       getDouble(screenFillCost)

     screenClearCost = config.get("power", "screenClearCost", screenClearCost, "" +
       "Power it takes to change a single pixel to blank via the fill command.").
       getDouble(screenClearCost)

     screenCopyCost = config.get("power", "screenCopyCost", screenCopyCost, "" +
       "Power it takes to move a single pixel via the copy command.").
       getDouble(screenCopyCost)

     screenSetCost = config.get("power", "screenSetCost", screenSetCost, "" +
       "Power it takes to change a single pixel via the set command.").
       getDouble(screenSetCost)

     wirelessRangePerPower = config.get("power", "wirelessRangePerPower", wirelessRangePerPower, "" +
       "The range in blocks a wireless network card gains for each additional\n" +
       "power it spends. In other words, the higher this value, the lower the\n" +
       "cost of incrementing the signal strength.\n" +
       "See also: `bufferWireless`").
       getDouble(wirelessRangePerPower) max 0

     // --------------------------------------------------------------------- //

     config.getCategory("server").
       setComment("Server side settings, gameplay and security related stuff.")

     baseMemory = config.get("server", "baseMemory", baseMemory, "" +
       "The base amount of memory made available in computers even if they have no\n" +
       "RAM installed. Use this if you feel you can't get enough RAM using the\n" +
       "given means, that being RAM components. Just keep in mind that this is\n" +
       "global and applies to all computers!").
       getInt(baseMemory)

     canComputersBeOwned = config.get("server", "canComputersBeOwned", canComputersBeOwned, "" +
       "This determines whether computers can only be used by players that are\n" +
       "registered as users on them. Per default a newly placed computer has no\n" +
       "users. Whenever there are no users the computer is free for all. Users\n" +
       "can be managed via the Lua API (os.addUser, os.removeUser, os.users). If\n" +
       "this is true, the following interactions are only possible for users:\n" +
       " - input via the keyboard.\n" +
       " - inventory management.\n" +
       " - breaking the computer block.\n" +
       "If this is set to false, all computers will always be usable by all\n" +
       "players, no matter the contents of the user list. Note that operators are\n" +
       "treated as if they were in the user list of every computer, i.e. no\n" +
       "restrictions apply to them.\n" +
       "See also: `maxUsers` and `maxUsernameLength`.").
       getBoolean(canComputersBeOwned)

     commandUser = config.get("server", "commandUser", commandUser, "" +
       "The user name to specify when executing a command via a command block. If\n" +
       "you leave this empty it will use the address of the network node that sent\n" +
       "the execution request - which will usually be a computer.").
       getString.trim

     fileCost = config.get("server", "fileCost", fileCost, "" +
       "The base 'cost' of a single file or directory on a limited file system,\n" +
       "such as hard drives. When computing the used space we add this cost to\n" +
       "the real size of each file (and folders, which are zero sized otherwise).\n" +
       "This is to ensure that users cannot spam the file system with an infinite\n" +
       "number of files and/or folders. Note that the size returned via fs.size\n" +
       "will always be the real file size, however.").
       getInt(fileCost) max 0

     filesBuffered = config.get("server", "filesBuffered", filesBuffered, "" +
       "Whether persistent file systems such as disk drivers should be 'buffered',\n" +
       "and only written to disk when the world is saved. This applies to all hard\n" +
       "drives. The advantage of having this enabled is that data will never go\n" +
       "'out of sync' with the computer's state if the game crashes. The price is\n" +
       "slightly higher memory consumption, since all loaded files have to be kept\n" +
       "in memory (loaded as in when the hard drive is in a computer).").
       getBoolean(filesBuffered)

     ignorePower = config.get("server", "ignorePower", ignorePower, "" +
       "Whether to ignore any power requirements. Whenever something requires\n" +
       "power to function, it will try to get the amount of power it needs from\n" +
       "the buffer of its connector node, and in case it fails it won't perform" +
       "the action / trigger a shutdown / whatever. Setting this to `true` will\n" +
       "simply make the check 'is there enough power' succeed unconditionally.\n" +
       "Note that buffers are still filled and emptied following the usual rules,\n" +
       "there just is no failure case anymore.").
       getBoolean(ignorePower)

