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nut_scraper.nut
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local unichar = ["!",'"'.tochar(),"#","$","%","&","'","(",")","*","+",",","-",".","/","0","1","2","3","4","5","6","7","8","9",":",";","<","=",">","?","@","A","B","C","D","E","F","G","H","I","J","K","L","M","N","O","P","Q","R","S","T","U","V","W","X","Y","Z","[","_","]","^","_","`","a","b","c","d","e","f","g","h","i","j","k","l","m","n","o","p","q","r","s","t","u","v","w","x","y","z","{","|","}","~","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","",""," ","¡","¢","£","¤","¥","¦","§","¨","©","ª","«","¬","","®","¯","°","±","²","³","´","µ","¶","·","¸","¹","º","»","¼","½","¾","¿","À","Á","Â","Ã","Ä","Å","Æ","Ç","È","É","Ê","Ë","Ì","Í","Î","Ï","Ð","Ñ","Ò","Ó","Ô","Õ","Ö","×","Ø","Ù","Ú","Û","Ü","Ý","Þ","ß","à","á","â","ã","ä","å","æ","ç","è","é","ê","ë","ì","í","î","ï","ð","ñ","ò","ó","ô","õ","ö","÷","ø","ù","ú","û","ü","ý","þ","ÿ","Ā","ā","Ă","ă","Ą","ą","Ć","ć","Ĉ","ĉ","Ċ","ċ","Č","č","Ď","ď","Đ","đ","Ē","ē","Ĕ","ĕ","Ė","ė","Ę","ę","Ě","ě","Ĝ","ĝ","Ğ","ğ","Ġ","ġ","Ģ","ģ","Ĥ","ĥ","Ħ","ħ","Ĩ","ĩ","Ī","ī","Ĭ","ĭ","Į","į","İ","ı","IJ","ij","Ĵ","ĵ","Ķ","ķ","ĸ","Ĺ","ĺ","Ļ","ļ","Ľ","ľ","Ŀ","ŀ","Ł","ł","Ń","ń","Ņ","ņ","Ň","ň","ʼn","Ŋ","ŋ","Ō","ō","Ŏ","ŏ","Ő","ő","Œ","œ","Ŕ","ŕ","Ŗ","ŗ","Ř","ř","Ś","ś","Ŝ","ŝ","Ş","ş","Š","š","Ţ","ţ","Ť","ť","Ŧ","ŧ","Ũ","ũ","Ū","ū","Ŭ","ŭ","Ů","ů","Ű","ű","Ų","ų","Ŵ","ŵ","Ŷ","ŷ","Ÿ","Ź","ź","Ż","ż","Ž","ž","ſ","ƀ","Ɓ","Ƃ","ƃ","Ƅ","ƅ","Ɔ","Ƈ","ƈ","Ɖ","Ɗ","Ƌ","ƌ","ƍ","Ǝ","Ə","Ɛ","Ƒ","ƒ","Ɠ","Ɣ","ƕ","Ɩ","Ɨ","Ƙ","ƙ","ƚ","ƛ","Ɯ","Ɲ","ƞ","Ɵ","Ơ","ơ","Ƣ","ƣ","Ƥ","ƥ","Ʀ","Ƨ","ƨ","Ʃ","ƪ","ƫ","Ƭ","ƭ","Ʈ","Ư","ư","Ʊ","Ʋ","Ƴ","ƴ","Ƶ","ƶ","Ʒ","Ƹ","ƹ","ƺ","ƻ","Ƽ","ƽ","ƾ","ƿ","ǀ","ǁ","ǂ","ǃ","DŽ","Dž","dž","LJ","Lj","lj","NJ","Nj","nj","Ǎ","ǎ","Ǐ","ǐ","Ǒ","ǒ","Ǔ","ǔ","Ǖ","ǖ","Ǘ","ǘ","Ǚ","ǚ","Ǜ","ǜ","ǝ","Ǟ","ǟ","Ǡ","ǡ","Ǣ","ǣ","Ǥ","ǥ","Ǧ","ǧ","Ǩ","ǩ","Ǫ","ǫ","Ǭ","ǭ","Ǯ","ǯ","ǰ","DZ","Dz","dz","Ǵ","ǵ","Ƕ","Ƿ","Ǹ","ǹ","Ǻ","ǻ","Ǽ","ǽ","Ǿ","ǿ","Ȁ","ȁ","Ȃ","ȃ","Ȅ","ȅ","Ȇ","ȇ","Ȉ","ȉ","Ȋ","ȋ","Ȍ","ȍ","Ȏ","ȏ","Ȑ","ȑ","Ȓ","ȓ","Ȕ","ȕ","Ȗ","ȗ","Ș","ș","Ț","ț","Ȝ","ȝ","Ȟ","ȟ","Ƞ","ȡ","Ȣ","ȣ","Ȥ","ȥ","Ȧ","ȧ","Ȩ","ȩ","Ȫ","ȫ","Ȭ","ȭ","Ȯ","ȯ","Ȱ","ȱ","Ȳ","ȳ","ȴ","ȵ","ȶ","ȷ","ȸ","ȹ","Ⱥ","Ȼ","ȼ","Ƚ","Ⱦ","ȿ","ɀ","Ɂ","ɂ","Ƀ","Ʉ","Ʌ","Ɇ","ɇ","Ɉ","ɉ","Ɋ","ɋ","Ɍ","ɍ","Ɏ","ɏ"]
local unival = []
foreach (i, item in unichar){
unival.push ("\\u"+(format("%04x",0x21+i)))
}
local echoon = false
function echoprint (intext){
if (echoon) print(intext)
}
function uniclean(instring){
local idval = 0
local idtext = ""
local id = instring.find("\\u")
while (id != null){
idtext = instring.slice(id,id+6)
idval = unival.find(idtext)
try {
instring = instring.slice(0,id) + unichar[idval] + instring.slice(id+6)
}catch (err){
instring = instring.slice(0,id) + "?" + instring.slice(id+6)
}
id = instring.find("\\u")
}
return instring
}
function unicorrect(){
local unicorrect = []
unicorrect.push ({old = "\\r", new = ""})
unicorrect.push ({old = "\\n", new = "^"})
unicorrect.push ({old = """, new = "'"})
unicorrect.push ({old = " ", new = " "})
unicorrect.push ({old = "&", new = "&"})
unicorrect.push ({old = "'", new = "'"})
unicorrect.push ({old = ">", new = ">"})
unicorrect.push ({old = "<", new = ""})
unicorrect.push ({old = "\\/", new = "/"})
return unicorrect
}
local actionfile = false
local affolder = fe.path_expand(fe.script_dir)
local afuserfolder = fe.path_expand(fe.script_dir)
local afamfolder = fe.path_expand(FeConfigDirectory)
if (!(affolder.find(afamfolder) == 0)){
afuserfolder = afamfolder+".arcadeflow/"
}
function cleanWHDL(inputname){
local outputname = ""
local vstart = inputname.find("_v")
if (vstart == null) {
return inputname
}
local prestring = inputname.slice(0,vstart)
local poststring = inputname.slice(vstart+1)
local vstop = poststring.find("_")
if (vstop != null) {
poststring = poststring.slice(vstop+1)
outputname = prestring+"_"+poststring
}
else outputname = prestring
return outputname
}
function matchrom(scrapeid, filename){
// Returns two crc values: one is from the rom directly matched during the scraping
// the other is from one of the roms in the list, matching the name of current rom
local jstab = dofile (afuserfolder+"json/" + scrapeid+"json_out.nut")
local crc_from_romlist = ""
local crc_from_romid = ""
local size_from_romlist = ""
local size_from_romid = ""
// Scan all roms from this game
try {
foreach (i,item in jstab.response.jeu.roms){
local romext = split(item.romfilename,".")
