Files
FlaxEngine/Source/Tools/Flax.Build/Platforms/Android/AndroidNdk.cs

111 lines
3.5 KiB
C#

// Copyright (c) 2012-2024 Wojciech Figat. All rights reserved.
using System;
using System.IO;
using System.Linq;
namespace Flax.Build.Platforms
{
/// <summary>
/// The Android NDK.
/// </summary>
/// <seealso cref="Sdk" />
public sealed class AndroidNdk : Sdk
{
/// <summary>
/// The singleton instance.
/// </summary>
public static readonly AndroidNdk Instance = new AndroidNdk();
/// <inheritdoc />
public override TargetPlatform[] Platforms => new[]
{
TargetPlatform.Windows,
TargetPlatform.Linux,
};
/// <summary>
/// Initializes a new instance of the <see cref="AndroidNdk"/> class.
/// </summary>
public AndroidNdk()
{
if (!Platforms.Contains(Platform.BuildTargetPlatform))
return;
// Find Android NDK folder path
var sdkPath = Environment.GetEnvironmentVariable("ANDROID_NDK");
FindNDKVersion(sdkPath);
if (!IsValid)
{
if (!string.IsNullOrEmpty(sdkPath))
{
Log.Warning(string.Format("Specified Android NDK folder in ANDROID_NDK env variable doesn't contain valid NDK ({0})", sdkPath));
}
// Look for ndk installed side-by-side with a sdk
if (AndroidSdk.Instance.IsValid)
{
sdkPath = Path.Combine(AndroidSdk.Instance.RootPath, "ndk");
FindNDKVersion(sdkPath);
}
}
}
private void FindNDKVersion(string folder)
{
// Skip if folder is invalid or missing
if (string.IsNullOrEmpty(folder) || !Directory.Exists(folder))
return;
// Check that explicit folder
FindNDK(folder);
if (IsValid)
return;
// Check folders with versions
var subDirs = Directory.GetDirectories(folder);
if (subDirs.Length != 0)
{
Utilities.SortVersionDirectories(subDirs);
FindNDK(subDirs.Last());
}
if (!IsValid)
{
Log.Warning(string.Format("Failed to detect Android NDK version ({0})", folder));
}
}
private void FindNDK(string sdkPath)
{
if (!string.IsNullOrEmpty(sdkPath) && Directory.Exists(sdkPath))
{
var sourceProperties = Path.Combine(sdkPath, "source.properties");
if (File.Exists(sourceProperties))
{
var lines = File.ReadAllLines(sourceProperties);
if (lines.Length > 1)
{
var ver = lines[1].Substring(lines[1].IndexOf(" = ", StringComparison.Ordinal) + 2);
if (Version.TryParse(ver, out var v))
{
Version = v;
IsValid = true;
}
}
}
else if (Version.TryParse(Path.GetFileName(sdkPath), out var v))
{
Version = v;
IsValid = true;
}
}
if (IsValid)
{
RootPath = sdkPath;
Log.Info(string.Format("Found Android NDK {1} at {0}", RootPath, Version));
}
}
}
}