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---Helper functions for saveing and loading players.
-- Defines functions for saveing/loading the player
--@server sv_queries.lua
--@alias q
local fn = nrequire("utility/fn.lua")
local track = nrequire("core/inventory/sv_invtracker.lua")
local log = nrequire("log.lua")
local q = {}
---Creats a string representation of a player.
-- The string can be used to re-create the player's data with teh deserialize_player function
--@tparam player ply The player to serialize
function q.serialize_player(ply)
if not IsValid(ply) and ply.data and ply.data.inventories then return "" end
local sdata = {}
local invs = {}
for k,v in pairs(ply.data.inventories) do
local idata = string.format("%q",v:Serialize())
invs[k] = {v.Name,string.sub(idata,2,#idata-1)} --remove the otter quotes
end
sdata.inventories = invs
sdata.skills = ply.data.skills
sdata.quests = ply.data.quests
sdata.prayers = ply.data.prayers
sdata.credits = ply.data.credits
local ret = util.TableToJSON(sdata)
return ret
end
---Loads a player from a serialized string.
-- Loads a player's data form the string given. The string can be created with the serialize_player() function
--@tparam player ply The player to load data for
--@tparam string str The string representation of the data
function q.deserialize_player(ply,str)
log.debug("Deserializing player's data : " .. ply:Nick() .. "\n" .. str)
track.ClearInventories(ply)
ply.data = ply.data or {}
ply.data.inventories = ply.data.inventories or {}
local tbl = util.JSONToTable(str)
if not tbl then
log.error("Failed to deserialize player " .. ply:Nick() .. "\n" .. str)
end
local invs = tbl.inventories
for k,v in pairs(invs) do
track.GiveInventoryWithData(ply,v[1],v[2])
end
ply.data.skills = tbl.skills or {}
ply.data.quests = tbl.quests or {}
ply.data.credits = tbl.credits or 100
track.SendPlayerData(ply)
end
---Formats for an sql query.
-- Kind of like string.format, but arguments are pasesd through SQL sanitization 
--@tparam string fmt The string.format function
--@tparam varargs ... The parameters to format the string with
function q.s_fmt(fmt,...)
local args = {...}
fn.map(args,MySQLite.SQLStr)
return string.format(fmt,unpack(args))
end
return q
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