63 lines
1.6 KiB
Lua
63 lines
1.6 KiB
Lua
--Extracts all files from an NPK archive to a specified output directory.
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--[[
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npkFileName The path to the NPK archive file to be extracted.
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outputPath The path to the output directory where files will be extracted.
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return true if extraction succeeds; false otherwise.
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--]]
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--[[
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local M = require("extrace_npk_file")
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local ret = M.extract_npk_files("D:\\WeGameApps\\地下城与勇士：创新世纪\\ImagePacks2\\sprite_character_archer_effect_air.NPK",
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"D:\\_temp\\output"
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)
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--]]
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local M={}
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function M.extract_npk_files(npkFileName, outputPath)
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local npk = createNPKFile();
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local ret = npk:openPakFile(npkFileName)
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if(not ret) then
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print("Can't open npk file:" .. npkFileName)
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return false
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end
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ret = createEmptyPath(outputPath)
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if(not ret) then
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print("Can't create ouput path: " .. outputPath)
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return false
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end
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local counts = npk:getFileCounts()
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for i=0, counts-1, 1 do
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local baseInfo = npk:getFileNode(i)
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local fileStream = npk:openFileStream(baseInfo:keyName())
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print("keyName=" .. fileStream:name())
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local diskFileName = outputPath .. "/" .. baseInfo:keyName()
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ret = forceCreatePathForFile(diskFileName);
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if(not ret) then
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print("CreatePathForFile failed: " .. diskFileName)
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npk:closeFileStream(fileStream)
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break
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end
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ret = fileStream:writeToDiskFile(diskFileName)
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if(not ret) then
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print("dump file failed: " .. baseInfo:keyName())
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print("LastErrorMsg=" .. getLastErrorMessage())
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npk:closeFileStream(fileStream)
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break
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end
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npk:closeFileStream(fileStream)
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end
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npk:closePakFile()
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destroyNPKFile(npk)
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return true
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end
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return M;
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