local romcleanname = ""
if (romext.len() == 1)
romcleanname = item.romfilename
else {
romext = romext[romext.len()-1]
romcleanname = item.romfilename.slice(0,-1*(1+romext.len()))
}
// If the name of the current rom matches the name of the rom in the list, sets crc_from_romlist the crc associated
if (romcleanname == filename) {
crc_from_romlist = item.romcrc
size_from_romlist = item.romsize
break
}
// Add here custom check for Amiga WHDLoad filename without version, that is:
// if a rom in the list has the same name except for version, the crc is used
else if (romcleanname.find("_v") != null){
if (cleanWHDL(romcleanname) == cleanWHDL(filename)){
crc_from_romlist = item.romcrc
size_from_romlist = item.romsize
break
}
}
}
} catch(err) {print("\nROMERROR\n")}
// Now find the crc from the rom associated with this search
try {crc_from_romid = jstab.response.jeu.rom.romcrc} catch(err) {print("\nCRCERROR\n")}
try {size_from_romid = jstab.response.jeu.rom.romsize} catch(err) {print("\nSIZEERROR\n")}
return ({
name_crc = crc_from_romlist,
rom_crc = crc_from_romid,
name_size = size_from_romlist,
rom_size = size_from_romid
})
}
function collapsetable(tablein,tablecriteria){
local out = {}
foreach (i, item in tablein){
out[item[tablecriteria]] <- item.text
}
return (out)
}
function filtertable(tablein,filters,force){
local out = ""
for (local i = filters.len()-1 ; i>=0 ; i--){
try {out = tablein[filters[i]]} catch (err){}
}
if ((out == "") && (force)){
foreach (i, item in tablein){
out = item
}
}
return out
}
function parsejsonA(scrapeid, gamedata){
local jstab = null
try {jstab = dofile (afuserfolder+"json/" + scrapeid+"jsonA_out.nut")} catch(err) {return({})}
if (jstab.result.len() == 0) {
gamedata.isarcade = false
return gamedata
}
try {gamedata.adb_title = jstab.result[0].title} catch (err){}
try {gamedata.adb_cloneof = jstab.result[0].cloneof} catch (err){}
try {gamedata.adb_manufacturer = jstab.result[0].manufacturer} catch (err){}
try {gamedata.adb_genre = jstab.result[0].genre} catch (err){}
try {gamedata.adb_players = jstab.result[0].players} catch (err){}
try {gamedata.adb_year = jstab.result[0].year} catch (err){}
try {gamedata.adb_status = jstab.result[0].status} catch (err){}
try {gamedata.adb_rate = jstab.result[0].rate} catch (err){}
try {gamedata.adb_inputcontrols = jstab.result[0].input_controls} catch (err){}
try {gamedata.adb_inputbuttons = jstab.result[0].input_buttons} catch (err){}
try {gamedata.adb_buttonscolors = jstab.result[0].buttons_colors} catch (err){}
try {gamedata.adb_serie = jstab.result[0].serie} catch (err){}
try {gamedata.adb_screenorientation = jstab.result[0].screen_orientation} catch (err){}
try {gamedata.adb_screenresolution = jstab.result[0].screen_resolution} catch (err){}
try {gamedata.adb_history = jstab.result[0].history} catch (err){}
// PARSING MEDIA SCRAPE
local ss_cat = ["ss","wheel-hd","wheel","video-normalized","video","box-2D","marquee","sstitle","fanart","box-3D"]
local AF_priority = [0,1,0,1,0,0,0,0,0,0]
local AF_cat = ["snap","wheel","wheel","video","video","flyer","marquee","title","fanart","box3d"]
local AF_extA = ["png","png","png","mp4","mp4","png","png","png","png","png"]
gamedata.adb_media = {}
try {gamedata.adb_media["snap"] <- {
url = jstab.result[0].url_image_ingame
ext = "png"
}} catch(err) {}
try {gamedata.adb_media["video"] <- {
url = jstab.result[0].url_video_shortplay
ext = "mp4"
}} catch(err) {}
try {gamedata.adb_media["flyer"] <- {
url = jstab.result[0].url_image_flyer
ext = "png"
}} catch(err) {}
try {gamedata.adb_media["marquee"] <- {
url = jstab.result[0].url_image_marquee
ext = "png"
}} catch(err) {}
try {gamedata.adb_media["title"] <- {
url = jstab.result[0].url_image_title
ext = "png"
}} catch(err) {}
try {gamedata.adb_media["wheel"] <- {
url = "http://adb.arcadeitalia.net/media/mame.current/decals/"+gamedata.name+".png"//"http://adb.arcadeitalia.net/?mame="+gamedata.filename+"&type=decal&resize=0"
ext = "png"
}} catch(err) {}
return gamedata
}
function parsejson(scrapeid, gamedata){
local jstab = null
try {jstab = dofile (afuserfolder+"json/" + scrapeid+"json_out.nut")} catch(err) {return({})}
local filenameregions = ""
local filenameregionsarray = []
local regionnames = ["World","USA","Europe","Japan","Italy","France","Germany","Spain","Korea","Taiwan","Asia","Australia","Brazil","Canada","China","Denmark","Finland","Netherlands","Portugal","United Kingdom","Russia","Sweden","Turkey"]
local regionshort = ["wor","us","eu","jp","it","fr","de","sp","kr","tw","asi","au","br","ca","cn","dk","fi","nl","pt","uk","ru","se","tr"]
local regionsubstring = ""
try {regionsubstring = split(gamedata.filename, "(")[1]} catch(err) {}
foreach (id, item in regionnames){
if (regionsubstring.find(item) != null){
filenameregionsarray.push(regionshort[id])
}
}
for (local i = 0 ; i < filenameregionsarray.len()-1;i++){
filenameregions = filenameregions + filenameregionsarray[i]+","
}
try {filenameregions = filenameregions + filenameregionsarray[filenameregionsarray.len()-1]} catch(err) {}
// ** filenameregions is the list of regions from the filename (eg. japan, usa etc) in SS format (eg. jp, us ecc)
local regionprefs = gamedata.regionprefs
// ** regionprefs is the region preference list as set in Arcadeflow
local romregionsarray = [""]
local romregions = ""
try {romregions = jstab.response.jeu.rom.romregions} catch (err){}
try {romregionsarray = split(romregions,", ")} catch (err){}
//** romregions are the roms data from the jstab.response.jeu.rom.romregions in the json
if (romregions = "") {
try {romregions = jstab.response.jeu.regions.shortname} catch (err){}
try {romregionsarray = split(romregions,", ")} catch (err){}
}
// Assign romregions and romregionsarray to the proper source (filename, if present, rules over metadata)
if (filenameregions != "") {
romregions = filenameregions
romregionsarray = filenameregionsarray
}
// Now sort romregions using regionprefs array as reference.
