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// SPDX-FileCopyrightText: 2023 yuzu Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
package org.yuzu.yuzu_emu.utils
import android.net.Uri
import androidx.preference.PreferenceManager
import org.yuzu.yuzu_emu.NativeLibrary
import org.yuzu.yuzu_emu.YuzuApplication
import org.yuzu.yuzu_emu.model.Game
import java.util.*
import kotlin.collections.ArrayList
object GameHelper {
const val KEY_GAME_PATH = "game_path"
fun getGames(): ArrayList<Game> {
val games = ArrayList<Game>()
val context = YuzuApplication.appContext
val gamesDir =
PreferenceManager.getDefaultSharedPreferences(context).getString(KEY_GAME_PATH, "")
val gamesUri = Uri.parse(gamesDir)
// Ensure keys are loaded so that ROM metadata can be decrypted.
NativeLibrary.ReloadKeys()
val children = FileUtil.listFiles(context, gamesUri)
for (file in children) {
if (!file.isDirectory) {
val filename = file.uri.toString()
val extensionStart = filename.lastIndexOf('.')
if (extensionStart > 0) {
val fileExtension = filename.substring(extensionStart)
// Check that the file has an extension we care about before trying to read out of it.
if (Game.extensions.contains(fileExtension.lowercase(Locale.getDefault()))) {
games.add(getGame(filename))
}
}
}
}
return games
}
private fun getGame(filePath: String): Game {
var name = NativeLibrary.GetTitle(filePath)
// If the game's title field is empty, use the filename.
if (name.isEmpty()) {
name = filePath.substring(filePath.lastIndexOf("/") + 1)
}
var gameId = NativeLibrary.GetGameId(filePath)
// If the game's ID field is empty, use the filename without extension.
if (gameId.isEmpty()) {
gameId = filePath.substring(
filePath.lastIndexOf("/") + 1,
filePath.lastIndexOf(".")
)
}
return Game(
name,
NativeLibrary.GetDescription(filePath).replace("\n", " "),
NativeLibrary.GetRegions(filePath),
filePath,
gameId,
NativeLibrary.GetCompany(filePath)
)
}
}
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