     maxHandles = config.get("server", "maxHandles", maxHandles, "" +
       "The maximum number of file handles any single computer may have open at a\n" +
       "time. Note that this is *per filesystem*. Also note that this is only\n" +
       "enforced by the filesystem node - if an addon decides to be fancy it may\n" +
       "well ignore this. Since file systems are usually 'virtual' this will\n" +
       "usually not have any real impact on performance/not be noticeable on the\n" +
       "host operating system.")
       .getInt(maxHandles) max 1

     maxReadBuffer = config.get("server", "maxReadBuffer", maxReadBuffer, "" +
       "The maximum block size that can be read in one 'read' call on a file\n" +
       "system. This is used to limit the amount of memory a call from a user\n" +
       "program can cause to be allocated on the host side: when 'read' is called,\n" +
       "a byte array with the specified size has to be allocated. So if this\n" +
       "weren't limited, a Lua program could trigger massive memory allocations\n" +
       "regardless of the amount of RAM installed in the computer it runs on. As a\n" +
       "side effect this pretty much determines the read performance of file\n" +
       "systems.")
       .getInt(maxReadBuffer) max 1

     maxScreenHeight = config.get("server", "maxScreenHeight", maxScreenHeight, "" +
       "The maximum height of multi-block screens, in blocks. This is limited to\n" +
       "avoid excessive computations for merging screens. If you really need\n" +
       "bigger screens it's probably safe to bump this quite a bit before you\n" +
       "notice anything, since at least incremental updates should be very\n" +
       "efficient (i.e. when adding/removing a single screen).")
       .getInt(maxScreenHeight) max 1

     maxScreenWidth = config.get("server", "maxScreenWidth", maxScreenWidth, "" +
       "The maximum width of multi-block screens, in blocks.\n" +
       "See also: `maxScreenHeight`.")
       .getInt(maxScreenWidth) max 1

     maxUsernameLength = config.get("server", "maxUsernameLength", maxUsernameLength, "" +
       "Sanity check for username length for users registered with computers. We\n" +
       "store the actual user names instead of a hash to allow iterating the list\n" +
       "of registered users on the Lua side.\n" +
       "See also: `canComputersBeOwned`.").
       getInt(maxUsernameLength)

     maxUsers = config.get("server", "maxUsers", maxUsers, "" +
       "The maximum number of users that can be registered with a single computer.\n" +
       "This is used to avoid computers allocating unchecked amounts of memory by\n" +
       "registering an unlimited number of users.\n" +
       "See also: `canComputersBeOwned`.").
       getInt(maxUsers)

     startupDelay = config.get("server", "startupDelay", startupDelay, "" +
       "The time in seconds to wait after a computer has been restored before it\n" +
       "continues to run. This is meant to allow the world around the computer to\n" +
       "settle, avoiding issues such as components in neighboring chunks being\n" +
       "removed and then re-connected and other odd things that might happen.").
       getDouble(startupDelay) max 0

     threads = config.get("server", "threads", threads, "" +
       "The overall number of threads to use to drive computers. Whenever a\n" +
       "computer should run, for example because a signal should be processed or\n" +
       "some sleep timer expired it is queued for execution by a worker thread.\n" +
       "The higher the number of worker threads, the less likely it will be that\n" +
       "computers block each other from running, but the higher the host system's\n" +
       "load may become.").
       getInt(threads) max 1

     timeout = config.get("server", "timeout", timeout, "" +
       "The time in seconds a program may run without yielding before it is\n" +
       "forcibly aborted. This is used to avoid stupidly written or malicious\n" +
       "programs blocking other computers by locking down the executor threads.\n" +
       "Note that changing this won't have any effect on computers that are\n" +
       "already running - they'll have to be rebooted for this to take effect.").
       getDouble(timeout) max 0.05

     // --------------------------------------------------------------------- //

     if (config.hasChanged)
       config.save()
   }
 }
	package li.cil.oc

	import java.io.File
	import li.cil.oc.util.PackedColor

	object Config {
	val resourceDomain = "opencomputers"
	val savePath = "opencomputers/"
	val scriptPath = "/assets/" + resourceDomain + "/lua/"

	// ----------------------------------------------------------------------- //

	val screenResolutionsByTier = Array((50, 16), (80, 25), (160, 50))
	val screenDepthsByTier = Array(PackedColor.Depth.OneBit, PackedColor.Depth.FourBit, PackedColor.Depth.EightBit)