local tempromregions = []
local tempromregions2 = []
foreach (i, item in regionprefs){
if (romregions.find(item) != null) tempromregions.push(item)
else tempromregions2.push(item)
}
foreach (i, item in tempromregions2){
tempromregions.push (item)
}
romregionsarray = tempromregions
local langtouse = "en"
// Gets the regions for the current rom
gamedata.regions = romregions
// Collapses the name by region table, scans the rom regions to find the proper name
// For multi-region roms, it gets the first by default (so eu,jp will return eu if present)
// This can be changed in the future to allow region preferences for multiple rom regions
gamedata.title = filtertable(collapsetable(jstab.response.jeu.noms,"region"),romregionsarray,false)
// If no proper name is found with the correct rom region, search for "ss" game name
if (gamedata.title == "") {
try {gamedata.title = collapsetable(jstab.response.jeu.noms,"region")["ss"]}
catch(err){}
}
try {gamedata.publisher = jstab.response.jeu.editeur.text} catch (err){}
try {gamedata.developer = jstab.response.jeu.developpeur.text} catch (err){}
try {gamedata.players = jstab.response.jeu.joueurs.text} catch (err){}
try {gamedata.rating = jstab.response.jeu.note.text.tointeger()*1.0/2.0} catch (err){}
// At the moment filters synopsis and only gets the english version (hardcoded, may change in the future)
try {gamedata.synopsis = collapsetable(jstab.response.jeu.synopsis,"langue")[langtouse]} catch(err) {}
// Scans the release date table to look for the rom region entry, if not found it scans the whole
// table and basically outputs the topmost entry, whatever it is
try {gamedata.releasedate = split(filtertable(collapsetable(jstab.response.jeu.dates,"region"),regionprefs,true),"-")[0]} catch(err) {}
// Scans the whole familles table for noms, if the language is the correct one it returns it, otherwise it keeps
// scanning and returns whatever it finds (usually "fr")
try {
foreach (i, item in jstab.response.jeu.familles){
foreach (i2, item2 in item.noms){
gamedata.series = item2.text
if (i2 == langtouse) break
}
}
} catch (err){}
// Scans all the genres in the selected language, by preference it selects the first genre with "/" structure
// otherwise the first genre with no "/" structure
local genresarray_main = []
local genresarray_sub = []
try {
foreach (i, item in jstab.response.jeu.genres){
local genretable = collapsetable(item.noms,"langue")
if (item.principale == "1") genresarray_main.push (genretable[langtouse])
if (item.principale == "0") genresarray_sub.push (genretable[langtouse])
}
} catch (err) {}
if (genresarray_sub.len() != 0)
gamedata.genre = genresarray_sub[0]
else if (genresarray_main.len() != 0)
gamedata.genre = genresarray_main[0]
local extraitems = ["demo","proto","unl","beta"]
foreach (i, item in extraitems){
try {if ((jstab.response.jeu.rom[item] == "1") && (gamedata.filename.tolower().find(item)!=null)) gamedata.extradata += (gamedata.extradata == "" ? item : ","+item)} catch (err){}
}
try {
gamedata.requests = jstab.response.ssuser.requeststoday+"/"+jstab.response.ssuser.maxrequestsperday
} catch(err) {}
try {
gamedata.SSthreads = jstab.response.ssuser.maxthreads.tointeger()
} catch(err) {}
try {
gamedata.notgame = jstab.response.jeu.notgame == "true"
} catch(err) {
gamedata.notgame = false
}
// SCRAPE DATA FOR ARCADE GAMES
if (gamedata.isarcade){
try {gamedata.a_rotation = jstab.response.jeu.rotation} catch (err){}
try {gamedata.a_resolution = jstab.response.jeu.resolution} catch (err){}
try {gamedata.a_system = jstab.response.jeu.systeme.text} catch (err){}
local a_controls = ""
try {a_controls = jstab.response.jeu.controles} catch (err){}
local a_controls_array = split (a_controls,"^")
if (a_controls_array.len()<2) a_controls_array = split (a_controls,"|")
local a_controls_table = {}
foreach (i,item in a_controls_array) {
local zip = split (item,"=")
if (zip.len()>1) a_controls_table[zip[0]] <- zip[1]
}
try {gamedata.a_buttons = a_controls_table["P1NumButtons"]}
catch(err)
{try {gamedata.a_controls = a_controls_table["Buttons"]} catch(err) {print ("NODATA\n")}}
try {gamedata.a_controls = split(a_controls_table["P1Controls"],"+")[0]}
catch(err)
{try {gamedata.a_controls = a_controls_table["Input"]} catch(err) {print ("NODATA\n")}}
}
// PARSING MEDIA SCRAPE
