101 lines
2.4 KiB
Lua
101 lines
2.4 KiB
Lua
local dbid = 7
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local eplib = require("entrypointlib")
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local db = {}
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db.loops = {eplib.connect,eplib.receive}
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local tableCache = nil
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local function readTable()
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if not tableCache then
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eplib.send({proto = "getTable"}, dbid)
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local event = {}
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repeat
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event = {os.pullEvent("network_packet")}
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until event[3] == dbid and event[2].proto == "resp"
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tableCache = event[2].table
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end
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return tableCache
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end
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local function writeTable(t)
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local event = {}
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repeat
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eplib.send({proto = "setTable", table = t}, dbid)
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parallel.waitForAny(function () event = {os.pullEvent("network_packet")} end, function () sleep(0.5) end)
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until event[3] == dbid and event[2].proto == "OK"
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tableCache = t
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end
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---returns a list of all materials
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---@return string[]
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function db.getMaterials()
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local table = readTable()
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local materials = {}
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for k,_ in pairs(table.materials or {}) do
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materials[#materials+1] = k
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end
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return materials
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end
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---gets the price of a material
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---@param mat string
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---@return number
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function db.getPrice(mat)
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return (readTable().materials or {})[mat]
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end
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---returns a list of all currencies
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---@return string[]
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function db.getCurrencies()
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local table = readTable()
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local currencies = {}
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for k,_ in pairs(table.currencies or {}) do
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currencies[#currencies+1] = k
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end
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return currencies
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end
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---gets the worth of a currency
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---@param cur string
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---@return number
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function db.getCurrencyWorth(cur)
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return (readTable().currencies or {})[cur]
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end
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---sets the price of a material
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---@param mat string
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---@param price number
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function db.setPrice(mat,price)
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local table = readTable()
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if not table.materials then table.materials = {} end
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table.materials[mat] = price
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writeTable(table)
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end
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---sets the worth of a currency
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---@param cur string
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---@param worth number
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function db.setWorth(cur,worth)
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local table = readTable()
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if not table.currencies then table.currencies = {} end
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table.currencies[cur] = worth
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writeTable(table)
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end
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---gets the currency unit string
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---@return string
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function db.getCurrencyUnit()
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return readTable().currency_unit or "cr"
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end
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---sets the currency unit string
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---@param unit string
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function db.setCurrencyUnit(unit)
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local table = readTable()
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table.currency_unit = unit
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writeTable(table)
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end
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return db |