Files
HMCL/HMCL/src/main/java/org/jackhuang/hmcl/EntryPoint.java
2026-01-23 22:43:58 +08:00

270 lines
11 KiB
Java

/*
* Hello Minecraft! Launcher
* Copyright (C) 2020 huangyuhui <huanghongxun2008@126.com> and contributors
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
package org.jackhuang.hmcl;
import org.jackhuang.hmcl.util.FileSaver;
import org.jackhuang.hmcl.util.SelfDependencyPatcher;
import org.jackhuang.hmcl.util.SwingUtils;
import org.jackhuang.hmcl.java.JavaRuntime;
import org.jackhuang.hmcl.util.io.FileUtils;
import org.jackhuang.hmcl.util.io.JarUtils;
import org.jackhuang.hmcl.util.platform.OperatingSystem;
import java.io.IOException;
import java.lang.invoke.MethodHandle;
import java.lang.invoke.MethodHandles;
import java.lang.invoke.MethodType;
import java.nio.file.Files;
import java.nio.file.Path;
import java.util.concurrent.CancellationException;
import static org.jackhuang.hmcl.util.logging.Logger.LOG;
import static org.jackhuang.hmcl.util.i18n.I18n.i18n;
public final class EntryPoint {
private EntryPoint() {
}
public static void main(String[] args) {
System.getProperties().putIfAbsent("java.net.useSystemProxies", "true");
System.getProperties().putIfAbsent("javafx.autoproxy.disable", "true");
System.getProperties().putIfAbsent("http.agent", "HMCL/" + Metadata.VERSION);
createHMCLDirectories();
LOG.start(Metadata.HMCL_CURRENT_DIRECTORY.resolve("logs"));
setupJavaFXVMOptions();
if (OperatingSystem.CURRENT_OS == OperatingSystem.MACOS) {
System.getProperties().putIfAbsent("apple.awt.application.appearance", "system");
if (!isInsideMacAppBundle())
initIcon();
}
checkJavaFX();
verifyJavaFX();
addEnableNativeAccess();
enableUnsafeMemoryAccess();
Launcher.main(args);
}
public static void exit(int exitCode) {
FileSaver.shutdown();
LOG.shutdown();
System.exit(exitCode);
}
private static void setupJavaFXVMOptions() {
if ("true".equalsIgnoreCase(System.getenv("HMCL_FORCE_GPU"))) {
LOG.info("HMCL_FORCE_GPU: true");
System.getProperties().putIfAbsent("prism.forceGPU", "true");
}
String animationFrameRate = System.getenv("HMCL_ANIMATION_FRAME_RATE");
if (animationFrameRate != null) {
LOG.info("HMCL_ANIMATION_FRAME_RATE: " + animationFrameRate);
try {
if (Integer.parseInt(animationFrameRate) <= 0)
throw new NumberFormatException(animationFrameRate);
System.getProperties().putIfAbsent("javafx.animation.pulse", animationFrameRate);
} catch (NumberFormatException e) {
LOG.warning("Invalid animation frame rate: " + animationFrameRate);
}
}
String uiScale = System.getProperty("hmcl.uiScale", System.getenv("HMCL_UI_SCALE"));
if (uiScale != null) {
uiScale = uiScale.trim();
LOG.info("HMCL_UI_SCALE: " + uiScale);
try {
float scaleValue;
if (uiScale.endsWith("%")) {
scaleValue = Integer.parseInt(uiScale.substring(0, uiScale.length() - 1)) / 100.0f;
} else if (uiScale.endsWith("dpi") || uiScale.endsWith("DPI")) {
scaleValue = Integer.parseInt(uiScale.substring(0, uiScale.length() - 3)) / 96.0f;
} else {
scaleValue = Float.parseFloat(uiScale);
}
float lowerBound;
float upperBound;
if (OperatingSystem.CURRENT_OS == OperatingSystem.WINDOWS) {
// JavaFX behavior may be abnormal when the DPI scaling factor is too high
lowerBound = 0.25f;
upperBound = 4f;
} else {
lowerBound = 0.01f;
upperBound = 10f;
}
if (scaleValue >= lowerBound && scaleValue <= upperBound) {
if (OperatingSystem.CURRENT_OS == OperatingSystem.WINDOWS) {
System.getProperties().putIfAbsent("glass.win.uiScale", uiScale);
} else if (OperatingSystem.CURRENT_OS == OperatingSystem.MACOS) {
LOG.warning("macOS does not support setting UI scale, so it will be ignored");
} else {
System.getProperties().putIfAbsent("glass.gtk.uiScale", uiScale);
}
} else {
LOG.warning("UI scale out of range: " + uiScale);
}
} catch (Throwable e) {
LOG.warning("Invalid UI scale: " + uiScale);
}
}
}
private static void createHMCLDirectories() {
if (!Files.isDirectory(Metadata.HMCL_CURRENT_DIRECTORY)) {
try {
