Update HMCL/src/main/java/org/jackhuang/hmcl/game/LauncherHelper.java

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

Author: CiiLu

HMCL/src/main/java/org/jackhuang/hmcl/game/LauncherHelper.java

@@ -211,20 +211,29 @@ private void launch0() {
                         launchOptionsBuilder.setQuickPlayOption(quickPlayOption);
                     }
                     if (config().isWindowsHighPerformance()) {
-                        Object current = WinReg.INSTANCE.queryValue(
-                                WinReg.HKEY.HKEY_CURRENT_USER,
-                                "Software\\Microsoft\\DirectX\\UserGpuPreferences",
-                                FileUtils.getAbsolutePath(javaVersionRef.get().getBinary())
-                        );
-                        if (current instanceof String) {
-                            gpuRegAlreadyExistsed = true;
+                        if (!SYSTEM_PLATFORM.isWindows()) {
+                            LOG.warning("Windows high performance GPU setting is enabled, but current platform is not Windows; skipping registry configuration.");
                         } else {
-                            WinReg.INSTANCE.setValue(
-                                    WinReg.HKEY.HKEY_CURRENT_USER,
-                                    "Software\\Microsoft\\DirectX\\UserGpuPreferences",
-                                    FileUtils.getAbsolutePath(javaVersionRef.get().getBinary()),
-                                    "GpuPreference=2;"
-                            );
+                            WinReg reg = WinReg.INSTANCE;
+                            if (reg == null) {
+                                LOG.warning("Windows registry access (WinReg) is unavailable; cannot apply high performance GPU preference.");
+                            } else {
+                                Object current = reg.queryValue(
+                                        WinReg.HKEY.HKEY_CURRENT_USER,
+                                        "Software\\Microsoft\\DirectX\\UserGpuPreferences",
+                                        FileUtils.getAbsolutePath(javaVersionRef.get().getBinary())
+                                );
+                                if (current instanceof String) {
+                                    gpuRegAlreadyExistsed = true;
+                                } else {
+                                    reg.setValue(
+                                            WinReg.HKEY.HKEY_CURRENT_USER,
+                                            "Software\\Microsoft\\DirectX\\UserGpuPreferences",
+                                            FileUtils.getAbsolutePath(javaVersionRef.get().getBinary()),
+                                            "GpuPreference=2;"
+                                    );
+                                }
+                            }
                         }
                     }