local ss_cat = ["ss","wheel-hd","wheel","video-normalized","video","box-2D","marquee","sstitle","fanart","box-3D"]
local AF_priority = [0,1,0,1,0,0,0,0,0,0]
local AF_cat = ["snap","wheel","wheel","video","video","flyer","marquee","title","fanart","box3d"]
gamedata.media = {}
foreach (id, item in AF_cat){
gamedata.media[item] <- []
}
foreach (id,item in jstab.response.jeu.medias){
try {
local catname = AF_cat[ss_cat.find(item.type)]//= catmap[item.type]
local catpriority = AF_priority[ss_cat.find(item.type)]
local checkregion = ""
try {checkregion = item.region} catch(err) {}
local tempdata = {
path = item.url
region = checkregion
extension = item.format
}
if (catpriority == 0) gamedata.media[catname].push(tempdata)
else gamedata.media[catname].insert(0,tempdata)
}
catch(err){}
}
foreach (id, item in gamedata.media){
if (item.len() > 1) { // There is more than one media in this category
// Region filtering
local filteredarray = null
// First round, check if one of the rom regions is present,
// checking from back to front (eg: eu,us privileges eu)
for (local i2 = romregionsarray.len()-1; i2>=0;i2--){
local item2 = romregionsarray[i2]
foreach (i3, item3 in item){
if (item2 == item3.region) {
filteredarray = [item3]
}
}
}
// No correct rom region, for the second round we take
// the first available region from wor and ss entries
if (filteredarray == null) {
foreach (i2, item2 in ["wor","ss"]){
foreach (i3, item3 in item){
if (item2 == item3.region) {
filteredarray = [item3]
}
}
}
}
if (filteredarray == null) filteredarray = [item[0]]
gamedata.media[id] = filteredarray
}
}
foreach (id, item in gamedata.media){
if (item != null){
foreach (id2, item2 in item){
foreach (id3, item3 in item2){
}
}
}
}
if (jstab.response.jeu.rawin("roms")){
foreach (id, item in jstab.response.jeu.roms){
try {if (item.id == jstab.response.jeu.romid) gamedata.matchedrom = item.romfilename} catch(err) {}
}
}
return gamedata
}
function getromcrc(filepath){
local f_in = file(filepath, "rb" )
local crc = null
local blb = null
if (IS_ZIP(filepath)){
local zipcontent = zip_get_dir(filepath)
//NOTE: If the zip has more than one file, check the crc of the zip itselfs
if (zipcontent.len() == 1) blb = zip_extract_file(filepath, zipcontent[0] )
else blb = f_in.readblob(20*1000*1000) //loads up to 20 megs
}
else {
blb = f_in.readblob(20*1000*1000) //loads up to 20 megs
}
local i = 0
local crc = 0xFFFFFFFF
local mask = 0
local byte = 0
while (i<blb.len()) {
byte = blb[i]
crc = crc ^ byte
crc = (crc >> 1) ^ (0xEDB88320 & -(crc & 1))
crc = (crc >> 1) ^ (0xEDB88320 & -(crc & 1))
crc = (crc >> 1) ^ (0xEDB88320 & -(crc & 1))
crc = (crc >> 1) ^ (0xEDB88320 & -(crc & 1))
crc = (crc >> 1) ^ (0xEDB88320 & -(crc & 1))
crc = (crc >> 1) ^ (0xEDB88320 & -(crc & 1))
crc = (crc >> 1) ^ (0xEDB88320 & -(crc & 1))
crc = (crc >> 1) ^ (0xEDB88320 & -(crc & 1))
i = i + 1
}
crc = ~crc
return ([format("%X",crc).slice(-8),format("%x",crc).slice(-8)])
}
function getromcrc_halfbyte(filepath){
local Crc32Lookup16 = [0x00000000,0x1DB71064,0x3B6E20C8,0x26D930AC,0x76DC4190,0x6B6B51F4,0x4DB26158,0x5005713C,0xEDB88320,0xF00F9344,0xD6D6A3E8,0xCB61B38C,0x9B64C2B0,0x86D3D2D4,0xA00AE278,0xBDBDF21C]
local f_in = file(filepath, "rb" )
local crc = null
local blb = null
if (IS_ZIP(filepath)){
local zipcontent = zip_get_dir(filepath)
//NOTE: If the zip has more than one file, check the crc of the zip itselfs
if (zipcontent.len() == 1) blb = zip_extract_file(filepath, zipcontent[0] )
else blb = f_in.readblob(20*1000*1000) //loads up to 20 megs
}
else {
blb = f_in.readblob(20*1000*1000) //loads up to 20 megs
}
local i = 0
local crc = 0xFFFFFFFF
local mask = 0
local byte = 0
while (i<blb.len()) {
byte = blb[i]
crc = Crc32Lookup16[(crc ^ byte ) & 0x0F] ^ (crc >> 4)
crc = Crc32Lookup16[(crc ^ (byte >> 4)) & 0x0F] ^ (crc >> 4)
i = i + 1
}
crc = ~crc
return ([format("%X",crc).slice(-8),format("%x",crc).slice(-8)])
}