Files.createDirectories(Metadata.HMCL_CURRENT_DIRECTORY);
if (OperatingSystem.CURRENT_OS == OperatingSystem.WINDOWS) {
try {
Files.setAttribute(Metadata.HMCL_CURRENT_DIRECTORY, "dos:hidden", true);
} catch (IOException e) {
LOG.warning("Failed to set hidden attribute of " + Metadata.HMCL_CURRENT_DIRECTORY, e);
}
}
} catch (IOException e) {
// Logger has not been started yet, so print directly to System.err
System.err.println("Failed to create HMCL directory: " + Metadata.HMCL_CURRENT_DIRECTORY);
e.printStackTrace(System.err);
showErrorAndExit(i18n("fatal.create_hmcl_current_directory_failure", Metadata.HMCL_CURRENT_DIRECTORY));
}
}
if (!Files.isDirectory(Metadata.HMCL_GLOBAL_DIRECTORY)) {
try {
Files.createDirectories(Metadata.HMCL_GLOBAL_DIRECTORY);
} catch (IOException e) {
LOG.warning("Failed to create HMCL global directory " + Metadata.HMCL_GLOBAL_DIRECTORY, e);
}
}
}
private static boolean isInsideMacAppBundle() {
Path thisJar = JarUtils.thisJarPath();
if (thisJar == null)
return false;
for (Path current = thisJar.getParent();
current != null && current.getParent() != null;
current = current.getParent()
) {
if ("Contents".equals(FileUtils.getName(current))
&& FileUtils.getName(current.getParent()).endsWith(".app")
&& Files.exists(current.resolve("Info.plist"))
) {
return true;
}
}
return false;
}
private static void initIcon() {
try {
if (java.awt.Taskbar.isTaskbarSupported()) {
var image = java.awt.Toolkit.getDefaultToolkit().getImage(EntryPoint.class.getResource("/assets/img/icon-mac.png"));
java.awt.Taskbar.getTaskbar().setIconImage(image);
}
} catch (Throwable e) {
LOG.warning("Failed to set application icon", e);
}
}
private static void checkJavaFX() {
try {
SelfDependencyPatcher.patch();
} catch (SelfDependencyPatcher.PatchException e) {
LOG.error("Unable to patch JVM", e);
showErrorAndExit(i18n("fatal.javafx.missing"));
} catch (SelfDependencyPatcher.IncompatibleVersionException e) {
LOG.error("Unable to patch JVM", e);
showErrorAndExit(i18n("fatal.javafx.incompatible"));
} catch (CancellationException e) {
LOG.error("User cancels downloading JavaFX", e);
exit(0);
}
}
/**
* Check if JavaFX exists but is incomplete
*/
private static void verifyJavaFX() {
try {
Class.forName("javafx.beans.binding.Binding"); // javafx.base
Class.forName("javafx.stage.Stage"); // javafx.graphics
Class.forName("javafx.scene.control.Skin"); // javafx.controls
} catch (Exception e) {
LOG.warning("JavaFX is incomplete or not found", e);
showErrorAndExit(i18n("fatal.javafx.incomplete"));
}
}
private static void addEnableNativeAccess() {
if (JavaRuntime.CURRENT_VERSION > 21) {
try {
// javafx.graphics
Module module = Class.forName("javafx.stage.Stage").getModule();
if (module.isNamed()) {
try {
MethodHandles.Lookup lookup = MethodHandles.privateLookupIn(Module.class, MethodHandles.lookup());
MethodHandle implAddEnableNativeAccess = lookup.findVirtual(Module.class,
"implAddEnableNativeAccess", MethodType.methodType(Module.class));
Module ignored = (Module) implAddEnableNativeAccess.invokeExact(module);
} catch (Throwable e) {
e.printStackTrace(System.err);
}
}
} catch (ClassNotFoundException e) {
LOG.error("Failed to add enable native access for JavaFX", e);
showErrorAndExit(i18n("fatal.javafx.incomplete"));
}
}
}
private static void enableUnsafeMemoryAccess() {
// https://openjdk.org/jeps/498
if (JavaRuntime.CURRENT_VERSION == 24 || JavaRuntime.CURRENT_VERSION == 25) {
try {
Class<?> clazz = Class.forName("sun.misc.Unsafe");
boolean ignored = (boolean) MethodHandles.privateLookupIn(clazz, MethodHandles.lookup())
.findStatic(clazz, "trySetMemoryAccessWarned", MethodType.methodType(boolean.class))
.invokeExact();
} catch (Throwable e) {
LOG.warning("Failed to enable unsafe memory access", e);
}
}
}
/**
* Indicates that a fatal error has occurred, and that the application cannot start.
*/
private static void showErrorAndExit(String message) {
SwingUtils.showErrorDialog(message);
exit(1);
}
}