	// ----------------------------------------------------------------------- //

	var bufferComputer = 16.0
	var bufferConverter = 64.0
	var bufferScreen = 16.0
	var bufferWireless = 32.0
	var computerBaseCost = 1.0 / 20
	var computerCpuTimeCost = 256.0
	var screenFillCost = 1.0 / 180
	var screenClearCost = 1.0 / 200
	var screenCopyCost = 1.0 / 160
	var screenSetCost = 1.0 / 20
	var wirelessRangePerPower = 8.0

	// ----------------------------------------------------------------------- //

	var blockRenderId = 0

	// ----------------------------------------------------------------------- //

	var blockId = 3650
	var blockSpecialId = 3651
	var itemId = 4600

	// ----------------------------------------------------------------------- //

	var maxScreenTextRenderDistance = 10.0
	var screenTextFadeStartDistance = 8.0
	var textLinearFiltering = false

	// ----------------------------------------------------------------------- //

	var baseMemory = 0
	var canComputersBeOwned = true
	var commandUser = "OpenComputers"
	var fileCost = 512
	var filesBuffered = true
	var ignorePower = false
	var maxHandles = 16
	var maxReadBuffer = 8 * 1024
	var maxScreenHeight = 6
	var maxScreenWidth = 8
	var maxUsernameLength = 32
	var maxUsers = 16
	var startupDelay = 0.5
	var threads = 4
	var timeout = 3.0

	// ----------------------------------------------------------------------- //

	def load(file: File) = {
	val config = new net.minecraftforge.common.Configuration(file)

	// --------------------------------------------------------------------- //

	blockId = config.getBlock("block", blockId,
	"The block ID used for simple blocks.").
	getInt(blockId)

	blockSpecialId = config.getBlock("blockSpecial", blockSpecialId,
	"The block ID used for special blocks.").
	getInt(blockSpecialId)

	itemId = config.getItem("item", itemId,
	"The item ID used for all non-stackable items.").
	getInt(itemId)

	// --------------------------------------------------------------------- //

	config.getCategory("client").
	setComment("Client side settings, presentation and performance related stuff.")

	maxScreenTextRenderDistance = config.get("client", "maxScreenTextRenderDistance", maxScreenTextRenderDistance, "" +
	"The maximum distance at which to render text on screens. Rendering text\n" +
	"can be pretty expensive, so if you have a lot of screens you'll want\n" +
	"to avoid huge numbers here. Note that this setting is client-sided, and\n" +
	"only has an impact on render performance on clients.").
	getDouble(maxScreenTextRenderDistance)

	screenTextFadeStartDistance = config.get("client", "screenTextFadeStartDistance", screenTextFadeStartDistance, "" +
	"The distance at which to start fading out the text on screens. This is\n" +
	"purely cosmetic, to avoid text disappearing instantly when moving too far\n" +
	"away from a screen. This should have no measurable impact on performance.\n" +
	"Note that this needs OpenGL 1.4 to work, otherwise text will always just\n" +
	"instantly disappear when moving away from the screen displaying it.").
	getDouble(screenTextFadeStartDistance)

	textLinearFiltering = config.get("client", "textLinearFiltering", textLinearFiltering, "" +
	"Whether to apply linear filtering for text displayed on screens when the\n" +
	"screen has to be scaled down - i.e. the text is rendered at a resolution\n" +
	"lower than their native one, e.g. when the GUI scale is less than one or\n" +
	"when looking at a far away screen. This leads to smoother text for scaled\n" +
	"down text but results in characters not perfectly connecting anymore (for\n" +
	"example for box drawing characters. Look it up on Wikipedia.)").
	getBoolean(textLinearFiltering)

	// --------------------------------------------------------------------- //

	config.getCategory("power").
	setComment("Power settings, buffer sizes and power consumption.")

	bufferComputer = config.get("power", "bufferComputer", bufferComputer, "" +
	"The buffer size for computers.").
	getDouble(bufferComputer)

	bufferConverter = config.get("power", "bufferConverter", bufferConverter, "" +
	"The buffer size for converters.").
	getDouble(bufferConverter)

	bufferScreen = config.get("power", "bufferScreen", bufferScreen, "" +
	"The buffer size for screens.").
	getDouble(bufferScreen)

	bufferWireless = config.get("power", "bufferWireless", bufferWireless, "" +
	"The buffer size for wireless network cards. Note that this effectively\n" +
	"limits the maximum range of wireless communication, together with the\n" +
	"`wirelessRangePerPower` setting: the maximum range is this times the\n" +
	"range per power (so per default that's 32 * 8 = 256 blocks).").
	getDouble(bufferScreen)