local Crc32Lookup = [0x00000000,0x77073096,0xEE0E612C,0x990951BA,0x076DC419,0x706AF48F,0xE963A535,0x9E6495A3,0x0EDB8832,0x79DCB8A4,0xE0D5E91E,0x97D2D988,0x09B64C2B,0x7EB17CBD,0xE7B82D07,0x90BF1D91,0x1DB71064,0x6AB020F2,0xF3B97148,0x84BE41DE,0x1ADAD47D,0x6DDDE4EB,0xF4D4B551,0x83D385C7,0x136C9856,0x646BA8C0,0xFD62F97A,0x8A65C9EC,0x14015C4F,0x63066CD9,0xFA0F3D63,0x8D080DF5,0x3B6E20C8,0x4C69105E,0xD56041E4,0xA2677172,0x3C03E4D1,0x4B04D447,0xD20D85FD,0xA50AB56B,0x35B5A8FA,0x42B2986C,0xDBBBC9D6,0xACBCF940,0x32D86CE3,0x45DF5C75,0xDCD60DCF,0xABD13D59,0x26D930AC,0x51DE003A,0xC8D75180,0xBFD06116,0x21B4F4B5,0x56B3C423,0xCFBA9599,0xB8BDA50F,0x2802B89E,0x5F058808,0xC60CD9B2,0xB10BE924,0x2F6F7C87,0x58684C11,0xC1611DAB,0xB6662D3D,0x76DC4190,0x01DB7106,0x98D220BC,0xEFD5102A,0x71B18589,0x06B6B51F,0x9FBFE4A5,0xE8B8D433,0x7807C9A2,0x0F00F934,0x9609A88E,0xE10E9818,0x7F6A0DBB,0x086D3D2D,0x91646C97,0xE6635C01,0x6B6B51F4,0x1C6C6162,0x856530D8,0xF262004E,0x6C0695ED,0x1B01A57B,0x8208F4C1,0xF50FC457,0x65B0D9C6,0x12B7E950,0x8BBEB8EA,0xFCB9887C,0x62DD1DDF,0x15DA2D49,0x8CD37CF3,0xFBD44C65,0x4DB26158,0x3AB551CE,0xA3BC0074,0xD4BB30E2,0x4ADFA541,0x3DD895D7,0xA4D1C46D,0xD3D6F4FB,0x4369E96A,0x346ED9FC,0xAD678846,0xDA60B8D0,0x44042D73,0x33031DE5,0xAA0A4C5F,0xDD0D7CC9,0x5005713C,0x270241AA,0xBE0B1010,0xC90C2086,0x5768B525,0x206F85B3,0xB966D409,0xCE61E49F,0x5EDEF90E,0x29D9C998,0xB0D09822,0xC7D7A8B4,0x59B33D17,0x2EB40D81,0xB7BD5C3B,0xC0BA6CAD,0xEDB88320,0x9ABFB3B6,0x03B6E20C,0x74B1D29A,0xEAD54739,0x9DD277AF,0x04DB2615,0x73DC1683,0xE3630B12,0x94643B84,0x0D6D6A3E,0x7A6A5AA8,0xE40ECF0B,0x9309FF9D,0x0A00AE27,0x7D079EB1,0xF00F9344,0x8708A3D2,0x1E01F268,0x6906C2FE,0xF762575D,0x806567CB,0x196C3671,0x6E6B06E7,0xFED41B76,0x89D32BE0,0x10DA7A5A,0x67DD4ACC,0xF9B9DF6F,0x8EBEEFF9,0x17B7BE43,0x60B08ED5,0xD6D6A3E8,0xA1D1937E,0x38D8C2C4,0x4FDFF252,0xD1BB67F1,0xA6BC5767,0x3FB506DD,0x48B2364B,0xD80D2BDA,0xAF0A1B4C,0x36034AF6,0x41047A60,0xDF60EFC3,0xA867DF55,0x316E8EEF,0x4669BE79,0xCB61B38C,0xBC66831A,0x256FD2A0,0x5268E236,0xCC0C7795,0xBB0B4703,0x220216B9,0x5505262F,0xC5BA3BBE,0xB2BD0B28,0x2BB45A92,0x5CB36A04,0xC2D7FFA7,0xB5D0CF31,0x2CD99E8B,0x5BDEAE1D,0x9B64C2B0,0xEC63F226,0x756AA39C,0x026D930A,0x9C0906A9,0xEB0E363F,0x72076785,0x05005713,0x95BF4A82,0xE2B87A14,0x7BB12BAE,0x0CB61B38,0x92D28E9B,0xE5D5BE0D,0x7CDCEFB7,0x0BDBDF21,0x86D3D2D4,0xF1D4E242,0x68DDB3F8,0x1FDA836E,0x81BE16CD,0xF6B9265B,0x6FB077E1,0x18B74777,0x88085AE6,0xFF0F6A70,0x66063BCA,0x11010B5C,0x8F659EFF,0xF862AE69,0x616BFFD3,0x166CCF45,0xA00AE278,0xD70DD2EE,0x4E048354,0x3903B3C2,0xA7672661,0xD06016F7,0x4969474D,0x3E6E77DB,0xAED16A4A,0xD9D65ADC,0x40DF0B66,0x37D83BF0,0xA9BCAE53,0xDEBB9EC5,0x47B2CF7F,0x30B5FFE9,0xBDBDF21C,0xCABAC28A,0x53B39330,0x24B4A3A6,0xBAD03605,0xCDD70693,0x54DE5729,0x23D967BF,0xB3667A2E,0xC4614AB8,0x5D681B02,0x2A6F2B94,0xB40BBE37,0xC30C8EA1,0x5A05DF1B,0x2D02EF8D]
local Crc32Lookup4 = [[0x00000000,0x77073096,0xEE0E612C,0x990951BA,0x076DC419,0x706AF48F,0xE963A535,0x9E6495A3,
0x0EDB8832,0x79DCB8A4,0xE0D5E91E,0x97D2D988,0x09B64C2B,0x7EB17CBD,0xE7B82D07,0x90BF1D91,
0x1DB71064,0x6AB020F2,0xF3B97148,0x84BE41DE,0x1ADAD47D,0x6DDDE4EB,0xF4D4B551,0x83D385C7,
0x136C9856,0x646BA8C0,0xFD62F97A,0x8A65C9EC,0x14015C4F,0x63066CD9,0xFA0F3D63,0x8D080DF5,
0x3B6E20C8,0x4C69105E,0xD56041E4,0xA2677172,0x3C03E4D1,0x4B04D447,0xD20D85FD,0xA50AB56B,
0x35B5A8FA,0x42B2986C,0xDBBBC9D6,0xACBCF940,0x32D86CE3,0x45DF5C75,0xDCD60DCF,0xABD13D59,
0x26D930AC,0x51DE003A,0xC8D75180,0xBFD06116,0x21B4F4B5,0x56B3C423,0xCFBA9599,0xB8BDA50F,
0x2802B89E,0x5F058808,0xC60CD9B2,0xB10BE924,0x2F6F7C87,0x58684C11,0xC1611DAB,0xB6662D3D,
0x76DC4190,0x01DB7106,0x98D220BC,0xEFD5102A,0x71B18589,0x06B6B51F,0x9FBFE4A5,0xE8B8D433,
0x7807C9A2,0x0F00F934,0x9609A88E,0xE10E9818,0x7F6A0DBB,0x086D3D2D,0x91646C97,0xE6635C01,
0x6B6B51F4,0x1C6C6162,0x856530D8,0xF262004E,0x6C0695ED,0x1B01A57B,0x8208F4C1,0xF50FC457,
0x65B0D9C6,0x12B7E950,0x8BBEB8EA,0xFCB9887C,0x62DD1DDF,0x15DA2D49,0x8CD37CF3,0xFBD44C65,
0x4DB26158,0x3AB551CE,0xA3BC0074,0xD4BB30E2,0x4ADFA541,0x3DD895D7,0xA4D1C46D,0xD3D6F4FB,
0x4369E96A,0x346ED9FC,0xAD678846,0xDA60B8D0,0x44042D73,0x33031DE5,0xAA0A4C5F,0xDD0D7CC9,
0x5005713C,0x270241AA,0xBE0B1010,0xC90C2086,0x5768B525,0x206F85B3,0xB966D409,0xCE61E49F,
0x5EDEF90E,0x29D9C998,0xB0D09822,0xC7D7A8B4,0x59B33D17,0x2EB40D81,0xB7BD5C3B,0xC0BA6CAD,
0xEDB88320,0x9ABFB3B6,0x03B6E20C,0x74B1D29A,0xEAD54739,0x9DD277AF,0x04DB2615,0x73DC1683,
0xE3630B12,0x94643B84,0x0D6D6A3E,0x7A6A5AA8,0xE40ECF0B,0x9309FF9D,0x0A00AE27,0x7D079EB1,
0xF00F9344,0x8708A3D2,0x1E01F268,0x6906C2FE,0xF762575D,0x806567CB,0x196C3671,0x6E6B06E7,
0xFED41B76,0x89D32BE0,0x10DA7A5A,0x67DD4ACC,0xF9B9DF6F,0x8EBEEFF9,0x17B7BE43,0x60B08ED5,
