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Implement dalamud-platform launch argument (#1452)

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* implement dalamud platform launch arg
* implement cross-platform gamePath fallback
* refactor platform detection heuristic
* add cross platform dalamud runtime detection
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marzent 2025-03-24 16:42:24 +01:00 • committed by GitHub
parent 9815cf1d88
commit 7cac19ce81
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GPG key ID: B5690EEEBB952194
11 changed files with 299 additions and 101 deletions
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50
Dalamud/Utility/Util.cs
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@ -19,6 +19,7 @@ using Dalamud.Game.ClientState.Objects.SubKinds;
using Dalamud.Game.ClientState.Objects.Types;
using Dalamud.Interface.Colors;
using Dalamud.Interface.Utility;
using Dalamud.Logging.Internal;
using Dalamud.Interface.Utility.Raii;
using Dalamud.Support;
using ImGuiNET;
@ -500,55 +501,14 @@ public static class Util
/// Determine if Dalamud is currently running within a Wine context (e.g. either on macOS or Linux). This method
/// will not return information about the host operating system.
/// </summary>
/// <returns>Returns true if Wine is detected, false otherwise.</returns>
public static bool IsWine()
{
if (EnvironmentConfiguration.XlWineOnLinux) return true;
if (Environment.GetEnvironmentVariable("XL_PLATFORM") is not null and not "Windows") return true;
var ntdll = NativeFunctions.GetModuleHandleW("ntdll.dll");
// Test to see if any Wine specific exports exist. If they do, then we are running on Wine.
// The exports "wine_get_version", "wine_get_build_id", and "wine_get_host_version" will tend to be hidden
// by most Linux users (else FFXIV will want a macOS license), so we will additionally check some lesser-known
// exports as well.
return AnyProcExists(
ntdll,
"wine_get_version",
"wine_get_build_id",
"wine_get_host_version",
"wine_server_call",
"wine_unix_to_nt_file_name");
bool AnyProcExists(nint handle, params string[] procs) =>
procs.Any(p => NativeFunctions.GetProcAddress(handle, p) != nint.Zero);
}
/// <returns>Returns true if running on Wine, false otherwise.</returns>
public static bool IsWine() => Service<Dalamud>.Get().StartInfo.Platform != OSPlatform.Windows;
/// <summary>
/// Gets the best guess for the current host's platform based on the <c>XL_PLATFORM</c> environment variable or
/// heuristics.
/// Gets the current host's platform based on the injector launch arguments or heuristics.
/// </summary>
/// <remarks>
/// macOS users running without <c>XL_PLATFORM</c> being set will be reported as Linux users. Due to the way our
/// Wines work, there isn't a great (consistent) way to split the two apart if we're not told.
/// </remarks>
/// <returns>Returns the <see cref="OSPlatform"/> that Dalamud is currently running on.</returns>
public static OSPlatform GetHostPlatform()
{
switch (Environment.GetEnvironmentVariable("XL_PLATFORM"))
{
case "Windows": return OSPlatform.Windows;
case "MacOS": return OSPlatform.OSX;
case "Linux": return OSPlatform.Linux;
}
// n.b. we had some fancy code here to check if the Wine host version returned "Darwin" but apparently
// *all* our Wines report Darwin if exports aren't hidden. As such, it is effectively impossible (without some
// (very cursed and inaccurate heuristics) to determine if we're on macOS or Linux unless we're explicitly told
// by our launcher. See commit a7aacb15e4603a367e2f980578271a9a639d8852 for the old check.
return IsWine() ? OSPlatform.Linux : OSPlatform.Windows;
}
public static OSPlatform GetHostPlatform() => Service<Dalamud>.Get().StartInfo.Platform;
/// <summary>
/// Heuristically determine if the Windows version is higher than Windows 11's first build.