	computerBaseCost = config.get("power", "computerBaseCost", computerBaseCost, "" +
	"Power it takes per tick to run a computer, even if it's idle (base cost).").
	getDouble(computerBaseCost)

	computerCpuTimeCost = config.get("power", "computerCpuTimeCost", computerCpuTimeCost, "" +
	"Power it takes to run a computer at 100% CPU time for one second.").
	getDouble(computerCpuTimeCost)

	screenFillCost = config.get("power", "screenFillCost", screenFillCost, "" +
	"Power it takes to change a single pixel via the fill command.").
	getDouble(screenFillCost)

	screenClearCost = config.get("power", "screenClearCost", screenClearCost, "" +
	"Power it takes to change a single pixel to blank via the fill command.").
	getDouble(screenClearCost)

	screenCopyCost = config.get("power", "screenCopyCost", screenCopyCost, "" +
	"Power it takes to move a single pixel via the copy command.").
	getDouble(screenCopyCost)

	screenSetCost = config.get("power", "screenSetCost", screenSetCost, "" +
	"Power it takes to change a single pixel via the set command.").
	getDouble(screenSetCost)

	wirelessRangePerPower = config.get("power", "wirelessRangePerPower", wirelessRangePerPower, "" +
	"The range in blocks a wireless network card gains for each additional\n" +
	"power it spends. In other words, the higher this value, the lower the\n" +
	"cost of incrementing the signal strength.\n" +
	"See also: `bufferWireless`").
	getDouble(wirelessRangePerPower) max 0

	// --------------------------------------------------------------------- //

	config.getCategory("server").
	setComment("Server side settings, gameplay and security related stuff.")

	baseMemory = config.get("server", "baseMemory", baseMemory, "" +
	"The base amount of memory made available in computers even if they have no\n" +
	"RAM installed. Use this if you feel you can't get enough RAM using the\n" +
	"given means, that being RAM components. Just keep in mind that this is\n" +
	"global and applies to all computers!").
	getInt(baseMemory)

	canComputersBeOwned = config.get("server", "canComputersBeOwned", canComputersBeOwned, "" +
	"This determines whether computers can only be used by players that are\n" +
	"registered as users on them. Per default a newly placed computer has no\n" +
	"users. Whenever there are no users the computer is free for all. Users\n" +
	"can be managed via the Lua API (os.addUser, os.removeUser, os.users). If\n" +
	"this is true, the following interactions are only possible for users:\n" +
	" - input via the keyboard.\n" +
	" - inventory management.\n" +
	" - breaking the computer block.\n" +
	"If this is set to false, all computers will always be usable by all\n" +
	"players, no matter the contents of the user list. Note that operators are\n" +
	"treated as if they were in the user list of every computer, i.e. no\n" +
	"restrictions apply to them.\n" +
	"See also: `maxUsers` and `maxUsernameLength`.").
	getBoolean(canComputersBeOwned)

	commandUser = config.get("server", "commandUser", commandUser, "" +
	"The user name to specify when executing a command via a command block. If\n" +
	"you leave this empty it will use the address of the network node that sent\n" +
	"the execution request - which will usually be a computer.").
	getString.trim

	fileCost = config.get("server", "fileCost", fileCost, "" +
	"The base 'cost' of a single file or directory on a limited file system,\n" +
	"such as hard drives. When computing the used space we add this cost to\n" +
	"the real size of each file (and folders, which are zero sized otherwise).\n" +
	"This is to ensure that users cannot spam the file system with an infinite\n" +
	"number of files and/or folders. Note that the size returned via fs.size\n" +
	"will always be the real file size, however.").
	getInt(fileCost) max 0

	filesBuffered = config.get("server", "filesBuffered", filesBuffered, "" +
	"Whether persistent file systems such as disk drivers should be 'buffered',\n" +
	"and only written to disk when the world is saved. This applies to all hard\n" +
	"drives. The advantage of having this enabled is that data will never go\n" +
	"'out of sync' with the computer's state if the game crashes. The price is\n" +
	"slightly higher memory consumption, since all loaded files have to be kept\n" +
	"in memory (loaded as in when the hard drive is in a computer).").
	getBoolean(filesBuffered)