0xD6D6A3E8,0xA1D1937E,0x38D8C2C4,0x4FDFF252,0xD1BB67F1,0xA6BC5767,0x3FB506DD,0x48B2364B,
0xD80D2BDA,0xAF0A1B4C,0x36034AF6,0x41047A60,0xDF60EFC3,0xA867DF55,0x316E8EEF,0x4669BE79,
0xCB61B38C,0xBC66831A,0x256FD2A0,0x5268E236,0xCC0C7795,0xBB0B4703,0x220216B9,0x5505262F,
0xC5BA3BBE,0xB2BD0B28,0x2BB45A92,0x5CB36A04,0xC2D7FFA7,0xB5D0CF31,0x2CD99E8B,0x5BDEAE1D,
0x9B64C2B0,0xEC63F226,0x756AA39C,0x026D930A,0x9C0906A9,0xEB0E363F,0x72076785,0x05005713,
0x95BF4A82,0xE2B87A14,0x7BB12BAE,0x0CB61B38,0x92D28E9B,0xE5D5BE0D,0x7CDCEFB7,0x0BDBDF21,
0x86D3D2D4,0xF1D4E242,0x68DDB3F8,0x1FDA836E,0x81BE16CD,0xF6B9265B,0x6FB077E1,0x18B74777,
0x88085AE6,0xFF0F6A70,0x66063BCA,0x11010B5C,0x8F659EFF,0xF862AE69,0x616BFFD3,0x166CCF45,
0xA00AE278,0xD70DD2EE,0x4E048354,0x3903B3C2,0xA7672661,0xD06016F7,0x4969474D,0x3E6E77DB,
0xAED16A4A,0xD9D65ADC,0x40DF0B66,0x37D83BF0,0xA9BCAE53,0xDEBB9EC5,0x47B2CF7F,0x30B5FFE9,
0xBDBDF21C,0xCABAC28A,0x53B39330,0x24B4A3A6,0xBAD03605,0xCDD70693,0x54DE5729,0x23D967BF,
0xB3667A2E,0xC4614AB8,0x5D681B02,0x2A6F2B94,0xB40BBE37,0xC30C8EA1,0x5A05DF1B,0x2D02EF8D
],
[0x00000000,0x191B3141,0x32366282,0x2B2D53C3,0x646CC504,0x7D77F445,0x565AA786,0x4F4196C7,
0xC8D98A08,0xD1C2BB49,0xFAEFE88A,0xE3F4D9CB,0xACB54F0C,0xB5AE7E4D,0x9E832D8E,0x87981CCF,
0x4AC21251,0x53D92310,0x78F470D3,0x61EF4192,0x2EAED755,0x37B5E614,0x1C98B5D7,0x05838496,
0x821B9859,0x9B00A918,0xB02DFADB,0xA936CB9A,0xE6775D5D,0xFF6C6C1C,0xD4413FDF,0xCD5A0E9E,
0x958424A2,0x8C9F15E3,0xA7B24620,0xBEA97761,0xF1E8E1A6,0xE8F3D0E7,0xC3DE8324,0xDAC5B265,
0x5D5DAEAA,0x44469FEB,0x6F6BCC28,0x7670FD69,0x39316BAE,0x202A5AEF,0x0B07092C,0x121C386D,
0xDF4636F3,0xC65D07B2,0xED705471,0xF46B6530,0xBB2AF3F7,0xA231C2B6,0x891C9175,0x9007A034,
0x179FBCFB,0x0E848DBA,0x25A9DE79,0x3CB2EF38,0x73F379FF,0x6AE848BE,0x41C51B7D,0x58DE2A3C,
0xF0794F05,0xE9627E44,0xC24F2D87,0xDB541CC6,0x94158A01,0x8D0EBB40,0xA623E883,0xBF38D9C2,
0x38A0C50D,0x21BBF44C,0x0A96A78F,0x138D96CE,0x5CCC0009,0x45D73148,0x6EFA628B,0x77E153CA,
0xBABB5D54,0xA3A06C15,0x888D3FD6,0x91960E97,0xDED79850,0xC7CCA911,0xECE1FAD2,0xF5FACB93,
0x7262D75C,0x6B79E61D,0x4054B5DE,0x594F849F,0x160E1258,0x0F152319,0x243870DA,0x3D23419B,
0x65FD6BA7,0x7CE65AE6,0x57CB0925,0x4ED03864,0x0191AEA3,0x188A9FE2,0x33A7CC21,0x2ABCFD60,
0xAD24E1AF,0xB43FD0EE,0x9F12832D,0x8609B26C,0xC94824AB,0xD05315EA,0xFB7E4629,0xE2657768,
0x2F3F79F6,0x362448B7,0x1D091B74,0x04122A35,0x4B53BCF2,0x52488DB3,0x7965DE70,0x607EEF31,
0xE7E6F3FE,0xFEFDC2BF,0xD5D0917C,0xCCCBA03D,0x838A36FA,0x9A9107BB,0xB1BC5478,0xA8A76539,
0x3B83984B,0x2298A90A,0x09B5FAC9,0x10AECB88,0x5FEF5D4F,0x46F46C0E,0x6DD93FCD,0x74C20E8C,
0xF35A1243,0xEA412302,0xC16C70C1,0xD8774180,0x9736D747,0x8E2DE606,0xA500B5C5,0xBC1B8484,
0x71418A1A,0x685ABB5B,0x4377E898,0x5A6CD9D9,0x152D4F1E,0x0C367E5F,0x271B2D9C,0x3E001CDD,
0xB9980012,0xA0833153,0x8BAE6290,0x92B553D1,0xDDF4C516,0xC4EFF457,0xEFC2A794,0xF6D996D5,
0xAE07BCE9,0xB71C8DA8,0x9C31DE6B,0x852AEF2A,0xCA6B79ED,0xD37048AC,0xF85D1B6F,0xE1462A2E,
0x66DE36E1,0x7FC507A0,0x54E85463,0x4DF36522,0x02B2F3E5,0x1BA9C2A4,0x30849167,0x299FA026,
0xE4C5AEB8,0xFDDE9FF9,0xD6F3CC3A,0xCFE8FD7B,0x80A96BBC,0x99B25AFD,0xB29F093E,0xAB84387F,
0x2C1C24B0,0x350715F1,0x1E2A4632,0x07317773,0x4870E1B4,0x516BD0F5,0x7A468336,0x635DB277,
0xCBFAD74E,0xD2E1E60F,0xF9CCB5CC,0xE0D7848D,0xAF96124A,0xB68D230B,0x9DA070C8,0x84BB4189,
0x03235D46,0x1A386C07,0x31153FC4,0x280E0E85,0x674F9842,0x7E54A903,0x5579FAC0,0x4C62CB81,
0x8138C51F,0x9823F45E,0xB30EA79D,0xAA1596DC,0xE554001B,0xFC4F315A,0xD7626299,0xCE7953D8,
0x49E14F17,0x50FA7E56,0x7BD72D95,0x62CC1CD4,0x2D8D8A13,0x3496BB52,0x1FBBE891,0x06A0D9D0,
0x5E7EF3EC,0x4765C2AD,0x6C48916E,0x7553A02F,0x3A1236E8,0x230907A9,0x0824546A,0x113F652B,
0x96A779E4,0x8FBC48A5,0xA4911B66,0xBD8A2A27,0xF2CBBCE0,0xEBD08DA1,0xC0FDDE62,0xD9E6EF23,
0x14BCE1BD,0x0DA7D0FC,0x268A833F,0x3F91B27E,0x70D024B9,0x69CB15F8,0x42E6463B,0x5BFD777A,
0xDC656BB5,0xC57E5AF4,0xEE530937,0xF7483876,0xB809AEB1,0xA1129FF0,0x8A3FCC33,0x9324FD72
],
[0x00000000,0x01C26A37,0x0384D46E,0x0246BE59,0x0709A8DC,0x06CBC2EB,0x048D7CB2,0x054F1685,
0x0E1351B8,0x0FD13B8F,0x0D9785D6,0x0C55EFE1,0x091AF964,0x08D89353,0x0A9E2D0A,0x0B5C473D,
0x1C26A370,0x1DE4C947,0x1FA2771E,0x1E601D29,0x1B2F0BAC,0x1AED619B,0x18ABDFC2,0x1969B5F5,
0x1235F2C8,0x13F798FF,0x11B126A6,0x10734C91,0x153C5A14,0x14FE3023,0x16B88E7A,0x177AE44D,
0x384D46E0,0x398F2CD7,0x3BC9928E,0x3A0BF8B9,0x3F44EE3C,0x3E86840B,0x3CC03A52,0x3D025065,
