PNG 파일을 ATF 로 일괄 변환시키는 스트립트(Ver. 1.0.0)

Adobe Air 로 게임을 만들면 이미지 리소스를 png 파일을 써도 되지만 메모리의 사용량이나 처리속도면에서 ATF 파일로 변환해서 쓰는게 훨씬 이득이다. 다만 ATF 파일로 변환하면 전용뷰어 외에는 확인이 안되서 디버깅시는 PNG 파일을 릴리즈시에는 플랫폼별(PC/ANDROID/IOS)들로 각각의 파일들을 만들어서 처리되게 한다.

## atf 관련 실행파일 및 뷰어는 AIR SDK 에 atftool 디렉토리에 존재함.

import os
import hashlib
import subprocess

CONST_WIN = 0
CONST_IOS = 1
CONST_AND = 2

png2atf = "D:\\SDK\\AIR_SDK\\AIRSDK_21\\atftools\\png2atf.exe"
assetDir = "D:\\work\\workspace_flex\\holdem\\assets_d\\mobile_ko\\assets"
hashFile = assetDir + "\\.AssetsHash"


def md5(fname):
    hash_md5 = hashlib.md5()
    with open(fname, "rb") as f:
        for chunk in iter(lambda: f.read(4096), b""):
            hash_md5.update(chunk)
    return hash_md5.hexdigest()


def conver_asset(create, gtype, fname):
    xname = assetDir + "\\" + fname + ".xml"
    sname = assetDir + "\\" + fname + ".png"
    if gtype == CONST_IOS:
        name_xml = fname + "_ios.xml"
        name_xml_full = assetDir + "\\" + name_xml
        name_atf = fname + "_ios.atf"
        name_atf_full = assetDir + '\\' + name_atf
    elif gtype == CONST_AND:
        name_xml = fname + "_and.xml"
        name_xml_full = assetDir + "\\" + name_xml
        name_atf = fname + "_and.atf"
        name_atf_full = assetDir + '\\' + name_atf
    else:
        name_xml = fname + "_win.xml"
        name_xml_full = assetDir + "\\" + name_xml
        name_atf = fname + "_win.atf"
        name_atf_full = assetDir + '\\' + name_atf

    if not create and os.path.exists(name_xml_full) and os.path.exists(name_atf_full):
        return

    if os.path.exists(name_xml_full):
        os.remove(name_xml_full)

    with open(xname, "r") as fp:
        xml = fp.read(os.path.getsize(xname))

    xml = xml.replace(fname + ".png", name_atf, 1)
    with open(name_xml_full, "w") as fp:
        fp.write(xml)

    if os.path.exists(name_atf_full):
        os.remove(name_atf_full)

    if gtype == CONST_IOS:
        print fname + " >> " + name_atf
        subprocess.call(png2atf + " -c p -q -n 0,0 -i " + sname + " -o " + name_atf_full)
    elif gtype == CONST_AND:
        print fname + " >> " + name_atf
        subprocess.call(png2atf + " -c e -q -n 0,0 -i " + sname + " -o " + name_atf_full)
    else:
        print fname + " >> " + name_atf
        subprocess.call(png2atf + " -c d -q -n 0,0 -i " + sname + " -o " + name_atf_full)


def main():
    hash_pool = {}
    hash_pool_save = {}

    if os.path.exists(hashFile):
        with open(hashFile, 'r') as fp:
            while True:
                line = fp.readline()
                if not line:
                    break
                key, value = line.rstrip('\n').split('|')
                hash_pool[key] = value

    for root, dirs, files in os.walk(assetDir):
        for f in files:
            filename, ext = os.path.splitext(f)
            if ext == '.png':
                md5hash = md5(assetDir + '\\' + f)
                create = False
                if (f in hash_pool) == False or hash_pool[f] != md5hash:
                    create = True

                conver_asset(create, CONST_IOS, filename)
                conver_asset(create, CONST_AND, filename)
                conver_asset(create, CONST_WIN, filename)

                hash_pool_save[f] = md5hash

    with open(hashFile, 'w') as fp:
        for key in hash_pool_save:
            line = key + "|" + hash_pool_save[key]
            fp.write(line + '\n')


if __name__ == "__main__":
    main()