	ignorePower = config.get("server", "ignorePower", ignorePower, "" +
	"Whether to ignore any power requirements. Whenever something requires\n" +
	"power to function, it will try to get the amount of power it needs from\n" +
	"the buffer of its connector node, and in case it fails it won't perform" +
	"the action / trigger a shutdown / whatever. Setting this to `true` will\n" +
	"simply make the check 'is there enough power' succeed unconditionally.\n" +
	"Note that buffers are still filled and emptied following the usual rules,\n" +
	"there just is no failure case anymore.").
	getBoolean(ignorePower)

	maxHandles = config.get("server", "maxHandles", maxHandles, "" +
	"The maximum number of file handles any single computer may have open at a\n" +
	"time. Note that this is per filesystem. Also note that this is only\n" +
	"enforced by the filesystem node - if an addon decides to be fancy it may\n" +
	"well ignore this. Since file systems are usually 'virtual' this will\n" +
	"usually not have any real impact on performance/not be noticeable on the\n" +
	"host operating system.")
	.getInt(maxHandles) max 1

	maxReadBuffer = config.get("server", "maxReadBuffer", maxReadBuffer, "" +
	"The maximum block size that can be read in one 'read' call on a file\n" +
	"system. This is used to limit the amount of memory a call from a user\n" +
	"program can cause to be allocated on the host side: when 'read' is called,\n" +
	"a byte array with the specified size has to be allocated. So if this\n" +
	"weren't limited, a Lua program could trigger massive memory allocations\n" +
	"regardless of the amount of RAM installed in the computer it runs on. As a\n" +
	"side effect this pretty much determines the read performance of file\n" +
	"systems.")
	.getInt(maxReadBuffer) max 1

	maxScreenHeight = config.get("server", "maxScreenHeight", maxScreenHeight, "" +
	"The maximum height of multi-block screens, in blocks. This is limited to\n" +
	"avoid excessive computations for merging screens. If you really need\n" +
	"bigger screens it's probably safe to bump this quite a bit before you\n" +
	"notice anything, since at least incremental updates should be very\n" +
	"efficient (i.e. when adding/removing a single screen).")
	.getInt(maxScreenHeight) max 1

	maxScreenWidth = config.get("server", "maxScreenWidth", maxScreenWidth, "" +
	"The maximum width of multi-block screens, in blocks.\n" +
	"See also: `maxScreenHeight`.")
	.getInt(maxScreenWidth) max 1

	maxUsernameLength = config.get("server", "maxUsernameLength", maxUsernameLength, "" +
	"Sanity check for username length for users registered with computers. We\n" +
	"store the actual user names instead of a hash to allow iterating the list\n" +
	"of registered users on the Lua side.\n" +
	"See also: `canComputersBeOwned`.").
	getInt(maxUsernameLength)

	maxUsers = config.get("server", "maxUsers", maxUsers, "" +
	"The maximum number of users that can be registered with a single computer.\n" +
	"This is used to avoid computers allocating unchecked amounts of memory by\n" +
	"registering an unlimited number of users.\n" +
	"See also: `canComputersBeOwned`.").
	getInt(maxUsers)

	startupDelay = config.get("server", "startupDelay", startupDelay, "" +
	"The time in seconds to wait after a computer has been restored before it\n" +
	"continues to run. This is meant to allow the world around the computer to\n" +
	"settle, avoiding issues such as components in neighboring chunks being\n" +
	"removed and then re-connected and other odd things that might happen.").
	getDouble(startupDelay) max 0

	threads = config.get("server", "threads", threads, "" +
	"The overall number of threads to use to drive computers. Whenever a\n" +
	"computer should run, for example because a signal should be processed or\n" +
	"some sleep timer expired it is queued for execution by a worker thread.\n" +
	"The higher the number of worker threads, the less likely it will be that\n" +
	"computers block each other from running, but the higher the host system's\n" +
	"load may become.").
	getInt(threads) max 1

	timeout = config.get("server", "timeout", timeout, "" +
	"The time in seconds a program may run without yielding before it is\n" +
	"forcibly aborted. This is used to avoid stupidly written or malicious\n" +
	"programs blocking other computers by locking down the executor threads.\n" +
	"Note that changing this won't have any effect on computers that are\n" +
	"already running - they'll have to be rebooted for this to take effect.").
	getDouble(timeout) max 0.05

	// --------------------------------------------------------------------- //

	if (config.hasChanged)
	config.save()
	}
	}