0x365E1758,0x379C7D6F,0x35DAC336,0x3418A901,0x3157BF84,0x3095D5B3,0x32D36BEA,0x331101DD,
0x246BE590,0x25A98FA7,0x27EF31FE,0x262D5BC9,0x23624D4C,0x22A0277B,0x20E69922,0x2124F315,
0x2A78B428,0x2BBADE1F,0x29FC6046,0x283E0A71,0x2D711CF4,0x2CB376C3,0x2EF5C89A,0x2F37A2AD,
0x709A8DC0,0x7158E7F7,0x731E59AE,0x72DC3399,0x7793251C,0x76514F2B,0x7417F172,0x75D59B45,
0x7E89DC78,0x7F4BB64F,0x7D0D0816,0x7CCF6221,0x798074A4,0x78421E93,0x7A04A0CA,0x7BC6CAFD,
0x6CBC2EB0,0x6D7E4487,0x6F38FADE,0x6EFA90E9,0x6BB5866C,0x6A77EC5B,0x68315202,0x69F33835,
0x62AF7F08,0x636D153F,0x612BAB66,0x60E9C151,0x65A6D7D4,0x6464BDE3,0x662203BA,0x67E0698D,
0x48D7CB20,0x4915A117,0x4B531F4E,0x4A917579,0x4FDE63FC,0x4E1C09CB,0x4C5AB792,0x4D98DDA5,
0x46C49A98,0x4706F0AF,0x45404EF6,0x448224C1,0x41CD3244,0x400F5873,0x4249E62A,0x438B8C1D,
0x54F16850,0x55330267,0x5775BC3E,0x56B7D609,0x53F8C08C,0x523AAABB,0x507C14E2,0x51BE7ED5,
0x5AE239E8,0x5B2053DF,0x5966ED86,0x58A487B1,0x5DEB9134,0x5C29FB03,0x5E6F455A,0x5FAD2F6D,
0xE1351B80,0xE0F771B7,0xE2B1CFEE,0xE373A5D9,0xE63CB35C,0xE7FED96B,0xE5B86732,0xE47A0D05,
0xEF264A38,0xEEE4200F,0xECA29E56,0xED60F461,0xE82FE2E4,0xE9ED88D3,0xEBAB368A,0xEA695CBD,
0xFD13B8F0,0xFCD1D2C7,0xFE976C9E,0xFF5506A9,0xFA1A102C,0xFBD87A1B,0xF99EC442,0xF85CAE75,
0xF300E948,0xF2C2837F,0xF0843D26,0xF1465711,0xF4094194,0xF5CB2BA3,0xF78D95FA,0xF64FFFCD,
0xD9785D60,0xD8BA3757,0xDAFC890E,0xDB3EE339,0xDE71F5BC,0xDFB39F8B,0xDDF521D2,0xDC374BE5,
0xD76B0CD8,0xD6A966EF,0xD4EFD8B6,0xD52DB281,0xD062A404,0xD1A0CE33,0xD3E6706A,0xD2241A5D,
0xC55EFE10,0xC49C9427,0xC6DA2A7E,0xC7184049,0xC25756CC,0xC3953CFB,0xC1D382A2,0xC011E895,
0xCB4DAFA8,0xCA8FC59F,0xC8C97BC6,0xC90B11F1,0xCC440774,0xCD866D43,0xCFC0D31A,0xCE02B92D,
0x91AF9640,0x906DFC77,0x922B422E,0x93E92819,0x96A63E9C,0x976454AB,0x9522EAF2,0x94E080C5,
0x9FBCC7F8,0x9E7EADCF,0x9C381396,0x9DFA79A1,0x98B56F24,0x99770513,0x9B31BB4A,0x9AF3D17D,
0x8D893530,0x8C4B5F07,0x8E0DE15E,0x8FCF8B69,0x8A809DEC,0x8B42F7DB,0x89044982,0x88C623B5,
0x839A6488,0x82580EBF,0x801EB0E6,0x81DCDAD1,0x8493CC54,0x8551A663,0x8717183A,0x86D5720D,
0xA9E2D0A0,0xA820BA97,0xAA6604CE,0xABA46EF9,0xAEEB787C,0xAF29124B,0xAD6FAC12,0xACADC625,
0xA7F18118,0xA633EB2F,0xA4755576,0xA5B73F41,0xA0F829C4,0xA13A43F3,0xA37CFDAA,0xA2BE979D,
0xB5C473D0,0xB40619E7,0xB640A7BE,0xB782CD89,0xB2CDDB0C,0xB30FB13B,0xB1490F62,0xB08B6555,
0xBBD72268,0xBA15485F,0xB853F606,0xB9919C31,0xBCDE8AB4,0xBD1CE083,0xBF5A5EDA,0xBE9834ED
],
[0x00000000,0xB8BC6765,0xAA09C88B,0x12B5AFEE,0x8F629757,0x37DEF032,0x256B5FDC,0x9DD738B9,
0xC5B428EF,0x7D084F8A,0x6FBDE064,0xD7018701,0x4AD6BFB8,0xF26AD8DD,0xE0DF7733,0x58631056,
0x5019579F,0xE8A530FA,0xFA109F14,0x42ACF871,0xDF7BC0C8,0x67C7A7AD,0x75720843,0xCDCE6F26,
0x95AD7F70,0x2D111815,0x3FA4B7FB,0x8718D09E,0x1ACFE827,0xA2738F42,0xB0C620AC,0x087A47C9,
0xA032AF3E,0x188EC85B,0x0A3B67B5,0xB28700D0,0x2F503869,0x97EC5F0C,0x8559F0E2,0x3DE59787,
0x658687D1,0xDD3AE0B4,0xCF8F4F5A,0x7733283F,0xEAE41086,0x525877E3,0x40EDD80D,0xF851BF68,
0xF02BF8A1,0x48979FC4,0x5A22302A,0xE29E574F,0x7F496FF6,0xC7F50893,0xD540A77D,0x6DFCC018,
0x359FD04E,0x8D23B72B,0x9F9618C5,0x272A7FA0,0xBAFD4719,0x0241207C,0x10F48F92,0xA848E8F7,
0x9B14583D,0x23A83F58,0x311D90B6,0x89A1F7D3,0x1476CF6A,0xACCAA80F,0xBE7F07E1,0x06C36084,
0x5EA070D2,0xE61C17B7,0xF4A9B859,0x4C15DF3C,0xD1C2E785,0x697E80E0,0x7BCB2F0E,0xC377486B,
0xCB0D0FA2,0x73B168C7,0x6104C729,0xD9B8A04C,0x446F98F5,0xFCD3FF90,0xEE66507E,0x56DA371B,
0x0EB9274D,0xB6054028,0xA4B0EFC6,0x1C0C88A3,0x81DBB01A,0x3967D77F,0x2BD27891,0x936E1FF4,
0x3B26F703,0x839A9066,0x912F3F88,0x299358ED,0xB4446054,0x0CF80731,0x1E4DA8DF,0xA6F1CFBA,
0xFE92DFEC,0x462EB889,0x549B1767,0xEC277002,0x71F048BB,0xC94C2FDE,0xDBF98030,0x6345E755,
0x6B3FA09C,0xD383C7F9,0xC1366817,0x798A0F72,0xE45D37CB,0x5CE150AE,0x4E54FF40,0xF6E89825,
0xAE8B8873,0x1637EF16,0x048240F8,0xBC3E279D,0x21E91F24,0x99557841,0x8BE0D7AF,0x335CB0CA,
0xED59B63B,0x55E5D15E,0x47507EB0,0xFFEC19D5,0x623B216C,0xDA874609,0xC832E9E7,0x708E8E82,
0x28ED9ED4,0x9051F9B1,0x82E4565F,0x3A58313A,0xA78F0983,0x1F336EE6,0x0D86C108,0xB53AA66D,
0xBD40E1A4,0x05FC86C1,0x1749292F,0xAFF54E4A,0x322276F3,0x8A9E1196,0x982BBE78,0x2097D91D,
0x78F4C94B,0xC048AE2E,0xD2FD01C0,0x6A4166A5,0xF7965E1C,0x4F2A3979,0x5D9F9697,0xE523F1F2,
0x4D6B1905,0xF5D77E60,0xE762D18E,0x5FDEB6EB,0xC2098E52,0x7AB5E937,0x680046D9,0xD0BC21BC,
