loadsave.lua

--게임 저장과 로드를 위한 파일
-- https://docs.coronalabs.com/tutorial/data/jsonSaveLoad/index.html 페이지 참고

local M = {}
 
local json = require( "json" )
local defaultLocation = system.DocumentsDirectory
 
 
function M.saveTable( t, filename, location )
 
    local loc = location
    if not location then
        loc = defaultLocation
    end
 
    -- Path for the file to write
    local path = system.pathForFile( filename, loc )
 
    -- Open the file handle
    local file, errorString = io.open( path, "w" )
 
    if not file then
        -- Error occurred; output the cause
        print( "File error: " .. errorString )
        return false
    else
        -- Write encoded JSON data to file
        file:write( json.encode( t ) )
        -- Close the file handle
        io.close( file )
        return true
    end
end
 
function M.loadTable( filename, location )
 
    local loc = location
    if not location then
        loc = defaultLocation
    end
 
    -- Path for the file to read
    local path = system.pathForFile( filename, loc )
 
    -- Open the file handle
    local file, errorString = io.open( path, "r" )
 
    if not file then
        -- Error occurred; output the cause
        print( "File error: " .. errorString )
    else
        -- Read data from file
        local contents = file:read( "*a" )
        -- Decode JSON data into Lua table
        local t = json.decode( contents )
        -- Close the file handle
        io.close( file )
        -- Return table
        return t
    end
end

return M