| 1 | /********************************************************************** |
| 2 | * |
| 3 | * Zip container manager |
| 4 | * |
| 5 | * Copyright (c) 2021 Dario Deledda. All rights reserved. |
| 6 | * Use of this source code is governed by an MIT license |
| 7 | * that can be found in the LICENSE file. |
| 8 | * |
| 9 | * TODO: |
| 10 | **********************************************************************/ |
| 11 | import sokol.gfx |
| 12 | import szip |
| 13 | |
| 14 | fn (mut il Item_list) scan_zip(path string, in_index int) ! { |
| 15 | println('Scanning ZIP [${path}]') |
| 16 | mut zp := szip.open(path, szip.CompressionLevel.no_compression, szip.OpenMode.read_only)! |
| 17 | n_entries := zp.total()! |
| 18 | // println(n_entries) |
| 19 | for index in 0 .. n_entries { |
| 20 | zp.open_entry_by_index(index)! |
| 21 | is_dir := zp.is_dir()! |
| 22 | name := zp.name() |
| 23 | size := zp.size() |
| 24 | // println("$index ${name} ${size:10} $is_dir") |
| 25 | |
| 26 | if !is_dir { |
| 27 | ext := get_extension(name) |
| 28 | if is_image(ext) == true { |
| 29 | il.n_item += 1 |
| 30 | mut item := Item{ |
| 31 | need_extract: true |
| 32 | path: path |
| 33 | name: name.clone() |
| 34 | container_index: in_index |
| 35 | container_item_index: index |
| 36 | i_type: ext |
| 37 | n_item: il.n_item |
| 38 | drawable: true |
| 39 | size: size |
| 40 | } |
| 41 | il.lst << item |
| 42 | } |
| 43 | } |
| 44 | // IMPORTANT NOTE: don't close the zip entry before we have used all the items!! |
| 45 | zp.close_entry() |
| 46 | } |
| 47 | zp.close() |
| 48 | } |
| 49 | |
| 50 | fn (mut app App) load_texture_from_zip() !(gfx.Image, int, int) { |
| 51 | item := app.item_list.lst[app.item_list.item_index] |
| 52 | // println("Load from zip [${item.path}]") |
| 53 | |
| 54 | // open the zip |
| 55 | if app.zip_index != item.container_index { |
| 56 | if app.zip_index >= 0 { |
| 57 | app.zip.close() |
| 58 | } |
| 59 | app.zip_index = item.container_index |
| 60 | // println("Opening the zip [${item.path}]") |
| 61 | app.zip = szip.open(item.path, szip.CompressionLevel.no_compression, szip.OpenMode.read_only)! |
| 62 | } |
| 63 | // println("Now get the image") |
| 64 | app.zip.open_entry_by_index(item.container_item_index)! |
| 65 | zip_entry_size := int(item.size) |
| 66 | |
| 67 | app.resize_buf_if_needed(zip_entry_size) |
| 68 | |
| 69 | app.zip.read_entry_buf(app.mem_buf, app.mem_buf_size)! |
| 70 | app.zip.close_entry() |
| 71 | return app.load_texture_from_buffer(app.mem_buf, zip_entry_size) |
| 72 | } |