0x88DF31EA,0x3063568F,0x22D6F961,0x9A6A9E04,0x07BDA6BD,0xBF01C1D8,0xADB46E36,0x15080953,
0x1D724E9A,0xA5CE29FF,0xB77B8611,0x0FC7E174,0x9210D9CD,0x2AACBEA8,0x38191146,0x80A57623,
0xD8C66675,0x607A0110,0x72CFAEFE,0xCA73C99B,0x57A4F122,0xEF189647,0xFDAD39A9,0x45115ECC,
0x764DEE06,0xCEF18963,0xDC44268D,0x64F841E8,0xF92F7951,0x41931E34,0x5326B1DA,0xEB9AD6BF,
0xB3F9C6E9,0x0B45A18C,0x19F00E62,0xA14C6907,0x3C9B51BE,0x842736DB,0x96929935,0x2E2EFE50,
0x2654B999,0x9EE8DEFC,0x8C5D7112,0x34E11677,0xA9362ECE,0x118A49AB,0x033FE645,0xBB838120,
0xE3E09176,0x5B5CF613,0x49E959FD,0xF1553E98,0x6C820621,0xD43E6144,0xC68BCEAA,0x7E37A9CF,
0xD67F4138,0x6EC3265D,0x7C7689B3,0xC4CAEED6,0x591DD66F,0xE1A1B10A,0xF3141EE4,0x4BA87981,
0x13CB69D7,0xAB770EB2,0xB9C2A15C,0x017EC639,0x9CA9FE80,0x241599E5,0x36A0360B,0x8E1C516E,
0x866616A7,0x3EDA71C2,0x2C6FDE2C,0x94D3B949,0x090481F0,0xB1B8E695,0xA30D497B,0x1BB12E1E,
0x43D23E48,0xFB6E592D,0xE9DBF6C3,0x516791A6,0xCCB0A91F,0x740CCE7A,0x66B96194,0xDE0506F1]]
function getromcrc_lookup(filepath){
local f_in = file(filepath, "rb" )
local blb = null
if (IS_ZIP(filepath)){
local zipcontent = zip_get_dir(filepath)
//NOTE: If the zip has more than one file, check the crc of the zip itselfs
if (zipcontent.len() == 1) blb = zip_extract_file(filepath, zipcontent[0] )
else blb = f_in.readblob(20*1000*1000) //loads up to 20 megs
}
else {
blb = f_in.readblob(20*1000*1000) //loads up to 20 megs
}
local i = 0
local crc = 0xFFFFFFFF
while (i<blb.len()) {
crc = (crc >> 8) ^ Crc32Lookup[(crc & 0xFF) ^ blb[i++]]
}
crc = ~crc
return ([format("%X",crc).slice(-8),format("%x",crc).slice(-8)])
}
function get_zip_data(path){
local f_in = file(path, "rb" )
local blb = f_in.readblob(100)
local startpos_crc = 14
local uncompressed_crc = (blb[startpos_crc+3] << 24) + (blb[startpos_crc+2] << 16) + (blb[startpos_crc+1] << 8) + blb[startpos_crc]
local startpos_size = 22
local uncompressed_size = (blb[startpos_size+3] << 24) + (blb[startpos_size+2] << 16) + (blb[startpos_size+1] << 8) + blb[startpos_size]
//print ("zipdata: "+("0"+format("%X",uncompressed_crc)).slice(-8)+" "+uncompressed_size+"\n")
return ({crc = uncompressed_crc, size = uncompressed_size})
}
function getromcrc_lookup4(filepath){
local f_in = file(filepath, "rb" )
local blb = null
if (IS_ZIP(filepath)){
local zipcontent = zip_get_dir(filepath)
//NOTE: If the zip has more than one file, check the crc of the zip itselfs
if (zipcontent.len() == 1) {
//TEST162 add here code for zip crc extraction
local archext = split(filepath,".").top()
if (archext == "zip"){
local zerobit = "00000000"
local out = get_zip_data(filepath)
return ([(zerobit + format("%X",out.crc)).slice(-8),(zerobit + format("%x",out.crc)).slice(-8),out.size])
}
blb = zip_extract_file(filepath, zipcontent[0] )
}
else {
try {
blb = f_in.readblob(50*1000*1000) //loads up to 50 megs
}
catch(err){
print ("*****CRC ERROR****\n")
return ([null,null,null])
}
}
}
else {
try {
blb = f_in.readblob(50*1000*1000) //loads up to 50 megs
}
catch(err){
print ("*****CRC ERROR****\n")
return ([null,null,null])
}
}
local i = 0
local crc = 0xFFFFFFFF
local one = 0
local byte = 0
while (i<blb.len()-4) {
one = blb.readn('i') ^ crc
crc = Crc32Lookup4[0][(one >> 24) & 0xFF] ^
Crc32Lookup4[1][(one >> 16) & 0xFF] ^
Crc32Lookup4[2][(one >> 8) & 0xFF] ^
Crc32Lookup4[3][one & 0xFF]
i = i + 4
}
while (i<blb.len()) {
byte = blb.readn('b')
crc = (crc >> 8) ^ Crc32Lookup4[0][(crc & 0xFF) ^ byte]
i = i + 1
}
crc = ~crc
return ([format("%X",crc).slice(-8),format("%x",crc).slice(-8),blb.len()])
}
function getromcrc_old(filepath){
local f_in = file(filepath, "rb" )
local crc = null
local blb = null
if (IS_ZIP(filepath)){
local zipcontent = zip_get_dir(filepath)
//NOTE: If the zip has more than one file, check the crc of the zip itselfs
if (zipcontent.len() == 1) blb = zip_extract_file(filepath, zipcontent[0] )
else blb = f_in.readblob(20*1000*1000) //loads up to 20 megs
}
else {
blb = f_in.readblob(20*1000*1000) //loads up to 20 megs
}
local i = 0
local crc = 0xFFFFFFFF
while (i<blb.len()) {
local byte = blb[i]
crc = crc ^ byte
for (local j = 7; j >= 0; j--) {
local mask = -(crc & 1)
crc = (crc >> 1) ^ (0xEDB88320 & mask)
}
i = i + 1
}
crc = ~crc
local output = [format("%X",crc).slice(-8),format("%x",crc).slice(-8)]
return output
}