73 lines
2.0 KiB
V
73 lines
2.0 KiB
V
/**********************************************************************
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*
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* Zip container manager
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*
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* Copyright (c) 2021 Dario Deledda. All rights reserved.
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* Use of this source code is governed by an MIT license
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* that can be found in the LICENSE file.
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*
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* TODO:
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**********************************************************************/
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import sokol.gfx
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import szip
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fn (mut il Item_list) scan_zip(path string, in_index int) ? {
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println('Scanning ZIP [$path]')
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mut zp := szip.open(path, szip.CompressionLevel.no_compression, szip.OpenMode.read_only)?
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n_entries := zp.total()?
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// println(n_entries)
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for index in 0 .. n_entries {
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zp.open_entry_by_index(index)?
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is_dir := zp.is_dir()?
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name := zp.name()
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size := zp.size()
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// println("$index ${name} ${size:10} $is_dir")
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if !is_dir {
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ext := get_extension(name)
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if is_image(ext) == true {
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il.n_item += 1
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mut item := Item{
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need_extract: true
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path: path
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name: name.clone()
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container_index: in_index
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container_item_index: index
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i_type: ext
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n_item: il.n_item
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drawable: true
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size: size
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}
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il.lst << item
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}
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}
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// IMPORTANT NOTE: don't close the zip entry before we have used all the items!!
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zp.close_entry()
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}
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zp.close()
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}
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fn (mut app App) load_texture_from_zip() ?(gfx.Image, int, int) {
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item := app.item_list.lst[app.item_list.item_index]
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// println("Load from zip [${item.path}]")
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// open the zip
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if app.zip_index != item.container_index {
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if app.zip_index >= 0 {
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app.zip.close()
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}
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app.zip_index = item.container_index
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// println("Opening the zip [${item.path}]")
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app.zip = szip.open(item.path, szip.CompressionLevel.no_compression, szip.OpenMode.read_only)?
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}
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// println("Now get the image")
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app.zip.open_entry_by_index(item.container_item_index)?
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zip_entry_size := int(item.size)
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app.resize_buf_if_needed(zip_entry_size)
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app.zip.read_entry_buf(app.mem_buf, app.mem_buf_size)?
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app.zip.close_entry()
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return app.load_texture_from_buffer(app.mem_buf, zip_entry_size)
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}
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